CN206860558U - Pitch structure of bladeless fan and bladeless fan - Google Patents

Abstract

The utility model discloses a every single move structure and bladeless fan of bladeless fan, the every single move structure of bladeless fan includes air current conduction portion, fan head, first setting element and second setting element. The fan head is arranged on the airflow conduction part in a pitching rotating mode and communicated with the airflow conduction part. The first positioning piece is provided with a plurality of first positioning parts which are arranged at intervals along the pitching rotating direction of the fan head. The second positioning part comprises a spring plate, the spring plate is provided with a second positioning part matched with the first positioning part, and the spring plate generates elastic deformation when the fan head rotates in a pitching mode so that the first positioning part is matched and connected with the second positioning part, and the fan head is positioned after the fan head rotates in a pitching mode. The utility model discloses among embodiment's bladeless fan's every single move structure and bladeless fan, owing to use the elastic deformation of shell fragment so that first setting element is connected with the cooperation of second setting element to location fan head pivoted position makes the simple structure of every single move structure.

Description

Pitch structure of bladeless fan and bladeless fan

technical field

The utility model relates to the field of bladeless fans, in particular to a pitch structure of the bladeless fan and the bladeless fan.

Background technique

In the existing bladeless fan, the structure for realizing the pitching motion of the fan head is complex.

Utility model content

The utility model provides a pitch structure of a bladeless fan and the bladeless fan.

The pitch structure of the bladeless fan according to the embodiment of the present invention includes an airflow conducting part, a fan head, a first positioning part and a second positioning part. The fan head is disposed on the airflow conducting part in a pitch-rotatable manner, and the fan head communicates with the airflow conducting part. The first positioning member is formed with a plurality of first positioning portions arranged at intervals along the pitch rotation direction of the fan head. The second positioning member includes an elastic piece, and the elastic piece is formed with a second positioning portion that cooperates with the first positioning portion. The elastic deformation is elastically deformed when the fan head is pitched, so that the first positioning portion The positioning part is mated with the second positioning part, so as to position the fan head after the fan head pitches and rotates.

In some embodiments, the first positioning member is fixed on the fan head, the first positioning part is a groove, the second positioning member is fixed on the airflow conducting part, and the first positioning part is fixed on the airflow conducting part. 2. The positioning part is a protrusion; or

The first positioning part is fixed on the fan head, the first positioning part is a protrusion, the second positioning part is fixed on the airflow conducting part, and the second positioning part is a groove; or

The first positioning part is fixed on the airflow conducting part, the first positioning part is a groove, the second positioning part is fixed on the fan head, and the second positioning part is a protrusion; or

The first positioning part is fixed on the airflow conducting part, the first positioning part is a protrusion, the second positioning part is fixed on the fan head, and the second positioning part is a groove.

In some embodiments, the airflow conducting part is a three-way structure, and the airflow conducting part is formed with an air inlet and two air outlets, and the two air outlets are both connected to the air inlet, so The fan head is formed with two air inlets, and each air inlet is connected to a corresponding air outlet.

In some embodiments, the airflow conducting part includes a body and bearing parts formed on opposite sides of the body, the body is formed with the air inlet, and each bearing part is formed with one of the bearing parts. air outlet;

The fan head includes two air inlet parts and an air outlet part, each of the air inlet parts includes an end surface opposite to the other air inlet part, the air inlet hole is opened on the end surface, and the bearing part Sealingly sleeved in the air inlet.

In some embodiments, the first positioning part extends outward from the end surface, and the second positioning part includes a fixing part detachably connected to the airflow conducting part and a fixing part connected to the fixing part. A covering part, the covering part covers the first positioning part, and the elastic sheet is fixed on the covering part.

In some implementations, the first positioning member is an arc extending along the pitch rotation direction of the fan head.

In some embodiments, the first positioning portion is a groove, and the second positioning portion is a protrusion matching the groove.

In some embodiments, the covering part is formed with a hollow hole opposite to the first positioning member, and the elastic piece is disposed in the hollow hole.

