CN216342900U - Fan - Google Patents

Abstract

The utility model relates to the technical field of heat dissipation devices, and discloses a fan which comprises fan blades, an upper shell and a lower shell, wherein the fan blades are rotatably connected to the upper part of the upper shell, a driving assembly which is connected with the fan blades and can drive the fan blades to rotate is arranged in the upper shell, an accommodating cavity is arranged in the lower shell, an opening is formed in the top of the accommodating cavity, the caliber of the opening is larger than the outer diameter of the upper shell, at least part of the bottom of the upper shell is inserted into the accommodating cavity through the opening, the upper shell is slidably arranged in the accommodating cavity, and positioning assemblies which are matched with the upper shell for positioning are respectively arranged at the top of the accommodating cavity and the bottom of the accommodating cavity. The fan adopting the technical scheme of the utility model has the advantages of simple structure, telescopic structure, reduced volume and capability of avoiding the problems of large volume and inconvenient carrying of the fan.

Description

Fan

Technical Field

The utility model relates to the technical field of heat dissipation devices, in particular to a fan.

Background

At present, a small fan is a common blowing cooling tool, mainly comprises a power supply, a driving motor and fan blades, is frequently used in our lives, and is particularly hard to endure high temperature when people go out in hot summer, and people like to carry a hand-held small fan when going out, so that people can blow air and cool when going out. The existing small handheld fan is large in size, occupies a space and is inconvenient to carry.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is: the utility model provides a fan, this fan simple structure, and the fan is scalable, has reduced the volume of fan, has avoided the fan bulky, carries inconvenient problem.

In order to achieve the purpose, the utility model provides a fan, which comprises fan blades, an upper shell and a lower shell, wherein the fan blades are rotatably connected to the upper part of the upper shell, a driving assembly which is connected with the fan blades and can drive the fan blades to rotate is arranged in the upper shell, an accommodating cavity is arranged in the lower shell, an opening is formed in the top of the accommodating cavity, the caliber of the opening is larger than the outer diameter of the upper shell, at least part of the bottom of the upper shell is inserted into the accommodating cavity through the opening, the upper shell is slidably arranged in the accommodating cavity, and positioning assemblies which are matched with the upper shell for positioning are respectively arranged at the top of the accommodating cavity and the bottom of the accommodating cavity.

In some embodiments of the present application, the fan further includes an elastic member, the elastic member is disposed in the accommodating cavity, one end of the elastic member abuts against the upper housing, and the other end of the elastic member abuts against the bottom wall of the accommodating cavity.

In some embodiments of the present application, the positioning assembly includes a push-type retractor connected to the upper housing and a lock catch connected to the lower housing, and the lock catch is disposed at the bottom of the accommodating cavity.

In some embodiments of the present application, the bottom surface of the upper housing is provided with an insertion hole for the lock catch to pass through, and the pressing type retractor is disposed above the insertion hole.

In some embodiments of the present application, a recessed portion is disposed on an upper portion of the upper housing, and the fan blade is rotatably disposed in the recessed portion.

In some embodiments of the present application, a leading-in portion is disposed at a bottom of the upper housing, an outer diameter of the leading-in portion is smaller than an outer diameter of the upper housing, a limiting surface is formed between the leading-in portion and the upper housing, and the elastic member abuts against the limiting surface.

In some embodiments of this application, the below of induction portion is equipped with the installation department, the installation department with be formed with between the induction portion and be used for dodging the groove is dodged to the hasp, the setting of push type drag hook is in the induction portion, just the push type drag hook with dodge the corresponding setting in groove.

In some embodiments of this application, be equipped with control assembly, drive assembly in the upper casing and do drive assembly reaches the battery of control assembly power supply, the bottom of installation department is equipped with and is used for doing the interface that charges that the battery charges, control assembly with the drive assembly electricity is connected, be equipped with on the upper casing with the switch that the control assembly electricity is connected.

In some embodiments of this application, go up the casing including dismantling first front shroud and the first back shroud that links to each other, the lower part of first front shroud be equipped with be used for with the spacing buckle of the opening joint of casing down.

In some embodiments of the present application, the lower housing includes a second front cover and a second rear cover, the second front cover and the second rear cover defining the receiving chamber therebetween.

