CN108240349B

CN108240349B - Folding fan

Info

Publication number: CN108240349B
Application number: CN201611228359.XA
Authority: CN
Inventors: 蔡正富
Original assignee: Airmate Electric Jiujiang Co ltd
Current assignee: Airmate Electric Jiujiang Co ltd
Priority date: 2016-12-27
Filing date: 2016-12-27
Publication date: 2024-05-03
Anticipated expiration: 2036-12-27
Also published as: CN108240349A

Abstract

The invention relates to a folding fan, which comprises a fan head, a stand column and a foot plate, wherein the stand column comprises at least one folding component for folding the stand column and a movable rotating part capable of moving and rotating relative to the foot plate, each folding component comprises at least two folding rods which are connected with each other in a rotating way, the folding rods are connected with each other in a rotating way through a rotating mechanism, and the movable rotating part is arranged at the bottom end of the stand column. The stand column of the fan can be rotated and folded, the joint of the stand column and the foot plate can be moved and rotated again to be folded, so that the fan can be conveniently stored and deposited during season change, the storage space is saved, the use of consumers is convenient, the complicated assembly process is reduced, the operation is simple and quick, good user experience is realized, the increase of packaging materials generated by the integral packaging of products can be avoided, and the packaging materials are saved.

Description

Folding fan

Technical Field

The invention relates to the technical field of household appliances, in particular to a folding fan.

Background

With the rising price of modern cities, more and more households tend to be miniaturized. For small house type, the household appliances with larger occupied space are one of the things that people feel headache and get tangled, and the fan is one of them. In order to be convenient for transportation and packaging, the fan in the current market can be packaged and shipped basically in a semi-detached bulk part mode, so that the packaging and transportation cost is saved, parts such as a fan net, fan blades, foot plates and the like can be detached for packaging, the problem that users need to assemble the fan by themselves is solved, the operation is troublesome, and even some female users cannot assemble the fan. In addition, the fan is the domestic appliance that seasonal used, and the weather changes the cool back, dismantles and accomodates the process loaded down with trivial details, leads to spare part to lose moreover easily, needs to assemble again when using next time, wastes time and energy.

Disclosure of Invention

The invention aims to provide a folding fan, which solves the problems of time and labor waste in the assembly and storage processes of the fan in the prior art.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a folding fan, includes fan head, stand and foot dish, the stand includes at least folding subassembly that makes the stand is folding and can for the foot dish removes and pivoted removes rotary part, each folding subassembly includes two at least folding poles of mutual swivelling joint, rotate through rotary mechanism between the folding pole and connect, it is in to remove rotary part setting the bottom of stand.

In the folding fan, a sleeve capable of moving along the axial direction of the upright post is sleeved on the periphery of the rotating mechanism, and a first positioning piece for fixedly positioning the sleeve is arranged on the sleeve.

In the folding fan, the rotating mechanism comprises a rotating shaft and at least one spring ring sleeved on the rotating shaft, two wire ends of each spring ring are respectively connected with two folding rods which are connected in a rotating way, and the end parts of the two folding rods which are connected in a rotating way are respectively sleeved on the rotating shaft; the periphery of the rotating shaft is also sleeved with a damping gasket for increasing friction force, and the damping gasket is clamped between the spring ring and the rotating shaft.

In the folding fan, the number of the folding rods is three, the folding rods are sequentially connected through the rotating mechanism in a rotating mode, the rotating angle of the folding rods is 0-90 degrees, and the folding rods are provided with a first limiting part which enables the folding rods to be limited at an angle of 0 degrees and a second limiting part which enables the folding rods to be limited at an angle of 90 degrees.

In the folding fan, the rotating mechanism comprises hinges, the end parts of two folding rods which are connected in a rotating mode are respectively connected with the leaves of the hinges in a one-to-one correspondence mode, the number of the folding rods is two, and the rotating angle of the folding rods is 0-180 degrees.

