CN211082341U - Hand-held stretching fan - Google Patents

Abstract

The utility model relates to a handheld tensile fan, this fan include fan main part, power supply unit spare and retractable handheld portion, power supply unit spare sets up inside handheld portion, handheld portion is connected with the fan main part, power supply unit spare is connected with the fan main part electricity. The handheld portion comprises a telescopic assembly and a handle, the telescopic assembly is connected with one end of the handle, the power supply assembly is arranged in the handle, and the other end of the handle is connected with the fan main body. The electric energy to the fan main part has been realized providing through setting up of power supply unit, through setting up handheld portion to the contraction type, makes things convenient for handheld portion's needs according to length to stretch, and the whole length of handheld portion diminishes after the shrink, and the volume reduces, portable.

Description

Hand-held stretching fan

Technical Field

The utility model belongs to the technical field of articles for daily use, in particular to handheld tensile fan.

Background

The fan is an electric fan which is used for cooling in hot days and is a device for generating airflow by electric drive, and the fan arranged in the fan is electrified and then rotated into natural wind to achieve the cooling effect; people can hardly meet the time without the fan and the air conditioner when going out, and in order to enable people to use the fan at any time when going out, some portable handheld fans appear on the market, however, the portable handheld fans are not foldable, the occupied space is large, and the portable handheld fans are still inconvenient to carry.

In the chinese patent of bulletin number "CN 206943037U" name is "mini fan is folded to hand-held type", a mini fan is folded to hand-held type is disclosed, its structure is including dismantling the screen panel, the silica gel circle, the fan leaf, the fan end cover, the right hand handle, the apparatus further comprises a rotating shaft, anti-skidding silica gel pad, the switch button, the PCBA board, a battery, handle anti-skidding silica gel cover, the left hand handle, can dismantle protruding passing through silica gel circle that is equipped with on the inside periphery of screen panel and fan end cover lock joint together, the inside of silica gel circle is equipped with the fan leaf, the inside positive center of fan end cover passes through the screw rod and is connected with the fan leaf is perpendicular, the inside at right hand handle is all installed with the battery to the PCBA board, the one end electricity of switch button is connected on the: the handle formed by the left handle and the right handle can rotate at 180 degrees without dead angles; the silica gel ring can be freely changed and combined, so that the fan is changed into a cartoon fan; and the unique wind design makes the fan have low noise and large air volume.

In the above patent, realized the nimble rotation of cover at the bottom of handle and the fan through setting up of pivot, made things convenient for the folding shrink of fan, nevertheless the whole volume is not less after the fan in the above patent is folding, has increased the width of whole fan on the contrary, portable not convenient for carry, in addition, this fan independently sets up, and the adaptation scope is narrower, and the facilitate promotion is used not, and this fan only can be handheld moreover, and the stability of placing when the desktop is relatively poor.

Disclosure of Invention

In order to solve the problem, an object of the utility model is to provide a shrink back volume less, convenient dismantlement, but wide, the better handheld tensile fan of stability of adaptation scope.

Another object of the utility model is to provide a handheld stretching fan that simple structure is stable, convenient to use is high-efficient, low in production cost, application scope are wider.

In order to achieve the above object, the technical solution of the present invention is as follows.

The utility model relates to a handheld tensile fan, a serial communication port, this fan include fan main part, power supply unit spare and the handheld portion of retractable, power supply unit spare sets up inside handheld portion, handheld portion is connected with the fan main part, power supply unit spare is connected with the fan main part electricity. The electric energy to the fan main part has been realized providing through setting up of power supply unit, through setting up handheld portion to the contraction type, makes things convenient for handheld portion's needs according to length to stretch, and the whole length of handheld portion diminishes after the shrink, and the volume reduces, portable.

Further, handheld portion includes flexible subassembly and handle, flexible subassembly is connected with handle one end is detachable, the power supply unit sets up in the handle, the handle other end is connected with fan main part is detachable. The shrink function of handheld portion has been realized through setting up of flexible subassembly, through dismantling of flexible subassembly and handle, conveniently dismantle flexible subassembly, the carrying of this fan of being convenient for, the handle behind the flexible subassembly of dismantling simultaneously can also realize fixed function by the firmware with other adaptations, makes things convenient for the fixed use of this handheld tensile fan, avoids the awkwardness that only can hand.

