CN217682415U - Rotating structure of neck hanging fan - Google Patents
Rotating structure of neck hanging fan Download PDFInfo
- Publication number
- CN217682415U CN217682415U CN202221550513.6U CN202221550513U CN217682415U CN 217682415 U CN217682415 U CN 217682415U CN 202221550513 U CN202221550513 U CN 202221550513U CN 217682415 U CN217682415 U CN 217682415U
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- CN
- China
- Prior art keywords
- fan
- rotating
- movable
- neck
- main body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007664 blowing Methods 0.000 claims abstract description 28
- 239000004065 semiconductor Substances 0.000 claims description 15
- 238000005057 refrigeration Methods 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 7
- 230000007423 decrease Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
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Abstract
The utility model provides a rotating-structure of hanging neck fan, during the use, rotate the digging arm, the cardan shaft is in the activity of activity inslot makes the digging arm can wind the circumference of cardan shaft for the rotatory certain angle of main part, thereby make two the wind energy that blast apparatus blew off can aim at the angle that the user wanted, the digging arm winds the cardan shaft rotates for the user adjusts more easily the angle of digging arm need not to use very big power just can adjust the angle of digging arm, thereby the angle of adjusting and blowing, convenient to use person uses and hangs the neck fan, when accomodating simultaneously, the digging arm can wind the cardan shaft rotates, thereby makes two the digging arm for the main part is folding, makes the hanging neck fan volume after folding littleer, and then makes and hang the neck fan convenient to accomodate.
Description
Technical Field
The utility model belongs to the technical field of hang the neck fan and specifically relates to a hang rotating-structure of neck fan.
Background
The electric fan is one kind and utilizes the motor drive flabellum rotatory, reaches the domestic appliance who makes the air accelerate the circulation, and the cool summer-heat of mainly used and circulated air extensively are used for places such as family, classroom, office, along with the improvement of people's demand, more and more portable mini fan gets into market, and wherein hang the neck formula electric fan and be one kind in the portable fan, because small for it is comparatively convenient to use, need not to hold by hand.
The current neck fan of hanging usually comprises a main part and two digging arms, the air-out device sets up on two digging arms, and the digging arm adopts metal collapsible tube to be connected with the main part usually, make the digging arm can rotate certain angle fixed for the main part, owing to adopt metal collapsible tube to connect, make at the pivoted in-process, the digging arm rotates unsmoothly, and need very big power could rotate the digging arm to the angle that needs, lead to being very inconvenient at the in-process that uses, secondly at the in-process of accomodating, the digging arm also can not be folded for the main part, lead to accomodating very inconveniently.
There is a need for a rotating structure of a neck hanging fan to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a rotating-structure of hanging neck fan.
The utility model discloses a following technical scheme realizes:
the utility model provides a hang rotating-structure of neck fan, hang rotating-structure of neck fan includes: the universal shaft air blowing device comprises a main body, two movable arms and two air blowing devices, wherein universal shafts are arranged on the movable arms, movable grooves are formed in the main body, the parts of the universal shafts are contained in the movable grooves and movably connected with the main body, and the two air blowing devices are respectively contained in the two movable arms.
Furthermore, the cardan shaft runs through the movable groove and extends to in the main part and with main part swing joint, be equipped with in the main part with the movable groove communicates's rotation groove, be equipped with the rotation portion on the cardan shaft, the rotation portion accept in the rotation groove.
Further, the rotating structure of hanging the neck fan still includes installed part, butt, the installed part the butt all accept in the main part, the installed part shelters from the cardan shaft, the butt accept in the installed part, cardan shaft portion accept in the installed part, the butt with the cardan shaft butt, the installed part with main part fixed connection.
Furthermore, be equipped with on the installed part with the first groove of dodging that the activity groove communicates, be equipped with on the butt piece with the first second of dodging the groove and communicating dodges the groove.
Furthermore, the movable arm is provided with an air outlet part and an air inlet groove communicated with the air outlet part.
Furthermore, an accommodating space communicated with the air outlet part and the air inlet groove is formed in the movable arm, and the blowing device is accommodated in the accommodating space.
Furthermore, a wind guide part communicated with the wind outlet part is arranged in the movable arm, the wind guide part is provided with a maximum end and a minimum end, the cross-sectional area of the wind guide part gradually decreases from the maximum end to the minimum end, the wind outlet part is provided with a plurality of wind outlet grooves, the wind outlet grooves are communicated with the wind guide part, and the minimum cross-sectional area of the accommodating space is larger than the maximum end of the wind guide part.
