Handheld multifunctional fan device

Abstract

The utility model discloses a handheld multifunctional fan device which comprises a machine shell, a fan assembly arranged in the machine shell, a first functional head, a second functional head, a first connecting mechanism and a second connecting mechanism, the first function head and the second function head are used for being connected to a machine shell in a replaceable mode, and the first connecting mechanism is matched with the second connecting mechanism. The air outlet end and the second functional head are respectively provided with the first connecting mechanism, and the air suction opening end and the first functional head are respectively provided with the second connecting mechanism. According to the fan device, the functions of dust blowing, paint spraying and the like or the functions of dust suction, vacuum suction, acarus killing and the like are achieved respectively by replacing the functional heads, the use range and the use scene of the fan device are greatly expanded, the purpose that one object has multiple purposes is achieved, the purposes of the fan device are increased, and the functions of the fan device are multiple.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of spray gun accessories, particularly to a hand-held multifunctional fan device. BACKGROUND

[0002] The spray gun is a kind of spraying equipment for atomizing liquid and then spraying the object to be painted to obtain uniform and beautiful coating layer.

[0003] The spray gun usually comprises a casing and a fan assembly arranged in the casing, one end of the casing is provided with a suction port, the suction port is shielded by a wind cover provided with a plurality of through holes, the other end of the casing is provided with an air outlet, and the air outlet is connected with a storage barrel and a nozzle through a gun body. When the fan assembly works, wind pressure is generated to deliver the paint in the storage barrel to the nozzle of the gun body, and then the paint is atomized and sprayed out through the wind pressure, so that the effect of uniform paint spraying is realized. It has the advantages of good spraying effect, fast spraying speed, large spraying area, uniform spraying thickness, etc., and can adjust the pressure and the size of the atomizing nozzle to adapt to different paints and spraying occasions.

[0004] However, the structure of the spray gun used in the market is single, and the use is also single, which cannot be used for dust blowing, vacuum suction and other field operations.

[0005] Therefore, it is necessary to improve the prior art. CONTENT OF THE UTILITY MODEL

[0006] The utility model discloses a hand-held multifunctional fan device to solve the problem that the structure of the spray gun in the prior art is single, the use is also single, and the spray gun cannot be used for dust blowing, vacuum suction and other field operations.

[0007] To achieve the above object, the utility model adopts the following technical scheme:

[0008] A hand-held multifunctional fan device comprises a casing and a fan assembly arranged in the casing, one end of the casing is a suction port end, the other end of the casing is an air outlet end, and the device further comprises a first functional head, a second functional head, a first connecting mechanism and a second connecting mechanism. The first functional head and the second functional head are used to be replaceably connected to the casing, and the first connecting mechanism and the second connecting mechanism are adapted. The air outlet end and the second functional head are respectively provided with the first connecting mechanism, and the suction port end and the first functional head are respectively provided with the second connecting mechanism. The first functional head is detachably connected to the air outlet end through the cooperation of the corresponding second connecting mechanism and first connecting mechanism, and the second functional head is detachably connected to the suction port end through the cooperation of the corresponding first connecting mechanism and second connecting mechanism.

[0009] Further, the first function head comprises a dust blowing function head and a paint spraying function head which are replaceable.

[0010] Further, the second function head comprises a dust suction function head, a vacuum suction function head and a mite removing function head which are replaceable.

[0011] Further, the first connecting mechanism is a protrusion provided on the inner circumferential wall of the air outlet end of the casing and the connecting end of the second function head.

[0012] Further, the second connecting mechanism is a locking groove provided on the outer circumferential wall of the air suction end of the casing and the connecting end of the first function head, and the protrusion and the locking groove are locked together.

[0013] Further, the locking groove comprises a gap groove for the protrusion to enter and a limiting groove for limiting the protrusion from coming out.

[0014] Further, when the air outlet end is connected with the first function head, the air suction end is provided with a casing cover having an air outlet, and the air outlet and the air suction end are provided with dustproof cotton; when the air suction end is connected with the second function head, the air outlet end is provided with a casing cover having an air outlet, and the air outlet and the air outlet end are provided with soundproof cotton.

