CN213628066U - Folding fan - Google Patents

Abstract

The utility model provides a foldable fan. The foldable fan comprises a fan component, a base and a supporting structure. The supporting structure is connected between the fan assembly and the base and comprises two supporting pieces, a first connecting piece and a second connecting piece, the two supporting pieces are arranged in parallel, one end of the first connecting piece is connected with one ends of the two supporting pieces, the other end of the first connecting piece is also rotatably connected with the base, one end of the second connecting piece is connected with the other ends of the two supporting pieces, the other end of the second connecting piece is also rotatably connected with the fan assembly, and the supporting structure can be switched between a first overlapped state overlapped with the base and a first supporting state supported on the base compared with the rotation of the base; the fan assembly can rotate relative to the supporting structure and can be switched between a second folding state of folding with the supporting structure and a second supporting state of being supported on the supporting structure.

Description

Folding fan

Technical Field

The utility model relates to a fan field, concretely relates to foldable fan.

Background

In recent years, people are pursuing more convenient life, and various portable fans appear in the market in order to meet the requirements of practical fans needed for outdoor activities or other life scenes, wherein the foldable fans are widely popular due to the effects of being convenient to store and carry and the like. However, how to ensure the supporting strength of the foldable fan while ensuring the folding portability of the foldable fan is an important research direction for fan design and manufacturers in the industry.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a folding fan that folding portability is better and support intensity is better.

An embodiment of the utility model provides a foldable fan, foldable fan includes fan assembly, base and bearing structure, bearing structure connects in fan assembly with between the base, bearing structure includes two support pieces, first connecting piece and second connecting piece, two support pieces set up side by side, the one end of first connecting piece is connected the one end of two support pieces, the other end of first connecting piece still with the base rotates to be connected, the one end of second connecting piece is connected the other end of two support pieces, the other end of second connecting piece still with fan assembly rotates to be connected, bearing structure can compare the base rotates and switches between with the first coincide state of base coincide and the first support state of being supported on the base; the fan assembly is rotatable relative to the support structure such that the fan assembly is switchable between a second collapsed state in which the fan assembly is collapsed with the support structure and a second supported state in which the fan assembly is supported on the support structure.

Compared with the prior art, in the foldable fan of the above embodiment, the supporting structure includes two supporting members, which can ensure better supporting strength, and further, one end of each of the two supporting members can be rotatably connected to the base through the first connecting member, so that the two supporting members can be folded together with the base, and the other end of each of the two supporting members can be rotatably connected to the fan assembly through the second connecting member, so that the two supporting members can be folded together with the fan assembly, so that at least two times of folding can be formed among the fan assembly, the base and the supporting structure of the foldable fan, so as to achieve a better folding effect.

Further, in some embodiments, both of the supports are telescopic supports with adjustable support lengths. It can be understood that the telescopic support with the adjustable support length enables the height of the fan assembly to be adjustable, and the use requirements of different heights are met, so that the folding fan can be suitable for different scenes.

Further, in some embodiments, the two supports each comprise at least two telescopically coupled sleeves. The foldable fan assembly has the advantages that the telescopic connection sleeve is common in structure, simple in structure and low in cost, the height of the fan assembly can be adjusted, using requirements of different heights can be met, and the foldable fan can be suitable for different scenes.

Further, in some embodiments, the at least two telescopically coupled sleeves include a first coupling sleeve coupled to the first coupling member and a second coupling sleeve slidably coupled to the first coupling sleeve, the second coupling sleeve being slidably received in the first coupling sleeve, and the second coupling sleeve also being coupled to the second coupling member. The fan assembly comprises a fan body, a fan component and a support piece, wherein the fan component is arranged on the support piece, the support piece is arranged on the fan body, the support piece is arranged on the support piece, and the fan component is arranged on the support piece. In addition, the sliding telescopic sleeve is simple in structure and high in reliability, so that the foldable fan is high in reliability.

Further, in some embodiments, the first connecting member includes two adapter sleeves correspondingly connected to the two supporting members, and the two adapter sleeves are respectively connected to one ends of the two supporting members, which are far away from the fan assembly, and rotatably connected to the base. It can be understood that, through two adapter sleeve realize support piece with be connected between the base, not only the structure is comparatively simple, the equipment is convenient, whole volume also can be less.

Further, in some embodiments, the base includes a main body and a first pivot portion disposed on the main body, the first pivot portion being located between the two adapter sleeves; the two supporting pieces, the two adapter sleeves and a part of the first pivoting part between the two adapter sleeves enclose a U shape. It can be understood that the U-shaped structure has the effects of better supporting strength, higher reliability, smaller occupied volume and the like.

Further, in some embodiments, the adapter sleeve includes a main body adapter portion, a first connecting end connected between the main body adapter portion and the corresponding support member, and a second connecting end connected between the main body adapter portion and the first pivot portion, the first pivot portion includes a housing, the housing has a through hole, and the two second connecting ends of the two adapter sleeves respectively extend into two ends of the through hole to rotatably connect the two adapter sleeves and the base. It can be understood that the rotary connecting structure is simple, small in occupied volume and convenient to assemble and disassemble.

