CN114027606B

CN114027606B - Handheld hair dryer

Info

Publication number: CN114027606B
Application number: CN202111545960.2A
Authority: CN
Inventors: 张涛; 周伟军; 张轶; 吴志勇
Original assignee: Suzhou Xiaozaoshu Network Technology Co ltd
Current assignee: Suzhou Xiaozaoshu Network Technology Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2024-02-06
Anticipated expiration: 2041-12-16
Also published as: CN114027606A

Abstract

The present disclosure relates to a hand-held hair dryer, comprising a housing enclosing a hollow cylinder, the housing being provided with a tuyere opening; an inner housing received in the outer housing with a gap therebetween to allow fine-tuning movement of the outer housing in an inner and outer direction with respect to the inner housing; the inner shell is provided with an inner shell opening at a position corresponding to the tuyere opening; the tuyere comprises a connecting part, wherein the connecting part comprises an outer shell connecting part and an inner shell connecting part; the shell connecting part is in abutting connection with the tuyere part of the shell so as to limit the movement of the tuyere along one of the inner and outer directions; the inner shell connecting part is abutted against the inner shell opening so as to limit the movement of the tuyere along the other one of the inner and outer directions; and a fixing portion fixing the outer case and the inner case to restrict the fine adjustment movement. The blower can be conveniently installed through the structure.

Description

Handheld hair dryer

Technical Field

This patent belongs to domestic appliance technical field, particularly relates to a handheld hair-dryer.

Background

Hand held hair dryers are common household appliances in the prior art, but with the development of technology, miniaturization and ease of use of hand held hair dryers are becoming a concern in the prior art.

In the prior art, some hand-held blowers form wind with a predetermined flow rate by means of turbo-charging after forming air flow by a power source, thereby saving space of a fan and improving miniaturization and convenience of the hand-held blower device.

In some technologies, the handheld blower may be formed into a rod shape or a bar shape, an air flow is generated by a motor or a power source at the bottom, air is discharged through an air duct at the top, and an electric heating wire is arranged in the air duct to heat the air.

In this kind of handheld hair-dryer, the setting of tuyere is a crucial factor, and the shape of tuyere can influence the trend of vortex and spun impression, and the tuyere is because directly feel hot-blast, consequently easily violently intensify again and cause the deformation, if set up tuyere and casing as an organic whole and not only require extremely high and also be difficult to change to the die molding, because need withstand high temperature, consequently modes such as veneer are no longer suitable with tuyere and handheld hair-dryer casing connection, if make the tuyere alone how firmly connect tuyere and handheld hair-dryer shell be the problem that need solve among the prior art.

Disclosure of Invention

This patent is based on the above-mentioned demand of prior art and proposes, and the technical problem that this patent will solve is to provide a handheld hair-dryer to can conveniently install handheld hair-dryer casing firmly.

In order to solve the above-mentioned problem, the technical scheme that this patent provided includes:

a hand-held hair dryer is characterized by comprising

The shell is enclosed into a hollow cylinder shape, and a tuyere opening is formed in the shell;

an inner housing received in the outer housing with a gap therebetween to allow fine-tuning movement of the outer housing in an inner and outer direction with respect to the inner housing; the inner shell is provided with an inner shell opening at a position corresponding to the tuyere opening;

the tuyere comprises a connecting part, wherein the connecting part comprises an outer shell connecting part and an inner shell connecting part; the shell connecting part is in abutting connection with the tuyere part of the shell so as to limit the movement of the tuyere along one of the inner and outer directions; the inner shell connecting part is abutted against the inner shell opening so as to limit the movement of the tuyere along the other one of the inner and outer directions;

and a fixing portion fixing the outer case and the inner case to restrict the fine adjustment movement.

2. The hand-held hair dryer of claim 1, wherein said inner housing comprises an interior cavity defined by a first portion and a second portion, said first and second portions being removably connected; an inner shell opening is arranged on the inner shell at a position corresponding to the tuyere opening;

the tuyere opening is arranged on the side wall of the outer shell, and the inner shell opening is arranged on the side wall of the inner shell and is opposite to the outer shell opening.

4. A hand held hair dryer according to claim 1, wherein the top of the inner housing is provided with positioning means extending in an inner and outer direction, the positioning means comprising a recess and a rib cooperating with the recess to position the relative rotational phase position between the inner and outer housings and to allow relative movement between the inner and outer housings;

the fixing part comprises a fixing piece arranged at the bottom of the blower, and the fixing piece is fixedly connected with the outer shell and the inner shell so as to limit the fine adjustment movement

4. A hand held hair dryer according to claim 1, wherein said outer housing is closed at a fixed end and provided with a mounting opening at a bottom end, said inner housing being inserted into said outer housing through said mounting opening.

