Handheld high-speed fan easy to assemble

Abstract

The utility model discloses a handheld high-speed fan easy to assemble, which relates to the technical field of portable fans and comprises an air duct shell component, a fan, a handle shell component and an electric control component. A cylindrical air inlet and outlet channel is defined by an inner cavity of the air duct shell assembly and extends in the linear direction, the two ends of the air inlet and outlet channel are an air inlet and an air outlet of the air duct shell assembly respectively, and the fan is contained and fixed in the air duct shell assembly. The air duct shell assembly and the handle shell assembly are mutually fixed through a plug bush bonding structure. The utility model mainly solves the problem of how to provide a reasonable and efficient air duct structure and a mechanical structure easy to assemble for the high-speed fan. Compared with the prior art, the number of buckling positions and bonding positions in the whole assembling process is small, assembling parts and assembling steps of the air channel shell assembly and the handle shell assembly are effectively reduced, mistaken assembling and loss are avoided in the assembling process, and the air channel shell assembly and the handle shell assembly are mutually fixed through the plug bush bonding structure.

Description

Technical Field

[0001] The utility model relates to the technical field of portable fans, in particular to a handheld high-speed fan which is easy to assemble. Background Art

[0002] Thanks to the development of battery miniaturization technology, motor miniaturization technology and intelligent electronic control device technology, more and more portable fans are manufactured and used. Today, there are a wide variety of portable fans, such as handheld fans, neck fans, pocket fans and table clip fans, etc.

[0003] A handheld fan (usually called a "high-speed fan") that applies a small high-speed motor can generate high-speed air flow, and by optimizing the air duct structure, it can avoid the high-speed air flow from diverging everywhere, so as to obtain a higher air outlet pressure. In addition to the basic functions of air outlet and cooling, the high-speed fan with the above structure also has extended functions such as blowing and sucking dust, drying hair, drying pet hair and assisting in starting a fire.

[0004] In the prior art, in order to obtain a good air duct structure, a cylindrical air duct shell structure with a closed side is usually adopted for the handheld high-speed fan.

[0005] However, for the handheld high-speed fan with the above structure, in order to isolate the air duct shell structure from the handle shell structure without affecting the electrical connection (i.e., wire threading) between the air duct shell structure and the handle shell structure, the air duct shell structure and the handle shell structure need to be formed separately and assembled into one body, and they are usually fixedly connected by means of screws or buckles. Therefore, the problems of many assembly parts, cumbersome assembly steps and easy misassembly and loss during assembly have become inherent problems in the assembly process of the handheld high-speed fan.

[0006] In summary, how to provide a reasonable and efficient air duct structure and an easy-to-assemble mechanical structure for the high-speed fan has become an urgent problem to be solved. Summary of the Utility Model

[0007] The purpose of the utility model is to provide a handheld high-speed fan which is easy to assemble, and has a reasonable and efficient air duct structure and an easy-to-assemble mechanical structure.

[0008] To achieve the above object, the present utility model provides the following technical solutions: An easily assembled handheld high-speed fan, which includes an air duct housing assembly, a blower, a handle housing assembly, and an electric control assembly; the inner cavity of the air duct housing assembly defines a cylindrical air inlet and outlet passage, and the air inlet and outlet passage extends along a straight line direction, and both ends of the air inlet and outlet passage are respectively the air inlet and the air outlet of the air duct housing assembly; the blower is accommodated and fixed in the air duct housing assembly for driving air flow to enter the air inlet and outlet passage from the air inlet of the air duct housing assembly and jet out from the air outlet of the air duct housing assembly; the electric control assembly is accommodated and fixed in the handle housing assembly; the air duct housing assembly and the handle housing assembly are fixed to each other through an inserting sleeve bonding structure; the electric control assembly is electrically connected to the blower.

[0009] In the above technical solution, the inserting sleeve bonding structure includes an installation convex position provided on the outer side of the air duct housing assembly and an installation inner edge provided on the inner side of the upper opening of the handle housing assembly; the installation convex position of the air duct housing assembly is inserted into the installation inner edge of the handle housing assembly, and the installation convex position of the air duct housing assembly and the installation inner edge of the handle housing assembly are bonded and fixed through an adhesive.

