Tubular electric hair drier with compact structure

Abstract

The utility model provides a tubular electric hair drier with a compact structure, which comprises a shell, an air inlet and an air outlet are respectively arranged at two ends of the shell, the air inlet is communicated with the air outlet through a main air duct, and a control component, a driving component and a heating component are sequentially arranged in the shell along the direction of the air outlet; wherein an electronic element is arranged between the heating assembly and the inner wall of the shell, and the electronic element is wired through the inner wall of the shell, so that the electronic element is suspended beside the inner wall, the occupied space of the main air duct is reduced to the greatest extent, the blown air volume is larger and more uniform, and meanwhile, noise can be reduced; besides, the overall length of the electric hair drier is shortened in a more compact mode that all structures in the shell are connected, and the overall size of the electric hair drier is reduced by adopting the motor with the smaller diameter, so that the electric hair drier is more convenient to grasp, store and carry, and the user experience feeling is higher.

Description

TECHNICAL FIELD

[0001] The utility model belongs to hair care tool technical field, concretely relates to a compact structure's tubular electric hair dryer. BACKGROUND

[0002] Electric hair dryer gradually becomes the tool that domestic life and hairdressing shop cannot do without because of its dry hair and styling function, for the convenience of carrying and storage, the overall modeling of electric hair dryer is no longer limited to the traditional "7" character structure, such as prior art CN219593937U discloses a kind of electric hair dryer with filtering function, its overall structure is "1" character, although it provides convenience in storage, but its outer peripheral wall diameter is 42mm, length is 266mm, overall structure is still relatively bulky, it is inconvenient to grip, so that people's use experience is poor;On the other hand, for the same type of straight cylinder electric hair dryer, too many electronic components are arranged in its body, especially at the air outlet, ion generating end or temperature detector is generally arranged for overheat protection, the fixation of the electronic component needs the aid of other parts, so the fluid blown from the main air duct is blocked to a certain extent, not only the air volume is affected, but also the noise is increased. SUMMARY

[0003] (1) technical problem to be solved

[0004] The utility model provides a compact structure's tubular electric hair dryer, aims at solving the problem of electric hair dryer of prior art, too large, inconvenient to hand, carry and store and the space occupied by parts in main air duct affects air volume.

[0005] (2) technical scheme

[0006] The utility model provides a compact structure's tubular electric hair dryer, including casing, the both ends of casing are equipped with air inlet and air outlet respectively, air inlet with air outlet is communicated through main air duct, the direction of being equipped with control assembly, drive assembly and heating assembly in casing from air inlet to air outlet is gradually set;

[0007] Heating assembly divides main air duct into several flow channels, electronic component is arranged in flow channel, the inner wall of casing in flow channel is equipped with wiring hole, at least one end of electronic component is equipped with lead wire, lead wire extends to control assembly through wiring hole and is connected with control assembly electrically, so that electronic component is hung in main air duct.

[0008] Further, the electronic component is arranged in the flow channel close to the air outlet end.

[0009] Further, the heating assembly comprises a plurality of mica sheets arranged in a central symmetry, and two adjacent mica sheets and the inner wall of the main air duct jointly form the flow channel.

[0010] Further, the mica sheet is provided with an inwardly recessed hollow structure at one end close to the driving assembly, and at least part of the driving assembly extends into the hollow structure to shorten the overall length of the heating assembly and the driving assembly.

[0011] Further, the hollow structure comprises an L-shaped step arranged on the mica sheet at one end close to the driving assembly, and the step abuts against part of the driving assembly to limit and fix the driving assembly.

[0012] Further, the driving assembly comprises a rotating shaft, a magnet, a stator and a fan blade, the magnet is located in the stator, the magnet and the fan blade are fixed on the rotating shaft in sequence, and the stator drives the magnet to rotate after being energized to drive the rotating shaft and the fan blade to rotate synchronously.

[0013] Further, two bearings are further arranged on the rotating shaft, the two bearings are located on the two sides of the magnet respectively, the stator is provided with a bearing mounting cavity, and the bearing is arranged in the bearing mounting cavity.

[0014] Further, the control assembly comprises a main circuit board and a secondary circuit board which are electrically connected to each other, and the secondary circuit board is provided with a key and an adjusting key which are arranged in parallel along the direction of the main air duct in sequence.

[0015] Wherein, a plurality of indicator lights arranged in parallel with the direction of the main air duct are further arranged on one side of the adjusting key, and the indicator lights, the adjusting key and the key are electrically connected to the secondary circuit board.