5. A hand held hair dryer according to claim 2, wherein said first and second portions are symmetrically disposed along a longitudinal axis of said hair dryer housing, forming a portion of an interior cavity on each side of said longitudinal axis;

an opening is arranged on the first part; an arm is arranged on the second part at a position corresponding to the opening, one end of the arm is fixedly connected with the second part, and the other end of the arm extends from the second part to the first part and penetrates through the opening.

6. A blower housing as set forth in claim 5, wherein,

the arm is an elastic arm, the other end is a free end, a protruding part is arranged on the free end, and when the other end passes through the hole, the protruding part is abutted by the wall of the hole, so that the elastic arm is elastically extruded; when the other end passes through the hole, the elastic arm elastically resets to push the protruding part at least partially out of the opening of the hole.

7. A hand held hair dryer according to claim 1, wherein said inner housing opening comprises a second abutment surface which abuts from the inside towards said inner housing connection.

8. A hand held hair dryer according to claim 7, wherein said housing attachment portion comprises a recess opening downwardly or upwardly, an inner side wall of said recess being formed as said first abutment surface, a bottom wall of said recess being resilient, a wall of said tuyere opening being snap-fitted into said recess.

9. A hand held hair dryer according to claim 8, wherein said inner housing opening is provided with a recess having a slot opening facing outwardly, an inner wall of said recess being formed as said second abutment surface, an inner housing connection of said tuyere comprising an inwardly extending plate, said plate being received in said recess.

10. The hand-held hair dryer of claim 9, wherein said tuyere opening abuts said housing connecting portion at a first position and a second position, respectively, with a distance being spaced apart in an inner-outer direction between said first position and said second position.

Compared with the prior art, the tuyere of this patent realizes the installation through inwards and outside supporting with the shell, not only simple to operate but also has prescribe a limit to the firm position of tuyere, simultaneously because the hair-dryer divide into inner shell and shell, can install the tuyere of hair-dryer and the inner shell of shell and equipment hair-dryer earlier, then insert the inner shell in the shell support through fine setting removal the tuyere, then fix the mounting inner shell and outer shell realize firm assembly, improve assembly precision and reduce the assembly degree of difficulty.

Drawings

In order to more clearly illustrate the embodiments of the present description or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the embodiments of the present description, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic view of the configuration of a hand-held blower in accordance with the embodiments of the present patent;

FIG. 2 is a schematic view of the structure of a hand-held blower nozzle in the embodiment of the present patent;

FIG. 3 is a schematic illustration of the connection of a hand-held blower nozzle to a housing in the present patent embodiment;

FIG. 4 is a schematic view of the structure of the blower inner housing in the specific embodiment of this patent;

fig. 5 is a schematic view of the structure of the second portion of the inner housing of the blower in the embodiment of this patent;

fig. 6 is a schematic view of the structure of the first part of the inner housing of the blower in the specific embodiment of this patent.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

In the description of the embodiments of the present patent, it should be noted that, unless explicitly specified and limited otherwise, the term "connected" is to be construed broadly, and for example, it may be a fixed connection, a removable connection, or an integral connection, may be a mechanical connection, may be an electrical connection, may be a direct connection, or may be an indirect connection via an intermediary. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.

The terms "top," "bottom," "above … …," "below," and "on … …" are used throughout the description to refer to the relative positions of components of the device, such as the relative positions of the top and bottom substrates inside the device. It will be appreciated that the devices are versatile, irrespective of their orientation in space.

For the purpose of facilitating an understanding of the embodiments of the present application, reference will now be made to the following description of specific embodiments, taken in conjunction with the accompanying drawings, in which the embodiments are not intended to limit the embodiments of the present application.

The present embodiment provides a hand-held hair dryer, which is a daily article used in the daily life field and used for drying hair and the like, and delivering hot air or normal temperature air.

Common hand-held hair dryer profiles typically include a very conspicuous hand-held hair dryer head, but in rod-shaped or bar-shaped hand-held hair dryers, such hand-held hair dryer heads have been very unobvious, even though in some embodiments, there has been no hand-held hair dryer head. In the design of such hand-held blowers, the shape of the tuyere and the chamber connected to the tuyere is of importance, since the turbulence at the tuyere portion directly influences the effect of the air outlet of the hand-held blower in case of a reduced fan. The stable mounting of the tuyere to the hand-held blower housing is a problem to be solved in this embodiment.

