WO2017118276A1

WO2017118276A1 - Backpack air blower

Info

Publication number: WO2017118276A1
Application number: PCT/CN2016/110926
Authority: WO
Inventors: 沈波
Original assignee: 宁波动一电器有限公司
Priority date: 2016-01-07
Filing date: 2016-12-20
Publication date: 2017-07-13
Also published as: CN105485033B; CN105485033A

Abstract

Disclosed is a backpack air blower, wherein same is related to the technical field of garden tools. The backpack air blower comprises a mounting base (3) with a wearing part (4), an air blower body (1) and a power supply module (2), wherein the air blower body (1) is connected with the mounting base (3) in a detachable manner; the power supply module (2) is connected with the mounting base (3) in a detachable manner; and the power supply module (2) is connected with the air blower body (1) in a detachable manner. The present backpack air blower is convenient and comfortable to use, and has a plurality of functions.

Description

Backpack hair dryer

Technical field:

The invention relates to the technical field of garden tools, in particular to a backpack hair dryer.

Background technique:

Garden tools Hair dryers are mainly used to blow away fallen leaves, road dust, water, snow and forest fires.

Some of the prior art hair dryers are hand-held. In use, the user is required to carry the handle on the hair dryer all the time, and the other hand holds the air outlet pipe of the hair dryer, so that the user's arm is sour and used when used. For a short period of time, the hair dryer needs to be put down for rest, which is not very convenient to use, and the user's comfort is low; the prior art hair dryer is also part of a backpack type, although the user does not need to carry the hair dryer. However, this can only be used as a backpack hair dryer, and the function is relatively simple; and the prior art also has a backpack battery pack, that is, the battery assembly is fixed to the backpack frame, but the prior art hair dryer cannot be installed to the backpack battery. It is used on the package, so it does not solve the defect that the user is inconvenient to use, and the backpack battery pack can only be used as a backup power source, and the function is relatively simple.

Summary of the invention:

The technical problem to be solved by the present invention is to provide a backpack hair dryer that is convenient, comfortable, and versatile.

The technical solution adopted by the present invention is: a backpack hair dryer comprising a mounting seat with a wearing component, a hair dryer body and a power supply module, the hair dryer body being detachably connected to the mounting seat, and the power supply module and the mounting seat are The disconnected connection is provided, and the power supply module is detachably connected to the blower body.

Compared with the prior art, the present invention has the following advantages: since the mount, the blower body and the power supply module are detachably connected to each other, a plurality of assembly manners can be formed. First, the power supply module is mounted to The seat is mounted on the mount, and the blower body is also mounted on the mount, so that the actual product is a backpack-type blower; the two power supply modules are mounted to the blower body, but the blower body is not mounted to the mount, so that the actual product is a handheld type The hair dryer is installed on the mount, but the blower body is not mounted on the mount, so that the actual product is a backpack battery pack; therefore, the assembly method of the present invention is various, and each assembly method corresponds to A product with different functions makes the product of the invention itself have various functions, that is, products with different functions can be obtained by different assembly methods according to different needs of the user, thereby making the user convenient and comfortable to use.

Preferably, the blower body is inserted into the mounting seat, and a locking mechanism is further disposed therebetween; the power supply module is plugged into the mounting seat; the power supply module is plugged and electrically connected to the blower body, and The power supply module is a battery pack. All three are connected by plugging, so the structure is relatively simple, and easy to disassemble, and in the body of the hair dryer and the mount The locking mechanism is arranged, so that the hair dryer body is mounted to the mounting seat and then locked by the locking mechanism, the fastening degree is high, and the power supply module is set as a battery pack, so that the adaptability is high, and the utility model can be used in other electric tools. The battery pack is used only with a small amount of changes, so the cost is also low.

Preferably, the power supply module is provided with a first plug connector, the blower body is provided with a first plug socket, and the mount is provided with a second plug connector and a second plug socket, the first The plug connector is matched with the first plug socket and the second socket, the second plug connector is matched with the first plug socket, and the second plug connector and the second socket are electrically connected by wires . In this way, it is very convenient to set the battery pack, the hair dryer body and the mounting seat, and it can be conveniently combined into products with different functions.