In some embodiments, a sealing member is provided between the bearing portion and the inner wall of the air intake hole to seal the gap between the bearing portion and the inner wall of the air intake hole.

The bladeless fan of the embodiment of the utility model includes the pitch structure and the base of any of the above embodiments, and the base is used to absorb the air outside the base to form an air flow, so that the air flow passes through the air guide The through part is arranged toward the fan head and exits from the fan head.

In the pitching structure of the bladeless fan and the bladeless fan according to the embodiment of the utility model, since the elastic deformation of the shrapnel is used to make the first positioning part and the second positioning part fit and connect, thereby positioning the position of the fan head rotation, the pitching structure Simple structure.

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present utility model will become apparent and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 is a three-dimensional schematic diagram of a bladeless fan according to an embodiment of the present invention

Fig. 2 is a three-dimensional schematic diagram of the pitch structure of the bladeless fan according to the embodiment of the present invention;

Fig. 3 is a schematic cross-sectional view of the pitch structure III-III of the bladeless fan shown in Fig. 2;

Fig. 4 is an enlarged schematic diagram of part VI of the pitch structure of the bladeless fan of Fig. 3;

Fig. 5 is an exploded schematic view of the pitch structure of the bladeless fan according to the embodiment of the present invention;

Fig. 6 is a three-dimensional schematic diagram of the second fixing part of the pitch structure according to the embodiment of the present invention;

Fig. 7 is a schematic view of the state of the bladeless fan according to the embodiment of the present invention.

Description of main component symbols:

Bladeless fan 200, base 201;

Pitch structure 100, rotating shaft 102;

Airflow conduction part 10, air inlet 11, air outlet 12, body 13, rib 131, stud 132, bearing part 14;

Fan head 20, air inlet 21, air inlet 22, end face 221, air outlet 23;

The first positioning member 30, the first positioning part 31;

The second positioning piece 40, the elastic piece 41, the second positioning part 42, the fixing part 43, the through hole 431, the covering part 44, the hollow hole 441;

Seal 50.

detailed description

Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present utility model, but should not be construed as limiting the present utility model.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", Orientation indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. Or the positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be configured in a specific orientation, and operation, and therefore cannot be construed as a limitation of the utility model. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of said features. In the description of the present utility model, "plurality" means two or more, unless otherwise specifically defined.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection, electrical connection or mutual communication; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components or the mutual communication of two components role relationship. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

In the present invention, unless otherwise clearly specified and limited, a first feature being "on" or "below" a second feature may include direct contact between the first and second features, and may also include the first and second features being in direct contact with each other. The features are not in direct contact but through another feature between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "beneath" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

The disclosure below provides many different implementations or examples for realizing different structures of the present invention. To simplify the disclosure of the present invention, components and arrangements of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the utility model. Furthermore, the present disclosure may repeat reference numerals and/or reference letters in different instances, such repetition is for simplicity and clarity and does not in itself indicate a relationship between the various embodiments and/or arrangements discussed. In addition, various specific process and material examples are provided herein, but one of ordinary skill in the art may recognize the use of other processes and/or the use of other materials.

Please refer to FIGS. 1-4 together. The pitch structure 100 of the bladeless fan 200 according to the embodiment of the present invention includes an airflow conducting portion 10 , a fan head 20 , a first positioning member 30 and a second positioning member 40 .

The fan head 20 is disposed on the airflow conducting part 10 so as to be tiltable and rotatable, and the fan head 20 communicates with the airflow conducting part 10 . The first positioning member 30 is formed with a plurality of first positioning portions 31 . A plurality of first positioning portions 31 are arranged at intervals along the pitch rotation direction of the fan head 20 .

The second positioning member 40 includes an elastic piece 41 , and the elastic piece 41 forms a second positioning portion 42 that cooperates with the first positioning portion 31 . The elastic piece 41 is elastically deformed when the fan head 20 is pitched, so that the first positioning portion 31 is connected with the second positioning portion 42 , so as to position the fan head 20 after the fan head 20 is pitched.

