CN218624693U

CN218624693U - DC desktop type suspension fan

Info

Publication number: CN218624693U
Application number: CN202221633123.5U
Authority: CN
Inventors: 陈进波
Original assignee: Rui Ming Technology Dongguan Co ltd
Current assignee: Rui Ming Technology Dongguan Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2023-03-14
Anticipated expiration: 2032-06-27

Abstract

The utility model discloses a direct current desktop formula suspension fan, including the fan front shroud, fan back shroud base lower cover, the base upper cover, electric core and step motor, fan front shroud surface is provided with the front shroud draw-in groove, fan front shroud one side is provided with the center, center one side is provided with the fan back shroud, be provided with the flabellum between fan front shroud and the center, fan back shroud below is provided with the stay tube, stay tube bottom threaded connection has the base upper cover, fixed mounting has the base lower cover under the base upper cover, fixed mounting has the PCBA board between base upper cover and the base lower cover, through be provided with electric core in the base, can charge the discharge treatment through the electric core that sets up, thereby can guarantee this fan under the condition of having a power failure, better energy-concerving and environment-protective effect has, under the built-in battery power supply condition of use, a shelves operating time can reach 20 hours, possess simultaneously and fill the limit and put the function, sustainable use, step motor through the setting, the level and smooth switching of the amount of wind, soft output, the silence is effectual, and suitable for use.

Description

DC desktop type suspension fan

Technical Field

The utility model relates to an electric fan field specifically is direct current desktop formula suspension fan.

Background

An electric fan, also called fan and fanner, is a household electrical appliance which uses an electric motor to drive fan blades to rotate so as to accelerate the circulation of air, and is mainly used for cooling and relieving summer heat and circulating air. The fan is widely used in places such as families, classrooms, offices, shops, hospitals, hotels and the like, and has various types, such as a floor fan, a desktop fan and the like;

the patent publication No. CN202220719331.0 in the prior art is a direct-current low-voltage desktop fan, which comprises a pedestal, wherein a circular groove is formed in one end of the center of the outer wall of the top of the pedestal, an arm groove is formed in the center of the pedestal, which is close to the outer wall of the top of the circular groove, the inner side wall of the arm groove, which is far away from the other end of the circular groove, is movably connected with a support arm through a damping rotating shaft, a support rod is inserted into the support arm, positioning holes which are distributed in an up-and-down structure at equal intervals are formed in the centers of the outer walls on the two sides of the support arm, column grooves are formed in the bottom ends of the outer walls on the two sides of the support arm, a positioning column is inserted into the column groove, a limiting disc is welded at one end, which is located inside the column groove, of the limiting disc is welded on the outer wall on the other side, which is far away from the positioning column, a vortex spring is inserted into the positioning holes under the action of the limiting disc and the vortex spring, and a power supply socket is arranged on the pedestal;

prior art makes the desktop fan can carry out lift adjustment as required through above-mentioned mode, has solved the technical problem of the inconvenient altitude mixture control of desktop fan, nevertheless prior art still has certain defect when using, can only insert the electricity when using and use if this prior art, can't satisfy activity demands such as open air camping after the outage, has certain use limitation, consequently the utility model provides a direct current desktop formula suspension fan.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a direct current desktop formula suspension fan 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: direct current desktop formula suspension fan, including fan front shroud, fan rear shroud base lower cover, base upper cover, electric core and step motor, fan front shroud surface is provided with the front shroud draw-in groove, fan front shroud one side is provided with the center, center one side is provided with the fan rear shroud, be provided with the flabellum between fan front shroud and the center, fan rear shroud below is provided with the stay tube, stay tube bottom end threaded connection has the base upper cover, fixed surface installs the base lower cover under the base upper cover, fixed mounting has the PCBA board between base upper cover and the base lower cover, PCBA board one side electric connection has electric core, PCBA board upper surface opposite side fixed mounting has the button post, cover fixed surface and install the button on the button post top and be located the base.

Preferably, the front end of the middle frame is provided with a front cover clamping plate, the rear end of the middle frame is provided with a rear cover clamping groove, the middle frame is connected with the front cover clamping groove in a clamping mode through the front cover clamping plate, the rear cover of the fan is provided with a rear cover clamping plate, and the rear cover of the fan is connected with the rear cover clamping groove in a clamping mode through the rear cover clamping plate.

