CN211932985U - Diffuser and hair dryer - Google Patents

Abstract

The utility model discloses a diffuser and a blower, wherein, the diffuser comprises a casing HEPA filter element, the casing is provided with an air inlet and an air outlet, and the air inlet is used for communicating with the body of the blower; the HEPA filter is installed in the shell and located between the air inlet and the air outlet. The utility model discloses air-out effect when technical scheme aims at improving the hair-dryer and uses.

Description

Diffuser and hair dryer

Technical Field

The utility model relates to a hair-dryer technical field, in particular to diffuser and hair-dryer of using this diffuser.

Background

The hair dryer is the very high little household electrical appliances of frequency of use among people's daily life, and the hair dryer mainly used hair drying and plastic, and the hair dryer on the market generally has the diffuser in the one end intercommunication of fan body at present, makes the hair dryer have better air-out effect through the guide effect of diffuser to the air current. However, the diffuser of the related art blower does not have an effect of effectively filtering the air flow, and thus cannot satisfy a desired air outlet effect, thereby affecting the use of the user.

The above is only for the purpose of assisting understanding of the technical solutions of the present application, and does not represent an admission that the above is prior art.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a diffuser is applied to the hair-dryer, aims at improving the air-out effect when the hair-dryer uses.

To achieve the above object, the present invention provides a diffuser for connecting with a body of a hair dryer, the diffuser comprising:

the shell is provided with an air inlet and an air outlet, and the air inlet is communicated with the body of the blower; and

the HEPA filters the piece, HEPA filters the piece install in the casing, and be located the air intake with between the air outlet.

In an embodiment of this application, the casing includes first casing and second casing, first casing with the second casing lid closes the connection, first casing has been seted up the air outlet, the second casing has been seted up the air intake, HEPA filters the piece quilt first casing with the centre gripping that the second casing is fixed.

In an embodiment of this application, the second casing is towards the protruding sleeve that is equipped with in surface of first casing, the sleeve with the air outlet intercommunication, HEPA filters the piece and inlays to be located the sleeve.

In one embodiment of the present application, the HEPA filter includes a main body and at least two position-limiting portions, and the two position-limiting portions are symmetrically connected to two sides of the main body;

HEPA filters and inlays to be located during the sleeve, the main part is located in the sleeve just the lateral wall of main part with telescopic lateral wall butt, two spacing portion with the sleeve orientation the surface butt of first casing.

In an embodiment of the present application, a thickness value of the stopper is smaller than a thickness value of the main body;

and/or an elastic layer is formed on the outermost side of the main body part.

In an embodiment of the application, the surface of the first housing facing the second housing is convexly provided with an abutting portion, and the abutting portion is used for abutting one end of the HEPA filter departing from the second housing.

In an embodiment of the present application, the abutting portion may be provided in plural, and the plural abutting portions are arranged at intervals and annularly provided.

In an embodiment of the application, the first housing is provided with a first clamping portion, the second housing is provided with a second clamping portion, and the second clamping portion and the first clamping portion are clamped and fixed to enable the second housing to be connected to the first housing;

and/or the surface of the first shell, which is far away from the second shell, is in an inwards concave arc surface shape;

and/or the HEPA filter is made of fireproof materials.

In an embodiment of the present application, the first housing further defines a mounting hole, and the diffuser further includes a fastener connected to the body of the blower through the mounting hole;

or the second shell is provided with a magnetic block which is used for being fixed with the body of the hair drier in a magnetic attraction mode.

The present application further proposes a hair dryer comprising a diffuser, the diffuser comprising:

the shell is provided with an air inlet and an air outlet, and the air inlet is communicated with the body of the blower; and

the HEPA filters the piece, HEPA filters the piece install in the casing, and be located the air intake with between the air outlet.

The technical scheme of the utility model when diffuser is applied to the hair-dryer, air intake and body intercommunication on the casing through the diffuser for the air current that the body blew off gets into in the casing by the air intake, and flows from the air outlet on the casing after the guide effect of diffuser. And install HEPA in the casing and filter and be located between air intake and the air outlet to make the more evenly distributed of air current through the diffuser, comfort when in order to improve the user and use, with the effect of blowing that improves the hair-dryer, HEPA filters simultaneously and can also effectively and high-efficiently filter the foreign matter that probably arouses uncomfortable sense, so to having users such as asthma, the discomfort that arouses when can effectively reduce the use, and then improved the hair-dryer and can satisfy the required air-out effect of user.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of an embodiment of a hair dryer of the present invention;

fig. 2 is an exploded view of an embodiment of the diffuser of the present invention;

FIG. 3 is a schematic cross-sectional view of the diffuser of the present invention;

fig. 4 is a schematic diagram of the HEPA filter of the diffuser of the present invention;

fig. 5 is a schematic structural diagram of a first casing of the diffuser of the present invention;

fig. 6 is a schematic structural view of a second casing of the diffuser of the present invention;

fig. 7 is a schematic view of another view angle of the second casing of the diffuser according to the present invention.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

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 efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The present invention provides a diffuser 100 for connection with the body 300 of a blower 1000.

