CN215890530U

CN215890530U - Portable fan

Info

Publication number: CN215890530U
Application number: CN202121606931.8U
Authority: CN
Inventors: 叶建荣; 陈栋
Original assignee: New Genius Sz technology Co ltd
Current assignee: New Genius Sz technology Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2022-02-22
Anticipated expiration: 2031-07-13

Abstract

The utility model relates to a portable fan, which relates to the technical field of fans and comprises an air supply device and a fixing device, wherein the air supply device comprises a shell and fan blades which are rotatably arranged in the shell; by arranging the deformable core bar and arranging the rubber coating piece on the outer side of the core bar, a user can bend the support legs at will, so that the product can be vertically arranged on a horizontal plane and can be flexibly wound and fixed on various positions, and the flexible installation degree of the portable fan is improved; meanwhile, the portable fan can be fixed and the wind direction of the air supply device can be adjusted by bending the support legs into a preset shape, so that the use convenience is improved; secondly, the arrangement of the rubber coating piece also improves the comfort of users in holding and using.

Description

Portable fan

Technical Field

The utility model relates to the technical field of fans, in particular to a portable fan.

Background

The portable fan drives the fan blades to rotate directionally through the motor so as to push the air to flow directionally. In people's daily life, portable fans are often of the stand-on type or hand-held type.

However, in the practical use process of the portable fan, both the vertical type portable fan and the handheld type portable fan have certain disadvantages, for example, in a part of use scenes, enough space may not be provided for the vertical type portable fan, and the installation flexibility of the vertical type portable fan is low; the handheld portable fan needs a user to vacate a hand to hold the portable fan, so that the use convenience is poor; moreover, when the user holds the portable fan for a long time, the user often feels uncomfortable with his hands, which is not comfortable.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a portable fan which is high in installation flexibility, strong in use convenience and excellent in use comfort.

The utility model provides a portable fan which comprises an air supply device, wherein the air supply device comprises a shell and fan blades rotatably arranged in the shell, the portable fan further comprises a fixing device, the fixing device comprises a connecting piece and supporting legs, the connecting piece is connected with the shell, the supporting legs comprise deformable core bars and rubber coating pieces arranged on the outer sides of the core bars, and the core bars are connected with the connecting piece.

In some embodiments, the rubber-covered member is provided with a standing end and a fixed end, the fixed end is connected with the connecting member, and the standing end is provided with a ball top.

In some embodiments, a holding curved surface is provided at a connecting position of the ball top portion and the standing end, the holding curved surface is recessed in a direction close to the core rod, and a side wall of the holding curved surface is used for being held with an external object.

In some embodiments, the surface of the rubber-covered part is provided with at least one anti-slip stripe.

In some embodiments, the connecting member includes a rotating shaft rotatably connected to the housing, a head portion disposed on the rotating shaft, and a receiving portion disposed on the head portion;

the accommodating part is provided with an accommodating groove, the bottom of the accommodating groove is provided with a fixing hole, the accommodating groove is used for accommodating the rubber coating piece, and the core rod is inserted into the fixing hole.

In some embodiments, the portable electronic device further comprises a movable connecting device, the movable connecting device comprises a mounting seat, a support and a connecting mechanism, the connecting piece is rotatably arranged on the mounting seat, the support is detachably and movably connected with the mounting seat, and the shell is connected with the support through the connecting mechanism.

In some embodiments, the connecting mechanism comprises a protruding shaft disposed on the housing, and a plug detachably disposed on the bracket; the protruding shaft penetrates through the shaft hole in the support, and the plug is used for covering the shaft hole.

In some embodiments, the movable connection device further comprises a limiting plate, an adapter plate disposed on the limiting plate, and a threaded plate disposed on the adapter plate;

the adapter plate and the limiting plate jointly enclose a movable cavity with a limiting opening, the movable cavity is used for accommodating the connecting piece, the connecting piece can slide along the side wall of the limiting opening, a threaded hole is formed in the threaded plate, and the mounting seat is in threaded connection with the threaded hole.