Preferably, the backpack hair dryer further includes an electrical connection line, and one end of the electrical connection line is provided with a third socket that is plugged and electrically connected to the second plug connector, and the other end of the electrical connection line is provided for plugging The electric power in the power supply module plugged into the second plug connector is further supplied to the third plug connector of the different power tool on the different power tools, and the third plug connector is detachably connected to the connecting cable. In this way, the backpack battery pack can be adapted to more different kinds of power tools by the components of the electrical connection line, the third socket and the third plug connector, so that the application is more suitable and when not When the backpack battery pack is needed, the third socket can be easily pulled out from the second plug connector, which is convenient to disassemble and is convenient for users to use.

Preferably, the backpack hair dryer further comprises a base disposed on one side of the mounting seat and adjustably connected to the mounting seat, the hair dryer body is a hand-held hair dryer, and the hand-held hair dryer is inserted on the base, the mounting seat On the other side there is also a counterweight that is detachably connected to the mount. With this structure, the hand-held hair dryer which is common in the prior art market can be directly used as the hair dryer body, which can greatly reduce the production cost, and only needs a little adaptation change at the bottom of the prior art hand-held hair dryer, and The base and the mounting seat are adjustablely connected, so that the user can adjust the up and down or left and right according to the user's needs, the user is more convenient and comfortable to use, and the weight is arranged on the other side of the mounting seat, so that when the user backs the mounting seat, Is the weight on both sides balanced? The user is comfortable to carry.

Preferably, the hair dryer body comprises a casing, an air outlet tube disposed outside the casing, a air cylinder assembly disposed in the casing, a fan disposed in the air cylinder assembly, and being disposed on the air outlet pipe and electrically connected to the fan A connected control handle that is detachably attached to the mount. A control handle is arranged on the air outlet pipe, so that the user does not need to control the opening and closing of the hair dryer and the parameter setting on the back cover, which makes the user more convenient and comfortable to operate.

Preferably, the fan comprises a motor and a fan blade, the air cylinder component comprises a wind pipe and an upper air pipe, a first support member is disposed in the air cylinder, and a second support member is disposed in the air duct. The first support member and the second support member are combined to form a cavity for accommodating the motor, the motor is disposed in the cavity, and the first support member is provided with an air inlet for the wind to flow into the cavity. a hole, the second support member is provided with an air outlet hole for the wind to flow out. This setting allows the wind to blow from the motor and thus To effectively cool the motor.

Preferably, the first support member comprises a first annular sleeve, a cover disposed at one end of the first annular sleeve, and a first air guiding piece circumferentially evenly disposed between the first annular sleeve and the air cylinder, The air inlet holes are evenly disposed on the circumference of the cover, the first annular sleeve is integrally formed with the cover, and at least one of the first air guide sheets is provided with a passage through which the power supply wires pass; the second support member includes a second annular sleeve, a flow guiding sleeve covering one end of the second annular sleeve, and a second air guiding piece circumferentially evenly disposed between the second annular sleeve and the upper air duct, the guiding sleeve being adjacent to the second annular sleeve The cross-sectional area of the side is larger than the cross-sectional area of the side away from the second annular sleeve, and the circumferential direction of the air outlet hole is uniformly disposed on the circumference of the second annular sleeve, and the position of the air outlet hole is close to the position of the motor coil. The guide sleeve is arranged to better guide the wind; and the air inlet hole is arranged on the cover, and the air outlet hole is arranged on the circumference of the second annular sleeve close to the coil position, so that the wind can pass the motor better. Then, the heat dissipation effect of the motor is better; and the passage of the power supply wire is provided in the first air guiding piece, so that the motor wire directly extends from the channel in the first air guiding piece without needing In the air duct of the air duct assembly, the reliability of the motor wire is increased and the wind resistance is reduced.