Referring to fig. 1 to 4, in the embodiment of the present invention, the diffuser 100 includes a housing 10 and a HEPA filter 30, the housing 10 has an air inlet 13a and an air outlet 11a, and the air inlet 13a is configured to communicate with a body 300 of the blower 1000; the HEPA filter 30 is installed in the housing 10 and located between the air inlet 13a and the air outlet 11 a.

Among them, the HEPA filter 30(High Efficiency Particulate Air, HEPA) is a High Efficiency Particulate Air filter, which has a removal Efficiency of 99.97% or more for particles with a diameter of 0.3 μm or more (1/200 for hair diameter), and is the most effective filtering medium for contaminants such as smoke, dust, bacteria, etc. And the housing 10 and the body 300 of the diffuser 100 may be detachably coupled like a screw, a snap or a magnet to facilitate their detachment for repair and replacement. Of course, the housing 10 and the body 300 may be fixedly coupled in an integrated structure to improve the coupling strength between the diffuser 100 and the body 300. The housing 10 is mainly used to form an air passage to guide the airflow blown out from the body 300 to increase the contact area with the hair. Specifically, the housing 10 may have a substantially circular truncated cone shape, and the cross-sectional area of the housing 10 gradually increases from the air inlet 13a to the air outlet 11 a. Thus, the air flow blown out from the body 300 can flow to the air outlet 11a along the extending direction of the inner wall of the casing 10, so as to increase the air outlet area; the circular truncated cone shaped housing 10 can make the air flow velocity at all positions of the inner peripheral surface of the housing 10 the same, so that the air flow blown by the blower 1000 at all positions is more uniform to further improve the blowing effect. In addition, the number of the air outlets 11a may be plural, so as to increase the air outlet area. Additionally, to reduce the mass of the blower 1000 so that it is convenient for a user to hold it in his or her hand. The material of the housing 10 may be plastic material, for example: ABS, POM, PS, PMMA, PC, PET, etc.

In addition, can also deviate from the protruding a plurality of air-out portions 50 that are the main part form that are equipped with of terminal surface that body 300 at casing 10, this air-out portion 50 is equipped with expands wind hole 51, the opening orientation of the wind hole 51 that expands of each air-out portion 50 is different, air-out portion 50 mainly used accepts the air current in the casing 10, and make the air current flow from the wind hole 51 that expands of different opening directions and form diversified blowing direction, increase the air output of air-out portion 50 through the expansion effect of expanding wind hole 51 to the amount of wind simultaneously. In addition, the air outlet portion 50 is substantially formed in a main body shape, so that when the diffuser 100 blows air to the user, the air outlet portion can abut against the scalp, a certain distance is formed between the diffuser 100 and the hair, and the phenomenon that the hair is attached to the diffuser 100 due to the fact that the distance between the diffuser 100 and the hair is too short is avoided. Wherein, the end surfaces of the air outlet part 50 and the housing 10 can be arranged in an integral structure, so as to avoid the influence of the gap at the joint between the two on the sealing performance. In order to avoid the air outlet portion 50 from scratching the scalp, the end surface of the air outlet portion 50 away from the air outlet 11a and the lateral periphery of the air outlet portion 50 may be smoothly transited.

The utility model discloses a when diffuser 100 of technical scheme was applied to hair-dryer 1000, air intake 13a and body 300 intercommunication on the casing 10 through diffuser 100 for the air current that body 300 blew out gets into in the casing 10 by air intake 13a, and flows out from air outlet 11a on the casing 10 after the guide effect of diffuser 100. And install HEPA in casing 10 and filter piece 30 and be located between air intake 13a and the air outlet 11a to make the air current through diffuser 100 more evenly distributed, in order to improve the comfort when the user uses, in order to improve the effect of blowing of hair-dryer 1000, HEPA filters piece 30 can also effectively and high-efficiently filter the foreign matter that probably arouses uncomfortable sense simultaneously, so to having users such as asthma, the discomfort that arouses when can effectively reduce the use, and then improved hair-dryer 1000 and can satisfy the required air-out effect of user.