Further, in some embodiments, the first pivot portion further comprises a damping friction member located between the second connecting end and an inner sidewall of the housing; the number of damping friction piece is four, wherein two the damping friction piece is located one the second link with between the inside wall of shell, two the other damping friction piece is located another the second link with between the inside wall of shell, the damping friction piece be with the second link reaches the arc friction disc of shell shape adaptation. It can be understood that the damping friction piece can lock the rotation connection angle between the base and the supporting structure, thereby being convenient for users to use.

Further, in some embodiments, the foldable fan further includes a locking member disposed on the first pivot portion and configured to lock a connection state of the first pivot portion and the adapter sleeve; the shell is provided with an opening communicated with the through hole, one side, adjacent to the first pivoting portion, of at least one main body switching portion is provided with a clamping groove, the locking piece comprises a base body, an operation portion connected to the base body and a locking portion connected to the base body and corresponding to the clamping groove, the locking piece is located in the through hole, the operation portion extends out of the first pivoting portion through the opening, and the operation portion can slide along the opening when being operated, so that the locking portion can be switched between a state of extending into the clamping groove to be clamped with the clamping groove and a state of sliding out of the clamping groove to be released from clamping with the clamping groove. It can be understood that the rotating connection angle between the base and the supporting structure can be locked through the locking piece, and the use is convenient for users.

Further, in some embodiments, the foldable fan further includes an elastic reset piece, one end of the elastic reset piece is connected to one end of the base body away from the locking portion, and the other end of the elastic reset piece directly or indirectly abuts against the adapter sleeve away from the locking portion, and the elastic reset piece is used for being compressed when a user operates the operation portion to enable the locking portion and the clamping groove to be released from being clamped, and further driving the locking portion to reset to be clamped in the clamping groove when the user stops operating the operation portion. It can be understood that the elastic reset piece can realize the automatic reset of the locking piece, and the use by a user is convenient.

Further, in some embodiments, the number of the slots is at least two, at least two of the slots are arranged along the arc direction, the locking portion may extend into different slots so as to lock different connection states between the base and the adapter sleeve, and the base and the support structure have different rotational connection angles. It can be understood that at least two of the slots make the base and the supporting structure have different rotation connection angles, so that the use is convenient for users.

Further, in some embodiments, the locking element further includes an installation post connected to one end of the base body far away from the locking portion and extending in a direction far away from the locking portion, the elastic reset element is a spring, and the spring is sleeved on the installation post. It can be appreciated that spring elements are relatively common, low cost, reliable and the above structural design also makes assembly convenient and simple.

Further, in some embodiments, the foldable fan further includes a first fixing ring, the first fixing ring abuts between the elastic resetting member and the main body adapter portion of the adapter sleeve far away from the locking portion, and the first fixing ring is sandwiched between the housing and the main body adapter portion. The foldable fan further comprises a second fixing ring, and the second fixing ring is clamped between the shell and the main body switching part adjacent to the locking part. It can be understood that the first pin joint part and the adapter sleeve can be tightly combined through the first fixing ring and the second fixing ring, so that the assembled structure is more reliable.

Further, in some embodiments, the foldable fan further includes a fixing member, the two second connection ends include connection holes, and the fixing member sequentially connects the two second connection ends through the two connection holes of the two second connection ends, so that the first pivot portion and the adapter sleeve are tightly combined, and the assembled structure is more reliable.

Further, in some embodiments, the second connecting member includes two adapters respectively connected to the two supporting members, and an end of the two adapters away from the supporting members is further configured to be rotatably connected to the fan assembly. It can be understood that the two adapters are used for realizing the connection between the supporting piece and the fan assembly, so that the fan assembly is simple in structure, high in reliability, convenient to assemble and small in overall size.

Further, in some embodiments, the fan assembly includes a fan main body and a connecting assembly connected between the fan main body and the second connecting member, the connecting assembly includes a second pivot portion located between the two adapters; the two supporting pieces, the two adapter pieces and the second pivoting part form a U shape. It can be understood that the U-shaped structure has the effects of better supporting strength, higher reliability, smaller occupied volume and the like.

Further, in some embodiments, the connecting assembly further includes a first connecting portion connected to the second pivot portion, a second connecting portion connected to the fan main body, and a third connecting portion connected between the first connecting portion and the second connecting portion; the first connecting part is also pivoted with the third connecting part, so that the fan main body, the second connecting part and the third connecting part can rotate relative to the first connecting part to adjust the blowing angles of the left side, the right side or the upper side and the lower side; the second connecting part is also pivoted with the third connecting part, so that the fan main body and the second connecting part can rotate relative to the third connecting part to adjust the blowing angle of the upper side, the lower side, the left side and the right side. The fan assembly is adjustable in blowing angle, and can meet the use requirements of different angles, so that the folding fan can be suitable for different scenes.