Compared with the prior art, the fan provided by the embodiment of the utility model has the beneficial effects that:

the fan provided by the embodiment of the utility model has the advantages that the upper shell and the lower shell which are connected in a sliding manner are arranged, so that a user can store the upper shell in the containing cavity of the lower shell when not in use, the volume of the fan is reduced, the fan is convenient to carry, the length of a holding part of the user can be lengthened by using the upper shell only by drawing the upper shell out of the containing cavity when in use, the comfort of the user is improved, furthermore, the top and the bottom of the containing cavity are respectively provided with the positioning assemblies, the upper shell can be positioned when the fan is in a use state and a storage state, and the influence of the position movement of the upper shell on normal use is avoided.

Drawings

FIG. 1 is a schematic structural diagram of a fan according to an embodiment of the present invention;

FIG. 2 is a schematic view of a fan according to an embodiment of the present invention in a compressed state (with the first front cover and the second front cover removed);

FIG. 3 is a schematic structural view of the fan according to the embodiment of the present invention in an unfolded state (with the first front cover and the second front cover removed);

FIG. 4 is a schematic view of a fan according to an embodiment of the present invention in a compressed state (with the second front cover removed);

FIG. 5 is a schematic view of a fan according to an embodiment of the present invention in a compressed state (with the second front cover removed);

in the figure, 100, fan blades, 200, an upper shell, 210, a plug hole, 220, a limiting surface, 230, a limiting buckle, 240, a concave position, 250, a leading-in part, 260, a mounting part, 300, a lower shell, 400, an elastic part, 500, a push type draw hook, 600 and a lock catch.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The utility model will be further explained and explained with reference to the drawings and the embodiments in the description. The step numbers in the embodiments of the present invention are set for convenience of illustration only, the order between the steps is not limited at all, and the execution order of each step in the embodiments can be adaptively adjusted according to the understanding of those skilled in the art.

As shown in fig. 1 to 5, a fan according to a preferred embodiment of the present invention includes a fan blade 100, an upper casing 200 and a lower casing 300, wherein the fan blade 100 is rotatably connected to an upper portion of the upper casing 200, a driving assembly connected to the fan blade 100 and capable of driving the fan blade 100 to rotate is disposed in the upper casing 200, an accommodating chamber is disposed in the lower casing 300, an opening is disposed at a top of the accommodating chamber, a diameter of the opening is larger than an outer diameter of the upper casing 200, at least a portion of a bottom of the upper casing 200 is inserted into the accommodating chamber through the opening, the upper casing 200 is slidably disposed in the accommodating chamber, and positioning assemblies are disposed at the top of the accommodating chamber and the bottom of the accommodating chamber and are respectively configured to be matched with and positioned by the upper casing 200.

Based on above technical scheme, through setting up the last casing 200 and lower casing 300 that slide and link to each other, thereby the user can be when not using, accomodate last casing 200 in the holding intracavity of casing 300 down, the volume of fan has been reduced, thereby be convenient for carry of fan, when using, only need to go up casing 200 and take out the length that just can utilize last casing 200 extension user's the position of gripping from holding the intracavity, thereby improve user's comfort, further, the top and the bottom in holding chamber are equipped with locating component respectively, thereby can all fix a position last casing 200 when the fan is in user state and accomodates the state, avoid the position of going up casing 200 to move and influence normal use.

In some embodiments of the present application, the fan further includes an elastic member 400, the elastic member 400 is disposed in the accommodating cavity, one end of the elastic member 400 abuts against the upper housing 200, and the other end of the elastic member 400 abuts against the bottom wall of the accommodating cavity, so that the elastic member 400 is in a compressed state when the upper housing 200 is accommodated, and a reaction force of the elastic member 400 can push the upper housing 200 when the upper housing 200 is expanded, thereby facilitating the upper housing 200 to be drawn out from the accommodating cavity. In some embodiments of the present application, the elastic member 400 is a spring.

In some embodiments of the present application, the positioning assembly includes a push-type retractor 500 connected to the upper housing 200 and a lock catch 600 connected to the lower housing 300, wherein the lock catch 600 is disposed at the bottom of the receiving cavity. The push-type drag hook 500 and the lock catch 600 are arranged, so that a user can conveniently push and control the positioning of the upper shell 200, the operation is convenient, the push-type drag hook 500 is a push-type drag hook and lock catch structure as in CN210417865U, the push-type drag hook 500 and the lock catch 600 are commonly used devices for push-type opening or closing in the field, and can be purchased externally, and the structure of the utility model is not improved, so the detailed structure and working principle thereof are not repeated herein.

