CN212995093U

CN212995093U - Hair drying device with annular air outlet

Info

Publication number: CN212995093U
Application number: CN202021051437.5U
Authority: CN
Inventors: 陈旭; 孟凡迪; 王芳
Original assignee: Shenzhen Sushi Technology Co Ltd
Current assignee: Soocare Shenzhen Technology Co Ltd; Shenzhen Sushi Technology Co Ltd
Priority date: 2019-11-22
Filing date: 2020-06-09
Publication date: 2021-04-20
Anticipated expiration: 2030-06-09
Also published as: CN213045839U; CN212972063U; CN212972065U; CN212938533U; CN213281877U; CN213550237U; CN212972064U

Abstract

The utility model discloses a hair drying device with an annular air outlet, which comprises a body part, a handle, a fan component and a control panel, wherein the body part is provided with a first fluid inlet and a first fluid outlet which are communicated to form a first flow passage, and the first fluid outlet is annular; the handle is arranged on the body and provided with a second fluid inlet and a second fluid outlet, the second fluid inlet is communicated with the second fluid outlet to form a second flow passage, and the second fluid outlet is communicated with the first fluid inlet; the fan assembly is arranged in the first flow channel; the control panel is arranged in the second flow channel and is electrically connected with the fan assembly. The utility model discloses a hair drying device, the volume is littleer, and amount of wind and wind pressure are great.

Description

Hair drying device with annular air outlet

Technical Field

The utility model relates to an equipment technical field of blowing especially relates to a hair drying device with annular air outlet.

Background

The hair drying device is used for drying and shaping hair, and can also be used for drying and designing other aspects. Hair drying devices generally comprise a body, a handle, a fan assembly, a heating assembly, a control panel and the like, and in the existing hair drying devices, most of the heating assembly, the fan assembly and the control panel are installed in the body, so that the volume of the body is too large; in addition, the design of the air outlet of the existing hair drying device is not reasonable enough, the air pressure is small when the air outlet amount is high, and the air outlet amount is low when the air pressure is large, so that the air outlet amount and the air pressure are difficult to reach a good balance.

In view of the above, it is desirable to develop a hair drying device with an annular air outlet to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: provides a hair drying device with an annular air outlet, which has smaller volume and larger air quantity and air pressure.

In order to solve the technical problem, the utility model discloses a technical scheme be:

a hair drying apparatus having an annular air outlet, comprising:

the body part is provided with a first fluid inlet and a first fluid outlet, the first fluid inlet is communicated with the first fluid outlet to form a first flow passage, and the first fluid outlet is annular;

a handle disposed on the body, the handle having a second fluid inlet and a second fluid outlet, the second fluid inlet communicating with the second fluid outlet to form a second flow path, and the second fluid outlet communicating with the first fluid inlet;

the fan assembly is arranged in the first flow channel; and

and the control panel is arranged in the second flow channel and is electrically connected with the fan assembly.

In one embodiment, the fan assembly further comprises a heat generating component, and the heat generating component is arranged in the first flow passage and is located between the first fluid outlet and the fan assembly.

In one embodiment, the heating assembly comprises a heating wire, and a projection of the heating wire on a projection plane is overlapped with a projection of the first fluid outlet on the projection plane, and the projection plane is perpendicular to the axis of the body.

In one embodiment, the heating wire is annular, the first fluid outlet and the heating wire are coaxially arranged, the diameter of the outer ring of the heating wire is larger than that of the inner ring of the first fluid outlet, and the diameter of the inner ring of the heating wire is smaller than or equal to that of the inner ring of the first fluid outlet.

In one embodiment, the outer ring diameter of the heater is greater than or equal to the outer ring diameter of the first fluid outlet.

In one embodiment, the width of the ring is 1.5-4 mm.

In one embodiment, the first flow channel further comprises a third fluid inlet for fluid from the outside entering the first flow channel.

