CN218882553U

CN218882553U - Large-wind-force handheld fan

Info

Publication number: CN218882553U
Application number: CN202222899733.6U
Authority: CN
Inventors: 王新院
Original assignee: Henan Chuangyuan Electronic Technology Co ltd
Current assignee: Henan Chuangyuan Electronic Technology Co ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-04-18
Anticipated expiration: 2032-11-01

Abstract

The utility model discloses a fan is handed to big wind-force, which comprises a housing, the top fixedly connected with back fan housing of casing, the inside of back fan housing is equipped with two flabellums, the back joint of casing has the back lid, the inside fixed mounting of casing has driving motor, the back of back fan housing rotates respectively through the bearing and is connected with two first gears and second gear, every first gear all meshes with the second gear mutually, every the front of first gear all is through connecting axle and flabellum fixed connection, driving motor's output and second gear fixed connection. This device supplies power for driving motor through the battery, presses control switch, can make driving motor rotate, and driving motor drives the second gear rotation, and the second gear adopts 1:2's drive ratio design with first gear, accelerates through first gear drive, makes flabellum slew velocity faster to there are a plurality of flabellums, thereby it is bigger to reach wind-force, effect cooler.

Description

Large-wind-force handheld fan

Technical Field

The utility model belongs to the technical field of the fan technique and specifically relates to a fan is handed to big wind-force.

Background

The fan is a device which is driven by electricity to generate air flow, the fan arranged in the fan is electrified and then rotates to generate natural wind to achieve a cooling effect, and the fan is various in types including a table type and a floor type.

With the progress of social development, the handheld fan becomes a cooling mode for outdoor use in summer, but most of the existing handheld fans adopt motors to directly drive fan blades to rotate, the rotating efficiency of the fan blades is low, and the wind speed of the fan blades is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fan is handed to big wind-force to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a fan is handed to big wind-force, includes the casing, the top fixedly connected with back fan housing of casing, the inside of back fan housing is equipped with two flabellums, the back joint of casing has the back lid, the inside fixed mounting of casing has driving motor, the back of back fan housing rotates respectively through the bearing and is connected with two first gears and second gear, every first gear all meshes with the second gear mutually, every the front of first gear all is through connecting axle and flabellum fixed connection, driving motor's output and second gear fixed connection.

In a further embodiment, the bottom end of the casing and the bottom end of the rear cover are jointly clamped with a bottom cover, a charging port is fixedly embedded in the bottom end of the bottom cover, and a storage battery is fixedly mounted inside the casing.

In a further embodiment, a control switch is fixedly mounted on the front surface of the casing, and the control switch is electrically connected with the storage battery and the driving motor respectively through a circuit board.

In a further embodiment, the front surface of the rear fan housing is clamped with the front fan housing.

In a further embodiment, the first and second gears are of a ratio design.

Compared with the prior art, the beneficial effects of the utility model are that:

this device supplies power for driving motor through the battery, presses control switch, can make driving motor rotate, and driving motor drives the second gear rotation, and the second gear adopts 1:2's drive ratio design with first gear, accelerates through first gear drive, makes flabellum slew velocity faster to there are a plurality of flabellums, thereby reach wind-force bigger, the effect of more cool fast.

Drawings

Fig. 1 is a schematic perspective view of a high-wind handheld fan.

Fig. 2 is a schematic view of an installation structure of a rear fan cover and fan blades in a high-wind handheld fan.

FIG. 3 is a side cross-sectional view of a housing of a high wind hand held fan.

FIG. 4 is a rear cross-sectional view of a housing of a high wind hand held fan.

Fig. 5 is an exploded view of the hand-held fan with high wind power.

In the figure: 1. a housing; 2. a rear cover; 3. a bottom cover; 4. a front fan housing; 5. a rear fan cover; 6. a control switch; 7. a fan blade; 8. a drive motor; 9. a second gear; 10. a battery; 11. a first gear; 12. and a charging port.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Please refer to fig. 1-5, in the utility model, a large wind power hand-held fan, including casing 1, top fixedly connected with back fan housing 5 of casing 1, the inside of back fan housing 5 is equipped with two flabellums 7, the back joint of casing 1 has back lid 2, the inside fixed mounting of casing 1 has driving motor 8, the back of back fan housing 5 rotates respectively through the bearing and is connected with two first gears 11 and second gear 9, every first gear 11 all meshes with second gear 9 mutually, every first gear 11 openly all through connecting axle and flabellum 7 fixed connection, driving motor 8's output and second gear 9 fixed connection.

The bottom of casing 1 and the common joint in bottom of back lid 2 have bottom 3, the bottom mounting of bottom 3 inlays and has charging port 12, the inside fixed mounting of casing 1 has battery 10, through the charging port 12 of bottom 3 bottoms, conveniently supply power to battery 10, the positive fixed mounting of casing 1 has control switch 6, control switch 6 is connected with

battery

10 and 8 electricity of driving motor respectively through the circuit board, conveniently control handheld fan through control switch 6.

The front side of the rear fan housing 5 is clamped with the front fan housing 4, the front fan housing 4 is matched with the rear fan housing 5 to achieve the effect of safety protection, the first gear 11 and the second gear 9 are designed by adopting a transmission ratio of 2:1, and when the second gear 9 rotates for one circle, the first gear 11 drives the fan blades 7 to rotate for two circles.

The utility model discloses a theory of operation is:

when the fan is used, firstly, the storage battery 10 is charged through the charging port 12 at the bottom of the bottom cover 3, the control switch 6 is pressed, the control switch 6 is connected with the storage battery 10 and the driving motor 8, the storage battery 10 supplies power to the driving motor 8, the driving motor 8 drives the second gear 9 to rotate, the second gear 9 is meshed with the first gear 11, the second gear 9 and the first gear 11 adopt the transmission ratio design of 1:2, when the second gear 9 rotates for one circle, the first gear 11 drives the fan blades 7 to rotate for two circles, the rotating speed of the fan blades 7 is increased, and the fan has larger wind power.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. The utility model provides a fan is handed to big wind-force which characterized in that: including casing (1), top fixedly connected with back fan housing (5) of casing (1), the inside of back fan housing (5) is equipped with two flabellums (7), the back joint of casing (1) has back lid (2), the inside fixed mounting of casing (1) has driving motor (8), the back of back fan housing (5) rotates respectively through the bearing and is connected with two first gears (11) and second gear (9), every first gear (11) all mesh mutually with second gear (9), every the front of first gear (11) all is through connecting axle and flabellum (7) fixed connection, the output and second gear (9) fixed connection of driving motor (8).

2. A high wind hand-held fan according to claim 1, characterised in that: the bottom of casing (1) and the common joint in bottom of back lid (2) have bottom (3), the bottom mounting of bottom (3) inlays and has charging mouth (12), the inside fixed mounting of casing (1) has battery (10).

3. A high wind hand-held fan according to claim 1, characterised in that: the front face of the casing (1) is fixedly provided with a control switch (6), and the control switch (6) is electrically connected with the storage battery (10) and the driving motor (8) through a circuit board respectively.

4. A high wind hand-held fan according to claim 1, characterised in that: the front side of the rear fan housing (5) is clamped with a front fan housing (4).

5. A high wind hand-held fan according to claim 1, characterised in that: the first gear (11) and the second gear (9) adopt a 2:1 transmission ratio design.