In an embodiment of the present application, referring to fig. 2, 5 to 7, the housing 10 includes a first housing 11 and a second housing 13, the first housing 11 and the second housing 13 are covered and connected, the first housing 11 has the air outlet 11a, the second housing 13 has the air inlet 13a, and the HEPA filter 30 is clamped and fixed by the first housing 11 and the second housing 13. It can be understood that the first housing 11 is covered and connected to the second housing 13, that is, the first housing 11 and the second housing 13 can be detachably connected, so that the second housing 13 and the first housing 11 can be detached to facilitate cleaning when the interior of the diffuser 100 is blocked. Meanwhile, when the HEPA filter 30 is used for a long time, the HEPA filter 30 can be replaced by detaching the second housing 13 and the first housing 11, so as to ensure the filtering effect. In addition, when the second housing 13 and the first housing 11 are partially damaged, the need for maintenance and replacement of the whole can be avoided, which leads to an increase in manufacturing cost.

Further, a sleeve 13b is convexly arranged on the surface of the second housing 13 facing the first housing 11, the sleeve 13b is communicated with the air outlet 11a, and the HEPA filter 30 is embedded in the sleeve 13 b. Specifically, this sleeve 13b can directly be protruding establishes the surface of second casing 13 towards first casing 11, so in order to guarantee sleeve 13 b's support intensity, fix a position the installation through setting up sleeve 13b simultaneously, make it is comparatively accurate convenient when installing HEPA and filter piece 30, and this sleeve 13 b's opening shape is the same with HEPA filters piece 30's outline, specifically can filter piece 30's outline to cylindric with HEPA, and sleeve 13 b's opening shape corresponds and sets up to the round hole, avoid there being the setting of most advanced structure, thereby make HEPA filter piece 30's installation convenient and safe comparatively.

Further, referring to fig. 4, the HEPA filter 30 includes a main body 31 and at least two position-limiting portions 33, wherein the two position-limiting portions 33 are symmetrically connected to two sides of the main body 31; when the HEPA filter 30 is embedded in the sleeve 13b, the main body 31 is located in the sleeve 13b, the side wall of the main body 31 abuts against the side wall of the sleeve 13b, and the two limiting portions 33 abut against the surface of the sleeve 13b facing the first housing 11. Wherein, main part 31 and two spacing portions 33 can be structure as an organic whole, in order to guarantee HEPA and filter piece 30 bulk strength, and be equipped with the filter screen in the main part 31, in order to be used for filtering the air current, simultaneously owing to set up two spacing portions 33, this two spacing portions both can be by the platelike structure that hard materials such as plastics were made, thereby filter piece 30 when sleeve 13b at installation HEPA, two spacing portions 33 and sleeve 13b are towards the surperficial butt of first casing 11, so two butt joint portions 11b not only play location and spacing effect, avoid HEPA to filter piece 30 installation and move easily on sleeve 13b longitudinal direction, when dismantling HEPA and filter piece 30, simultaneously, can remove through the direction that directly stirs two spacing portions 33 and deviate from sleeve 13b, can make HEPA filter piece 30 wholly break away from sleeve 13b, it is comparatively convenient to dismantle the process. Of course, these two spacing portions 33 can also be the belt structure such as flexible material such as nylon, so the user not only can conveniently take out HEPA and filter piece 30, and there is rigid contact and leads to uncomfortable condition to take place when the setting of flexible material avoids the user to snatch spacing portion 33 simultaneously, and the spacing portion of flexible material is less because the shared space of deformation, so can be corresponding reduce the volume of diffuser 100. It should be noted that a plurality of the limiting portions 33 may be provided, so as to improve the stability of the HEPA filter 30 after connection.

In addition, main part 31 is located sleeve 13b and main part 31's lateral wall and sleeve 13 b's lateral wall butt, so make HEPA filter piece 30 installation back, HEPA filter piece 30 lateral direction's removal receives the restriction, so in order to guarantee HEPA filter piece 30 installation back holistic stability, guarantee that the air current through sleeve 13b all can be filtered by HEPA filter piece 30, and then further guarantee diffuser 100's filter effect.

