CN215737371U

CN215737371U - Rear cover structure with conveniently detachable blower

Info

Publication number: CN215737371U
Application number: CN202121511160.4U
Authority: CN
Inventors: 应国京; 方志荣; 邹乐; 孔奎奎
Original assignee: Zhejiang Superman Technology Co ltd
Current assignee: Zhejiang Superman Technology Co ltd
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2022-02-08
Anticipated expiration: 2031-07-05

Abstract

The utility model relates to a rear cover structure capable of being conveniently disassembled for a hair drier, which comprises a hair drier shell, wherein two or more than two clamping blocks are fixedly arranged on the hair drier shell, and a plurality of clamping blocks are arranged at equal intervals on the circumference, a rear cover capable of being conveniently disassembled is arranged in the rear cover, the rear cover is fixed through a screw at ordinary times, when the hair drier needs to be disassembled, the rear cover only needs to be screwed off, the rear cover can be taken off by rotating the screw, the subsequent maintenance and cleaning are convenient, the rear cover and an air duct pipe in the hair drier work cooperatively, an air inlet of the rear cover is covered by an air inlet of the air duct pipe, the entering air is ensured to directly enter the air duct pipe, the air inlet efficiency is improved, the efficiency of the hair drier is improved, the wind noise is reduced, the air duct pipe can be supported by the rear cover, the positions of a motor and a fan blade are fixed, the air duct pipe, the motor and the fan blade are also convenient to take out after the rear cover is taken off, the hair drier is convenient for workers to maintain the hair drier after sale, simplify the inner structure, improved the reliability of hair-dryer.

Description

Rear cover structure with conveniently detachable blower

Technical Field

The utility model relates to the field of hair dryers, in particular to a rear cover structure with a hair dryer capable of being conveniently detached.

Background

The hair drier is common household appliance, it is often used for drying the moisture on the hair, the kind of hair drier is many, but the structure is mostly the casing, the handle, a motor, the fan blade, electric heating element, the deep bead, the switch, subassembly such as power cord, the hair drier during operation, it is rotatory to drive the fan blade by motor drive rotor, when the fan blade is rotatory, the air is inhaled from the air intake, the centrifugal air current that from this forms is blown out by dryer front nozzle again, after traditional hair drier uses time, debris such as dust in the air can get into the hair drier inside and pile up on fan blade and filter screen, cause the amount of wind to diminish, and the lid is difficult to demolish behind traditional hair drier, lead to the user can not dismantle clearance back lid and fan blade by oneself, lead to hair drier life to reduce, traditional hair drier back lid simple structure does not have better wind channel design, the noise is great.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rear cover structure of a hair dryer, which is convenient to disassemble and solves the problems.

The utility model realizes the purpose through the following technical scheme: a rear cover structure of a hair dryer capable of being conveniently detached comprises a hair dryer shell, wherein two or more than two clamping blocks are fixedly arranged on the hair dryer shell, a plurality of the clamping blocks are arranged at equal intervals on the circumference, a rear cover is rotatably arranged in the hair dryer shell, two or more than two rear cover protruding ribs are fixedly arranged on the rear cover, a plurality of the rear cover protruding ribs are arranged at equal intervals on the circumference, and the rear cover protruding ribs can be matched with the clamping blocks;

be equipped with the air inlet in the back lid, the air inlet runs through the back lid, be equipped with the shield in the air inlet, the shield is gone up the fixed a plurality of filter screens that are equipped with, and is a plurality of the equidistant range of filter screen circumference, the filter screen is kept away from the one end fixed connection of shield the back lid.

Preferably, the blower housing is provided with a housing screw hole, the housing screw hole penetrates through the blower housing, the rear cover is provided with a rear cover threaded hole, and the position of the rear cover threaded hole corresponds to the position of the housing screw hole.

Preferably, the blower housing and the rear cover may be fixedly connected by the limit screw.

Preferably, an air duct pipe is installed in the blower housing, one end of the air duct pipe is in close contact with the inner wall of the blower housing, the other end of the air duct pipe is in close contact with the rear cover, and the blower housing and the rear cover jointly act to fix the position of the air duct pipe.

Preferably, the air duct pipe is fixedly provided with a motor, and the motor is provided with fan blades.

Preferably, the inner diameter of the air duct pipe close to one end of the rear cover is smaller than the outer diameter of the rear cover, and the inner diameter of the air duct pipe close to one end of the rear cover is larger than the outer diameter of the air inlet.

