阅读说明：本技术 一种电风扇 (Electric fan ) 是由 王勇 黄少杰 冯爽 杨光霁 韦成 于 2019-10-08 设计创作，主要内容包括：本发明提供的一种电风扇,包括：第一支架,适于与机身固定连接；第二支架,适于与风扇头固定连接,所述第二支架通过铰接轴可转动的连接在所述第一支架上；紧固件,用于将所述第二支架在固定在所述铰接轴上；限位件,连接在所述第一支架上,并位于所述第一支架与所述紧固件之间,用于限定所述紧固件与所述第一支架间的距离,所述第二支架限位于第一支架与限位件之间通过在第一支架上连接限位件,第一限位件位于第一支架与紧固件之间,限定紧固件与第一支架间的距离,从而使紧固件固定第二支架的位置固定,从而能保证对第二支架进行锁紧的力矩,对于同一型号的电风扇,对第二支架进行锁紧的力矩大小稳定。(The invention provides an electric fan, comprising: the first bracket is suitable for being fixedly connected with the machine body; the second bracket is suitable for being fixedly connected with the fan head and is rotatably connected to the first bracket through a hinged shaft; a fastening member for fixing the second bracket to the hinge shaft; the limiting part is connected to the first support, is positioned between the first support and the fastening part and is used for limiting the distance between the fastening part and the first support, the second support is limited between the first support and the limiting part, the limiting part is connected to the first support, the first limiting part is positioned between the first support and the fastening part and limits the distance between the fastening part and the first support, and therefore the position of the fastening part for fixing the second support is fixed, the torque for locking the second support can be guaranteed, and the torque for locking the second support is stable for electric fans of the same model.)

1. An electric fan, comprising:

the first bracket (1) is suitable for being fixedly connected with the machine body;

the second bracket (2) is suitable for being fixedly connected with the fan head, and the second bracket (2) is rotatably connected to the first bracket (1) through a hinged shaft (3);

a fastening element (4) for fixing the second bracket (2) to the articulated shaft (3);

the limiting piece (5) is connected to the first support (1), is positioned between the first support (1) and the fastening piece (4) and is used for limiting the distance between the fastening piece (4) and the first support (1), and the second support (2) is limited between the first support (1) and the limiting piece (5).

2. The electric fan according to claim 1, characterized in that the limiting member (5) comprises a limiting body (51) and at least one first connecting arm (52) extending from a side of the limiting body (51) towards the first bracket (1), the first connecting arm (52) being connected with the first bracket (1).

3. The electric fan as claimed in claim 2, wherein the first connecting arms (52) are provided in two and symmetrically arranged on both sides of the limiting body (51).

4. An electric fan according to claim 2, characterized in that the first bracket (1) is provided with a first connection hole (11), the first connection arm (52) being inserted in the first connection hole (11).

5. Electric fan according to claim 1, characterized in that it further comprises a first anti-slip means (6) arranged between said first bracket (1) and said second bracket (2).

6. An electric fan according to claim 5, characterized in that the first anti-slip means (6) comprises an anti-slip body (61) in surface contact with the first bracket (1), the second bracket (2) respectively, and at least one second connecting arm (62) extending from the side of the anti-slip body (61) towards the first bracket (1), the second connecting arm (62) being connected to the first bracket (1).

7. The electric fan as claimed in claim 6, characterized in that the second connecting arms (62) are provided in two and are symmetrically distributed on both sides of the anti-slip body (61).

8. Electric fan according to claim 6, characterized in that said first frame (1) is provided with a second connection hole (12), said second connection arm (62) being inserted in said second connection hole (12).

9. The electric fan as claimed in claim 6, characterized in that the anti-slip body (61) is provided with grooves or through holes.

10. The electric fan according to claim 2, characterized in that it further comprises a first supporting assembly adapted to be supported between said second bracket (2) and said retaining member (5), said retaining body (51) being connected between said first supporting assembly and said fastening member (4).

11. The electric fan as claimed in claim 10, wherein the first support assembly comprises:

a second anti-skid member (7) in surface contact with the second bracket (2);

the gaskets (8) are arranged between the second anti-skid piece (7) and the limiting body (51).

