Double-motor hair dryer

Abstract

The utility model discloses a double-motor hair drier which comprises an air cylinder outer shell, a handle inner shell, an electric heating wire support cylinder, an electric heating wire assembly, a motor support, a first motor, a second motor, a first air channel and a second air channel. A net cover is arranged in the center of a rear panel of the air duct shell. An air inlet is formed in the lower portion of the handle inner shell. The first motor is arranged in the handle inner shell. The first air channel is the air channel where the first motor is located. The heating wire support cylinder comprises a first side wall, an air guide wall, a second side wall and an air outlet hole. The electric heating wire assembly is arranged between the first side wall and the second side wall. The motor support comprises a first partition plate, a supporting frame and a fixing plate. The second motor is arranged in the supporting frame. The second air channel is the air channel where the second motor is located. According to the utility model, the blower with double motors is designed by utilizing the characteristics of the internal space structure of the blower, so that the noise and vibration of the blower are reduced while the air speed and the air volume of the blower are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of household appliances, in particular to a hair dryer with double motors. Background Art

[0002] Whether it is a traditional hair dryer with a motor installed in the air cylinder or a high-speed hair dryer with a motor installed in the handle, generally only one motor is installed. When the hair dryer needs to increase the wind speed and air volume, only the speed of a single motor can be increased. Therefore, if the wind speed and air volume are to be increased to a certain value, it may be necessary to use an expensive high-speed motor. Although the use of a high-speed motor can increase the wind speed and air volume, it will also bring disadvantages such as large vibration and noise. Summary of the invention

[0003] The technical problem to be solved by the utility model is to increase the wind speed and wind volume of the hair dryer while reducing the noise of the hair dryer as much as possible during operation.

[0004] In order to solve the above technical problems, the utility model provides a double-motor hair dryer, characterized in that it includes a wind tube shell, a handle inner shell, a heating wire support tube, a heating wire assembly, a motor support, a first motor, a second motor, a first air duct, and a second air duct. A mesh cover is arranged at the center of the rear panel of the wind tube shell. An air inlet is arranged at the lower part of the handle inner shell. The first motor is arranged in the handle inner shell. The heating wire support tube includes a first side wall, an air guide wall, a second side wall and an air outlet. The second side wall is the outer side wall of the heating wire support tube. The first side wall is arranged inside the second side wall. An air guide wall is arranged at the bottom of the first side wall. The heating wire support tube is arranged on the front panel between the first side wall and the second side wall. The heating wire support tube is arranged in the wind tube shell. The heating wire assembly is arranged between the first side wall and the second side wall. The first air duct is the air duct where the first motor is located. The second air duct is the air duct where the second motor is located. The handle inner shell, the heating wire support tube, the motor support and the air tube outer shell together form the first air duct and the second air duct. The motor support includes a first partition plate and a support frame. The rear of the support frame is connected to the mesh cover. The second motor is arranged in the support frame.

[0005] Furthermore, the wind guide wall is a curved wall or a conical wall.

[0006] Furthermore, a first annular groove is provided on the outer surface of the first side wall.

[0007] Furthermore, a second annular groove is provided on the inner surface of the second side wall of the heating wire support tube.

[0008] Furthermore, the motor bracket also includes a fixing plate, and the fixing plate is connected to the air cylinder housing.

[0009] Furthermore, the first partition is in the shape of a hollow frustum or a hollow cylinder.

[0010] Furthermore, a third annular groove is provided on the inner surface of the support frame.

[0011] Furthermore, the front portion of the first partition is connected to the heating wire assembly.

[0012] Furthermore, a third air duct is included, in which the airflows of the first air duct and the second air duct meet.

[0013] Furthermore, the motor bracket includes an air guide plate and a second partition plate.

[0014] Furthermore, the rear panel of the air duct housing is also provided with supporting ribs.

