CN217502048U

CN217502048U - Floor fan with good stability

Info

Publication number: CN217502048U
Application number: CN202221723784.7U
Authority: CN
Inventors: 邵强; 王骞; 钟文桥
Original assignee: Hubei Quankang Intelligent Technology Co ltd
Current assignee: Hubei Quankang Intelligent Technology Co ltd
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-09-27
Anticipated expiration: 2032-07-04

Abstract

The utility model discloses a floor fan with good stability, which relates to the technical field of household appliances, and comprises a base, a stand column fixedly connected on the base, a bracket rotationally connected on the stand column and a fan head rotationally connected on the bracket, wherein the fan head comprises a front cover, a rear cover, an external rotor motor and fan blades, the front cover and the rear cover are mutually butted to form an accommodating cavity, the external rotor motor and the fan blades are both arranged in the accommodating cavity, the fan blades are connected on the external rotor motor, an installation pipe is arranged in the accommodating cavity, the external rotor motor is designed with a hollow part in the middle and sleeved on the installation pipe, one end of the installation pipe is fixedly connected on the central position of the rear cover, and the other end of the installation pipe is fixedly connected with a fixed panel; set up one rather than the fixed panel of conflict in the place ahead of outer rotor motor, fixed panel is used for decorating or installs display screen etc to can with the ingenious cooperation of front shroud and back shroud, make overall design reasonable and stability high.

Description

Floor fan with good stability

Technical Field

The utility model belongs to the technical field of the domestic appliance technique and specifically relates to a floor fan that stability is good is related to.

Background

The fan refers to a tool for cooling by generating wind in hot days. The electric fan is a device which is driven by electricity to generate air flow, and the fan arranged in the electric fan rotates after being electrified, and mechanical energy is converted into wind energy, so that natural wind is formed to achieve a cool effect.

At present, most of fans adopt alternating current motors or direct current motors with shafts, the fixing modes of motor shafts and fan blades of the products are basically the same, the structure has certain limitation on appearance development of a front mesh enclosure, and application scenes are limited. The outer rotor motor is a novel motor, which is mainly composed of an outer rotor and an inner stator, because the outer rotor causes the outer part of the motor to rotate, a decoration or a display screen cannot be arranged at the front end of the outer part of the motor, and the structure of the inner stator is not easy to fix, and when the motor drives the fan blades to rotate, the fan blades are easy to shake, so that the stability is not enough.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.

The utility model provides a floor fan that stability is good, which comprises a base, fixed connection is the stand on the base, rotate the support of connection on the stand and rotate the fan head of connection on the support, the fan head is including the front shroud, the back shroud, external rotor motor and flabellum, front shroud and back shroud dock each other and form and hold the chamber, external rotor motor and flabellum all set up and are holding the intracavity, the flabellum is connected on external rotor motor, hold the intracavity and be provided with the installation pipe, hollow out design in the middle of the external rotor motor, and the cover is established on the installation pipe, the one end fixed connection of installation pipe is on the central point of back shroud puts, the other end fixedly connected with fixed panel of installation pipe, the window that matches in fixed panel is seted up to the front shroud, the periphery of fixed panel supports tight cooperation through window and front shroud.

As a further aspect of the present invention: the outer rotor motor comprises an inner stator fixedly connected to the installation pipe and an outer rotor rotatably connected to the installation pipe, the outer rotor is sleeved on the inner stator and comprises a front cover and a rear cover which are mutually covered, fan blades are fixedly connected to the periphery of the front cover, and when the fan rotates, the inner stator drives the outer rotor to rotate.

As a further aspect of the present invention: the front end of installation pipe is provided with first step portion, and the rear end of installation pipe is provided with second step portion, all overlaps on first step portion and the second step portion to be equipped with the bearing, and the protecgulum all rotates through the bearing with the back lid to be connected on the installation pipe to the protecgulum restriction is before the bearing of first step portion, and the back lid restriction is behind the bearing of second step portion.

As a further aspect of the present invention: the front end of the first step part is provided with a third step part, the front end of the third step part is provided with a first thread part, and the fixed panel is installed on the third step part and is in threaded connection with the installation pipe through the first thread part.

As a further aspect of the present invention: the rear end of second step portion is provided with fourth step portion, and the rear end of fourth step portion is provided with second screw thread portion, and the installation pipe passes through second screw thread portion and back shroud threaded connection, all is equipped with the flat spacer that strengthens stability on fourth step portion and the second screw thread portion.

As a further aspect of the present invention: the front cover is fixedly connected with a fixed shell which is in abutting fit with the fan blades, the fixed shell is sleeved on the periphery of the fixed panel, and a certain gap exists between the fixed shell and the periphery of the fixed panel.

As a further aspect of the present invention: first flat key has been seted up on first step portion, third step portion and the first screw thread portion, and the fixed panel passes through first flat key and installation pipe location fit.