Further, flexible subassembly is including flexible group epitheca, flexible group inferior valve and flexible group, flexible group inferior valve is fixed in flexible group lower part, just flexible group epitheca one end is fixed and is formed tensile space at flexible group middle part behind the upper portion of flexible group, flexible group epitheca other end is provided with the spread groove, flexible group epitheca passes through the spread groove and is connected with the handle is detachable. Wherein the fixed mode of flexible group epitheca and flexible group and the fixed mode of flexible group inferior valve and flexible group all adopt glue to seal, avoid flexible group to produce the condition that influences flexible subassembly stability such as gas leakage after tensile after sealed. The glue sealing mode also ensures the stability of the telescopic assembly structure. Preferably, the telescopic group is a telescopic folded body, and is similar to the pressing part structure of a universal pressing type inflating device.

Furthermore, the telescopic group is further provided with a pressure control assembly, the pressure control assembly is communicated with the stretching space, and when the telescopic group stretches, the pressure control assembly is used for controlling the pressure balance between the stretching space and the external environment. The arrangement of the pressure control assembly ensures that the air pressure of the stretching group in the stretching or shrinking process in the stretching space is balanced, and the stability of the whole structure of the fan is ensured.

Further, the pressure control assembly comprises air holes, and the air holes are distributed on the surface of the telescopic assembly in an array manner.

Further, the handle includes handle drain pan and handle face-piece, form the power supply accommodation space at the middle part after handle drain pan and handle face-piece enclose to close, form the spliced pole in the handle bottom, form the connector link at the handle top, the power supply subassembly sets up in the power supply accommodation space, spliced pole and spread groove size adaptation, connector link and fan main part joint. Through setting up the power supply subassembly in power supply accommodation space, realized the protection to the power supply subassembly, the setting of spliced pole makes things convenient for being connected of handle and flexible subassembly, and the stability that handle and flexible subassembly are connected has been guaranteed to spliced pole and spread groove size adaptation, and the setting of connector link makes things convenient for being connected of handle and fan main part.

Furthermore, the longitudinal cross section of the telescopic group is wavy, the telescopic group can be folded at the wavy wave crests and wave troughs, the connecting column and the connecting groove are provided with thread groups matched with each other, and the connecting column and the connecting groove are detachably connected through the thread groups. The telescopic group can be folded at the wave-shaped wave crest and the wave trough to realize the stretching and shrinking functions of the telescopic group, and the thread group matched with the connecting column and the connecting groove is arranged on the connecting column and the connecting groove to realize the stable connection of the handle and the telescopic assembly and also realize the detachable function of the handle and the telescopic assembly.

Further, the power supply assembly comprises a battery, a PCB, a charging port and a key, the key is arranged on the front face of the handle face shell, the charging port is arranged on the side wall of the handle face shell, the battery and the PCB are arranged in the power supply accommodating space, the battery, the key and the charging port are electrically connected with the PCB, and the PCB is electrically connected with the fan main body. The power supply of the fan main body is realized through the arrangement of the power supply assembly.

Further, the fan main part includes fan drain pan, fan flabellum subassembly and fan face-piece, form flabellum accommodation space at the middle part behind fan face-piece and the detachable connection of fan drain pan, fan flabellum subassembly sets up in flabellum accommodation space, fan drain pan side outwards extends and forms the linking pipe, the fan drain pan is through linking pipe and the detachable connection of connector link. The connection of the fan main body and the handle is facilitated through the arrangement of the connecting pipe and the connection of the connecting pipe and the connecting buckle.

Further, the connector link is including card post and draw-in groove, the card post sets up on the handle drain pan, the draw-in groove sets up on the handle face-piece, card post and draw-in groove looks adaptation, the linking pipe is the tubular structure, the outside extension of linking pipe forms the holding ring, the card post passes behind the holding ring and the draw-in groove joint. The clamping column and the clamping groove on the connecting buckle are arranged to realize clamping connection of the positioning ring.

