CN217999917U

CN217999917U - Folding fan

Info

Publication number: CN217999917U
Application number: CN202221242977.0U
Authority: CN
Inventors: 蔡世定
Original assignee: Ningbo Yinzhou Mailang Electronics Co ltd
Current assignee: Ningbo Yinzhou Mailang Electronics Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-12-09
Anticipated expiration: 2032-05-23

Abstract

The utility model discloses a folding fan, which comprises an air supply assembly and a base for supporting the air supply assembly, wherein the base is positioned below the air supply assembly and comprises four damping sheets, and steel balls are filled in the damping sheets; swing joint has the stabilizer blade between the adjacent shock attenuation piece lower extreme, stabilizer blade quantity sets up to four, be stabilizer blade circumference permutation and distribute, the outer tip intermediate position of stabilizer blade is provided with the locating hole, four pieces shock attenuation pieces are circumference array and distribute, and the laminating of shock attenuation piece inside wall is provided with positioning sleeve upper end periphery side, the positioning sleeve lower extreme passes through fixed connection between bolt and the shock attenuation piece, the inside damping of positioning sleeve is provided with the gas pole, and the gas pole top is fixed with the extension board, extension board fixed connection is at the downside of air supply subassembly, this folding fan reduces the interference influence to the external world of vibrations that produce when air supply subassembly operation through setting up the shock attenuation piece, and the rotation of four stabilizer blades is folding, realize the purpose of the practical multiple different area external contact surface of fan.

Description

Folding fan

Technical Field

The utility model relates to the technical field of articles for daily use, specifically a folding fan.

Background

Fan refers to a tool for cooling by generating wind in hot days. An electric fan is a device which is driven by electricity to generate air flow, and a fan arranged in the electric fan is electrified and then rotated into natural wind to achieve the effect of cooling.

Along with economic development, various fans appear in the market, and the fans are mainly divided into a household fan and an industrial fan, wherein the appearance style of the household fan is also used as an important selection reference of a user while the air supply efficiency is improved, and compared with the existing household fan, the household fan has the following advantages: the existing fan is supported by a base, and the shape of the base is fixed, so that the applicable environment is single, the fan is only suitable for a flat contact surface, and the base is difficult to stably support the fan in special environments such as outdoor and the like when the uneven contact surface is encountered; secondly, when the fan blows, the generated vibration is transmitted to the external contact surface through the base, so that abnormal sound is generated between the base and the external contact surface, and certain interference is caused to the surrounding environment.

To this end, we propose a folding fan.

Disclosure of Invention

An object of the utility model is to provide a folding 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: a folding fan comprises an air supply assembly and a base for supporting the air supply assembly, wherein the base is positioned below the air supply assembly and comprises four damping sheets, and steel balls are filled in the damping sheets; the lower ends of the adjacent shock absorption sheets are movably connected with supporting legs, the number of the supporting legs is four, the supporting legs are distributed in a circumferential alignment manner, and positioning holes are formed in the middle positions of the outer end portions of the supporting legs.

Preferably, the four damping pieces are distributed in a circumferential array, the inner side wall of each damping piece is provided with the outer peripheral side of the upper end of a positioning sleeve in an attaching mode, and the lower end of each positioning sleeve is fixedly connected with the corresponding damping piece through a bolt.

Preferably, the support leg rotates counterclockwise along the shaft, the maximum counterclockwise rotation angle of the support leg is ninety degrees, the support leg is perpendicular to the damper blade in the initial state, so that the support leg can only rotate counterclockwise after rotating, and after the support leg rotates ninety degrees, the support leg and the damper blade are parallel, and the support leg in the initial state can be restored to the initial state after rotating ninety degrees clockwise.

Preferably, the one end that the stabilizer blade is close to the shock attenuation piece is the sunken setting of arc, and the one end that the shock attenuation piece was kept away from to the stabilizer blade is the form setting of beveling, and stabilizer blade one end is sunken design and is used for avoiding self anticlockwise rotation in-process and the bottom contact of position sleeve, and the other end of stabilizer blade is the design of beveling formula, also avoids the appearance of great end angle, occupation space when realizing self structural stability.

