Steam spray guns and steam equipment

Abstract

The present application provides a steam spray gun and steam equipment. The steam spray gun includes a shell, a trigger rotatably connected to the shell, and a steam generation switch and a steam discharge switch installed in the shell. The steam generation switch and the steam discharge switch are driven to turn off or on by the trigger. When the trigger is pressed and driven, it passes through the first stroke position and the second stroke position in sequence from the initial position. When the trigger is in the initial position, the steam generation switch and the steam discharge switch are both in the off state. When the trigger is in the first stroke position, the steam generation switch is in the on state and the steam discharge switch is in the off state. When the trigger is in the second stroke position, the steam generation switch and the steam discharge switch are both in the on state. The steam spray gun and steam equipment provided by the present application can realize pressure holding control through simple operation, which can improve the impact force and steam quality when steam is sprayed.

Description

Technical Field

[0001] The present application relates to the technical field of cleaning equipment, and in particular to a steam spray gun and steam equipment. Background Art

[0002] Steam, due to its high temperature, purity, and impact, can remove oil, adhesive, and other stains more quickly without emitting polluting chemicals. Steam has a wide range of applications in the cleaning industry. Numerous steam-based cleaning products are currently available, including steam car washers, steam mops, steam sterilizers, steam irons, garment steamers, and steam dishwashers.

[0003] Steam cleaning equipment generally includes a steam generating device and a steam exhaust device, and the steam exhaust device is often a steam spray gun. When working, the steam generating device receives a steam generation signal to start generating steam, and the steam is then ejected by the steam spray gun.

[0004] In order to achieve a more efficient cleaning effect, the steam ejected from the steam gun needs to have a greater impact force so as to remove dust, stains, etc. However, the steam ejected from the steam gun at the beginning of steam generation often does not have a strong impact force and cannot achieve the purpose of cleaning. Summary of the Invention

[0005] In view of this, the present application provides a steam spray gun and steam equipment, which aims to solve or at least partially solve the shortcomings of the above-mentioned background technology. The steam spray gun will only spray steam after the steam generating device generates steam for a period of time, and can realize pressure holding control, so that the sprayed steam is pressure steam with good impact force and steam quality, so that the steam sprayed by the steam spray gun from beginning to end can achieve a more efficient cleaning effect.

[0006] Specifically, this application is implemented through the following technical solutions:

[0007] According to a first aspect of the present application, a steam spray gun is provided, comprising a shell, a trigger rotatably connected to the shell, and a steam generating switch and a steam exhaust switch installed in the shell, wherein the steam generating switch and the steam exhaust switch are driven to be turned off or on by the trigger, and the trigger passes through a first stroke position and a second stroke position in succession from an initial position when being pressed and driven, and when the trigger is in the initial position, the steam generating switch and the steam exhaust switch are both in an off state, when the trigger is in the first stroke position, the steam generating switch is in an on state and the steam exhaust switch is in an off state, and when the trigger is in the second stroke position, the steam generating switch and the steam exhaust switch are both in an on state.

[0008] Preferably, the steam generation switch is a magnetic switch, the steam discharge switch is a mechanically driven valve, the trigger is provided with a magnetic part corresponding to the magnetic switch for induction cooperation therewith, and the trigger is provided with a pressing head corresponding to the valve for abutting and pressing therewith.

[0009] Preferably, the trigger has an upper end and a lower end relative to each other, and a fulcrum portion located between the upper and lower ends and arranged close to the upper end, the trigger can rotate around the fulcrum portion, the magnetic switch is arranged corresponding to the lower end of the trigger, and the valve is arranged corresponding to the upper end of the trigger, and the magnetic switch and the valve are arranged on both sides of the trigger.

[0010] Preferably, the valve has a valve pin for the upper end of the trigger to press to open the valve. When the trigger is in the initial position and the first stroke position, there is a gap between the upper end of the trigger and the valve pin. When the trigger is in the second stroke position, the valve pin is pressed downward.

[0011] Preferably, an elastic reset member connected to the trigger is provided in the housing, and the elastic reset member is used to push the trigger to reset to the initial position.