Further, the connector link sets up to two sets ofly, the holding ring sets up to two, and two sets of connector links are relative with two holding rings position respectively. The arrangement of the two groups of connecting buckles and the positions of the two groups of connecting buckles and the two positioning rings are opposite, so that the stability of the connection of the handle and the fan main body is ensured.

Furthermore, the fan bottom shell is internally provided with a fixing column, the middle part of the fan blade assembly is provided with a mounting groove, the fixing column is matched with the mounting groove, the fan bottom shell is provided with a wire guide plate, an electric wire is arranged in the wire guide plate, the PCB is electrically connected with the fixing column through the electric wire in the wire guide plate, when the fixing column is fixed in the mounting groove, the fixing column is electrically communicated with the mounting groove, and the mounting groove is electrically connected with the fan blade assembly. The fixed column and the installation groove are arranged to fix the fan blade assembly on the fan bottom shell, and the arrangement of the electric wire on the wire guide plate realizes the electric energy supply of the power supply assembly to the fan blade assembly.

To sum up, the utility model relates to a handheld tensile fan, its characterized in that, this fan include fan main part, power supply unit spare and the handheld portion of retractable, power supply unit spare sets up inside handheld portion, handheld portion is connected with the fan main part, power supply unit spare is connected with the fan main part electricity. The electric energy to the fan main part has been realized providing through setting up of power supply unit, through setting up handheld portion to the contraction type, makes things convenient for handheld portion's needs according to length to stretch, and the whole length of handheld portion diminishes after the shrink, and the volume reduces, portable.

Drawings

Fig. 1 is an exploded view of a handheld stretching fan according to the present invention.

Fig. 2 is a first perspective view of a handheld stretching fan according to the present invention.

Fig. 3 is a second perspective view of a handheld stretching fan according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-3, the utility model relates to a handheld tensile fan, its characterized in that, this fan 1 includes fan main part 2, power supply unit 3 and retractable handheld portion 4, power supply unit 3 sets up inside handheld portion 4, handheld portion 4 is connected the back with fan main part 2 is detachable, power supply unit 3 is connected with fan main part 2 electricity. The electric energy to fan main part 2 has been realized providing through setting up of power supply unit 3, through setting up handheld portion 4 to the contraction type, makes things convenient for handheld portion 4 to stretch according to the needs of length, and the whole length of handheld portion 4 diminishes after the shrink, and the volume reduces, portable, and the dismantlement of handheld portion 4 and fan main part 2 is convenient to the change of part.

In this embodiment, the handheld portion 4 includes a telescopic assembly 41 and a handle 42, the telescopic assembly 41 is detachably connected to one end of the handle 42, the power supply assembly 3 is disposed in the handle 42, and the other end of the handle 42 is detachably connected to the fan main body 2. The shrink function of handheld portion 4 has been realized through setting up of flexible subassembly 41, through dismantling of flexible subassembly 41 and handle 42, conveniently dismantle flexible subassembly 41, the carrying of this fan of being convenient for, the handle 42 after dismantling flexible subassembly 41 simultaneously can also realize fixed function with other adaptations by the firmware, makes things convenient for the fixed use of this handheld tensile fan, avoids the awkwardness that only can hand.

In this embodiment, the telescopic assembly 41 includes a telescopic upper casing 411, a telescopic lower casing 413 and a telescopic group 412, the telescopic lower casing 413 is fixed on the lower portion of the telescopic group 412, and one end of the telescopic upper casing 411 is fixed on the upper portion of the telescopic group 412 to form a stretching space 414 in the middle of the telescopic group 412, the other end of the telescopic upper casing 411 is provided with a connecting groove 415, and the telescopic upper casing 411 is detachably connected with the handle 42 through the connecting groove 415. The fixing manner of the upper casing 411 and the telescopic unit 412 of the telescopic unit and the fixing manner of the lower casing 413 and the telescopic unit 412 of the telescopic unit are sealed by glue, so that the situation that the stability of the telescopic assembly 41 is affected by air leakage and the like generated after the telescopic unit 412 is stretched after sealing is avoided. The glue sealing also ensures the structural stability of the telescopic assembly 41. The anti-slip function of the lower telescopic unit shell 413 is realized by arranging an anti-slip silica gel pad (not shown) on the lower telescopic unit shell 413.