Preferably, the air outlet tube is provided with a receiving cavity through which the conductive wire passes, and the control handle is electrically connected to the fan through the conductive wire. The arrangement can make the conductive wire not disposed in the air outlet pipe, reduce the wind resistance of the air outlet pipe, and can also better protect the conductive wire, so that the reliability of the conductive wire is high.

Preferably, the air outlet pipe is detachably connected with the extension pipe, and the air outlet pipe or the extension pipe is used for the air outlet end and the protective sleeve is detachably connected. An extension tube is provided, so that the extension tube can be added according to the user's needs, so that the air blowing effect is better, the user is more convenient and comfortable to use, and a protective sleeve is provided at one end of the air outlet, because the hair dryer needs to blow the leaves on the ground, so the wind is blown out. The end of the pipe or the extension pipe for the air outlet is easy to touch the ground, so that the air outlet pipe or the extension pipe is easily damaged at the end of the air outlet, so a protective cover is arranged at the outlet end of the air outlet pipe or the extension pipe. This can effectively protect the air duct or extension tube and increase the service life of the hair dryer.

BRIEF DESCRIPTION OF THE DRAWINGS:

1 is a schematic overall view of a first embodiment of a backpack hair dryer according to the present invention.

2 is a schematic exploded view of a first embodiment of a backpack hair dryer according to the present invention.

Figure 3 is a half cross-sectional view showing a first embodiment of the backpack hair dryer of the present invention.

4 is a schematic overall view of a second embodiment of a backpack hair dryer according to the present invention.

FIG. 5 is a schematic exploded view of a second embodiment of a backpack hair dryer according to the present invention.

FIG. 6 is a schematic overall view of a third embodiment of a backpack hair dryer according to the present invention.

Figure 7 is a cross-sectional view of the air cylinder assembly of the backpack hair dryer of the present invention.

Figure 8 is a schematic view showing the structure of the air cylinder of the backpack hair dryer of the present invention.

Figure 9 is a schematic view showing the structure of the upper air duct of the backpack hair dryer of the present invention.

As shown in the figure: 1, hair dryer body; 2, power supply module; 3, mounting seat; 4, wearing parts; 5, chassis; 6, air duct; 7, fan; 8, control handle; 10, extension tube; 11, handle; 12, protective sleeve; 13, locking mechanism; 14, recess; 15, cooling through hole; 16, display module; 17, air inlet; 18, base; Component; 20, motor; 21, wind blade; 22, air cylinder; 23, upper air duct; 24, first support member; 25, second support member; 26, air inlet hole; 27, air outlet hole; The first annular sleeve; 29, the cover; 30, the first air guiding piece; 31, the passage; 32, the second annular sleeve; 33, the guiding sleeve; 34, the second air guiding sheet.

detailed description:

The invention is further described below in conjunction with the drawings and specific embodiments, but the invention is not limited to the specific embodiments.

