CN214742197U - Hand-held fan - Google Patents

Abstract

The utility model provides a handheld fan, the main part that link up around including and connect the handle of main part bottom, the front side of main part is equipped with out the fan housing, the rear side of main part is equipped with the air inlet cover, be equipped with the mounting bracket in the main part, the lateral wall of mounting bracket with form the wind channel between the inside wall of main part, installation cavity and back installation cavity before the front side of mounting bracket and rear side are equipped with respectively, the rear end that goes out the fan housing is equipped with the fixed part, the fixed part connect in preceding installation cavity, back installation cavity in-connection has impeller assembly, impeller assembly include the impeller and with the motor that impeller drive is connected, the impeller includes wheel hub and connects a plurality of blades on wheel hub surface, the wind channel that the impeller rotated the production is followed the wind channel blows out the fan housing.

Description

Hand-held fan

Technical Field

The utility model relates to the technical field of daily necessities, in particular to handheld fan.

Background

In hot summer, electric fans, air conditioners and the like are cooling equipment which are most commonly used by people, but the cooling equipment can only be used indoors and cannot be carried about, when people go out or have an open rest, the people can only cool themselves by using fans or natural wind, but the people do not have the natural wind many times and are tired by using the fans. In response to the situation, various handheld fans are available in the market, so that users can blow air to cool by using the handheld fans outdoors. However, the existing handheld fan is complex in internal structure and inconvenient to install.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a compact and easy to assemble's handheld fan inner structure.

The utility model provides a handheld fan, the main part that link up around including and connect the handle of main part bottom, the front side of main part is equipped with out the fan housing, the rear side of main part is equipped with the air inlet cover, be equipped with the mounting bracket in the main part, the lateral wall of mounting bracket with form the wind channel between the inside wall of main part, installation cavity and back installation cavity before the front side of mounting bracket and rear side are equipped with respectively, the rear end that goes out the fan housing is equipped with the fixed part, the fixed part connect in preceding installation cavity, back installation cavity in-connection has impeller assembly, impeller assembly include the impeller and with the motor that impeller drive is connected, the impeller includes wheel hub and connects a plurality of blades on wheel hub surface, the wind channel that the impeller rotated the production is followed the wind channel blows out the fan housing.

In an embodiment, the air outlet cover comprises an air outlet ring, the air outlet ring comprises an inner ring, an outer ring and a plurality of connecting strips which are connected between the inner ring and the outer ring and are arranged at intervals, the fixing part is cylindrical, the front end of the fixing part is connected with the inner ring, and ribs are further arranged on the outer surface of the fixing part, so that when the fixing part is inserted into the front mounting cavity, the ribs are extruded between the fixing part and the inner side wall of the front mounting cavity.

In one embodiment, the impeller is an oblique flow impeller, the hub is in a flaring shape, and one end of the hub close to the air inlet cover is smaller than one end of the hub close to the air outlet cover; the hub is internally provided with a shaft column, the shaft column is provided with a shaft hole, the motor is provided with a driving shaft, the driving shaft is inserted into the shaft hole, and a plurality of reinforcing ribs are further arranged between the shaft column and the inner side wall of the hub.

In an embodiment, be equipped with the division board in the mounting bracket, the division board will spatial separation in the mounting bracket becomes preceding installation cavity with back installation cavity, the division board is located one side of back installation cavity is equipped with the installation axle, the motor install in install epaxial.

In one embodiment, a circuit board and a battery are arranged in the handle, the motor and the battery are respectively electrically connected with the circuit board, the circuit board is located between the main body and the battery, the circuit board and the battery are separated through a partition board, a fixing groove is further formed in the partition board, and the circuit board is clamped in the fixing groove.

In one embodiment, the handheld fan comprises a housing, wherein the housing comprises a first housing and a second housing which are assembled and connected with each other, and the first housing and the second housing form the main body and the handle together after being assembled; one of the butt joint ends of the first shell and the second shell, which are positioned on the handle part, is provided with a clamping part, and the other is provided with a clamping groove, and the clamping part is clamped and matched with the clamping groove.

In an embodiment, an end cover is arranged at one end of the handle far away from the main body, the end cover is connected to the first shell, an inverted buckle is arranged on the inner side wall of the end cover, a wall plate located on the inner side of the end cover is correspondingly arranged on the second shell, a buckling groove is arranged on the wall plate, and the inverted buckle is in buckling fit with the buckling groove.

In an embodiment, the handheld fan further comprises a base, the base is used for inserting the tail end of the handle, so that the handheld fan can stand on a plane, the handle is inclined relative to the plane, and the air outlet of the air outlet housing is inclined upwards.