Further, in some embodiments, when the foldable fan is in the folded state, the support structure and the base are in the first folded state, and the fan assembly and the support structure are in the second folded state, the fan body is located on a side of the support structure away from the base, and at least part of the connecting assembly is accommodated between the two supports. It can be understood that when the foldable fan is in a folded state, the supporting structure, the base and the fan assembly are arranged in an overlapped mode, the fan main body is located on one side, away from the base, of the supporting structure, and at least part of the connecting assembly is contained between the two supporting pieces, so that the foldable fan is smaller in occupied size and more convenient to carry and store.

Further, in some embodiments, the foldable fan further includes a first driving assembly and a second driving assembly, the first driving assembly is accommodated in the third connecting portion, and the second driving assembly is accommodated in the second connecting portion. It can be understood that the first driving assembly and the second driving assembly are respectively accommodated in the third connecting portion and the second connecting portion, so that the driving assembly and the connecting assembly occupy a smaller space, which is beneficial to realizing the miniaturization of the volume of the foldable fan and is also convenient for the driving assembly to drive the fan main body and the like.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic perspective view of a foldable fan according to a first embodiment of the present invention;

FIG. 2 is an exploded perspective view of the foldable fan of FIG. 1;

FIG. 3 is a schematic structural view of the foldable fan of FIG. 1 in a folded state;

FIGS. 4-6 are schematic views of the foldable fan of FIG. 1 in different states of use;

fig. 7 is a schematic perspective view of a foldable fan according to a second embodiment of the present invention;

fig. 8 is a schematic diagram of a partially exploded structure of the first pivot portion and the two adapter sleeves of the foldable fan shown in fig. 7.

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.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below 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 efforts shall belong to the protection scope of the present invention.

The terms "first," "second," and "third," etc. in the description and claims of the present invention and the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "comprises" and any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Referring to fig. 1-2, fig. 1 is a schematic perspective view of a foldable fan 10 according to a first embodiment of the present invention; fig. 2 is an exploded perspective view of the foldable fan 10 shown in fig. 1, fig. 3 is a structural view of the foldable fan 10 shown in fig. 1 in a folded state, and fig. 4-6 are structural views of the foldable fan 10 shown in fig. 1 in different states of use.

The foldable fan 10 includes a fan assembly 20, a base 30, and a support structure 40.

The support structure 40 is connected between the fan assembly 20 and the base 30. The base 30 is used to be disposed on an external object (such as a table top or a bottom surface), and the supporting structure 40 has one end connected to the base 30 and the other end connected to the fan assembly 20 and can support the fan assembly 20.

Specifically, the supporting structure 40 includes two supporting members 41, a first connecting member 42 and a second connecting member 43, the two supporting members 41 are arranged in parallel, one end of the first connecting member 42 is connected to one end of the two supporting members 41, the other end of the first connecting member 42 is further rotatably connected to the base 30, one end of the second connecting member 43 is connected to the other end of the two supporting members 41, the other end of the second connecting member 43 is further rotatably connected to the fan assembly 20, and the supporting structure 40 is rotatable relative to the base 30, so that the supporting structure 40 is switched between a first overlapped state overlapped with the base 30 and a first supporting state supported on the base 30; the fan assembly 20 is rotatable relative to the support structure 40 such that the fan assembly 20 is switched between a second, stacked condition in which it is stacked with the support structure 40 and a second, supported condition in which it is supported on the support structure 40.

As shown in fig. 3, the foldable fan 10 is folded, the supporting structure 40 is overlapped with the base 30, and the fan assembly 20 is overlapped with the supporting structure 40, so that the foldable fan 10 is very convenient to carry and store. As shown in fig. 4-6, at least one of the supporting structure 40 and the base 30 and the fan assembly 20 and the supporting structure 40 can be in a supporting state, so that the foldable fan 10 can be applied to a variety of different use scenarios with high user experience.

In contrast to the prior art, in the foldable fan 10 of the above embodiment, the supporting structure 40 includes two supporting members 41, a better supporting strength can be ensured, and further, one end of the two supporting members 41 can be rotatably connected with the base 20 through the first connecting member 42, so that the two supporting members 41 can be folded to overlap with the base 20, the other ends of the two supporting members 41 can be rotatably connected with the fan assembly 30 by the second connecting member 43, therefore, the two supporting members 41 can be overlapped with the fan assembly 30 to be folded, so that at least two overlapping times can be formed among the fan assembly 20, the base 30 and the supporting structure 40 of the foldable fan 10 to achieve a better folding effect, and the folded foldable fan 10 has a smaller volume, is convenient to store and has better portability.