The main inventive concept of the hand-held blower comprises that the hand-held blower shell is arranged as an outer shell and an inner shell, and the air nozzle of the hand-held blower is respectively in abutting connection with the outer shell and the inner shell from two directions, so that the connection stability of the air nozzle and the hand-held blower is maintained, and the hand-held blower is convenient to install.

Specifically

As shown in fig. 1-6, one aspect of this embodiment provides a hand-held blower 001, comprising: the shell 002, the shell encloses into hollow tube-shape, be provided with tuyere opening 003 on the shell.

In this embodiment, the housing is connected to the tuyere through a tuyere opening having a shape adapted to the tuyere 004, and the tuyere opening and the tuyere continuously transition in shape, thereby forming a smooth shape.

An inner case 005 accommodated in the outer case, the inner case being provided with an inner case opening 006 at a position corresponding to the tuyere opening; the shape of the opening of the inner shell is matched with the air flow path space inside the tuyere, so that a smooth passage for discharging vortex air outwards from the inside of the handheld blower is formed.

The inner shell is accommodated in the outer shell, and a gap is reserved between the inner shell and the outer shell so as to allow the outer shell to finely move along the inner and outer directions relative to the inner shell; this clearance and fine adjustment allows fine adjustment of the position of the inner and outer directions of the inner case when the inner case is assembled with the air nozzle, so as to be free from the interference of the air nozzle when the inner case is inserted, and the inner case can be adjusted outwardly after the insertion so as to be abutted against the air nozzle, so as to stably fix the air nozzle.

A tuyere 006 comprising a connection portion including an outer case connection portion 007 and an inner case connection portion 008; the shell connecting part is in abutting connection with the tuyere part of the shell so as to limit the movement of the tuyere along one of the inner and outer directions; the inner housing connecting portion abuts against the inner housing opening to restrict movement of the tuyere in the other one of the inner and outer directions. Through with inner shell and shell respectively with the tuyere supports in two directions and leans on the setting, can use mechanical structure to install the tuyere firmly, mounting structure simple operation simultaneously.

Preferably, the housing connection comprises a first abutment surface 009, which abuts against the housing tuyere opening from the inner side. The inner housing opening comprises a second abutment surface 010 which abuts against the inner housing connecting portion from the inside.

Preferably, the connecting portion of the outer casing includes a recess with a downward opening or an upward opening, the inner side wall of the recess is formed as the first abutting surface, the bottom wall 011 of the recess has elasticity, and the wall of the opening of the tuyere is clamped in the recess.

Preferably, the inner housing opening is provided with a groove 012 with a notch facing outwards, the inner wall of which is formed as the second abutment surface, the inner housing connection of the tuyere comprising an inwardly extending plate which is received in the groove. The abutting surface formed on the inner shell can be provided with a stable abutting structure by utilizing the advantage of the large surface area of the inner shell, and the stable fixing of the tuyere is facilitated.

Still further, the outer shell and the inner shell are fixedly connected to each other. The inner shell and the outer shell are fixedly connected with each other, and a fixed position between the inner shell and the outer shell can be included, so that the abutting positioning of the tuyere is kept fixed, and a more stable installation positioning effect is formed. In this embodiment, the fixed connection between the outer shell and the inner shell may be achieved by a fixed connection, for example, a fixing member is provided at the bottom of the outer shell while being connected to the outer shell and the inner shell so as to keep the outer shell and the inner shell fixed.

Preferably, the tuyere abuts against the tuyere opening in at least two positions; the tuyere abuts against the inner housing opening in at least two positions. Wherein the tuyere opening abuts against the housing connecting portion at a first position 013 and a second position 014, respectively, which are spaced apart from each other by a distance in an inner-outer direction. The stability of the tuyere installation can be improved by arranging the supporting parts at a plurality of positions. Through the setting of inside and outside direction interval distance, can conveniently make things convenient for the installation of other one side after one side block has good tuyere and shell, improve the convenience of operation.

When the tuyere is connected with the inner casing, preferably, the first position is provided at the top of the outer casing, and the second position is provided at the bottom of the outer casing. The positioning of the abutment position at two positions remote from each other makes it possible to fix the tuyere as stably as possible to the housing. It is furthermore preferred that the plate is arranged annularly along the inner wall of the tuyere. The annular plate has higher its intensity, can improve the firm degree of installation and reduce the holistic degree of being heated and warp of tuyere.