12. Electric fan according to claim 11, characterized in that the second anti-slip means (7) are provided with grooves or through holes on the face opposite to the second bracket (2).

13. The electric fan according to claim 1, characterized in that the first bracket (1) is provided with a limiting groove (13) for limiting the rotation angle of the second bracket (2), the second bracket (2) comprises a connecting part (21) parallel to the hinge shaft (3), and the connecting part (21) is snapped into the limiting groove (13).

14. The electric fan as claimed in claim 1, wherein the portion of the hinge shaft (3) connected to the fastening member (4) is threaded, and the fastening member (4) is a nut.

Technical Field

The invention relates to the technical field of electric fans, in particular to an electric fan.

Background

At present, an electric fan mainly comprises three parts, namely a machine head component, a machine body, a supporting component and the like, wherein the machine head component comprises a motor, a motor shell, fan blades, a pitching mechanism and a shaking mechanism; the pitching mechanism is connected with the motor shell and the machine body and mainly comprises a marble, a torsion spring and a spring, the torsion spring and the spring are easy to generate mechanical fatigue in the using process so that the pitching mechanism is positioned and failed or damaged, and the assembling process is relatively complex. The support of installation motor casing and flabellum behind the angle of elevation of adjustment has appeared relying on gasket + pivot + bolt among the prior art to lock, and artifical when locking the bolt, the moment size is difficult to control, and moment is too big sometimes, moment undersize sometimes, and when moment was too big, the support contacts with the fuselage tension, is difficult to carry out the pitch regulation once more, and when moment undersize, it is difficult to fix the support.

Disclosure of Invention

Therefore, the technical problem to be solved by the invention is to overcome the defect that the moment for locking the bracket for mounting the motor shell and the fan blades is difficult to control in the prior art, thereby providing the electric fan capable of ensuring the moment for locking the bracket.

In order to solve the above technical problem, the present invention provides an electric fan, comprising:

the first bracket is suitable for being fixedly connected with the machine body;

the second bracket is suitable for being fixedly connected with the fan head and is rotatably connected to the first bracket through a hinged shaft;

a fastening member for fixing the second bracket to the hinge shaft;

the limiting part is connected to the first support, is positioned between the first support and the fastening part and is used for limiting the distance between the fastening part and the first support, and the second support is limited between the first support and the limiting part.

The limiting part comprises a limiting body and at least one first connecting arm extending from the side part of the limiting body towards the direction of the first support, and the first connecting arm is connected with the first support.

The first connecting arms are arranged in two numbers and symmetrically arranged on two sides of the limiting body.

The first support is provided with a first connecting hole, and the first connecting arm is inserted into the first connecting hole.

The anti-skid device further comprises a first anti-skid piece arranged between the first bracket and the second bracket.

The first anti-slip piece comprises an anti-slip body in surface contact with the first support and the second support respectively, and at least one second connecting arm extending from the side of the anti-slip body towards the first support, and the second connecting arm is connected with the first support.

The second connecting arms are arranged in two numbers and symmetrically distributed on two sides of the anti-skidding body.

And a second connecting hole is formed in the first support, and the second connecting arm is inserted into the second connecting hole.

The anti-skid body is provided with a plurality of grooves or through holes.

The limiting device comprises a first support assembly and a limiting piece, wherein the first support assembly is suitable for being supported between the second support and the limiting piece, and the limiting body is connected between the first support assembly and the fastening piece.

The first support assembly includes:

the second anti-skid piece is in surface contact with the second bracket;

and the gaskets are arranged between the second anti-skid piece and the limiting body.

And a plurality of grooves or through holes are formed on the surface of the second anti-skid piece opposite to the second bracket.

The first support is provided with a limiting groove for limiting the rotation angle of the second support, the second support comprises a connecting part parallel to the hinge shaft, and the connecting part is clamped into the limiting groove.

The part of the articulated shaft connected with the fastening piece is provided with threads, and the fastening piece is a nut.

The technical scheme of the invention has the following advantages:

1. according to the electric fan provided by the invention, the limiting piece is connected on the first support, the first limiting piece is positioned between the first support and the fastening piece, and the distance between the fastening piece and the first support is limited, so that the position of the fastening piece for fixing the second support is fixed, the torque for locking the second support can be ensured, and the torque for locking the second support is stable for electric fans of the same type.

