CN111306080B - Folding hand-held fan - Google Patents

Folding hand-held fan Download PDF

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Publication number
CN111306080B
CN111306080B CN202010028717.2A CN202010028717A CN111306080B CN 111306080 B CN111306080 B CN 111306080B CN 202010028717 A CN202010028717 A CN 202010028717A CN 111306080 B CN111306080 B CN 111306080B
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CN
China
Prior art keywords
fan
motor
seat
casing
hole
Prior art date
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Active
Application number
CN202010028717.2A
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Chinese (zh)
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CN111306080A (en
Inventor
王狄
梁海川
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Guangdong Shunde Kekemai Technology Industry Hatching Co ltd
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Guangdong Shunde Kekemai Technology Industry Hatching Co ltd
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Priority to CN202010028717.2A priority Critical patent/CN111306080B/en
Publication of CN111306080A publication Critical patent/CN111306080A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/08Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F04D25/084Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation hand fans
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/002Details, component parts, or accessories especially adapted for elastic fluid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/26Rotors specially for elastic fluids
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/403Casings; Connections of working fluid especially adapted for elastic fluid pumps
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H02J7/0044Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction specially adapted for holding portable devices containing batteries

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention relates to a folding handheld fan, which comprises a fan body, wherein the fan body comprises a shell, a motor and a fan blade assembly, the motor is arranged in the shell, a rotating shaft of the motor extends out of the shell, the folding handheld fan further comprises an outer cover, an accommodating cavity for accommodating the fan body is arranged on the outer cover, the front side and the upper end of the outer cover corresponding to the accommodating cavity are opened, and the lower end of the shell is in rotary fit with the upper end of the accommodating cavity; the fan blade assembly comprises a connecting seat and two fan blades, wherein the connecting seat is in transmission connection with a rotating shaft of the motor, and the fan blades are annularly and uniformly distributed on the connecting seat by taking the rotating shaft as a center and are in running fit with the connecting seat. The fan blade of the folding handheld fan can be folded and stored, the front face of the fan body can be covered by the overturning outer cover, the fan body is simultaneously embedded into the accommodating cavity of the outer cover, storage of the fan body is achieved, and after storage, the fan blade is not exposed, so that the folding handheld fan is attractive.