In this embodiment, the handle 42 includes handle bottom shell 421 and handle face shell 422, form power supply accommodation space 423 in the middle part after handle bottom shell 421 and handle face shell 422 enclose and close, form spliced pole 424 in handle 42 bottom, form connector link 425 at handle 42 top, power supply assembly 3 sets up in power supply accommodation space 423, spliced pole 424 and the adaptation of connecting groove 415 size, connector link 425 and fan main part 2 joint. Through setting up power supply unit 3 in power supply accommodation space 423, realized the protection to power supply unit 3, the setting of spliced pole 424 makes things convenient for handle 42 and telescopic component 41 to be connected, spliced pole 424 and the big or small adaptation of connecting groove 415, has guaranteed the stability that handle 42 and telescopic component 41 are connected, and the setting of connector link 425 makes things convenient for being connected of handle 42 and fan main part 2.

In this embodiment, the longitudinal cross section of the telescopic group 412 is wavy, the telescopic group 412 is foldable at the wave-shaped wave crests 426 and wave troughs 427, the connecting column 424 and the connecting groove 415 are provided with matched thread groups 428, and the connecting column 424 and the connecting groove 415 are detachably connected through the thread groups 428. The folding of the telescopic group 412 at the wave-shaped wave crests 426 and wave troughs 427 realizes the stretching and shrinking functions of the telescopic group 412, and the arrangement of the thread groups 428 matched with the connecting posts 424 and the connecting slots 415 realizes the stable connection of the handle 42 and the telescopic assembly 41 and also realizes the detachable function of the handle 42 and the telescopic assembly 41.

In this embodiment, the power supply module 3 includes a battery 31, a PCB32, a charging port 33 and a button 34, the button 34 is disposed on the front surface of the handle panel 422, the charging port 33 is disposed on the side wall of the handle panel 422, the battery 31 and the PCB32 are disposed in the power supply accommodating space 423, the battery 31, the button 34 and the charging port 33 are electrically connected to the PCB32, and the PCB32 is electrically connected to the fan main body 2. The power supply of the fan main body 2 is realized through the arrangement of the power supply component 3.

In this embodiment, the fan main body 2 includes a fan bottom case 21, a fan blade assembly 22 and a fan face case 23, the fan face case 23 forms a blade accommodating space 24 in the middle after being detachably connected to the fan bottom case 21, the fan blade assembly 22 is disposed in the blade accommodating space 24, the side surface of the fan bottom case 21 extends outwards to form a connecting pipe 211, and the fan bottom case 21 is detachably connected to the connecting buckle 425 through the connecting pipe 211. The arrangement of the connection tube 211 and the connection of the connection tube 211 to the connection buckle 425 facilitate the connection of the fan main body 2 to the handle 42.

In this embodiment, the connecting buckle 425 includes a clamping column 420 and a clamping groove (not shown), the clamping column 420 is disposed on the bottom shell 421, the clamping groove is disposed on the handle shell 422, the clamping column 420 is matched with the clamping groove, the connecting tube 211 is in a cylindrical structure, the connecting tube 211 extends outwards to form the positioning ring 212, and the clamping column 420 is clamped with the clamping groove after passing through the positioning ring 212. The clamping of the positioning ring is realized by the arrangement of the clamping column 420 and the clamping groove on the connecting buckle 425.

In this embodiment, the connecting buckles 425 are arranged in two sets, the positioning rings 212 are arranged in two sets, and the two sets of connecting buckles 425 are respectively opposite to the two positioning rings 212. The arrangement of the two sets of connecting buckles 425 and the positions of the two sets of connecting buckles 425 opposite to the two positioning rings 212 ensure the stability of the connection between the handle 42 and the fan main body 2.