Preferably, the air duct pipe and the rear cover are in close contact with each other to form an airtight seal therebetween, so that air is prevented from flowing between the air duct pipe and the blower housing, thereby preventing air from flowing back to the air duct and damaging the air duct, thereby generating noise.

Preferably, the air outside the blower shell can only enter the air duct pipe through the air inlet, so that the air duct in the air duct pipe is ensured to be stable, and the air noise is reduced.

Preferably, the fan blade is coaxial with the rear cover, and the dust cover blocks the front cover of the fan blade, so that more dust is prevented from being accumulated on the fan blade, and the service lives of the fan blade and the motor are prolonged.

Preferably, after the limiting screw is removed, the rear cover can be quickly detached after being rotated, so that the rear cover and the fan blades can be conveniently cleaned, the air duct pipe is not propped against the rear cover at the moment, the air duct pipe can be easily taken out, and the motor can be conveniently maintained and replaced.

Preferably, the screen is curved, and the screen provides a good guide for the air flow through the air inlet.

Compared with the prior art, the utility model has the following beneficial effects: the rear cover is internally provided with the rear cover which can be conveniently disassembled, the rear cover is fixed through a screw at ordinary times, when the hair dryer needs to be disassembled, the rear cover can be disassembled only by screwing off the screw and rotating the rear cover, the subsequent maintenance and cleaning are convenient, the rear cover and the air duct pipe in the hair dryer work cooperatively, the air inlet of the rear cover is covered by the air inlet of the air duct pipe, the entering air is ensured to directly enter the air duct pipe, the air inlet efficiency is improved, the efficiency of the hair dryer is improved, the wind noise is reduced, the air duct pipe can be supported by the rear cover, the position of the motor and the position of the fan blade are fixed, the air duct pipe, the motor and the fan blade are also conveniently disassembled after the rear cover is disassembled, the convenience is brought to after-sale maintenance of the hair dryer by workers, the internal structure is simplified, and the reliability of the hair dryer is improved.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the embodiment of the present invention in the direction of A-A in FIG. 1;

FIG. 3 is an enlarged schematic view of the embodiment of the present invention at B in FIG. 2;

FIG. 4 is an enlarged schematic view of the embodiment of the present invention at C in FIG. 2.

Detailed Description

The utility model will be further described with reference to the accompanying drawings in which:

a rear cover structure of a hair dryer capable of being conveniently detached is disclosed, as shown in fig. 1-4, and comprises a hair dryer shell 11, wherein two or more than two clamping blocks 16 are fixedly arranged on the hair dryer shell 11, a plurality of the clamping blocks 16 are circumferentially arranged at equal intervals, a rear cover 20 is rotatably arranged in the hair dryer shell 11, two or more than two rear cover protruding ribs 15 are fixedly arranged on the rear cover 20, a plurality of the rear cover protruding ribs 15 are circumferentially arranged at equal intervals, and the rear cover protruding ribs 15 can be matched with the clamping blocks 16;

be equipped with air inlet 22 in the back lid 20, air inlet 22 runs through back lid 20, be equipped with shield 23 in the air inlet 22, the fixed a plurality of filter screens 21 that are equipped with on shield 23, it is a plurality of the equidistant range of filter screen 21 circumference, filter screen 21 keeps away from shield 23's one end fixed connection back lid 20.

Furthermore, a shell screw hole 18 is formed in the blower shell 11, the shell screw hole 18 penetrates through the blower shell 11, a rear cover threaded hole 19 is formed in the rear cover 20, and the position of the rear cover threaded hole 19 corresponds to the position of the shell screw hole 18.

Further, the blower housing 11 and the rear cover 20 may be fixedly connected by the limit screw 17.

Further, an air duct pipe 12 is installed in the blower housing 11, one end of the air duct pipe 12 is in close contact with the inner wall of the blower housing 11, the other end of the air duct pipe 12 is in close contact with the rear cover 20, and the blower housing 11 and the rear cover 20 jointly act to fix the position of the air duct pipe 12.

Further, a motor 14 is fixedly arranged on the air duct pipe 12, and fan blades 13 are arranged on the motor 14.

Further, the inner diameter of the duct 12 near the end of the rear cover 20 is smaller than the outer diameter of the rear cover 20, and the inner diameter of the duct 12 near the end of the rear cover 20 is larger than the outer diameter of the air inlet 22.

Furthermore, the air duct 12 is tightly and coarsely connected with the rear cover 20, and the air duct 12 is airtight with the rear cover 20, so that air is prevented from flowing between the air duct 12 and the blower housing 11, air backflow is prevented, an air duct is damaged, and noise is generated.