In some embodiments, the movable connection device further includes a magnetic attraction round head, the magnetic attraction round head is arranged on the support, a magnetic attraction groove matched with the magnetic attraction round head in shape is formed in the mounting base, and the magnetic attraction round head is detachably and rotatably arranged in the magnetic attraction groove.

In some embodiments, the air supply device further comprises a drive; the casing includes preceding shell and backshell, set up a plurality of front ventilation holes that are separated by a plurality of wind-guiding fences on the preceding shell, set up a plurality of back ventilation holes on the backshell, preceding shell with the backshell encloses into the installation cavity jointly, the flabellum with the driving piece set up respectively in the installation cavity, the driving piece with the flabellum drive is connected.

In some embodiments, the air supply device further includes a battery cover, a battery slot for mounting a battery is opened on the rear casing, and the battery cover is detachably covered on the battery slot.

The beneficial effects of the utility model include: according to the portable fan, the deformable core bar is arranged, and the rubber wrapping piece is arranged on the outer side of the core bar, so that a user can bend the support legs at will, a product can be vertically arranged on a horizontal plane and can be flexibly wound and fixed on various positions, and the flexible installation degree of the portable fan is improved; meanwhile, the portable fan can be fixed and the wind direction of the air supply device can be adjusted by bending the support legs into a preset shape, so that the use convenience is improved; secondly, the arrangement of the rubber coating piece also improves the comfort of users in holding and using.

Drawings

The utility model will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic diagram of a portable fan in accordance with a preferred embodiment of the present invention;

FIG. 2 is a state diagram of the portable fan of FIG. 1 in use;

FIG. 3 is an exploded view of the air supply apparatus in a preferred embodiment of the present invention;

FIG. 4 is an exploded view of a fastening device in accordance with a preferred embodiment of the present invention;

FIG. 5 is a cross-sectional schematic view of the fixture shown in FIG. 4;

FIG. 6 is an exploded view of the articulating mechanism of a preferred embodiment of the utility model;

FIG. 7 is a schematic view of the structure between the articulating mechanism and the anchoring mechanism in a preferred embodiment of the utility model;

fig. 8 is a schematic view of the articulating mechanism of fig. 7 from another perspective.

Detailed Description

For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

Fig. 1 and 2 illustrate a portable fan 1 for driving a directional flow of air to form an airflow in some embodiments of the present invention. The portable fan 1 comprises a fixing device 11, a movable connecting device 12 and an air supply device 13. The fixing device 11 is used for mounting and fixing to a predetermined mounting position of a product. The movable connecting device 12 is used for connecting the fixing device 11 and the air supply device 13. The air supply device 13 is used for driving air to flow directionally.

As shown in fig. 2 and 3, the blowing device 13 includes a housing 133 and a fan 132 in some embodiments. The housing 133 serves to protect the fan blades 132 and prevent the fan blades 132 from colliding with foreign objects. The fan 132 is rotatably disposed in the housing 133, and the fan 132 is used for driving air to flow in a predetermined direction during rotation to form an air flow.

As shown in fig. 4, the fixing device 11 in some embodiments includes a connecting member 112 and a leg 111. The connecting member 112 is used to connect the housing 133 and the leg 111. The legs 111 are used to support or wind at predetermined positions; wherein, the supporting leg 111 comprises a core 1111 and a rubber coating 1112. The core bar 1111 is connected to the connecting member 112 to drive the plastic-covered member 1112 to bend and deform synchronously. The rubber coating 1112 is arranged on the outer side of the core rod 1111.

It will be appreciated that core 1111 may have some deformability, and further, core 1111 may be made of a metal material, and specifically, core 1111 may be made of an aluminum metal. The rubber coating 1112 is made of a soft rubber material, and further, the rubber coating 1112 can be directly formed on the core rod 1111 by adopting an insert injection molding process and can also be arranged on the core rod 1111 in a later-stage bonding manner; second, the encapsulation 1112 may encapsulate part or all of the core 1111, or may encapsulate the core 1111 in segments.

