TWM257676U - Improved design of hair dryer - Google Patents

Description

M257676 V. Creation Description (1) [Technical Field to which the New Type belongs] This creation is an improvement of a hair dryer, especially for the outer casing of the hair dryer! A heat-resistant material made of a heat-insulating tube is placed in the front section of the interior, and the front of the heat-insulating tube Extending from the front port of the casing, an air duct is connected at the rear end of the thermal insulation tube. The air duct has a circle of pressurized air guide device inside. The pressurized air guide device contains several pressurized air guides. 丨 片 ， 在 压 压A motor is provided in the center of the air guiding device, and a pump shaft is provided in the motor.

! Fan, exhaust fan Each blade has an oblique angle, and the leading edge of the blade is curved I:! I degree is greater than the curvature of the trailing edge, while the leading edge and trailing edge are both edge design, at the same time as the outer edge of the blade The length is greater than the length of the inner leaf edge. In addition, at the rear port of the hair dryer after the blower's i. For fixed-position installation of disposable filters. i ^ i [prior art]

II The design elements of the conventional hair dryer generally include: a casing (a), an electric heating device (b), a motor (e) and a suction fan (f), a hollow grille cover (g) at the rear of the hair dryer [as shown in the first part of the figure] The conventional embodiment shown in FIG. 1 and FIG. 2], in the known; design technology, there are: _ 1. The inner wall of the shell (a) corresponding to the installation of the electric heating device (b) is provided with a thermal insulation material ; Quality (c) [such as mica sheet], and the use of heat-resistant materials to make the shell. · I 2. There is also a sleeve on the inner wall of the shell corresponding to the outer shell (a) where the electric heating device (b) is installed: an inner sleeve (d) made of heat-resistant material, inside the front mouth of the inner sleeve (d) Shrink in the front port (al) of the casing. In order to prevent the front port (al) of the casing from thermal deformation and damage, the front section of the casing is also made of heat-resistant material. 3. The motor (e) and exhaust fan (f) are installed behind the electric heating device (b).

Page 5 M257676 V. Creation instructions (2) ~ —-— ί) The external air flow is drawn in from the air inlet (gi) of the hollow cover (g) at the rear end of the fan, and directly fills the inside of the hair dryer and passes through the front electric heating device. (B) Blow out. _ 4 · The blade design of the exhaust fan (f) is a flat design, and it also has a curved blade design. ,. 5. The hollow grille cover (g) at the back of the hair dryer is provided with a hard metal mesh to block the entry of foreign objects. ^ From the design analysis of the above-mentioned known hair dryers, the following disadvantages can be obtained: 1 The hair dryer casing (a) is made of heat-resistant material, which has a high cost. 2 · Exhaust fan (f) draws in external air from the inlet (gl) of the hollow grille cover at the back of the hair dryer. The sister directly fills the inside of the hair dryer and sends it forward. A turbulent flow is formed on the blower j, causing the wind speed to weaken, and the turbulence and the hair dryer The internal components are stone, and noise is generated. Asia 3. The exhaust fan (f) is a traditional design blade, with low benefits and high noise. ， Zhongqian plate type Chu piece extraction air effect 4 Good extraction fan (f) is designed for curved blades, although it is more efficient than flat blade extraction, but it does not have the work of accelerating the discharge from the rolling stream = · The noise generated by a certain edge is still high. Temple thick two back 5 pass = on the exhaust fan (f) The blade is designed as a flat blade or an arc-shaped apple with a circular plate 等 with the same diameter as the outer edge of the blade), which not only hinders the direct rear of the air flow Sending, and causing the inflow of air must be board jfi: (j) the outer side can pass backward to $, so it causes air :: air exhaust and reduces the flow space in the back of the air stream, so the exhaust effect ^

I side M257676 V. Creation instructions (3) The increase of sound, turbulence and the overall blower should be effectively offset. 6 · The metal mesh filter (h) provided in the perforated grille cover (g) after the hair dryer must be removed for cleaning of the fluff and dust after a period of use, in order to keep the air flow in and the filtering effect, but This design is not only time consuming and laborious in cleaning up. [Content] This creation is an improvement of a hair dryer. Its creative design features are: a heat-insulating tube made of a heat-resistant material is set on the inner front section of the hair dryer casing,