[0010] In the above technical solution, a plurality of groove structures are formed on the surface of the installation convex position of the inserting sleeve bonding structure.

[0011] In the above technical solution, the air duct housing assembly includes a main air duct housing member, an air outlet housing member fixed to one end of the main air duct housing member, and an inner fixing member fixed to the other end of the main air duct housing member; the installation convex position of the inserting sleeve bonding structure is integrally formed on the outer side of the main air duct housing member; the inner fixing member is located at the air inlet of the air duct housing assembly, and the outlet end of the air outlet housing member is used as the air outlet of the air duct housing assembly; the blower is accommodated in the main air duct housing member of the air duct housing assembly, and the air outlet housing member and the inner fixing member respectively abut against the blower from both ends to fix the blower.

[0012] In the above technical solution, in the air duct housing assembly: one end of the air outlet housing member close to the inner side of the main air duct housing member is provided with a front fixing position, and one end of the inner fixing member close to the inner side of the main air duct housing member is provided with a rear fixing position; the front fixing position of the air outlet housing member abuts against the blower, and the rear fixing position of the inner fixing member abuts against the blower to fix the blower.

[0013] In the above technical solution, a first internal snap position is formed at the inner wall of the main air duct housing member; a first external snap position matching the first internal snap position is formed on the outer side of the air outlet housing member; the first external snap position of the air outlet housing member and the first internal snap position of the main air duct housing member are snap-fitted with each other to fix the air outlet housing member at one end of the main air duct housing member.

[0014] In the above technical solution, a second internal snap position is formed at the inner wall of the main air duct housing member; a second external snap position matching the second internal snap position is formed on the outer side of the internal fixing member; the second external snap position of the internal fixing member and the second internal snap position of the main air duct housing member are snap-fitted with each other to fix the internal fixing member at the other end of the main air duct housing member.

[0015] In the above technical solution, the air duct housing assembly further includes a grille plate member; the grille plate member is press-fitted and fixed in the air outlet housing member through the internal fixing member and is located at the air inlet of the air duct housing assembly.

[0016] In the above technical solution, the handle housing assembly includes a main handle housing member and a handle bottom cover member; the electronic control assembly is accommodated and fixed in the main handle housing member of the handle housing assembly, and the handle bottom cover member is covered and fixed at one end of the main handle housing member; the installation inner edge of the socket bonding structure is located at the open end of the main handle housing member.

[0017] In the above technical solution, the electronic control assembly includes a driving circuit board and a battery; both the driving circuit board and the battery of the electronic control assembly are accommodated and fixed in the main handle housing member of the handle housing assembly, and the driving circuit board is electrically connected to the blower and the battery respectively; a charging interface is mounted on the driving circuit board, and the charging interface on the driving circuit board passes through the main handle housing member of the handle housing assembly; a switch is also mounted on the driving circuit board, a key is embedded in the main handle housing member, and the key at the main handle housing member is aligned with the switch on the driving circuit board. When the key is pressed, the switch can be triggered.

[0018] Compared with the prior art, the beneficial effects of the present utility model are as follows: For the easily assembled handheld high-speed fan of the present utility model, during assembly, through the buckle structures (i.e., the first inner buckle position, the first outer buckle position, and the second inner buckle position, the second outer buckle position), it is possible to assemble the main air duct shell member, the air outlet shell member, the inner fixing member, the grille plate member, and the fan without screws and adhesives to form an air duct shell assembly; then pre-assemble the handle shell assembly and the electronic control assembly; subsequently, insert the installation convex position of the air duct shell assembly into the installation inner edge of the handle shell assembly, and bond and fix the installation convex position of the air duct shell assembly and the installation inner edge of the handle shell assembly with adhesive, thus completing the assembly process of the easily assembled handheld high-speed fan of the present utility model; the overall assembly process has fewer buckle positions and bonding positions, effectively reducing the assembly parts and assembly steps of the air duct shell assembly and the handle shell assembly, and avoiding misassembly and loss during assembly. The air duct shell assembly and the handle shell assembly are fixed to each other through the socket bonding structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a perspective view of the present utility model.