It can be understood that the shape of the core bar 1111 can be flexibly set according to different actual products, and can be set to be cylindrical, triangular prism or quadrangular prism; preferably, the core 1111 is formed in a cylindrical shape, and the cylindrical core 1111 is not easily damaged by stress concentration during the bending deformation.

As shown in fig. 1 and 2, in some embodiments, the number of the legs 111 can be flexibly set as long as the product can be fixed at a predetermined position; preferably, the number of the legs 111 is three, the three legs 111 can provide excellent stability when standing, and the three legs 111 can flexibly adapt to various installation angles and installation positions when being wound and fixed.

As shown in fig. 4, the overmold 1112 can, in some embodiments, provide an upstanding end 1112a and a fixed end 1112b, and the leg 111 can, in some embodiments, include a dome 1113, the fixed end 1112b being coupled to the connector 112, and the fixed end 1112b being configured to couple the body of the overmold 1112 to the connector 112. Ball top 1113 is disposed on the upright end 1112a and ball top 1113 serves to support the overmold 1112.

It is understood that the ball top 1113 can be irregular spherical, but can also be incomplete spherical, so long as it supports the overmold 1112; in the case where the rubber 1112 is bent into various shapes, the spherical top 1113 can still be in effective contact with an external object, so that the air supply device 13 can be reliably supported by the rubber 1112.

It can also be understood that the ball top 1113 can be made of soft rubber, so that the contact area between the ball top and an external object is increased by deformation when the ball top is in contact with the external object, and the vertical stability and the winding stability of the product are improved. The ball top 1113 can be integrally formed on the rubber coating 1112, so that the connection strength of the connection position of the rubber coating 1112 and the ball top 1113 is improved, and the durability of the product is improved.

As shown in fig. 4, the connection position of the ball top 1113 and the standing end 1112a may be provided with a curved gripping surface 1114 in some embodiments, the curved gripping surface 1114 is recessed toward the core 1111, and the sidewall of the curved gripping surface 1114 is used for gripping with an external object.

It can be understood that when the supporting leg 111 is wound on an article with corners, the curved gripping surface 1114 can be clamped on the corners of the article, so that a gripping force and a friction force are formed between the curved gripping surface 1114 and the corners of the article, and the stability of the product winding arrangement is further improved.

As shown in fig. 4, in some embodiments, the surface of the overmold 1112 can be provided with at least one non-slip stripe 1112c in some embodiments.

It will be appreciated that the anti-slip stripes 1112c can increase the coefficient of friction between the surface of the overmold 1112 and the external article, thereby increasing the friction between the overmold 1112 and the external article, further improving the winding set stability of the product.

Further, the thickness of the anti-slip stripe 1112c is 0.2mm to 0.3 mm.

It is understood that the anti-slip stripe 112 can be formed by injection molding with a groove at a corresponding position of the injection mold, so that the groove on the mold can be filled with the rubber material, thereby forming the anti-slip stripe 1112c at the same time as the rubber covered element 1112.

As shown in fig. 4 and 5, in some embodiments, the connecting member 112 may include a rotating shaft 1122, a swinging head 1121, and a receiving portion 1123. The rotating shaft 1122 is rotatably connected to the housing 133, and the rotating shaft 1122 serves to limit the relative position between the pendulum head portion 112 and the housing 133, so that the pendulum head portion 112 can only rotate along a certain track relative to the housing 133. The head portion 1121 is provided on the rotating shaft 1122, and the head portion 1121 fixes the accommodating portion 1123. The receiving portion 1123 is used for fixing the rubber coating 1112.

It can be understood that the rotating shaft 1122, the swinging head 1121 and the accommodating portion 1123 can be formed integrally, so as to improve the overall mechanical strength of the connecting member 112 and improve the durability of the product.

