CN218817263U

CN218817263U - Portable fan

Info

Publication number: CN218817263U
Application number: CN202222928106.0U
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, cover in stator outside the central siphon and connect in the impeller of pivot, portable fan still including install in the terminal shockproof piece of central siphon, the impeller rotates when portable fan starts and produces vibrations, shockproof piece is used for absorbing the vibrations that the impeller brought.

Description

Portable fan

Technical Field

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

Background

The portable fan that has now, when using portable fan, the swing that the impeller rotation brought leads to the central siphon vibrations, and the casing is connected with the central siphon, and the vibrations of impeller are conducted and are produced the noise on the casing, and the noise influences user experience.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a portable fan, noise reduction promotes user experience.

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, cover in the stator outside the central siphon and connect in the impeller of pivot, portable fan still including install in the terminal shockproof piece of central siphon, shockproof piece is used for providing a restoring force and/or location power, in order to prevent the pivot the stator and/or the impeller certainly the central siphon breaks away from, and is dismantling behind the shockproof piece in order to incite somebody to action the impeller is conveniently unpicked and washed or is changed.

Furthermore, the casing encloses into one end and is the 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 carousel, the carousel with the casing can be dismantled and be connected, state the carousel with set up on one of the two of casing and revolve fastener and \ or external screw thread and \ or first magnet, the other is provided with and revolves catching groove and \ or internal thread and \ or second magnet.

Furthermore, a screwing piece is arranged on one of the rotary disc and the shell, a screwing groove is formed in the other of the rotary disc and the shell, the screwing groove is provided with a first position and a second position for the screwing piece to slide and switch, the rotary disc and the shell rotate and switch between a first alignment position and a second alignment position, the screwing piece is inserted into the first position of the screwing groove when the rotary disc and the shell are in the first alignment position, and the screwing piece slides to the second position of the screwing groove when the rotary disc and the shell are in the second alignment position so as to limit the axial relative displacement of the rotary disc and the shell.

Further, set up on the carousel spiral catching groove, the casing sets up spiral buckle spare, the carousel is provided with first recess and second recess along its diameter direction, first recess with the second recess communicates each other, spiral catching groove first position correspondence does first recess position, spiral catching groove second position correspondence does second recess position, certainly protruding the stretching to of carousel sets up first elasticity in the second recess and detains, the casing is provided with the third recess along its diameter direction, the third recess is close to one side of carousel is provided with second elasticity and detains, second elasticity detain with the casing is connected, second elasticity detain certainly first recess slides to when in the second recess, the restriction the carousel with casing axial relative displacement.

Furthermore, a fourth groove is formed in the center of the rotary table, a collision stopping piece is arranged on the bottom surface of the rotary table facing the impeller, and the collision stopping piece is arranged at the fourth groove to prevent the impeller from colliding the rotary table to generate collision sound.

Furthermore, the shockproof piece and the shaft tube are detachably connected with each other, the shockproof piece and the shell are detachably connected with each other, the shaft tube is connected with the shell through the shockproof piece, and the shockproof piece is a torus.

Further, the inner periphery of the torus with the central siphon joint, the end of central siphon outwards extends along the diameter direction first arch, the inner groovy that the interior curb wall of torus formed, first arch is inserted the inner groovy.

Furthermore, the periphery of the torus with the casing joint, the outer recess that the lateral wall of torus formed, the casing form with the second of outer recess joint is protruding, the second is protruding to be inserted outer recess.

Furthermore, the circular ring body is made of soft materials and can deform.

Furthermore, the thickness range of the torus is 0.9 mm-3 mm.

Among the above-mentioned technical scheme of this application, the impeller swing drives the central siphon vibrations, is connected with shockproof piece between casing and the central siphon, and shockproof piece prevents to conduct the casing with the vibrations of impeller on, avoids producing the noise, influences user experience.

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 a 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 turntable 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.

The utility model discloses portable fan includes casing 1, locate the central siphon 11 in casing 1, arrange in the shaft hole of

central siphon

11 and 11 pivoted pivots 12, cover in the stator outside central siphon 11 and connect in the impeller 2 on the top of pivot 12 of central siphon 11 relatively, in this embodiment to hang the neck fan and explain its structure as an example, obviously this portable fan still can be applied to in devices such as desktop fan, handheld fan, perambulator small fan.

Referring to fig. 1 and 2, the portable fan further includes a vibration-proof member installed at the end of the shaft tube 11, the impeller 2 swings to drive the shaft tube 11 to vibrate, the vibration-proof member is connected between the casing 1 and the shaft tube 11, and the vibration-proof member prevents the vibration of the impeller 2 from being transmitted to the casing 1, so as to avoid generating noise and affecting user experience.

Shockproof piece and central siphon 11 can dismantle the connection each other, and shockproof piece and casing 1 can dismantle the connection each other, 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 casing 1 with the vibrations of impeller 2 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 detached for cleaning, a rotating disc 4 is disposed at the opening of the housing 1, and the rotating disc 4 is used for covering the mounting channel 31 and preventing hair from entering the mounting channel 31.