Referring to fig. 3, in some embodiments of the present application, the bottom surface of the upper housing 200 is provided with an insertion hole 210 for the lock catch 600 to pass through, the push-type retractor 500 is disposed above the insertion hole 210, and the insertion hole 210 is disposed on the upper housing 200, so that the push-type retractor 500 is located in the upper housing 200, when the upper housing 200 is accommodated in the accommodating cavity, the bottom of the upper housing 200 can protect the push-type retractor 500, thereby preventing the retractable buckle switch at the front end of the push-type retractor 500 from being damaged, and prolonging the service life of the retractable buckle switch.

Referring to fig. 5, in some embodiments of the present application, a recessed portion 240 is formed at an upper portion of the upper housing 200, the fan blade 100 is rotatably disposed in the recessed portion 240, and the fan is mounted in the recessed portion 240, so that the volume of the fan in the storage state is further reduced,

referring to fig. 2 to 5, in some embodiments of the present application, the bottom of the upper housing 200 is provided with an introduction portion 250, an outer diameter of the introduction portion 250 is smaller than an outer diameter of the upper housing 200, a limiting surface 220 is formed between the introduction portion 250 and the upper housing 200, the elastic element 400 abuts against the limiting surface 220, and the introduction portion 250 is provided to facilitate the installation of the elastic element 400 and guide the movement of the elastic element 400.

Referring to fig. 3, 4 and 5, in some embodiments of the present invention, a mounting portion 260 is disposed below the introducing portion 250, an avoiding groove for avoiding the lock catch 600 is formed between the mounting portion 260 and the introducing portion 250, and the push-type retractor 500 is disposed in the introducing portion 25 at a position opposite to the avoiding groove. Specifically, the insertion hole for the lock catch 600 to pass through is formed in the face, connected with the avoiding groove, of the leading-in portion 250, and the push type draw hook 500 is arranged in the leading-in portion 25 at a position opposite to the insertion hole, so that the installation portion 260 and the push type draw hook 500 are arranged in a staggered mode, devices such as a circuit board are conveniently arranged on the installation portion 260, the space is fully utilized, and the size of the fan is further reduced.

In some embodiments of the present application, a control assembly (not shown in the figure), a driving assembly (not shown in the figure), and a battery (not shown in the figure) for supplying power to the driving assembly and the control assembly are disposed in the upper casing 200, a charging interface (not shown in the figure) for charging the battery is disposed at the bottom of the mounting portion 260, so as to facilitate energy supplement to the battery, the control assembly is electrically connected to the driving assembly, a switch (not shown in the figure) electrically connected to the control assembly is disposed on the upper casing 200, and by setting the switch, a user can control the fan to rotate or stop. In some embodiments of the present application, the drive assembly is an electric motor.

In some embodiments of the present application, the upper housing 200 includes a first front cover (not shown) and a first rear cover (not shown) detachably connected to each other, so as to facilitate detachment of the upper housing 200, thereby facilitating maintenance or replacement of the driving assembly, the control assembly, the battery and the push-type retractor 500 in the upper housing 200, a limiting buckle 230 for being clamped with the opening of the lower housing 300 is disposed at the lower portion of the first front cover, and by disposing the limiting buckle 230, the upper housing 200 can be prevented from being completely separated from the accommodating cavity when the upper housing 200 is pushed out by the reaction force of the elastic element 400, thereby facilitating storage thereof, further, the directions of the reaction forces of the limiting buckle 230 and the spring are opposite, thereby being capable of performing a good positioning function on the upper housing 200, ensuring that the upper housing 200 cannot move along with rotation of the fan blades 100 during use, and ensuring safety in use. In some embodiments of the present application, the lower housing 300 includes a second front cover (not shown) and a second rear cover (not shown) detachably connected to each other, thereby facilitating maintenance or replacement of the spring and the latch 600 in the lower housing 300.

In some embodiments of the present application, the upper housing 200 and the lower housing 300 are both cylindrical in shape, thereby facilitating gripping by a user and improving comfort for the user.