[0020] Figure 2 is an exploded view of the present utility model.

[0021] Figure 3 is a sectional view of the present utility model.

[0022] Reference numerals are: 1, air duct shell assembly; 11, main air duct shell member; 111, installation convex position; 1111, slot structure; 112, first inner buckle position; 113, second inner buckle position; 12, air outlet shell member; 121, first outer buckle position; 122, front fixing position; 13, inner fixing member; 131, second outer buckle position; 132, rear fixing position; 14, grille plate member; 2, fan; 3, handle shell assembly; 31, main handle shell member; 311, installation inner edge; 32, handle bottom cover member; 33, button; 4, electronic control assembly; 41, drive circuit board; 411, switch; 412, charging interface; 42, battery; 10, air inlet and outlet passage; 20, air inlet; 30, air outlet. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0024] This embodiment provides an easily assembled handheld high-speed fan. In addition to the basic functions of air outlet and temperature reduction, it also has extended functions such as blowing and sucking dust, drying hair, drying pet hair, and assisting in starting a fire.

[0025] Please refer to Figures 1 - 3 , the easily assembled handheld high-speed fan of this embodiment includes an air duct housing assembly 1, a fan 2, a handle housing assembly 3, and an electronic control assembly 4.

[0026] Among them, the air duct housing assembly 1 provides a structural foundation and a support foundation for the air duct of the handheld high-speed fan; the handle housing assembly 3 provides a structural foundation and a support foundation for the handle part of the handheld high-speed fan, and it is suitable for being held by hand; the fan 2 is used to provide a functional foundation for the air outlet of the handheld high-speed fan. In this embodiment, the fan 2 is a fan based on a high-speed motor and equipped with fan blades; the electronic control assembly 4 is used to provide a functional foundation for storing electricity, supplying power, and controlling the handheld high-speed fan.

[0027] The inner cavity of the air duct housing assembly 1 defines a cylindrical air inlet and outlet passage 10, and the air inlet and outlet passage 10 extends along a straight line direction. The two ends of the air inlet and outlet passage 10 are respectively the air inlet 20 and the air outlet 30 of the air duct housing assembly 1; the fan 2 is accommodated and fixed in the air duct housing assembly 1, and is used to drive air flow to enter the air inlet and outlet passage 10 from the air inlet 20 of the air duct housing assembly 1 and jet out from the air outlet 30 of the air duct housing assembly 1.

[0028] The electronic control assembly 4 is accommodated and fixed in the handle housing assembly 3.

[0029] In order to quickly and conveniently fix the air duct housing assembly 1 and the handle housing assembly 3 into one body, reduce the assembly parts and assembly steps of the air duct housing assembly 1 and the handle housing assembly 3, and avoid misassembly and loss during assembly, the air duct housing assembly 1 and the handle housing assembly 3 are fixed to each other through an insertion sleeve bonding structure.

[0030] The electronic control assembly 4 is electrically connected to the fan 2.

[0031] Specifically, the insertion sleeve bonding structure includes an installation convex position 111 provided on the outer side of the air duct housing assembly 1, and an installation inner edge 311 provided on the inner side of the upper opening of the handle housing assembly 3. In fact, the installation convex position 111 is an annular rib structure integrally formed on the surface of the air duct housing assembly 1, and the installation inner edge 311 is the inner surface structure at the upper opening of the handle housing assembly 3. The two can be in transition fit or interference fit; the installation convex position 111 of the air duct housing assembly 1 is inserted into the installation inner edge 311 of the handle housing assembly 3, and the installation convex position 111 of the air duct housing assembly 1 and the installation inner edge 311 of the handle housing assembly 3 are fixed by adhesive bonding.