! The front end of the heat insulation tube protrudes from the front port of the housing, and a wind pipe is connected at the rear end of the heat insulation tube. There is a circle of pressurized air guide inside the air guide tube. The pressurized air guide contains several pressurized air guides. A fan is provided with a motor in the center of the pressurized air guide device. The motor shaft is set to the extraction fan. Each blade of the extraction fan has an oblique angle, and if the curvature of a certain edge is greater than the curvature of the rear edge, the front blade Both the edge and the rear leaf edge are 77-edge leaves, and the length of the outer leaf edge of the leaf is longer than the length of the inner leaf edge. In addition, at the rear port of the hair dryer assembled with a hollow cover at the rear end of the hair dryer, there is a hollow grid surface and a hollow grid. A positioning column protrudes from the center of the stern surface, which can be used for the fixed-drain installation of disposable filters. With these design creations, the following creative effects can be achieved: 1. The heat-resistant material is set by the inner front section of the hair dryer casing. The heat-insulating tube is insulated, and the front end of the heat-insulating tube extends out of the front port of the casing, so the hair dryer is made of heat-resistant material, so the cost is effectively reduced.丨 2. By connecting an air duct at the rear end of the thermal insulation tube, the air duct has a circle of pressure inside the air duct. The pressure air duct includes a number of pressure air ducts. The air flowing into the back row is directly discharged into the heat insulation provided with an electric heating devicea

Page 7 M257676 5. In the description of creation (4), it is not easy to produce turbulent flow, and pressurized flow. The ventilation effect is good, and the exhaust effect is high. Speed, speed, and relative smoothness. 3. Each blade has an oblique sound that is greater than that discarded to T-by the exhaust fan, and the curvature of the leading edge of the blade is generous, and the curvature of the trailing edge of the blade, while the leading edge and the trailing edge ^ At this time, the outer reed β e Luo 丄. 卞, 'both knife edge design', the same length is greater than the length of the inner leaf edge, the effect of improving and reducing noise. To achieve the extraction effect of the exhaust fan 4. The hollowed grid surface of the hair dryer for the hollow grid cover assembly at the back of the hair dryer, in the hollow grid surface: Rear: Bu-Yes-installation of discarded filters and temples to achieve light squeeze Fresh air flow. Don't use a new filter, keep it in good condition [Embodiment] Please refer to the third part of the figure, the "improvement of the hair dryer" in this case. The first two inner parts of the fan housing (1) are set with a heat-resistant material. Break ... = (2), the front end of the heat insulation tube (2) is extended (as shown in the embodiment shown in FIG. 3), and is equal to (as shown in the embodiment shown in FIG. 16) at the front port (11) of the housing, A hollow protective grid (21) is provided at the θ port of the heating tube (2) [the embodiment shown in the figure]. An air guide pipe (3) is connected to the rear end of the heat insulation tube (2), and a pressure air guide device (3 1) is provided inside the air guide pipe (the embodiment shown in Figs. 8 to 11), and the air guide is pressurized. The device (31) includes a plurality of pressurized air deflectors (32), each pressurized air deflector (32) can have a curvature that generates air pressure and is disposed overhead in the center of the pressurized air guide (31) A motor (4) and a suction fan (5). The motor rotating shaft (41) is provided with a suction fan (5), and each blade (51) of the suction fan (5) has an oblique angle [such as the embodiment shown in Figs. 12 to 14]] and

Page 8 M257676 V. Creation instructions (5) The curvature of the leading edge (511) of the blade (51) is greater than the curvature of the trailing edge (512), while the leading edge (5 1 1) and trailing edge (5 丨 2) are both edges Edge design; at the same time, the length of the outer leaf edge (513) of the leaf (5 丨) is greater than the length of the inner leaf edge (514).

II In addition, referring to the example shown in Fig. 15, a hollow grid surface (10 I) and a hollow grid surface (10) ) A positioning column (101) protrudes from the center, which can be used for the positioning and installation of the disposable filter (7), so that the disposable filter (7) can be easily removed through the hollow grille cover (6) at the rear of the hair dryer. Renew and clean another disposable filter (7), which in turn creates the convenience of keeping the fresh air flow clear and time saving. 1 By borrowing these design creations, the following substantial benefits and functions can be produced: 1. Through the heat insulation tube set in the inner front section of the hair dryer casing of this creation, and the W end of the f heat insulation tube extended or at least Such as the design of the front port of the shell, it can ensure that the hair dryer shell is free of heat-resistant materials, so it can effectively reduce the cost significantly. 2. Hunting the air duct connected to the rear end of the thermal insulation tube of this creation, and the pressurized air deflector inside the air duct can make the air drawn by the exhaust fan into the rear row directly increase the pressure and transport it into the submerged, electric heating In the device's thermal insulation tube, the generation of turbulent flow can be reduced. The flow of pressurized air is fast and smooth, and the relative ventilation efficiency is good, and the ventilation efficiency is high. · 3. With this creation; @ > Leaf edge curvature is greater than the back; :: The leaf has a-oblique f angle and the leaf is dipping ... 4 4 I no tea margin curvature, and the front and back leaf edges are both blades The s again leaves of the margin, and the leaf is only δα ^ ^ and the overall length of the outer leaf margin is greater than the inner leaf margin