In this embodiment, the bottom fan case 21 is provided with fixing posts 213, the middle of the fan blade assembly 22 is provided with a mounting groove 221, the fixing posts 213 are fitted into the mounting groove 221, the bottom fan case 21 is provided with a conducting board 214, the conducting board 214 is provided with electric wires (not shown), the PCB32 is electrically connected to the fixing posts 213 through the electric wires in the conducting board 214, when the fixing posts 213 are fixed in the mounting groove 221, the fixing posts 213 are electrically connected to the mounting groove 221, and the mounting groove 221 is electrically connected to the fan blade assembly 22. The fixing posts 213 and the mounting slots 221 are disposed to fix the fan blade assembly 22 on the bottom casing 21 of the fan, and the wires are disposed on the wire guide plate to provide the power supply assembly 3 with power to the fan blade assembly 22.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a handheld tensile fan, its characterized in that, this fan includes fan main part, power supply unit spare and the handheld portion of retractable, power supply unit spare sets up inside handheld portion, handheld portion is connected with the fan main part, power supply unit spare and fan main part electricity are connected.

2. The handheld stretching fan as claimed in claim 1, wherein the handheld portion comprises a telescopic assembly and a handle, the telescopic assembly is detachably connected with one end of the handle, the power supply assembly is arranged in the handle, and the other end of the handle is detachably connected with the fan body.

3. The handheld stretching fan as claimed in claim 2, wherein the stretching assembly comprises a stretching assembly upper shell, a stretching assembly lower shell and a stretching assembly, the stretching assembly lower shell is fixed at the lower part of the stretching assembly, a stretching space is formed in the middle of the stretching assembly after one end of the stretching assembly upper shell is fixed at the upper part of the stretching assembly, a connecting groove is formed at the other end of the stretching assembly upper shell, and the stretching assembly upper shell is detachably connected with the handle through the connecting groove.

4. The handheld stretching fan as claimed in claim 3, wherein the handle comprises a handle bottom shell and a handle face shell, a power supply accommodating space is formed in the middle of the handle bottom shell and the handle face shell after the handle bottom shell and the handle face shell are enclosed, a connecting column is formed at the bottom of the handle, a connecting buckle is formed at the top of the handle, the power supply assembly is arranged in the power supply accommodating space, the connecting column and the connecting groove are matched in size, and the connecting buckle is connected with the fan body in a clamping mode.

5. The handheld stretching fan as claimed in claim 4, wherein the longitudinal cross section of the telescopic group is wave-shaped, the telescopic group is foldable at the wave crest and the wave trough, the connecting column and the connecting groove are provided with matched thread groups, and the connecting column and the connecting groove are detachably connected through the thread groups.

6. The handheld stretching fan of claim 4, wherein the power supply assembly comprises a battery, a PCB, a charging port and a button, the button is disposed on the front surface of the handle panel, the charging port is disposed on the side wall of the handle panel, the battery and the PCB are disposed in the power supply accommodating space, and the battery, the button and the charging port are electrically connected with the PCB, which is electrically connected with the fan main body.

7. The handheld stretching fan as claimed in claim 6, wherein the fan body comprises a bottom fan housing, a fan blade assembly and a fan face housing, the fan face housing forms a blade receiving space in the middle after being detachably connected with the bottom fan housing, the fan blade assembly is disposed in the blade receiving space, the side surface of the bottom fan housing extends outwards to form a connecting pipe, and the bottom fan housing is detachably connected with the connecting buckle through the connecting pipe.

8. The handheld stretching fan as claimed in claim 7, wherein the connecting buckle comprises a locking post and a locking groove, the locking post is disposed on the bottom shell of the handle, the locking groove is disposed on the face shell of the handle, the locking post is matched with the locking groove, the connecting tube is in a cylindrical structure, the connecting tube extends outwards to form a positioning ring, and the locking post passes through the positioning ring and is locked with the locking groove.

9. The handheld stretching fan of claim 8, wherein said connecting links are arranged in two sets, said positioning rings are arranged in two sets, and two sets of connecting links are respectively located opposite to the two positioning rings.

10. The handheld stretching fan as claimed in claim 9, wherein fixing posts are provided in the fan bottom case, a mounting groove is provided in the middle of the fan blade assembly, the fixing posts are fitted into the mounting groove, a wire guide plate is provided on the fan bottom case, electric wires are provided in the wire guide plate, the PCB is electrically connected to the fixing posts through the electric wires in the wire guide plate, when the fixing posts are fixed in the mounting groove, the fixing posts are electrically connected to the mounting groove, and the mounting groove is electrically connected to the fan blade assembly.

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