Embodiment 1 As shown in FIG. 1 , FIG. 2 and FIG. 3 , the mounting seat 3 is an L-shaped mounting seat, and the mounting seat 3 is provided with a wearing part 4 , which is for the user to wear or wear. The components on the body can be a single shoulder strap, a double shoulder strap or a waist belt. In this embodiment, a double shoulder strap is used, so that the user can conveniently carry it back and use it comfortably and conveniently. The mounting base 3 includes a bottom plate and a side plate. The bottom plate and the side plate are not marked in the figure, and the side of the side plate for the user to abut is a concave curved surface, so that the user has a high comfort when leaning back. The casing 5 of the blower body 1 is inserted into the mounting base 3, and may be inserted into the bottom plate or the side plate. The plug mainly refers to the plug connector on the mounting base 3. The socket 5 is provided with a socket for inserting the plug connector, and the position of the plug connector and the socket is also interchangeable, that is, the socket 3 is provided with a socket, and the casing 5 is provided with a plug connector. After the two are plugged in, the casing is locked on the mounting seat 3 by the locking mechanism 13, and the locking mechanism may be disposed on the casing 5 or may be disposed on the mounting seat 3, and the locking The mechanism 13 can be a snap structure, or a spring piece plus a compression spring, or a protrusion and a fit between the grooves. The power supply module 2 is at least one battery pack. The specific embodiment is two battery packs. The battery pack is a detachable battery pack on a common garden tool, which is respectively disposed on both sides of the casing 5, but the battery pack is firstly Plugged into the mounting base 3, it can be plugged into the bottom plate, or can be plugged into the upper side plate, which can be horizontally inserted or vertically inserted, and the two sides of the casing 5 are provided for accommodating two The recess 14 of the battery pack, and after the blower body 1 and the battery pack are mounted on the mount 3, the battery pack is electrically connected to the blower body 1, that is, the battery pack can be simultaneously inserted into the mount 3 and the casing 5 And the battery pack is electrically connected to the blower after being inserted into the casing 5, or the battery pack is inserted into the mount 3, but is not plugged into the casing 5, but the blower body 1 is inserted into the mount 3, so that the portion of the mount 3 for the battery pack to be inserted is electrically connected to the portion to which the casing 5 is inserted. a heat dissipation through hole 15 is arranged on the bottom plate The hot-through hole 15 is mainly disposed on the bottom plate corresponding to the position of the battery pack, and the handle 5 is further provided with a handle 11 which is detachably connected to the upper end surface of the casing 5, the most Preferably, it is inserted into the upper end surface of the casing 5, so that it is more convenient to install and disassemble the blower body 1; the air casing 6 is connected to one end of the casing 5, and the air inlet 17 is provided at the other end. The air duct 6 is an L-shaped air outlet duct, and the air outlet duct 6 may be rotatably connected to the casing 5, or a spring tube or a hose may be connected to the connecting portion of the air duct 6 and the casing 5, so that the wind can be adjusted. The air outlet direction of the pipe 6; and the extension pipe 10 is detachably connected to the air outlet pipe 6, which may be provided as needed, may not be provided, or may be provided in plurality; and the air outlet pipe 6 or the extension pipe 10 A protective sleeve 12 can also be disposed on one end of the wind. The protective sleeve 12 is fastened to the air outlet tube 6 or the extension tube 10, and a control handle 8 is disposed on the air outlet tube 6, and the control handle 8 is connected to the fan 7 in the blower body 1. The electrical connection is mainly to control various parameters of the fan 7, so that the user can control more conveniently. The control handle 8 is provided with an upper trigger and a lower trigger. The fan will be activated only when both the upper trigger and the lower trigger are buckled, so that the safety hazard is low, and the control handle 8 is also provided with a speed button, so that when the fan is needed When the maximum is adjusted, it is not necessary to adjust the speed gradually, but the speed button can be directly pressed to make the fan 7 reach the maximum speed, and the control handle 8 is further provided with a display module 16 for displaying various parameters of the hair dryer; The outlet duct 6 is provided with a receiving cavity 9 through which the connecting line is received, so that the connecting line between the control handle 8 and the fan 7 can be disposed in the receiving slot 9 , and the specific embodiment is directly in the air outlet. An accommodating cover is externally bonded to the tube 6, and the accommodating cover and the outer wall of the air outlet tube 6 form an accommodating cavity 9, and the connecting line connects the control handle 8 and the fan 7 through the accommodating cavity 9. However, the hood can also be formed integrally with the outlet duct 6. In this specific embodiment, when the battery pack and the blower body 1 are both mounted on the mount 3, this can be used as a backpack blower; the blower body 1 is detached from the mount 3, but the battery pack is inserted into the mount 3 And further, a connection wire for electrically connecting the battery pack and a plug connector for connecting to another power tool for supplying power in the battery pack to other power tools, and the setting can be used as a backpack battery. The bag is used; and since the handle 11 is provided on the body of the blower, the user can directly remove the blower body 1 and then insert the battery pack onto the blower body 1, and it is also possible to use it as a hand-held hair dryer.

