CN212899089U

CN212899089U - Bedside fan

Info

Publication number: CN212899089U
Application number: CN202021243706.8U
Authority: CN
Inventors: 刘红; 赵官峰; 裘信国
Original assignee: Zhejiang University of Technology ZJUT
Current assignee: Zhejiang University of Technology ZJUT
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-04-06
Anticipated expiration: 2030-06-29

Abstract

A bedside fan comprises a support body capable of rotating up and down and swinging left and right, wherein the upper end of the support body is connected with a fan head, and the lower end of the support body is detachably connected with a base used for being mounted on a bedside; the bracket body consists of a manual up-and-down oscillating mechanism and an electric left-and-right oscillating mechanism; the manual up-and-down oscillating mechanism comprises a fan fixing frame and a first connecting piece which are mutually hinged, wherein a first hinge seat is arranged at the rear end of the fan fixing frame, and a first pivot hole and a circular arc-shaped track groove are formed in the first hinge seat; the electric left-right swinging mechanism comprises a second connecting piece and a motor support which are mutually hinged, the motor support is provided with a crank connecting rod mechanism, one end of the crank connecting rod mechanism is connected to the motor support, and the other end of the crank connecting rod mechanism is connected to the first connecting piece. The utility model discloses utilize crank link mechanism to realize the horizontal hunting and sweep the wind function, sweep the wind with traditional circumferential rotation and compare, the horizontal hunting is swept the wind and can be lasted the air supply of aiming at the user in a cycle, effectively cools down.

Description

Bedside fan

Technical Field

The utility model relates to an electric fan field especially relates to a head of a bed fan.

Background

Many small fans suitable for use on a bedside are commercially available, and in summary, they are classified into two types, one type being a small desk fan and the other type being a small ceiling fan. The small table fan can only be used in a working area generally, and some table fans with clamps can only adapt to the surface of a table top and can not adapt to a round tube type guardrail on a bed. The function of shaking the head of current small-size fan is the periodic circular motion of doing, has a shortcoming like this and just can blow to wind when the fan head aims at this student in a cycle by everyone in the dormitory, and this is to every student, and the cooling effect that lasts is very poor.

The small ceiling fan is used in a dormitory bed, and is generally mounted at the middle top of a mosquito net of the bed, or the small ceiling fan is hung on the mosquito net through a mosquito net bracket and a pull rope. Meanwhile, the small ceiling fan is not provided with a fan safety cover for reducing the weight, and certain safety risks exist.

Disclosure of Invention

In order to overcome the above problems, the utility model provides a bedside fan with simple structure.

The utility model adopts the technical proposal that: a bedside fan comprises a support body capable of rotating up and down and swinging left and right, wherein the upper end of the support body is connected with a fan head, and the lower end of the support body is detachably connected with a base used for being installed on a bedside; the bracket body consists of a manual up-and-down oscillating mechanism and an electric left-and-right oscillating mechanism;

the fan head comprises a fan rear cover and a fan front cover, the fan rear cover and the fan front cover are buckled to form a fan cover, an impeller and a first motor are arranged in the fan cover, the impeller is fixedly connected with an output shaft of the first motor, and the first motor drives the impeller to rotate;

the manual up-and-down shaking mechanism comprises a fan fixing frame and a first connecting piece, the fan fixing frame is U-shaped, and the left end and the right end of the fan head are respectively and fixedly connected to the inner sides of two sides of the U-shaped fan fixing frame; the rear end of the fan fixing frame is provided with a first hinge seat, a seat body of the first hinge seat is provided with a first pivot hole and a circular arc-shaped track groove, the axis of the first pivot hole is parallel to the horizontal plane, and the circular arc-shaped track groove is 1/2 circles with the first pivot hole as the center of a circle; the top of the first connecting piece is pivotally connected to a first hinge seat of the fan fixing frame, a manual adjusting bolt is further arranged at the top of the first connecting piece, the manual adjusting bolt is partially arranged in the circular arc-shaped track groove and can slide in the circular arc-shaped track groove, and the manual adjusting bolt penetrates through the first connecting piece and the first hinge seat to lock the first connecting piece and the first hinge seat; the first connecting piece is arranged at the top end of the aluminum profile vertical rod, and the bottom end of the aluminum profile vertical rod is provided with an electric left-right swinging mechanism;