In this embodiment, the inner housing of the hand held hair dryer is divided into a first portion and a second portion. As shown, the air nozzle opening 003 is disposed on the housing, and the air nozzle opening 003 is used for installing or directly forming an air nozzle of a blower, in this embodiment, preferably, the air nozzle opening 003 is disposed on a side wall of the housing, especially a side wall close to a top end of the housing, so that when the top end of the blower housing is formed into a certain shape, a turbo-charged cyclone chamber is formed at the top end of the housing, and air in the chamber is ejected from the air nozzle opening in a turbo-charged manner, thereby improving air speed and blowing effect.

Further, the inner shell opening is arranged on the side wall of the inner shell and opposite to the outer shell opening. One end of the cylindrical shell is closed, namely the top end is closed; the other end, namely the bottom end, is provided with an installation opening. The tip may be dome-shaped to facilitate cyclone formation. The bottom end is open, and the internal structure of the electric hair drier can be arranged in an inserting mode.

The inner housing 005 is accommodated in the outer housing, i.e. in this embodiment preferably inserted into the outer housing from bottom to top. In this embodiment, the inner housing includes an inner chamber defined by a first portion 0051 and a first portion 0052, the first portion 0051 and the first portion 0052 being detachably connected. In this way, the inner shell can be divided into two halves in an assembled manner by arranging the first part and the second part on the inner shell, so that an original part, such as a heating wire, a power circuit, a motor and the like, which is arranged in the electric hair dryer can be conveniently arranged in the inner shell. The first and second parts may be assembled together when installed to form a "liner" of the blower and then inserted into the housing to complete the assembly of the blower. Therefore, the space available for the blower to be installed is increased, and the installation efficiency and the installation accuracy are improved.

Whereby further, the first portions 0051 and 0052 are preferably symmetrically arranged along the longitudinal axis of the blower housing, forming a portion of the lumen on either side of the longitudinal axis. A substantially symmetrical arrangement facilitates the mounting between the two housings, while a symmetrical arrangement has a reference effect on alignment and positioning.

The first and second portions may be secured in various ways. For example, the fixing portions 0053 may be provided on the first portion and the second portion, and the fixing portions may be provided on at least two different positions, preferably three or more positions, respectively, and the first portion and the second portion may be fixedly connected to each other at the fixing portions. The first and second portions are secured in at least two different positions to facilitate forming the inner shell as a stable shell.

In this embodiment, the fixing portions are preferably provided in the first and second portions so as to fix the first and second portions without damaging the outer shape of the entire inner case, thereby facilitating insertion of the inner case into the outer case.

Further, to facilitate the mounting positioning of the first and second portions, in this embodiment it is preferred that the first portion is provided with an aperture 0054; an arm 0055 is provided on the second part at a position corresponding to the opening, one end 0056 of the arm is fixedly connected with the second part, and the other end 0057 of the arm extends from the second part to the first part and passes through the opening. The arm is an elastic arm, that is, the other end 0057 is a free end, and the elasticity in the up-down direction is achieved by the elasticity of the material itself of the arm. The material of the arm may be plastic, metal, or the like. Further preferably, a projection 0058 is provided on the free end of the arm, the projection 0058 being abutted by the wall of the hole during passage of the other end through the hole, thereby elastically pressing the elastic arm; when the other end passes through the hole, the elastic arm elastically resets to push the protruding part at least partially out of the opening of the hole. This allows for alignment in the assembly of the first and second parts by means of the cooperation of the positioning holes and the arms on the one hand, and on the other hand facilitates the mutual fixing of the fixing portions 0053 of the first and second parts after alignment of the first and second parts due to the relative fixing action of the resilient abutment and the protrusions.

As a preferred embodiment, the shape of the inner shell matches the shape of the outer shell so that the inner shell can be easily inserted into the outer shell. It is further preferred that guide means, such as longitudinally extending guide grooves or guide ribs, are provided on the inner wall of the outer shell and corresponding guide means, such as longitudinally extending guide ribs or guide grooves, are provided on the outer wall of the inner shell, so that the guide ribs are provided within the guide grooves to guide the installation of the inner and outer shells. The grooves and the ribs can be in various shapes and shapes which can not rotate relatively, including columns, strips, even elliptic cylinders and the like.

The inner case is provided with an inner case opening 006 through which the gas in the inner case passes to be outputted to the outside of the blower. During this process, it is desirable to maintain a relatively fixed phase relationship between the tuyere openings 003 of the inner housing openings 006. After the assembly is completed, the inner shell and the outer shell are fixedly connected, so that the air duct is convenient to be unblocked. The shape of the inner shell matches the shape of the outer shell, which facilitates installation, but the phase positioning between the inner and outer shells is thereby also easily changed under rotation relative to each other.