Further, in this embodiment, the two supporting members 41 may be both retractable supporting members with adjustable supporting lengths. It can be understood that the telescopic support with adjustable support length enables the height of the fan assembly 20 to be adjustable, and meets the use requirements of different heights, so that the folding fan 10 can be suitable for different scenes. In particular, the two supporting members 41 each comprise at least two telescopically coupled sleeves, which may be metal or plastic sleeves having a better supporting strength. The foldable fan assembly has the advantages that the telescopic connection sleeve is common in structure, simple in structure and low in cost, the height of the fan assembly can be adjusted, using requirements of different heights can be met, and the foldable fan can be suitable for different scenes.

The at least two telescopically connected sleeves comprise a first connecting sleeve 411 connected to the first connecting member 42 and a second connecting sleeve 412 slidably connected to the first connecting sleeve 411, the second connecting sleeve 412 is slidably received in the first connecting sleeve 411, and the second connecting sleeve 412 is further connected to the second connecting member 43. It can be understood that the supporting member 41 adopts a sliding telescopic tube structure, so that the supporting height of the supporting structure 40 is adjustable, and further the height of the fan assembly 20 is adjustable, so as to meet the use requirements of different heights, and thus the foldable fan 10 can be suitable for different scenes. In addition, the sliding telescopic tube is simple in structure and high in reliability, so that the folding fan 10 is high in reliability.

In addition, the number of the second connection sleeves 412 may be one, two, or more, and in this embodiment, a plurality of slidably and telescopically connected second connection sleeves 412 are mainly taken as an example for schematic illustration. Further, the material of the second connection sleeve 412 may be metal. The material of the first connection sleeve 411 may be plastic.

The first connecting member 42 includes two adapter sleeves 421 correspondingly connected to the two supporting members 41, and the two adapter sleeves 421 are respectively connected to one ends of the two supporting members 41 far away from the fan assembly 20 and rotatably connected to the base 30. It can be understood that, the connection between the supporting member 41 and the base 30 is realized through the two adapting sleeves 421, which not only has a simpler structure and is convenient to assemble, but also has a smaller overall volume. The material of the adapter sleeve 421 may also be plastic, and may be the same as the material of the first connection sleeve 411.

The base 30 may include a main body 31 and a first pivot portion 32 disposed on the main body 31, wherein the first pivot portion 32 is located between the two adapting sleeves 421; the two supporting members 41, the two adapter sleeves 421 and a part of the first pivot portion 32 located between the two adapter sleeves 421 form a U shape. It can be understood that the U-shaped structure has the effects of better supporting strength, higher reliability, smaller occupied volume and the like. The main body 31 may include a bottom case 311 and a cover 312 covering the bottom case 311, and the bottom case 311 and the cover 312 may enclose a receiving cavity 310. The first pivot portion 32 may be disposed on a surface of the cover 312 away from the bottom case 311 and adjacent to an edge of the cover 312.

The second connector 43 may include two adapters 431 respectively connected to the two supports 41, and an end of the two adapters 431 far from the supports 41 is further configured to be rotatably connected to the fan assembly 20. It can be understood that, the two adapters 431 are used for connecting the support 41 and the fan assembly 20, so that the structure is simple, the reliability is high, the assembly is convenient, and the overall size can be small.

Specifically, the fan assembly 20 includes a fan main body 21 and a connecting assembly 22 connected between the fan main body 21 and the second connecting member 43, the connecting assembly 22 includes a second pivot portion 221, and the second pivot portion 221 is located between the two adapter members 431; the two supporting members 41, the two adapters 431, and the second pivoting portion 221 form a U shape. It can be understood that the U-shaped structure has the effects of better supporting strength, higher reliability, smaller occupied volume and the like. The fan body 21 may include a fan blade assembly 211 and a fan frame 212 covering the fan blade assembly 211, and the connecting assembly 22 may be disposed in a middle area of a back of the fan frame 212.

In this embodiment, the connecting assembly 22 further includes a first connecting portion 222 connected to the second pivot portion 221, a second connecting portion 223 connected to the fan main body 21, and a third connecting portion 224 connected between the first connecting portion 222 and the second connecting portion 223; the first connecting portion 222 is further pivotally connected to the third connecting portion 224, so that the fan main body 21, the second connecting portion 223 and the third connecting portion 224 can rotate relative to the first connecting portion 222 to adjust the blowing angle of the left and right sides or the upper and lower sides; the second connecting portion 223 is also pivotally connected to the third connecting portion 224, so that the fan body 21 and the second connecting portion 223 can rotate relative to the third connecting portion 224 to adjust the blowing angle of the upper side, the lower side, the left side and the right side. It can be understood that the blowing angle of the fan assembly 20 is adjustable, so that the use requirements of different angles can be met, and the folding fan 10 can be suitable for different scenes.