Description

Folding hand-held fan
Technical Field
The present invention relates to a hand-held fan, and more particularly, to a folding hand-held fan.
Background
Chinese patent No. CN201821952285.9 discloses a foldable handheld fan in 2019, 7 months and 26 days, comprising a fan frame, a motor, fan blades sleeved outside the output end of the motor, a connecting seat arranged at the lower end of the fan frame, and a handle, wherein the connecting seat comprises a front seat fixedly connected with the fan frame and a rear seat matched and connected with the front seat, an L-shaped connector is arranged in the connecting seat, the end part of the short side of the L-shaped connector is fixedly connected with the upper end of the handle, two sides of the long side of the L-shaped connector are respectively provided with a rotating shaft in a protruding manner, round holes for inserting the two rotating shafts are arranged in the connecting seat, the short side of the L-shaped connector is provided with a clamping protrusion, the inner surface of the front seat is provided with a clamping groove matched and connected with the clamping protrusion, and a baffle plate horizontally arranged is arranged in the rear seat. The fan blade of the structure is in an unfolding state in any state, the fan frame is circular, and the radius of the fan frame is larger than the length of the fan blade, so that the whole volume of the fan blade is in a larger state no matter the fan blade is folded or not, and all parts of the fan blade are exposed, so that the attractive appearance is poor. In addition, because the outer diameter of the handle of the handheld fan is smaller, and because the gravity of the fan frame acts on the handle, when the whole fan is opened, the gravity center of the handheld fan deviates to the outer side of the whole fan, so that the handheld fan cannot be vertically fixed.
Disclosure of Invention
The invention aims to provide a folding handheld fan which is reasonable in structure, small in size after folding and covered by an outer cover.
The purpose of the invention is realized in the following way:
the folding handheld fan comprises a fan body, wherein the fan body comprises a shell, a motor and a fan blade assembly, the motor is arranged in the shell, and a rotating shaft of the motor extends out of the shell; the fan blade assembly comprises a connecting seat and two fan blades, wherein the connecting seat is in transmission connection with a rotating shaft of the motor, and the fan blades are annularly and uniformly distributed on the connecting seat by taking the rotating shaft as a center and are in running fit with the connecting seat.
The aim of the invention can be also solved by adopting the following technical measures:
As a more specific scheme, the casing comprises a front casing and a rear casing, a rotating shaft of the motor extends out from the upper end of the front surface of the front casing, and a concave avoidance surface is arranged on the front surface of the front casing corresponding to the radius area where the fan blades rotate. Making the fan body thinner.
As a further scheme, be equipped with control circuit board and storage battery in the casing, motor and storage battery respectively with control circuit board electric connection, be equipped with control switch and charge mouth on the control circuit board, the preceding shell is equipped with the button that is used for touching control switch, and preceding shell corresponds the charge mouth and is equipped with the hole site.
As a further scheme, a power output port is further arranged on the control circuit board, and the front shell is provided with another hole site corresponding to the power output port. Because the handheld fan is internally provided with the battery, and the power output port is combined, the handheld fan can be used by charging the mobile power supply.
As a further scheme, the control circuit board is also provided with an indicator lamp, and the front shell is provided with a light hole corresponding to the indicator lamp.