Further, the air outside the blower housing 11 can only enter the air duct pipe 12 through the air inlet 22, so as to ensure the stability of the air duct inside the air duct pipe 12, thereby reducing the wind noise.

Further, the fan blades 13 are coaxial with the rear cover 20, and the dust-proof cover 23 blocks the front cover of the fan blades 13, so that more dust is prevented from being accumulated on the fan blades 13, and the service lives of the fan blades 13 and the motor 14 are prolonged.

Further, after the limiting screw 17 is taken down, the rear cover 20 can be quickly detached after being rotated, so that the rear cover 20 and the fan blades 13 are convenient to clean, the air duct pipe 12 is not supported by the rear cover 20 at the moment, the air duct pipe 12 can be easily taken out, and the motor 14 is convenient to maintain and replace.

Further, the screen 21 is arc-shaped, and the screen 21 has a good guiding effect on the airflow passing through the air inlet 22.

When the hair dryer is used, when the rear cover 20 needs to be detached, the limiting screw 17 is screwed out by a screwdriver, at the moment, the rear cover 20 can rotate in the hair dryer shell 11, the rear cover 20 is rotated, the rear cover 20 drives the plurality of blades 15 to move until all the blades 15 are separated from the fixture blocks 16, at the moment, the rear cover 20 is taken out of the hair dryer shell 11, so that the rear cover 20 is cleaned or replaced, and as the rear cover 20 does not abut against the air duct pipe 12, the air duct pipe 12 can be taken out of the hair dryer shell 11, so that the motor 14 and the fan blades 13 are taken out simultaneously, the cleaning or the replacement of the fan blades 13 are convenient, and the maintenance or the replacement of the motor 14 is convenient; after maintenance or cleaning is completed, the air duct pipe 12 is communicated with the motor 14 and the fan blades 13 to be put back, then the rear cover 20 is placed at the tail of the blower shell 11, the rear cover 20 is rotated and adjusted until the two clamping blocks 16 are clamped into the rear cover protruding ribs 15, the rear cover 20 is abutted against the air duct pipe 12, the air duct pipe 12 is fixed, the shell screw hole 18 is aligned with the rear cover screw hole 19 at the moment, the limiting screw 17 is screwed into the rear cover screw hole 19 through the shell screw hole 18, fixing between the rear cover 20 and the blower shell 11 is completed, and the rear cover 20 is prevented from rotating.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. A rear cover structure of a hair dryer capable of being conveniently detached is characterized by comprising a hair dryer shell, wherein two or more than two clamping blocks are fixedly arranged on the hair dryer shell, a plurality of the clamping blocks are arranged at equal intervals on the circumference, a rear cover is rotationally arranged in the hair dryer shell, two or more than two rear cover protruding ribs are fixedly arranged on the rear cover, a plurality of the rear cover protruding ribs are arranged at equal intervals on the circumference, and the rear cover protruding ribs can be matched with the clamping blocks;

2. The removable rear cover structure of claim 1, wherein the blower housing has a housing screw hole extending through the blower housing, and the rear cover has a rear cover threaded hole corresponding to the housing screw hole.

3. The structure of the rear cover of claim 2, wherein the blower housing is fixedly connected to the rear cover by a limit screw.

4. A removable rear cover structure for a hair dryer as claimed in claim 3, wherein an air duct is installed in the hair dryer housing, one end of the air duct is in close contact with the inner wall of the hair dryer housing, the other end of the air duct is in close contact with the rear cover, and the hair dryer housing and the rear cover cooperate to fix the position of the air duct.

5. The removable back cover structure of claim 4, wherein a motor is fixed to the duct, and blades are mounted on the motor.

6. The removable back cover structure of claim 5, wherein the inner diameter of the duct near the end of the back cover is smaller than the outer diameter of the back cover, and the inner diameter of the duct near the end of the back cover is larger than the outer diameter of the air inlet.

7. The removable back cover structure of claim 6, wherein the duct and the back cover are in close contact, and the duct and the back cover are air-tight to prevent air from flowing between the duct and the blower housing.

8. A readily removable back cover structure for a hair dryer as claimed in claim 7, wherein air from outside said hair dryer housing can only enter said air duct through said air inlet.

9. The removable back cover structure of claim 8, wherein after the limiting screw is removed, the back cover can be quickly removed by rotation, and the air duct pipe is not abutted by the back cover and can be easily removed.

10. A readily removable back cover arrangement for a hair dryer as claimed in claim 1, wherein said screen is arcuate and directs airflow through said air inlet.