[0015] Further, the inner circumferential wall of the casing cover is provided with the first connecting mechanism, and the casing cover is detachably connected to the air suction end of the casing through the corresponding first connecting mechanism and second connecting mechanism; alternatively, the outer circumferential wall of the casing cover is provided with the second connecting mechanism, and the casing cover is detachably connected to the air outlet end of the casing through the corresponding second connecting mechanism and first connecting mechanism.

[0016] Further, the first function head and the air outlet end of the casing, and the second function head and the air suction end of the casing are respectively provided with a sealing ring.

[0017] Further, the casing is extended with a holding handle, and the holding handle is provided with a power supply electrically connected with the fan assembly and a trigger for controlling the power supply to be on or off.

[0018] With the above structure, the hand-held multifunctional fan device has the advantages that the fan device has a first connecting structure at an air outlet end of a casing and a second connecting structure at an air inlet end of the casing, the first connecting structure is adapted to a first functional head, and the second connecting structure is adapted to a second functional head, the first functional head is detachably connected to the air outlet end through the second connecting structure and the first connecting structure, and the second functional head is detachably connected to the air inlet end through the first connecting structure and the second connecting structure, the first functional head is capable of being installed at the air outlet end through the first connecting structure, such as a dust blowing head, a paint spraying head, etc., and the second functional head is capable of being installed at the air inlet end through the second connecting structure, such as a dust suction head, a vacuum suction head, a mite removing head, etc., the fan device has the functions of dust blowing, paint spraying, dust suction, vacuum suction, mite removing, etc., the use range and use scene of the fan device are greatly expanded, the purpose of one thing serving multiple purposes is achieved, the use of the fan device is increased, the functionality of the fan device is more, and the connecting structures are connected through the first connecting structure and the second connecting structure, the functional heads are universal, and the fan device is convenient to disassemble and assemble. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the specific embodiments of the present application, the drawings needed in the following specific embodiment description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0020] Figure 1 is a schematic diagram of the overall structure of the present application Figure 1 ;

[0021] Figure 2 is a schematic diagram of the overall structure of the present application Figure 2 ;

[0022] Figure 3 is a schematic diagram of the paint spraying functional head of the present application

[0023] Figure 4It is the perspective view schematic diagram of the shell cover of the utility model.

[0024] Figures 1 to 4 Reference numerals are:

[0025] 1, shell; 11, air suction end; 12, air outlet end; 13, handle; 131, trigger; 2, paint spraying function head; 3, protruding block; 4, locking groove; 41, notch groove; 42, limiting groove; 5, shell cover; 51, air port. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent, obvious and easy to understand, the specific embodiments of the utility model are described in detail below in combination with the drawings. In the following description, a lot of specific details are set forth in order to give a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0027] In the description of the utility model, it should be understood that if these terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.

[0028] In addition, if these terms "first", "second" appear, these terms are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, if the term "multiple" appears, the meaning of "multiple" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0029] In the utility model, unless another definite provision and limitation, if there is the term " install ", " link ", " connect ", " fix " and so on, these terms should be broad sense understanding. For example, can be fixed connection, also can be detachable connection, or be integrated, can be mechanical connection, also can be electrical connection, can be direct connection, also can be indirectly connected through intermediate medium, can be the communication of two elements or the interaction of two elements, unless another definite limitation. For ordinary skilled in the art, can understand the concrete meaning of the above terms in the utility model according to specific circumstances.

[0030] In the utility model, unless another definite provision and limitation, if there is the term " install ", " link ", " connect ", " fix " and so on, these terms should be broad sense understanding. For example, can be fixed connection, also can be detachable connection, or be integrated, can be mechanical connection, also can be electrical connection, can be direct connection, also can be indirectly connected through intermediate medium, can be the communication of two elements or the interaction of two elements, unless another definite limitation. For ordinary skilled in the art, can understand the concrete meaning of the above terms in the utility model according to specific circumstances.

