CN212867990U - Portable fan - Google Patents
Portable fan Download PDFInfo
- Publication number
- CN212867990U CN212867990U CN202021910789.1U CN202021910789U CN212867990U CN 212867990 U CN212867990 U CN 212867990U CN 202021910789 U CN202021910789 U CN 202021910789U CN 212867990 U CN212867990 U CN 212867990U
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- Prior art keywords
- base
- supporting rod
- branch
- supporting
- fan
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- 230000000903 blocking effect Effects 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 4
- 238000007664 blowing Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000008034 disappearance 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; the fan body comprises a housing and an air outlet assembly arranged in the housing; support arm, it includes two branch that distribute along base circumference in proper order: a first strut and a second strut; the first end of the first supporting rod is rotatably connected with the base, the second end of the first supporting rod is rotatably connected with the first end of the second supporting rod, and the second end of the second supporting rod is rotatably connected with the fan body, so that the supporting arm can be in an unfolding state or a folding state; when the supporting arm is in an unfolded state, the height of the fan body relative to the base can be adjusted; when the supporting arm is in a folding state, the fan body, the supporting arm and the base are folded together from top to bottom, and the supporting arm is arranged along the circumferential direction of the base. The portable fan is convenient to fold and store, small in size after being folded and stored, capable of adjusting the height, and 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 popular with people due to small volume and portability; 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, overcome the defect of above prior art, provide one kind and be convenient for fold and accomodate, fold and accomodate the back small, 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
A base;
the fan body comprises a housing and an air outlet assembly arranged in the housing;
support arm, it includes two branch that distribute along base circumference in proper order: a first strut and a second strut;
the first end of the first supporting rod is rotatably connected with the base, the second end of the first supporting rod is rotatably connected with the first end of the second supporting rod, and the second end of the second supporting rod is rotatably connected with the fan body, so that the supporting arm can be in an unfolding state or a folding state; when the supporting arm is in an unfolded state, the height of the fan body relative to the base can be adjusted; when the supporting arm is in a folding state, the fan body, the supporting arm and the base are folded together from top to bottom, and the supporting arm is arranged along the circumferential direction of the base.
As an improvement, the base is provided with a recessed annular accommodating groove which is circumferentially distributed along the base, the first end of the first supporting rod is rotatably connected in the annular accommodating groove, and when the supporting arm is in a folded state, the first supporting rod and the second supporting rod are sequentially arranged along the circumferential direction of the annular accommodating groove and embedded in the annular accommodating groove.
Preferably, the first supporting rod and the second supporting rod are both bent arc-shaped rods, when the supporting arms are in a folded state, the first supporting rod and the second supporting rod are closed to form a circular ring shape, and the fan body is located in a circular ring-shaped inner hole formed by the first supporting rod and the second supporting rod.
Preferably, a connecting plate is connected in the annular accommodating groove, and the first end face of the first support rod is rotatably connected with a connecting hole in the connecting plate through a rotating shaft.
As preferred, a limiting plate of setting in the base is connected to the first end of first bracing piece, the limiting plate rotate along with first bracing piece is synchronous, and connect an elastic bulge on the limiting plate, be equipped with first limit structure and the second limit structure that supplies the protruding joint of elasticity when first bracing piece rotates on the inner wall of base, first limit structure be used for supplying the protruding joint of elasticity when the support arm is in the expansion state, second limit structure is used for supplying the protruding joint of elasticity when the support arm is in fold condition.
Preferably, the first limiting structure is a clamping hole arranged on the inner wall of the base; the second limiting structure is a limiting step arranged on the inner wall of the base.
Preferably, the limiting plate is provided with a limiting clamping hook, the base is internally connected with a fixing plate, and the fixing plate is provided with a limiting clamping table for clamping the limiting clamping hook when the first supporting rod rotates.
Preferably, a charging interface is arranged on the outer side wall of the base, a power supply unit is connected in the base, and the charging interface is electrically connected with the power supply unit and used for charging the power supply unit.
Preferably, the first support rod and the second support rod are internally provided with threading channels through which power supply wires penetrate, and the threading channels are internally provided with electric wires for connecting the air outlet assembly and the power supply unit in a penetrating manner.
Preferably, the outer side of the connecting plate is provided with a blocking part, and the end face of the first end of the first supporting rod is provided with a rotation stopping step which is matched with and abutted against the blocking part.