In the folding fan of the invention, the movable rotating part comprises a body arranged at the bottom end of the upright post and at least one sliding block extending outwards along the radial direction of the body; a sliding rail main body is vertically formed on the foot plate, an accommodating space for accommodating the body of the movable rotating part is formed on the sliding rail main body, a sliding hole corresponding to the sliding block is formed on the side wall of the sliding rail main body, and the sliding block moves along the sliding hole to drive the body to move and rotate relative to the foot plate; the sliding hole comprises a positioning hole which enables the body to be vertically arranged at the central position of the foot plate, a moving hole which is formed along the horizontal direction and enables the body to move along the radial direction between the center of the foot plate and the edge of the foot plate, and a rotating hole which enables the body to rotate relative to the foot plate, wherein the positioning hole, the moving hole and the rotating hole are mutually communicated, the positioning hole is close to the central position of the foot plate and is formed by downwards extending one end of the moving hole, and the rotating hole is close to the edge position of the foot plate and is formed by upwards and gradually transitionally bending the other end of the moving hole.

In the folding fan of the present invention, the slider includes a connecting body located in the sliding hole and a baffle body that holds the connecting body in the sliding hole, the connecting body extending radially outward along the body and being connected between the body and the baffle body.

In the folding fan of the invention, the movable rotating part comprises a sliding body arranged at the bottom end of the upright post, a rotating shaft is inserted into the sliding body along the radial direction, a through hole for the sliding body to move is formed in the foot plate, a blind hole for inserting two ends of the rotating shaft is formed in the hole wall corresponding to the through hole, the through hole extends along the radial direction between the central position and the edge position of the foot plate, and the extension direction of the blind hole is the same as that of the through hole.

In the folding fan of the present invention, the upright further comprises at least one telescopic assembly for extending and shortening the upright, and each telescopic assembly comprises at least two telescopic bodies sleeved with each other.

In the folding fan of the invention, the telescopic assembly comprises an outer telescopic cylinder and an inner telescopic body, a connecting piece is arranged on the inner wall of the telescopic end part of the outer telescopic cylinder, a guide body is arranged on the telescopic end part of the inner telescopic body, the guide body radially outwards extends to form a convex part which is abutted against the inner wall of the outer telescopic cylinder, and a second positioning piece which enables the outer telescopic cylinder and the inner telescopic body to be relatively fixed and positioned is arranged on the outer telescopic cylinder.

The folding fan has the following beneficial effects: the stand column of the fan can be rotated and folded, the joint of the stand column and the foot plate can be moved and rotated again to be folded, the fan can be conveniently stored and deposited during assembly and season change, the storage space is saved, the use of consumers is convenient, the complicated assembly process is reduced, the operation is simple and quick, good user experience is achieved, meanwhile, the increase of packaging materials generated by integral packaging of products can be avoided, and the packaging materials are saved.

Drawings

FIG. 1 is a schematic view of a folding fan according to the present invention;

FIG. 2 is a schematic cross-sectional view of a folded fan section structure of the present invention;

FIG. 3 is a schematic view of a folding fan of the present invention in a first state;

FIG. 4 is a schematic view of a folding assembly of the folding fan of the present invention in a second state;

FIG. 5 is a schematic view of the sleeve of the folding fan of the present invention in a state of leaving the rotating mechanism;

FIG. 6 is a schematic view of a folding fan according to the present invention, in which a sleeve is sleeved outside a rotating mechanism;

FIG. 7 is a schematic view of a moving rotary part of a folding fan according to the present invention;

FIG. 8 is a schematic view of the foot plate of the folding fan of the present invention;

FIG. 9 is a schematic view of a telescopic assembly of a folding fan according to the present invention;

FIG. 10 is a schematic view of a folding fan in a fully retracted state;

Fig. 11 is a schematic structural view of a fan head of the folding fan of the present invention.

