CN210507266U

CN210507266U - Knapsack formula lithium electricity hair-dryer that amount of wind is adjustable

Info

Publication number: CN210507266U
Application number: CN201920899756.2U
Authority: CN
Inventors: 王亮
Original assignee: Ningbo Liangye Electric Appliances Co ltd
Current assignee: Ningbo Liangye Electric Appliances Co ltd
Priority date: 2019-06-15
Filing date: 2019-06-15
Publication date: 2020-05-12
Anticipated expiration: 2029-06-15

Abstract

The utility model discloses a knapsack formula lithium hair drier that amount of wind is adjustable, blow frame and driving motor including the knapsack formula, driving motor blows on the chamber wall in frame ventilation chamber through backup pad fixed connection, driving motor goes up fixed mounting has flabellum deflection angle adjusting device, flabellum deflection angle adjusting device includes fan hub and screen cloth, the fan hub rotates to be connected on the axle wall of driving motor output shaft, screen cloth fixed mounting is on the chamber wall in frame ventilation chamber is bloied to the knapsack formula, fixed mounting has first bearing on the net wall of screen cloth, fan hub fixed connection is on the inner wall of first bearing, a plurality of second bearings of fixedly connected with on the fan hub wall. The utility model discloses an above-mentioned isotructure's cooperation has realized adjusting flabellum deflection angle, adjusts the effect of amount of wind size.

Description

Knapsack formula lithium electricity hair-dryer that amount of wind is adjustable

Technical Field

The utility model relates to a gardens hair-dryer technical field specifically is a knapsack formula lithium hair-dryer of adjustable amount of wind.

Background

The garden tool blower is mainly used for blowing fallen leaves, road dust, accumulated water, accumulated snow and forest fire extinguishment. A backpack type hair dryer is one of garden hair dryers, which is widely used in such a way that it can be carried on the back of the body. The backpack type hair drier comprises a backpack seat and a hair drier body arranged on the backpack seat, for example, the backpack type garden hair drier disclosed by the Chinese patent CN205276193U is convenient to control, and the device controls the power of the backpack hair drier through a control handle to adjust the air volume. The motor power is certain, so the device is too limited to adjust, the air volume is small, the use is not convenient enough, and the use requirement of the garden tool is difficult to meet. In summary, how to improve the existing garden blower to adjust the air volume by adjusting the deflection angle of the fan blades is a problem to be solved urgently by those skilled in the art.

Disclosure of Invention

An object of the utility model is to provide a knapsack formula lithium hair drier that amount of wind is adjustable possesses and adjusts flabellum deflection angle, adjusts the advantage of amount of wind size, has solved traditional gardens hair drier amount of wind and can only adjust through motor power, the little problem of the amount of wind.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a knapsack formula lithium hair drier that amount of wind is adjustable, includes knapsack formula frame and the driving motor of blowing, driving motor passes through backup pad fixed connection and blows on the chamber wall in frame ventilation chamber in the knapsack formula, last fixed mounting of driving motor has flabellum deflection angle adjusting device.

The fan blade deflection angle adjusting device comprises a fan hub and a screen, the fan hub is rotatably connected to the shaft wall of an output shaft of a driving motor, the screen is fixedly installed on the wall of a ventilation cavity of a backpack type air blowing rack, a first bearing is fixedly installed on the screen wall of the screen, the fan hub is fixedly connected to the inner wall of the first bearing, a plurality of second bearings are fixedly connected to the fan hub wall, an adjusting shaft is fixedly connected to the inner wall of each second bearing, fan blades are fixedly connected to the end face of the adjusting shaft, a first helical gear is fixedly connected to the shaft wall of the adjusting shaft, a second helical gear and a third helical gear are respectively connected to two sides of the first helical gear in a meshed manner, the second helical gear is fixedly connected to the shaft wall of the output shaft of the driving motor, the end face of the output shaft of the driving motor, which is close to the right side, and a rectangular tube is, the third bevel gear is fixedly connected to the pipe wall of the rectangular pipe, one end of a tension spring is fixedly connected to the inner wall of the rectangular pipe, and the other end of the tension spring is fixedly connected to the end face of the output shaft of the driving motor.