[0032] Specifically, the air duct housing assembly 1 includes a main air duct housing member 11, an air outlet housing member 12 fixed to one end of the main air duct housing member 11, and an inner fixing member 13 fixed to the other end of the main air duct housing member 11. Among them, the main air duct housing member 11 is a cylindrical housing made of engineering plastic, the air outlet housing member 12 is also a cylindrical housing made of engineering plastic, and the inner fixing member 13 is an annular member made of engineering plastic. The above three are all integrally formed structures. The installation convex position 111 of the socket bonding structure is integrally formed on the outer side of the main air duct housing member 11. The inner fixing member 13 is located at the air inlet 20 of the air duct housing assembly 1, and the outlet end of the air outlet housing member 12 serves as the air outlet 30 of the air duct housing assembly 1. The fan 2 is accommodated in the main air duct housing member 11 of the air duct housing assembly 1, and the air outlet housing member 12 and the inner fixing member 13 respectively abut against the fan 2 from both ends to fix the fan 2.

[0033] More specifically, in the air duct housing assembly 1: a front fixing position 122 is arranged at one end of the air outlet housing member 12 close to the inner side of the main air duct housing member 11, and a rear fixing position 132 is arranged at one end of the inner fixing member 13 close to the inner side of the main air duct housing member 11. The front fixing position 122 of the air outlet housing member 12 abuts against the fan 2, and the rear fixing position 132 of the inner fixing member 13 abuts against the fan 2 to fix the fan 2. In this embodiment, the front fixing position 122 of the air outlet housing member 12 is a mounting seat structure, which can support the rear section of the high-speed motor of the fan 2, and the rear fixing position 132 of the inner fixing member 13 is the end face of the inner fixing member 13, which can abut against the end face of the fan 2. By fixing the fan 2 in a front and rear fixing manner through the air outlet housing member 12 and the inner fixing member 13, screw-free, buckle-free, and glue-free assembly of the fan 2 is realized.

[0034] Specifically, a first inner buckle position 112 is formed on the inner wall of the main air duct housing member 11. The first inner buckle position 112 is actually a buckle hook integrally formed on the inner wall of the main air duct housing member 11. A first outer buckle position 121 matching the first inner buckle position 112 is formed on the outer side of the air outlet housing member 12. The first outer buckle position 121 is actually a buckle groove integrally formed on the outer wall of the air outlet housing member 12. The first outer buckle position 121 of the air outlet housing member 12 is buckled with the first inner buckle position 112 of the main air duct housing member 11 to fix the air outlet housing member 12 to one end of the main air duct housing member 11.

[0035] Specifically, a second internal buckling position 113 is formed on the inner wall of the main air duct shell member 11. The second internal buckling position 113 is actually a buckle hook integrally formed on the inner wall of the main air duct shell member 11; a second external buckling position 131 matching the second internal buckling position 113 is formed on the outer side of the internal fixing member 13. The second external buckling position 131 is actually a buckle convex position integrally formed on the outer ring of the internal fixing member 13; the second external buckling position 131 of the internal fixing member 13 and the second internal buckling position 113 of the main air duct shell member 11 are buckled with each other to fix the internal fixing member 13 at the other end of the main air duct shell member 11.

[0036] Further, the air duct shell assembly 1 further includes a grille plate member 14. The grille plate member 14 is a circular plate-shaped member made of engineering plastic and is provided with a plurality of mesh holes to form a grille; the grille plate member 14 is press-fitted and fixed in the air outlet shell member 12 through the internal fixing member 13 and is located at the air inlet 20 of the air duct shell assembly 1.

[0037] Assembling the air duct shell assembly 1 in the above fixing manner realizes the assembly of the main air duct shell member 11, the air outlet shell member 12, the internal fixing member 13, the grille plate member 14 and the fan 2 without screws and adhesives.

[0038] Specifically, the handle shell assembly 3 includes a main handle shell member 31 and a handle bottom cover member 32; wherein, the main handle shell member 31 is a cylindrical-like shell made of engineering plastic, and the handle bottom cover member 32 is a cover body made of engineering plastic; the electronic control assembly 4 is accommodated and fixed in the main handle shell member 31 of the handle shell assembly 3, and the handle bottom cover member 32 is covered and fixed at one end of the main handle shell member 31 (the two are fixedly combined by means of buckles); the installation inner edge 311 of the socket bonding structure is located at the opening end of the main handle shell member 31.