In the pitching structure 100 of the embodiment of the present utility model, since the elastic deformation of the shrapnel 41 is used to make the first positioning part 30 and the second positioning part 40 fit and connect, so as to locate the rotating position of the fan head 20, the structure of the pitching structure 100 is simple. .

It can be understood that the airflow conducting part 10 has the function of conducting gas, and the fan head 20 has a gas flow channel, so as to communicate with the airflow conducting part 10 .

The fan head 20 can rotate around the rotating shaft 102 relative to the airflow conducting part 10 , so as to realize pitch rotation. The pitch rotation direction of the fan head 20 is, for example, the direction of the double-headed arrow A-B in FIG. 2 or FIG. 7 .

In this embodiment, the first positioning part 30 is fixed on the fan head 20, the first positioning part 31 is a groove, the second positioning part 40 is fixed on the airflow conducting part 10, and the second positioning part 42 is a protrusion.

That is to say, the first positioning portion 31 is formed with a plurality of grooves arranged at intervals along the pitch rotation direction of the fan head 20 , and the elastic piece 41 is formed with a protrusion matching the grooves.

In this way, the structures of the first positioning portion 31 and the second positioning portion 42 are simple and easy to form. Specifically, when the fan head 20 is pitching and rotating, under the action of an external force, the elastic piece 41 produces elastic deformation, so that the protrusion breaks away from one groove and moves to the adjacent groove, when the protrusion moves to the next groove When the groove is formed, the elastic piece 41 recovers and deforms, so that the protrusion is clamped in the groove, so that the fan head 20 can be positioned after a certain angle of pitch rotation.

Preferably, the middle positions of the plurality of grooves coincide with the rotating shaft 102 , so that both sides of the rotating shaft 102 are provided with grooves, so that the fan head 20 can rotate around the rotating shaft 102 in forward and reverse directions. The forward direction is, for example, the direction A in FIG. 7 , and the reverse direction is, for example, the direction B in FIG. 7 .

In one example, the pitch angle at which the fan head 20 rotates around the rotation axis 102 is ±90°, that is to say, when the fan head 20 is in a vertical state, it can rotate 90° in the forward direction around the rotation axis 102, or it can rotate around the rotation axis 102 Rotate 90° in reverse.

Of course, in other embodiments, the first positioning part 30 is fixed on the fan head 20, the first positioning part 31 is a protrusion, the second positioning part 40 is fixed on the airflow conducting part 10, and the second positioning part 42 is a concave slot; or

The first positioning part 30 is fixed on the airflow conducting part 10, the first positioning part 31 is a groove, the second positioning part 40 is fixed on the fan head 20, and the second positioning part 42 is a protrusion; or

The first positioning part 30 is fixed on the airflow conducting part 10 , the first positioning part 31 is a protrusion, the second positioning part 40 is fixed on the fan head 20 , and the second positioning part 42 is a groove.

Please refer to FIG. 5 , in this embodiment, the airflow conducting part 10 is a three-way structure, and the airflow conducting part 10 is formed with an air inlet 11 and two air outlets 12 , and the two air outlets 12 communicate with the air inlet 11 . The fan head 20 is formed with two air inlets 21 , and each air inlet 21 is connected with a corresponding air outlet 12 .

In this way, the airflow conducting part 10 divides the airflow into two paths into the fan head 20, so that the airflow on both sides of the fan head 20 is more uniform, so that the airflow emitted from each part of the fan head 20 is uniform, which is beneficial to the outgoing airflow to form a soft wind. to improve user experience.

Specifically, in this embodiment, the airflow conducting part 10 includes a main body 13 and two bearing parts 14 . The body 13 is formed with an air inlet 11 . Two carrying portions 14 are respectively formed on opposite sides of the main body 13 . Each bearing portion 14 is formed with an air outlet 12 .

The fan head 20 includes two air inlet portions 22 and an air outlet portion 23 , and each air inlet portion 22 includes an end surface 221 opposite to the other air inlet portion 22 . The end surface 221 defines an air inlet 21 , and the carrying portion 14 is sleeved in the air inlet 21 in a sealing manner.

