CN211599051U - Portable fan - Google Patents
Portable fan Download PDFInfo
- Publication number
- CN211599051U CN211599051U CN201922484248.0U CN201922484248U CN211599051U CN 211599051 U CN211599051 U CN 211599051U CN 201922484248 U CN201922484248 U CN 201922484248U CN 211599051 U CN211599051 U CN 211599051U
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- China
- Prior art keywords
- fixed pipe
- base
- fan
- supporting arm
- pipe
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- 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
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- 230000008602 contraction Effects 0.000 claims abstract description 8
- 238000007664 blowing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 235000021178 picnic Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a portable fan, which comprises a base, wherein a power supply unit and a control circuit board are arranged in the base, and a concave accommodating groove is arranged at the top of the base; the fan body comprises a housing, a driving motor and fan blades, wherein the driving motor and the fan blades are arranged in the housing; the supporting arm comprises a fixed pipe and at least one movable pipe sleeved in the fixed pipe, and the movable pipe can relatively slide and stretch along the axial direction of the fixed pipe to enable the supporting arm to be in an expansion state or a contraction state; the lower end of the fixed pipe of the supporting arm is hinged with the inner wall of one end of the accommodating groove, and the free end of the movable pipe of the supporting arm is hinged with the back of the fan body; when the supporting arm is in a contraction state, the supporting arm can be rotated to be arranged in the accommodating groove, and the back surface of the housing of the fan body is attached to the top of the base. The portable fan is convenient to fold, store and adjust the height, and is simple and convenient to operate.
Description
Technical Field
The utility model relates to a fan technical field, what specifically say is a portable fan.
Background
The electric fan is the instrument of blowing of using often in summer, and other seasons then need be deposited, and the electric fan of prior art generally is desk fan and floor fan, in order to make it be convenient for deposit, generally all need dismantle screw, nut etc. just can separate base, support arm and fan body to make it occupy less space, when using again, need reinstallate, consequently the operation is more loaded down with trivial details.
In addition, with the improvement of living standard of people, more and more people like outdoor activities such as travel, picnic and the like, and especially in hot summer, the common electric fan is inconvenient to carry due to the limitation of an alternating current power supply; the miniature charging fan appearing in the market is very popular with people due to the fact that the miniature charging fan is convenient to carry; but the power is small, the blowing effect is poor, and the electric hair dryer is only suitable for single people to use and is not suitable for the situation that more people exist; moreover, the height of the miniature charging fan is fixed, and the miniature charging fan needs to be manually used or placed on a support for use, and particularly in outdoor activities, much time is consumed due to finding the support of the fan, so that the fan in the prior art cannot meet the requirements of people.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome above prior art's defect, provide one kind and be convenient for fold and accomodate, can height-adjusting, and easy operation, convenient portable fan.
The technical solution of the utility model is that, a portable fan with following structure is provided: it comprises
The base is internally provided with a power supply unit and a control circuit board, the base is provided with a control switch, and the top of the base is provided with a concave accommodating groove;
the fan body comprises a housing, a driving motor and fan blades, wherein the driving motor and the fan blades are arranged in the housing;
the supporting arm comprises a fixed pipe and at least one movable pipe sleeved in the fixed pipe, and the movable pipe can relatively slide and stretch along the axial direction of the fixed pipe to enable the supporting arm to be in an expansion state or a contraction state; the lower end of the fixed pipe of the supporting arm is hinged with the inner wall of one end of the accommodating groove, and the free end of the movable pipe of the supporting arm is hinged with the back of the fan body;
when the supporting arm is in a contraction state, the supporting arm can be rotated to be arranged in the accommodating groove, and the back surface of the housing of the fan body is attached to the top of the base.
Preferably, two inner side walls at one end of the accommodating groove are provided with two mounting seats which are inwards convex relatively, the tops of the mounting seats are provided with step surfaces, two coaxial mounting holes are formed in the two inner side walls of the mounting seats, and the lower end of the fixed pipe is rotatably connected in the two mounting holes.