Detailed Description

The structure and the principle of action of the folding fan according to the invention are further described below with reference to the accompanying drawings and examples:

In the description of the present invention, it should be understood that terms such as "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate an orientation or a positional relationship based on that shown in the drawings, are merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

As shown in fig. 1-3, a folding fan comprises a fan head 1, a stand column 2 and a foot plate 3, wherein the stand column 2 comprises at least one folding component 21 for folding the stand column 2 and a movable rotating part 22 capable of moving and rotating relative to the foot plate 3, each folding component 21 comprises at least two folding rods 211 which are connected with each other in a rotating way, the folding rods 211 are connected with each other in a rotating way through a rotating mechanism 23, and the movable rotating part 22 is arranged at the bottom end of the stand column 2, so that the fan can be folded through the stand column 2 and is convenient to store. In other embodiments, the upright 2 may further include at least one telescopic assembly 24 for extending and contracting the upright 2, and each telescopic assembly 24 includes at least two telescopic bodies sleeved on each other, so as to further facilitate accommodating the fan. The telescopic assembly 24 may be disposed between the moving and rotating part 22 and the folding assembly 21, or may be disposed between the folding assembly 21 and the fan head 1. The number of the folding assemblies 21 can be one, two or three, as required. The number of telescoping assemblies 24 can be one, two or three, as desired.

As shown in fig. 3, the rotation mechanism 23 includes a rotation shaft 231 and a spring coil (not shown) sleeved on the rotation shaft 231, two wire ends of the spring coil are respectively connected with two rotation-connected folding bars 211, and ends of the two rotation-connected folding bars 211 are respectively sleeved on the rotation shaft 231 and can rotate around the rotation shaft 231. The number of the spring rings can be one or two. As shown in fig. 4, in the present embodiment, the number of the folding bars 211 is three and are sequentially connected by rotation of the rotation mechanism 23, the rotation angle of the folding bars 211 is 0 ° to 90 °, a first limiting portion 212 limiting the folding bars 211 to an angle of 0 ° and a second limiting portion 213 limiting the folding bars 211 to an angle of 90 ° are formed on the folding bars 211, and the three folding bars 211 are substantially U-shaped after being folded. In other embodiments, the number of the folding bars 211 may be five, and the five folding bars 211 are folded to have a substantially S shape.

As shown in fig. 5 to 6, a sleeve 25 movable in the axial direction of the column 2 is fitted around the outer periphery of the rotation mechanism 23, and a first positioning member 251 for fixing the positioning sleeve 25 is provided on the sleeve 25. Specifically, one sleeve 25 may be fitted around the outer periphery of each rotation mechanism 23, or all rotation mechanisms 23 may be fitted with only one sleeve 25. The sleeve 25 is used for moving the sleeve 25 to the periphery of the rotating mechanism 23 after the folding assembly 21 is erected, so as to assist in keeping the folding assembly 21 in an erected state; when the folding assembly 21 needs to be folded, the sleeve 25 is removed and the folding bar 211 is folded. In this embodiment, the first positioning member 251 is a butterfly screw, a threaded hole is formed on the wall of the sleeve 25, the butterfly screw is inserted into the threaded hole, and the butterfly screw is screwed to fix the sleeve 25 at a desired position; in other embodiments, the first positioning member 251 may also be a resistance sheet with a larger friction resistance, and the resistance sheet is disposed on the inner wall of the sleeve 25.

In another embodiment, a damping pad (not shown) for increasing friction force is further sleeved on the outer periphery of the rotating shaft 231, and the damping pad is clamped between the spring ring and the rotating shaft 231. In other embodiments, when the number of coils is two, the two coils are spaced apart from each other around the periphery of the damping shim, and the damping shim further has a projection clamped between the two coils. The damping gasket plays an effective buffering role in the folding process of the product, so that the damping gasket can stay at any position in the folding process, and the stability and operability of the damping gasket are enhanced.