In one embodiment, the ratio of the flow area of the first fluid outlet to the sum of the flow area of the third fluid inlet and the flow area of the second fluid inlet is from 3:100 to 1: 10.

In one embodiment, the ratio of the flow area of the third fluid inlet to the flow area of the second fluid inlet is 1: 9-3: 7.

in one embodiment, the body further comprises a front cover, the front cover comprises a first ring part and a first cover part, the first ring part and the first cover part are arranged at intervals to form the first fluid outlet, the first ring part is annular, the first cover part is circular, and the first cover part and the first ring part are coaxially arranged.

Implement the embodiment of the utility model provides a, will have following beneficial effect:

according to the hair drying device with the annular air outlet, the control plate is arranged in the second flow passage, so that the volume of the body part can be reduced, and the space in the handle is fully utilized. Moreover, the fluid in the second flow passage can cool the control plate. Simultaneously, because the control panel is located the handle, need not consider the influence of material to the control panel when the somatic part chooses for use the material for the somatic part can choose for use metal material to make, with the feel that increases hair drying device, promotes user experience. In addition, the fan assembly is arranged in the first flow channel, so that the suction effect on fluid in the first flow channel can be enhanced, the fluid in the first flow channel flows more regularly, and the resistance of the fluid flowing in the first flow channel is reduced. The utility model discloses still set up first fluid outlet into the annular, can make the air output and the wind pressure of first fluid outlet reach a better balance, and wind pressure and air output are all higher.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 these drawings without creative efforts.

Wherein:

fig. 1 is a schematic cross-sectional view of a hair drying device with an annular air outlet according to an embodiment;

FIG. 2 is an exploded view of the rear cover of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the blower channel of FIG. 1;

FIG. 4 is a schematic view of a portion of the structure of FIG. 1 at A;

FIG. 5 is an exploded view of the body of FIG. 1;

figure 6 is a front view of a body of an embodiment of the invention;

in the figure: 100. a body portion; 101. a first flow passage; 102. a first fluid inlet; 110. a front cover; 110a, a first ring part; 110b, a first cover; 1111. a first fluid outlet; 120. a rear cover; 121. a noise reduction section; 121a, a second cover; 121b, a second ring portion; 1211. a third fluid inlet; 1212. mounting a column; 122. a flow guide part; 1221. a first flow guide surface; 1222. mounting holes; 1223. a connecting rod; 130. an inner barrel; 131. an upper barrel body; 132. a lower cylinder body; 140. a heater bracket; 141. a mounting plate; 150. a heat insulating sleeve; 160. an outer cylinder; 170. a heater;

200. a handle; 201. a second flow passage; 211. a second fluid inlet;

300. a fan assembly; 301. a fan inlet; 302. an outlet of the fan; 310. a wind shield portion; 320. a fan housing; 321. a second flow guide surface;

400. and a control panel.

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 embodiments 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 addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. 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.

Referring to fig. 1, the hair drying device with an annular air outlet of the present invention includes a body 100 and a handle 200, wherein the handle 200 is connected to the body 100 by welding, clamping, or bolt fastening, or screwing, or the handle 200 is integrally formed with the body 100.

As shown in fig. 1, the body 100 in this embodiment is provided with a first fluid inlet 102 and a first fluid outlet 1111, the first fluid inlet 102 is communicated with the first fluid outlet 1111 to form a first fluid channel 101, the handle 200 in this embodiment is provided with a second fluid inlet 211 and a second fluid outlet, the second fluid inlet 211 is communicated with the second fluid outlet to form a second fluid channel 201, the second fluid inlet 211 is communicated with the outside, the second fluid outlet is communicated with the first fluid inlet 102, and the fluid in this embodiment flows in a direction from the second fluid inlet 211 to the second fluid channel 201, then enters the first fluid channel 101 from the second fluid outlet, and then flows out of the outside from the first fluid outlet 1111. Some existing hair drying devices mostly arrange the air inlet on the body 100, but due to the limitation of the volume of the body 100 and the internal structure of the body 100, the area of the air inlet on the body 100 cannot be too large, in this embodiment, the second fluid inlet 211 is arranged on the handle 200 for the fluid to enter, because the structure inside the handle 200 is relatively simple, the area of the second fluid inlet 211 arranged on the handle 200 can be relatively larger, and further the air volume of the hair drying device of this embodiment is larger.