Embodiment 2: As shown in FIG. 4 and FIG. 5, the hair dryer body 1 is a hand-held hair dryer, which is a hand-held hair dryer which can be purchased in the prior art, and then the bottom of the hand-held hair dryer is processed. Therefore, it can be detachably mounted on a base 18, preferably a hand-held hair dryer is inserted on the base 18, the base 18 is disposed on one side of the mounting seat 3, and the other side of the mounting seat 3 is provided with a weight. The weight is not shown in the figure, and the base 18 and the mount 3 are adjustable connections, and the adjustable connection means that the base 18 can be horizontally adjusted after being connected to the mount 3, the level adjustment It means that one side of the mounting seat 3 is provided with a horizontal sliding slot, and the base 18 can slide in the horizontal sliding slot. When the sliding rail is in a proper position, the base 18 can be locked by a locking mechanism; or it can be vertically adjusted. The vertical adjustment means that one side of the mounting seat 3 is provided with a vertical sliding slot, and the base 18 can slide in the vertical sliding slot, and after sliding to a suitable position, the vertical passage can be passed through The locking mechanism locks the base 18, the hand-held hair dryer is provided with a detachable battery pack, and the control handle 8 is integrally formed on the casing 5 of the hand-held hair dryer, which is directly available for purchase. Hand-held hair dryer, but for the convenience of the user, the control handle 8 can be made detachable, that is, it can be removed from the casing 5, or a control handle mount can be arranged on the air outlet pipe 6, which can be The removed control handle 8 is mounted to the air outlet tube 6, and a receiving cover can also be provided. The receiving cover is detachably connected to the air outlet tube 6. When the control handle 8 needs to be moved, the control handle is 8 will bring out the cable, so you can install the hood to cover the cable. In the second embodiment, some small adaptability changes can be made to the bottom of the hand-held hair dryer commercially available in the prior art, so that only the bottom of the casing 5 is required for the production line improvement of the original manufacturer of the hand-held hair dryer. Make a modification so that the case 5 can be inserted into the base 18, and the others can be re-produced separately, which has less influence on the original production line, and then the original hand-held hair dryer can be mounted on the base 18, and then The base 18 is mounted to the mount 3 so that it can be used as a backpack blower; when the hand-held blower is removed from the base 18, it can still be used as a hand-held blower. And a socket for the battery pack on the hand-held hair dryer is installed on the mount 3, so that the battery pack can be removed from the hand-held blower, then mounted on the mount 3, and then set. A connector for electrically connecting the battery pack and a plug connector for connecting to the other power tool for plugging the power in the battery pack to other power tools, the set can also be used as a backpack battery pack.

The third embodiment, as shown in FIG. 6, also includes a mounting base 3, a power supply module 2, and a blower body 1. The blower body 1 also includes a casing 5 and a blow pipe 6 connected to the casing 5, The air outlet pipe is an L-shaped air outlet pipe, and the air outlet pipe 6 is also provided with a control handle 8 , the power supply module 2 is a plurality of battery packs, and a plurality of battery packs are respectively provided with a first plug connector. The first plug connector is disposed on either side of the battery pack. The blower body 1 is provided with a first plug socket, and the mount has a second plug connector and a second plug socket. The first plug connector is matched with the first plug socket and the second socket, the second plug connector is matched with the first plug socket, and the second plug connector and the second socket are passed between Electrical connection of wires;

If the first plug connector on the battery pack is replaced with the first plug connector, the first plug connector on the blower body 1 needs to be replaced with a first plug connector, and the second plug connector and the second connector are also provided on the mount 3 a socket, but the first socket is matched with the first socket and the second socket, and the first socket is matched with the second socket, and between the second socket and the second socket Electrically connected by wires;

Moreover, the first plug connector is disposed on the battery pack, the first plug socket is disposed on the mount 3, and the second plug connector and the second plug connector are disposed on the blower body 1, the first plug connector and the first plug connector The socket and the second socket are matched, and the first socket is plugged and electrically connected to the second socket, and the first socket is matched with the second socket;