[0031] It should be noted that if an element is referred to as " fixed to " or " disposed on " another element, it can be directly on the other element or there can be intervening elements. If an element is referred to as " connected " to another element, it can be directly connected to the other element or intervening elements can be present. Unless otherwise stated, the terms "vertical", "horizontal", "top", "bottom", "left", "right" and the like as can be used herein are made only with reference to the exemplary illustrations as shown in the drawings and are merely used for description.

[0032] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict. The utility model will be described in detail below with reference to the drawings and in combination with embodiments.

[0033] As Figures 1 to 4As shown, a handheld multifunctional air blower device includes a casing 1 and an air blower assembly arranged inside the casing 1, one end of the casing 1 is a suction port end 11, the other end of the casing 1 is an air outlet end 12, further including a first functional head, a second functional head, a first connecting mechanism and a second connecting mechanism, the first functional head and the second functional head are used to replaceably connect to the casing 1, the first connecting mechanism and the second connecting mechanism are adapted; the air outlet end 12 and the second functional head are respectively provided with the first connecting mechanism, the suction port end 11 and the first functional head are respectively provided with the second connecting mechanism, the first functional head is detachably connected to the air outlet end 12 through the corresponding second connecting mechanism and the first connecting mechanism, the second functional head is detachably connected to the suction port end 11 through the corresponding first connecting mechanism and the second connecting mechanism. The first functional head includes a dust blowing functional head and a paint spraying functional head which can be used alternately. The second functional head includes a dust suction functional head, a vacuum suction functional head and a mite removal functional head which can be used alternately. When the air outlet end 12 is connected with the first functional head, the suction port end 11 is provided with a casing cover 5 with an air port 51, and the air port 51 and the suction port end 11 are provided with dustproof cotton; when the suction port end 11 is connected with the second functional head, the air outlet end 12 is provided with a casing cover 5 with an air port 51, and the air port 51 and the air outlet end 12 are provided with soundproof cotton. The inner circumferential wall of the casing cover 5 is provided with the first connecting mechanism, and the casing cover 5 is detachably connected to the suction port end 11 of the casing 1 through the corresponding first connecting mechanism and the second connecting mechanism; alternatively, the outer circumferential wall of the casing cover 5 is provided with the second connecting mechanism, and the casing cover 5 is detachably connected to the air outlet end 12 of the casing 1 through the corresponding second connecting mechanism and the first connecting mechanism.

[0034] Based on the above embodiment, the utility model wants to solve is provide a hand -held multi -functional fan device, including casing 1 and set up in casing 1 inside fan assembly, the one end of casing 1 is suction port end 11, the other end of casing 1 is outlet end 12, still including first functional head, second functional head, first connecting mechanism and second connecting mechanism, first functional head and second functional head are used to replaceably use to connect to casing 1, first connecting mechanism and second connecting mechanism are adapted;Outlet end 12 and second functional head are equipped with first connecting mechanism respectively, suction port end 11 and first functional head are equipped with second connecting mechanism respectively, first functional head is detachably connected to outlet end 12 through corresponding second connecting mechanism and first connecting mechanism cooperation, second functional head is detachably connected to suction port end 11 through corresponding first connecting mechanism and second connecting mechanism cooperation.The utility model's casing 1's outlet end 12 is equipped with first connecting structure, and suction port end 11 is equipped with second connecting mechanism, and first functional head, such as dust blowing functional head, paint spraying functional head, etc., can be installed in outlet end 12 through first connecting mechanism, at this time, suction port end 11 is installed casing cover 5 through second connecting mechanism;Second functional head, such as dust suction functional head, vacuum suction functional head, acarid removal functional head, etc., can be installed in suction port end 11 through second connecting structure, at this time, outlet end 12 is installed casing cover 5 through first connecting mechanism.Such makes fan device have dust blowing, paint spraying etc. respectively;Or have dust suction, vacuum suction and acarid removal etc. respectively, greatly expands the use range and use scene of fan device, realizes the purpose of one thing multiple use, increases the purpose of fan device, makes the functional of fan device more;And the mechanism of connecting place all adopt first connecting mechanism and second connecting mechanism cooperation to realize the connecting function, under the premise of realizing functional head universal, also makes dismounting convenient.

