CN218817245U

CN218817245U - Portable fan

Info

Publication number: CN218817245U
Application number: CN202222918924.2U
Authority: CN
Inventors: 郑观正; 袁水勇; 谢佳航; 李享福; 蔡骋睿
Original assignee: Shenzhen Jisu Technology Co Ltd
Current assignee: Shenzhen Jisu Technology Co Ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-04-07
Anticipated expiration: 2032-11-02

Abstract

The utility model provides a portable fan, include the casing, locate central siphon in the casing, arrange in the shaft hole of central siphon and can be relative central siphon pivoted pivot, overlap in the stator outside the central siphon and connect in the impeller of pivot, the casing encloses synthetic one end and is open-ended installation passageway, the installation passageway is used for the dismouting the impeller is located the casing the opening part is provided with the dismantlement piece, the dismantlement piece with the connection can be dismantled to the casing, and the impeller can be followed and taken out in the casing, can wash the impeller.

Description

Portable fan

Technical Field

The utility model relates to a fan technical field, concretely relates to portable fan.

Background

To meet the demand for fans for outdoor activities, more and more portable fans are available on the market.

At present, the impeller of a portable fan on the market is difficult to detach, and a large amount of dust can be adhered to the surface of the impeller after the portable fan is used, so that the wind speed is influenced.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a portable fan, the impeller is conveniently dismantled to wash or change.

The utility model provides a portable fan, include the casing, locate central siphon in the casing, arrange in the shaft hole of central siphon and can be relative central siphon pivoted pivot, overlap in stator outside the central siphon and connect in the impeller of pivot, the casing is provided with the disassembly piece, the disassembly piece with the connection can be dismantled to the casing, the disassembly piece is provided with on the bottom surface of impeller and ends to bump the piece, prevents that the impeller from bumping the disassembly piece.

Further, the center of the dismounting part forms a collision prevention groove, and the collision prevention part is arranged at the collision prevention groove.

Furthermore, the collision stopping piece is made of EVA materials or soft silica gel materials.

Further, the collision prevention piece is a cylinder.

Furthermore, a screwing piece and/or external threads and/or a first magnet are arranged on one of the dismounting piece and the shell, and a screwing groove and/or internal threads and/or a second magnet are arranged on the other of the dismounting piece and the shell.

Furthermore, a screwing piece is arranged on one of the dismounting piece and the shell, a screwing groove is arranged on the other one of the dismounting piece and the shell, and the screwing groove is provided with a first position and a second position for the sliding switching of the screwing piece;

the dismounting piece and the casing rotate between first counterpoint and second counterpoint and switch, and be in when first counterpoint, the spinner inserts the first position in spiral shell groove, the dismounting piece with the casing is in when the second counterpoint, the spinner slide extremely the second position in spiral shell groove, in order to restrict the dismounting piece with casing axial relative displacement.

Furthermore, the disassembly piece is provided with the screwing groove, and the shell is provided with the screwing piece; the disassembling piece is provided with a first groove and a second groove along the diameter direction of the disassembling piece, the first groove and the second groove are communicated with each other, the first position of the screwing groove is correspondingly the position of the first groove, the second position of the screwing groove is correspondingly the position of the second groove, and a first elastic buckle is arranged in the second groove in a protruding mode from the disassembling piece; the casing is provided with the third recess on its diameter direction, the third recess is close to one side of disassembling piece is provided with the second elasticity and detains, the second elasticity detain with the casing is connected, the second elasticity detain certainly first recess slides extremely during in the second recess, the restriction the disassembling piece with casing axial relative displacement.

Furthermore, a through hole is formed in the center of the dismounting part and used for a through hole through which a screw penetrates, and a decorative cover is arranged on the outer side of the dismounting part.

Furthermore, the size of the collision stopping piece from the impeller is 0.1-0.8 mm.

Furthermore, the diameter of the collision prevention piece is 2-8 mm.

Among the above-mentioned technical scheme of this application, the piece of disassembling can be dismantled with the casing and be connected, and the impeller can be taken out from the casing, can wash the impeller.