[0016] Further, the driving assembly is a brushless motor, the diameter of the brushless motor is D1, and 22mm≤D1≤26mm.

[0017] Further, the length of the shell along the direction of the main air duct is L2, and the diameter is D2, wherein 150mm≤L2≤222mm, and 29mm≤D2≤37mm.

[0018] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0019] 1. The electronic components located in the main air duct are wired through the inner wall of the shell, so that the electronic components are hung beside the inner wall, the space occupied by the main air duct is minimized, the air volume is larger and more uniform, the noise is reduced, and the structure is simple.

[0020] 2. The end of the heating assembly close to the driving assembly is provided with an enclosed structure, so that the part of the driving assembly connected with the heating assembly is in the enclosed structure, the structure connection is more compact, thereby shortening the overall length of the hair dryer; in addition, the diameter of the motor used by the driving assembly is 26mm, which is smaller than the diameter of the motor used in the traditional technology, thereby the overall volume of the hair dryer can be reduced, through the reduction of the length and volume, the hair dryer is more convenient to hold, and it is more convenient to store and carry. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the overall structure schematic diagram of the utility model.

[0022] Figure 2 It is the overall structure explosion drawing of the utility model.

[0023] Figure 3 It is the overall structure sectional view of the utility model.

[0024] Figure 4 It is the local enlarged view of the utility model.

[0025] Figure 5 It is the sectional view of different perspective of the utility model.

[0026] Figure 6 It is the structure schematic of the heating assembly of the utility model Figure 1 .

[0027] Figure 7 It is the structure schematic of the heating assembly of the utility model Figure 2 .

[0028] Figure 8 It is the driving assembly structure explosion drawing of the utility model.

[0029] Figure 9 It is the driving assembly sectional view of the utility model.

[0030] Figure 10 It is the structure schematic of the control assembly of the utility model.

[0031] Figure 11 It is the explosion drawing of the structure at the air inlet of the utility model.

[0032] Figure 12 It is the structure schematic at the air outlet of the utility model.

[0033] Reference numerals: 1-Housing, 11-Air inlet, 111-Inner filter, 112-Outer filter, 113-Air inlet, 114-End cap, 115-Cable connector, 12-Air outlet, 121-Protective mesh, 13-Cable routing hole, 14-Upper shell, 15-Lower shell, 16-Inner shell, 17-Allowing groove, 2-Control component, 21-Main circuit board, 22-Secondary circuit board, 23-Power switch, 24-Adjustment key, 25-Indicator light, 3-Drive component 311-Shaft, 312-Magnet, 313-Stator, 3131-Bearing mounting cavity, 314-Fan blade, 315-Bearing, 32-Pipe, 33-Shockproof sleeve, 321-First chamber, 322-Second chamber, 3221-Guide plate, 3222-Guide channel, 4-Heating component, 41-Mica sheet, 42-Enclosure structure, 421-Step, 43-Slot, 5-Main air duct, 51-Flow channel, 6-Electronic component, 61-Wire. Detailed Implementation

[0034] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0035] refer to Figures 1-12 As shown.

[0036] like Figures 1-5The utility model provides a compact structure's tubular electric hair dryer, including casing 1, casing 1 is detachable structure, is assembled by buckle structure or screw thread structure and is formed main air duct 5 by upper shell 14 and lower shell 15, the both ends of casing 1 are equipped with air inlet 11 and air outlet 12 respectively, air inlet 11 with air outlet 12 are connected through main air duct 5, the direction of air inlet 11 to air outlet 12 in casing 1 is equipped with control assembly 2, drive assembly 3 and heating assembly 4 in proper order, control assembly 2, drive assembly 3 and heating assembly 4 are electrically connected between, wherein, heating assembly 4 is adjacent air outlet 12, heating assembly 4 outer periphery is provided with inner shell 16, the inner cavity surrounded by inner shell 16 constitutes the part of main air duct 5, inner shell 16 is located between heating assembly 4 and casing 1 to thereby can make the heat of heating assembly 4 more from air outlet 12 discharge while reducing the temperature of casing 1 surface is too high when product works, heating assembly 4 will its location section main air duct 5 be divided into several flow channel 51, electronic element 6 is equipped in the inner wall surface of inner shell 16 in flow channel 51, the wire hole 13 is equipped on the wall of inner shell 16 and is penetrated, at least one end of electronic element 6 is equipped with wire 61, wire 61 passes wire hole 13 and extends to control assembly 2 and is electrically connected with control assembly 2, makes electronic element 6 hang in main air duct 5. Through the wire 61 of electronic element 6 is arranged between inner shell 16 and casing 1, and the wire 61 of electronic element 6 is fixed in the flow channel 51 near the inner wall side of inner shell 16 with the support of inner shell 16, the space of flow channel 51 is reduced to the maximum, thereby reach the effect of reducing the obstruction to air volume and reducing noise, make the efficiency of dry hair or styling be higher, the experience of user is higher, in addition, the wire 61 can be formed further protection, avoid overheating damage, improve the service life of electric hair dryer. Wherein, electronic element 6 can be ion generation end or temperature control, thermistor and other parts that need to be installed in flow channel 51.