The hair drying device of the present embodiment further includes a fan assembly 300 and a control board 400, the fan assembly 300 is installed in the first flow passage 101, the control board 400 is installed in the second flow passage 201 by installing the fan assembly 300 in the first flow passage 101, and preferably, the control board 400 is installed between the second fluid inlet 211 and the second fluid outlet, compared to the prior art hair drying device in which the fan assembly 300 and the control board 400 are both installed in the first flow passage 101, the present embodiment can reduce the volume of the body 100 and meet the trend of the hair drying device toward miniaturization, and the heater 170 of the prior art hair drying device is generally installed in the body 100, in the present embodiment, since the control board 400 is installed in the second flow passage 201 at a distance from the heater 170, the temperature of the control board 400 is not substantially affected by the heater, in addition, when the fluid flows in the second flow channel 201, the temperature of the control plate 400 can be reduced, so that the heat dissipation effect of the control plate 400 in the embodiment is better.

In addition, the fan assembly 300 in this embodiment includes a fan housing 320, the fan housing 320 is provided with a fan channel, the fan channel includes a fan inlet 301 and a fan outlet 302, the fan assembly 300 in this embodiment further includes a motor and a fan disposed in the fan channel, the motor is electrically connected to the fan, the motor can drive the fan to rotate, so as to increase a suction force at the fan inlet 301, enhance an effect that the fluid in the second flow channel 201 converges to the fan inlet 301, and increase a wind pressure and a wind volume at the fan outlet 302 and the first fluid outlet 1111. Moreover, the motor is disposed in the blower passage to effectively use the space inside the blower passage to reduce the volume of the body 100.

As shown in fig. 3, the fan channel in this embodiment includes a second flow guiding surface 321, and in the radial direction of the fan channel, the fluid can flow in the radially outward direction through the second flow guiding surface 321, specifically, the radially outward direction refers to the direction from the central axis of the fan channel to the direction away from the central axis of the fan channel in the direction perpendicular to the central axis of the fan channel, and in the axial direction of the fan channel, the fluid can flow in the direction of the first fluid outlet 1111 through the second flow guiding surface 321. Preferably, the second diversion surface 321 is an inner wall that is disposed at a position of the blower channel near the blower outlet 302, specifically, the inner wall of the blower channel near the blower outlet 302 is in a trumpet shape, and in a direction of fluid flow, a flow area of the inner wall of the blower channel gradually increases. The second guide surface 321 can guide the fluid to avoid direct collision with the heater bracket 140, thereby reducing noise.

As shown in fig. 3, a wind blocking portion 310 is disposed on an outer wall of the fan housing 320 in this embodiment, the wind blocking portion 310 is sleeved on the outer wall of the fan housing 320, preferably, the wind blocking portion 310 abuts against an inner wall of the first flow channel 101, specifically, the wind blocking portion 310 includes a third flow guide surface, the third flow guide surface extends from the first fluid inlet 102 to the fan inlet 301, so that the fluid in the second flow channel 201 flows to the fan inlet 301 through the third flow guide surface, and the air resistance can be reduced through a flow guide effect of the third flow guide surface, the fluid is more unobstructed in a flow process, and further the wind pressure and the wind volume at the fan inlet 301 are increased.

Preferably, the wind blocking portion 310 and the fan housing 320 in this embodiment are integrally formed, so that the difficulty of production and manufacturing is reduced, and in some embodiments, the wind blocking portion 310 and the fan housing 320 may also be separately formed; in other embodiments, the wind shielding portion 310 may be integrally formed with the inner wall of the first flow channel 101.