It is also possible to provide a first socket on the battery pack, a first plug connector on the mount 3, and a blower body 1 a second plug connector and a second plug socket, the first plug socket is matched with the first plug connector and the second plug connector, and the first plug connector is plugged and electrically connected to the second plug connector, and The first plug connector is matched with the second plug socket;

In the first two cases, when the hair dryer body 1 is inserted into the mount 3, the battery pack also needs to be plugged into the mount 3, so that the amount of electricity on the battery pack is guided to the blower body 1 through the wire, and then the blower body 1 is Power supply, this is equivalent to a backpack-type hair dryer; when the hair dryer body is unplugged from the mount 3, the battery pack is inserted into the blower body 1, which is equivalent to a hand-held hair dryer; when the blower body 1 is pulled from the mount 3 When the battery pack is inserted into the mount 3, and then an additional conductive mechanism is provided, the conductive mechanism may be an electrical connection between the two ends of the third socket and the third plug connector. Therefore, the electric energy on the battery pack can be guided to other different power tools, which is equivalent to the backpack battery pack.

In the latter two, when the hair dryer body 1 is inserted into the mounting seat 3, the battery pack needs to be plugged into the hair dryer body 1 to supply power to the hair dryer, which is equivalent to a backpack-type hair dryer; then the hair dryer body directly plugged into the battery pack It can be used as a hand-held hair dryer by detaching from the mount 3; then the battery pack is detached from the blower body 1, and then mounted on the mount 3, and then an additional conductive mechanism is provided, and the conductive mechanism can be It is an electrical connection between the two ends of the third socket and the third socket, so that the electrical energy on the battery pack can be guided to other different power tools, and then it can be used as a backpack battery pack.

The air cylinder assembly 19 is disposed in the casing 5 of the three embodiments. As shown in FIGS. 7, 8, and 9, the fan 7 is disposed in the air cylinder assembly 19, and the fan 7 includes a motor 20 and a fan blade 21. The air cylinder assembly 19 includes a wind cylinder 22 and an upper air duct 23, a first support member 24 is disposed in the air cylinder 22, and a second support member 25 is disposed in the upper air duct 23, the first support The piece 24 is combined with the second support member 25 to form a cavity for accommodating the motor 20, the motor 20 is disposed in the cavity, and the first support member 24 is provided with an air inlet for the wind to flow into the cavity. The hole 26, the second support member 25 is provided with an air outlet hole 27 through which the wind flows out.

The first support member 24 includes a first annular sleeve 28, a cover 29 disposed at one end of the first annular sleeve 28, and a first air guide circumferentially disposed between the first annular sleeve 28 and the air cylinder 22 30, the air inlet hole 26 is evenly disposed on the circumference of the cover 29, the first annular sleeve 28 and the cover 29 are integrally formed, and at least one of the first air guiding sheets 30 is provided with a power supply wire through The second support member 25 includes a second annular sleeve 32, a guide sleeve 33 covering one end of the second annular sleeve 32, and a second circumferentially evenly disposed between the second annular sleeve 32 and the upper air duct 23. The air guiding piece 34 has a cross-sectional area of the side of the guiding sleeve 33 near the second annular sleeve 32 that is larger than a cross-sectional area of the side of the second annular sleeve 32. In other words, the shape of the guiding sleeve 33 is similar to that of the second annular sleeve 32. The shape of the bullet head; and the air outlet hole 27 is circumferentially evenly disposed on the circumference of the second annular sleeve 32, and the position of the air outlet hole 27 is close to the position of the motor coil. The air outlet 27 may also be an air outlet. The second air guiding piece 34 has a long length and cooperates with the first air guiding piece 30 provided with the passage 31 for being disposed in the passage. The motor wires in 31 are pressed tight.