[0015] The beneficial effects of the utility model are as follows: by utilizing the internal structural characteristics of the hair dryer, a double-motor hair dryer is designed, which increases the wind speed and air volume while reducing the vibration and noise during the operation of the hair dryer. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 It is an AA cross-sectional view of the first embodiment of the utility model.

[0018] Figure 3 It is an AA cross-sectional view of the second embodiment of the utility model.

[0019] Figure 4 It is a BB cross-sectional view of the second embodiment of the utility model.

[0020] Explanation of the numbers in the figure: 1. Air duct shell; 10. Mesh cover; 11. Support ribs; 2. Handle inner shell; 20. Air inlet; 3. Heating wire support tube; 31. First side wall; 32. Air guide wall; 33. First annular groove; 34. Second side wall 35. Second annular groove; 36. Air outlet; 4. Heating wire assembly; 5. Motor support; 50. Air guide plate; 51. Support frame; 52. Fixed plate; 53. First partition plate; 54. Second partition plate; 55. Third annular groove; 6. First motor; 7. Second motor; 8. First air duct; 9. Second air duct; 101. Third air duct. DETAILED DESCRIPTION

[0021] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0022] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0024] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0026] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0027] First and second embodiments: refer to Figures 1 to 4 As shown, an embodiment of a double-motor hair dryer of the utility model comprises a hair dryer shell 1, a handle inner shell 2, a heating wire support tube 3, a heating wire assembly 4, a motor support 5, a first motor 6, a second motor 7, a first air duct 8, and a second air duct 9. A mesh cover 10 is arranged at the center of the rear panel of the hair dryer shell 1. An air inlet 20 is arranged at the lower part of the handle inner shell 2. The first motor 6 is arranged in the handle inner shell 2. The heating wire support tube 3 comprises a first side wall 31, an air guide wall 32, a second side wall 34, and an air outlet 36. The second side wall 34 is the outer side wall of the heating wire support tube 3. The first side wall 31 is arranged inside the second side wall 34. The bottom of the first side wall 31 is provided with an air guide wall 32. The front panel of the heating wire support tube 3 located between the first side wall 31 and the second side wall 34 is provided with an air outlet 36. The heating wire support tube 3 is arranged inside the hair dryer shell 1.

[0028] The air guide wall 32 is a curved wall or a conical wall.

[0029] The outer surface of the first side wall 31 is provided with a first annular groove 33. The inner surface of the second side wall 34 is provided with a second annular groove 35. The first annular groove 33 and the second annular groove 35 are used to fix the heating wire assembly 4.

[0030] The heating wire assembly 4 is disposed between the first side wall 31 and the second side wall 34 .

[0031] The first air duct 8 is the air duct where the first motor 6 is located. The second air duct 9 is the air duct where the second motor 7 is located. The handle inner shell 2, the heating wire support tube 3, the motor support 5 and the air cylinder outer shell 1 together constitute the first air duct 8 and the second air duct 9.

[0032] The rear panel of the air duct housing 1 is further provided with supporting ribs 11 , and the function of the supporting ribs 11 is to fix the second motor 7 .

[0033] First embodiment: refer to Figure 1 and Figure 2As shown, an embodiment of a double-motor hair dryer of the utility model further includes a third air duct 101. In the third air duct 101, the airflows of the first air duct 8 and the second air duct 9 intersect. The motor bracket 5 includes a first baffle 53, a support frame 51, and a fixing plate 52. The function of the first baffle 53 is to isolate the airflows of the first air duct 8 and the second air duct 9 to prevent the two mutually perpendicular airflows from canceling each other out. The first baffle 53 is in the shape of a hollow truncated cone or a hollow cylinder, and a third annular groove 55 is provided on the inner surface. The function of the third annular groove 55 is to fix the second motor 7. The rear part of the support frame 51 is connected to the mesh cover 10. The front part of the first baffle 53 is connected to the heating wire assembly 4. The fixing plate 52 is connected to the hair dryer housing 1. The second motor 7 is arranged in the support frame 51.

