Hair dryer heating mechanism and heating method thereof

Abstract

This invention discloses a hair dryer heating mechanism and its usage method, including a support part, a heating part, and a protective cover. The support part is configured as an annular hollow bracket, with a snap-fit ​​part on the outer circumference of the annular hollow bracket. The heating part includes fixing plates, with multiple fixing plates circumferentially fixed to the snap-fit ​​part. A heating wire is wound circumferentially around the fixing plates. The protective cover is fitted around the outer circumference of the support part and the heating part, and has an air inlet connected to the air inlet channel of the hair dryer. The annular hollow bracket is hollowed out, and the inner space of the annular hollow bracket is connected to the air outlet of the hair dryer. This invention improves the heating mechanism so that the airflow rotates within the cylindrical cavity. Due to the kinetic energy of the airflow, it is ejected from the central annular slit. During the internal rotation of the airflow, it ensures that the heating wire receives air evenly, and the heat dissipation efficiency of each component is consistent, thereby improving the service life of the heating wire.

Description

Technical Field

[0001] The invention belongs to the technical field of hair dryers, and in particular relates to a hair dryer heating mechanism and a heating method thereof. Background Art

[0002] The hair dryer is composed of a set of electric heating wires and a small high-speed fan. When powered on, the electric heating wires will generate heat, and the wind blown by the fan will become hot air after passing through the electric heating wires. If only the small fan rotates, but the electric heating wires are not hot, then the air blown out is just wind without heat.

[0003] The current hair dryer heating mechanism is cylindrical, with air inlet at one end and air outlet at the other end. The biggest disadvantage of this structure is that the central axis of the airflow and the central axis of the heating mechanism do not coincide, which can easily cause uneven wind flow inside, and then cause the local temperature of the internal heating wire to be too high. Once the local temperature inside is too high: the local heating wire will turn red and burn out easily, and the product life will be significantly shortened; and the local temperature is too high, which can easily damage the outer shell and accelerate the aging of internal components. Summary of the invention

[0004] In order to overcome the shortcomings of the prior art, the present invention provides a hair dryer heating mechanism and a heating method thereof. By improving the heating mechanism, the airflow is allowed to rotate in a cylindrical cavity. Due to the kinetic energy of the airflow, the airflow is ejected from the middle annular slit. During the internal rotation of the airflow, it can be ensured that the heating wire is evenly exposed to the wind, and the heat dissipation efficiency of each component is consistent, thereby increasing the service life of the heating wire.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: a hair dryer heating mechanism, comprising a supporting part, a heating part and a protective cover, the supporting part is configured as an annular hollow bracket, a clamping part is arranged on the outer circumference of the annular hollow bracket, the heating part comprises a fixing plate, a plurality of fixing plates are circumferentially fixed to the clamping part, a heating wire is circumferentially wound on the fixing plate, the protective cover is sleeved on the supporting part and the outer circumference of the heating part, an air inlet is arranged on the protective cover, and is connected with the air inlet channel of the hair dryer, the annular hollow bracket is hollowed out, and the inner space of the annular hollow bracket is connected with the air outlet of the hair dryer.

[0006] Preferably, the fixing sheet is a mica sheet.

[0007] Preferably, the fixing plate is sheet-shaped, the lower end of the fixing plate includes two fixing ends, which are connected and fixed to the clamping part, a U-shaped groove or a large area hollowing is arranged between the two fixing ends, and a serrated structure is arranged on the upper end of the fixing plate for winding the heating wire.

[0008] Preferably, the annular hollow bracket is a mica bracket, including a first support ring and a second support ring located at both ends, a connecting column is arranged between the first support ring and the second support ring, and a large area is hollowed out between the connecting columns.

[0009] Preferably, the first support ring and the second support ring are provided with clamping parts in pairs on their outer circumferences, and the clamping parts include a first protrusion and a second protrusion, and a clamping groove for clamping the fixing plate is formed between the first protrusion and the second protrusion.

[0010] Preferably, the number of the connecting columns is four, two of which are of greater width, and fixing holes are provided inside the columns for fixing the temperature protection switch and the fuse.

[0011] Preferably, eight clamping parts are respectively provided at two ends of the outer side of the annular hollow bracket and are evenly arranged around the circumference.

[0012] Preferably, the protective cover is a mica protective cover, and a U-shaped opening is provided on one side of the mica protective cover, and the U-shaped opening is an air inlet.

[0013] A novel hair dryer heating mechanism and a heating method thereof, comprising the following steps: air sucked from an air inlet channel of the hair dryer enters through an air inlet on a protective cover, is uniformly heated by a circumferentially arranged heating wire under the guiding action of the protective cover and a hair dryer shell, is released toward an inner ring of the annular hollow support through large-area hollowing of a fixing plate and an annular hollow support, is guided by a hair dryer shell placed in the inner ring space of the annular hollow support, and is blown out through an air outlet of the hair dryer.