As a further scheme, the left side and the right side in the accommodating cavity of the outer cover are provided with pivots, the pivots are provided with central holes, the hole walls are provided with grooves along the axial direction of the central holes, and the periphery of the outer end of each pivot is provided with more than two positioning protrusions; the shell is provided with a pivot hole corresponding to the pivot, the periphery of the shell corresponding to the pivot hole is provided with a positioning groove, the pivot is inserted into the pivot hole, and the positioning protrusion is matched with the positioning groove in a positioning way. When the outer cover and the fan body rotate relatively, the positioning protrusions at different positions are matched with the positioning grooves, so that the fan body rotation angle is positioned. The positioning bulge enters the positioning groove or leaves the positioning groove instantly, and the groove is elastically deformed.
As a further scheme, the lower end of the outer cover is provided with a magnet. So that the hand-held fan can be attracted to the surface of the iron plate through the magnet, thereby freeing the hands and providing convenience for blowing.
As a further scheme, the connecting seat of the fan blade assembly comprises a surface cover, a dismounting switch and a bottom cover, wherein the back surface of the surface cover is provided with a semicircular fixed shaft seat corresponding to the rotating shaft of the motor, the dismounting switch is arranged on the surface cover in a sliding manner, a semicircular movable shaft seat is arranged corresponding to the rotating shaft of the motor, one end of the movable shaft seat faces to the fixed shaft seat and forms a clamping cavity for clamping the rotating shaft together with the fixed shaft seat, and an elastic piece is arranged between the other end of the movable shaft seat and the surface cover; the back of the surface cover is also provided with a positioning column, the root of the fan blade is provided with a connecting sleeve, and the connecting sleeve is sleeved with the positioning column; the bottom cover is provided with a shaft hole corresponding to the clamping cavity, and the rotating shaft penetrates through the shaft hole to be connected with the clamping cavity; the bottom cover is provided with a connecting hole corresponding to the positioning column, and the connecting hole is connected with the positioning column through a screw. By pressing the disassembly switch, the outer diameter of the clamping cavity is increased, the clamping force on the motor rotating shaft is lost, and at the moment, the fan blade assembly can be pulled out of the fan body. Similarly, when the fan blade assembly is connected with the rotating shaft, the dismounting switch is under the action of the elastic piece, so that the movable shaft seat is tightly pressed towards the fixed shaft seat, namely the clamping cavity clamps the rotating shaft.
As a further scheme, the surface cover is provided with a U-shaped outer frame corresponding to the fixed shaft seat, and the fixed shaft seat faces to the bottom of the U-shaped outer frame; the disassembly switch is an injection molding piece, the disassembly switch is arranged in the U-shaped outer frame in a sliding manner, the disassembly switch is provided with a cavity, the cavity is sleeved outside the fixed shaft seat, one end of the cavity, which faces the fixed shaft seat, is a movable shaft seat, the other end of the cavity is a pressing part, the pressing part stretches out of the opening of the U-shaped outer frame, the elastic piece is a corrugated plastic elastic piece, the plastic elastic piece and the disassembly switch are integrally formed, and the plastic elastic piece is located at one end, which faces the bottom of the U-shaped outer frame, of the disassembly switch. The pressing part extends out of the connecting seat, a user can release the clamping force of the clamping cavity by pressing the pressing part, and the connecting seat can be separated from the rotating shaft.
As a further scheme, a soft cushion is arranged between the front end of the motor and the front shell, and the rear end of the motor abuts against the rear shell. The soft cushion can reduce the transmission of motor vibration force, so that the whole machine vibrates less and the holding hand feeling is more comfortable.
As a further scheme, the plastic shrapnel is provided with a left sheet and a right sheet, one end of the plastic shrapnel, which faces the bottom of the U-shaped outer frame, is provided with a base plate, and the base plate is in sliding fit with the U-shaped outer frame. The structure can make the acting force of the movable shaft seat on the fixed shaft seat more uniform.
The beneficial effects of the invention are as follows:
