CN217885334U - Motor and hair dryer - Google Patents

Abstract

The utility model discloses a motor and hair drier, the motor includes casing and stator, the casing includes first shell, second shell and connects first shell and a plurality of first blades of second shell, form the air current passageway between first shell and the second shell, the stator includes main part and a plurality of second blades connected with the main part; the main body part is nested in the outer ring of the second shell part, and the guide vane is fixed on the shell; one end of the second blade, which is far away from the main body part, is fixedly connected with the inner wall of the first shell part. Through optimizing the mode of stator, make the blade of stator and motor casing relatively fixed, improve resonance frequency, avoid the resonance area to effectively reduce the noise, prolong the motor life-span, have wide application prospect.

Description

Motor and hair dryer

technical field

The utility model relates to a motor and a hair dryer, belonging to the field of hair dryers.

Background technique

The guide vane of the traditional high-speed small blower motor is designed separately from the housing. The guide vane is a separate assembly, and the guide vane will produce a separate mode, resulting in high noise and short life of the motor.

Therefore, it is necessary to provide a new motor and blower to solve the above problems.

Utility model content

In view of the above shortcomings of the prior art, the purpose of this utility model is to provide a motor and a blower with an optimized guide vane design, which can effectively reduce the noise of the motor.

In order to achieve the above purpose, the utility model adopts the following technical solution: a motor, including: a housing and a guide vane, the housing includes a first housing part, a second housing part and a motor connecting the first housing part and the A plurality of first blades of the second shell part, an air flow channel is formed between the first shell part and the second shell part, and the guide vane includes a main body part and a plurality of second blades connected to the main body part;

The main body is sheathed on the second shell; the end of the second blade away from the main body is fixedly connected to the inner wall of the first shell.

As a further improvement of the present invention, the first blade is formed in a flat shape, and/or the second blade is formed in a curved shape.

As a further improvement of the present utility model, the first shell part is arranged on the outside of the second shell part, and the second shell part includes a first shell segment, and is inward from one end of the first shell segment. A bent segment formed by bending, and a second shell segment connected to the other end of the bent segment opposite to the first shell segment.

As a further improvement of the present utility model, the main body part is sheathed on the first casing section, and one end of the main body part is on the same level or substantially on the same level as the bending section.

As a further improvement of the present utility model, the second housing segment is provided with an impeller, and a plurality of third blades are formed on the peripheral side of the impeller, and the third blades are projected along the axial direction of the second housing part , the projection of each third blade is at least partially located between two adjacent first blades.

As a further improvement of the present utility model, one or more first connecting parts are formed on the first shell segment, and second connecting parts matching the first connecting parts are formed on the main body part.

As a further improvement of the present utility model, the first connecting part is formed as a groove part, and the second connecting part is formed as a raised part;

Or the first connecting portion is formed as a protrusion, and the second connecting portion is formed as a groove.

As a further improvement of the present invention, the first vane divides the air flow channel to form a plurality of sub-channels, and at least part of each second vane is located in the sub-channels.

As a further improvement of the present invention, the end of the second vane away from the main body is welded or bonded with an adhesive to the inner wall of the first shell.

In order to achieve the above object, the utility model also adopts the following technical solution: a hair dryer, comprising the motor described in any one of the above.

Compared with the prior art, the beneficial effect of the motor and blower of the present utility model is that by optimizing the mode of the guide vane, the middle of the guide vane is nested on the inner frame of the motor housing, and the outer edge of the guide vane is connected with the motor housing , so that the guide vane and the housing form a whole, and the blades of the guide vane and the motor housing are relatively fixed, which increases the resonance frequency, avoids the resonance band, can effectively reduce noise, prolong the life of the motor, and has broad application prospects.

Description of drawings

Fig. 1 is a three-dimensional structural diagram of a specific embodiment of the present invention after the housing and guide vanes are assembled;

Fig. 2 is a three-dimensional structural schematic diagram of a housing of a specific embodiment of the present invention;

Fig. 3 is a schematic diagram of the three-dimensional structure of the guide vane of a specific embodiment of the present invention;

Fig. 4 is the schematic cross-sectional structure diagram of Fig. 2;

Fig. 5 is a schematic cross-sectional perspective view of a housing, a guide vane and an impeller assembled in a specific embodiment of the present invention;

Fig. 6 is a schematic diagram of a three-dimensional structure of a motor according to a specific embodiment of the present invention;

FIG. 7 is a schematic cross-sectional structure diagram of FIG. 6 .

Detailed ways

An exemplary embodiment of the present utility model will be described in detail below in conjunction with the accompanying drawings. If there are several specific embodiments, the features of these embodiments can be combined with each other under the condition of no conflict. When the description refers to the drawings, unless otherwise stated, the same numerals in different drawings identify the same or similar elements. The content described in the following exemplary embodiments does not represent all implementations consistent with the present utility model; on the contrary, they are only described in the claims of the utility model and some aspects of the utility model Examples of Compliant Apparatus, Products and/or Methods.