[0039] Further, a plurality of groove structures 1111 are formed on the surface of the installation convex position 111 of the socket bonding structure. In this embodiment, a plurality of circumferentially distributed strip-shaped grooves are formed on the surface of the installation convex position 111 to form the groove structures 1111; setting the groove structures 1111 can prevent the installation convex position 111 and the installation inner edge 311 from overflowing glue during bonding cooperation, and increase the adhesive area of the glue, thereby improving the mechanical strength of the socket bonding structure.

[0040] Further specifically, the electric control component 4 includes a drive circuit board 41 and a battery 42. Among them, the drive circuit board 41 is a printed circuit board (PCB), which is equipped with a main control, a motor drive module / chip for driving the fan 2 to operate, and necessary peripheral circuits. The battery 42 is a rechargeable lithium battery. Both the drive circuit board 41 and the battery 42 of the electric control component 4 are accommodated and fixed in the main handle shell member 31 of the handle shell assembly 3 (specifically fixed by screws, snap positions or adhesives). Moreover, the drive circuit board 41 is electrically connected to the fan 2 and the battery 42 respectively (specifically electrically connected by wires with connectors). A charging interface 412 is mounted on the drive circuit board 41. The charging interface 412 is a Type-C interface or a MicroUSB interface, which is mounted on the drive circuit board 41 in a plug-in form. The charging interface 412 on the drive circuit board 41 passes through the main handle shell member 31 of the handle shell assembly 3, and is arranged in this way to provide a charging function for the battery 42. A switch 411 is also mounted on the drive circuit board 41. The switch 411 is a micro switch, which is mounted on the drive circuit board 41 in a plug-in form. A button 33 is embedded at the main handle shell member 31. The button 33 is a plastic button or a silicone button. The button 33 at the main handle shell member 31 is aligned with the switch 411 on the drive circuit board 41. When the button 33 is pressed, the switch 411 can be triggered, so as to realize the on / off and speed gear adjustment of the fan 2.

[0041] For the easy-to-assemble handheld high-speed fan of this embodiment, during assembly, through the snap structures (i.e., the first inner snap position 112, the first outer snap position 121, and the second inner snap position 113, the second outer snap position 131), it is possible to assemble the main air duct shell member 11, the air outlet shell member 12, the inner fixing member 13, the grille plate member 14 and the fan 2 without screws and adhesives, forming the air duct shell assembly 1. Then, the handle shell assembly 3 and the electric control component 4 are pre-assembled. Subsequently, the installation convex position 111 of the air duct shell assembly 1 is inserted into the installation inner edge 311 of the handle shell assembly 3, and the installation convex position 111 of the air duct shell assembly 1 and the installation inner edge 311 of the handle shell assembly 3 are fixed by adhesive bonding, that is, the assembly process of the easy-to-assemble handheld high-speed fan of this embodiment is completed. The overall assembly process has fewer snap positions and bonding positions, effectively reducing the assembly parts and assembly steps of the air duct shell assembly 1 and the handle shell assembly 3, and avoiding misassembly and loss during assembly. The air duct shell assembly 1 and the handle shell assembly 3 are fixed to each other through the plug-in bonding structure.

[0042] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hand-held high-speed fan that is easy to assemble, characterized in that, It includes an air duct housing assembly, a fan, a handle housing assembly, and an electronic control assembly; The inner cavity of the air duct housing assembly defines a cylindrical air inlet and outlet passage, and the air inlet and outlet passage extends along a straight line direction. The two ends of the air inlet and outlet passage are respectively the air inlet and the air outlet of the air duct housing assembly; The fan is accommodated and fixed in the air duct housing assembly, and is used to drive air flow to enter the air inlet and outlet passage from the air inlet of the air duct housing assembly, and jet out from the air outlet of the air duct housing assembly; The electronic control assembly is accommodated and fixed in the handle housing assembly; The air duct housing assembly and the handle housing assembly are fixed to each other through a socket bonding structure; The electronic control assembly is electrically connected to the fan.