M257676 V. Creative Instructions (6) i-fan design, can | reduce.丨 4 By blowing hair! There is a hollowed out 丨 offering; good indeed to reach the wind insertion is a fast I work 丨 this j! Want to discard the filter to refresh fresh air, therefore, with the characteristics of speed and convenience, it is indeed a creative project. The smooth flow of the grid surface of the rear end of the machine. "The air volume is smooth and the practical function is general and novel. The hollow grid is installed and the empty space is installed. The efficiency and the smoothness of the hair dryer are improved. The ventilation efficiency is improved. Improved efficiency and noise The effective rear cover of the hair dryer is assembled with a positioning post protruding from the center of the grid surface to ensure that the filter can be easily updated and maintained for practicality. “Improvement” not only has the benefits of a conventional hair dryer, Low-noise functions, clean-up, and technical creation of new patent elements such as technological innovations, advancements, etc., which are not in the same design creation machine as the creation of this case

------ Page 10 M257676 Brief description of the diagram (schematic part) Picture 1 Picture 2 Picture 3 Picture 4 Picture 5 Picture 6 Picture 7 Picture 8 Picture 9 Picture 10 Fig. 11 Fig. 12 Fig. 13 Fig. 14 Fig. 15 Fig. 16 Fig. 16 shows a conventional embodiment. Another conventional embodiment. This creative embodiment. This creation is a thermal insulation tube. Section 5-5 of Figure 4. Left view of Figure 4. Figure 4 right side view. This creative air duct. Section 9-9 of Figure 8. Left view of Figure 8. Figure 8 right side view. This creative exhaust fan. Left view from Figure 12 The right view of Figure 12 This creative filter installation example This creative another embodiment. (Picture part) 1 Hair dryer housing 1 1 Front port 3 Air duct 4 Motor 5 1 1 Front leaf edge 5 1 4 Inner leaf edge 1 0 Hollow grid surface 2 Thermal insulation tube 31 Pressurized air guide device 4 1 Motor rotation Shaft 5 1 2 Rear leaf edge 6 Back end hollow grid cover 1 0 1 Positioning column 21 Protective peach 3 2 Pressurized air guide 5 Extraction fan 5 1 3 Outer leaf edge 7 Filter

Page 11 M257676 Brief description of the diagram a Housing c Heat-insulating material Γ Exhaust fan g 1 Air inlet a 1 Front port of the housing d Inner sleeve f 1 Disc h Metal filter b Electric heating device e Motor g Hollow rear grille cover

Claims (1)

] \ 4257676 case? Tiger 932〇6〇34 6. Scope of patent application 1. A modification of the hair dryer The inner tube of the outer casing of the hair dryer, the front end of the thermal insulation tube extended The pressure range of the grille at the rear end of the pressure duct is set to be greater than the profit range of the rear blade. At least the profit range is provided with the pressure range. The empty range is set. The empty range cover can be highlighted. The front port of the heating material; The air duct, the air guide contains several pressurized motors and a cover to assemble the blower for the blower described in the disposable filter. A blade has a blower assembled in the blower described in item 1. End into a positioning post. The inside of the tube is made with a wind deflector; the fan; the positioning of the rear end of the machine is improved, the oblique angle and the length of the posterior blade edge are improved, the improvement, the improvement, the improvement, the improvement under pressure The air duct provided by the tuyere is provided with 2, such as the design of the front edge of the blower blade 3, such as the thermal insulation tube 4, such as the thermal insulation tube 5, such as the pressure guide 6, such as the air duct, the middle 7, etc. The blower is placed on the thumb plane, added to the wind guide, and blown out to apply for the internal curvature of the interior; at the same time, apply for the front end of the application, apply for the front port, apply for the wind device, and apply for the internal frame. The center of the back end of the application is dedicated. The front part of the front part is connected with a guide device package to set up a hollow grid surface. The fan of the first item can be equal to the first item of the outer edge of the fan. The wind degree of the first item of the 1st wind deflector is the fence of the shell described above. The said one has said one and the ventilated front leaf edge is at the inner leaf blower port. Hair dryer Hair dryer Curvature. The blower fan system is installed with heat insulation and pressurized air outlet. Where ’and the leaves are knives 〇 where the where the where the where the air-guiding device where the hollow Side I Page 13