[0012] Preferably, the elastic reset member is a torsion spring, a compression spring, a tension spring or a metal spring.

[0013] Preferably, the housing includes a gun handle portion, which is located on one side of the trigger. The trigger can move closer to or farther away from the gun handle portion when rotating, and the magnetic switch is arranged in the gun handle portion.

[0014] According to a second aspect of the present application, a steam device is provided, which includes the steam spray gun as described in the first aspect above.

[0015] Preferably, the steam equipment includes a controller and a steam generating device, the steam generating switch and the steam generating device are both electrically connected to the controller, and the controller controls the start and stop of the steam generating device according to the electrical signal of the steam generating switch.

[0016] Preferably, the steam generating device includes a steam generator and a water pump, the water pump is connected to the inlet of the steam generator, and the outlet of the steam generator is connected to the steam discharge switch, and the controller controls the start and stop of the steam generator and the water pump according to the electrical signal of the steam generation switch to generate or stop steam.

[0017] The beneficial effects of this application are:

[0018] The steam spray gun and steam equipment provided by the present application can use the same trigger to control steam generation and steam discharge, and the steam generation switch and the steam discharge switch are opened successively during the rotation of the trigger, that is, the steam generation switch is opened before the steam discharge switch is opened, so that when the steam discharge switch is opened, at least the conduit inside the steam spray gun for discharging steam is filled with steam, and pressure holding control can be achieved, so that the sprayed steam is pressure steam with good impact force and steam quality. After the steam discharge switch is opened, the steam generation switch is still in the open state, and steam is continuously generated throughout the whole process, so that the steam spray gun is in a state from the start of steam spraying to the end of steam spraying, which can make the sprayed steam more efficient and clean. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0020] Figure 1 This is a cross-sectional view of a steam spray gun with the trigger in the initial position shown in the first specific embodiment of the present application.

[0021] Figure 2 This is a cross-sectional view of a steam spray gun with the trigger in the first stroke position shown in the first specific embodiment of the present application.

[0022] Figure 3 This is a cross-sectional view of a steam spray gun with the trigger in the second stroke position shown in the first specific embodiment of the present application.

[0023] Figure 4 It is a three-dimensional diagram of a steam device shown in the second specific embodiment of the present application.

[0024] Explanation of the accompanying drawings: housing 1, steam generation switch 11, steam discharge switch 12, valve pin 121, gun grip 14, trigger 2, magnetic part 21, pressing head 22, fulcrum 23, steam generation device 5, steam generator 51, water pump 52. DETAILED DESCRIPTION

[0025] Exemplary embodiments are described in detail herein, with examples illustrated in the accompanying drawings. When the following description refers to the drawings, identical numerals in different drawings represent identical or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments are not intended to represent all implementations consistent with the present disclosure; they are merely examples of apparatuses and methods consistent with certain aspects of the present disclosure.

[0026] The terms used in this application are for the purpose of describing specific embodiments only and are not intended to limit this application. As used in this application and the appended claims, the singular forms "a," "an," "the," and "the" are intended to include the plural forms, unless the context clearly indicates otherwise. It should also be understood that the term "and / or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

[0027] It should be understood that although the terms first, second, third, etc. may be used in this application to describe various information, such information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other. For example, without departing from the scope of this application, first information may also be referred to as second information, and similarly, second information may also be referred to as first information. Depending on the context, the word "if" as used herein may be interpreted as "at the time of" or "when" or "in response to determining".

[0028] The following is a detailed description of a steam spray gun and a steam spray gun of the present application in conjunction with the accompanying drawings. In the absence of conflict, the features of the following embodiments can be combined with each other. Specific embodiment one:

[0030] Please refer to Figures 1 to 3 As shown, the present application provides a steam spray gun. The steam spray gun includes a housing 1, a trigger 2 rotatably connected to the housing 1, and a steam generation switch 11 and a steam discharge switch 12 installed in the housing 1. When the trigger 2 is pressed and driven, it passes through a first stroke position and a second stroke position from an initial position. When the trigger 2 is in the initial position, the steam generation switch 11 and the steam discharge switch 12 are both in an off state. When the trigger 2 is in the first stroke position, the steam generation switch 11 is in an on state and the steam discharge switch 12 is in an off state. When the trigger 2 is in the second stroke position, the steam generation switch 11 and the steam discharge switch 12 are both in an on state. When the trigger 2 is in the first stroke position, steam is continuously generated. When the trigger 2 is in the second stroke position, the steam generated by the trigger 2 has at least filled the conduit for conveying steam inside the steam spray gun and continues to generate steam, so that the steam spray gun is in a state for efficient cleaning from the start of steam spraying to the stop of steam spraying. This solution can realize pressure holding control by simply pressing the trigger 2, so that the ejected steam has better impact force and steam quality.

[0031] Specifically, in this embodiment, the steam generation switch 11 is a magnetic switch, the steam discharge switch 12 is a mechanically driven valve, the trigger 2 is provided with a magnetic member 21 corresponding to the magnetic switch for inductive cooperation therewith, and the trigger 2 is provided with a pressing head 22 corresponding to the valve for abutting and pressing therewith. In other embodiments, the magnetic member 21 may also be attached to the outside of the trigger 2 at a position corresponding to the magnetic switch, and this application is not limited thereto.

[0032] When the magnetic member 21 is within the sensing range of the magnetic switch, Figure 2 As shown, steam starts to be generated, and there is no need for the magnetic part 21 on the trigger 2 to touch the magnetic switch (i.e., the steam generation switch 11) located in the housing 1 to control the generation of steam; the mechanically driven valve needs to be pressed to be opened, that is, steam will be discharged only when the pressing head 22 on the trigger 2 abuts and presses on the valve (i.e., the steam discharge switch 12). In this way, when the user pulls the trigger 2, the steam generation switch 11 will be opened first to generate steam, and the steam discharge switch 12 will not be opened to discharge steam until the pressing head 22 on the trigger 2 abuts and presses on the steam discharge switch 12. At this time, the magnetic part 21 on the trigger 2 also touches the steam generation switch 11, as shown in FIG. Figure 3 shown.

[0033] It should be noted that, in other embodiments, when the steam discharge switch 12 is turned on, that is, when the trigger 2 is in the second stroke position, the magnetic part 21 on the trigger 2 may not touch the magnetic switch. Whether it will touch depends on the rotatable range of the trigger 2 and the distance between the magnetic part 21 and the magnetic switch. Alternatively, the steam discharge switch 12 may be set to other switch components that can be triggered without touching. It is only necessary to ensure that the steam generation switch 11 can be triggered to turn on in the process of pulling the trigger 2 and the steam discharge switch 12 can be triggered to turn on after at least a preset amount of steam is generated. That is, when the trigger 2 is in the first stroke position, a preset amount of steam can be generated, which can fill the conduit inside the steam spray gun for conveying steam.

[0034] like Figures 1 to 3 As shown, the trigger 2 has an upper end and a lower end relative to each other, and a fulcrum portion 23 located between the upper end and the lower end and arranged close to the upper end. The trigger 2 can rotate around the fulcrum portion 23. The magnetic switch is arranged corresponding to the lower end of the trigger 2, and the valve is arranged corresponding to the upper end of the trigger 2. The magnetic switch and the valve are respectively arranged on both sides of the trigger 2.

[0035] Specifically, such as Figures 1 to 3As shown, in this embodiment, the valve has a valve pin 121 that is pressed by the upper end of the trigger 2 to open the valve. When the trigger 2 is in the initial position and the first stroke position, there is a gap between the upper end of the trigger 2 and the valve pin 121. In this state, the steam discharge switch 12 remains closed. The first stroke position refers to a position where the trigger 2 has a certain pressing stroke relative to the initial position. When the trigger 2 is in the first stroke position, the steam generation switch 11 is already in the open state and begins to generate steam. When the trigger 2 is in the second stroke position, the valve pin 121 is pressed downward, thereby opening the valve to discharge steam. Providing the valve with the valve pin 121 can make it easier to control the opening and closing of the valve using the trigger 2. In other embodiments, the valve pin 121 may be omitted, or other components that can facilitate the opening and closing of the valve as well as the valve pin 121 may be provided, depending on practical considerations. This application is not limited to this.

