CN213045839U

CN213045839U - Hair drying device with fluid entering from side wall

Info

Publication number: CN213045839U
Application number: CN202021052219.3U
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: 2021-04-27
Anticipated expiration: 2030-06-09
Also published as: CN212972063U; CN212972064U; CN212938533U; CN213550237U; CN213281877U; CN212995093U; CN212972065U

Abstract

The utility model discloses a hair drying device with fluid entering from the side wall, which comprises a body part, a handle, a fan assembly and a control panel, wherein the body part comprises a cylinder body, the cylinder body is provided with a first fluid inlet and a first fluid outlet, and the first fluid inlet is communicated with the first fluid outlet to form a first flow channel; the side wall of the cylinder is also provided with a third fluid inlet communicated with the first fluid channel; the handle is arranged on the body part and is 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 channel, 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 lateral wall advances fluidic hair drying device volume is littleer, the fluid flow in first fluid exit is bigger.

Description

Hair drying device with fluid entering from side wall

Technical Field

The utility model relates to an equipment technical field of blowing especially relates to a lateral wall advances fluidic hair drying device.

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 device includes somatic part, handle, fan subassembly, heating element and control panel etc. usually, and among the current hair drying device, heating element, fan subassembly and control panel are all installed in the somatic part mostly, lead to the bulk of somatic part too big, and the air output is less.

In view of the above, it is desirable to develop a side-wall fluid inlet hair dryer to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: a hair dryer with side wall fluid inlet is provided, which has smaller volume and larger flow rate of fluid.

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

a side-wall fluid entry hair drying apparatus comprising:

the body part comprises a cylinder body, the cylinder body is provided with a first fluid inlet and a first fluid outlet, and the first fluid inlet and the first fluid outlet are communicated to form a first flow channel; the first flow channel also comprises a third fluid inlet for allowing fluid to enter the first flow channel from the outside, and the third fluid inlet is formed in the side wall of the cylinder body;

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

in one embodiment, the fan assembly includes a fan housing defining a fan channel including a fan inlet and a fan outlet, the fan inlet communicating with the first flow channel, the fan outlet communicating with the first fluid outlet, and the third fluid inlet disposed proximate the fan inlet.

In one embodiment, the fan channel comprises a first flow guiding surface, which is arranged close to the fan outlet and through which fluid can flow in a radially outward direction in a radial direction of the fan channel, and through which fluid can flow in an axial direction of the fan channel towards the first fluid outlet.

In one embodiment, the third fluid inlet comprises a first port and a second port, fluid flowing from the first port to the second port, the second port being located between the first port and the blower inlet in the axial direction of the body.

In one embodiment, the fan assembly further includes a wind shielding portion, the wind shielding portion is disposed on an outer wall of the fan housing, the wind shielding portion includes a second flow guiding surface, the second flow guiding surface extends from the first fluid inlet to the fan inlet, and the third fluid inlet is disposed on a side of the second flow guiding surface facing the fan inlet.

In one embodiment, the third fluid inlet is disposed between the second flow directing surface and the fan inlet.

In one embodiment, the second flow directing surface is symmetrical about a reference plane on which the axis of the handle and the axis of the body are both located.

In one embodiment, the number of the third fluid inlets is multiple, and the multiple third fluid inlets are respectively arranged on two opposite sides of the cylinder.

In one embodiment, the plurality of third fluid inlets are symmetrically distributed about a reference plane on which both the axis of the handle and the axis of the body lie.

In one embodiment, the cylinder includes an inner cylinder and an outer cylinder, the outer cylinder is sleeved on the inner cylinder, and the third fluid inlet penetrates through the inner cylinder and the outer cylinder.

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

the control plate of the hair drying device with the side wall for feeding fluid 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, the resistance of the fluid flowing in the first flow channel is reduced, meanwhile, the third fluid inlet is formed in the side wall of the barrel body, the external fluid can enter the first flow channel through the third fluid inlet, the fluid flow of the first flow channel can be increased, and the fluid flow and the pressure at the first fluid outlet of the hair drying device are increased.

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 side-wall fluid-inlet hair dryer according to the present invention;

FIG. 2 is a schematic view of a side-wall fluid inlet hair dryer according to the present invention in a partial cross-sectional configuration;

fig. 3 is an exploded schematic view of the rear cover of the present invention;

fig. 4 is a schematic sectional structure view of the fan duct of the present invention;

FIG. 5 is a schematic view of a portion of the structure at A in FIG. 1;

fig. 6 is an exploded view of the body of fig. 1.