As a further aspect of the present invention: the second flat key is arranged on the second step part, the fourth step part and the second thread part, and the rear cover is in positioning fit with the installation pipe through the second flat key.

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

through adopting the fixed external rotor electric machine of installation pipe, the front end of installation pipe can be extended out along external rotor electric machine's front end, make external rotor electric machine's front end can connect fixed panel, make fixed panel can not produce the conflict with external rotor electric machine, come the fixed connection back shroud through the rear end that extends to fixed pipe to external rotor electric machine again, again through front shroud and fixed panel support tight fit, thereby reached and set up a fixed panel rather than the conflict in the place ahead of external rotor electric machine, fixed panel is used for decorating or installs display screen etc., and can with the ingenious cooperation of front shroud and back shroud, make the reasonable in overall design and stability high.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an exploded view of the fan head according to the present invention;

FIG. 3 is an exploded view of the fan head of the present invention with the front cover, the rear cover and the fan blades removed;

fig. 4 is a schematic structural view of the mounting pipe of the present invention.

The reference numerals and names in the figures are as follows:

1. a base; 2. a column; 3. a support; 4. a fan head; 5. a front cover; 6. a rear cover; 7. an outer rotor motor; 8. a fan blade; 9. installing a pipe; 10. an inner stator; 11. an outer rotor; 12. a front cover; 13. a rear cover; 14. a first step portion; 15. a second step portion; 16. a bearing; 17. a third step portion; 18. a first threaded portion; 19. a fourth step portion; 20. a second threaded portion; 21. a flat spacer; 22. a stationary case; 23. a first flat key; 24. a second flat bond; 25. fixing the panel; 26. and (4) a window.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but 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. 1-4, in an embodiment of the present invention, a floor fan with good stability includes a base 1, a stand column 2 fixedly connected to the base 1, a bracket 3 rotatably connected to the stand column 2, and a fan head 4 rotatably connected to the bracket 3, wherein the fan head 4 includes a front cover 5, a rear cover 6, an external rotor motor 7, and fan blades 8, the front cover 5 and the rear cover 6 are butted with each other to form a cavity, the external rotor motor 7 and the fan blades 8 are both disposed in the cavity, the fan blades 8 are connected to the external rotor motor 7, a mounting pipe 9 is disposed in the cavity, the external rotor motor 7 is hollow in the middle, and the sleeve is established on installation pipe 9, and the one end fixed connection of installation pipe 9 is on the central point of rear cover 6 puts, and the other end fixed connection of installation pipe 9 has a fixed panel 25, and front cover 5 is seted up and is matchd in the window 26 of fixed panel 25, and the periphery of fixed panel 25 supports tight fit through window 26 and front cover 5.

In the technical means, the outer rotor motor 7 is fixed by the mounting pipe 9, the front end of the mounting pipe 9 can extend out along the front end of the outer rotor motor 7, the front end of the outer rotor motor 7 can be connected with the fixing panel 25, the fixing panel 25 cannot conflict with the outer rotor motor 7, the rear end of the fixing pipe extends to the rear of the outer rotor motor 7 to be fixedly connected with the rear cover 6, and the front cover 5 is abutted against and matched with the fixing panel 25, so that the fixing panel 25 which does not conflict with the outer rotor motor 7 is arranged in front of the outer rotor motor 7, the fixing panel 25 is used for decorating or mounting a display screen and the like, the front cover 5 and the rear cover 6 can be matched ingeniously, and the whole design is reasonable and high in stability.

The embodiment of the utility model provides an in, external rotor motor 7 is including fixed connection the inner stator 10 on installation pipe 9 and rotate the external rotor 11 of connection on installation pipe 9, and 11 covers of external rotor establish on inner stator 10, external rotor 11 is including protecgulum 12 and the back lid 13 that each other covers and close, the periphery fixedly connected with flabellum 8 of protecgulum 12, when the fan rotates, inner stator 10 drive external rotor 11 rotates, through with inner stator 10 fixed mounting on installation pipe 9, external rotor 11 rotates and connects this design on installation pipe 9, make external rotor motor 7 can fix and move on installation pipe 9, when the fan rotates, thereby inner stator 10 drive external rotor 11 rotates and drives flabellum 8 and rotate.

The embodiment of the utility model provides an in, the front end of installation pipe 9 is provided with first step portion 14, the rear end of installation pipe 9 is provided with second step portion 15, all the cover is equipped with bearing 16 on first step portion 14 and the second step portion 15, protecgulum 12 and hou gai 13 all rotate through bearing 16 and connect on installation pipe 9, and protecgulum 12 restriction is before first step portion 14's bearing 16, hou gai 13 restriction is behind second step portion 15's bearing 16, through this design, rock around can not when making protecgulum 12 of external rotor 11 and hou gai 13 rotate, thereby further improve holistic stability.