[0036] Furthermore, to facilitate the control of the on / off of the steam generation switch 11 and the steam discharge switch 12, this embodiment further provides an elastic return member (not shown in the figure) connected to the trigger 2 within the housing 1. The elastic return member is used to push the trigger 2 back to the initial position. This application does not impose any further restrictions on the specific installation method and position of the elastic return member. When steam is no longer needed, the user stops pulling the trigger 2 and removes the hand from the trigger 2. At this time, the trigger 2 is quickly rotated in the opposite direction to return to the initial position by the pushing force of the elastic return member, and the steam generation switch 11 and the steam discharge switch 12 are simultaneously turned off to avoid the generation of a large amount of steam when the steam discharge switch 12 is turned off.

[0037] Preferably, the elastic reset member is a torsion spring, a compression spring, a tension spring or a metal spring with a long service life.

[0038] In this embodiment, in order to improve the user experience, the trigger 2 is automatically restored to the initial position with the help of an elastic reset member to simultaneously turn off the steam generation switch 11 and the steam discharge switch 12. In other embodiments, the user can also manually rotate the trigger 2 in the opposite direction to restore it to any position to meet their needs, and this application does not limit this.

[0039] The specific process of the trigger 2 controlling the steam generation switch 11 and the steam discharge switch 12 to be turned on and off can be described as follows:

[0040] When the trigger 2 is pulled by the user, it rotates counterclockwise about the fulcrum 23 in response to the pressure applied by the user. When the magnetic member 21 located on the lower end of the trigger 2 is within the sensing range of the magnetic switch located at the lower end of the trigger 2, the steam generation switch 11 is turned on, and steam generation begins. As the trigger 2 rotates further counterclockwise, the pressing head 22 located on the upper end of the trigger 2 presses the valve pin 121 located at the upper end of the trigger 2 downward, turning the steam discharge switch 12 on and starting steam discharge. When the force applied by the user is removed, the trigger 2 is urged by the elastic return member, rotating clockwise about the fulcrum 23. The pressing head 22 located on the upper end of the trigger 2 quickly moves away from the valve pin 121 located at the upper end of the trigger 2, closing the steam discharge switch 12. The magnetic member 21 located on the lower end of the trigger 2 leaves the sensing range of the magnetic switch located at the lower end of the trigger 2, and the steam generation switch 11 is turned off, stopping steam discharge and generation.

[0041] like Figures 1 to 3 As shown, in order to facilitate the user to hold it with his hand, the housing 1 includes a gun handle 14, and the gun handle 14 is located on one side of the trigger 2. The trigger 2 can move closer to or farther away from the gun handle 14 when rotating, and the magnetic switch is arranged in the gun handle 14. Specific embodiment two:

[0043] Please refer to Figure 4 As shown, the present application provides a steam device. The steam device includes the steam spray gun as described in the first embodiment.

[0044] like Figure 4 As shown, the steam equipment includes a controller and a steam generating device 5. The steam generating switch inside the steam spray gun and the steam generating device 5 are both electrically connected to the controller by signals. The controller controls the start and stop of the steam generating device 5 according to the electrical signal of the steam generating switch.

[0045] like Figure 4 As shown, the steam generating device 5 includes a steam generator 51 and a water pump 52. The water pump 52 is connected to the inlet of the steam generator 51, and the outlet of the steam generator 51 is connected to the steam discharge switch inside the steam spray gun. The controller controls the start and stop of the steam generator 51 and the water pump 52 according to the electrical signal of the steam generation switch 11 to generate or stop steam.

[0046] Specifically, the steam device may be a steam car washer, a steam mop, a steam disinfection cabinet, a steam iron, a steam garment iron, a steam dishwasher, or a steam-ozone disinfection machine. The figure is merely an illustrative example, and this application does not further limit the type of steam device, the specific structure of the steam device, etc.