Specifically, the accommodating portion 1123 is provided with an accommodating groove 1123a, the bottom of the accommodating groove 1123a is provided with a fixing hole 1123b, the accommodating groove 1123a is used for accommodating the rubber-coated piece 1112, and the core rod 1111 is inserted into the fixing hole 1123 b.

It is understood that portions of the overmold 1112 can be disposed within the pockets 1123a by way of an adhesive, interference fit, or the like. Portions of core rod 1111 are secured within securing holes 1123b, and more specifically, core rod 1111 may be secured within securing holes 1123b by adhesive, interference fit, or screw-locking.

It is also understood that the connecting member 112 can be fixedly disposed on the housing 133, and of course, the connecting member 112 can be slidably disposed on the housing 133.

As shown in FIG. 6, the articulating mechanism 12 may, in some embodiments, include a mount 121, a bracket 122, and a coupling mechanism 123. The connecting member 112 is rotatably disposed on the mounting seat 121, and the mounting seat 121 plays a role of supporting and fixing the bracket 122. The bracket 122 is detachably and movably connected with the mounting seat 121, and the bracket 122 is used for supporting the air supply device 13. The housing 133 is connected to the bracket 122 by a connecting mechanism 123, and the connecting mechanism 123 is used for connecting the blower 13 and the housing 133.

It can be understood that the bracket 122 and the mounting seat 121 can be detachably connected by a snap structure, a magnetic attraction structure, a thread structure, or a screw lock. The connecting mechanism 123 may be a rotating shaft, a screw, a hinge, or the like, as long as the housing 133 can be fixed to the bracket 122.

It is also understood that the shape structure of the bracket 122 can be flexibly configured according to the shape of the housing 133; preferably, the bracket 122 is a U-like structure, and the U-shaped bracket has a good resilient acting force and can clamp and fix the air supply device 13; more preferably, the bracket 122 has an axisymmetrical structure, and the axisymmetrical bracket 122 has good stability and improves the stability of the product during operation.

As shown in fig. 6, the connecting mechanism 123 in some embodiments includes a protruding shaft 1231 and a plug 1232, and the support 122 may have a shaft hole 1221. The protruding shaft 1231 is disposed on the housing 133, the protruding shaft 1231 penetrates through the shaft hole 1221, and the protruding shaft 1231 is used for supporting the housing 133 to rotate relative to the bracket 122, so that the angle between the blowing device 13 and the bracket 122 is adjustable. The plug 1232 covers the shaft hole 1221, plays a role in plugging the shaft hole 1221, and prevents external pollutants from entering the shaft hole 1221.

It is understood that the protruding shaft 1231 may be provided in a cylindrical shape; the protruding shaft 1231 may be integrally formed with the housing 133, or may be disposed on the housing 133 by bonding or screwing. The plug 1232 may be made of soft or hard glue.

As shown in fig. 6, 7 and 8, the articulating mechanism 12, in some embodiments, further includes a stop plate 124, an adapter plate 125 and a threaded plate 126. The retainer plate 124 is connected to the adapter plate 125, and the retainer plate 124 is used for retaining the connector 112. The adapter plate 125 is used to connect the screw plate 126 and the limiting plate 124, and serves to fix the relative positions of the limiting plate 124 and the screw plate 126. The thread plate 126 functions to carry and fix the mount 121.

It is understood that the limiting plate 124, the adapter plate 125 and the thread plate 126 can be formed together in an integral manner. The limiting plate 124 and the adapter plate 125 can be connected by a snap or a screw. The adapter plate 125 and the screw plate 126 may be connected by a snap or a screw.

As shown in fig. 7 and 8, the adapter plate 125 and the limiting plate 124 together enclose a movable cavity 14 having a limiting opening 141, the movable cavity 14 is used for accommodating a portion of the connecting element 112, and another portion of the connecting element 112 is always limited in the limiting opening 141; in this manner, when one portion of the connector 112 rotates in the movable chamber 14, the other portion of the connector 112 will only slide along the sidewall of the limit opening 141. Screw plate 126 is provided with screw hole 1261, and mounting seat 121 is screwed with screw hole 1261.