Preferably, the fixed pipe is in threaded connection with a sleeve, the lower end of the sleeve is rotatably connected with a locking plate sleeved on the fixed pipe, and the locking plate synchronously moves along the axial direction of the fixed pipe along with the sleeve; when the locking plate moves downwards along the axial direction of the fixed pipe along with the sleeve pipe until the locking plate is attached to and pressed tightly with the step surface at the top of the mounting seat, the fixed pipe is vertically locked on the base; when the locking plate moves upwards along the axial direction of the fixed pipe along with the sleeve pipe until the locking plate is separated from the step surface at the top of the mounting seat, the fixed pipe can rotate relative to the base.
Preferably, the back surface of the housing is hinged with the free end of the movable pipe, the back surface of the housing is provided with a hook which extends outwards along the axial direction of the housing, the top of the base is provided with a hanging hole which is matched and hung with the hook, and when the supporting arm rotates into the accommodating groove and the back surface of the housing is attached to the top of the base, the hook is inserted into the hanging hole.
Preferably, the hanging hole is formed in the inner wall of one end of the accommodating groove.
Preferably, the movable pipe is a plurality of movable pipes, and the fixed pipe and the movable pipe are sequentially nested from outside to inside and are in sliding fit.
Preferably, a charging interface is arranged on the outer side wall of the base and electrically connected with the power supply unit for charging the power supply unit.
Preferably, the power supply unit is electrically connected with the driving motor in the housing through a wire, and the wire penetrates through inner holes of the fixed tube and the movable tube of the support arm.
After the structure more than adopting, the utility model discloses portable fan compares with prior art, has following advantage: the top of the base of the portable fan is provided with a concave containing groove, the lower end of a fixed pipe of a supporting arm is hinged with the inner wall of one end of the containing groove, and the free end of a movable pipe of the supporting arm is hinged with the back of the fan body; when the supporting arm is in a contraction state, the supporting arm can be rotated to be arranged in the accommodating groove, and the back surface of the housing of the fan body is attached to the top of the base. Therefore, the portable fan can enable the supporting arm to be contracted and then rotate into the accommodating groove of the base, the back face of the housing of the fan body is attached to the top of the base, the space can be saved, the portable fan is convenient to store, and the folding operation of the supporting arm is simple and convenient. In addition, the height of the supporting arm can be adjusted when the supporting arm is unfolded, so that the blowing height of the fan body can be adjusted to meet the requirements of different users; moreover, the sleeve and the locking plate arranged on the fixed pipe can lock the fixed pipe to rotate, so that the supporting arm cannot rotate due to accidents in the unfolding state, and the use safety is high. The setting of hanging hole on housing back couple and the base makes this portable fan when fold condition, can not open because of the accident touches, and the user of being convenient for accomodates and carries. A power supply unit is arranged in the base of the portable fan, is a direct-current power supply and is rechargeable, so that a user can conveniently carry the portable fan out.
Drawings
Fig. 1 is a schematic front structural view of the portable fan of the present invention.
Fig. 2 is a schematic view of the back structure of the portable fan of the present invention.
Fig. 3 is a schematic cross-sectional structure diagram of the portable fan of the present invention.
Fig. 4 is an enlarged schematic view of a portion a of fig. 3 of the portable fan according to the present invention.
Fig. 5 is a schematic structural view of the portable fan of the present invention in a folded state.