Preferably, the locating sleeve is internally provided with a gas rod in a damping mode, a supporting plate is fixed to the top end of the gas rod, the supporting plate is fixedly connected to the lower side of the air supply assembly, the gas rod is of a conventional structure, the output end of the gas rod stretches out and draws back to directly drive the supporting plate to lift, and the lifting of the air supply assembly is indirectly controlled.

Preferably, the rubber material is filled in the four damping pieces, the steel balls are wrapped in the rubber material, the damping pieces are arranged in a cavity mode when being manufactured, the steel balls are filled in the damping pieces, then the hot-melt rubber material is poured into the damping pieces, and the hot-melt rubber material and the steel balls are pressed in a moving mode until the hot-melt rubber material and the steel balls are fully mixed.

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

the utility model discloses an adopt improved generation base structure, be responsible for supporting the location to the air supply subassembly, the air supply subassembly shakes in the operation process and produces pressure and transmit to the shock attenuation piece, further the shock attenuation piece produces pressure and kick-backs to the contact surface, so relapse, form vibrations, and the steel ball that the shock attenuation piece was inside to set up forms kinetic energy in the process of shock attenuation piece vibrations, according to the law of conservation of energy, kinetic energy increases, the elastic potential energy of shock attenuation piece reduces, so the built-in steel ball of shock attenuation piece cushions the vibrations rebound effect, simultaneously, the steel ball increases the whole weight of base, make the base more firm, compare traditional base structure, can substantively change the stability of base and reduce the abnormal sound that produces because of the base rebounds vibrations;

secondly, adjust through the angle to the stabilizer blade that includes in this improved generation base, realize the folding function of stabilizer blade for the contact surface at the different grade type is placed to the base, improves its application scope, and at the preformed hole that stabilizer blade tip set up, be used for expandes the stabilizer blade completely, then fixes it at the contact surface through external bolted construction, realizes fixing between the contact surface of fan and multi-angle.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention from above;

FIG. 2 is a schematic view of the lower view angle of the overall structure of the present invention;

FIG. 3 is a schematic view of the folding state of the legs of the present invention;

fig. 4 is a schematic view of the internal structure of the damping sheet of the present invention.

In the figure: 1-an air supply assembly; 2-a base; 21-a shock-absorbing sheet; 211-steel balls; 22-a positioning sleeve; 23-a leg; 24-air rod; 25-support plate.

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. 1-4, the present invention provides a technical solution: a folding fan comprises an air supply assembly 1 and a base 2 used for supporting the air supply assembly 1, wherein the base 2 is located below the air supply assembly 1, the base 2 comprises four damping pieces 21, steel balls 211 are filled in the damping pieces 21, rubber materials are filled in the four damping pieces 21, and the rubber materials are filled in the four damping pieces 21 and wrapped with the steel balls 211;

the air supply assembly 1 is liable to generate vibration in the operation process, when force generated by vibration is transmitted to an external contact surface through the damping sheet 21, the steel balls 211 in the damping sheet 21 have a moving trend, and are extruded mutually subsequently, kinetic energy is increased, so that the vibration amplitude and frequency are reduced, interference to the outside during the operation of the air supply assembly 1 is reduced, rubber materials filled and wrapped among the steel balls 211 are poured in the damping sheet 21 after being hot-melted, the steel balls 211 are wrapped, and the positions of the steel balls 211 are fixed while the damping effect is realized;

the lower ends of the adjacent shock absorption sheets 21 are movably connected with supporting legs 23, the number of the supporting legs 23 is four, the supporting legs 23 are distributed in a circumferential alignment manner, the supporting legs 23 rotate anticlockwise along the shaft, the maximum anticlockwise rotation angle of the supporting legs 23 is ninety degrees, a positioning hole is formed in the middle of the outer end part of each supporting leg 23, one end, close to the shock absorption sheet 21, of each supporting leg 23 is arranged in an arc-shaped concave manner, and one end, far away from the shock absorption sheet 21, of each supporting leg 23 is arranged in a beveling manner;

