Fan with replaceable air outlet head

Abstract

The utility model provides a fan with a replaceable air outlet head, which comprises a hand-held piece, a rechargeable power supply is arranged in the hand-held piece, a mounting groove is arranged at one end of the hand-held piece, and a first air outlet piece or a second air outlet piece is detachably mounted in the mounting groove to serve as two different air outlet devices; the air inlet end of the second air outlet piece is detachably provided with a dust collection filtering assembly, the dust collection filtering assembly is internally provided with a dust collection cavity communicated with the inner cavity of the second air outlet piece, and the dust collection filtering assembly is used as dust collection equipment. Therefore, the requirements for different wind power fans in different scenes are met, and the application range is wide. On the basis that the second air outlet piece is installed on the handheld piece, the dust collection filtering assembly is installed, the fan with the air blowing function can be used as dust collection equipment, and the requirement of a user for daily dust collection work is met.

Description

Technical Field

[0001] The utility model relates to the technical field of multifunctional fans, in particular to a fan with a replaceable air outlet. Background Art

[0002] At present, the existing handheld fans have problems such as insufficient wind force and a single application scenario because the internal fan cannot be disassembled. In addition, the main component of the vacuum cleaner is also a fan, but the traditional handheld fan can only be used as a hair dryer and cannot meet the daily vacuuming needs. As a result, two sets of equipment need to be purchased for home use, which undoubtedly increases the cost of use. Moreover, when going out on a daily basis, the use of power banks is becoming more and more frequent. How to combine the fan and power bank functions also poses a challenge to manufacturers. Therefore, how to provide a modular fan structure with different wind forces and different scene requirements while having both vacuuming and power bank functions is a problem that the inventor needs to solve. Utility Model Content

[0003] The utility model provides a fan with a replaceable air outlet to solve the problems in the above background art that the existing handheld fans cannot replace the air outlets with different wind speeds and directions and cannot have both the dust collection function and the power bank function.

[0004] The technical solution of the present utility model is achieved as follows:

[0005] A fan with a replaceable air outlet head comprises: a handpiece with a built-in rechargeable power supply, a mounting slot provided at one end thereof, the mounting slot being detachably mounted with a first air outlet member or a second air outlet member, serving as two different air outlet devices;

[0006] A dust collection filter assembly is detachably mounted on the air inlet end of the second air outlet member. The dust collection filter assembly is equipped with a dust collecting cavity that is in communication with the inner cavity of the second air outlet member and is used as a dust collection device.

[0007] Preferably, the first air outlet member is detachably mounted on the mounting slot of the handpiece, and has a first fan built therein. A louver for adjusting the air volume and direction is provided at the air outlet end thereof.

[0008] Preferably, the second air outlet member is detachably mounted on the mounting slot of the handpiece, has a second blower built in it, and has an air nozzle mounted on its air outlet end.

[0009] Preferably, the mounting groove of the handpiece is a T-shaped groove, and the lower ends of the first air outlet piece and the second air outlet piece are provided with convex strips that slide in cooperation with the mounting groove, and the convex strips can be placed in the mounting groove.

[0010] Preferably, the root of the mounting slot has an inwardly concave groove, and the lower surfaces of the first air outlet member and the second air outlet member are provided with lifting members, and the ends of the lifting members can be placed in the groove to achieve a positioning effect.

[0011] Preferably, the side of the handpiece is provided with a function button and a switch button, the end face of the handpiece is provided with a power input socket and a lighting lamp, and the handpiece is provided with at least one charging cable for connecting to an external device and charging the external device.

[0012] Preferably, the first air outlet member includes a casing, the casing has a rectangular structure, and the first fan is installed inside the casing; the louver has multiple blades and is rotatably installed at the air outlet end of the casing through a rotating shaft, and the rotating shaft is located at the end position of the louver. A louver connecting frame is provided inside the casing, and the louver connecting frame is rotatably matched with each louver, and is configured to drive the louver to rotate around the axis of the rotating shaft when the louver connecting frame moves up and down.

[0013] Preferably, it also includes a knob, which is arranged outside the casing and connected to the rotating shaft at the end of one of the louvers, and is configured to drive the louver to rotate, and rotate all the louvers under the drive of the louver connecting frame.

[0014] Preferably, the second air outlet member includes a shell, the second fan is arranged in the shell, and an air nozzle is detachably connected to the air outlet end of the shell, and the air outlet cross-sectional area of ​​the air nozzle gradually decreases from the inside to the outside.