[0014] Compared with the prior art, the present invention can achieve the following beneficial effects:

[0015] 1. By improving the heating mechanism, the airflow rotates in the cylindrical cavity. Due to the kinetic energy of the airflow, the airflow is ejected from the middle annular slit. During the internal rotation of the airflow, the heating wire can be evenly exposed to the wind, and the heat dissipation efficiency of each component is consistent, thereby increasing the service life of the heating wire;

[0016] 2. By evenly distributing the wind to the heating wire, the heat on the heating wire can be carried away by the airflow with maximum efficiency, which can achieve fast and efficient heating, effectively reduce energy consumption, and thus improve the practicality of the hair dryer when used. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view of the present invention;

[0018] Figure 2 It is a schematic diagram of the three-dimensional structure of the present invention;

[0019] Figure 3 It is a schematic structural diagram of the protective cover 3 of the present invention;

[0020] Figure 4 It is a schematic structural diagram of the support part 1 and the heating part 2 of the present invention;

[0021] Figure 5 It is a schematic structural diagram of the fixing plate 5 of the present invention;

[0022] Figure 6 It is a schematic structural diagram of other embodiments of the present invention.

[0023] Among them: 1. Support part; 1a. First support ring; 1b. Second support ring; 2. Heating part; 3. Protective cover; 4. Air inlet; 5. Fixing plate; 51. Fixed end; 52. U-shaped groove; 53. Serrated structure; 6. Clamping part; 61. First protrusion; 62. Second protrusion; 7. Clamping groove; 8. Connecting column; 9. Limiting groove; 10. Fixing hole; 11. Spring; 12. Spring cavity; 13. Slide groove; 14. Slide rod; 15. Limiting block. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work all belong to the protection scope of the present invention. The experimental methods in the following embodiments, unless otherwise specified, are conventional methods, and the materials, reagents, etc. used in the following embodiments, unless otherwise specified, can all be obtained from commercial channels.

[0025] Embodiment:

[0026] like Figure 1-5 As shown, a hair dryer heating mechanism comprises a support part 1, a heating part 2 and a protective cover 3, wherein the protective cover 3 is a mica protective cover, and a U-shaped opening is arranged on one side of the mica protective cover, and the U-shaped opening is an air inlet 4. The heating part 2 comprises a fixing plate 5. The support part 1 is arranged as an annular hollow bracket, and a clamping part 6 is arranged on the outer circumference of the annular hollow bracket. The annular hollow bracket is a mica bracket, comprising a first support ring 1a and a second support ring 1b located at both ends, and a connecting column 8 is arranged between the first support ring 1a and the second support ring 1b, and a large area is hollowed out between the connecting columns 8. There are four connecting columns 8, of which two connecting columns 8 are relatively wide, and a fixing hole 10 is opened inside the pillar for fixing the temperature protection switch and the fuse. Eight pairs of clamping parts 6 are arranged in pairs on the outer circumference of the first support ring 1a and the second support ring 1b, and the circumference is evenly arranged. The clamping part 6 comprises a first protrusion 61 and a second protrusion 62, and a clamping groove 9 for clamping the fixing plate 5 is formed between the first protrusion 61 and the second protrusion 62.

[0027] The fixing sheet 5 is a mica sheet. The lower end of the fixing sheet 5 includes two fixing ends 51, which are connected and fixed to the clamping part 6. The two fixing ends 51 are in a protruding stepped shape. A U-shaped groove 52 is arranged between the two fixing ends 51. A serrated structure 53 is arranged at the upper end of the fixing sheet 5 for winding the heating wire. The serrated structure 53 is arranged to facilitate winding the heating wire, thereby improving the stability of the heating wire. The protective cover 3 is sleeved on the outer circumference of the supporting part 1 and the heating part 2. The air inlet 4 is arranged on the protective cover 3, which is connected to the air inlet channel of the hair dryer. The annular hollow bracket is hollowed out, and the inner space of the annular hollow bracket is connected to the air outlet of the hair dryer.

[0028] Under the action of the heating mechanism, the heating wire generates heat, which is blown by the hair dryer driving mechanism to form hot air. When the driving mechanism rotates, the external air enters the interior of the annular hollow bracket through the air inlet of the shell and the air inlet 4 of the protective cover 3, rotates in the annular cavity of the annular hollow bracket, and is ejected from the middle annular injection port under the action of wind pressure. During the operation of this airflow, the airflow is evenly distributed in the annular cavity, which can ensure that the various components of the heating wire 7 are evenly exposed to wind. The annular hollow bracket and the protective cover 3 are insulating and heat-insulating layers between the heating wire and the hair dryer shell, which play a role in protecting the hair dryer shell from high temperature burns. The U-shaped groove 52 is opened in the middle of the fixing plate 5 to ensure that the airflow can rotate along the annular inner cavity. This U-shaped groove 52 can effectively reduce the wind resistance of the rotation and reduce the wind pressure loss. Through the above settings, it can be ensured that the heating wire is evenly exposed to wind, the heat dissipation efficiency of each component is consistent, thereby increasing the service life of the heating wire, and when the electric heating wire is evenly exposed to wind, the heat on the heating wire can be taken away by the airflow with the maximum efficiency, which can achieve fast and efficient heating, effectively reduce energy consumption, and thereby improve the practicality of the hair dryer when in use.