After the structure above the adoption, the utility model relates to a portable fan compares with prior art, has following advantage: firstly, this kind of portable fan sets the support arm into two branches that distribute along base circumference in proper order: the fan comprises a base, a first supporting rod and a second supporting rod, wherein the first end of the first supporting rod is rotatably connected with the base, the second end of the first supporting rod is rotatably connected with the first end of the second supporting rod, and the second end of the second supporting rod is rotatably connected with the fan body, so that the supporting arm can be in an unfolded state or a folded state; when the supporting arm is in the unfolding state, the height of the fan body relative to the base is adjustable; when the supporting arm is in a folded state, the fan body, the supporting arm and the base are folded together from top to bottom, and the supporting arm is arranged along the circumferential direction of the base; therefore, the portable fan is small in height after the fan body, the supporting arm and the base are folded together, the portable fan is small in size after being folded, convenient to carry and capable of adjusting the height of the fan body, and the portable fan is easy and convenient to operate when used. Secondly, the arrangement of the annular containing groove enables the first supporting rod and the second supporting rod of the supporting arm to be embedded in the annular containing groove after the supporting arm is folded, so that the height of the folded fan is further reduced, and the volume of the folded fan is smaller. Moreover, the first supporting rod and the second supporting rod are both bent arc-shaped rods, when the supporting arm is in a folded state, the first supporting rod and the second supporting rod are closed to be circular, and the fan body is positioned in a circular inner hole formed by the first supporting rod and the second supporting rod, so that the supporting arm does not occupy space, the height of the folded fan can be further reduced, and the volume of the folded fan is smaller; in addition, the first limiting structure, the second limiting structure and the limiting plate are matched with each other in a clamping mode of the elastic protrusions, so that the supporting arm can be well positioned in an unfolding state or a folding state, accidental folding or unfolding is prevented, and the safety is good. The spacing cooperation of spacing trip on spacing ka tai and the limiting plate on the fixed plate and the spacing cooperation of the fender portion and the rotation stopping step of connecting plate can prevent to exert oneself and make the support arm turned angle too big and damage the base when expanding the support arm. 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 a portable fan according to the present invention.
Fig. 2 is a schematic back structural view of the portable fan of the present invention.
Fig. 3 is a schematic cross-sectional view of a portable fan according to the present invention.
Fig. 4 is a schematic view of the portable fan according to the present invention in a folded state.
Fig. 5 is a schematic view of a connection structure of the first support rod of the portable fan of the present invention.
Fig. 6 is a schematic view of an internal structure of a portable fan base according to the present invention.
As shown in the figure:
1. the base, 100, the annular storage tank, 2, the fan body, 200, the housing, 3, the support arm, 300, first branch, 301, the second branch, 302, first apron, 303, the second apron, 304, the threading passageway, 305, the connecting axle, 306, the pivot, 307, the stall step, 4, electrical unit, 400, the interface that charges, 401, the switch, 5, the connecting plate, 500, the fender portion, 501, the connecting hole, 6, the limiting plate, 600, spacing trip, 601, elastic bulge, 7, the fixed plate, 700, spacing ka tai, 8, first limit structure, 800, the second limit structure.