The shape of the wind blocking portion 310 in this embodiment is not limited, and may be spirally wound on the fan casing 320, or symmetrically sleeved on the fan casing 320, and may be a closed ring shape or an unclosed ring shape.

As shown in fig. 1, 2 and 5, the body 100 in the present embodiment includes an air duct, the air duct comprises an inner tube 130 and an outer tube 160, the outer tube 160 is sleeved on the inner tube 130, the inner tube 130 comprises an upper tube body 131 and a lower tube body 132, the upper tube body 131 and the lower tube body 132 are symmetrical about a plane passing through a central axis of the inner tube 130, the upper tube body 131 is detachably mounted on the lower tube body 132 and forms a through hole, the front cover 110 and the rear cover 120 are respectively mounted at openings at two ends of the through hole and form a first flow channel 101 with wind, the front cover 110 is provided with a first fluid outlet 1111, specifically, the front cover 110 comprises a first ring part 110a and a first cover part 110b, the first ring part 110a and the first cover part 110b are arranged at intervals to form the first fluid outlet 1111, the first ring part 110a is annular, the first cover part 110b is circular, and the first cover part 110b is arranged coaxially with the first ring part 110 a. The first fluid inlet 102 is formed in the side wall of the air duct, the heating wire support 140 is located in the first flow channel 101 and is arranged between the first fluid outlet 1111 and the fan assembly 300, the heating wire support 140 is used for winding the heating wire 170, and fluid is heated after passing through the heating wire 170 and is used for rapidly air-drying hair.

Preferably, the heater bracket 140 in this embodiment includes a bracket plate 141 and a fixing sleeve (not shown in the drawings), the heater 170 is wound on the bracket plate 141, the fixing sleeve is sleeved on the heater bracket, an inlet of the fixing sleeve is communicated with the fan outlet 302, an outlet of the fixing sleeve is communicated with the first fluid outlet 1111, in this embodiment, the fluid enters from the handle 200, passes through the fan channel, enters into the fixing sleeve, is heated by the heater 170, and then flows out from the first fluid outlet 1111. In this embodiment, the fluid is directly heated by the heating wire 170, so the heating effect is better, the energy consumption is less, and the power is low.

Preferably, the present embodiment further includes a heat insulation sleeve 150, the heat insulation sleeve 150 is sleeved on the fixing sleeve, the inner cylinder 130 is sleeved on the heat insulation sleeve 150, and the heat generated by the heating wire 170 can be prevented from being conducted to the inner cylinder 130 through the heat insulation sleeve 150.

As shown in fig. 6, in the hair drying device of the present invention, the first fluid outlet 1111 has a ring shape, and the width of the ring shape is 1.5-4 mm. By setting the width of the first fluid outlet 1111 to be 1.5-4mm, the air output and the air pressure of the air output of the hair drying device can reach a good balance, and not only the air output is large, but also the air pressure is high.

The projection plane is defined as a plane perpendicular to the axis of the body, and the projection of the heating wire 170 on the projection plane overlaps with the projection of the first fluid outlet on the projection plane. Wind from the fan assembly 300 can flow through the heating wire 170 and then directly out of the first fluid outlet 1111, so that the fluid can be heated, and the resistance to the fluid flowing out is reduced. Preferably, in an embodiment, the heating wire 170 is in a ring shape, and the ring-shaped heating wire 170 may be formed by splicing multiple segments into a ring shape, or may be in a ring shape formed by integral molding. The annular heating wire 170 is arranged coaxially with the first fluid outlet 1111, the inner ring diameter of the heating wire 170 is smaller than or equal to the inner ring diameter of the first fluid outlet 1111, the outer ring diameter of the heating wire 170 is larger than the inner ring diameter of the first fluid outlet 1111, preferably, the outer ring diameter of the heating wire 170 is larger than or equal to the outer ring diameter of the first fluid outlet 1111, that is, the projection area of the first fluid outlet 1111 on the projection surface can be completely covered by the projection area of the heating wire 170, and after the fluid can be sufficiently heated by the heating wire 170, the fluid flows out of the first fluid outlet 1111. As shown in fig. 1 and fig. 2, the body 100 of the present embodiment further has a third fluid inlet 1211, the third fluid inlet 1211 is disposed opposite to the first fluid outlet 1111, the third fluid inlet 1211 connects the first channel 101 with the outside, and preferably, the third fluid inlet 1211 is disposed on the rear cover 120, so that the third fluid inlet 1211 can increase the amount of air entering the first channel 101, and the volume of air in the hair drying device of the present embodiment is increased. Preferably, the ratio of the flow area of the third fluid inlet 1211 to the flow area of the second fluid inlet 211 is 1: 9-3: 7.