(1) The fan blade of the folding handheld fan can be folded and stored, the front surface of the fan body can be covered by turning the outer cover, the fan body is simultaneously embedded into the accommodating cavity of the outer cover, so that the fan body is stored, the fan blade is not exposed after storage, and the fan is more attractive;
(2) The folding handheld fan is provided with the power output port, and the power output port can output voltage, so that the folding handheld fan can be used as a mobile power supply.
(3) The fan blade component of the folding handheld fan can be detached, and is convenient to clean.
Drawings
Fig. 1 is a schematic view illustrating an open state structure according to an embodiment of the invention.
Fig. 2 is an exploded view of the folded state of the present invention.
Fig. 3 is a schematic view of the folded structure of the present invention.
FIG. 4 is an exploded view of the fan blade assembly of the present invention.
Fig. 5 is a schematic view of another angle structure of fig. 4.
FIG. 6 is a schematic view of a side structure of the fan blade assembly of the present invention.
Fig. 7 is a schematic view of the cross-sectional A-A structure of fig. 6.
Fig. 8 is a schematic view of an end face structure of the folded device of the present invention.
Fig. 9 is a schematic view of the cross-sectional B-B structure of fig. 8.
Fig. 10 is an enlarged schematic view of the structure at C in fig. 9.
FIG. 11 is a schematic view of the structure of the housing according to the present invention.
Fig. 12 is a schematic view illustrating an open state structure according to another embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings and examples:
Referring to fig. 1 to 11, a foldable handheld fan comprises a fan body 2, wherein the fan body 2 comprises a casing, a motor 5 and a fan blade assembly 10, the motor 5 is arranged in the casing, a rotating shaft 51 of the motor 5 extends out of the casing, the foldable handheld fan further comprises a housing 4, the housing 4 is provided with a containing cavity 41 for placing the fan body 2, the front side and the upper end of the housing 4 corresponding to the containing cavity 41 are opened, and the lower end of the casing is in running fit with the upper end of the containing cavity 41; the fan blade assembly 10 comprises a connecting seat and two fan blades 1, wherein the connecting seat is in transmission connection with a rotating shaft 51 of the motor 5, and the fan blades 1 are annularly and uniformly distributed on the connecting seat by taking the rotating shaft 51 as a center and are in running fit with the connecting seat.
The casing comprises a front casing 23 and a rear casing 25, a rotating shaft 51 of the motor 5 extends out from the upper end of the front surface of the front casing 23, and a concave avoidance surface 21 is arranged on the front surface of the front casing 23 corresponding to the radius area where the fan blades 1 rotate.
A soft cushion 24 is arranged between the front end of the motor 5 and the front shell 23, and the rear end of the motor 5 is propped against the rear shell 25. The cushion 24 is a sponge.
The shell is internally provided with a control circuit board 3 and a battery storage 6, the motor 5 and the battery storage 6 are respectively and electrically connected with the control circuit board 3, the control circuit board 3 is provided with a control switch 34 and a charging port 32, the front shell 23 is provided with a button 22 for triggering the control switch 34, and the front shell 23 is provided with a hole site corresponding to the charging port 32.
The control circuit board 3 is also provided with a power output port 31, and the front shell 23 is provided with another hole site corresponding to the power output port 31. The control circuit board 3 is also provided with an indicator lamp 33, and the front shell 23 is provided with a light hole corresponding to the indicator lamp 33. The power output port 31 is a USB socket.
The left side and the right side in the accommodating cavity 41 of the outer cover 4 are provided with a pivot 43, the pivot 43 is provided with a central hole 46, the hole wall is provided with a slot 44 along the axis direction, and the periphery of the outer end of the pivot 43 is provided with more than two positioning protrusions 45; the shell is provided with a pivot hole 27 corresponding to the pivot 43, the periphery of the shell corresponding to the pivot hole 27 is provided with a positioning groove 26, the pivot 43 is inserted into the pivot hole 27, and the positioning protrusion 45 is matched with the positioning groove 26 in a positioning way.