Claims

A backpack hair dryer comprising a mounting seat (3) with a wearing part (4), a hair dryer body (1) and a power supply module (2), characterized in that the hair dryer body (1) and the mounting seat (3) are The detachable connection is provided, and the power supply module (2) is detachably connected to the mount (3), and the power supply module (2) is detachably connected to the blower body (1).
A backpack hair dryer according to claim 1, wherein:

The hair dryer body (1) is inserted into the mounting seat (3), and a locking mechanism (13) is further disposed between the two; the power supply module (2) is inserted into the mounting seat (3); The module (2) is plugged and electrically connected to the blower body (1), and the power supply module (2) is a battery pack.
The backpack hair dryer according to claim 1, wherein the power supply module (2) is provided with a first plug connector, and the blower body (1) is provided with a first socket, the mount ( 3) a second plug connector and a second plug socket are provided, the first plug connector is matched with the first plug socket and the second socket, and the second plug connector is matched with the first socket And the second plug connector and the second plug socket are electrically connected by a wire.
The backpack hair dryer according to claim 3, wherein the backpack hair dryer further comprises an electrical connection line, and one end of the electrical connection line is provided with a third socket that is plugged and electrically connected to the second plug connector. The other end of the electrical connection line is provided with a third plug connector for plugging on different power tools and then feeding the power in the power supply module (2) plugged into the second plug connector to different power tools, and the The three-plug connector is detachably connected to the cable.
The backpack hair dryer according to claim 1, wherein the backpack hair dryer further comprises a base (18) disposed on one side of the mounting seat (3) and adjustably connected to the mounting seat (3), the hair dryer body ( 1) is a hand-held hair dryer, and the hand-held hair dryer is inserted on the base (18), and the other side of the mounting seat (3) is further provided with a weight block detachably connected to the mounting seat (3) .
The backpack hair dryer according to claim 1, wherein the blower body comprises a casing (5), an air outlet pipe (6) disposed outside the casing (5), and is disposed in the casing (5). a air cylinder assembly (19), a fan (7) disposed in the air cylinder assembly (19), and a control handle (8) disposed on the air outlet tube (6) and electrically connected to the fan (7), the casing (5) Removably attached to the mount (3).
The backpack hair dryer according to claim 6, wherein the fan (7) comprises a motor (20) and a fan blade (21), and the air cylinder module (19) comprises a air cylinder (22) and an air duct. (23) a first support member (24) is disposed in the air cylinder (22), and a second support member (25) is disposed in the upper air duct (23), the first support member (24) Combined with the second support member (25) to form a cavity for accommodating the motor (20), the motor (20) is disposed in the cavity, and the first support member (24) is provided with a flow of air The air inlet hole (26) is inserted into the cavity, and the second support member (25) is provided with an air outlet hole (27) for supplying air.
A backpack hair dryer according to claim 7, wherein said first support member (24) comprises a first annular sleeve (28), a cover (29) disposed at one end of the first annular sleeve (28), and a circumference. a first air guiding piece (30) uniformly disposed between the first annular sleeve (28) and the air cylinder (22), the air inlet hole (26) being uniformly disposed on a circumference of the cover (29), The first annular sleeve (28) is integrally formed with the cover (29), and at least one of the first air guiding sheets (30) is provided with a passage (31) through which the power supply wires pass; the second supporting member (25) a second annular sleeve (32), a flow guiding sleeve (33) covering one end of the second annular sleeve (32), and a circumferentially evenly disposed between the second annular sleeve (32) and the upper air duct (23) a second air guiding piece (34), a cross-sectional area of the guiding sleeve (33) adjacent to the second annular sleeve (32) is larger than a cross-sectional area of the side of the second annular sleeve (32), and the The air holes (27) are circumferentially evenly disposed on the circumference of the second annular sleeve (32), and the position of the air outlet holes (27) is close to the position of the coil of the motor (20).
The backpack hair dryer according to claim 6, characterized in that: the outlet duct (6) is provided with a receiving cavity (9) through which the conductive wire passes, and the control handle (8) and the fan (7) Electrically connected by conductive wires.
The backpack hair dryer according to claim 6 or 9, characterized in that: the outlet pipe (6) is detachably connected with an extension pipe (10), and the air outlet pipe (6) or the extension pipe ( 10) A protective cover (12) can be detachably connected to one end of the air outlet.