[0029] The heating method of this embodiment is as follows: the air sucked into the air inlet channel of the hair dryer enters through the air inlet on the protective cover, is evenly heated by the circumferentially arranged heating wire under the guiding action of the protective cover and the hair dryer shell, is released to the inner ring of the annular hollow bracket through the large-area hollowing of the fixing plate and the annular hollow bracket, is guided by the hair dryer shell placed in the inner ring space of the annular hollow bracket, and the hot air is blown out through the air outlet of the hair dryer.

[0030] like Figure 6 As shown, in other embodiments, spring cavities 12 are provided on both sides of the interior of the slot 7, a spring 11 is arranged inside the spring cavity 12, a slide groove 13 is provided on the top of the slot 7, a slide rod 14 is slidably connected inside the slide groove 13, one end of the slide rod 14 is fixedly connected to a limiting block 15, a fixing plate 5 is snap-fittedly connected inside the slot 7, and limiting grooves 9 are provided on both sides of the fixing plate 5.

[0031] In other embodiments, one end of the spring 11 is fixedly connected to one side of the interior of the spring cavity 12, and the other end of the spring 11 is fixedly connected to one side of the slide rod 14; through the elastic deformation of the spring 16, the limit block 15 is pushed, so that the limit block 15 and the limit groove 9 are more firmly engaged.

[0032] In other embodiments, the limiting groove 9 and the limiting block 15 are connected by snap-fitting, and the top of the limiting block 15 is set in a rectangular shape; through the snap-fitting setting, the limiting groove 9 and the limiting block 15 are snap-fitted more stably.

[0033] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0034] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A hair dryer heating mechanism, characterized in that: The invention comprises a supporting part, a heating part and a protective cover, wherein the supporting part is arranged as an annular hollow bracket, a clamping part is arranged on the outer circumference of the annular hollow bracket, the heating part comprises a fixing sheet, a plurality of fixing sheets are fixed on the circumference of the clamping part, a heating wire is wound around the circumference of the fixing sheet, the protective cover is sleeved on the supporting part and the outer circumference of the heating part, an air inlet is arranged on the protective cover, and the air inlet is connected with the air inlet channel of the hair dryer, the annular hollow bracket is hollowed out, and the inner ring space of the annular hollow bracket is connected with the air outlet of the hair dryer; the fixing sheet is sheet-shaped, and the lower end of the fixing sheet comprises two fixing ends, which are connected and fixed with the clamping part, and a U is arranged between the two fixing ends. The annular hollow bracket is a mica bracket, comprising a first support ring and a second support ring at both ends, a connecting column is arranged between the first support ring and the second support ring, and a hollow is arranged between the connecting columns; the first support ring and the second support ring are provided with a clamping part in pairs on the outer circumference, and the clamping part comprises a first protrusion and a second protrusion, and a clamping groove for clamping the fixing plate is formed between the first protrusion and the second protrusion.

2. A hair dryer heating mechanism according to claim 1, characterized in that: The fixing sheet is a mica sheet.

3. A hair dryer heating mechanism according to claim 1, characterized in that: The connecting posts are arranged in four numbers, and fixing holes are provided inside the connecting posts for fixing the temperature protection switch and the fuse.

4. A hair dryer heating mechanism according to claim 1, characterized in that: Eight clamping parts are respectively arranged at two ends of the outer side of the annular hollow bracket and are evenly arranged around the circumference.

5. A hair dryer heating mechanism according to claim 1, characterized in that: The protective cover is a mica protective cover, and a U-shaped opening is arranged on one side of the mica protective cover, and the U-shaped opening is an air inlet.

6. A hair dryer heating method, characterized in that: The hair dryer heating mechanism according to any one of claims 1 to 5 comprises the following steps: the air sucked in from the air inlet channel of the hair dryer enters through the air inlet on the protective cover, is evenly heated by the circumferentially arranged heating wires under the guiding action of the protective cover and the hair dryer casing, is released toward the inner ring of the annular hollow bracket through the large-area hollowing out of the fixing plate and the annular hollow bracket, is guided by the hair dryer casing placed in the inner ring space of the annular hollow bracket, and is blown out through the air outlet of the hair dryer.

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