the electric left-right swinging mechanism comprises a second connecting piece and a motor support, the second connecting piece is connected to the bottom end of the aluminum profile vertical rod, the motor support arranged along the horizontal direction is connected below the second connecting piece, a second hinging seat is arranged on the motor support, a second pivoting hole is arranged on a seat body of the second hinging seat, and the axis of the second pivoting hole is perpendicular to the axis of the first pivoting hole; the lower part of the second connecting piece is pivotally connected to a second hinge seat of the motor support; a second motor is arranged on the motor support, an output shaft of the second motor is fixedly connected with a first straight gear, the first straight gear is meshed with a second straight gear, and the second straight gear is arranged on a gear shaft; a first bevel gear is further sleeved at one end of the gear shaft, which is far away from the second straight gear, and a key for transmission connection with the first bevel gear is arranged on the outer wall of the gear shaft; the gear shaft is arranged on the motor support through a bearing and can axially move; the gear shaft has a first position and a second position in the axial direction; when the gear shaft is at the first position, the gear shaft and the first bevel gear are in a transmission connection state, and when the gear shaft is at the second position, the gear shaft and the first bevel gear are in a separation state; the first bevel gear is meshed with the second bevel gear, and the axis of the first bevel gear is vertical to the axis of the second bevel gear; the wheel shaft of the second bevel gear is fixedly connected with one end of a crank, the other end of the crank is rotatably connected with one end of a connecting rod, and the other end of the connecting rod is hinged with the first connecting piece;

the bottom surface of the motor support is provided with a plurality of first mounting holes for being assembled with the base; the top surface of the base is provided with a connecting boss used for being assembled with the motor support, and the connecting boss is provided with a plurality of second mounting holes which are in one-to-one correspondence with the first mounting holes.

Further, the base is divided into an upper cover and a lower cover which are fixedly connected through bolts; a clamping area which is matched with the shape of the bedside rail is formed between the upper cover and the lower cover, and rubber pads are arranged on the inner sides of the upper cover and the lower cover at the positions of the clamping area; the lower cover is also provided with a fastening bolt, and the tail end of the fastening bolt penetrates through the lower cover and extends to the clamping area.

Further, the clamping area is cylindrical or square.

Furthermore, the head end of the manual adjusting bolt is provided with a butterfly knob for twisting the manual adjusting bolt.

The utility model has the advantages that: the crank link mechanism is utilized to realize the function of left-right swinging air sweeping, compared with the traditional circumferential rotation air sweeping, the air sweeping device can supply air in a plane in a left-right swinging manner, continuously aim at a user to supply air and effectively reduce the temperature; and the base can be detached and replaced at any time, is suitable for the shapes of handrails of different bed heads, and is convenient and practical.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of a fan bracket.

Fig. 3 is a structural schematic diagram of the stent body.

Fig. 4 is a schematic structural view of the electric yaw mechanism.

Fig. 5 is a schematic structural view of a clampable base.

Fig. 6 is a schematic view of the assembly of the second spur gear, the gear shaft and the first bevel gear.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the directions or positional relationships indicated as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., appear based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to the attached drawings, the bedside fan comprises a support body 1 capable of rotating up and down and swinging left and right, a fan head is connected to the upper end of the support body 1, and a base 3 used for being installed on a bedside is detachably connected to the lower end of the support body 1; the bracket body 1 consists of a manual up-and-down oscillating mechanism and an electric left-and-right oscillating mechanism;

the fan head comprises a fan rear cover 2 and a fan front cover, the fan rear cover and the fan front cover are buckled to form a fan cover, an impeller and a first motor are arranged in the fan cover, the impeller is fixedly connected with an output shaft of the first motor, and the first motor drives the impeller to rotate (not shown in the figure);

the manual up-and-down shaking head mechanism comprises a fan fixing frame 4 and a first connecting piece 6, the fan fixing frame 4 is U-shaped, and the left end and the right end of the fan head are respectively and fixedly connected to the inner sides of the two sides of the U-shaped fan fixing frame 4; the rear end of the fan fixing frame 4 is provided with a first hinge seat 5, a seat body of the first hinge seat 5 is provided with a first pivot hole and a circular arc-shaped track groove, the axis of the first pivot hole is parallel to the horizontal plane, and the circular arc-shaped track groove is an 1/2 circle taking the first pivot hole as the center of circle; the top of the first connecting piece 6 is pivotally connected to the first hinge seat 5 of the fan fixing frame 4, a manual adjusting bolt 8 is further arranged at the top of the first connecting piece 6, the manual adjusting bolt 8 is partially arranged in the arc-shaped track groove and can slide in the arc-shaped track groove, the manual adjusting bolt 8 penetrates through the first connecting piece 6 and the first hinge seat 5 to lock the first connecting piece 6 and the first hinge seat 5, and a butterfly knob for twisting the manual adjusting bolt 8 is arranged at the head end of the manual adjusting bolt 8; the first connecting piece 6 is arranged at the top end of the aluminum profile vertical rod 9, and the bottom end of the aluminum profile vertical rod 9 is provided with an electric left-right swinging mechanism;