Furthermore, the rotating structure of the neck hanging fan further comprises a shielding piece, the shielding piece is installed on the movable arm, and the shielding piece partially shields the air inlet groove.
Furthermore, the rotating structure of the neck hanging fan further comprises a circuit board, the circuit board is contained in one of the movable arms, and the two blowing devices are electrically connected with the circuit board.
Further, the rotating structure of the hanging neck fan further comprises a semiconductor refrigeration piece, an installation part is arranged on the main body in a protruding mode, the semiconductor refrigeration piece is contained in the main body, the semiconductor refrigeration piece is installed on the installation part, and the semiconductor refrigeration piece is electrically connected with the circuit board.
The utility model has the advantages that:
the utility model provides a rotating-structure of hanging neck fan, during the use, rotate the digging arm, the cardan shaft is in the activity of activity inslot makes the digging arm can wind the circumference of cardan shaft for the rotatory certain angle of main part, thereby make two the wind energy that blast apparatus blew off can aim at the angle that the user wanted, the digging arm winds the cardan shaft rotates for the user adjusts more easily the angle of digging arm need not to use very big power just can adjust the angle of digging arm, thereby the angle of adjusting and blowing, convenient to use person uses and hangs the neck fan, when accomodating simultaneously, the digging arm can wind the cardan shaft rotates, thereby makes two the digging arm for the main part is folding, makes the hanging neck fan volume after folding littleer, and then makes and hang the neck fan convenient to accomodate.
Drawings
Fig. 1 is an exploded view of the rotating structure of the neck hanging fan of the present invention;
fig. 2 is a perspective view of the rotating structure of the neck hanging fan of the present invention;
fig. 3 is a schematic view of the internal structure of the main body of the neck hanging fan after the mounting member is removed from the rotating structure of the neck hanging fan;
FIG. 4 is an enlarged view of a portion A of FIG. 3;
fig. 5 is a perspective view of one of the movable arms of the present invention;
fig. 6 is a schematic view of the internal structure of the movable arm of fig. 5.
Detailed Description
In order to more clearly and completely explain the technical scheme of the present invention, the present invention is further explained with reference to the attached drawings.
Referring to fig. 1 to 6, the present invention provides a rotating structure of a neck hanging fan, including: the device comprises a main body 10, two movable arms 20 and two blowing devices 30, wherein the movable arms 20 are provided with universal shafts 21, the main body 10 is provided with movable grooves 11, the universal shafts 21 are partially contained in the movable grooves 11 and movably connected with the main body 10, and the two blowing devices 30 are respectively contained in the two movable arms 20.
In this embodiment, in use, the movable arm 20 is rotated, the universal shaft 21 moves in the movable slot 11, so that the movable arm 20 can rotate around the circumferential direction of the universal shaft 21 by a certain angle relative to the main body 10, and thus the wind energy blown by the two blowing devices 30 can be aligned with the angle desired by the user, the movable arm 20 rotates around the universal shaft 21, so that the user can adjust the angle of the movable arm 20 more easily, and the angle of the movable arm 20 can be adjusted without using a large force, so as to adjust the blowing angle, which is convenient for the user to use the neck hanging fan, and meanwhile, when being stored, the movable arm 20 can rotate around the universal shaft 21, so that the two movable arms 20 are folded relative to the main body 10, so that the volume of the folded neck hanging fan is smaller, and the neck hanging fan is convenient to be stored.
Further, the universal shaft 21 penetrates through the movable groove 11, extends into the main body 10, and is movably connected with the main body 10, a rotating groove 12 communicated with the movable groove 11 is formed in the main body 10, a rotating portion 22 is arranged on the universal shaft 21, and the rotating portion 22 is contained in the rotating groove 12.
In this embodiment, two stopper plates 13 are disposed in the movable groove 11, the movable arm 20 rotates relative to the main body 10 around the circumferential direction of the universal shaft 21, so that the rotating portion 22 rotates in the movable groove 12, the rotating portion 22 moves between the two stopper plates 13, so that the movable arm 20 is angularly adjusted, and the stopper plates 13 prevent the movable arm 20 from being excessively rotated.
Further, the rotating structure of the neck hanging fan further comprises a mounting piece 40 and an abutting piece 50, wherein the mounting piece 40 and the abutting piece 50 are both contained in the main body 10, the mounting piece 40 partially shields the universal shaft 21, the abutting piece 50 is contained in the mounting piece 40, the universal shaft 21 is partially contained in the mounting piece 40, the abutting piece 50 abuts against the universal shaft 21, and the mounting piece 40 is fixedly connected with the main body 10.