In this way, the bearing part 14 enables the fan head 20 to be rotatably installed on the airflow conducting part 10 , and allows the airflow to be introduced into the fan head 20 .

Specifically, a plurality of reinforcing ribs 131 are formed on the outer surface of the main body 13 to strengthen the strength of the main body 13 . In order to enable the fan head 20 to perform pitch rotation smoothly, the supporting portion 14 is cylindrical, and the air inlet 21 is cylindrical.

Referring to FIG. 6 , in this embodiment, the first positioning member 30 extends outward from the end surface 221 , and the second positioning member 40 includes a fixing portion 43 and a covering portion 44 . The fixing portion 43 is detachably connected to the airflow conducting portion 10 . The covering part 44 is connected to the fixing part 43 . The covering portion 44 covers the first positioning member 30 , and the elastic piece 41 is fixed on the covering portion 44 .

In this way, the covering portion 44 covers the first positioning member 30 so that the deformation space of the elastic piece 41 is large, which facilitates the second positioning portion 42 to cooperate with the first positioning portion 31 after the elastic piece 41 is deformed.

In this embodiment, in order to make the rotation of the fan head 20 more stable, each air inlet portion 22 is provided with a first positioning member 30 . That is to say, there are two first positioning members 30 , which are respectively disposed on the corresponding air inlet portions 22 . It can be understood that the number of the second positioning members 40 is also two.

In this embodiment, the first positioning member 30 is integrated with the fan head 20 , so that the first positioning member 30 is easily fixed on the fan head 20 .

In this embodiment, the fixing part 43 is fixedly connected to the airflow conducting part 10 by screws. Specifically, the fixed part 43 is formed with a through hole 431 for the screw to pass through, and the body 13 is provided with a stud 132 aligned with the through hole 431, and the screw passes through the through hole 431 and is tightened on the stud 132, so that The second positioning member 40 is fixed on the airflow conducting part 10 .

Of course, in other embodiments, the fixing part 43 can be detachably fixed on the airflow conducting part 10 through a buckle structure. For example, the fixing part 43 can be provided with an elastic hook, and the airflow conducting part 10 can form a slot for matching with the hook. Under the cooperation of the hook and the ferrule, the fixing part is buckled and fixed on the airflow conducting part 10 .

In this embodiment, the first positioning member 30 is an arc-shaped member extending along the pitch rotation direction of the fan head 20 .

In this way, the arrangement shape of the first positioning member 30 is the same as that of the plurality of grooves, which facilitates the formation of the grooves, so that the first positioning member 30 can be more miniaturized, thereby saving the assembly space of the pitch structure 100 .

In this embodiment, the cover portion 44 is formed with a hollow hole 441 opposite to the first positioning member 30 , and the elastic piece 41 is disposed in the hollow hole 441 , as shown in FIG. 6 .

In this way, the hollow hole 441 can ensure that the elastic piece 41 has a larger space for elastic deformation, so that the protrusion can be smoothly engaged in the groove. In this embodiment, the second positioning member 40 is a structure in which the fixing part 43 , the covering part 44 and the elastic piece 41 are integrally formed. The material of the second positioning part 40 is plastic, and the second positioning part 40 can form the fixing part 43 , the covering part 44 and the elastic piece 41 through injection molding process.

In this embodiment, a sealing member 50 is provided between the bearing portion 14 and the inner wall of the air inlet 21 to seal the gap between the bearing portion 14 and the inner wall of the air inlet 21 . The sealing member 50 is, for example, a silicone member.

In this way, the sealing member 50 can prevent air leakage at the joint between the fan head 20 and the airflow conducting part 10 , which is beneficial to improve the air output performance of the fan head 20 , for example, increase the air output speed and air volume of the fan head 20 .

The bladeless fan 200 of the embodiment of the utility model includes the pitch structure 100 and the base 201 of the above embodiment, the base 201 is used to absorb the air outside the base 201 to form an air flow, so that the air flow is discharged to the The fan head 20 exits from the fan head 20 behind.