[0015] Preferably, the dust collection and filtering assembly includes an adapter sleeve, a filter screen, a cover shell and a suction nozzle. The outer end of the adapter sleeve can be detachably connected to the air inlet end of the second air outlet piece. The adapter sleeve is connected to the cover shell, and the filter screen is installed in the cover shell. The suction nozzle is connected to the front end of the cover shell.

[0016] By adopting the above technical solution, the beneficial effects of the utility model are:

[0017] (1) The utility model adopts a modular structural design, which enables different air outlet parts to be installed on the handpiece, thereby meeting the requirements of different wind fans in different scenarios and having the advantage of a wide range of applications;

[0018] (2) The present invention installs a dust collection and filtering assembly on the basis of installing a second air outlet on the handpiece, which can transform the fan with a blowing function into a dust collection device, thus meeting the user's needs for daily dust collection work;

[0019] (3) Due to the modular structure of the present invention, the handpiece can be used alone as a power bank, which can meet the daily charging needs of mobile phones or other mobile devices when going out. It has the advantage of being easy to carry, and the lighting at the end of the handpiece can be used as emergency lighting, thereby further improving the functionality of the fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0021] Figure 1 This is a structural diagram of the handheld component and the first air outlet component after being assembled;

[0022] Figure 2 This is a structural diagram of the handheld component and the second air outlet component after being assembled;

[0023] Figure 3 This is a structural diagram of the handpiece, the second air outlet piece and the dust collection and filtering assembly of the present invention after being assembled;

[0024] Figure 4 This is an exploded view of the handpiece, the first air outlet piece, the second air outlet piece, and the dust suction and filter assembly of the present invention;

[0025] Figure 5 The three-dimensional handpiece of the utility model Figure 1 ;

[0026] Figure 6 The three-dimensional handpiece of the utility model Figure 2 ;

[0027] Figure 7 This is an exploded view of the first air outlet assembly of the present invention;

[0028] Figure 8 This is a partial internal structural diagram of the first air outlet assembly of the present invention;

[0029] Figure 9 This is a three-dimensional diagram of the second air outlet assembly of the present invention;

[0030] Figure 10 This is a cross-sectional view of the second air outlet assembly of the present invention;

[0031] Figure 11 This is an exploded view of the dust collection and filtering assembly of the present invention.

[0032] in:

[0033] 1. Handpiece; 101. Mounting slot; 102. Groove; 103. Switch button; 104. Function button; 105. Light; 106. Power input socket; 107. Charging cable;

[0034] 2. First air outlet; 201. Casing; 202. First fan; 203. Louver; 2031. Rotating shaft; 204. Louver connecting frame; 205. Knob;

[0035] 3. Second air outlet; 301. Housing; 302. Nozzle; 303. Second fan

[0036] 4. Dust collection and filtering assembly; 401. Adapter sleeve; 402. Filter; 403. Cover; 404. Suction nozzle. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0038] like Figure 1-11 As shown, a fan with a replaceable air outlet includes a handpiece 1, a first air outlet 2, a second air outlet 3 and a dust collection filter assembly 4.

[0039] The handpiece 1 has a built-in rechargeable power supply, specifically a rechargeable battery or lithium battery, which provides power to the different air outlet components of the fan and can also be used as a power bank to charge external devices; a mounting slot 101 is provided at one end thereof for connecting different types of air outlet components;

[0040] Specifically, the mounting groove 101 of the handpiece 1 is a T-shaped groove, and the lower ends of the first air outlet piece 2 and the second air outlet piece 3 are provided with a convex strip that slides with the mounting groove 101. The convex strip can be placed in the mounting groove 101, that is, the first air outlet piece 2 and the second air outlet piece 3 can be installed in the mounting groove 101 in a sliding manner to achieve connection with the handpiece 1, and after the connection, the contact piece on the handpiece 1 can contact the contact pieces of the two air outlet pieces, thereby achieving the circuit connection effect. The method of inserting the convex strips at the lower ends of the first air outlet piece 2 and the second air outlet piece 3 into the mounting groove 101 to achieve sliding docking belongs to the conventional structural design in the prior art and will not be elaborated on here. In addition, in addition to this sliding docking method, detachable methods such as plug-in and threaded connection can also be used to achieve the docking work of the handpiece with different air outlet pieces, which is not limited here.

[0041] Specifically, the root position of the mounting groove 101 has an inwardly concave groove 102, and the lower surfaces of the first air outlet piece 2 and the second air outlet piece 3 are provided with a lifting piece, and the end of the lifting piece can be placed in the groove 102 to achieve a positioning effect. More specifically, the lifting piece can be a spring plunger, and the steel ball at its end can be placed in the groove 102 under the action of the spring, thereby preventing the first air outlet piece 2 or the second air outlet piece 3 from easily detaching from the handpiece 1, so as to make the connection between the two air outlet pieces and the handpiece 1 more firmly and the structure more stable; in addition, the lifting piece can also adopt a positioning pin matching the groove 102, and the positioning pin is also installed under the first air outlet piece 2 or the second air outlet piece 3 by a spring to achieve a locking effect.