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 6;
the utility model relates to a portable fan, which comprises a base 1, wherein a switch 401 is arranged at the top of the base 1, a charging interface 400 is arranged on the outer side wall of the base 1, a power supply unit 4 and a control circuit board are connected in the base 1, and the charging interface 400 is electrically connected with the power supply unit 4 and is used for charging the power supply unit 4; the power supply unit 4 is a dc power supply or a dc charging power supply, and the control circuit board is a control circuit board connected with a control switch in an electric fan in the prior art, which is a product in the prior art, and the detailed description is omitted in this embodiment. The base 1 is provided with a concave annular containing groove 100 which is distributed along the circumferential direction of the base 1; the fan body 2 comprises a housing 200 and an air outlet assembly arranged in the housing; the air outlet assembly is generally a motor and a fan blade connected to a rotating shaft of the motor, and the motor is electrically connected with the power supply unit 4 in the base through a wire or a power line; support arm 3, it includes two branch that distribute along base circumference in proper order: a first strut 300 and a second strut 301; the first end of the first supporting rod 300 is rotatably connected with the base 1, the second end of the first supporting rod 300 is rotatably connected with the first end of the second supporting rod 301 through a hollow connecting shaft 305, and the second end of the second supporting rod 301 is rotatably connected with the fan body 2, so that the supporting arm 3 can be in an unfolding state or a folding state; when the supporting arm 3 is in the unfolding state, the height of the fan body 2 relative to the base 1 can be adjusted; when the supporting arm 3 is in a folded state, the fan body 2, the supporting arm 3 and the base 1 are folded together from top to bottom, and the supporting arm 3 is arranged along the circumferential direction of the base 1. The first end of the first supporting rod 300 is rotatably connected in the annular accommodating groove 100, and when the supporting arm 3 is in the folded state, the first supporting rod 300 and the second supporting rod 301 are sequentially arranged along the circumferential direction of the annular accommodating groove 100 and embedded in the annular accommodating groove 100. The portable fan is small in height after the fan body 2, the supporting arm 3 and the base 1 are folded together, so that the portable fan is small in size after being folded, convenient to carry, capable of adjusting the height of the fan body, and simple and convenient to operate when in use. The setting of annular storage tank after the support arm is folding, can make the first branch and the second branch of support arm inlay and establish in annular storage tank, further dwindled the height after the fan is folded like this, make the volume after folding littleer.
Referring to fig. 1 to 4 again, the embodiment of the present invention is shown; the first support rod 300 and the second support rod 301 are both curved arc-shaped rods, and in this embodiment, the first support rod 300 and the second support rod 301 are both curved semi-circular; when the supporting arm 3 is in the folded state, the first supporting rod 300 and the second supporting rod 301 are closed to form a circular ring, and the fan body 2 is located in a circular ring inner hole formed by the first supporting rod 300 and the second supporting rod 301. Set up like this, not only make the support arm not occupation space, can further reduce the height after the fan is folded moreover, make the fan volume after folding littleer.
Referring again to fig. 3, as an embodiment of the present invention; the first supporting rod 300 and the second supporting rod 301 are internally provided with threading channels 304 through which power supply lines pass, and the threading channels 304 are internally provided with electric wires for connecting the air outlet assembly and the power supply unit 4 in a penetrating manner. That is to say, the first support rod 300 and the second support rod 301 are hollow rod members, the back of the first support rod 300 is connected with a first cover plate 302 through a screw, the back of the second support rod 301 is connected with a second cover plate 303 through a screw, when the electric wire for connecting the air outlet assembly and the power supply unit is arranged, the first cover plate 302 and the second cover plate 303 can be opened, and the first cover plate 302 and the second cover plate 303 are covered after the electric wire is completely penetrated, so that the electric wire can be very conveniently assembled.
Referring to fig. 5 to 6 again, the embodiment of the present invention is shown; a connecting plate 5 is connected in the annular receiving groove 100, and the first end surface of the first supporting rod 300 is rotatably connected with a connecting hole 501 on the connecting plate 5 through a rotating shaft 306. The limiting plate 6 of a setting in base 1 is connected to the first end of first branch 300, limiting plate 6 rotate along with first branch 300 is synchronous, and connect an elastic bulge 601 on the limiting plate 6, elastic bulge 601 including setting up spring and the elastic pin of sliding fit in the mounting hole in the limiting plate 6 mounting hole, this elastic pin offsets with the spring, applys the effort for the elastic pin, can make this elastic pin slide in the mounting hole, when exerting the power disappearance, the elastic pin resets under the effect of spring. Be equipped with first limit structure 8 and the second limit structure 800 that supply elasticity protruding 601 joint when first branch 300 rotates on base 1's the inner wall, first limit structure 8 be used for supplying elasticity protruding 601 joint when support arm 3 is in the expansion state, second limit structure 800 is used for supplying elasticity protruding 601 joint when support arm 3 is in fold condition. The first limiting structure 8 is a clamping hole arranged on the inner wall of the base 1; the second limiting structure 800 is a limiting step arranged on the inner wall of the base. The clamping cooperation of the elastic protrusions 601 on the first limiting structure 8 and the second limiting structure 800 and the limiting plate 6 enables the supporting arm 3 to be well positioned in an unfolding state or a folding state, so that accidental folding or unfolding is prevented, and the safety is good.