The embodiment of the utility model provides an in, the front end of first step portion 14 is provided with third step portion 17, and the front end of third step portion 17 is provided with first screw portion 18, and the mounting panel 25 is installed on third step portion 17 to through first screw portion 18 and installation pipe 9 threaded connection, through being equipped with third step portion 17, and the mounting panel 25 is installed on third step portion 17, makes external rotor electric machine 7 can not disturb mounting panel 25 when rotating.

The embodiment of the utility model provides an in, the rear end of second step portion 15 is provided with fourth step portion 19, the rear end of fourth step portion 19 is provided with second screw thread portion 20, installation pipe 9 passes through second screw thread portion 20 and 6 threaded connection of back shroud, all be equipped with the flat meson 21 that fills up of strengthening stability on fourth step portion 19 and the second screw thread portion 20, through this design, further improve the firmness that installation pipe 9 and back shroud 6 are connected, thereby further improve holistic stability, make external rotor electric machine 7 can not disturb back shroud 6 when rotating simultaneously.

The embodiment of the utility model provides an in, fixedly connected with supports tight complex set casing 22 with flabellum 8 on the protecgulum 12, and the set casing 22 cover is established in the periphery of unable adjustment panel 25, and there is certain clearance in the periphery of set casing 22 and fixed panel 25, through being equipped with set casing 22, further improves the firmness that flabellum 8 and 11 protecgulums 12 of external rotor are connected, and when 11 protecgulums 12 rotations of external rotor were followed to set casing 22 simultaneously, can not disturb fixed panel 25.

The embodiment of the utility model provides an in order to make fixed panel 25 and back shroud 6 can not rotate along installation pipe 9, first flat key 23 has been seted up on first step portion 14, third step portion 17 and the first screw thread portion 18, fixed panel 25 through first flat key 23 with install pipe 9 location fit, second flat key 24 has been seted up on second step portion 15, fourth step portion 19 and the second screw thread portion 20, back shroud 6 is through second flat key 24 and installation pipe 9 location fit.

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.

Claims

1. The utility model provides a floor fan that stability is good, which comprises a base, fixed connection is the stand on the base, rotate the support of connection on the stand and rotate the fan head of connection on the support, the fan head is including the front shroud, the back shroud, external rotor motor and flabellum, front shroud and back shroud dock each other and form and hold the chamber, external rotor motor and flabellum all set up and are holding the intracavity, the flabellum is connected on external rotor motor, a serial communication port, hold the intracavity and be provided with the installation pipe, hollow out design in the middle of the external rotor motor, and the cover is established on the installation pipe, the one end fixed connection of installation pipe is on the central point of back shroud puts, the other end fixedly connected with fixed panel of installation pipe, the window that matches in fixed panel is seted up to the front shroud, the periphery of fixed panel supports tight fit through window and front shroud.

2. A floor fan as claimed in claim 1, wherein the external rotor motor comprises an inner stator fixedly connected to the mounting tube and an external rotor rotatably connected to the mounting tube, the external rotor is disposed on the inner stator, the external rotor comprises a front cover and a rear cover covering each other, the fan blades are fixedly connected to the outer circumference of the front cover, and the inner stator drives the external rotor to rotate when the fan rotates.

3. A floor fan as claimed in claim 2, wherein the front end of the mounting tube has a first step, the rear end of the mounting tube has a second step, the first step and the second step are both sleeved with bearings, the front cover and the rear cover are both rotatably connected to the mounting tube via bearings, and the front cover is limited in front of the bearing of the first step and the rear cover is limited behind the bearing of the second step.

4. A floor fan with good stability as claimed in claim 3, characterized in that a third step portion is provided at the front end of the first step portion, a first screw thread portion is provided at the front end of the third step portion, the fixing panel is installed on the third step portion, and is connected with the installation pipe by the first screw thread portion.

5. A floor fan as claimed in claim 3, wherein a fourth step is provided at the rear end of the second step, a second screw is provided at the rear end of the fourth step, the mounting tube is screwed to the back cover by the second screw, and a flat spacer for enhancing stability is provided on each of the fourth step and the second screw.

6. A floor fan as claimed in claim 2, wherein the front cover is fixedly connected with a fixing casing tightly engaged with the fan blades, the fixing casing is sleeved on the periphery of the fixing panel, and a gap is formed between the fixing casing and the periphery of the fixing panel.

7. A floor fan as claimed in claim 4, wherein the first step, the third step and the first thread are provided with a first flat key, and the fixing panel is positioned and fitted with the mounting tube via the first flat key.

8. A floor fan with good stability as claimed in claim 5, wherein the second step portion, the fourth step portion and the second thread portion are provided with a second flat key, and the rear cover is in positioning fit with the mounting tube through the second flat key.