Specifically, in this embodiment, the first connecting portion 222 is further pivotally connected to the third connecting portion 224, so that the fan main body 21, the second connecting portion 223 and the third connecting portion 224 can rotate relative to the first connecting portion 222 to adjust the blowing angles of the left and right sides, thereby realizing the left and right shaking of the fan main body 21; the second connecting portion 223 is further pivotally connected to the third connecting portion 224, so that the fan body 21 and the second connecting portion 223 can rotate relative to the third connecting portion 224 to adjust the blowing angle of the upper and lower sides, thereby achieving the vertical rotation of the fan body 21. However, it is understood that, in other modified embodiments, the first connection portion 222 is further pivoted to the third connection portion 224, so that the fan main body, the second connection portion 223 and the third connection portion 224 can rotate relative to the first connection portion to adjust the blowing angles of the upper and lower sides, thereby realizing the vertical rotation of the fan main body 21; the second connecting portion 223 is further pivotally connected to the third connecting portion 224, so that the fan body 21 and the second connecting portion 223 can rotate relative to the third connecting portion 224 to adjust the blowing angles of the left and right sides, thereby realizing the left and right shaking of the fan body 21.

Further, the foldable fan 10 further includes a first driving assembly 51 and a second driving assembly 52, wherein the first driving assembly 51 is received in the third connecting portion 224, and the second driving assembly 52 is received in the second connecting portion 223. The first driving assembly 51 and the second driving assembly 52 each include a driving motor. The first driving assembly 51 is configured to drive the third connecting portion 224 to rotate relative to the first connecting portion 222, so that the third connecting portion 224 drives the fan main body 21 and the second connecting portion 223 to rotate relative to the first connecting portion 222 to adjust a blowing angle (e.g., a blowing angle on the left and right sides). The second driving assembly 52 is configured to drive the second connecting portion 223 to rotate relative to the third connecting portion 224, so that the second connecting portion 223 drives the fan main body to rotate relative to the first connecting portion 222 to adjust a blowing angle (e.g., a blowing angle at the upper side and the lower side).

It can be understood that the first driving assembly 51 and the second driving assembly 52 are respectively accommodated in the third connecting portion 224 and the second connecting portion 223, so that the occupied space of the driving assemblies 51 and 52 and the connecting assembly 22 is small, which is beneficial to realizing the volume miniaturization of the foldable fan 10, and is also convenient for the driving assemblies 51 and 52 to drive the third connecting portion 224 to rotate relative to the first connecting portion 221 for the fan main body 21 and the like.

Further, it is understood that the foldable fan 10 further includes a power supply assembly 60, the power supply assembly 60 can be accommodated in the accommodating cavity 310 of the base 30, specifically, the power supply assembly 60 can include a battery 61, a circuit board 62, and the like, and the circuit board 62 can further electrically connect the first driving assembly 51 and the second driving assembly 52 through an electrical connection assembly (not shown) such as a wire. Wherein one end of the wire may be connected to the circuit board 62, and the other end may sequentially pass through the cover plate 312, the first pivot portion 32, the adapting sleeve 421, the supporting member 41, the adapting member 431, the second pivot portion 221, and the first connecting portion 222 of the base 30 so as to be electrically connected to the first driving assembly 51 and/or the second driving assembly 52, it is understood that the wire may include two wires, each of which has one end connected to the circuit board 62, and the other end sequentially passes through the cover plate 312, the first pivot portion 32, one of the adapting sleeves 421, one of the first connecting sleeves 411, one of the supporting members 41, one of the adapting members 431, the second pivot portion 221, and the first connecting portion 222 of the base 30 so as to be electrically connected to the first driving assembly 51 and/or the second driving assembly 52, the other end of the other wire sequentially passes through the cover plate 312 of the base 30, the first pivot portion 32, the other adapter sleeve 421, the other support 41, the other adapter 431, the second pivot portion 221, and the first connection portion 222 to be electrically connected to the first driving assembly 51 and/or the second driving assembly 52. In order to achieve the effects of being more beautiful and electrically safe, the wires may be hidden in the cover plate 312, the first pivot portion 32, the adapting sleeve 421, the supporting member 41, the adapting member 431, the second pivot portion 221, the first connecting portion 222, the third connecting portion 224, and the second connecting portion 223, and routed so that the first driving assembly 51 is electrically connected to the circuit board 62 of the power module 60, and the second driving assembly 52 is electrically connected to the circuit board 62 of the power module 60.

In addition, it is understood that the foldable fan 10 may further include a switch control assembly (not shown) that may be mounted on the base 30 and electrically connected to the circuit board 62.

The use of the foldable fan 10 will be briefly described below.

As shown in fig. 3, the foldable fan 10 can be in a folded state, in which the supporting structure 40 is overlapped with the base 30, and when the fan assembly 20 is overlapped with the supporting structure 30, the foldable fan 10 is very convenient to carry and store. When the foldable fan 10 needs to be used, as the angle and the position of the fan assembly 20 shown in fig. 3 are suitable, the switch control assembly of the foldable fan 10 may also be directly opened to enable the fan blade assembly 211 of the fan main body 21 to rotate for air outlet.