the support leg 23 adopted in the utility model belongs to a support structure, can be rotated and folded, and is used for meeting the requirement that the base 2 is placed on external contact surfaces with different areas, the support leg 23 can only rotate anticlockwise under the limitation of an internal self-locking structure of the support leg 23, the angle is not more than ninety degrees, and the damping existing between the support leg 23 and the damping sheet 21 is larger than the integral weight of the fan, so that when no external force is applied, the angle between the support leg 23 and the damping sheet 21 is not changed, the self-locking structure at the end part of the support leg 23 is a common angle limiting structure at present and is not described in detail, when the four support legs 23 and the damping sheets 21 are in a vertical state, the support leg 23 is completely unfolded for supporting the whole fan, and when the four support legs 23 and the damping sheets 21 are kept parallel, the support leg 23 is completely folded for accommodating or transferring the fan by matching with a user;

meanwhile, the positioning hole arranged in the middle of one end of the support leg 23 far away from the damping sheet 21 assists a user to hang and fix the fan, so that the fan can be used in multiple ways;

furthermore, the four damping pieces 21 are distributed in a circumferential array, the inner side walls of the damping pieces 21 are attached to the outer peripheral side of the upper end of a positioning sleeve 22, the lower end of the positioning sleeve 22 is fixedly connected with the damping pieces 21 through bolts, an air rod 24 is arranged in the positioning sleeve 22 in a damping mode, a support plate 25 is fixed at the top end of the air rod 24, and the support plate 25 is fixedly connected to the lower side of the air supply assembly 1;

the four shock absorbing plates 21 are kept fixed in position between the positioning sleeves 22 under the action of the bolt modification, the diameter of the lower end of each positioning sleeve 22 is smaller than that of the upper end of each positioning sleeve, the height of the lower end of each positioning sleeve 22 is higher than that of the lower edge of each shock absorbing plate 21, in addition, in the rotating process of the support legs 23, no movement interference occurs between the support legs 23 and the positioning sleeves 22, the positioning sleeves 22 are used for installing and fixing the air rods 24, and the air rods 24 are used for adjusting and changing the height of the air supply assembly 1 through the action support plates 25.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. The utility model provides a folding fan, includes air supply assembly (1) and is used for supporting base (2) of air supply assembly (1), its characterized in that: the base (2) is positioned below the air supply assembly (1), the base (2) comprises four damping sheets (21), and steel balls (211) are filled in the damping sheets (21); support legs (23) are movably connected between the lower ends of the adjacent damping pieces (21), the number of the support legs (23) is four, the support legs (23) are distributed in a circumferential array manner, and positioning holes are formed in the middle positions of the outer end portions of the support legs (23).

2. A folding fan according to claim 1, wherein: the four damping pieces (21) are distributed in a circumferential array mode, the inner side walls of the damping pieces (21) are attached to the outer peripheral side of the upper end of a positioning sleeve (22), and the lower end of the positioning sleeve (22) is fixedly connected with the damping pieces (21) through bolts.

3. A folding fan according to claim 1, wherein: the leg (23) rotates counterclockwise along the axis, and the maximum angle of counterclockwise rotation of the leg (23) is ninety degrees.

4. A folding fan according to claim 1, wherein: the one end that stabilizer blade (23) are close to shock attenuation piece (21) is the sunken setting of arc, and stabilizer blade (23) keep away from the one end of shock attenuation piece (21) and be the beveling form setting.

5. A folding fan according to claim 2, wherein: the air rod (24) is arranged in the positioning sleeve (22) in a damping mode, a support plate (25) is fixed to the top end of the air rod (24), and the support plate (25) is fixedly connected to the lower side of the air supply assembly (1).

6. A folding fan according to claim 1, wherein: the rubber material is filled in the four shock absorption pieces (21), and the steel balls (211) wrapped in the rubber material are filled in the four shock absorption pieces (21).