Referring to fig. 5 and 6, the rotary plate 4 is detachably connected to the housing 1, the rotary plate 4 can be detachably mounted on the housing 1, so that the impeller can be conveniently taken out, one of the rotary plate 4 and the housing 1 is provided with a fastening member 14, and the other is provided with a fastening groove 13. Of course, in other embodiments, one of the rotary disk 4 and the housing 1 is provided with an external thread and the other is provided with an internal thread, and the rotary disk 4 is screwed with the housing 1. Of course, in other embodiments, the first magnet is disposed on one of the turntable 4 and the housing 1, the second magnet is disposed on the other, and the turntable 4 and the housing 1 are magnetically connected.

Set up on carousel 4 and casing 1 one of them and revolve fastener 14, the other is provided with and revolves catching groove 13, and it has first position and the second position that supplies to revolve fastener 14 to slide and switch to revolve catching groove 13, and carousel 4 and casing 1 rotate between first counterpoint and second counterpoint and switch to when being in first counterpoint, revolve fastener 14 and insert the first position of revolving catching groove 13, and when carousel 4 and casing 1 were in the second counterpoint, revolve fastener 14 and slide to the second position of revolving catching groove 13 to restriction carousel 4 and casing 1 axial relative displacement. The rotary plate 4 and the shell 1 are switched to the sliding position, so that the screwing piece 14 enters the second position of the screwing groove 13, and the connection between the rotary plate 4 and the shell 1 is realized by utilizing the characteristic that the screwing groove 13 and the screwing piece 14 limit the movement mutually.

The outer side wall of the rotary disc 4 is provided with a rotary fastening groove 13, the inner side wall of an opening installation channel 31 of the shell 1 is provided with a rotary fastening piece 14, the outer side wall of the rotary disc 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 rotary fastening groove 13 corresponds to the position of the first groove 15, the second position of the rotary fastening groove 13 corresponds to the position of the second groove 16, and a first elastic fastener 17 is arranged in the second groove 16 and extends upwards along the diameter direction of the rotary disc 4;

the inside wall of the opening part of casing 1 is provided with third recess 19, set up third recess 19 on the diameter direction of casing 1, one side that third recess 19 is close to carousel 4 is provided with second elasticity and detains 18, second elasticity is detained 18 and is stretched the setting for the diameter direction of casing 1 along the opening part of casing 1, second elasticity is detained 18 and is connected with casing 1, second elasticity is detained 18 and is slided to the second recess 16 in from first recess 15, restriction carousel 4 and casing 1 axial relative displacement.

A fourth groove 20 is formed in the bottom surface, facing the impeller 2, of the center of the rotary disc 4, a collision stopping piece 21 is arranged on the bottom surface, facing the impeller 2, of the rotary disc 4, and the collision stopping piece 21 is installed at the fourth groove 20 to prevent the impeller 2 from rotating and colliding with the rotary disc 4 to generate collision sound, so that 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 carousel 4, can the effectual collision of reduction impeller 2, have the effect of inhaling the shake.

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. A portable fan comprises a shell, a shaft tube arranged in the shell, a rotating shaft arranged in a shaft hole of the shaft tube and capable of rotating relative to the shaft tube, a stator sleeved outside the shaft tube and an impeller connected to the rotating shaft.

2. The portable fan of claim 1, wherein: the shell is enclosed into an installation channel with one end being an opening, the installation channel is used for disassembling and assembling the impeller, a turntable is arranged at the opening of the shell, and the turntable is detachably connected with the shell;

one of the rotary disc 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.

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

the rotary disc and the shell are rotationally switched between a first alignment position and a second alignment position, the rotary buckle piece is inserted into a first position of the rotary buckle groove when the rotary disc and the shell are in the first alignment position, and the rotary buckle piece slides to a second position of the rotary buckle groove when the rotary disc and the shell are in the second alignment position, so that the rotary disc and the shell are limited in axial relative displacement.

4. The portable fan of claim 3, wherein: the rotary buckle groove is formed in the rotary disc, and the rotary buckle piece is arranged on the shell;

the rotary disc is provided with a first groove and a second groove along the diameter direction of the rotary disc, the first groove and the second groove are communicated with each other, the first position of the rotary fastening groove corresponds to the position of the first groove, the second position of the rotary fastening groove corresponds to the position of the second groove, and a first elastic fastener is arranged in the second groove and protrudes from the rotary disc;

the casing is provided with the third recess along its diametric (al) on, the third recess is close to one side of carousel is provided with second elasticity and detains, second elasticity detain with the casing is connected, second elasticity detain certainly first recess slides extremely when in the second recess, the restriction the carousel with casing axial relative displacement.

5. The portable fan of claim 1, wherein: the inner diameter range of the shockproof piece is 7 mm-13 mm, and the outer diameter range of the shockproof piece is 17 mm-40 mm.

6. The portable fan of claim 1, wherein: the shock-proof piece is detachably connected with the shaft tube, the shock-proof piece is detachably connected with the shell, the shaft tube is connected with the shell through the shock-proof piece, and the shock-proof piece is a torus.

7. The portable fan of claim 6, wherein: the interior periphery of the tourus with the central siphon joint, the end of central siphon outwards extends first arch along the diameter direction, the inner groovy that the inboard wall of tourus formed, first arch is inserted the inner groovy.

8. The portable fan of claim 6, wherein: the periphery of tourus with the casing joint, the outer recess that the outside wall of tourus formed, the casing form with the second of outer recess joint is protruding, the second is protruding to be inserted outer recess.

9. The portable fan of claim 6, wherein: the annular ring body is made of soft materials and can deform.

10. The portable fan of claim 6, wherein: the thickness range of the ring body is 0.9 mm-3 mm.