2. According to the electric fan provided by the invention, the limiting piece comprises a limiting body and at least one first connecting arm extending from the side part of the limiting body to the direction of the first support, the first connecting arm is connected with the first support, the position of a fastener can be determined according to the length of the first connecting arm, the assembly is simple, and the production efficiency is high.

3. According to the electric fan provided by the invention, the two first connecting arms are symmetrically arranged on the two sides of the limiting body, so that the acting force of the fastening piece is uniform.

4. According to the electric fan provided by the invention, the first support is provided with the first connecting hole, and the first connecting arm is inserted into the first connecting hole, so that the positioning and installation of the limiting piece are facilitated.

5. The electric fan further comprises a first anti-slip piece arranged between the first support and the second support, and the first anti-slip piece can prevent the first support and the second support from rotating relatively after the second support is locked by a fastener.

6. According to the electric fan provided by the invention, the first anti-skid piece comprises an anti-skid body in surface contact with the first support and the second support respectively, and at least one second connecting arm extending from the side part of the anti-skid body towards the direction of the first support, and the second connecting arm is connected with the first support, so that the first anti-skid piece is convenient to position and mount.

7. According to the electric fan provided by the invention, the two second connecting arms are symmetrically distributed on the two sides of the anti-skidding body, the friction force applied to the first anti-skidding piece is uniform, and the first support is more stably installed.

8. According to the electric fan provided by the invention, the first support is provided with the second connecting hole, the second connecting arm is inserted into the second connecting hole, and the first anti-skid piece is simple and convenient to mount.

9. According to the electric fan, the anti-skidding body is provided with the plurality of grooves or the plurality of through holes, so that friction force can be increased, and the second support cannot automatically rotate under the gravity.

10. The electric fan further comprises a first supporting assembly, the first supporting assembly is suitable for being supported between the second support and the limiting piece, the limiting body is connected between the first supporting assembly and the fastening piece, a gap is reserved between the second support and the limiting body, and the first supporting assembly can limit the second support between the limiting body and the first support.

11. The invention provides an electric fan, wherein the first support assembly comprises: the second anti-skid piece is in surface contact with the second bracket; the gaskets are arranged between the second anti-skid pieces and the limiting body, the quantity of the gaskets can be adjusted according to the distance between the second anti-skid pieces and the limiting body, the locking force of the fasteners can also be controlled according to the quantity of the gaskets, and the second anti-skid pieces can be arranged to prevent the second anti-skid pieces from automatically rotating under the gravity.

12. According to the electric fan provided by the invention, the surface of the second anti-skid piece opposite to the second support is provided with the plurality of grooves or through holes, so that the friction force of the second anti-skid piece can be increased.

13. According to the electric fan provided by the invention, the first support is provided with the limiting groove for limiting the rotation angle of the second support, the second support comprises the connecting part parallel to the hinge shaft, and the connecting part is clamped in the limiting groove, so that the rotation range of the second support relative to the first support can be limited.

14. According to the electric fan provided by the invention, the part of the hinged shaft, which is connected with the fastening piece, is provided with the threads, and the fastening piece is a nut, so that the electric fan is simple in structure, simple and convenient to assemble and convenient for a user to assemble by himself.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic partial structure view of an electric fan according to an embodiment of the present invention;

FIG. 2 is an exploded view of the electric fan of FIG. 1;

FIG. 3 is a schematic view of a first bracket of the electric fan shown in FIG. 2;

FIG. 4 is a schematic view of a second bracket of the electric fan shown in FIG. 2;

fig. 5 is a schematic structural view of a limiting member of the electric fan shown in fig. 2;

FIG. 6 is a schematic view of a first anti-slip device of the electric fan shown in FIG. 2;

FIG. 7 is a schematic view of a second anti-slip device of the electric fan shown in FIG. 2;

description of reference numerals:

1-a first scaffold; 2-a second scaffold; 3-a hinge shaft; 4-a fastener; 5-a limiting part; 6-a first anti-slip member; 7-a second cleat; 8-a gasket; 11-a first connection hole; 12-a second connection hole; 13-a limiting groove; 21-a connecting part; 51-a limiting body; 52-first connecting arm; 61-antiskid body; 62-second connecting arm.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.