Referring to fig. 5 to 6 again, the embodiment of the present invention is shown; limiting plate 6 on be equipped with spacing trip 600, base 1 in connect a fixed plate 7, fixed plate 7 on be equipped with the spacing ka tai 700 that supplies spacing trip 600 joint when first bracing piece 300 rotates. The outer side of the connecting plate 5 is provided with a blocking portion 500, and the end face of the first end of the first support rod 300 is provided with a rotation stopping step 307 which is matched with the blocking portion 500 to abut against. The spacing cooperation of spacing trip on spacing ka tai and the limiting plate on the fixed plate and the spacing cooperation of the fender portion and the rotation stopping step of connecting plate can prevent to exert oneself and make the support arm turned angle too big and damage the base when expanding the support arm.
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 (10)
1. A portable fan, characterized in that: it comprises
A base;
the fan body comprises a housing and an air outlet assembly arranged in the housing;
support arm, it includes two branch that distribute along base circumference in proper order: a first strut and a second strut;
the first end of the first supporting rod is rotatably connected with the base, the second end of the first supporting rod is rotatably connected with the first end of the second supporting rod, and the second end of the second supporting rod is rotatably connected with the fan body, so that the supporting arm can be in an unfolding state or a folding state; when the supporting arm is in an unfolded state, the height of the fan body relative to the base can be adjusted; when the supporting arm is in a folding state, the fan body, the supporting arm and the base are folded together from top to bottom, and the supporting arm is arranged along the circumferential direction of the base.
2. A portable fan according to claim 1, wherein: the base is provided with a recessed annular containing groove which is circumferentially distributed along the base, the first end of the first supporting rod is rotatably connected in the annular containing groove, and when the supporting arm is in a folded state, the first supporting rod and the second supporting rod are sequentially arranged along the circumferential direction of the annular containing groove and embedded in the annular containing groove.
3. A portable fan according to claim 2, wherein: first branch and second branch be crooked arc pole, when the support arm was in fold condition, this first branch and second branch closure were ring shape, and the fan body was located the ring shape hole that first branch and second branch formed.
4. A portable fan according to claim 2, wherein: the annular containing groove is internally connected with a connecting plate, and the first end face of the first supporting rod is rotatably connected with a connecting hole in the connecting plate through a rotating shaft.
5. The portable fan according to claim 4, wherein: the limiting plate of a setting in the base is connected to the first end of first branch, the limiting plate rotate along with first branch is synchronous, and connect an elastic bulge on the limiting plate, be equipped with first limit structure and the second limit structure that supplies the protruding joint of elasticity when first branch rotates on the inner wall of base, first limit structure be used for supplying the protruding joint of elasticity when the support arm is in the expansion state, second limit structure is used for supplying the protruding joint of elasticity when the support arm is in fold condition.
6. The portable fan of claim 5, wherein: the first limiting structure is a clamping hole arranged on the inner wall of the base; the second limiting structure is a limiting step arranged on the inner wall of the base.
7. The portable fan of claim 5, wherein: the limiting plate on be equipped with spacing trip, the base in connect a fixed plate, the fixed plate on be equipped with the spacing ka tai that supplies spacing trip joint when first bracing piece rotates.
8. A portable fan according to claim 1, wherein: the base is characterized in that a charging interface is arranged on the outer side wall of the base, a power supply unit is connected in the base, and the charging interface is electrically connected with the power supply unit and used for charging the power supply unit.
9. A portable fan according to claim 8, wherein: all be equipped with the threading passageway that the power supply line passed in first branch and the second branch, the threading passageway in wear to be equipped with the electric wire of connecting air-out subassembly and electrical unit.
10. The portable fan according to claim 4, wherein: the outer side of the connecting plate is provided with a blocking part, and the end face of the first end of the first supporting rod is provided with a rotation stopping step matched and abutted with the blocking part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021910789.1U CN212867990U (en) | 2020-09-04 | 2020-09-04 | Portable fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021910789.1U CN212867990U (en) | 2020-09-04 | 2020-09-04 | Portable fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212867990U true CN212867990U (en) | 2021-04-02 |
Family
ID=75194061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021910789.1U Expired - Fee Related CN212867990U (en) | 2020-09-04 | 2020-09-04 | Portable fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212867990U (en) |
-
2020
- 2020-09-04 CN CN202021910789.1U patent/CN212867990U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210402 |