When the air outlet angle and the height of the foldable fan 10 need to be adjusted, the air outlet at different heights, different angles and different positions of the fan main body 21 can be realized by rotating the supporting structure 40 and the base 30, rotating the supporting structure 40 and the fan assembly 20, extending and contracting the supporting member 41, rotating the supporting structure 40 and the connecting assembly 22, rotating the first connecting portion 222 and the third connecting portion 224, rotating the third connecting portion 224 and the second connecting portion 223, and the like, and specifically, as shown in fig. 1 and fig. 3-6, the foldable fan can be adapted to different use scenes to improve the user experience.

Specifically, as shown in fig. 3, the foldable fan 10 may be in a folded state, in which the supporting members 41 may be in a retracted state, the second connecting sleeve 412 may be received in the first connecting sleeve 411, the supporting structure 40 and the base 30 rotate to a first overlapped state overlapped with each other, the supporting structure 40 and the fan assembly 20 also rotate to a second overlapped state overlapped with each other, the fan body 21 is located on a side of the supporting structure 40 away from the base 30, and at least a portion of the connecting assembly 22 may be received in a space between the two supporting members 41, and in this case, the foldable fan 10 occupies a smaller volume and is more convenient to carry and store.

As shown in fig. 4, the foldable fan 10 can be in a use state, in which the supporting member 41 is in a retracted state, the base 30 supports the supporting structure 40, and thus the supporting structure 40 is in the first supporting state supported on the base 30, and the supporting structure 40 supports the fan assembly 20, so that the fan assembly 20 is in the second supporting state supported by the supporting structure 40. When it is necessary to make the fan assembly 20 at a higher height for blowing, the base 30 or the fan assembly 20 can be pulled manually to pull the two supporting members 41 from the retracted state to the extended state as shown in fig. 1, the two supporting members 41 become longer, and the fan assembly 20 is supported at a higher height for blowing.

Further, in the foldable fan 10 shown in fig. 4 and 1, the third connecting portion 224 may be controlled to rotate relative to the first connecting portion 222 (e.g., rotate around its central axis), so as to drive the second connecting portion 223 and the fan main body 21 to rotate, thereby realizing the left-right swinging of the fan main body 21 (as shown in fig. 5).

Furthermore, in addition to the foldable fan 10 shown in fig. 4 and 1, the second connecting portion 223 can be controlled to rotate relative to the third connecting portion 224, so as to drive and realize the vertical rotation of the fan main body 21 (as shown in fig. 6), and further realize the adjustment of the pitch angle.

Referring to fig. 7 and 8, fig. 7 is a schematic perspective view of a foldable fan 10' according to a second embodiment of the present invention; fig. 8 is a schematic diagram of a partially exploded structure of the first pivot portion 32 and the two adapter sleeves 421 of the foldable fan 10 shown in fig. 7. The foldable fan 10 'of the embodiment shown in fig. 7 and 8 has substantially the same structure as the foldable fan 10 of the first embodiment, that is, the above description of the foldable fan 10 of the first embodiment is applied to the foldable fan 10' of the second embodiment, and the following description focuses mainly on the differences between the second embodiment and the first embodiment. In the second embodiment, the foldable fan 10' further includes a locking member 70, and the locking member 70 is disposed on the first pivot portion 32 and is used for locking a connection state between the first pivot portion 32 and the adapting sleeve 421.

Specifically, it can be understood that in the first and second embodiments, the adapting sleeves 421 may include a main body adapting portion 422, a first connecting end 423 connected between the main body adapting portion 422 and the corresponding supporting member 41, and a second connecting end 424 connected between the main body adapting portion 422 and the first pivoting portion 32, the first pivoting portion 32 includes a housing 321, the housing 321 has a through hole 322, and the two second connecting ends 424 of the two adapting sleeves 421 respectively extend into two ends of the through hole 322 so that the two adapting sleeves 421 are rotatably connected to the base 30. It can be understood that the rotary connecting structure is simple, small in occupied volume and convenient to assemble and disassemble.

Further, in the first and second embodiments, the first pivot portion 32 may further include a damping friction member 323, and the damping friction member 323 is located between the second connecting end 424 and the inner sidewall of the housing 321; the number of the damping friction members 323 is four, two of the damping friction members 323 are located between one of the second connection ends 424 and the inner side wall of the outer shell 321, the other two of the damping friction members 323 are located between the other one of the second connection ends 424 and the inner side wall of the outer shell 321, and the damping friction members 323 are arc-shaped friction plates adapted to the shapes of the second connection ends 424 and the outer shell 321. It can be understood that the rotational connection angle between the base 30 and the supporting structure 40 can be locked by the damping friction member 323, which is convenient for the user to use.