The terminology used in the present utility model is only for the purpose of describing specific embodiments, and is not intended to limit the protection scope of the present utility model. The singular forms "a", "said" or "the" used in the specification and claims of the present invention are also intended to include the plural forms unless the context clearly indicates otherwise.

It should be understood that words such as "first", "second" and similar words used in the description and claims of the present utility model do not indicate any order, quantity or importance, but are only used to distinguish features name. Likewise, words like "a" or "one" do not denote a limitation in quantity, but indicate that there is at least one. Unless otherwise indicated, words such as "front", "rear", "upper" and "lower" appearing in the present application are just for convenience of description, and are not limited to a specific position or a spatial orientation. "Includes" or "comprising" and other similar words are an open-ended expression, meaning that the elements appearing before "comprising" or "comprising" cover the elements appearing after "comprising" or "comprising" and their equivalents, This does not exclude that elements appearing before "comprising" or "comprising" may also contain other elements. If "several" appears in the utility model, it means two or more than two.

Please refer to FIG. 1 to FIG. 7 , the utility model discloses a motor suitable for being installed in a hair dryer, which includes a housing 10 and a guide vane 20 . Wherein, the casing 10 includes a first shell portion 11, a second shell portion 12 and a plurality of first blades 13 connecting and fixing the first shell portion 11 and the second shell portion 12; the guide vane 20 includes a main body portion 21 and a main body portion 21 A plurality of second blades 22 fixedly connected, the first shell portion 11 , the second shell portion 12 and the main body portion 21 are arranged coaxially.

1 to 3, the first blade 13 is formed in a flat shape, the second blade 22 is formed in a curved shape, and the end of the second blade 22 away from the main body 21 is fixedly connected to the inner wall of the first shell portion 11. A vane 13 divides the airflow channel to form a plurality of sub-channels, and at least part of each second vane 22 is located in the above-mentioned sub-channels.

Please refer to Fig. 1 to Fig. 4, the airflow channel is formed before the first shell part 11 and the second shell part 12, and a hollow cavity is formed in the middle of the second shell part 12, the airflow channel is used for ventilation, and the hollow cavity is used for setting the motor rotor assembly. The inner diameter of the main body part 21 is equal to or slightly larger than the outer diameter of the second shell part 12. By nesting the main body part 21 on the second shell part 12, the guide vane 20 is fixed on the housing 10, so that the guide vane 20 and The casing 10 is formed in one body. The first shell portion 11 is disposed on the outside of the second shell portion 12, and the second shell portion 12 includes a first shell segment 121, a bent segment 122 formed by bending inward from one end of the first shell segment 121, and a The other end of the bent section 122 opposite to the first casing section 121 is connected to the second casing section 123 . The first vane 13 is formed on the first shell segment 121, the main body portion 21 is sheathed on the first shell segment 121, so that the air flow channel of the shell 10 extends to the guide vane 20, and one end of the main body portion 21 is bent Segments 122 are on the same level or substantially on the same level.

Please refer to Fig. 5, the impeller 30 is arranged on the second casing section 123, and a plurality of third blades 31 are formed on the peripheral side of the impeller 30, and the third blades 31 are projected along the axial direction of the second casing portion 12, each Projections of the third blades 31 are at least partially located between two adjacent first blades 13 .

2 and 3, one or more first connecting parts 1211 are formed on the first housing section 121, and second connecting parts 211 that match the first connecting parts 1211 are formed on the main body part 21. The main body part 21 is nested in the outer ring of the first casing segment 121, and the main body part 21 is rotated to a corresponding position so that the second connecting part 211 is engaged with the first connecting part 1211, so that the guide vane 20 and the casing 10 are relatively fixed, Furthermore, an adhesive can be used for bonding to ensure the reliability of fixing. Wherein, the first connecting portion 1211 is formed as a groove, and the second connecting portion 211 is formed as a protrusion; or the first connecting portion 1211 is formed as a protrusion, and the second connecting portion 211 is formed as a groove; of course, the first connection The part 1211 and the second connecting part 211 can also be formed in other forms so that the two are relatively fixed.

It should be pointed out that the end of the second vane 22 on the guide vane 20 away from the main body 21 is fixedly connected to the inner wall of the first shell part 11. The second blade 22 is fixedly connected to the first shell part 11 by means of adhesive bonding, so that the second blade 22 is relatively fixed to the housing 10, thereby increasing the resonance frequency during the operation of the motor, while avoiding the resonance band, effectively reducing the noise.

On the basis of the above-mentioned embodiments, the first vane 13 of the casing 10 in this embodiment is formed in a vertical shape with the same shape and size, and is evenly arranged between the first shell part 11 and the second shell part 12 The two sides of the first vane 13 are respectively fixedly connected to the inner ring of the first shell part 11 and the outer ring of the inner ring main body 121 . The second vane 22 of the guide vane 20 is formed in a curved shape with the same shape and size, and is evenly arranged on the main body 21, and the two sides of the second vane 22 are fixedly connected to the outer ring of the main body 21 and the first shell respectively. 11 inner circle. Both the surfaces of the first vane 13 and the second vane 22 are smooth to ensure smooth and efficient gas flow.