As shown in the figure:
1. the fan comprises a base, 100, a containing groove, 101, a charging interface, 102, a control switch, 103, a mounting seat, 104, a step surface, 2, a fan body, 200, a housing, 201, fan blades, 202, a hook, 3, a supporting arm, 300, a fixed pipe, 301, a movable pipe, 302, a sleeve pipe, 303, a locking plate, 304, an annular groove, 305 and a clamping block.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 5;
the utility model relates to a portable fan, which comprises a base 1, wherein a power supply unit and a control circuit board are arranged in the base 1, a control switch 102 is arranged on the base 1, and a concave containing groove 100 is arranged at the top of the base 1; the outer side wall of the base 1 is provided with a charging interface 101, and the charging interface 101 is electrically connected with the power supply unit and used for charging the power supply unit. The power supply unit is a direct current power supply or a direct current charging power supply, the control circuit board is a control circuit board connected with a control switch in an electric fan in the prior art, and is a product in the prior art, in the embodiment, the power supply unit is electrically connected with the control circuit board, and the control switch 102 and the charging interface 101 are both connected with the control circuit board. The receiving groove 100 is disposed at the middle position of the top of the base 1, and the width and depth of the receiving groove 100 are both larger than the outer diameter of the fixing tube 300, so as to receive the supporting arm 3. The power supply unit is electrically connected with the driving motor in the housing through a lead, and the lead is arranged in the inner holes of the fixed tube 300 and the movable tube 301 of the support arm 3 in a penetrating way.
The fan body 2 comprises a housing 200, and a driving motor and a fan blade 201 which are arranged in the housing 200; the fan blade 201 is connected to a rotating shaft of the driving motor, and the driving motor drives the fan blade 201 to rotate to blow air after being powered on. The back of the housing 200 is hinged to the free end of the movable tube 301, the back of the housing 200 is provided with a hook 202 extending outwards along the axial direction of the housing 200, the top of the base 1 is provided with a hanging hole (not shown) matched and hung with the hook 202, and when the support arm 3 rotates into the accommodating groove 100 and the back of the housing 200 is attached to the top of the base 1, the hook 202 is inserted into the hanging hole. The hanging hole is formed on the inner wall of one end of the accommodating groove 100. The setting of hanging hole on housing back couple and the base makes this portable fan when fold condition, can not open because of the accident touches, and the user of being convenient for accomodates and carries.
The supporting arm 3 comprises a fixed pipe 300 and at least one movable pipe 301 sleeved in the fixed pipe 300, and the movable pipe 301 can relatively slide and stretch along the axial direction of the fixed pipe 300 so as to enable the supporting arm 3 to be in an expansion state or a contraction state; the movable tubes 301 are multiple, and the fixed tubes 300 and the movable tubes 301 are sequentially nested and in sliding fit from outside to inside. The lower end of the fixed pipe 300 of the supporting arm 3 is hinged with the inner wall of one end of the containing groove 100, and the free end of the movable pipe 301 of the supporting arm 3 is hinged with the back of the fan body 2; when the supporting arm 3 is in the retracted state, the supporting arm 3 is rotated to place the supporting arm 3 in the accommodating groove 100, and the back surface of the housing 200 of the fan body 2 is attached to the top of the base 1.
The lower end of the fixing tube 300 of the support arm 3 is hinged to the inner wall of one end of the accommodating groove 100, that is, two inner side walls of one end of the accommodating groove 100 are provided with two mounting seats 103 which are relatively convex inwards, the top of each mounting seat 103 is provided with a step surface 104, two inner side walls of each mounting seat 103 are provided with two coaxial mounting holes, and the lower end of the fixing tube 300 is rotatably connected in the two mounting holes. A sleeve 302 is connected to the fixed pipe 300 in a threaded manner, the lower end of the sleeve 302 is rotatably connected with a locking plate 303 sleeved on the fixed pipe 300, and the locking plate 303 moves along the axial direction of the fixed pipe 300 along with the sleeve 302; an annular groove 304 is formed in the outer side wall of the lower end of the sleeve 302, a clamping block 305 is arranged on the inner wall of the locking plate 303, and the clamping block 305 is in clearance fit in the annular groove 304 to achieve the rotation fit between the locking plate 303 and the sleeve. When the locking plate 303 moves downwards along the axial direction of the fixed tube 300 along with the sleeve 302 until the locking plate 303 is attached to and pressed against the step surface 104 at the top of the mounting seat 103, the fixed tube 300 is vertically locked on the base 1; when the locking plate 303 moves upward along the axial direction of the fixed tube 300 along with the sleeve 302 until the locking plate 303 disengages from the stepped surface 104 on the top of the mounting seat 103, the fixed tube 300 can rotate relative to the base 1. The locking plate can lock the fixed tube to rotate, so that the supporting arm cannot rotate due to accidents in the unfolded state, and the use safety is high.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A portable fan, characterized in that: it comprises
The base is internally provided with a power supply unit and a control circuit board, the base is provided with a control switch, and the top of the base is provided with a concave accommodating groove;
the fan body comprises a housing, a driving motor and fan blades, wherein the driving motor and the fan blades are arranged in the housing;
the supporting arm comprises a fixed pipe and at least one movable pipe sleeved in the fixed pipe, and the movable pipe can relatively slide and stretch along the axial direction of the fixed pipe to enable the supporting arm to be in an expansion state or a contraction state; the lower end of the fixed pipe of the supporting arm is hinged with the inner wall of one end of the accommodating groove, and the free end of the movable pipe of the supporting arm is hinged with the back of the fan body;
when the supporting arm is in a contraction state, the supporting arm can be rotated to be arranged in the accommodating groove, and the back surface of the housing of the fan body is attached to the top of the base.