In another embodiment (not shown), the rotation mechanism 23 comprises a hinge, and the ends of the two folding bars 211 connected in a rotating manner are respectively connected with the leaves of the hinge in a one-to-one correspondence. In the present embodiment, the number of the folding bars 211 is two, and the rotation angle of the folding bars 211 is 0 ° -180 °. A sleeve 25 movable in the axial direction of the column 2 is similarly fitted around the outer periphery of the rotation mechanism 23, and a first positioning member 251 for fixing and positioning the sleeve 25 is provided on the sleeve 25.

As shown in fig. 7, the moving and rotating part 22 includes a body 221 disposed at the bottom end of the upright 2, and at least one slider 222 is formed to extend radially outward of the body 221. As shown in fig. 8, a slide rail main body 31 is vertically formed on the foot plate 3, an accommodating space 32 for accommodating the body 221 of the moving rotating part 22 is formed on the slide rail main body 31, a sliding hole 33 corresponding to the sliding block 222 is formed on the side wall of the slide rail main body 31, and the sliding block 222 moves along the sliding hole 33 to drive the body 221 to move and rotate relative to the foot plate 3.

The slider 222 includes a connecting body 222a located in the slide hole 33 and a shutter body 222b that holds the connecting body 222a in the slide hole 33, the connecting body 222a extending radially outward along the body 221 and connected between the body 221 and the shutter body 222 b. The baffle body 222b is provided with a power cord hole 223 for inserting a power cord of the foot tray 3. A threaded hole 224 is formed in the bottom wall of the body 221, and is used for fixing the center positions of the body 221 and the foot plate 3 through screws, so that a fan is used; when the fan is folded, the screw is removed, and the movable rotating part 22 is moved and rotated relative to the foot plate 3, thereby achieving folding.

The number of the sliders 222 may be one or two, and in this embodiment, the number of the sliders 222 is two and symmetrically arranged. The slide hole 33 includes a positioning hole 331 formed in a horizontal direction to erect the body 221 at a central position of the foothold 3, a moving hole 332 formed in a horizontal direction to move the body 221 in a radial direction between the center of the foothold 3 and an edge of the foothold 3, and a rotating hole 333 formed to rotate the body 221 relative to the foothold 3, the positioning hole 331, the moving hole 332 and the rotating hole 333 being communicated with each other, the positioning hole 331 being formed near the central position of the foothold 3 and extending downward at one end of the moving hole 332, the rotating hole 333 being formed near the edge position of the foothold 3 and being formed by gradually transitionally bending upward at the other end of the moving hole 332.

In another embodiment (not shown), the movable rotating portion 22 includes a sliding body disposed at the bottom end of the upright post 2, a rotating shaft is inserted into the sliding body along the radial direction, a through hole for moving the sliding body is formed in the foot plate 3, a blind hole for inserting two ends of the rotating shaft is formed in a hole wall corresponding to the through hole, the through hole extends along the radial direction between the center position and the edge position of the foot plate, and the extension direction of the blind hole is the same as that of the through hole. The moving rotary part 22 thus moves along the through-hole and rotates by the rotation shaft.

In another embodiment, the upright 2 further comprises two telescopic assemblies 24, or three telescopic bodies in the telescopic assemblies 24 and sleeved with each other, and the specific number is determined according to the needs. As shown in fig. 9, the telescopic assembly 24 includes an outer telescopic tube 241 and an inner telescopic body 242 which are sleeved with each other, wherein the outer telescopic tube 241 may be sleeved at the upper end of the inner telescopic body 242, and the outer telescopic tube 241 may also be sleeved at the lower end of the inner telescopic body 242. When the telescopic assembly 24 is disposed between the folding assembly 21 and the moving rotary part 22, one end of the telescopic assembly 24 is connected with the folding assembly 21, the other end of the telescopic assembly 24 is connected with the moving rotary part 22, and one end of the folding assembly 21 away from the telescopic assembly 24 is connected with the fan head 1. When the telescopic assembly 24 is disposed between the fan head 1 and the folding assembly 21, an end of the telescopic assembly 24 away from the fan head 1 is connected to the folding assembly 21, and an end of the folding assembly 21 away from the telescopic assembly 24 is connected to the moving rotary portion 22.