Preferably, stay tube top fixed mounting has the pivot seat, pivot seat upper surface has the pivot gear through pivot screw fixed mounting, pivot gear one side meshing is connected with the gear of shaking the head, gear tail end fixed mounting that shakes the head has the motor support.

Preferably, fixed surface installs step motor on the motor support, step motor's output shaft and the centre bore fixed connection of flabellum, step motor electric connection PCBA board, motor support surface cover is equipped with the motor cover.

Preferably, the sponge gasket is fixedly arranged at the four corners of the lower surface of the lower base cover through glue.

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

1. the utility model discloses a cover is provided with the front shroud draw-in groove before the fan, the center is provided with front shroud cardboard and back shroud draw-in groove, and the fan back shroud sets up the back shroud cardboard, uses through the cooperation between two sets of draw-in grooves and the cardboard, thereby can accomplish the block connection effect, only need during the dismantlement manually press down the cardboard in the draw-in groove and can carry out the block and relieve the effect, this kind of structural design, when in-service use, can conveniently dismantle the fan casing, thereby conveniently wash and maintain, increase life, the utility model discloses a structure is small and exquisite, can not occupy too many desktop space when using, has the floated result of use of better desktop, and performance is good.

2. Through be provided with electric core in the base, can carry out the charge-discharge treatment through the electric core that sets up, thereby can guarantee this fan under the circumstances that has a power failure, better energy-concerving and environment-protective effect has, use under the built-in battery power supply circumstances, one-gear operating time can reach 20 hours, possess simultaneously and fill while putting the function, sustainable use, step motor through setting up, four grades of amount of wind smooth switch-over, soft output, the silence is effectual, be fit for each season and use, function output through the PCBA board uses, thereby exportable different voltages, adjust motor speed and output amount of wind, conveniently adjust.

Drawings

Fig. 1 is a schematic diagram of the overall explosion structure of the present invention;

fig. 2 is a schematic view of the fan cover structure of the present invention.

In the figure: 1. a fan front cover; 2. a fan blade; 3. a middle frame; 4. a fan rear cover; 5. supporting a tube; 6. a rotating shaft seat; 7. a spindle gear; 8. a spindle screw; 9. a motor cover; 10. a stepping motor; 11. a rocking gear; 12. a motor bracket; 13. a base lower cover; 14. PCBA board; 15. an electric core; 16. pressing a key; 17. a key post; 18. a base upper cover; 19. a sponge pad; 20. a front cover clamping groove; 21. a front cover clamp plate; 22. a back cover card board; 23. and a clamping groove of the rear cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: direct current desktop formula suspension fan, including fan front shroud 1, 4 base lower cover 13 of fan rear shroud, base upper cover 18, electric core 15 and

step motor

10, 1 surface of fan front shroud is provided with front shroud draw-in

groove

20, 1 one side of fan front shroud is provided with

center

3, 3 one side of center is provided with fan rear shroud 4, be provided with flabellum 2 between fan front shroud 1 and the center 3, 4 below of fan rear shroud are provided with stay tube 5, 5 bottom threaded connection in stay tube have base

upper cover

18, 18 lower fixed surface of base upper cover installs base

lower cover

13, 13 lower surface four corners department of base lower cover 13 all have sponge gasket 19 through glue fixed mounting, fixed mounting has PCBA board 14 between base upper cover 18 and the base

lower cover

13, 14 one side electric connection of PCBA board has electric core 15, wherein electric core 15 is chargeable lithium ion battery, its type is: 18650/2500mAh3.7V;

a key post 17 is fixedly arranged on the other side of the upper surface of the PCBA board 14, and a key 16 is fixedly arranged on the upper surface of the base upper cover 18 above the key post 17.

In this embodiment, the front end of the middle frame 3 is provided with a front cover clamping plate 21, the rear end of the middle frame 3 is provided with a rear cover clamping groove 23, the middle frame 3 is connected with the front cover clamping groove 20 through the front cover clamping plate 21 in a clamping manner, the fan rear cover 4 is provided with a rear cover clamping plate 22, and the fan rear cover 4 is connected with the rear cover clamping groove 23 through the rear cover clamping plate 22 in a clamping manner.

In this embodiment, a rotating shaft seat 6 is fixedly mounted at the top end of the supporting tube 5, a rotating shaft gear 7 is fixedly mounted on the upper surface of the rotating shaft seat 6 through a rotating shaft screw 8, a panning gear 11 is engaged and connected to one side of the rotating shaft gear 7, and a motor bracket 12 is fixedly mounted at the tail end of the panning gear 11.