2. The portable fan of claim 1, wherein: two opposite inward convex mounting seats are arranged on two inner side walls at one end of the accommodating groove, the top of each mounting seat is provided with a step surface, two coaxial mounting holes are formed in the two inner side walls of each mounting seat, and the lower end of each fixing pipe is rotatably connected in the two mounting holes.
3. The portable fan of claim 2, wherein: the fixed pipe is in threaded connection with a sleeve, the lower end of the sleeve is rotatably connected with a locking plate sleeved on the fixed pipe, and the locking plate synchronously moves along the axial direction of the fixed pipe along with the sleeve; when the locking plate moves downwards along the axial direction of the fixed pipe along with the sleeve pipe until the locking plate is attached to and pressed tightly with the step surface at the top of the mounting seat, the fixed pipe is vertically locked on the base; when the locking plate moves upwards along the axial direction of the fixed pipe along with the sleeve pipe until the locking plate is separated from the step surface at the top of the mounting seat, the fixed pipe can rotate relative to the base.
4. The portable fan of claim 1, wherein: the back of the housing is hinged with the free end of the movable pipe, the back of the housing is provided with a hook which extends outwards along the axial direction of the housing, the top of the base is provided with a hanging hole which is matched and hung with the hook, and when the supporting arm rotates into the accommodating groove and the back of the housing is attached to the top of the base, the hook is inserted into the hanging hole.
5. The portable fan of claim 4, wherein: the hanging hole is arranged on the inner wall of one end of the containing groove.
6. The portable fan of claim 1, wherein: the movable pipe be a plurality of, fixed pipe and movable pipe from outside to inside are nested and sliding fit in proper order.
7. The portable fan of claim 1, wherein: the outer side wall of the base is provided with a charging interface, and the charging interface is electrically connected with the power supply unit and used for charging the power supply unit.
8. The portable fan of claim 1, wherein: the power supply unit is electrically connected with the driving motor in the housing through a wire, and the wire penetrates through the inner holes of the fixed pipe and the movable pipe of the support arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922484248.0U CN211599051U (en) | 2019-12-30 | 2019-12-30 | Portable fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922484248.0U CN211599051U (en) | 2019-12-30 | 2019-12-30 | Portable fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211599051U true CN211599051U (en) | 2020-09-29 |
Family
ID=72599194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922484248.0U Expired - Fee Related CN211599051U (en) | 2019-12-30 | 2019-12-30 | Portable fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211599051U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943647A (en) * | 2021-01-27 | 2021-06-11 | 浙江农林大学暨阳学院 | Small fan with foldable pen container for aromatherapy |
-
2019
- 2019-12-30 CN CN201922484248.0U patent/CN211599051U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943647A (en) * | 2021-01-27 | 2021-06-11 | 浙江农林大学暨阳学院 | Small fan with foldable pen container for aromatherapy |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200929 |