In this embodiment, the abutting part 50 is made of silica gel, the rotating part 22 abuts against the inner wall of the rotating groove 12, the mounting part 40 partially shields the universal shaft 21, the universal shaft 21 is prevented from being separated from the movable groove 11 in the rotating process, the abutting part 50 abuts against the universal shaft 21, so that the friction force between the abutting part 50 and the universal shaft 21 is increased, the movable arm 20 can be kept fixed after rotating, and the abutting part 50 is made of silica gel, so that the friction force can be buffered when the universal shaft 21 rotates, abrasion is reduced in the rotating process, and the service life of the abutting part 50 is longer.
Further, a first avoiding groove 41 communicated with the movable groove 11 is formed in the mounting member 40, and a second avoiding groove 51 communicated with the first avoiding groove 41 is formed in the abutting member 50.
In the present embodiment, the first and second avoiding grooves 41 and 51 make the rotation of the universal shaft 21 smoother.
Further, the movable arm 20 is provided with an air outlet portion 23 and an air inlet slot 24 communicated with the air outlet portion 23.
In this embodiment, the external air enters the movable arm 20 from the air inlet slot 24, passes through the air blowing device 30, and is blown to the user from the air outlet portion 23, so that the user can feel cooler.
Furthermore, an accommodating space 25 communicated with the air outlet portion 23 and the air inlet slot 24 is formed in the movable arm 20, and the blowing device 30 is accommodated in the accommodating space 25.
In the present embodiment, the blowing device 30 is a fan, and the receiving space 25 facilitates the installation of the blowing device 30 into the movable arm 20.
Further, an air guiding portion 26 communicated with the air outlet portion 23 is arranged in the movable arm 20, the air guiding portion 26 is provided with a maximum end 27 and a minimum end 28, the cross-sectional area of the air guiding portion 26 gradually decreases from the maximum end 27 to the minimum end 28, a plurality of air outlet grooves 29 are arranged on the air outlet portion 23, the air outlet grooves 29 are communicated with the air guiding portion 26, and the minimum cross-sectional area of the accommodating space 25 is larger than the maximum end 27 of the air guiding portion 26.
In this embodiment, the minimum cross-sectional area of the accommodating space 25 is larger than the maximum end 27 of the air guiding portion 26, the wind speed blown into the air guiding portion 26 by the blowing device 30 is faster, and the difference between the wind speed of the air outlet slot 29 far away from the blowing device 30 and the wind speed of the air outlet slot 29 close to the blowing device 30 is small because the cross-sectional area of the air guiding portion 26 gradually decreases from the maximum end 27 to the minimum end 28, so that the air outlet effect of the air outlet portion 23 is better.
Further, the rotating structure of the neck hanging fan further comprises a shielding piece 60, the shielding piece 60 is installed on the movable arm 20, and the shielding piece 60 partially shields the air inlet slot 24.
In this embodiment, the shielding member 60 partially shields the air inlet tank 24, so as to reduce the direct entry of external large foreign particles from the air inlet tank 24 into the movable arm 20, thereby preventing the blower 30 from being damaged.
Further, the rotating structure of the neck hanging fan further comprises a circuit board 70, the circuit board 70 is accommodated in one of the movable arms 20, and both of the two blowing devices 30 are electrically connected to the circuit board 70.
In the present embodiment, the circuit board 70 controls the operation state of the blowing device 30.
Further, the rotating structure of hanging the neck fan still includes semiconductor refrigeration piece 80, installation department 14 is established to the epirelief in main part 10, semiconductor refrigeration piece 80 accept in the main part 10, semiconductor refrigeration piece 80 is installed on the installation department 14, semiconductor refrigeration piece 80 with circuit board 70 electricity is connected.
In this embodiment, the circuit board 70 controls the operating state of the semiconductor refrigeration sheet 80, and the mounting portion 14 is attached to the neck of the user, so that the semiconductor refrigeration sheet 80 cools the neck of the user.