to increase the air volume and the air pressure of the hair drying apparatus, in an embodiment, the ratio of the flow area of the first fluid outlet 1111 to the sum of the flow area of the third fluid inlet 1211 and the flow area of the second fluid inlet 211 is 3:100 to 1: 10. So set up, the air output of first fluid outlet 1111 department is big, and the wind pressure is higher moreover.

The back cover 120 in this embodiment includes a noise reducing portion 121 and a flow guide portion 122, the third fluid inlet 1211 is opened on the noise reducing portion 121, the third fluid inlet 1211 includes a first port and a second port, the fluid flows from the first port to the second port, and the second port is located inside the first port in the radial direction of the body 100. Further, it is possible to prevent the fluid from directly entering the first flow path 101 from the third fluid inlet 1211 and colliding to generate noise.

As shown in fig. 2 and 4, the noise reducer 121 includes a second cover 121a and a second ring 121b, the second cover 121a and the second ring 121b are spaced apart to form the third fluid inlet 1211, preferably, the second ring 121b is annular, the second cover 121a is circular, a central axis of the second cover 121a and a central axis of the second ring 121b are collinear, a difference between a maximum radius of the second cover 121a and a minimum radius of the second ring 121b is L, and L is 0mm to 10 mm. The minimum radius of the second ring portion 121b refers to the radius of a circle on the second ring portion 121b closest to the axis of the body portion 100. When the second cover 121a is circular, the maximum radius at this time is equal to the radius of the cross section of the second cover 121 a. Specifically, at the first port, the inner diameter of the second ring part 121b is larger than the outer diameter of the second cover part 121a, and at the outlet, the inner diameter of the second ring part 121b is smaller than the outer diameter of the second cover part 121a, so as to form a curve, thereby achieving the purpose of noise reduction.

Preferably, the second cap 121a is detachably mounted on the flow guide portion 122, specifically, the second cap 121a is provided with a mounting post 1212, the flow guide portion 122 is provided with a mounting hole 1222, and the mounting post 1212 is screwed into the mounting hole 1222, so that the distance between the second cap 121a and the second ring portion 121b can be adjusted to adjust the size of the third fluid inlet 1211.

Preferably, an edge of a projection plane of the second cover part 121a is on a projection plane of the second ring part 121b, and further preferably, an edge of a projection plane of the second cover part 121a falls on a projection plane of the first port, projected in a direction parallel to a central axis of the second ring part 121 b.

In still other embodiments, noise reducers 121 further include noise reducing cottons disposed within third fluid inlets 1211 to further reduce noise.

As shown in fig. 1 and 2, the rear cap 120 includes a first guiding surface 1221, specifically, the first guiding surface 1221 is located on the guiding portion 122, the first guiding surface 1221 extends from the third fluid inlet 1211 to the blower inlet 301, specifically, in a radial direction of the body 100, the fluid can flow in a radially inward direction through the first guiding surface 1221, specifically, in a direction perpendicular to the central axis of the body 100, from a position away from the central axis of the body 100 toward the central axis of the body 100, and in an axial direction of the body 100, the fluid can flow in a direction toward the first fluid outlet 1111 through the first guiding surface 1221. Further, the fluid entering from the third fluid inlet 1211 flows to the fan inlet 301, and the fluid entering from the first fluid inlet 102 converges at the fan inlet 301, so that the air volume and the air pressure at the fan inlet 301 are increased. For ease of explanation, the arrowed lines in the figures are used to illustrate the path of fluid flow inside the hair drying apparatus.