[0035] Specifically, the dust blowing function head is correspondingly installed at the air outlet end 12 of the fan device, after the trigger 131 is started, the air pressure formed by the fan assembly is directed to the dust blowing function head, so that the dust blowing cleaning function can be realized, which can be used for dust removal of the desktop, etc.; the paint spraying function head is correspondingly installed at the air outlet end 12 of the fan device, after the trigger 131 is started, the air pressure formed by the fan assembly is directed to the paint spraying function head, so that the paint spraying function can be realized, which can be used for paint spraying of the object surface, etc.; the dust suction function head is correspondingly installed at the air suction end 11 of the fan device, after the trigger 131 is started, the air suction fan arranged in the fan assembly rotates to suck air, so that the dust suction function can be realized, which can be used for cleaning of the interior of the automobile, etc.; the vacuum suction function head is correspondingly installed at the air suction end 11 of the fan device, after the trigger 131 is started, the air suction fan arranged in the fan assembly rotates to suck air, so that the vacuum suction function can be realized, which can be used for vacuum treatment of the packaging bag, etc.; the mite removal function head is correspondingly installed at the air suction end 11 of the fan device, after the trigger 131 is started, the air suction fan arranged in the fan assembly rotates to suck air, so that the mite removal function can be realized, which can be used for mite removal cleaning of the bedclothes, etc. Of course, the first function head and the second function head are not limited to the above-listed function heads, as long as the function heads can realize corresponding functions through positive pressure air outlet and negative pressure air suction, which will not be described herein.

[0036] In the embodiment, the dustproof cotton (not shown in the figure) can effectively filter the particulate matters such as dust in the air, so as to prevent the particulate matters from entering the interior of the fan device, thereby protecting the components of the machine body. The soundproof cotton (not shown in the figure) is arranged to reduce the noise during use of the fan device.

[0037] As another preferred scheme of the utility model, the first connecting mechanism is the protrusion 3 arranged at the inner circumferential wall of the air outlet end 12 of the machine shell 1 and the connecting end of the second function head. The second connecting mechanism is the locking groove 4 arranged at the outer circumferential wall of the air suction end 11 of the machine shell 1 and the connecting end of the first function head, and the protrusion 3 and the locking groove 4 are locked and matched. The locking groove 4 comprises the gap groove 41 for the protrusion 3 to enter and the limiting groove 42 for limiting the protrusion 3 from coming out of the locking groove 4. In the embodiment, as shown in the Figure 3 and Figure 4 When installing, the protrusion 3 is slid into the gap groove 41, and the machine shell 1 or the second function head is rotated, so that the protrusion 3 is slid into the limiting groove 42, to limit the protrusion 3 from coming out of the locking groove 4.

[0038] As another preferred scheme of the utility model, the first function head and the air outlet end 12 of the casing 1, the second function head and the air inlet end 11 of the casing 1 are respectively provided with sealing rings. In the embodiment, the sealing rings (not shown in the figure) are arranged to increase the sealing property between the air outlet end 12 and the first function head, and between the air inlet end 11 and the casing cover 5; or, to increase the sealing property between the air inlet end 11 and the second function head, and between the air outlet end 12 and the casing cover 5.

[0039] As another preferred scheme of the utility model, the casing 1 is extended with a holding handle 13, the holding handle 13 is provided with a power supply electrically connected with the fan assembly and a trigger 131 for controlling the power supply on-off. The power supply is a lithium battery detachably mounted at the bottom of the holding handle 13. In the embodiment, as shown in the figure, Figure 1 and Figure 2 the power supply is a lithium battery (not shown in the figure) detachably mounted at the bottom of the holding handle 13, and the lithium battery is controlled by the trigger 131 to supply power to the fan assembly, i.e. to control the start-stop of the fan device. In the embodiment, the holding handle 13 is arranged to facilitate the user to grasp and control the fan device. In the embodiment, the lithium battery is arranged to make the fan device movable, not limited by the position of the power supply jack, and to increase the use scenarios.