the electric left-right swinging mechanism comprises a second connecting piece 7 and a motor support, the second connecting piece 7 is connected to the bottom end of an aluminum section bar vertical rod 9, a motor support 10 arranged along the horizontal direction is connected below the second connecting piece 7, a second hinging seat 11 is arranged on the motor support 10, a second pivoting hole is arranged on a seat body of the second hinging seat 11, and the axis of the second pivoting hole is perpendicular to the axis of the first pivoting hole; the lower part of the second connecting piece 7 is pivotally connected to a second hinge seat 11 of the motor support 10; a second motor 12 is arranged on the motor support 10, an output shaft of the second motor 12 is fixedly connected with a first straight gear 13, the first straight gear 13 is meshed with a second straight gear 14, and the second straight gear 14 is arranged on a gear shaft 15; a first bevel gear 16 is further sleeved at one end of the gear shaft 15, which is far away from the second straight gear 14, and a key for transmission connection with the first bevel gear 16 is arranged on the outer wall of the gear shaft 15; the gear shaft 15 is mounted on the motor support 10 through a bearing, and the gear shaft 15 can axially move; the gear shaft 15 has a first position and a second position in the axial direction; when the gear shaft 15 is at the first position, the gear shaft 15 and the first bevel gear 16 are in a transmission connection state, and when the gear shaft 15 is at the second position, the gear shaft 15 and the first bevel gear 16 are in a separation state; the first bevel gear 16 is meshed with the second bevel gear 17, and the axis of the first bevel gear 16 is vertical to the axis of the second bevel gear 17; the wheel shaft of the second bevel gear 17 is fixedly connected with one end of a crank 18, the other end of the crank 18 is rotatably connected with one end of a connecting rod 19, and the other end of the connecting rod 19 is hinged with the first connecting piece 6;

the bottom surface of the motor support 10 is provided with a plurality of first mounting holes for being assembled with the base 3; the top surface of the base 3 is provided with a connecting boss 20 for assembling with a motor support, and the connecting boss 20 is provided with a plurality of second mounting holes which are in one-to-one correspondence with the positions of the first mounting holes; the base 3 is divided into an upper cover 21 and a lower cover 22, and the upper cover 21 and the lower cover 22 are fixedly connected through bolts; a cylindrical clamping area which is matched with the shape of the bedside rail is formed between the upper cover 21 and the lower cover 22, and rubber pads are arranged on the inner sides of the upper cover 21 and the lower cover 22 at the positions of the clamping area; the lower cover 22 is further provided with a fastening bolt 23, and the tail end of the fastening bolt 23 penetrates through the lower cover and extends to the clamping area.

The specific working principle is as follows: when the direction of the upper part and the lower part of the fan head needs to be adjusted. Firstly, the manual adjusting nut is unscrewed, then the fan can rotate up and down within the range limited by the arc-shaped track groove, and after the fan reaches a specified position, the manual adjusting bolt 8 is screwed down, so that the up-and-down adjustment of the direction of the head of the fan is completed. When the left and right directions of the fan head need to be adjusted. The second motor 12 is energized to drive the second spur gear 14 to rotate. The gear shaft 15 is pulled in the direction of the first bevel gear 16, so that keys on the gear shaft 15 are clamped into clamping grooves of the first bevel gear 16, the second bevel gear 14 can drive the first bevel gear 16 to rotate, the first bevel gear 16 and the second bevel gear 17 are used for transmission, the crank 18 is finally driven to do circular motion, the connecting rod 19 is driven to do reciprocating swing, and left and right air sweeping of the fan is achieved. When the wind sweeping needs to be stopped, the gear shaft 15 is pushed back to the original position, the connection with the first bevel gear 16 is disconnected, and the wind sweeping is stopped. When the base 3 is used for clamping on a bedside rail, the lower cover 22 is taken down firstly, a bedside metal round pipe is sleeved into a cylindrical clamping area of the lower cover, then the upper cover 21 is covered to screw the nut of the fastening bolt, and the fastening of the whole fan is realized in a working mode similar to that of a fastening screw.

The embodiments described in this specification are merely illustrative of implementations of the inventive concepts, and the scope of the invention should not be considered limited to the specific forms set forth in the embodiments, but rather the scope of the invention is intended to include equivalent technical means as would be understood by those skilled in the art from the inventive concepts.

Claims

1. A bedside fan comprises a support body capable of rotating up and down and swinging left and right, wherein the upper end of the support body is connected with a fan head, and the lower end of the support body is detachably connected with a base used for being installed on a bedside; the method is characterized in that: the bracket body consists of a manual up-and-down oscillating mechanism and an electric left-and-right oscillating mechanism;

2. A bedside fan as claimed in claim 1, wherein: the base is divided into an upper cover and a lower cover which are fixedly connected through bolts; a clamping area which is matched with the shape of the bedside rail is formed between the upper cover and the lower cover, and rubber pads are arranged on the inner sides of the upper cover and the lower cover at the positions of the clamping area; the lower cover is also provided with a fastening bolt, and the tail end of the fastening bolt penetrates through the lower cover and extends to the clamping area.

3. A bedside fan as claimed in claim 2, wherein: the clamping area is cylindrical or square.

4. A bedside fan as claimed in claim 1, wherein: and a butterfly knob used for twisting the manual adjusting bolt is arranged at the head end of the manual adjusting bolt.