In another embodiment, as shown in FIG. 3, an inwardly recessed fixing hole 111 is also provided on the first shell portion 11 of the housing 10, which can be used to assist in the positioning and fixing of the entire motor. The hair dryer with the motor Protrusions matching the fixing holes 111 are provided at corresponding positions. Optionally, a protruding protruding part can also be provided on the first shell part 11, and a concave part matching with the protruding part can be provided at the corresponding position in the hair dryer, so as to realize the rapid operation of the motor in the blower. position.

The motor of the present invention does not limit the number of the first blades 13 and the second blades 22, and technicians can set the number of the first blades 13 and the second blades 22 according to the actual situation. In this specific embodiment, 9 first blades 13 and 6 second blades 22 are provided, and the arrangement of such number of blades can make the flow of gas in the air flow channel more efficient.

Referring to Fig. 6 and Fig. 7, the motor of the present invention includes the above-mentioned housing 10, guide vane 20, impeller 30, and other components such as rotors, stators and bearings, and these other components are arranged on the second housing part 12 formed The hollow cavity should not be placed in the air flow channel formed between the first shell 11 and the second shell 12, so as to facilitate the smooth flow of gas.

The structure of the motor in the utility model includes two separate assembly parts, that is, the housing 10 and the guide vane 20. The original housing with a complicated blade structure and difficult to manufacture is disassembled into two easy-to-process parts, so that the blade form is simplified, namely The first vane 13 is set on the casing 10 and the second vane 22 is set on the guide vane 20. In this way, the two components can be simply processed by means of numerical control machine tools, molds, etc., effectively controlling the production cost, and after the combination makes Airflow is less prone to gas separation or turbulence, increasing the efficiency of the motor.

The blower fan in the utility model can be used in small-scale air-blowing household appliances such as hair dryers and small fans, and is used to flow gas out of the household appliances through reasonable flow velocity and flow direction.

To sum up, compared with the prior art, the motor and blower of the present invention have the following advantages: by optimizing the mode of the guide vane 20, the middle of the guide vane 20 is nested on the inner frame of the motor housing, and the outer edge of the guide vane 20 is It is connected with the motor casing so that the guide vane 20 and the casing 10 form an integral body, and the blades of the guide vane 20 are relatively fixed to the motor casing, which improves the resonance frequency and avoids the resonance band, which can effectively reduce noise and prolong the life of the motor. with broadly application foreground.

The above embodiments are only used to illustrate the utility model and are not intended to limit the technical solutions described in the utility model. The understanding of this description should be based on those skilled in the art. However, those of ordinary skill in the art should understand that those skilled in the art can still make modifications or equivalent replacements to the utility model, and all technical solutions and improvements thereof that do not depart from the spirit and scope of the utility model , should be covered within the scope of the claims of the present utility model.

Claims (10)

1. A motor comprising a housing (10) and a guide vane (20), the housing (10) comprising a first housing (11), a second housing (12) and a housing connected to the first housing (11) and a plurality of first blades (13) of the second shell (12), an airflow passage is formed between the first shell (11) and the second shell (12), the The guide vane (20) includes a main body (21) and several second blades (22) connected to the main body (21), characterized in that: The main body part (21) is sheathed on the second shell part (12); the end of the second blade (22) away from the main body part (21) is connected with the end of the first shell part (11) The inner wall is fixedly connected. 2. The motor according to claim 1, characterized in that: the first blade (13) is formed in a flat shape, and/or the second blade (22) is formed in a curved shape. 3. The motor according to claim 1 or 2, characterized in that: the first shell portion (11) is arranged outside the second shell portion (12), and the second shell portion (12) includes The first shell section (121), the bent section (122) formed by bending inwardly from one end of the first shell section (121), and the first shell section opposite to the bent section (122) The other end of the shell segment (121) is connected to a second shell segment (123). 4. The motor according to claim 3, characterized in that: the main body (21) is sheathed on the first casing section (121), and one end of the main body (21) is connected to the The bent sections (122) are on the same level or substantially on the same level. 5. The motor according to claim 3, characterized in that: an impeller (30) is arranged on the second casing segment (123), and a plurality of third blades ( 31), the third blades (31) are projected along the axial direction of the second shell part (12), and the projection of each of the third blades (31) is at least partly located between two adjacent first Between the blades (13). 6. The motor according to claim 3, characterized in that: one or more first connecting parts (1211) are formed on the first casing segment (121), and there are formed on the main body part (21) A second connecting part (211) matched with the first connecting part (1211). 7. The motor according to claim 6, characterized in that: the first connecting portion (1211) is formed as a groove, and the second connecting portion (211) is formed as a raised portion; Or the first connecting portion (1211) is formed as a protrusion, and the second connecting portion (211) is formed as a groove. 8. The motor according to claim 1 or 2, characterized in that: the first vane (13) divides the air flow channel to form a plurality of sub-channels, at least part of each second vane (22) is located within the subchannel. 9. The motor according to claim 1 or 2, characterized in that: the end of the second blade (22) away from the main body (21) is welded to the inner wall of the first shell (11) or passed through Adhesive bonding. 10. A hair dryer, characterized by comprising the motor according to any one of claims 1-9.

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