Preferably, the fan hub penetrates through the hub wall of the screen and is fixedly connected with a first knob.

Preferably, the rectangular tube penetrates through the tube wall of the fan hub and is fixedly connected with a second knob.

Preferably, the inner wall of the rectangular pipe is tightly attached to a rectangular output shaft of the driving motor.

Preferably, a plurality of said fan blades are distributed along a central annular array of the hub.

Compared with the prior art, the beneficial effects of the utility model are as follows:

first, the utility model discloses a set up first knob and second knob, first knob and second knob are the hexagon structure, have increased the frictional force between operator and fan hub and the rectangular pipe, make its convenient operation more.

Two, the utility model discloses a set up flabellum deflection angle adjusting device, when needs adjust the amount of wind of knapsack formula frame of blowing, when driving motor stall, when holding first knob and fixing fan hub through using one hand, another hand rotates to the outside pulling after holding the second knob, it slides along the tensile extension spring of driving motor output shaft to drive the rectangular pipe, thereby it is connected to make to remove the meshing between third helical gear and the first helical gear, then the output shaft that drives driving motor through the rectangular pipe rotates, thereby when making second helical gear pivoted, it rotates to drive the regulating spindle through driving the first helical gear of being connected rather than the meshing, thereby realize adjusting flabellum deflection angle, adjust the effect of amount of wind size.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a partial side sectional view of the present invention;

fig. 3 is an enlarged view of fig. 2A according to the present invention.

In the figure: the fan comprises a 1-backpack type air blowing frame, a 2-driving motor, a 3-fan blade deflection angle adjusting device, a 4-fan hub, a 5-screen, a 6-first bearing, a 7-second bearing, an 8-adjusting shaft, a 9-fan blade, a 10-first helical gear, a 11-second helical gear, a 12-third helical gear, a 13-rectangular pipe, a 14-tension spring, a 15-first knob and a 16-second knob.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a knapsack formula lithium hair drier with adjustable amount of wind, including knapsack formula frame 1 and driving motor 2 of blowing, driving motor 2 is through backup pad fixed connection on the chamber wall in 1 ventilation chamber of knapsack formula frame, and driving motor 2 is last fixed mounting has flabellum deflection

angle adjusting device

3, and 1 ventilation chamber of knapsack formula frame communicates with each other through flange and blowing pipe way, and driving motor 2 rotates through driving a plurality of flabellums 9, and the output of production wind-force through blowing pipe way is used.

The fan blade deflection angle adjusting device 3 comprises a fan hub 4 and a screen 5, the fan hub 4 is rotatably connected to the shaft wall of the output shaft of the driving motor 2, the screen 5 is fixedly installed on the cavity wall of the ventilation cavity of the backpack type blowing frame 1, a first bearing 6 is fixedly installed on the screen wall of the screen 5, the fan hub 4 is fixedly connected to the inner wall of the first bearing 6, a plurality of second bearings 7 are fixedly connected to the hub wall of the fan hub 4, an adjusting shaft 8 is fixedly connected to the inner wall of the second bearings 7, fan blades 9 are fixedly connected to the end face of the adjusting shaft 8, the fan blades 9 are distributed along the central annular array of the fan hub 4, a first helical gear 10 is fixedly connected to the shaft wall of the adjusting shaft 8, a second helical gear 11 and a third helical gear 12 are respectively engaged and connected to two sides of the first helical gear 10, the second helical gear 11 is fixedly connected to the shaft wall of the output shaft of the driving motor 2, the right side of the output shaft of the driving motor 2 is sleeved with a rectangular pipe 13, the inner wall of the rectangular pipe 13 is tightly attached to the rectangular output shaft of the driving motor 2, a third bevel gear 12 is fixedly connected to the pipe wall of the rectangular pipe 13, the inner wall of the rectangular pipe 13 is fixedly connected with one end of a tension spring 14, the other end of the tension spring 14 is fixedly connected to the end surface of the output shaft of the driving motor 2, a hub wall of the fan hub 4 penetrating out of the screen 5 is fixedly connected with a first knob 15, the pipe wall of the rectangular pipe 13 penetrating out of the fan hub 4 is fixedly connected with a second knob 16, both the first knob 15 and the second knob 16 are of a hexagonal structure, the friction force between an operator and the fan hub 4 and the rectangular pipe 13 is increased, the fan hub 4 is more convenient to operate, through the fan blade deflection angle adjusting device 3, when the air volume of the backpack type air blowing frame 1 needs to be adjusted, when the driving motor 2 stops rotating, one hand, the other hand rotates after being pulled outwards by holding the second knob 16, and drives the rectangular tube 13 to slide along the extension tension spring 14 of the output shaft of the driving motor 2, so that the third bevel gear 12 and the first bevel gear 10 are disengaged from each other and connected, and then the output shaft of the driving motor 2 is driven to rotate through the rectangular tube 13, so that the second bevel gear 11 rotates, and meanwhile, the first bevel gear 10 engaged with the second bevel gear is driven to drive the adjusting shaft 8 to rotate, so that the fan blade deflection angle is adjusted, and the air volume is adjusted.