In this embodiment, the stepping motor 10 is fixedly mounted on the upper surface of the motor support 12, wherein the name of the stepping motor 10 is: DCBRUSHLESSMOTOR, the model is as follows: 6 cun fan motor/9V 0, 44A2600 changes, step motor 10's output shaft and flabellum 2's centre bore fixed connection, step motor 10 electric connection PCBA board 14, function output through PCBA board 14 uses to the different voltage of exportable, adjust motor speed and output amount of wind motor speed and the amount of wind regulation have with the technical scheme that technical personnel are familiar in the field, this text is not being carried out too much and is being repeated again, conveniently adjusts, motor support 12 outer surface cover is equipped with motor cover 9.

During the use, this fan is used to user's accessible conventional use method, the utility model discloses a be provided with front shroud draw-in groove 20 at fan front shroud 1, center 3 is provided with front shroud cardboard 21 and back shroud draw-in groove 23, and fan rear shroud 4 sets up back shroud cardboard 22, use through the cooperation between two sets of draw-in grooves and cardboards, thereby can accomplish the block connection effect, only need the manual cardboard of pressing in the draw-in groove during dismantlement can carry out the block and remove the effect, this kind of structural design, when in-service use, can conveniently dismantle the fan casing, thereby conveniently wash and maintain, increase life, the utility model discloses a structure is small and exquisite, can not occupy too many desktop space when using, has the floated result of use of better desktop, performance is good, through be provided with electric core 15 in the base, can charge discharge through electric core 15 that sets up, thereby can guarantee this fan under the condition of setting up, have better energy-concerving and environment-protective effect, the effect that has direct current supply simultaneously, use under the built-in battery power supply condition, one grade operating time can reach 20 hours, possess the function of putting simultaneously, sustainable use, through the electricity discharge is put, through the smooth 10, the output of four grades of electricity, thereby the smooth output is suitable for the convenience, the smooth output, thereby the convenience is suitable for the output, the motor, the output of the volume of the convenience is good, thereby, the convenience is suitable for use, the output, thereby the output, the convenience is suitable for the output, the convenience is good.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element 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", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate medium, and may be used for communicating the inside of two elements or for interacting with each other, unless otherwise specifically defined, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to the specific circumstances.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Direct current desktop formula suspension fan, its characterized in that, including fan front shroud (1), fan rear cover (4) base lower cover (13), base upper cover (18), electric core (15) and step motor (10), fan front shroud (1) surface is provided with front shroud draw-in groove (20), fan front shroud (1) one side is provided with center (3), center (3) one side is provided with fan rear cover (4), be provided with flabellum (2) between fan front shroud (1) and center (3), fan rear cover (4) below is provided with stay tube (5), stay tube (5) bottom threaded connection has base upper cover (18), base upper cover (18) lower surface fixed mounting has base lower cover (13), fixed mounting has PCBA board (14) between base upper cover (18) and base lower cover (13), PCBA board (14) one side connection has electric core (15), PCBA board (14) upper surface opposite side fixed mounting has button post (17), press the button to be located on base post (17) and press the button and press key position and cover (18) fixed mounting have PCBA surface (16).

2. The DC desktop suspended fan of claim 1, wherein: the front cover clamping plate (21) is arranged at the front end of the middle frame (3), the rear cover clamping groove (23) is arranged at the rear end of the middle frame (3), the middle frame (3) is connected with the front cover clamping groove (20) in a clamping mode through the front cover clamping plate (21), the rear cover clamping plate (22) is arranged on the rear fan cover (4), and the rear fan cover (4) is connected with the rear cover clamping groove (23) in a clamping mode through the rear cover clamping plate (22).

3. The direct current desktop levitation fan of claim 1, wherein: stay tube (5) top fixed mounting has pivot seat (6), pivot seat (6) upper surface has pivot gear (7) through pivot screw (8) fixed mounting, pivot gear (7) one side meshing is connected with oscillating gear (11), oscillating gear (11) tail end fixed mounting has motor support (12).

4. The direct current desktop levitation fan of claim 3, wherein: fixed surface installs step motor (10) on motor support (12), the output shaft of step motor (10) and the centre bore fixed connection of flabellum (2), step motor (10) electric connection PCBA board (14), motor support (12) surface cover is equipped with motor cover (9).

5. The direct current desktop levitation fan of claim 1, wherein: and sponge gaskets (19) are fixedly arranged at four corners of the lower surface of the base lower cover (13) through glue.