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 dryer with fluid entering through the sidewall of the present invention comprises a body 100 and a handle 200, wherein the handle 200 is connected to the body 100 by welding, clamping, or bolting, or screwing, or the handle 200 is integrally formed with the body 100.

The body 100 in this embodiment includes a cylinder, a first fluid inlet 102 and a first fluid outlet 111 are provided on the cylinder, the first fluid inlet 102 communicates with the first fluid outlet 111 to form a first flow 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 communicates with the second fluid outlet to form a second flow channel 201, the second fluid inlet 211 communicates with the outside, and the second fluid outlet communicates with the first fluid inlet 102, a flow direction of the fluid in this embodiment is that the fluid enters the first flow channel 101 from the second fluid outlet after entering the second flow channel 201 from the second fluid inlet 211, and then flows out of the outside from the first fluid outlet 111. Some existing hair drying devices mostly arrange the fluid 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 fluid inlet on the body 100 cannot be too large, in this embodiment, the handle 200 is provided with the second fluid inlet 211 for the fluid to enter, because the structure inside the handle 200 is relatively simple, the area of the second fluid inlet 211 on the handle 200 can be relatively larger, and further the fluid flow at the first fluid outlet of the hair drying device of this embodiment is larger.

The hair drying device of the present embodiment in which fluid is introduced into the side wall 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, and the control board 400 is preferably installed between the second fluid inlet 211 and the second fluid outlet by installing the fan assembly 300 in the first flow passage 101, 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 satisfy the trend of the hair drying device toward miniaturization, and the heater 170 of the conventional hair drying device is generally installed in the body 100, and in the present embodiment, since the control board 400 is installed in the second flow passage 201 at a longer 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, referring to fig. 4, the blower assembly 300 in this embodiment includes a blower housing 320, a blower passage is disposed in the blower housing 320, the blower passage includes a blower inlet 301 and a blower outlet 302, the blower assembly 300 in this embodiment further includes a motor and a fan disposed in the blower passage, 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 blower inlet 301, enhance an effect that the fluid in the second flow passage 201 converges at the blower inlet 301, and increase a wind pressure and a wind volume at the blower outlet 302 and the first fluid outlet 111. 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.

The fan channel in this embodiment comprises a first guiding surface 321, in the radial direction of the fan channel, the fluid can flow in a radially outward direction through the first guiding surface 321, specifically, radially outward means in a direction perpendicular to the central axis of the fan channel, from the central axis of the fan channel towards a direction away from the central axis of the fan channel, in the axial direction of the fan channel, the fluid can flow in a direction towards the first fluid outlet 111 through the first guiding surface 321. Preferably, the first diversion surface 321 is an inner wall that is disposed at a position of the fan channel near the fan outlet 302, specifically, the inner wall of the fan channel near the fan outlet 302 is in a trumpet shape, and in a direction of fluid flow, a flow area of the inner wall of the fan channel gradually increases. The first guide surface 321 can guide the fluid to avoid direct collision with the heater bracket 140 behind the fan channel, thereby reducing noise.

The outer wall of the fan housing 320 in this embodiment is provided with the wind blocking portion 310, the wind blocking portion 310 is sleeved on the outer wall of the fan housing 320, preferably, the wind blocking portion 310 abuts against the inner wall of the cylinder, specifically, the wind blocking portion 310 includes the second flow guide surface 311, the second flow guide surface 311 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 second flow guide surface 311, and the air resistance can be reduced through the flow guide effect of the second flow guide surface 311, the fluid is more unobstructed in the 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 shielding portion 310 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 a non-closed ring shape. In an embodiment, the wind blocking portion 310 is a closed ring, and the second guiding surface 311 is symmetrical with respect to a reference plane, wherein the reference plane is a plane in which the axis of the handle 200 and the axis of the body 100 are located. When fluid enters the first flow channel 101 from the second flow channel 201, the fluid can be roughly divided into two parts surrounding the fan housing 320 under the action of the fan housing 320, and the second flow guide surface 311 is of a symmetrical structure, so that the two parts of the fluid flowing around the fan housing 320 flow more regularly, the resistance of the fluid in flowing is reduced, and the noise generated by the fluid in flowing is reduced.