It will be appreciated that the cavity contour of active cavity 14 is adapted to connector 112 such that connector 112 is capable of being fully retained within active cavity 14. The mounting seat 121 is provided with an external thread adapted to the threaded hole 1261.

As shown in fig. 7 and 8, in some embodiments, the movable connecting device 12 may further include a magnetic attraction head 127, the magnetic attraction head 127 is disposed on the bracket 122, the mounting seat 121 is formed with a magnetic attraction groove 1211 matching with the magnetic attraction head 127, and the magnetic attraction head 127 is detachably and rotatably disposed in the magnetic attraction groove 1211.

It can be understood that the magnetic attraction circular heads 127 have certain magnetism, and the magnetic attraction groove 1211 is provided with a magnetic element for attracting the magnetic attraction circular heads 127 into the magnetic attraction groove 1211, so that the magnetic attraction circular heads 127 can drive the bracket 122 to be jointly fixed on the mounting base 121, thereby achieving the purpose of fixing the air supply device 13; the user can accomplish the dismantlement and the installation of mount pad 121 and support 122 fast, and is very convenient.

It will be understood that a holding device or a fixing device or the like adapted to the bracket 122 may be additionally configured to fix the detached bracket 122 to the rest of the holding device or the fixing device, so that the user does not need to detach the fixing device 11 in the winding state each time when going out, thereby improving the portability of the product.

As shown in fig. 3, the blower 13 further includes a driving member 131 in some embodiments, and the housing 133 may include a front casing 1331, a rear casing 1332 and a wind guide fence 1333, where the front casing 1331 and the rear casing 1332 together enclose the installation cavity 134. The driving member 131 and the fan blade 132 are respectively disposed in the mounting cavity 134, and the driving member 131 is in driving connection with the fan blade 132, wherein the driving member 131 is used for driving the fan blade 132 to rotate, so as to drive the air to flow directionally to form an air flow. The front case 1331 and the rear case 1332 are coupled to each other to collectively protect the driving member 131 and the fan 132. The air guide fence 1333 functions to guide the air flow along a predetermined trajectory.

It is understood that the front case 1331 or the rear case 1332 may be manufactured using an injection molding process. The distance between two adjacent wind guide fences 1333 can be flexibly adjusted according to different practical application scenes or product structures.

As shown in fig. 2 and 3, the front casing 1331 is provided with a plurality of front ventilation holes 1331a separated by a plurality of air guiding fences 1333, the rear casing 1332 is provided with a plurality of rear ventilation holes 1332a,

it will be appreciated that both front air vent 1331a and rear air vent 1332a are in communication with mounting cavity 134, and that air flow can occur through both front air vent 1331a and rear air vent 1332 a. The wind guide fence 1333 also serves to prevent the fan blades 132 from colliding with foreign objects.

As shown in fig. 3, the blowing device 13 may further include a battery cover 135 in some embodiments, and a battery slot 1332b for mounting the battery is opened on the rear case 1332. The battery slot 1332b is used to accommodate a battery. The battery cover 135 is detachably attached to the battery slot 1332b, and the battery cover 135 serves to protect the battery.

It is understood that the battery slot 1332b is used for installing a battery, and a corresponding conductive structure is disposed on the slot wall of the battery slot 1332b, so that the electric quantity of the battery can be transmitted to the air supply device 13. The battery cover 135 may be connected to the battery slot 1332b by a snap or hinge, etc., to protect the battery.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.