The inner wall of the telescopic end of the outer telescopic tube 241 is provided with a connector 243, the telescopic end of the inner telescopic body 242 is provided with a guide body 244, and the guide body 244 is outwardly protruded in the radial direction with a convex portion 244a abutting against the inner wall of the outer telescopic tube 241. The guide body 244 is designed to prevent the inner telescopic body 242 from shaking in the outer telescopic cylinder 241, so that the structure is more stable; in addition, the guide body 244 and the connecting member 243 can be mutually abutted to prevent the disconnection.

The outer telescopic tube 241 is provided with a second positioning member 245 for positioning the outer telescopic tube 241 and the inner telescopic body 242 relative to each other. The second positioning member 245 is for fixing the outer telescopic tube 241 at an arbitrary position with respect to the inner telescopic body 242. In this embodiment, the second positioning member 245 is a butterfly screw, and the outer telescopic tube 241 and the connecting member 243 are respectively provided with a threaded hole, and the butterfly screw is inserted into the threaded hole for abutting against the inner telescopic body 242, and the butterfly screw is screwed at a position to be fixed, so that the outer telescopic tube 241 is fixed at an arbitrary position relative to the inner telescopic body 242. In other embodiments, the second positioning member 245 may be a resistance sheet with a larger friction resistance, and the resistance sheet is disposed on the inner wall of the outer extension cylinder 241.

As shown in fig. 10, the folding fan of the invention adopts a folding and telescopic structure mode and a structure mode of rotating while horizontally moving at the foot plate to realize folding of the fan, after the folding fan is folded, the folding fan is convenient for storing and depositing the fan during season change, saves the storage space, is convenient for consumers to use, reduces the tedious assembly process, is simple and quick to operate, has good user experience, can avoid the increase of packaging materials caused by integral packaging of products, and saves the packaging materials. The folding and containing effects achieved by adopting the scheme of the principle or adopting the local structure are all within the protection scope of the invention.

As shown in fig. 11, in the present embodiment, the fan head 1 includes a fan blade 11 and a first driver 12 for driving the fan blade 11 to rotate, a pitching head swinging mechanism 13 is installed right behind the first driver 12, a horizontal head swinging mechanism 14 is installed below the pitching head swinging mechanism 13, a transmission mechanism 16 for driving the horizontal head swinging mechanism 14 to horizontally swing, and a second driver 15 for driving the transmission mechanism 16, wherein the first driver 12 and the second driver 15 may be a motor or an electric machine, respectively. The pitching and swinging mechanism 13 is usually installed below the first driver 12 in the prior art, but in this embodiment, the pitching and swinging mechanism 13 is installed right behind the first driver 12, so as to supplement the above-mentioned movement and rotation of the folding assembly 21 and the moving and rotating part 22 at the foot plate 3, and facilitate the complete folding of the folding fan.

It will be appreciated that modifications and variations will be apparent to those skilled in the art from the above description, and it is intended to be within the scope of the invention as defined in the appended claims.