Preferably, the flow guiding portion 122 in this embodiment is shaped like a cone, specifically, along a direction toward the fan assembly 300, a diameter on an outer side wall of the flow guiding portion 122 gradually decreases, the outer side wall of the flow guiding portion 122 is the first flow guiding surface 1221, and the first flow guiding surface 1221 is a smooth curved surface, but of course, the flow guiding portion 122 may also be shaped like a cone. The cone-like shape in the present embodiment includes a shape similar to a cone and a shape of a cone, and by setting the flow guide portion 122 to be cone-like, not only the flow guide function can be well performed, but also the production and manufacturing are simple.

Preferably, the ring portion 121b is disposed on the flow guide portion 122 and spaced from the flow guide portion 122, and further preferably, a central axis of the flow guide portion 122 and a central axis of the ring portion 121b are collinear, so that the shape of the third fluid inlet 1211 is more restricted, the flow of the entering fluid is more uniform, and noise is further reduced. Specifically, ring portion 121b and water conservancy diversion portion 122 are connected through connecting rod 1223 between, and preferably, ring portion 121b, connecting rod 1223 set up with water conservancy diversion portion 122 integrated into one piece, and then simplify the production degree of difficulty.

The hair drying device in this embodiment not only can play the effect of making an uproar through setting up two air intakes, can also increase the wind pressure and the amount of wind of output, and the volume is littleer moreover, and the radiating effect is better.

The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.

Claims

1. A hair drying device having an annular air outlet, comprising:

the body part is provided with a first fluid inlet and a first fluid outlet, the first fluid inlet is communicated with the first fluid outlet to form a first flow passage, the first fluid outlet is annular,

the fan assembly is arranged in the first flow channel; and

2. The hair drying device with annular air outlet of claim 1, further comprising a heat generating component disposed within said first flow passage and between said first fluid outlet and said fan component.

3. A hair drying device with an annular air outlet according to claim 2, wherein the heat generating component comprises a heat generating wire, a projection of the heat generating wire on a projection plane is overlapped with a projection of the first fluid outlet on the projection plane, and the projection plane is perpendicular to the axis of the body.

4. A hair drying device with an annular air outlet according to claim 3, wherein the heating wire is annular, the first fluid outlet is arranged coaxially with the heating wire, and the outer ring diameter of the heating wire is larger than the inner ring diameter of the first fluid outlet, and the inner ring diameter of the heating wire is smaller than or equal to the inner ring diameter of the first fluid outlet.

5. A hair drying device with annular air outlet according to claim 4, wherein the outer ring diameter of the heating wire is larger than or equal to the outer ring diameter of the first fluid outlet.

6. Hair drying device with annular air outlet according to any of claims 1 to 5, characterized in that the width of the ring is 1.5-4 mm.

7. A hair drying device having an annular air outlet according to claim 6, in which the first flow passage further comprises a third fluid inlet for entry of fluid from the outside into the first flow passage.

8. A hair drying device having an annular air outlet according to claim 7, in which the ratio of the flow area of the first fluid outlet to the sum of the flow area of the third fluid inlet and the flow area of the second fluid inlet is from 3:100 to 1: 10.

9. A hair drying device having an annular air outlet according to claim 7, in which the ratio of the flow area of the third fluid inlet to the flow area of the second fluid inlet is 1: 9-3: 7.

10. a hair drying device having an annular air outlet according to claim 7, wherein the body further comprises a front cover comprising a first ring portion and a first cover portion, the first ring portion and the first cover portion being spaced apart to form the first fluid outlet, the first ring portion being annular, the first cover portion being circular, the first cover portion being coaxially arranged with the first ring portion.