In one embodiment, a sleeve portion is formed on the base, an insertion groove for inserting the tail end of the handle is formed in the sleeve portion, an opening for communicating the insertion groove with the outside is formed in the side wall of the sleeve portion, the opening penetrates through the top of the sleeve portion, and the opening is used for exposing a hanging rope on the handle.

In one embodiment, a rib is arranged on the groove wall of the insertion groove, so that when the tail end of the handle is inserted into the insertion groove, the rib is squeezed between the groove wall of the insertion groove and the outer side wall of the handle; and/or the presence of a gas in the gas,

the base comprises a face shell and a bottom shell which are assembled and connected with each other, the sleeve portion is formed on the face shell, the bottom shell is buckled at the bottom of the face shell, and a soft rubber pad is further arranged at the bottom of the bottom shell.

To sum up, the utility model provides a handheld fan through set up the mounting bracket in the main part, forms the wind channel between the inside wall of mounting bracket and main part, fixes impeller subassembly and play fan housing respectively in the both sides of mounting bracket for handheld fan inner structure is compact, and easy to assemble. Through setting up the base, the terminal grafting of handle makes handheld fan can stand on a plane on the base, and the handle inclines backward relatively this plane for the air outlet tilt up, thereby convenience of customers is with blowing to the face after putting handheld fan in the desktop. The utility model discloses a handheld fan structure is small and exquisite, lightly easily carries, and inner structure is compact, and the installation of being convenient for easily realizes, and the practicality is strong, is suitable for popularization and application.

Drawings

Fig. 1 is a schematic perspective view of a handheld fan according to the present invention.

Fig. 2 is a side view of the hand held fan of fig. 1.

Fig. 3 is an exploded view of the hand held fan of fig. 1 at an angle.

Fig. 4 is an exploded view of the hand-held wind-park of fig. 1 at another angle.

Fig. 5 is a side sectional view of the hand held fan of fig. 1.

Detailed Description

Before the embodiments are described in detail, it is to be understood that the invention is not limited in its application to the details of construction and the arrangements of components set forth in the following description or illustrated in the drawings. The utility model discloses can be the embodiment that other modes realized. Also, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of "including," "comprising," "having," and the like, herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items. In particular, when "a certain element" is described, the present invention is not limited to the number of the element being one, and may include a plurality of the elements.

As shown in fig. 1 and 2, the present invention provides a handheld fan 10, the handheld fan 10 includes a main body 12, a handle 14 connected to the bottom of the main body 12, and a base 16 connected to the bottom of the handle 14, the handle 14 can be held by a user, and the base 16 can support the handheld fan 10 on a plane to blow air for the user as a vertical fan. The main body 12 is a front-back through structure, an impeller assembly is arranged in the main body 12, an air outlet cover 18 is arranged on the front side of the main body 12, an air inlet cover 20 is arranged on the back side of the main body 12, an air outlet 22 is formed on the air outlet cover 18, an air inlet 24 is formed on the air inlet cover 20 for the impeller assembly to absorb air, and air generated by the operation of the impeller assembly is blown out from the air outlet 22. In the illustrated embodiment, the body 12 is cylindrical.

Referring further to fig. 3-5, the air inlet cover 20 is disposed at the rear port of the main body 12, and preferably, the air inlet cover 20 can be detachably fastened to the rear port of the main body 12 by means of a snap, so as to facilitate assembly and disassembly. The air outlet cover 18 is arranged at a front port of the main body 12, specifically, an installation frame 26 is arranged on one side of the main body 12 close to the air outlet cover 18, the installation frame 26 is cylindrical, and the installation frame 26 is fixedly connected with the inner side wall of the main body 12 through a connection structure, so that the installation frame 26 is fixed relative to the main body 12. And the outer side wall of the mounting frame 26 is spaced apart from the inner side wall of the main body 12, so that an air duct 28 is formed between the outer side wall of the mounting frame 26 and the inner side wall of the main body 12.

The front side of mounting bracket 26 is equipped with preceding installation cavity 30, and the rear end of air-out cover 18 is equipped with fixed part 32, and fixed part 32 connects in preceding installation cavity 30. The rear side of the mounting bracket 26 is provided with a rear mounting cavity 34, and the impeller assembly is connected to the rear mounting cavity 34. In the illustrated embodiment, a divider plate 36 is disposed within the mounting block 26, the divider plate 36 dividing the space within the mounting block 26 into a front mounting cavity 30 on the front side and a rear mounting cavity 34 on the rear side.