The working principle is as follows: when the knapsack type lithium electric hair drier with adjustable air volume is used, when the air volume of the knapsack type hair drier rack 1 needs to be adjusted, when the driving motor 2 stops rotating, the first knob 15 is held by one hand to fix the fan hub 4, the second knob 16 is held by the other hand and is pulled outwards to rotate, the rectangular pipe 13 is driven to slide along the stretching tension spring 14 of the output shaft of the driving motor 2, so that the meshing connection between the third bevel gear 12 and the first bevel gear 10 is released, then the output shaft of the driving motor 2 is driven to rotate through the rectangular pipe 13, so that the second bevel gear 11 rotates, the first bevel gear 10 which is meshed with the second bevel gear is driven to drive the adjusting shaft 8 to rotate, and therefore the effect of adjusting the deflection angle of the fan blade and adjusting the air volume is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a knapsack formula lithium hair-dryer that amount of wind is adjustable, includes knapsack formula frame (1) and driving motor (2) of blowing, driving motor (2) are through backup pad fixed connection on the chamber wall in knapsack formula frame (1) ventilation chamber, its characterized in that: a fan blade deflection angle adjusting device (3) is fixedly arranged on the driving motor (2);

the fan blade deflection angle adjusting device (3) comprises a fan hub (4) and a screen (5), the fan hub (4) is rotatably connected to the shaft wall of an output shaft of a driving motor (2), the screen (5) is fixedly installed on the wall of a ventilation cavity of a backpack type air blowing rack (1), a first bearing (6) is fixedly installed on the screen wall of the screen (5), the fan hub (4) is fixedly connected to the inner wall of the first bearing (6), a plurality of second bearings (7) are fixedly connected to the hub wall of the fan hub (4), an adjusting shaft (8) is fixedly connected to the inner wall of each second bearing (7), fan blades (9) are fixedly connected to the end face of each adjusting shaft (8), a first helical gear (10) is fixedly connected to the shaft wall of the adjusting shaft (8), and a second helical gear (11) and a third helical gear (12) are respectively meshed with the two sides of the first helical gear (10), second helical gear (11) fixed connection is on the axle wall of driving motor (2) output shaft, the terminal surface that driving motor (2) output shaft is close to the right side is the rectangle, rectangular pipe (13) have been cup jointed on the right side of driving motor (2) output shaft, third helical gear (12) fixed connection is on the pipe wall of rectangular pipe (13), the inner wall fixedly connected with one end of extension spring (14) of rectangular pipe (13), the other end fixed connection of extension spring (14) is at the terminal surface of driving motor (2) output shaft.

2. The air volume adjustable back-pack type lithium electric hair drier of claim 1, characterized in that: the fan hub (4) penetrates through the hub wall of the screen (5) and is fixedly connected with a first knob (15).

3. The air volume adjustable back-pack type lithium electric hair drier of claim 1, characterized in that: the rectangular pipe (13) penetrates through the pipe wall of the fan hub (4) and is fixedly connected with a second knob (16).

4. The air volume adjustable back-pack type lithium electric hair drier of claim 1, characterized in that: the inner wall of the rectangular pipe (13) is tightly attached to the rectangular output shaft of the driving motor (2).

5. The air volume adjustable back-pack type lithium electric hair drier of claim 1, characterized in that: a plurality of said blades (9) are distributed along a central annular array of the hub (4).