Alternatively, the thickness of the stopper 33 is smaller than the thickness of the body 31. Specifically, as shown in fig. 3, the thickness of the limiting portion 33 is specifically W1, the thickness of the main body portion 31 is specifically W2, and in order to ensure the filtering effect, the thickness of the limiting portion 33 is smaller than the thickness of the main body portion 31, so as to ensure the filtering effect of the HEPA filter 30, and simultaneously avoid the volume of the housing 10 occupied by the HEPA filter 30 from being too large, and further avoid the volume of the diffuser 100 from being too large, thereby facilitating the use of the blower 1000 by the user.

Optionally, an elastic layer is formed on the outermost side of the main body 31. Specifically, can make HEPA filter piece outer layer adopt silica gel embedment technology to make, make HEPA filter piece's outmost formation form the elastic layer, the material of this elastic layer can be silica gel or rubber etc. so make HEPA filter piece and sleeve 13b butt can play better sealed effect through the sealed butt of elasticity, can also form the structure and the sleeve 13b butt of sealed face in HEPA filter piece 30 outer layer in order further to improve the leakproofness certainly, specifically can select by technical personnel in the field.

In an embodiment of the present application, referring to fig. 3 and 5, an abutting portion 11b is protruded from a surface of the first housing 11 facing the second housing 13, and the abutting portion 11b is configured to abut against an end of the HEPA filter 30 facing away from the second housing 13. Specifically, this butt portion 11b can specifically be the block structure of rectangle, so after the butt with HEPA filter piece 30 because both contact surface each other is the plane, thereby guarantee the stability after the butt, avoid the shake, the protruding surface of locating first casing 11 towards second casing 13 of this butt portion 11b, thereby when HEPA filter piece 30 inlays and locates in sleeve 13b, connect first casing 11 lid again in second casing 13 back, butt portion 11b can stabilize butt HEPA filter piece 30, so further improve the stability after HEPA filter piece 30 installs, make HEPA filter piece 30 stable be located between first casing 11 and the second casing 13, in order to guarantee diffuser 100's filter effect.

Further, the abutting portion 11b may be provided in plural, and the plural abutting portions 11b are arranged at intervals and arranged in a ring shape. In order to further improve the stability after HEPA filters piece 30 installs, so can set up a plurality of butt portion 11b interval arrangements and annular setting, so can increase and HEPA filters piece 30 area of contact, and annular setting can follow a plurality of angles and carry out butt HEPA filters piece 30 for HEPA filters piece 30 atress evenly, can not rock.

In an embodiment of the present application, referring to fig. 3, the first housing 11 is provided with a first clamping portion 11c, the second housing 13 is provided with a second clamping portion 13c, and the second clamping portion 13c and the first clamping portion 11c are clamped and fixed to each other, so that the second housing 13 is connected to the first housing 11. It is understood that the first housing 11 can be connected to the second housing 13 by inserting the first engaging portion 11c into the second engaging portion 13 c. The connection structure between the second housing 13 and the first housing 11 is simplified in this way, and the assembly efficiency of the two can be improved. The second clamping portion 13c may include a second clamping groove and a second clamping block, and the first clamping portion 11c may include a first clamping block and a first clamping groove. This first fixture block joint in the second draw-in groove, first draw-in groove joint in the second fixture block, so can increase the joint strength of second casing 13 and first casing 11 through the fixed mode of dual joint. Of course, the present application is not limited thereto, and in other embodiments, the second housing 13 and the first housing 11 may be fixed by screw threads or magnetic attraction.

Optionally, the surface of the first housing 11 facing away from the second housing 13 is in the shape of a concave arc surface. Specifically, the surface of the first casing 11 facing away from the second casing 13 is arc-surface-shaped, so as to converge the airflow blown out by the diffuser 100, and meanwhile, the surface is provided with a plurality of air outlets 11a, so that the air outlets 11a are all arranged toward the center of the first casing 11, thereby ensuring that the diffuser 100 has a larger airflow at the center of the first casing 11, and improving the drying and shaping effects on the hair in the area.

Optionally, the HEPA filter is a fire resistant material. The HEPA filter element 30 can be partially or wholly made of fireproof materials, for example, fireproof wallpaper can be arranged on the outer side of the HEPA filter element 30, the fireproof wallpaper is made of asbestos paper, meanwhile, a flame retardant is doped in PVC plastic-coated materials of a wallpaper surface layer, so that the HEPA filter element has certain fireproof and flame-retardant performances, or the HEPA filter element 30 can be wholly made of fireproof materials, such as polyvinyl chloride, perchloroethylene, chlorinated rubber, chloroprene rubber emulsion, epoxy resin, phenolic resin and the like, and can be selected by technical personnel in the field.