The impeller subassembly includes impeller 38 and the motor 40 of being connected with impeller 38 drive, impeller 38 includes wheel hub 42 and evenly connects a plurality of blades 44 at the wheel hub 42 surface at the interval, wheel hub 42 is the open-ended structure of one end closed, the rear end of motor 40 is located the open end of wheel hub 42, the front end of motor 40 is located back installation cavity 34, the one side that division board 36 is located back installation cavity 34 is equipped with installation axle 37, motor 40 installs on installation axle 37, in one embodiment, motor 40 includes stator and rotor, the stator of motor 40 is fixed on installation axle 37, the rotor of motor 40 is fixed in wheel hub 42 and is overlapped outside the stator, it is fixed to make motor 40 relative mounting bracket 26 and main part 12, the wind that impeller 38 rotated the production blows out from the air outlet 22 of air outlet housing 18 through wind channel 28. Preferably, the impeller 38 is a diagonal flow impeller, the hub 42 is flared, and the end of the hub 42 close to the wind inlet cover 20 is smaller than the end of the hub 42 close to the wind outlet cover 18, i.e. the cross section of the end of the hub 42 close to the wind inlet cover 20 is smaller than the cross section of the end of the hub 42 close to the wind outlet cover 18.

More specifically, a shaft column 46 is arranged in the hub 42, optionally, the shaft column 46 is arranged on the inner side of the end wall of the closed end of the hub 42, a shaft hole 48 is arranged on the shaft column 46, the motor 40 is provided with a driving shaft 50, the driving shaft 50 is inserted into the shaft hole 48, and the motor 40 is operated to drive the hub 42 to rotate through the driving shaft 50, so as to drive the impeller 38 to rotate to generate wind. Further, a plurality of reinforcing ribs 52 are disposed between the inner sidewalls of the axle posts 46 and the hub 42 at intervals along the circumferential direction to enhance the structural strength of the hub 42 and the axle posts 46.

In the illustrated embodiment, the air outlet cover 18 includes an air outlet ring 54, the air outlet ring 54 includes an inner ring 56, an outer ring 58 located at a radial outer side of the inner ring 56, and a plurality of connecting bars 60 connected between the inner ring 56 and the outer ring 58 and arranged at regular intervals, and the air outlet 22 is formed in a space between two adjacent connecting bars 60. The fixing portion 32 is cylindrical, the front end of the fixing portion 32 is connected to the inner ring 56, for example, the fixing portion 32 is integrally protruded from the rear side of the inner ring 56, the air outlet ring 54 can be fastened to the front end port of the main body 12 by the fixing portion 56 in a snap-fit manner, and the area between the outer ring 58 and the inner ring 56 corresponds to the position of the air duct 28, so that the air outlet 22 is communicated with the air duct 28.

Preferably, a plurality of ribs 62 are uniformly arranged on the outer surface of the fixing portion 32 at intervals along the circumferential direction, and when the fixing portion 32 is inserted into the front mounting cavity 30, the ribs 62 are squeezed between the fixing portion 32 and the inner side wall of the front mounting cavity 30, so that the air outlet cover 18 is stably connected with the mounting frame 26. Preferably, the rib 62 is provided with a guide slope on a rear end surface thereof to facilitate insertion of the fixing portion 32 into the front mounting cavity 30.

Optionally, the handheld fan 10 includes a housing including a first housing 64 and a second housing 66 assembled to one another to form the main body 12 and the handle 14. Alternatively, the body portion and the handle portion of the first housing 64 are integrally formed, and the body portion and the handle portion of the second housing 66 are integrally formed. One of the abutting ends of the first and second housings 64 and 66 at the handle portion is provided with a retaining portion 68, the other is provided with a retaining groove 70, and the retaining portion 68 is in retaining fit with the retaining groove 70, so that the first and second housings 64 and 66 are in clamping connection.

In the illustrated embodiment, the catch 68 is disposed on the inner edge of the end of the first housing 64 at the abutting end of the handle portion, and the catch slot 70 is disposed on the end of the second housing 66 at the abutting end of the handle portion, such that when the first housing 64 and the second housing 66 are abutted, the catch 68 is retained in the catch slot 70.