[0042] More specifically, a function button 104 and a switch button 103 are provided on the side of the handpiece 1. The switch button 103 is a power switch for achieving circuit conduction. The function button 104 is mainly used for adjusting the wind force of different air outlets, so that each air outlet has a multi-gear adjustment effect, and the scope of application is wider; the end face of the handpiece 1 is provided with a power input socket 106 and a lighting lamp 105, wherein the power input socket 106 is a Type-C socket, which is mainly used to charge the internal rechargeable power supply, and the lighting lamp 105 is used to provide lighting in dimly lit places; the handpiece 1 is provided with at least one charging cable 107 for connecting to an external device and charging the external device. In this example, there are three charging cables 107, and three external devices can be connected at the same time for charging.

[0043] The first air outlet member 2 is detachably mounted on the mounting slot 101 of the handpiece 1 , and has a built-in first fan 202 . A louver 203 is provided at the air outlet end thereof for adjusting the air volume and direction.

[0044] Specifically, the first air outlet member 2 includes a housing 201 , the housing 201 has a rectangular structure, and the first fan 202 is installed inside the housing 201 .

[0045] Specifically, the louver 203 has multiple louvers 203 and is rotatably installed at the air outlet end of the casing 201 through a rotating shaft 2031. The rotating shaft 2031 is located at the end position of the louver 203. A louver connecting frame 204 is provided inside the casing 201. The louver connecting frame 204 is rotatably matched with each louver 203, and is configured to drive the louver 203 to rotate around the axis of the rotating shaft 2031 when the louver connecting frame 204 moves up and down. When the louver 203 rotates around the axis of the rotating shaft 2031, the space between two adjacent louvers 203 can change, and the opening and closing angles of the louver 203 can be used to adjust the air volume and air direction.

[0046] Specifically, it also includes a knob 205, which is arranged on the outside of the casing 201 and is connected to the rotating shaft 2031 at the end of one of the louvers 203. It is configured to drive the louver 203 to rotate and rotate all the louvers 203 under the drive of the louver connecting frame 204, thereby adjusting the space between two adjacent louvers 203 to achieve the adjustment of air volume and wind direction.

[0047] The second air outlet member 3 is detachably mounted on the mounting slot 101 of the handpiece 1, and has a built-in second fan 303. A nozzle 302 is installed at the air outlet end thereof. The second fan 303 and the first fan 202 can respectively adopt fan structures of different powers and types. For example, one can be a violent fan and the other can be an ordinary fan. This can make the air outlet speed, applicable occasions, etc. of the first air outlet member 2 and the second air outlet member 3 significantly different, so as to expand the scope of application.

[0048] Specifically, the second air outlet component 3 includes a shell 301, the second fan 303 is arranged in the shell 301, and the air nozzle 302 is detachably connected to the air outlet end of the shell 301. The air outlet cross-sectional area of ​​the air nozzle 302 gradually decreases from the inside to the outside, wherein the air nozzle 302 is connected to the shell 301 by magnetic attraction, which has the advantages of easy disassembly and assembly and firm connection.

[0049] The dust collection filter assembly 4 is detachably mounted on the air inlet end of the second air outlet member 3 , and has a built-in dust collecting cavity, which is communicated with the inner cavity of the second air outlet member 3 .

[0050] Specifically, the dust collection and filtering assembly 4 includes an adapter sleeve 401, a filter 402, a cover 403, and a suction nozzle 404. The outer end of the adapter sleeve 401 can be detachably connected to the air inlet end of the second air outlet member 3. The adapter sleeve 401 is connected to the cover 403, and the filter 402 is installed in the cover 403. The suction nozzle 404 is connected to the front end of the cover 403. The adapter sleeve 401 can be made of silicone material and is connected to the air inlet end of the second air outlet member 3 by plugging and unplugging. It has the characteristics of good sealing effect and stable structure. The cross-sectional area of ​​the suction nozzle 404 is much smaller than the cross-sectional area of ​​the cover 403, and can be used for dust collection work in small spaces such as vehicles and keyboards. The inner cavity of the cover 403 is the dust collection cavity. The filter 402 is installed at one end of the dust collection cavity close to the adapter sleeve 401. The filter 402 can be used to keep the inhaled debris in the dust collection cavity.