Claims

1. A portable fan comprises an air supply device (13), wherein the air supply device (13) comprises a shell (133) and fan blades (132) rotatably arranged in the shell (133), and is characterized in that the portable fan further comprises a fixing device (11), the fixing device (11) comprises a connecting piece (112) and supporting legs (111), the connecting piece (112) is connected with the shell (133), the supporting legs (111) comprise a deformable core rod (1111) and an encapsulating piece (1112) arranged on the outer side of the core rod (1111), and the core rod (1111) is connected with the connecting piece (112).

2. The portable fan as claimed in claim 1, wherein the rubber-coated member (1112) has an upright end (1112a) and a fixed end (1112b), the fixed end (1112b) is connected to the connecting member (112), and the upright end (1112a) has a ball top (1113).

3. The portable fan as claimed in claim 2, wherein a grip curved surface (1114) is provided at a connection position of the ball top portion (1113) and the standing end (1112a), the grip curved surface (1114) is recessed in a direction close to the stem (1111), and a sidewall of the grip curved surface (1114) is for gripping with an external object.

4. The portable fan according to claim 1, wherein the connecting member (112) includes a rotating shaft (1122) rotatably connected to the housing (133), a swinging head portion (1121) provided on the rotating shaft (1122), and a receiving portion (1123) provided on the swinging head portion (1121);

an accommodating groove (1123a) is formed in the accommodating portion (1123), a fixing hole (1123b) is formed in the bottom of the accommodating groove (1123a), the accommodating groove (1123a) is used for accommodating the rubber-coated piece (1112), and the core rod (1111) is inserted into the fixing hole (1123 b).

5. The portable fan according to claim 1, further comprising a movable connection device (12), wherein the movable connection device (12) comprises a mounting seat (121), a bracket (122) and a connection mechanism (123), the connection member (112) is rotatably disposed on the mounting seat (121), the bracket (122) is detachably and movably connected with the mounting seat (121), and the housing (133) is connected with the bracket (122) through the connection mechanism (123).

6. The portable fan of claim 5, wherein the connecting mechanism (123) comprises a protruding shaft (1231) disposed on the housing (133), and a plug (1232) detachably disposed on the bracket; protruding axle (1231) wear to establish shaft hole (1221) on support (122), end cap (1232) are used for covering and establish shaft hole (1221).

7. The portable fan of claim 5, wherein the movable connection means (12) further comprises a restriction plate (124), an adapter plate (125) disposed on the restriction plate (124), and a screw plate (126) disposed on the adapter plate (125);

the adapter plate (125) and the limiting plate (124) jointly enclose an activity cavity (14) with a limiting opening (141), the activity cavity (14) is used for accommodating the connecting piece (112), the connecting piece (112) can slide along the side wall of the limiting opening (141), a threaded hole (1261) is formed in the threaded plate (126), and the mounting seat (121) is in threaded connection with the threaded hole (1261).

8. The portable fan as claimed in claim 5, wherein the movable connection device (12) further comprises a magnetic attraction circular head (127), the magnetic attraction circular head (127) is disposed on the bracket (122), a magnetic attraction groove (1211) matched with the magnetic attraction circular head (127) in shape is formed in the mounting base (121), and the magnetic attraction circular head (127) is detachably and rotatably disposed in the magnetic attraction groove (1211).

9. The portable fan of claim 1, wherein the air supply device (13) further comprises a drive member (131); the casing (133) comprises a front casing (1331) and a rear casing (1332), wherein a plurality of front ventilation holes (1331a) separated by a plurality of air guide fences (1333) are formed in the front casing (1331), a plurality of rear ventilation holes (1332a) are formed in the rear casing (1332), the front casing (1331) and the rear casing (1332) jointly enclose an installation cavity (134), the fan blades (132) and the driving piece (131) are respectively arranged in the installation cavity (134), and the driving piece (131) is in driving connection with the fan blades (132).

10. The portable fan as claimed in claim 9, wherein the blowing device (13) further includes a battery cover (135), a battery slot (1332b) for installing a battery is opened on the rear case (1332), and the battery cover (135) is detachably covered on the battery slot (1332 b).