[0040] Obviously, the above embodiments are only examples for clearly illustrating, and not limit the embodiments. For ordinary skilled in the art, on the basis of the above description, other different forms of changes or variations can also be made. Here, all the embodiments need not and cannot be exhausted. The obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. A handheld multi-functional fan device, comprising a housing (1) and a fan assembly disposed inside the housing (1), wherein one end of the housing (1) is an air intake end (11) and the other end of the housing (1) is an air outlet end (12), characterized in that: It also includes a first functional head, a second functional head, a first connecting mechanism, and a second connecting mechanism. The first functional head and the second functional head are used to be interchangeably connected to the housing (1). The first connecting mechanism is adapted to the second connecting mechanism. The air outlet end (12) and the second functional head are respectively provided with the first connecting mechanism. The air inlet end (11) and the first functional head are respectively provided with the second connecting mechanism. The first functional head is detachably connected to the air outlet end (12) through the cooperation of the corresponding second connecting mechanism and the first connecting mechanism. The second functional head is detachably connected to the air inlet end (11) through the cooperation of the corresponding first connecting mechanism and the second connecting mechanism.

2. The handheld multi-functional fan device according to claim 1, characterized in that: The first functional head includes a dust blowing functional head and a paint spraying functional head (2) that can be used interchangeably.

3. A handheld multi-functional fan device according to claim 1 or 2, characterized in that: The second functional head includes a vacuuming head, a vacuum suction head, and a mite removal head that can be used interchangeably.

4. The handheld multi-functional fan device according to claim 1, characterized in that: The first connecting mechanism consists of protrusions (3) on the inner peripheral wall of the air outlet end (12) of the housing (1) and the connecting end of the second functional head.

5. A handheld multi-functional fan device according to claim 4, characterized in that: The second connecting mechanism is a locking groove (4) respectively provided on the outer peripheral wall of the air intake end (11) of the housing (1) and the connecting end of the first functional head, and the protrusion (3) locks in the locking groove (4).

6. A handheld multi-functional fan device according to claim 5, characterized in that: The locking groove (4) includes a notch (41) for the protrusion (3) to enter and a limiting groove (42) for restricting the protrusion (3) from falling out.

7. A handheld multi-functional fan device according to claim 1, characterized in that: When the air outlet end (12) is connected to the first functional head, the air intake end (11) is provided with a housing cover (5) having an air vent (51), and a dustproof cotton is provided between the air vent (51) and the air intake end (11); when the air intake end (11) is connected to the second functional head, the air outlet end (12) is provided with a housing cover (5) having an air vent (51), and a sound-absorbing cotton is provided between the air vent (51) and the air outlet end (12).

8. A handheld multi-functional fan device according to claim 7, characterized in that: The inner peripheral wall of the housing cover (5) is provided with a first connecting mechanism, and the housing cover (5) is detachably connected to the air intake end (11) of the housing (1) through the cooperation of the corresponding first connecting mechanism and the second connecting mechanism; or, the outer peripheral wall of the housing cover (5) is provided with a second connecting mechanism, and the housing cover (5) is detachably connected to the air outlet end (12) of the housing (1) through the cooperation of the corresponding second connecting mechanism and the first connecting mechanism.

9. A handheld multi-functional fan device according to claim 1, characterized in that: Sealing rings are provided at the air outlet end (12) of the first functional head and the air inlet end (11) of the second functional head and the air inlet end (11) of the housing (1).

10. A handheld multi-functional fan device according to claim 1, characterized in that: The housing (1) extends to a grip handle (13), which is provided with a power supply electrically connected to the fan assembly and a trigger (131) for controlling the power supply to be turned on and off.

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