Drawings

FIG. 1 is an exploded view of the portable fan of the present invention;

FIG. 2 is a partial cross-sectional view of the portable fan of the present invention;

FIG. 3 is a schematic view of the shaft tube of the portable fan of the present invention;

FIG. 4 is a schematic view of the ring of the portable fan of the present invention;

FIG. 5 is a schematic view of a removable member of the portable fan of the present invention;

FIG. 6 is a schematic view of a housing of the portable fan of the present invention;

fig. 7 is a schematic view of another housing of the portable fan of the present invention.

Detailed Description

For the purpose of promoting a better understanding of the objects, structures, features, and functions of the invention, reference should now be made to the drawings and detailed description of the invention.

Referring to fig. 1 and 2, the portable fan of the present invention includes a housing 1, an axle tube 11 disposed in the housing 1, a rotating shaft 12 disposed in the axle hole of the axle tube 11 and capable of rotating relative to the axle tube 11, a stator sleeved outside the axle tube 11, and an impeller 2 connected to the top end of the rotating shaft 12.

Casing 1 encloses synthetic one end and is open-ended installation passageway 31, installation passageway 31 is used for dismouting impeller 2, can take out the washing with impeller 2 from installation passageway 31, the opening part that is located casing 1 is provided with dismounting 4, dismounting 4 can dismantle with casing 1 and be connected, because pivot end 12 does not set up the jump ring, during impeller 2 rotates, impeller 2 fluctuates, impeller 2 can collide dismounting 4 and produce sound, dismounting 4 is provided with on impeller 2's the bottom surface and ends piece 21, prevents that impeller 2 from colliding dismounting 4 produces the hitting sound.

In the prior art, the end of the rotating shaft 12 is usually provided with a clamp spring, the clamp spring prevents the rotating shaft from moving out of the shaft tube, and the clamp spring is used for preventing the impeller from falling off.

The dismounting member 4 and the housing 1 can be rotatably dismounted or can be clamped and dismounted.

A stop groove 20 is formed in the bottom surface of the center of the dismounting part 4 facing the impeller 2, a stop piece 21 is arranged on the bottom surface of the dismounting part 4 facing the impeller 2, and the stop piece 21 is arranged at the stop groove 20 to prevent the impeller 2 from rotating and colliding with the dismounting part 4 to generate collision sound, so that the noise is reduced.

Stop to bump piece 21 and be EVA bubble cotton material or soft silica gel material, stop to bump piece 21 and install between impeller 2 and dismounting 4, can the collision of effectual reduction impeller 2, have the effect of inhaling the shake.

The stopper 21 may be a cylindrical body or a square body, and may be any one that can prevent the impeller 2 from coming off and prevent the impact sound from being generated by hitting the detacher 4.

The size of one surface of the collision prevention piece 21 close to the impeller 2 and the size of one surface of the impeller 2 close to the collision prevention piece 21 are 0.1-5 mm, and the diameter of the collision prevention piece 21 is 1-20 mm.

Shockproof piece and central siphon 11 can dismantle each other and connect, and shockproof piece and casing 1 can dismantle each other and connect, and central siphon 11 is connected with casing 1 through shockproof piece, and when using portable fan, the 2 swings of impeller drive central siphon 11 vibrations, is connected with shockproof piece between casing 1 and the central siphon 11, and shockproof piece prevents to conduct impeller 2's vibrations to casing 1 on, avoids producing the noise, influences user experience.

Referring to fig. 1, 2, 3 and 4, the anti-vibration member is a torus 3, an inner circumference of the torus 3 is clamped with the shaft tube 11, a first protrusion 22 extends outwards from a tail end of the shaft tube 11 along a diameter direction, an inner side wall of the torus 3 forms an inner groove 23 recessed away from a center of the shaft of the torus 3, the first protrusion 22 is inserted into the inner groove 23, a gap is reserved between the first protrusion 22 and the inner groove 23, when the shaft tube 11 vibrates, the first protrusion 22 is driven to vibrate, because the gap is reserved between the first protrusion 22 and the inner groove 23, a vibration amplitude of the first protrusion 22 is smaller than the gap between the first protrusion 22 and the inner groove 23, so that the vibration transmitted to the casing 1 can be reduced, and the structure is convenient to assemble and has high efficiency.