The working process of the utility model is as follows: when the user needs to use the fan, only need press the top of upper housing 200 once, the flexible buckle switch of push type drag hook 500 separates with hasp 600, under the effort of the compression spring in push type drag hook 500, upper housing 200 rises from holding the intracavity, upper housing 200 and lower housing 300 constitute the portion of gripping jointly, the user just can hold the fan and normally used, when the user does not use the fan, as long as go up the housing 200 and impress the holding intracavity, press the top of upper housing 200 this moment, the flexible buckle switch of push type drag hook 500 can the gomphosis at the salient of hasp 600, upper housing 200 is accomodate in lower housing 300, under the prerequisite that does not influence the comfort of use, the volume of fan at non-use state has been reduced.

To sum up, the embodiment of the present invention provides a fan, which is provided with an upper casing 200 and a lower casing 300 connected in a sliding manner, so that a user can store the upper casing 200 in a storage cavity of the lower casing 300 when not in use, the volume of the fan is reduced, and the fan is convenient to carry, when in use, the length of a holding part of the user can be increased by using the upper casing 200 only by drawing the upper casing 200 out of the storage cavity, thereby improving the comfort of the user, further, the top and the bottom of the storage cavity are respectively provided with a positioning component, so that the upper casing 200 can be positioned when the fan is in a use state and a storage state, and the influence of the position movement of the upper casing 200 on normal use is avoided.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", "lateral", "longitudinal", "X-axis direction", "Y-axis direction", "Z-axis direction", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Moreover, some of the above terms may be used to indicate other meanings besides orientation or position, for example, the term "on" may also be used to indicate some kind of dependency or connection in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a fan, its characterized in that, includes flabellum, upper housing and lower casing, the flabellum rotates to be connected the upper portion of upper housing, be equipped with in the upper housing with the flabellum links to each other and can drive flabellum pivoted drive assembly, the internal holding chamber that is equipped with of lower casing, the top in holding chamber is equipped with the opening, the bottom of upper housing is at least partly passed through the opening inserts the holding intracavity, the open-ended bore is greater than the external diameter of upper housing.

2. The fan as claimed in claim 1, further comprising an elastic member disposed in the accommodating chamber, wherein one end of the elastic member abuts against the upper housing, and the other end of the elastic member abuts against a bottom wall of the accommodating chamber.

3. The fan as claimed in claim 2, wherein the positioning member comprises a push-type retractor connected to the upper housing and a latch connected to the lower housing, the latch being disposed at the bottom of the receiving cavity.

4. The fan as claimed in claim 3, wherein the bottom surface of the upper housing is provided with an insertion hole for the lock catch to pass through, and the push-type retractor is disposed above the insertion hole.

5. The fan as claimed in claim 1, wherein the upper portion of the upper housing is formed with a recess, and the fan blades are rotatably disposed in the recess.

6. The fan as claimed in claim 3, wherein a leading-in portion is provided at a bottom of the upper casing, an outer diameter of the leading-in portion is smaller than an outer diameter of the upper casing, a limiting surface is formed between the leading-in portion and the upper casing, and the elastic member abuts against the limiting surface.

7. The fan as claimed in claim 6, wherein a mounting portion is provided below the leading portion, an avoiding groove for avoiding the lock catch is formed between the mounting portion and the leading portion, the push-type drag hook is provided in the leading portion, and the push-type drag hook and the avoiding groove are correspondingly provided.

8. The fan as claimed in claim 7, wherein a control assembly, a driving assembly and a battery for supplying power to the driving assembly and the control assembly are arranged in the upper casing, a charging interface for charging the battery is arranged at the bottom of the mounting portion, the control assembly is electrically connected with the driving assembly, and a switch electrically connected with the control assembly is arranged on the upper casing.

9. The fan according to any one of claims 1 to 8, wherein the upper housing comprises a first front cover and a first rear cover which are detachably connected, and a limiting buckle used for being clamped with the opening of the lower housing is arranged at the lower part of the first front cover.

10. The fan as claimed in any one of claims 1 to 8, wherein the lower case includes a second front cover and a second rear cover detachably coupled to each other, the second front cover and the second rear cover defining the receiving chamber therebetween.

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