[0047] From the above specific description of the embodiments, it can be seen that the steam spray gun and steam equipment provided by the present application can use the same trigger to control steam generation and steam discharge, and the steam generation switch and the steam discharge switch are opened successively during the rotation of the trigger, that is, the steam generation switch is opened before the steam discharge switch is opened, so that when the steam discharge switch is opened, at least the conduit inside the steam spray gun for discharging steam is filled with steam to form pressurized steam. After the steam discharge switch is opened, the steam generation switch is still in the open state, and steam is continuously generated throughout the entire process, so that the steam spray gun is in a state that can be efficiently cleaned from the start of steam spraying to the stop of steam spraying.

[0048] The above description is merely a preferred embodiment of the present application and does not constitute any form of limitation to the present application. Although the present application has been disclosed as above with preferred embodiments, it is not intended to limit the present application. Any technician familiar with this profession can make slight changes or modifications to equivalent embodiments with equivalent changes using the technical contents disclosed above without departing from the scope of the technical solution of the present application. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present application without departing from the content of the technical solution of the present application are still within the scope of the technical solution of the present application.

Claims

1. A steam spray gun comprising a housing, a trigger rotatably connected to the housing, and a steam generation switch and a steam discharge switch mounted in the housing, characterized in that: The steam generation switch and the steam discharge switch are driven to be turned off or on by the trigger. When the trigger is pressed, it passes through a first stroke position and a second stroke position in sequence from an initial position. When the trigger is in the initial position, the steam generation switch and the steam discharge switch are both in an off state. When the trigger is in the first stroke position, the steam generation switch is in an on state and the steam discharge switch is in an off state. When the trigger is in the second stroke position, the steam generation switch and the steam discharge switch are both in an on state. When the trigger is in the first stroke position, steam is continuously generated. When the trigger is in the second stroke position, the steam generated has at least filled the conduit inside the steam spray gun for conveying steam, and steam is still continuously generated, so that the steam spray gun is in a state of efficient cleaning from the start of steam spraying to the stop of steam spraying.

2. The steam spray gun according to claim 1, wherein The steam generation switch is a magnetic switch, the steam discharge switch is a mechanically driven valve, the trigger is provided with a magnetic part corresponding to the magnetic switch and inductively cooperating with it, and the trigger is provided with a pressing head corresponding to the valve and abutting and pressing it.

3. The steam spray gun according to claim 2, characterized in that The trigger has an upper end and a lower end relative to each other, and a fulcrum portion located between the upper and lower ends and arranged close to the upper end. The trigger can rotate around the fulcrum portion. The magnetic switch is arranged corresponding to the lower end of the trigger, and the valve is arranged corresponding to the upper end of the trigger. The magnetic switch and the valve are respectively arranged on both sides of the trigger.

4. The steam spray gun according to claim 3, characterized in that The valve has a valve pin for the upper end of the trigger to press to open the valve. When the trigger is in the initial position and the first stroke position, there is a gap between the upper end of the trigger and the valve pin. When the trigger is in the second stroke position, the valve pin is pressed downward.

5. The steam spray gun according to claim 2, wherein: An elastic reset member connected to the trigger is provided in the housing, and the elastic reset member is used to push the trigger to reset to the initial position.

6. The steam spray gun according to claim 5, characterized in that The elastic reset member is a torsion spring, a compression spring, a tension spring or a metal spring.

7. The steam spray gun according to claim 2, wherein: The housing includes a gun handle portion, which is located on one side of the trigger. The trigger can move closer to or farther away from the gun handle portion when rotating, and the magnetic switch is arranged in the gun handle portion.

8. A steam device, characterized in that: The invention comprises the steam spray gun stick according to any one of claims 1 to 7.

9. The steam device according to claim 8, characterized in that The steam equipment includes a controller and a steam generating device. The steam generating switch and the steam generating device are both electrically connected to the controller. The controller controls the start and stop of the steam generating device according to the electrical signal of the steam generating switch.

10. The steam device according to claim 9, characterized in that The steam generating device includes a steam generator and a water pump, the water pump is connected to the inlet of the steam generator, and the outlet of the steam generator is connected to the steam discharge switch. The controller controls the start and stop of the steam generator and the water pump according to the electrical signal of the steam generation switch to generate or stop steam.

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