The lower end of the housing 4 is provided with a magnet 42. In particular, the magnet 42 is integrally injection-molded in the lower end of the housing 4. When the housing 4 is not provided with a magnet, as shown in fig. 12.
The connection seat of the fan blade assembly 10 comprises a surface cover 7, a dismounting switch 8 and a bottom cover 9, wherein a semicircular fixed shaft seat 72 is arranged on the back surface of the surface cover 7 corresponding to the rotating shaft 51 of the motor 5, the dismounting switch 8 is arranged on the surface cover 7 in a sliding manner, a semicircular movable shaft seat 83 is arranged corresponding to the rotating shaft 51 of the motor 5, one end of the movable shaft seat 83 faces the fixed shaft seat 72 and forms a clamping cavity for clamping the rotating shaft 51 together with the fixed shaft seat 72, and an elastic piece 82 is arranged between the other end of the movable shaft seat 83 and the surface cover 7; the back of the surface cover 7 is also provided with a positioning column 71, the root of the fan blade 1 is provided with a connecting sleeve 11, and the connecting sleeve 11 is sleeved with the positioning column 71; the bottom cover 9 is provided with a shaft hole 91 corresponding to the clamping cavity, and the rotating shaft 51 passes through the shaft hole 91 to be connected with the clamping cavity; the bottom cover 9 is provided with a connecting hole 92 corresponding to the positioning column 71, and the connecting hole 92 is connected with the positioning column 71 through a screw.
The surface cover 7 is provided with a U-shaped outer frame 73 (a guide groove 74 is formed on the inner side of the U-shaped outer frame 73) corresponding to the fixed shaft seat 72, and the fixed shaft seat 72 faces to the bottom of the U-shaped outer frame 73; the disassembly switch 8 is an injection molding piece, the disassembly switch 8 is arranged in the guide groove 74 of the U-shaped outer frame 73 in a sliding manner, the disassembly switch 8 is provided with a cavity 84, the cavity 84 is sleeved outside the fixed shaft seat 72, one end of the cavity 84, which faces the fixed shaft seat 72, is provided with a movable shaft seat 83, the other end of the cavity 84 is provided with a pressing part 85, the pressing part 85 extends out of the opening 75 of the U-shaped outer frame 73, the elastic piece 82 is a wavy plastic elastic piece, the plastic elastic piece and the disassembly switch 8 are integrally formed, and the plastic elastic piece is positioned at one end, which faces the bottom of the U-shaped outer frame 73, of the disassembly switch 8.
The plastic spring plate is provided with a left piece and a right piece, one end of the plastic spring plate, which faces the bottom of the U-shaped outer frame 73, is provided with a base plate 81, and the base plate 81 is in sliding fit with the U-shaped outer frame 73.
The back of the fixed shaft seat 72 is provided with a reinforcing rib 76.
The back of face lid 7 uses dead axle seat 72 to be the annular equipartition of center and is equipped with two reference column 71, the root of flabellum 1 is equipped with adapter sleeve 11, adapter sleeve 11 cup joints and mutually rotate the cooperation with reference column 71, bottom 9 is equipped with connecting hole 92 corresponding to reference column 71, and connecting hole 92 passes through the screw and is connected with reference column 71.
The bottom cover 9 is further provided with a limiting groove 93 corresponding to the positioning column 71.
The fan blade 1 is made of soft materials so as to prevent skin from being injured by accidental touch.
The principle of rapid disassembly of the fan blade assembly 10 is as follows: pressing the pressing part 85 of the dismounting switch 8, the dismounting switch 8 slides along the guide groove 74 towards the bottom of the U-shaped outer frame 73, so as to drive the movable shaft seat 83 to be separated from the fixed shaft seat 72, the clamping cavity loses the clamping acting force on the rotating shaft 51, at the moment, the elastic piece 82 is compressed, and the fan blade assembly 10 can be pulled away from the rotating shaft 51 and separated from the fan body 2. After the external force of the pressing part 85 is removed, the elastic piece 82 is restored to deform, the dismounting switch 8 is reset, the movable shaft seat 83 is closed towards the direction of the fixed shaft seat 72, and the clamping cavity is clamped again.