In an embodiment of the present application, the first housing 11 is further provided with a mounting hole, and the diffuser 100 further includes a fastener, which is connected to the body 300 of the blower 1000 through the mounting hole; it will be appreciated that the fastener, when passed through the mounting hole, may cooperate with the body 300 to clamp the second housing 13 in place. There is no need to provide a connecting structure on the second housing 13 to fix it to the body 300, thereby facilitating the manufacturing of the second housing 13. The fastening member and the body 300 may be in threaded connection, and at this time, the body 300 may be provided with an internal threaded hole, and the outer peripheral surface of the fastening member is provided with an external thread matched with the internal threaded hole.

In an embodiment of the present application, referring to fig. 2 and 3, the second housing 13 is provided with a magnet 70 for magnetically attracting and fixing with the main body 300 of the hair dryer 1000. It can be understood that the second casing 13 is magnetically fixed to the main body 300 through the magnetic block 70, which simplifies the connection structure between the second casing 13 and the main body 300, thereby improving the assembly and disassembly efficiency of the two.

The utility model discloses still provide a hair-dryer 1000, this hair-dryer 1000 includes diffuser 100, and the concrete structure of this diffuser 100 refers to above-mentioned embodiment, because this hair-dryer 1000 has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is not given here again. Wherein, one end of the air inlet 13a of the diffuser 100 is connected to the body 300, and the blower includes a main body 310 and a handle 330. A heater is arranged in the main machine 310; one end of the handle 330 is connected to one end of the main body 310, and a motor is disposed in the handle 330 to drive an external air flow into the handle 330, and the external air flow flows into the main body 310 and is heated by the heater; one end of the air inlet 13a of the diffuser 100 is connected to an end of the main unit 310 away from the handle 330, and the air flow in the main unit 310 can flow into the diffuser 100 after passing through the heater, and then is guided by the diffuser 100 to be filtered and increase the blowing area.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims (10)

1. A diffuser for connection to the body of a hair dryer, said diffuser comprising:

the shell is provided with an air inlet and an air outlet, and the air inlet is communicated with the body of the blower; and

the HEPA filters the piece, HEPA filters the piece install in the casing, and be located the air intake with between the air outlet.

2. The diffuser of claim 1, wherein the housing includes a first housing and a second housing, the first housing and the second housing are coupled to each other in a covering manner, the first housing defines the air outlet, the second housing defines the air inlet, and the HEPA filter is held and fixed by the first housing and the second housing.

3. The diffuser of claim 2, wherein a surface of the second housing facing the first housing is provided with a sleeve protruding therefrom, the sleeve communicating with the outlet port, the HEPA filter being embedded in the sleeve.

4. The diffuser of claim 3 wherein said HEPA filter includes a main body portion and at least two retaining portions, wherein said retaining portions are symmetrically connected to both sides of said main body portion;

HEPA filters and inlays to be located during the sleeve, the main part is located in the sleeve just the lateral wall of main part with telescopic lateral wall butt, two spacing portion with the sleeve orientation the surface butt of first casing.

5. The diffuser of claim 4, wherein the thickness of said limiting portion is less than the thickness of said main portion;

and/or an elastic layer is formed on the outermost side of the main body part.

6. A diffuser according to claim 3 wherein the surface of the first housing facing the second housing is convexly provided with an abutment for abutting an end of the HEPA filter facing away from the second housing.

7. The diffuser of claim 6 wherein said abutment is provided in plurality, said plurality of abutments being spaced apart and arranged in a circular pattern.

8. The diffuser of any one of claims 2 to 7, wherein the first housing is provided with a first clamping portion, the second housing is provided with a second clamping portion, and the second clamping portion and the first clamping portion are clamped and fixed to enable the second housing to be connected to the first housing;

and/or the surface of the first shell, which is far away from the second shell, is in an inwards concave arc surface shape;

and/or the HEPA filter is made of fireproof materials.

9. The diffuser of any one of claims 2 to 7 wherein said first housing is further provided with mounting holes, said diffuser further comprising fasteners connected to the body of said blower through said mounting holes;

or the second shell is provided with a magnetic block which is used for being fixed with the body of the hair drier in a magnetic attraction mode.

10. A hair dryer comprising a diffuser as claimed in any one of claims 1 to 9.

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