2. The easy-to-assemble handheld high-speed fan according to claim 1, wherein The socket bonding structure includes a mounting convex position provided on the outer side of the air duct housing assembly, and a mounting inner edge provided on the inner side of the upper opening of the handle housing assembly; The mounting convex position of the air duct housing assembly is inserted into the mounting inner edge of the handle housing assembly, and the mounting convex position of the air duct housing assembly and the mounting inner edge of the handle housing assembly are fixedly bonded through adhesive; 3. The handheld high-speed fan that is easy to assemble according to claim 2, wherein Several slot structures are formed on the surface of the mounting convex position of the socket bonding structure.

4. The easy-to-assemble handheld high-speed fan according to claim 2 or 3, characterized in that, The air duct housing assembly includes a main air duct housing member, an air outlet housing member fixed to one end of the main air duct housing member, and an inner fixing member fixed to the other end of the main air duct housing member; The mounting convex position of the socket bonding structure is integrally formed on the outer side of the main air duct housing member; The inner fixing member is located at the air inlet of the air duct housing assembly, and the outlet end of the air outlet housing member is the air outlet of the air duct housing assembly; The fan is accommodated in the main air duct housing member of the air duct housing assembly, and the air outlet housing member and the inner fixing member respectively abut against the fan from both ends to fix the fan.

5. The handheld high-speed fan that is easy to assemble according to claim 4, characterized in that, In the air duct housing assembly: a front fixing position is arranged at one end of the air outlet housing member close to the inner side of the main air duct housing member, and a rear fixing position is arranged at one end of the inner fixing member close to the inner side of the main air duct housing member; The front fixing position of the air outlet housing member abuts against the fan, and the rear fixing position of the inner fixing member abuts against the fan to fix the fan.

6. The easy-to-assemble handheld high-speed fan according to claim 4, wherein A first inner buckle position is formed at the inner wall of the main air duct housing member; A first outer buckle position matching the first inner buckle position is formed on the outer side of the air outlet housing member; The first outer buckle position of the air outlet housing member and the first inner buckle position of the main air duct housing member are buckled with each other to fix the air outlet housing member at one end of the main air duct housing member.

7. The easy-to-assemble handheld high-speed fan according to claim 4, characterized in that, A second inner buckle position is formed at the inner wall of the main air duct housing member; A second outer buckle position matching the second inner buckle position is formed on the outer side of the inner fixing member; The second outer buckle position of the inner fixing member and the second inner buckle position of the main air duct housing member are buckled with each other to fix the inner fixing member at the other end of the main air duct housing member.

8. The easy-to-assemble hand-held high-speed fan according to claim 4, characterized in that, The air duct housing assembly further includes a grille plate member; The grille plate member is press-fitted and fixed in the air outlet housing member through the inner fixing member and is located at the air inlet of the air duct housing assembly.

9. The handheld high-speed fan according to claim 2, characterized in that, The handle housing assembly includes a main handle housing member and a handle bottom cover member; The electronic control component is accommodated and fixed in the main handle housing component of the handle housing assembly, and the handle bottom cover component is covered and fixed at one end of the main handle housing component; The installation inner edge of the socket bonding structure is located at the open end of the main handle housing component.

10. The easy-to-assemble hand-held high-speed fan according to claim 9, wherein The electronic control component includes a drive circuit board and a battery; Both the drive circuit board and the battery of the electronic control component are accommodated and fixed in the main handle housing component of the handle housing assembly, and the drive circuit board is electrically connected to the blower and the battery respectively; A charging interface is mounted on the drive circuit board, and the charging interface on the drive circuit board passes through the main handle housing component of the handle housing assembly; A switch is also mounted on the drive circuit board, a button is embedded in the main handle housing component, the button at the main handle housing component is aligned with the switch on the drive circuit board, and when the button is pressed, the switch can be triggered.

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