[0034] Second embodiment: Reference Figure 1 , Figure 3 and Figure 4 As shown, an embodiment of a hair dryer with two motors of the utility model, the motor bracket 5 includes an air guide plate 50, a support frame 51, a first air duct baffle plate 53, a second air duct baffle plate 54, and a fixing plate 52. The function of the air guide plate 50 is to guide the airflow generated by the second motor 7 to the air duct at the upper part of the air duct. The function of the first air duct baffle plate 53 is to isolate the airflow generated by the first motor 6 from the airflow generated by the second motor 7. The function of the second air duct baffle plate 54 is to limit the airflow generated by the first motor 6 to the air duct at the lower part of the air duct, and limit the airflow generated by the second motor 7 to the air duct at the upper part of the air duct.

[0035] The above-described embodiments are only preferred embodiments for fully illustrating the present utility model, and the protection scope of the present utility model is not limited thereto. Equivalent substitutions or changes made by technicians in the technical field on the basis of the present utility model are all within the protection scope of the present utility model. The protection scope of the present utility model shall be subject to the claims.

Claims

1. A dual-motor hair dryer, characterized in that: The invention comprises a hair dryer outer shell (1), a handle inner shell (2), a heating wire support tube (3), a heating wire assembly (4), a motor support (5), a first motor (6), a second motor (7), a first air duct (8), and a second air duct (9); a mesh cover (10) is arranged at the center of the rear panel of the hair dryer outer shell (1); an air inlet (20) is arranged below the handle inner shell (2); the first motor (6) is arranged in the handle inner shell (2) and is located in the first air duct (8); the heating wire support tube (3) comprises a first side wall (31), an air guide wall (32), a second side wall (34), and an air outlet (36); the second side wall (34) is the outer side wall of the heating wire support tube (3); The first side wall (31) is arranged inside the second side wall (34); an air guide wall (32) is arranged at the bottom of the first side wall (31); an air outlet hole (36) is arranged on the front panel of the heating wire support tube (3) located between the first side wall (31) and the second side wall (34); the heating wire support tube (3) is arranged inside the air duct housing (1); the heating wire assembly (4) is arranged between the first side wall (31) and the second side wall (34); the motor support (5) comprises a support frame (51); the rear part of the support frame (51) is connected to the mesh cover (10); the second motor (7) is arranged in the support frame (51) and is located in the second air duct (9).

2. The dual-motor hair dryer according to claim 1, characterized in that: The motor bracket (5) further comprises a first partition plate (53), wherein the first partition plate (53) separates the first air duct (8) from the second air duct (9).

3. The dual-motor hair dryer according to claim 2, characterized in that: It also comprises a third air duct (101); in the third air duct (101), the airflows of the first air duct (8) and the second air duct (9) meet.

4. The dual-motor hair dryer according to claim 3, characterized in that: The motor bracket (5) further comprises a fixing plate (52), wherein the fixing plate (52) is connected to the wind cylinder housing (1).

5. The dual-motor hair dryer according to claim 1, characterized in that: The motor bracket (5) further comprises a first partition plate (53) and a second partition plate (54), wherein the first partition plate (53) and the second partition plate (54) together separate the first air duct (8) and the second air duct (9).

6. The dual-motor hair dryer according to claim 5, characterized in that: The motor bracket (5) further comprises an air guide plate (50), wherein the air guide plate (50) is arranged on the inner side surface of the first partition plate (53).

7. The dual-motor hair dryer according to claim 6, characterized in that: The inner surface of the air guide plate (50) is a conical surface or a curved surface.

8. The dual-motor hair dryer according to claim 6, characterized in that: The motor bracket (5) further comprises a fixing plate (52), wherein the fixing plate (52) is connected to the wind cylinder housing (1).

9. The dual-motor hair dryer according to claim 1, characterized in that: The wind guide wall (32) is a spherical surface, a curved surface, or a conical surface.

10. The dual-motor hair dryer according to claim 1, characterized in that: The rear panel of the air duct housing (1) is also provided with supporting ribs (11).

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