In the illustrated embodiment, an end cap 73 is provided at an end of the handle 14 remote from the main body 12, the end cap 73 is connected to the first housing 64, an inverted buckle 69 is provided on the end cap 73, the inverted buckle 69 is provided on an inner side wall of the end cap 73, a wall plate 75 is provided in a port of the second housing 66 at an end of the handle remote from the main body, the wall plate 75 is provided on an inner side of the end cap 73, and a buckle groove 71 which is in snap fit with the inverted buckle 69 is provided on the wall plate 75. When the first housing 64 and the second housing 66 are assembled in a butt joint manner, the wall plate 75 is pressed by the reverse buckle 69 to be elastically deformed and slide in a staggered manner until the reverse buckle 69 is buckled in the buckle groove 71, so that the connection stability between the two housings can be further enhanced, and the two housings are prevented from being separated.

In other embodiments, the end cap 73 may be attached to the second housing 66 and, correspondingly, the wall 75 is disposed within the port of the first housing 64 at the end of the handle portion remote from the body portion.

The handle 14 is provided with a circuit board 72 and a battery (not shown), and the motor 40 and the battery are electrically connected to the circuit board 72, respectively. Preferably, the circuit board 72 is located between the main body 12 and the battery, specifically, a partition 76 is disposed in the handle 14, the partition 76 divides the space in the handle 14 into a first accommodating space and a second accommodating space which are arranged at intervals along the length direction of the handle, and the circuit board 72 and the battery are disposed in the first accommodating space and the second accommodating space respectively. The circuit board 72 and the battery are separated by a partition 76, and the circuit board 72 and the battery are arranged along the length of the handle 14, the circuit board 72 being located on the side closer to the main body 12, and the battery being located on the side farther from the main body 12. Further, a fixing groove 78 is formed on one side of the partition 76 located in the first accommodating space, and the circuit board 72 is held in the fixing groove 78, so that the circuit board 72 is stably connected.

Further, the handheld fan 10 further includes a switch 80, and the switch 80 is electrically connected to the circuit board 72 for controlling the start and stop of the handheld fan 10. The switch button 80 may be disposed on the main body 12 or the handle 14, and in this embodiment, the switch button 80 is disposed on the handle 14 at a position corresponding to the first accommodating space, so as to be conveniently electrically connected to the circuit board 72 and be convenient for a user to operate.

The base 16 is used for inserting the end of the handle 14, so that the handheld fan 10 can stand on a plane, and the handle 14 is inclined relative to the plane, so that the air outlet 22 of the air outlet housing 18 is inclined upwards, and the user can blow air conveniently. For example, when the user stands the handheld fan 10 on a desktop through the base 16 (see fig. 2), the handheld fan 16 is tilted relative to the desktop, so that the air outlet 22 of the air outlet housing 18 is tilted upward, thereby facilitating the user to blow air to cool the face.

More specifically, a sleeve portion 82 is formed on the base 16, the sleeve portion 82 is located at the front end of the base 16, and the top end of the sleeve portion 82 is provided with an insertion groove 84, the sleeve portion 82 is inclined backward relative to the base 16, so that the insertion direction of the insertion groove 84 is also inclined backward relative to the base 16, when the tail end of the handle 14 is inserted into the insertion groove 84, the handle 14 is inclined backward relative to the base 16, and the air outlet 22 of the air outlet cover 18 is inclined upward.

Preferably, a plurality of ribs 86 are circumferentially and uniformly spaced on the groove wall of the insertion groove 84, so that when the end of the handle 14 is inserted into the insertion groove 84, the ribs 86 are squeezed between the groove wall of the insertion groove 84 and the outer side wall of the handle 14, so that the handle 14 is firmly connected with the base 16.

Further, an opening 88 for communicating the insertion groove 84 with the outside is provided on a rear side wall of the sleeve portion 82, and the opening 88 penetrates through a top portion of the sleeve portion 82 to expose a hanging rope (not shown) on the handle 14.

Optionally, the base 16 includes a front shell 90 and a bottom shell 92 that are assembled to each other, such as by a snap-fit connection. The sleeve portion 82 is formed on the face casing 90, the bottom casing 92 is fastened to the bottom of the face casing 90, and a soft rubber pad 94 is disposed at the bottom of the bottom casing 92, so that the standing stability of the handheld fan 10 can be enhanced, and the handheld fan has an anti-slip function.

To sum up, the utility model provides a handheld fan through set up the mounting bracket in the main part, forms the wind channel between the inside wall of mounting bracket and main part, fixes impeller subassembly and play fan housing respectively in the both sides of mounting bracket for handheld fan inner structure is compact, and easy to assemble. Through setting up the base, the terminal grafting of handle makes handheld fan can stand on a plane on the base, and the handle inclines backward relatively this plane for the air outlet tilt up, thereby convenience of customers bloies. The utility model discloses a handheld fan structure is small and exquisite, lightly easily carries, and inner structure is compact, and the installation of being convenient for easily realizes, and the practicality is strong, is suitable for popularization and application.