In this embodiment, the rotating structure of the neck hanging fan further includes a power supply (not shown in the drawings), the power supply is housed in the main body 10, the power supply is electrically connected to the circuit board 70, when in use, the circuit board 70 controls the semiconductor cooling sheet 80 and the blowing device 30 to operate, when a user needs to adjust an air outlet angle, the movable arm 20 is rotated, the movable arm 20 rotates relative to the main body 10 around the circumferential direction of the universal shaft 21, so that the rotating portion 22 rotates in the rotating groove 12, the rotating portion 22 moves between the two limiting plates 13, so that the movable arm 20 adjusts an angle, and further adjusts an air outlet angle, the abutting member 50 abuts against the universal shaft 21, so as to increase a friction force between the abutting member 50 and the universal shaft 21, so that the movable arm 20 after rotation can be fixed, the angle of the movable arm 20 can be adjusted without using a large force, so as to adjust an air outlet angle, so that the user can use the neck hanging fan conveniently, and when the neck hanging fan is stowed, the movable arm 20 can rotate around the rotating structure, so that the air outlet end area of the air guiding space 20 is gradually decreased from the air inlet space 26 to the air guiding space 26, so that the air inlet space 26 is folded from the air inlet space 26 is more quickly, and the air guiding space 26 is folded from the air inlet space 26, so that the air inlet space 26 is more quickly folded by the air inlet space 26, and the air guiding space 26, so that the air inlet space 26 is folded by the air inlet space 26, the air inlet space 26 is folded by the air inlet space 25 and the air inlet space 25, and the air outlet space 27, and the air inlet space 25, the difference between the wind speed of the air outlet groove 29 far away from the blowing device 30 and the wind speed of the air outlet groove 29 close to the blowing device 30 is very small, so that the air outlet effect of the air outlet part 23 is better.
Of course, the present invention can also have other various embodiments, and based on the embodiments, those skilled in the art can obtain other embodiments without any creative work, and all of them belong to the protection scope of the present invention.
Claims (10)
1. The utility model provides a rotating-structure of hanging neck fan which characterized in that, the rotating-structure of hanging neck fan includes: the air blowing device comprises a main body, two movable arms and two air blowing devices, wherein universal shafts are arranged on the movable arms, movable grooves are formed in the main body, the parts of the universal shafts are contained in the movable grooves and movably connected with the main body, and the two air blowing devices are contained in the two movable arms respectively.
2. The rotating structure of a neck hanging fan as claimed in claim 1, wherein the universal shaft extends into the main body through the movable slot and is movably connected with the main body, a rotating slot communicating with the movable slot is provided in the main body, a rotating portion is provided on the universal shaft, and the rotating portion is accommodated in the rotating slot.
3. The rotating structure of a neck hanging fan as claimed in claim 1, further comprising a mounting member and an abutting member, wherein the mounting member and the abutting member are both housed in the body, the mounting member partially covers the universal shaft, the abutting member is housed in the mounting member, the universal shaft is partially housed in the mounting member, the abutting member abuts against the universal shaft, and the mounting member is fixedly connected to the body.
4. The rotating structure of a neck hanging fan as claimed in claim 3, wherein the mounting member is provided with a first avoiding groove communicated with the movable groove, and the abutting member is provided with a second avoiding groove communicated with the first avoiding groove.
5. The rotating structure of a neck hanging fan as claimed in claim 1, wherein the movable arm is provided with an air outlet portion and an air inlet slot communicated with the air outlet portion.
6. The rotating structure of a neck hanging fan as claimed in claim 5, wherein the movable arm has a receiving space therein, the receiving space being in communication with the air outlet portion and the air inlet slot, and the blowing device is received in the receiving space.
7. The rotating structure of a neck hanging fan as claimed in claim 6, wherein the movable arm has a wind guiding portion connected to the wind outlet portion, the wind guiding portion has a maximum end and a minimum end, the cross-sectional area of the wind guiding portion gradually decreases from the maximum end to the minimum end, the wind outlet portion has a plurality of wind outlet slots, the wind outlet slots are connected to the wind guiding portion, and the minimum cross-sectional area of the accommodating space is greater than the maximum end of the wind guiding portion.
8. The rotating structure of the neck hanging fan as claimed in claim 5, further comprising a shielding member mounted on the movable arm, wherein the shielding member partially shields the air inlet slot.
9. The rotating structure of a neck hanging fan as claimed in claim 1, further comprising a circuit board, wherein the circuit board is accommodated in one of the movable arms, and both of the two blowing devices are electrically connected to the circuit board.
10. The rotating structure of a neck fan as claimed in claim 9, wherein the rotating structure of the neck fan further comprises a semiconductor refrigeration piece, the main body is provided with an installation part, the semiconductor refrigeration piece is contained in the main body, the semiconductor refrigeration piece is installed on the installation part, and the semiconductor refrigeration piece is electrically connected with the circuit board.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021229956663 | 2021-12-01 | ||
| CN202122995666 | 2021-12-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217682415U true CN217682415U (en) | 2022-10-28 |
Family
ID=83710730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221550513.6U Expired - Fee Related CN217682415U (en) | 2021-12-01 | 2022-06-20 | Rotating structure of neck hanging fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217682415U (en) |
-
2022
- 2022-06-20 CN CN202221550513.6U patent/CN217682415U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221028 |