[0037] Further, as Figure 6As shown, the heating assembly 4 includes several mica sheets 41 arranged in a central symmetry, and two adjacent mica sheets 41 and the inner wall of the inner shell 16 together form the flow channel 51. Each mica sheet 41 is provided with a continuous sawtooth clamping groove 43 on the side close to the inner wall of the inner shell 16, which is used to facilitate the winding and fixing of the heating element. When the driving assembly 3 is driven, the temperature of the heating element will gradually rise. Since the mica sheet 41 has good insulation performance and low thermal resistance characteristics, it helps to dissipate heat, which can protect the heating element from overheating and protect the user from the risk of overheating. When the heating element is working, the wind blown from the flow channel 51 passes through the heating element and the mica sheet 41 and flows out of the air outlet 12, which becomes hot air, thereby achieving the effect of drying and styling.

[0038] Further, as shown in the drawings, Figures 3-5 The electronic element 6 is arranged in the flow channel 51 close to one end of the air outlet 12. In order to protect the electronic element 6 from the risk of overheating damage, especially when the electronic element 6 is a temperature control element or other temperature measuring part, the electronic element 6 is arranged in the flow channel 51 close to one end of the air outlet 12, which can be staggered with the position of the heating element to avoid temperature measurement error, so as to more accurately detect whether the temperature of the wind heated after passing through the heating element is too high to prevent the risk of user scalding.

[0039] Further, as shown in the drawings, Figure 7 The mica sheet 41 close to one end of the driving assembly 3 is a concave structure 42, and at least part of the driving assembly 3 extends into the concave structure 42, so as to shorten the overall length of the heating assembly 4 and the driving assembly 3, make the structure more compact, and improve the utilization rate of the internal space of the hair dryer, thereby shortening the longitudinal length of the entire hair dryer and making the hair dryer look smaller and more portable.

[0040] Preferably, the concave structure 42 includes an "L"-shaped step 421 arranged on the mica sheet 41 close to one end of the driving assembly 3, and the step 421 abuts with the part of the driving assembly 3 extending into the concave structure 42, so as to limit and fix the driving assembly 3 to prevent displacement and noise increase due to vibration in use.

[0041] Further, as shown in the drawings, Figure 8As shown, the diameter of the brushless motor is D1, and 22mm≤D1≤26mm. Compared with the brushless motor of the prior art, the diameter of the brushless motor of the utility model is smaller, so that the overall volume of the hair dryer is smaller, facilitating hand holding and carrying storage. When D1<22mm, the air duct in the motor is too small, and the air volume is difficult to meet the demand under the limit of the rotating speed of the motor blade. When D1>26mm, the overall product pipe diameter is increased, which is inconvenient for the general grip requirements of Asian people. When 22mm≤D1≤26mm, the air volume required by the product is ensured, and the ergonomic requirements of Asian people are also considered. Specifically, the brushless motor comprises a pipe passage 32 in communication with the main air duct 5, a first chamber 321 and a second chamber 322 are arranged in the pipe passage 32, a stator 313, a rotating shaft 311, a magnet 312 and a blade 314 are arranged in the first chamber 321, the magnet 312 is arranged in the stator 313, the magnet 312 and the blade 314 are sequentially fixed on the rotating shaft 311, the stator 313 drives the magnet 312 to rotate after being energized, so as to drive the rotating shaft 311 and the blade 314 to rotate synchronously, and the blade 314 is arranged at one end close to the control assembly 2.

[0042] Specifically, as shown in the drawings, Figure 9 Two bearings 315 are further arranged on the rotating shaft 311, and the two bearings 315 are arranged on the two sides of the magnet 312 to balance and fix.