Referring to fig. 1, 2, 3, 4 and 7, the periphery of the torus 3 is clamped with the housing 1, an outer groove 24 recessed toward the center of the axis of the torus 3 is formed on the outer sidewall of the torus 3, a second protrusion 25 clamped with the outer groove 24 is formed on the housing 1, the second protrusion 25 is inserted into the outer groove 24, a gap is reserved between the second protrusion 25 and the outer groove 24, the second protrusion 25 is driven to vibrate by the vibration of the axial tube 11, and the vibration amplitude of the second protrusion 25 is smaller than the gap between the second protrusion 25 and the outer groove 24 because the gap is reserved between the second protrusion 25 and the outer groove 24, so that the vibration can be reduced from being transmitted to the housing 1, and the structure is convenient to assemble and has high assembly efficiency.

Referring to fig. 1, 2, 3, 4 and 7, the torus 3 is made of soft material, the torus 3 can be deformed, the portable fan is started, when the impeller 2 vibrates in an up-and-down swinging manner, the shaft tube 11 is driven to vibrate, the vibration is transmitted to the torus 3, the vibration deforms the torus 3, a part of the vibration is stored in the deformed torus 3 as energy, the other part of the energy is transmitted to the casing 1, the vibration energy which is inevitably transmitted to the casing 1 is reduced, the generated noise and the vibration amplitude are also reduced.

Referring to fig. 1, 2, 3 and 4, the housing 1 encloses a mounting channel 31 with an opening at one end, the opening is disposed corresponding to the impeller 2, the impeller 2 can be taken out from the mounting channel 31, the impeller 2 can be removed for cleaning, a dismounting member 4 is disposed at the opening of the housing 1, and the dismounting member 4 is used for covering the mounting channel 31 and preventing hairs from entering the mounting channel 31.

Referring to fig. 5 and 6, the detaching element 4 is detachably connected to the casing 1, the detaching element 4 can be detached from the casing 1, so that the impeller can be conveniently taken out, one of the detaching element 4 and the casing 1 is provided with a screwing element 14, and the other is provided with a screwing groove 13. Of course, in other embodiments, one of the dismounting member 4 and the housing 1 is provided with an external thread and the other is provided with an internal thread, and the dismounting member 4 is screwed with the housing 1. Of course, in other embodiments, the first magnet is provided on one of the dismounting member 4 and the housing 1, and the second magnet is provided on the other, and the dismounting member 4 is magnetically connected with the housing 1.

One of the dismounting part 4 and the shell 1 is provided with a screwing part 14, the other one is provided with a screwing groove 13, the screwing groove 13 is provided with a first position and a second position for the sliding switching of the screwing part 14, the dismounting part 4 and the shell 1 are rotationally switched between a first alignment position and a second alignment position, when the dismounting part 4 and the shell 1 are in the first alignment position, the screwing part 14 is inserted into the first position of the screwing groove 13, and when the dismounting part 4 and the shell 1 are in the second alignment position, the screwing part 14 slides to the second position of the screwing groove 13 to limit the axial relative displacement of the dismounting part 4 and the shell 1. The dismounting part 4 and the shell 1 are switched to the position in a sliding mode, so that the screwing part 14 enters the second position of the screwing groove 13, and the characteristic that the screwing groove 13 and the screwing part 14 limit movement mutually is utilized to realize connection of the dismounting part 4 and the shell 1.