It should be noted that, as shown in fig. 2, the body 100 of the present invention is further provided with a third fluid inlet 103, the third fluid inlet 103 is disposed on the side wall of the cylinder, and the third fluid inlet 103 is communicated with the first fluid channel 101, and the third fluid inlet 103 is used for allowing the fluid to enter the first fluid channel 101 from the outside. When the fan assembly 300 is turned on, fluid can enter the hair drying device from the second fluid inlet 211 and the third fluid inlet 103 simultaneously, thereby increasing the fluid flow rate of the first flow channel 101 and thus increasing the fluid flow rate and pressure at the first fluid outlet of the hair drying device. Preferably, the ratio of the flow area of the third fluid inlet 103 to the flow area of the second fluid inlet 211 is 1: 9-3: 7.

the third fluid inlet 103 is disposed at a side of the second flow guiding surface 311 of the wind blocking part 310 facing the blower inlet 301, that is, the third fluid inlet 103 may be disposed between the second flow guiding surface 311 and the rear end of the body 100. In one embodiment, the third fluid inlet 103 is disposed between the second flow guiding surface 311 and the blower inlet 301, and to facilitate better fluid communication within the first flow channel 101, preferably, the third fluid inlet 103 is disposed adjacent to the blower inlet 301, and after fluid enters the first flow channel 101 from the third fluid inlet 103, the fluid can rapidly enter the blower channel from the blower inlet 301.

The third fluid inlet 103 comprises a first port located on the outer sidewall of the cylinder and a second port located on the inner sidewall of the cylinder, from which the fluid flows to the second port, the second port being located between the first port and the blower inlet 301 in the axial direction of the body 100, i.e. the extending direction of the third fluid inlet 103 forms an angle with the radial direction of the cylinder, and the extending direction of the third fluid inlet 103 gradually approaches the blower inlet 301. Since the fluid entering the first flow channel 101 from the second flow channel 201 is gradually close to the blower inlet 301 in the axial direction of the body 100, the two flows entering the first flow channel 101 from the third fluid inlet 103 and the first fluid inlet 102 can be better merged to increase the air volume and the air pressure at the blower inlet 301.

In one embodiment, the number of third fluid inlets 103 is two (each of which may include one or more third fluid inlets 103), two sets of the third fluid inlets 103 are respectively disposed on two opposite sides of the cylinder, and preferably, the two sets of the third fluid inlets 103 are symmetrical with respect to a reference plane.

Referring to fig. 1 again, the body 100 of the present embodiment further includes a front cover 110, a rear cover 120 and a heating wire support 140, wherein the front cover 110 and the rear cover 120 are respectively covered on the front end and the rear end of the barrel. In an embodiment, the rear cover 120 is used for sealing the rear end of the barrel, the front cover 110 is provided with a first fluid outlet 111, the first fluid inlet 102 is also arranged on the side wall of the barrel (but the first fluid inlet 102 and the third fluid inlet 103 are respectively located at different positions on the side wall of the barrel, the first fluid inlet 102 is arranged at a position connected with the handle 200, and the third fluid inlet 103 is arranged at a position spaced from the handle 200), the heater bracket 140 is arranged at one end of the first flow channel 101 close to the front cover 110, the fan assembly 300 is arranged at one end of the first flow channel 101 close to the rear cover 120, the heater bracket 140 is used for winding the heater 170, and the fluid is heated after passing through the heater 170 and is used for rapidly air-drying hair. It should be noted that, in this embodiment, the front cover 110 may not be provided, and when the front cover 110 is not provided, the first flow channel 101 is formed by enclosing the rear cover 120 and the cylinder.

In another embodiment, as shown in fig. 1 and fig. 5, a fourth fluid inlet 1211 is formed on the rear cover 120, and the fourth fluid inlet 1211 is communicated with the first flow channel 101 and is used for allowing fluid to enter the first flow channel 101 from the outside. The amount of the inlet fluid into the first flow path 101 can be increased by the fourth fluid inlet 1211, so that the air volume of the hair drying device in the present embodiment is larger. Preferably, with reference to fig. 3 in combination, the back cap 120 in this embodiment comprises a noise reducing portion 121 and a flow guide portion 122, the fourth fluid inlet 1211 opens on the noise reducing portion 121, the fourth fluid inlet 1211 comprises a third port and a fourth port, fluid flows from the third port to the fourth port, and the fourth port is located inside the third port in the radial direction of the body portion 100. Further, it is possible to prevent the fluid from directly entering the first flow channel 101 from the fourth fluid inlet 1211 and colliding with the first flow channel to generate noise.