[0043] Further, as shown in the drawings, Figure 8 A plurality of guide plates 3221 are fixedly arranged in the second chamber 322, the guide plates 3221 divide the main air duct 5 into a plurality of guide channels 3222, and the guide channels 3222 are in communication with the main air duct 5 and the flow channel 51. When working, the magnet 312 and the rotating shaft 311 of the driving assembly 3 rotate under the action of the stator 313, which synchronously drives the blade 314 to rotate, the wind generated by the rotation of the blade 314 flows from the guide channel 3222 to the flow channel 51, and finally flows out from the air outlet 12.

[0044] It should be noted that, as shown in the drawings, Figure 6 In the utility model embodiment, the inner shell 16 is consistent with the inner wall of the shell 1, the heating assembly 4 and the driving assembly 3 are arranged in the inner shell 16 to realize the purposes of heat insulation and noise reduction, wherein a shockproof sleeve 33 is further arranged on the outer peripheral wall of the driving assembly 3, which is used for reducing the noise generated by the driving assembly 3 in the use state due to vibration, and improving the experience of users.

[0045] Further, as Figure 10 shown, the control assembly 2 comprises a main circuit board 21 and a secondary circuit board 22 which are electrically connected to each other, the main circuit board 21 and the secondary circuit board assembly 22 are arranged above and below each other and extend along the direction of the main air duct 5, a larger circuit board can be divided into two parts by the circuit boards arranged above and below each other and parallel along the direction of the main air duct 5, thereby reducing the transverse volume of the hair dryer, facilitating easy gripping and use by the hand, the length and width of the main circuit board 21 are greater than the length and width of the secondary circuit board assembly 22. Among them, the on-off key 23 and the adjustment key 24 are arranged in sequence on the secondary circuit board 22, the on-off key 23 and the adjustment key 24 are arranged in sequence in the longitudinal direction of the flow direction of the main air duct 5, so that the space layout is more reasonable, and the shell 1 is provided with a avoiding groove 17 corresponding to the position of the on-off key 23 and the adjustment key 24, the on-off key 23 and the adjustment key 24 partially pass through the avoiding groove 17 and extend to the outside of the shell 1, and the top of the on-off key 23 can be flush with the surface of the avoiding groove 17 and the shell 1, and the function of the key can be realized.

[0046] In the embodiment of the utility model, the on-off key 23 is a push key moving along the direction of the air inlet 11 and the air outlet 12, and the start and stop of the whole hair dryer can be controlled by moving forward and backward, the adjustment key 24 is a key pressed in the direction of the main circuit board 21, different modes can be switched by pressing the adjustment key 24, such as cold air, hot air, low speed, medium speed and high speed, in order to facilitate the user to confirm the selected mode, a plurality of indicator lights 25 are arranged in sequence in the longitudinal direction of the flow direction of the main air duct 5 on one side of the adjustment key 24, a plurality of the indicator lights 25 are not on the longitudinal axis L1 of the on-off key 23 and the adjustment key 24 but are distributed on the left side or the right side of the longitudinal axis L1 of the on-off key 23 and the adjustment key 24, further shorten the length of the product in the longitudinal direction, the indicator light 25, the adjustment key 24 and the on-off key 23 are electrically connected with the secondary circuit board 22, each of the indicator lights 25 corresponds to each different mode, so that the user can intuitively and clearly select the mode he needs. In this embodiment, since the shell 1 is a tubular structure, the top of the indicator light 25 is a bevel structure matched with the outer surface of the shell 1 and abuts flat with the outer surface of the shell 1, so that the whole hair dryer is more beautiful.

[0047] Further, as Figure 11As shown, the air inlet 11 is consistent with the shape of the shell 1, and both are tubular structures, wherein the air inlet 11 includes an inner filter screen 111 provided with an open end and an outer filter screen 112 sleeved outside the inner filter screen 111, a plurality of hexagonal honeycomb or circular air inlets 113 are formed on the peripheral wall of the outer filter screen 112, and the air inlet 113 of the inner filter screen 111 is smaller than the air inlet 113 of the outer filter screen 112, so that the air is filtered, and too small foreign matter or hair is prevented from being sucked into the hair dryer, thereby improving the service life of the hair dryer, and in addition, the area ratio of the air inlet 113 to the peripheral wall of the outer filter screen 112 is maximized to improve the air inlet efficiency and air inlet amount.

[0048] It should be noted that the outer filter screen 112 and the inner filter screen 111 are provided with an end cover 114 on the other open end away from the air outlet 12, the end cover 114 is screwed with the outer filter screen 112 and is sleeved on the peripheral wall of the outer filter screen 112, wherein the end cover 114 is provided with a cable connector 115, the cable connector 115 passes through the end cover 114 and extends into the main air duct 5 and is electrically connected with the control assembly 2, and a plurality of hexagonal honeycomb or circular air inlets 113 are formed on the end cover 114, which can further improve the air inlet efficiency and air inlet amount.