The lateral wall of the dismounting member 4 is provided with a screwing groove 13, the inner side wall of the mounting channel 31 with the opening of the shell 1 is provided with a screwing member 14, the lateral wall of the dismounting member 4 is provided with a first groove 15 and a second groove 16 along the diameter direction, the first groove 15 and the second groove 16 are communicated with each other, the first position of the screwing groove 13 corresponds to the position of the first groove 15, the second position of the screwing groove 13 corresponds to the position of the second groove 16, and a first elastic buckle 17 is arranged in the second groove 16 and extends upwards along the diameter direction of the dismounting member 4.

The inside wall of the opening part of the casing 1 is provided with a third groove 19, the third groove 19 is arranged along the diameter direction of the casing 1, one side of the third groove 19 close to the dismounting part 4 is provided with a second elastic buckle 18, the second elastic buckle 18 is arranged along the diameter direction of the opening part of the casing 1 towards the casing 1 in a stretching way, the second elastic buckle 18 is connected with the casing 1, and when the second elastic buckle 18 slides to the second groove 16 from the first groove 15, the axial relative displacement of the dismounting part 4 and the casing 1 is limited.

The above detailed description is only for the purpose of illustrating the preferred embodiments of the present invention, and not for the purpose of limiting the scope of the present invention, therefore, all the equivalent technical changes using the description and drawings of the present invention are included in the scope of the present invention.

Claims

1. The utility model provides a portable fan, includes the casing, locates central siphon in the casing, arrange in the shaft hole of central siphon and can be relative central siphon pivoted pivot, overlap in the stator of central siphon outside and connect in the impeller of pivot, its characterized in that, synthetic one end installation passageway is enclosed to the casing, the installation passageway is used for the dismouting the impeller, the casing be provided with the piece of disassembling, the piece of disassembling with the connection can be dismantled to the casing, the piece of disassembling orientation be provided with on the bottom surface of impeller and end and bump the piece, prevent that the impeller from bumping the piece of disassembling.

2. The portable fan of claim 1, wherein: the disassembly piece faces the center of the impeller to form a collision stopping groove, and the collision stopping piece is installed at the collision stopping groove.

3. The portable fan of claim 2, wherein: the collision prevention piece is made of EVA materials or soft silica gel materials.

4. The portable fan of claim 3, wherein: the collision stopping piece is a cylinder.

5. The portable fan of claim 1, wherein: one of the dismounting piece and the shell is provided with a screwing piece and/or an external thread and/or a first magnet, and the other is provided with a screwing groove and/or an internal thread and/or a second magnet.

6. The portable fan of claim 2, wherein: one of the dismounting piece and the shell is provided with a screwing piece, the other one is provided with a screwing groove, and the screwing groove is provided with a first position and a second position for the sliding switching of the screwing piece;

the dismounting part and the shell rotate and switch between a first alignment and a second alignment, the screwing part is inserted into a first position of the screwing groove when the first alignment is carried out, the dismounting part and the shell are located when the second alignment is carried out, the screwing part slides to a second position of the screwing groove to limit the dismounting part and the shell to axially and relatively displace.

7. The portable fan of claim 6, wherein: the disassembly piece is provided with the screwing groove, and the shell is provided with the screwing piece;

the disassembling piece is provided with a first groove and a second groove along the diameter direction of the disassembling piece, the first groove and the second groove are communicated with each other, the first position of the screwing groove is correspondingly the position of the first groove, the second position of the screwing groove is correspondingly the position of the second groove, and a first elastic buckle is arranged in the second groove in a protruding mode from the disassembling piece;

the casing is provided with the third recess on its diameter direction, the third recess is close to one side of disassembling piece is provided with the second elasticity and detains, the second elasticity detain with the casing is connected, the second elasticity detain certainly first recess slides extremely when in the second recess, the restriction disassembling piece with casing axial relative displacement.

8. The portable fan of claim 2, wherein: the center of the dismounting part is provided with a through hole for a screw to pass through, and the outer side of the dismounting part is provided with a decorative cover.

9. The portable fan of claim 1, wherein: the size of the collision stopping piece from the impeller is 0.1-5 mm.

10. The portable fan of claim 1, wherein: the diameter of the collision stopping piece is 1-20 mm.