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

Preferably, the cap portion 121a is detachably mounted on the flow guide portion 122, specifically, the cap portion 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 in the mounting hole 1222, so that the distance between the cap portion 121a and the ring portion 121b can be adjusted to adjust the size of the fourth fluid inlet 1211.

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

In still other embodiments, noise reducer 121 further includes noise reducing cotton disposed within fourth fluid inlet 1211 to further reduce noise.

The rear cap 120 comprises a third flow guiding surface 1221, in particular the third flow guiding surface 1221 is located on the flow guiding portion 122, the third flow guiding surface 1221 extends from the fourth fluid inlet 1211 to the blower inlet 301, in particular in a radial direction of the body 100, fluid is enabled to flow in a radially inward direction via the third flow guiding surface 1221, in particular in a direction perpendicular to the central axis of the body 100, from a position away from the central axis of the body 100 towards the central axis of the body 100, in an axial direction of the body 100, fluid is enabled to flow in a direction towards the first fluid outlet 111 via the third flow guiding surface 1221. Further, the fluid entering from the fourth 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 third flow guiding surface 1221, the third flow guiding surface 1221 is a smooth curved surface, and 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 sleeved 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 fourth fluid inlet 1211 is more restricted, the flow of the entering fluid is more uniform, and the 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.

As shown in FIG. 6, the cartridge comprises an inner cartridge 130 and an outer cartridge 160, the outer cartridge 160 is disposed on the inner cartridge 130, and the third fluid inlet 103 penetrates through the inner cartridge 130 and the outer cartridge 160. Wherein, the inner cylinder 130 comprises an upper cylinder 131 and a lower cylinder 132, the upper cylinder 131 is detachably mounted on the lower cylinder 132 and forms a through hole, and the front cover 110 and the rear cover 120 are respectively mounted at openings at two ends of the through hole and form the first flow channel 101 with the inner cylinder 130.

In this embodiment, the heater support 140 includes a support plate 141 and a fixing sleeve, the heater 170 is wound on the support plate 141, the fixing sleeve is sleeved on the heater support, an inlet of the fixing sleeve is communicated with the blower outlet 302, and an outlet of the fixing sleeve is communicated with the first fluid outlet 111. 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.

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 side-wall fluid entry hair drying apparatus comprising:

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

2. A side-wall fluid inlet hair drying apparatus according to claim 1, wherein the ratio of the flow area of said third fluid inlet to said second fluid inlet is 1: 9-3: 7.

3. the side wall feed hair drying apparatus of claim 1, wherein said fan assembly includes a fan housing, said fan housing defining a fan channel, said fan channel including a fan inlet and a fan outlet, said fan inlet communicating with said first flow channel, said fan outlet communicating with said first fluid outlet, said third fluid inlet being disposed adjacent said fan inlet.

4. A side wall fluid entry hair drying device as set forth in claim 3 in which said third fluid inlet includes a first port and a second port, fluid flowing from said first port to said second port, said second port being located between said first port and said blower inlet in the axial direction of said body.

5. The side wall feed hair drying apparatus of claim 3, wherein said fan assembly further comprises a wind shield disposed about an outer wall of said fan housing, said wind shield including a second flow directing surface extending from said first flow directing surface to said fan inlet, said third flow directing surface being disposed on a side of said second flow directing surface facing said fan inlet.

6. The side wall fluid entry hair drying apparatus of claim 5, wherein said third fluid inlet is disposed between said second deflector surface and said blower inlet.

7. The side wall fluid entry hair drying device of claim 5, wherein said second deflector surface is symmetrical about a reference plane, and wherein said handle axis and said body axis are both located on said reference plane.

8. A side-wall fluid inlet hair drying device according to claim 1, wherein said third fluid inlet is plural in number, and plural said third fluid inlets are respectively provided at opposite sides of said barrel.

9. A side-wall fluid inlet hair drying apparatus according to claim 8, wherein a plurality of said third fluid inlets are symmetrically arranged about a reference plane, the axis of said handle and the axis of said body being located on said reference plane.

10. A side-wall fluid entry hair drying device as in claim 1, wherein said cartridge comprises an inner cartridge and an outer cartridge, said outer cartridge being mounted on said inner cartridge, said third fluid inlet extending through said inner cartridge and said outer cartridge.