Therefore, it is further preferred that the top of the inner housing is provided with a positioning means 0059 comprising a groove and a bead cooperating with the groove; one of the grooves and the ribs is arranged on the outer shell, the other one of the grooves and the ribs is arranged on the inner shell, and when the tuyere opening and the inner shell opening are arranged oppositely, the ribs are inserted into the grooves so as to position the relative rotation phase position between the inner shell and the outer shell.

In this embodiment, the hand held hair dryer further includes a securing portion 015 that secures the outer housing and the inner housing to limit the fine tuning movement. The fixing part comprises a fixing piece arranged at the bottom of the blower, the fixing piece is fixedly connected with the outer shell and the inner shell so as to limit the fine adjustment movement, and the fixing connection mode comprises various fixing modes such as glue filling fixing, threaded connection, welding or clamping and the like.

The embodiment also provides a method for installing the handheld blower. Including, installation hair-dryer's tuyere and shell, the inner shell of equipment hair-dryer, then insert the inner shell in the shell through fine setting removal support in the blowing nozzle, then with the mounting is fixed inner shell and shell realize firm assembly, improve assembly precision and reduce the assembly degree of difficulty.

The hand held hair dryer may be any of the hand held hair dryers described above.

The foregoing embodiments have been provided for the purpose of illustrating the general principles of the present application, and are not meant to limit the scope of the invention, but to limit the scope of the invention.

Claims

1. The hand-held blower is characterized by comprising a shell, wherein the shell is enclosed into a hollow cylinder shape, and a tuyere opening is formed in the shell; an inner housing received in the outer housing with a gap therebetween to allow fine-tuning movement of the outer housing in an inner and outer direction with respect to the inner housing; the inner shell is provided with an inner shell opening at a position corresponding to the tuyere opening; the tuyere comprises a connecting part, wherein the connecting part comprises an outer shell connecting part and an inner shell connecting part; the shell connecting part is in abutting connection with a tuyere opening of the shell so as to limit the movement of the tuyere along one of the inner and outer directions; the inner shell connecting part is abutted against the inner shell opening so as to limit the movement of the tuyere along the other one of the inner and outer directions; and a fixing portion fixing the outer case and the inner case to restrict the fine adjustment movement.

2. The hand-held hair dryer of claim 1, wherein said inner housing comprises an interior cavity defined by a first portion and a second portion, said first and second portions being removably connected; the air nozzle opening is arranged on the side wall of the outer shell, and the inner shell opening is arranged on the side wall of the inner shell and is opposite to the air nozzle opening.

3. A hand held hair dryer according to claim 1, wherein the top of said inner and outer shells are provided with positioning means extending in an inner and outer direction, said positioning means comprising grooves and ribs cooperating with the grooves to position the relative rotational phase position between said inner and outer shells and to allow relative movement between said inner and outer shells; one of the grooves and the ribs is arranged on the outer shell, and the other of the grooves and the ribs is arranged on the inner shell; the fixing part comprises a fixing piece arranged at the bottom of the blower, and the fixing piece is fixedly connected with the outer shell and the inner shell so as to limit the fine adjustment movement.

4. A hand held hair dryer according to claim 1, wherein said outer housing is closed at its top end and provided with a mounting opening at its bottom end, said inner housing being inserted into said outer housing through said mounting opening.

5. A hand held hair dryer according to claim 2, wherein said first and second portions are symmetrically disposed along a longitudinal axis of said inner housing, forming a portion of an interior cavity on each side of said longitudinal axis; an opening is arranged on the first part; an arm is arranged on the second part at a position corresponding to the opening, one end of the arm is fixedly connected with the second part, and the other end of the arm extends from the second part to the first part and penetrates through the opening.

6. A hand held hair dryer according to claim 5, wherein said arm is a resilient arm, said other end being a free end, said free end being provided with a projection which is held against the wall of said aperture as said other end passes through said aperture, thereby resiliently compressing said resilient arm; when the other end passes through the opening, the elastic arm elastically resets to push the protruding part at least partially out of the opening.

7. A hand held hair dryer according to claim 1, wherein the housing attachment portion comprises a recess opening downwardly or upwardly, the inner side wall of the recess being formed as a first abutment surface, the bottom wall of the recess being resilient, the wall of the tuyere opening being snap-fitted into the recess.

8. The hand held hair dryer of claim 7, wherein said inner housing opening includes a second abutment surface that abuts said inner housing connection from an inner side.