Further, in the second embodiment, the housing 321 has an opening 324 communicating with the through hole 322, at least one side of the main body adapter 422 adjacent to the first pivot portion 32 has a slot 425, the locking member 70 includes a base 71, an operating portion 72 connected to the base 71, and a locking portion 73 connected to the base 71 and corresponding to the slot 425, the locking member 70 is located in the through hole 322, and the operating portion 72 protrudes out of the first pivot portion 32 through the opening 424, the operating portion 72 can slide along the opening when being operated, so that the locking portion 73 can be switched between a state of protruding into the slot 425 and being locked with the slot 425 and a state of sliding out of the slot 425 and being unlocked with the slot 425. It can be understood that the locking member 70 can lock the angle of the pivotal connection between the base 30 and the support structure 40 for the convenience of the user.

Further, in the second embodiment, the foldable fan 10' further includes an elastic reset piece 81, one end of the elastic reset piece 81 is connected to one end of the base 71 away from the locking portion 73, and the other end of the elastic reset piece is directly or indirectly abutted to the adapter sleeve 421 away from the locking portion 73, and the elastic reset piece 81 is configured to be compressed when the user operates the operation portion 72 to release the locking portion 73 from the locking groove 425, so as to drive the locking portion 73 to reset to be locked in the locking groove 425 when the user stops operating the operation portion 72. It can be understood that the elastic reset piece 81 can realize the automatic reset of the locking piece, which is convenient for the user to use.

Further, in the second embodiment, the number of the slots 425 is at least two, and specifically, the number of the slots 425 may be set according to actual requirements, the at least two slots 425 are arranged along an arc direction, the locking portion 73 may extend into different slots 425 so as to lock different connection states between the base 30 and the adapter sleeve 421, and further, the base 30 and the support structure 40 have different rotation connection angles. It will be appreciated that at least two of the slots 425 allow the base 30 to be rotatably coupled to the support structure 40 at different angles for user convenience.

Further, in the second embodiment, the locking element 70 further includes a mounting post 74 connected to one end of the base 71 away from the locking portion 73 and extending in a direction away from the locking portion 73, and the elastic restoring element 81 is a spring sleeved on the mounting post. It can be appreciated that spring elements are relatively common, low cost, reliable and the above structural design also makes assembly convenient and simple.

Further, in the second embodiment, the foldable fan 10' further includes a first fixing ring 82, the first fixing ring 82 abuts between the elastic restoring member 81 and a main body adapting portion 422 of the adapting sleeve 421 far away from the locking portion 73, and the first fixing ring 82 is sandwiched between the housing 321 and the main body adapting portion 422. The foldable fan 10' further includes a second fixing ring 83, and the second fixing ring 83 is sandwiched between the housing 321 and the body adapter 422 adjacent to the locking part 73. It can be understood that the first fixing ring 82 and the second fixing ring 83 can enhance the tight coupling between the first pivot portion 32 and the adapter sleeve 421, so that the assembled structure is more reliable.

Further, in the first and second embodiments, the foldable fan 10' may further include a fixing element 84, the two second connecting ends 424 each include a connecting hole 426, and the fixing element 84 sequentially connects the two second connecting ends 424 through the two connecting holes 426 of the two second connecting ends 424, so that the first pivot joint portion 32 and the adapter sleeve 421 are tightly combined, and the assembled structure is more reliable.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (15)

1. A foldable fan, its characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

a fan assembly;

a base; and

the supporting structure is connected between the fan assembly and the base and comprises two supporting pieces, a first connecting piece and a second connecting piece, the two supporting pieces are arranged in parallel, one end of the first connecting piece is connected with one ends of the two supporting pieces, the other end of the first connecting piece is also rotatably connected with the base, one end of the second connecting piece is connected with the other ends of the two supporting pieces, and the other end of the second connecting piece is also rotatably connected with the fan assembly,

the supporting structure can rotate relative to the base and can be switched between a first folding state of folding with the base and a first supporting state of being supported on the base; the fan assembly is rotatable relative to the support structure such that the fan assembly is switchable between a second collapsed state in which the fan assembly is collapsed with the support structure and a second supported state in which the fan assembly is supported on the support structure.

2. The folding fan of claim 1, further comprising: the two supporting pieces are telescopic supporting pieces with adjustable supporting lengths; two support pieces all include two at least scalable connection's sleeve pipe, two at least scalable connection's sleeve pipe including connect first adapter sleeve of first connecting piece and with first adapter sleeve sliding connection's second adapter sleeve, second adapter sleeve slidable accomodate in first adapter sleeve, just second adapter sleeve still connects the second connecting piece.

3. The folding fan of claim 1, further comprising: the first connecting piece comprises two adapter sleeves correspondingly connected with the two supporting pieces, and the two adapter sleeves are respectively connected with one ends, far away from the fan assembly, of the two supporting pieces and rotatably connected with the base.

4. The folding fan of claim 3, wherein: the base comprises a main body and a first pivoting part arranged on the main body, and the first pivoting part is positioned between the two adapter sleeves; the two supporting pieces, the two adapter sleeves and a part of the first pivoting part between the two adapter sleeves enclose a U shape.