Claims (8)

1. The utility model provides a folding handheld fan, includes fan body (2), and fan body (2) include casing, motor (5) and flabellum subassembly (10), and motor (5) set up in the casing, and the pivot (51) of motor (5) stretch out the casing outside, the casing includes preceding shell (23) and backshell (25), and the pivot (51) of motor (5) stretch out from preceding upper end of preceding shell (23), and the preceding radius region that corresponds flabellum (1) of preceding shell (23) is rotatory is equipped with dodges concave surface (21), characterized by, still includes dustcoat (4), dustcoat (4) are equipped with and are used for placing accommodation chamber (41) of fan body (2), and dustcoat (4) correspond accommodation chamber (41) front side and upper end and open, the lower extreme and the accommodation chamber (41) upper end normal running fit of casing; the fan blade assembly (10) comprises a connecting seat and two fan blades (1), wherein the connecting seat is in transmission connection with a rotating shaft (51) of the motor (5), and the fan blades (1) are annularly and uniformly distributed on the connecting seat by taking the rotating shaft (51) as a center and are in rotating fit with the connecting seat;
The connecting seat of the fan blade assembly (10) comprises a surface cover (7), a dismounting switch (8) and a bottom cover (9), wherein a semicircular fixed shaft seat (72) is arranged on the back surface of the surface cover (7) corresponding to a rotating shaft (51) of the motor (5), the dismounting switch (8) is arranged on the surface cover (7) in a sliding mode, a semicircular movable shaft seat (83) is arranged corresponding to the rotating shaft (51) of the motor (5), one end of the movable shaft seat (83) faces the fixed shaft seat (72) and forms a clamping cavity for clamping the rotating shaft (51) together with the fixed shaft seat (72), and an elastic piece (82) is arranged between the other end of the movable shaft seat (83) and the surface cover (7); the back of the surface cover (7) is also provided with a positioning column (71), the root of the fan blade (1) is provided with a connecting sleeve (11), and the connecting sleeve (11) is sleeved with the positioning column (71); the bottom cover (9) is provided with a shaft hole (91) corresponding to the clamping cavity, and the rotating shaft (51) penetrates through the shaft hole (91) to be connected with the clamping cavity; the bottom cover (9) is provided with a connecting hole (92) corresponding to the positioning column (71), and the connecting hole (92) is connected with the positioning column (71) through a screw.
2. The folding handheld fan according to claim 1, wherein a control circuit board (3) and a battery (6) are arranged in the casing, the motor (5) and the battery (6) are respectively and electrically connected with the control circuit board (3), a control switch (34) and a charging port (32) are arranged on the control circuit board (3), the front casing (23) is provided with a button (22) for triggering the control switch (34), and the front casing (23) is provided with a hole site corresponding to the charging port (32).
3. The folding handheld fan according to claim 2, wherein the control circuit board (3) is further provided with a power outlet (31), and the front casing (23) is provided with another hole site corresponding to the power outlet (31).
4. The folding handheld fan according to claim 2, wherein the control circuit board (3) is further provided with an indicator lamp (33), and the front housing (23) is provided with a light hole corresponding to the indicator lamp (33).
5. The folding handheld fan according to claim 1, wherein the housing (4) is provided with a pivot (43) on the left and right sides in the housing cavity (41), the pivot (43) is provided with a central hole (46), the hole wall is provided with a slot (44) along the axial direction, and the periphery of the outer end of the pivot (43) is provided with more than two positioning protrusions (45); the casing is provided with a pivot hole (27) corresponding to the pivot (43), the periphery of the casing corresponding to the pivot hole (27) is provided with a positioning groove (26), the pivot (43) is inserted into the pivot hole (27), and the positioning protrusion (45) is matched with the positioning groove (26) in a positioning way.
6. A folding hand-held fan according to claim 1, characterised in that the lower end of the housing (4) is provided with a magnet (42).
7. The folding handheld fan according to claim 1, wherein the cover (7) is provided with a U-shaped outer frame (73) corresponding to the shaft fixing seat (72), and the shaft fixing seat (72) faces the bottom of the U-shaped outer frame (73); the utility model discloses a dismantlement switch, including U-shaped frame (73) and U-shaped frame (73) are fixed, dismantlement switch (8) are fixed, and cavity (84) cover is outside fixed axle seat (72), and cavity (84) are movable axle seat (83) towards the one end of fixed axle seat (72), and the other end of cavity (84) is pressing part (85), and outside opening (75) of U-shaped frame (73) were stretched out in pressing part (85), elastic component (82) are corrugated plastics shell fragment, plastics shell fragment and dismantlement switch (8) integrated into one piece, and plastics shell fragment is located the one end of dismantlement switch (8) towards U-shaped frame (73) bottom.
8. A folding hand-held fan according to claim 1, characterised in that a soft pad (24) is arranged between the front end of the motor (5) and the front housing (23), the rear end of the motor (5) being in abutment with the rear housing (25).
CN202010028717.2A 2020-01-11 2020-01-11 Folding hand-held fan Active CN111306080B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010028717.2A CN111306080B (en) 2020-01-11 2020-01-11 Folding hand-held fan

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Application Number Priority Date Filing Date Title
CN202010028717.2A CN111306080B (en) 2020-01-11 2020-01-11 Folding hand-held fan

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CN111306080A CN111306080A (en) 2020-06-19
CN111306080B true CN111306080B (en) 2024-09-10

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Publication number Priority date Publication date Assignee Title
CN111997922A (en) * 2020-08-19 2020-11-27 泰州德川绿化养护有限公司 Portable folding small fan
USD1000026S1 (en) * 2021-02-19 2023-09-26 Maximilian Felix Kräßig Fan
CN220869677U (en) * 2023-08-23 2024-04-30 深圳市前海唯利胜网络有限公司 Hand-held fan

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