[0049] Preferably, as Figure 12 As shown, the air outlet 12 is provided with a protective net 121 at one end, the material of the protective net 121 can be iron, stainless steel and the like, the setting of the protective net 121 can prevent foreign matter from entering from the air outlet 12, and can also avoid the case that the user accidentally touches the heating assembly 4 through the air outlet 12 to cause scalding.

[0050] Further, the length of the shell 1 along the direction of the main air duct 5 is L2, and the diameter is D2, wherein 150mm≤L2≤222mm, 29mm≤D2≤37mm, compared with the existing technology of the hair dryer, the whole is relatively short and thin, and is more convenient for the user to hold, carry and store.

[0051] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and the person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that can be understood by the person skilled in the art.

[0052] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A compact structure tubular electric hair dryer, characterized by, The application relates to a shell (1) which is provided with an air inlet (11) and an air outlet (12) at two ends respectively, the air inlet (11) and the air outlet (12) are communicated through a main air duct (5), and the shell (1) is sequentially provided with a control assembly (2), a driving assembly (3) and a heating assembly (4) from the air inlet (11) to the air outlet (12) in the shell (1). The heating assembly (4) divides the main air duct (5) into a plurality of flow channels (51), the flow channels (51) are provided with electronic elements (6), the inner wall of the shell (1) in the flow channels (51) is provided with wiring holes (13), at least one end of the electronic elements (6) is provided with wires (61), the wires (61) extend to the control assembly (2) through the wiring holes (13) and are electrically connected with the control assembly (2), and the electronic elements (6) are hung in the main air duct (5).

2. A compact tubular electric hair dryer according to claim 1, characterized in that, The electronic elements (6) are arranged at one end of the flow channels (51) close to the air outlet (12).

3. A compact tubular electric hair dryer according to claim 2, characterized in that, The heating assembly (4) comprises a plurality of center-symmetrical mica sheets (41), and the flow channels (51) are formed by the mica sheets (41) and the inner wall of the main air duct (5) together.

4. A compact tubular electric hair dryer according to claim 3, characterized in that, The mica sheet (41) is provided with an inwardly recessed empty structure (42) at one end close to the driving assembly (3), and at least part of the driving assembly (3) extends into the empty structure (42), so that the overall length of the heating assembly (4) and the driving assembly (3) is shortened.

5. A compact tubular electric hair dryer according to claim 4, characterized in that, The empty structure (42) comprises an 'L' shaped step (421) arranged on the mica sheet (41) at one end close to the driving assembly (3), the step (421) is in abutment with part of the driving assembly (3), and is used for limiting and fixing the driving assembly (3).

6. A compact structure tubular electric hair dryer according to claim 1, wherein The driving assembly (3) comprises a rotating shaft (311), a magnet (312), a stator (313) and a fan blade (314), the magnet (312) is located in the stator (313), the magnet (312) and the fan blade (314) are sequentially fixedly sleeved on the rotating shaft (311), and the stator (313) drives the magnet (312) to rotate after being electrified, so as to drive the rotating shaft (311) and the fan blade (314) to synchronously rotate.

7. A compact tubular electric hair dryer according to claim 6, characterized in that, Two bearings (315) are further sleeved on the rotating shaft (311), the two bearings (315) are located at two sides of the magnet (312) respectively, and the stator (313) is provided with a bearing mounting cavity (3131), and the bearings (315) are mounted in the bearing mounting cavity (3131).

8. A compact structure tubular electric hair dryer according to claim 1, wherein The control assembly (2) comprises a main circuit board (21) and a secondary circuit board (22) which are electrically connected with each other, the secondary circuit board (22) is sequentially provided with a key (23) and an adjusting key (24) which are arranged in parallel along the direction of the main air duct (5). Wherein, on one side of the adjusting key (24), a plurality of indicator lights (25) are arranged in parallel with the direction of the main air duct (5), the indicator lights (25), the adjusting key (24) and the on-off key (23) are electrically connected with the secondary circuit board (22).

9. A compact structure tubular electric hair dryer according to claim 1, wherein The driving assembly (3) is a brushless motor, the diameter of the brushless motor is D1, and 22mm≤D1≤26mm.

10. A compact tubular electric hair dryer according to claim 9, characterized in that, The length of the shell (1) along the direction of the main air duct (5) is L2, and the diameter is D2, wherein 150mm≤L2≤222mm, and 29mm≤D2≤37mm.

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