5. The folding fan of claim 4, wherein: the adapter sleeve comprises a main body adapter part, a first connecting end and a second connecting end, wherein the first connecting end is connected between the main body adapter part and the corresponding support piece, the second connecting end is connected between the main body adapter part and the first pin joint part, the first pin joint part comprises a shell, the shell is provided with a through hole, and the two second connecting ends of the two adapter sleeves respectively extend into two ends of the through hole to enable the two adapter sleeves to be rotatably connected with the base.

6. The folding fan of claim 5, further comprising: the first pivoting part further comprises a damping friction piece, and the damping friction piece is positioned between the second connecting end and the inner side wall of the shell; the number of damping friction piece is four, wherein two the damping friction piece is located one the second link with between the inside wall of shell, two the other damping friction piece is located another the second link with between the inside wall of shell, the damping friction piece be with the second link reaches the arc friction disc of shell shape adaptation.

7. The folding fan of claim 5, further comprising: the foldable fan further comprises a locking piece, wherein the locking piece is arranged on the first pivoting part and used for locking the connection state of the first pivoting part and the adapter sleeve; the shell is provided with an opening communicated with the through hole, one side, adjacent to the first pivoting portion, of at least one main body switching portion is provided with a clamping groove, the locking piece comprises a base body, an operation portion connected to the base body and a locking portion connected to the base body and corresponding to the clamping groove, the locking piece is located in the through hole, the operation portion extends out of the first pivoting portion through the opening, and the operation portion can slide along the opening when being operated, so that the locking portion can be switched between a state of extending into the clamping groove to be clamped with the clamping groove and a state of sliding out of the clamping groove to be released from clamping with the clamping groove.

8. The folding fan of claim 7, further comprising: the foldable fan further comprises an elastic resetting piece, one end of the elastic resetting piece is connected with one end, far away from the locking part, of the base body, the other end of the elastic resetting piece is directly or indirectly abutted against the adapter sleeve far away from the locking part, the elastic resetting piece is used for being compressed when a user operates the operation part to enable the locking part and the clamping groove to be unlocked, and then the locking part is driven to reset to be clamped in the clamping groove when the user stops operating the operation part.

9. The folding fan of claim 8, further comprising: the number of the clamping grooves is at least two, the at least two clamping grooves are arranged along the arc direction, the locking part can extend into the different clamping grooves so as to lock and fix different connection states between the base and the adapter sleeve, and the base and the supporting structure also have different rotation connection angles.

10. The folding fan of claim 8, further comprising: the locking piece is still including connect in the base member is kept away from locking portion one end and towards keeping away from the erection column that the direction of locking portion extends, elasticity resets and is the spring, the spring housing is located on the erection column.

11. The folding fan of claim 8, further comprising: the foldable fan further comprises a first fixing ring, the first fixing ring is abutted between the elastic resetting piece and a main body switching part of the switching sleeve far away from the locking part, and the first fixing ring is clamped between the shell and the main body switching part; the foldable fan further comprises a second fixing ring, and the second fixing ring is clamped between the shell and the main body adapter part adjacent to the locking part; the foldable fan further comprises a fixing piece, the two second connecting ends comprise connecting holes, and the fixing piece sequentially connects the two second connecting ends through the two connecting holes of the two second connecting ends.

12. The folding fan of claim 1, further comprising: the second connecting piece comprises two adapter pieces which are correspondingly connected with the two supporting pieces respectively, and one ends of the two adapter pieces, which are far away from the supporting pieces, are also used for being rotationally connected with the fan assembly.

13. The folding fan of claim 12, further comprising: the fan assembly comprises a fan main body and a connecting assembly connected between the fan main body and the second connecting piece, the connecting assembly comprises a second pivot part, and the second pivot part is positioned between the two adapter pieces; the two supporting pieces, the two adapter pieces and the second pivoting part form a U shape.

14. The folding fan of claim 13, further comprising: the connecting assembly further comprises a first connecting part connected with the second pivoting part, a second connecting part connected with the fan main body and a third connecting part connected between the first connecting part and the second connecting part; the first connecting part is also pivoted with the third connecting part, so that the fan main body, the second connecting part and the third connecting part can rotate relative to the first connecting part to adjust the blowing angles of the left side, the right side or the upper side and the lower side; the second connecting part is also pivoted with the third connecting part, so that the fan main body and the second connecting part can rotate relative to the third connecting part to adjust the blowing angle of the upper side, the lower side, the left side and the right side.

15. The folding fan of claim 14, further comprising: when the folding fan is in a folded state, the supporting structure and the base are in the first overlapped state, the fan assembly and the supporting structure are in the second overlapped state, the fan main body is located on one side of the supporting structure far away from the base, and at least part of the connecting assembly is accommodated between the two supporting pieces.

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