Claims

1. Folding fan comprising a fan head (1), a stand (2) and a foot plate (3), characterized in that the stand (2) comprises at least one folding component (21) for folding the stand (2) and a movable rotating part (22) capable of moving and rotating relative to the foot plate (3), each folding component (21) comprises at least two folding rods (211) which are connected with each other in a rotating way, the folding rods (211) are connected with each other in a rotating way through a rotating mechanism (23), and the movable rotating part (22) is arranged at the bottom end of the stand (2); the movable rotating part (22) comprises a body (221) arranged at the bottom end of the upright post (2), and at least one sliding block (222) is formed by extending outwards along the radial direction of the body (221); a sliding rail main body (31) is vertically formed on the foot plate (3), an accommodating space (32) for accommodating a body (221) of the movable rotating part (22) is formed on the sliding rail main body (31), a sliding hole (33) corresponding to the sliding block (222) is formed on the side wall of the sliding rail main body (31), and the sliding block (222) moves along the sliding hole (33) to drive the body (221) to move and rotate relative to the foot plate (3); the sliding hole (33) comprises a positioning hole (331) which enables the body (221) to be vertically arranged at the central position of the foot plate (3), a moving hole (332) which is formed along the horizontal direction and enables the body (221) to move along the radial direction between the center of the foot plate (3) and the edge of the foot plate (3), and a rotating hole (333) which enables the body (221) to rotate relative to the foot plate (3), wherein the positioning hole (331), the moving hole (332) and the rotating hole (333) are mutually communicated, the positioning hole (331) is close to the central position of the foot plate (3) and is formed by downwards extending one end of the moving hole (332), and the rotating hole (333) is close to the edge position of the foot plate (3) and is formed by gradually transitionally bending upwards at the other end of the moving hole (332).

2. A folding fan according to claim 1, characterized in that a sleeve (25) movable in the axial direction of the upright (2) is provided around the outer periphery of the rotating mechanism (23), and a first positioning member (251) for fixedly positioning the sleeve (25) is provided on the sleeve (25).

3. The folding fan according to claim 1, characterized in that the rotating mechanism (23) comprises a rotating shaft (231) and at least one spring ring sleeved on the rotating shaft (231), two wire ends of each spring ring are respectively connected with two folding rods (211) which are connected in a rotating way, and the end parts of the two folding rods (211) which are connected in a rotating way are respectively sleeved on the rotating shaft (231); the periphery of the rotating shaft (231) is also sleeved with a damping gasket for increasing friction force, and the damping gasket is clamped between the spring ring and the rotating shaft (231).

4. A folding fan according to claim 3, characterized in that the number of the folding bars (211) is three and is connected in turn by the rotation mechanism (23), the angle by which the folding bars (211) rotate is 0 ° -90 °, and a first limit part (212) for limiting the folding bars (211) at an angle of 0 ° and a second limit part (213) for limiting the folding bars (211) at an angle of 90 ° are formed on the folding bars (211).

5. Folding fan according to claim 1, characterized in that the rotation mechanism (23) comprises a hinge, the ends of two rotatably connected folding bars (211) are respectively connected with the leaves of the hinge in a one-to-one correspondence, the number of the folding bars (211) is two, and the rotation angle of the folding bars (211) is 0 ° -180 °.

6. The folding fan according to claim 1, characterized in that the slider (222) comprises a connecting body (222 a) located in the sliding hole (33) and a shutter body (222 b) holding the connecting body (222 a) in the sliding hole (33), the connecting body (222 a) extending radially outwardly along the body (221) and being connected between the body (221) and the shutter body (222 b).

7. A folding fan according to claim 1, characterized in that the upright (2) further comprises at least one telescopic assembly (24) for lengthening and shortening the upright (2), each telescopic assembly (24) comprising at least two telescopic bodies nested one inside the other.

8. The folding fan according to claim 7, characterized in that the telescopic assembly (24) comprises an outer telescopic cylinder (241) and an inner telescopic body (242), a connecting piece (243) is arranged on the inner wall of the telescopic end part of the outer telescopic cylinder (241), a guide body (244) is arranged on the telescopic end part of the inner telescopic body (242), a convex part (244 a) abutting against the inner wall of the outer telescopic cylinder (241) is outwards extended from the guide body (244) along the radial direction, and a second positioning piece (245) for enabling the outer telescopic cylinder (241) and the inner telescopic body (242) to be fixedly positioned relatively is arranged on the outer telescopic cylinder (241).