[0051] Among them, the handpiece 1 can be installed with the first air outlet member 2 or the second air outlet member 3 at the same time, as two different air outlet devices. The two different air outlet devices mainly produce different blowing effects based on the different structures and types of the first fan 202 and the second fan 303, such as an ordinary hair dryer and a violent fan with super strong wind effect; and the second air outlet member 3 can also be installed with a dust collection filter assembly 4 to be used as a dust collection device, thereby meeting daily dust collection needs. In addition, the handpiece 1 can be used alone as a power bank, which is easy to carry and can use three different charging cables 107 to charge different devices. The handpiece 1 can also be used as a lighting device to provide emergency lighting in dimly lit places.

[0052] This fan with replaceable air outlet adopts a modular structure design, which can quickly realize the assembly between different modules according to different usage scenarios. It has the advantages of convenient disassembly and assembly, wide application scenarios and easy portability.

[0053] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A fan with a replaceable air outlet, characterized in that: include: A handheld device (1) has a built-in rechargeable power supply and is provided with a mounting slot (101) at one end thereof, wherein the mounting slot (101) is detachably mounted with a first air outlet member (2) or a second air outlet member (3) as two different air outlet devices; A dust collecting filter assembly (4) is detachably mounted on the air inlet end of the second air outlet member (3). The dust collecting filter assembly (4) is internally provided with a dust collecting cavity that is in communication with the inner cavity of the second air outlet member (3) and is used as a dust collecting device.

2. A fan with a replaceable air outlet according to claim 1, characterized in that: The first air outlet member (2) is detachably mounted on the mounting slot (101) of the handheld member (1), and has a built-in first fan (202). A louver (203) for adjusting air volume and direction is provided at the air outlet end.

3. The fan with a replaceable air outlet according to claim 1, characterized in that: The second air outlet member (3) is detachably mounted on the mounting slot (101) of the handheld member (1), and has a second fan (303) built therein, with an air nozzle (302) mounted at its air outlet end.

4. The fan with a replaceable air outlet according to claim 1, characterized in that: The mounting groove (101) of the handpiece (1) is a T-shaped groove, and the lower ends of the first air outlet piece (2) and the second air outlet piece (3) are provided with convex strips that slidably cooperate with the mounting groove (101), and the convex strips can be placed in the mounting groove (101).

5. The fan with a replaceable air outlet according to claim 2, characterized in that: The root of the installation groove (101) is provided with an inwardly concave groove (102), and the lower surfaces of the first air outlet member (2) and the second air outlet member (3) are provided with lifting members, and the ends of the lifting members can be placed in the groove (102) to achieve a positioning effect.

6. The fan with a replaceable air outlet according to claim 1, characterized in that: The handheld device (1) is provided with a function button (104) and a switch button (103) on its side, and a power input socket (106) and an illumination lamp (105) on its end face. The handheld device (1) is provided with at least one charging cable (107) for connecting to and charging an external device.

7. The fan with a replaceable air outlet according to claim 2, characterized in that: The first air outlet member (2) comprises a housing (201), the housing (201) having a rectangular shape, and the first fan (202) being installed inside the housing (201); the louver blades (203) having a plurality of louver blades (203) are rotatably installed at the air outlet end of the housing (201) via a rotating shaft (2031), the rotating shaft (2031) being located at the end of the louver blades (203), and a louver connecting frame (204) is provided inside the housing (201), the louver connecting frame (204) being rotatably matched with each louver blade (203), and being configured to drive the louver blades (203) to rotate around the axis of the rotating shaft (2031) when the louver connecting frame (204) moves up and down.

8. The fan with a replaceable air outlet according to claim 7, characterized in that: The machine further comprises a knob (205), which is arranged outside the housing (201) and connected to a rotating shaft (2031) at the end of one of the louvers (203), and is configured to drive the louver (203) to rotate, and to rotate all the louvers (203) under the drive of the louver connecting frame (204).

9. The fan with a replaceable air outlet according to claim 3, characterized in that: The second air outlet member (3) comprises a housing (301), the second fan (303) is arranged in the housing (301), and a nozzle (302) is detachably connected to the air outlet end of the housing (301), and the air outlet cross-sectional area of ​​the nozzle (302) gradually decreases from the inside to the outside.

10. The fan with a replaceable air outlet according to claim 1, characterized in that: The dust collection and filtering assembly (4) comprises an adapter sleeve (401), a filter screen (402), a cover (403) and a suction nozzle (404); the outer end of the adapter sleeve (401) can be detachably connected to the air inlet end of the second air outlet member (3); the adapter sleeve (401) is connected to the cover (403), and the filter screen (402) is installed in the cover (403); and the suction nozzle (404) is connected to the front end of the cover (403).

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