The concepts described herein may be embodied in other forms without departing from the spirit or characteristics thereof. The particular embodiments disclosed should be considered illustrative rather than limiting. The scope of the invention is, therefore, indicated by the appended claims rather than by the foregoing description. Any changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims (10)

1. The utility model provides a handheld fan, its characterized in that, the main part that link up around including and connect the handle of main part bottom, the front side of main part is equipped with out the fan housing, the rear side of main part is equipped with the air inlet cover, be equipped with the mounting bracket in the main part, the lateral wall of mounting bracket with form the wind channel between the inside wall of main part, installation cavity and back installation cavity before the front side of mounting bracket and rear side are equipped with respectively, the rear end that goes out the fan housing is equipped with the fixed part, the fixed part connect in the preceding installation cavity, back installation cavity in-connection has impeller assembly, impeller assembly include the impeller and with the motor that impeller drive is connected, the impeller includes wheel hub and connects a plurality of blades on wheel hub surface, the wind channel that the impeller rotation produced is followed the wind channel blows out the fan housing.

2. The handheld fan as claimed in claim 1, wherein the outlet housing includes an outlet ring, the outlet ring includes an inner ring, an outer ring and a plurality of connecting strips connected between the inner ring and the outer ring and arranged at intervals, the fixing portion is cylindrical, a front end of the fixing portion is connected to the inner ring, and a rib is further disposed on an outer surface of the fixing portion, so that when the fixing portion is inserted into the front mounting cavity, the rib is compressed between the fixing portion and an inner sidewall of the front mounting cavity.

3. The hand-held fan of claim 1, wherein the impeller is a diagonal flow impeller, the hub is flared, and an end of the hub adjacent to the inlet cowl is smaller than an end of the hub adjacent to the outlet cowl; the hub is internally provided with a shaft column, the shaft column is provided with a shaft hole, the motor is provided with a driving shaft, the driving shaft is inserted into the shaft hole, and a plurality of reinforcing ribs are further arranged between the shaft column and the inner side wall of the hub.

4. The handheld fan of claim 1 or 3, wherein a partition plate is disposed in the mounting frame, the partition plate divides a space in the mounting frame into the front mounting cavity and the rear mounting cavity, a mounting shaft is disposed on one side of the partition plate located in the rear mounting cavity, and the motor is mounted on the mounting shaft.

5. The hand-held fan as claimed in claim 1 or 3, wherein a circuit board and a battery are provided in the handle, the motor and the battery are electrically connected to the circuit board, respectively, the circuit board is located between the main body and the battery, the circuit board and the battery are separated by a partition plate, and a fixing groove is provided on the partition plate, and the circuit board is held in the fixing groove.

6. The hand-held fan of claim 1, wherein the hand-held fan comprises a housing comprising a first housing and a second housing assembled to each other, the first housing and the second housing together forming the main body and the handle when assembled; one of the butt joint ends of the first shell and the second shell, which are positioned on the handle part, is provided with a clamping part, and the other is provided with a clamping groove, and the clamping part is clamped and matched with the clamping groove.

7. The handheld fan as claimed in claim 6, wherein an end cap is provided at an end of the handle away from the main body, the end cap is connected to the first casing, an inverted buckle is provided on an inner side wall of the end cap, the second casing is correspondingly provided with a wall plate located at an inner side of the end cap, a buckling groove is provided on the wall plate, and the inverted buckle is buckled with the buckling groove.

8. The handheld fan of claim 1, further comprising a base, wherein the base is configured to receive a distal end of the handle, such that the handheld fan can stand on a plane, and the handle is inclined with respect to the plane, such that the outlet of the outlet housing is inclined upward.

9. The handheld fan as claimed in claim 8, wherein a sleeve portion is formed on the base, a plug-in groove for the insertion of the handle end is formed in the sleeve portion, an opening for communicating the plug-in groove with the outside is formed on a side wall of the sleeve portion, the opening penetrates through a top of the sleeve portion, and the opening is used for exposing a hanging rope on the handle.

10. The hand-held fan of claim 9 wherein a rib is provided on a wall of the slot such that when the end of the handle is inserted into the slot, the rib is compressed between the wall of the slot and an outer sidewall of the handle; and/or the presence of a gas in the gas,

the base comprises a face shell and a bottom shell which are assembled and connected with each other, the sleeve portion is formed on the face shell, the bottom shell is buckled at the bottom of the face shell, and a soft rubber pad is further arranged at the bottom of the bottom shell.

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