In the bladeless fan 200 of the embodiment of the present utility model, since the elastic deformation of the shrapnel 41 is used to make the first positioning member 30 and the second positioning member 40 cooperate and connect, so as to locate the rotating position of the fan head 20, the structure of the pitch structure 100 Simple.

Specifically, components such as an impeller and a motor are arranged in the base 201 . When working, the motor drives the impeller to rotate, so that the base 201 can absorb external air to form a high-speed airflow.

In the description of this specification, descriptions referring to the terms "one embodiment", "certain embodiments", "exemplary embodiments", "example", "specific examples", or "some examples" are meant to be combined with The specific features, structures, materials or features described in the above embodiments or examples are included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and modifications, the scope of the present invention is defined by the claims and their equivalents.

Claims (10)

1. A pitch structure of a bladeless fan, characterized in that it comprises: air duct; a fan head, the fan head is arranged on the airflow conducting part in a pitch-rotatable manner, and the fan head communicates with the airflow conducting part; a first positioning member, the first positioning member is formed with a plurality of first positioning portions arranged at intervals along the pitch rotation direction of the fan head; and The second positioning part, the second positioning part includes an elastic piece, the elastic piece is formed with a second positioning part matched with the first positioning part, and the elastic deformation is elastically deformed when the fan head is pitched, so as to The first positioning part is mated with the second positioning part, so as to position the fan head after the fan head pitches and rotates. 2. The pitch structure of the bladeless fan according to claim 1, wherein the first positioning part is fixed on the fan head, the first positioning part is a groove, and the second positioning part fixed on the airflow conducting part, the second positioning part is a protrusion; or The first positioning part is fixed on the fan head, the first positioning part is a protrusion, the second positioning part is fixed on the airflow conducting part, and the second positioning part is a groove; or The first positioning part is fixed on the airflow conducting part, the first positioning part is a groove, the second positioning part is fixed on the fan head, and the second positioning part is a protrusion; or The first positioning part is fixed on the airflow conducting part, the first positioning part is a protrusion, the second positioning part is fixed on the fan head, and the second positioning part is a groove. 3. The pitch structure of the bladeless fan according to claim 1, wherein the airflow conducting part is a three-way structure, and the airflow conducting part is formed with an air inlet and two air outlets, and the airflow conducting part The two air outlets are both connected to the air inlet, and the fan head is formed with two air inlets, and each air inlet is connected to a corresponding one of the air outlets. 4. The pitch structure of the bladeless fan according to claim 3, wherein the airflow conducting part comprises a body and bearing parts formed on opposite sides of the body, and the body is formed with the inlet an air outlet, each of the carrying parts is formed with an air outlet; The fan head includes two air inlet parts and an air outlet part, each of the air inlet parts includes an end surface opposite to the other air inlet part, the air inlet hole is opened on the end surface, and the bearing part Sealingly sleeved in the air inlet. 5. The pitch structure of the bladeless fan according to claim 4, wherein the first positioning member extends outward from the end surface, and the second positioning member includes a A fixing part connected to ground and a covering part connected to the fixing part, the covering part covers the first positioning part, and the elastic piece is fixed on the covering part. 6 . The pitch structure of the bladeless fan according to claim 5 , wherein the first positioning member is an arc extending along the pitch rotation direction of the fan head. 7 . The pitch structure of the bladeless fan according to claim 5 , wherein the first positioning portion is a groove, and the second positioning portion is a protrusion matching the groove. 8 . The pitch structure of the bladeless fan according to claim 5 , wherein the covering part is formed with a hollow hole opposite to the first positioning member, and the elastic piece is disposed in the hollow hole. 9 . 9. The pitch structure of the bladeless fan according to claim 4, wherein a seal is provided between the bearing part and the inner wall of the air intake hole to seal the bearing part and the air intake hole the gap between the inner walls. 10. A bladeless fan, characterized in that it comprises: The pitch structure of the bladeless fan according to any one of claims 1-9; and The base is used to absorb the air outside the base to form an airflow, so that the airflow is discharged to the fan head through the airflow conducting part and then exits from the fan head.