Anti-hand-beating fan

Abstract

The utility model relates to the technical field of fans, and discloses an anti-hand-beating fan which comprises a rear cover body and a front cover body connected with the rear cover body, a plurality of ventilation grooves are formed in the outer surface of the rear cover body and the outer surface of the front cover body, infrared sensors are embedded in the inner walls of the ventilation grooves, a rotating motor is arranged in the rear cover body, and the rotating motor is connected with the front cover body. A transmission shaft of the rotating motor is provided with an installation disc, fan blades are arranged on the surface of the installation disc, a protection ring is arranged at the front ends of the fan blades and made of rubber, a fixing disc is rotationally arranged on the back face of the rear cover body, and an installation part is arranged on the side, away from the rear cover body, of the fixing disc. The protective rings made of rubber are arranged at the front ends of the fan blades, so that the protective effect can be achieved, the hand cannot be hurt after the fan blades are touched, signals can be sent out through the arranged infrared sensors when fingers or other objects enter the cover body, the rotating motor is controlled to stop working, the anti-touch effect is achieved, and the protective effect is good. The safety performance is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fans, in particular to a hand-beating prevention fan. Background Art

[0002] A fan is a household appliance that uses an electric motor to drive the blades to rotate to accelerate the circulation of air. It is mainly used for cooling and circulating air. Most cooling fans have exposed blades for easy installation, but this can easily cause people to accidentally touch the blades when they reach out to touch the cooling fan, which may cause injuries to the hands when the cooling fan is running.

[0003] After searching, a micro cooling fan with anti-mistouch is disclosed in application number CN202320490887.1, which relates to the technical field of cooling fans, including a main body, a support plate is fixedly installed on the inner surface of the main body, a motor is fixedly installed on the side of the support plate, a fan blade is fixedly installed on the output end of the motor, a protective mesh cover is arranged on the side of the main body, a magnet bar is fixedly installed on the side of the protective mesh cover, a positioning rod is fixedly connected to the side of the protective mesh cover, and an iron sheet is fixedly installed on the side of the main body. According to the side on which the cooling fan is installed, a protective mesh cover can be added on the opposite side thereof to cover the fan blades. When the hand touches the cooling fan, the hand can avoid contact with the fan blades. The protective mesh cover can be initially installed on the side of the cooling fan through the positioning rod and the positioning hole. The use of the magnet bar and the iron sheet can completely fix the protective mesh cover. In addition, through this installation method, the protective mesh cover can also be quickly disassembled to clean the dust on its two side surfaces;

[0004] However, the above method still has the following defects in actual use: although the fan is provided with a wind shield for protection, fingers and other objects can still enter the interior through the wind shield, and dangerous situations may occur after touching the fan blades. Utility Model Content

[0005] The utility model aims to provide a hand-beating-proof fan, which can prevent fingers from entering the interior and touching the fan blades to cause injuries, and has a high safety performance.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions: an anti-hand-beating fan, comprising a rear cover body and a front cover body connected thereto, the outer surfaces of the rear cover body and the front cover body are provided with a plurality of ventilation grooves, the inner walls of the ventilation grooves are embedded with infrared sensors, a rotating motor is provided inside the rear cover body, a drive shaft of the rotating motor is provided with a fan blade disk, the surface of the fan blade disk is provided with fan blades, a protective ring is provided at the front end of the fan blade, the protective ring is made of rubber, a fixed disk is rotatably provided on the back side of the rear cover body, and a mounting component is provided on the side of the fixed disk away from the rear cover body.

[0007] The utility model is further configured as follows: a mounting shaft is provided on the back of the rear cover body, a universal ball is provided on the end of the mounting shaft away from the rear cover body, a locking claw is provided on the side of the fixed plate close to the rear cover body, and the universal ball is engaged in the inside of the locking claw, and a locking sleeve is provided on the surface of the locking claw.

[0008] The utility model is further configured as follows: a mounting plate is provided at one end of the mounting shaft close to the rear cover body, and the mounting plate is connected to the back side of the rear cover body through mounting screws.

[0009] The utility model is further configured as follows: a threaded column is provided on one side of the fixing plate close to the mounting component.

[0010] The utility model is further configured as follows: the mounting component comprises a mounting frame, a threaded hole one which is threadedly connected to a threaded column is provided in the middle of the mounting frame, and a mounting hole is provided at the outer end of the mounting frame.

[0011] The utility model is further configured as follows: the installation component comprises a connecting plate, a middle portion of the connecting plate is provided with two threaded holes threadedly connected to the threaded column, and a hand-held rod is provided on a side of the connecting plate away from the fixed plate.

[0012] The utility model is further configured as follows: a connecting frame is provided on a side of the connecting disk away from the fixed disk, the hand-held rod is arranged on one side of the connecting frame, and a handle is provided at the bottom end of the hand-held rod.

[0013] The utility model is further configured as follows: at least two connection seats 1 are provided on the surface of the rear cover body, at least two connection seats 2 are provided on the surface of the front cover body, and adjacent connection seats 1 and 2 are connected by connecting bolts.

[0014] To sum up, the utility model has the following beneficial effects: the utility model can play a protective role by arranging a rubber protective ring at the front end of the fan blade, and will not cause harm to the hands after touching the fan blade. The infrared sensor can send a signal when a finger or other object enters the inside of the cover, control the rotating motor to stop working, play an anti-touch effect, improve safety performance, and the heat dissipation direction can be adjusted according to actual conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of Example 1 of the utility model;

[0016] Figure 2 For this utility model Figure 2 Schematic diagram of the three-dimensional explosion structure;

[0017] Figure 3 This is a schematic diagram of the three-dimensional structure of Example 2 of the utility model;

[0018] Figure 4 For this utility model Figure 3 Schematic diagram of the three-dimensional explosion structure.

[0019] In the figure: 1. rear cover; 101. connecting seat 1; 2. front cover; 201. connecting seat 2; 3. infrared sensor; 4. rotating motor; 401. fan blade disk; 402. fan blade; 403. protective ring; 5. mounting shaft; 501. mounting plate; 502. mounting screw; 503. universal ball; 6. fixing plate; 601. threaded column; 602. locking claw; 603. locking sleeve; 7. mounting component; 701. mounting frame; 702. threaded hole 1; 703. mounting hole; 704. connecting plate; 705. threaded hole 2; 706. connecting frame; 707. hand-held rod; 708. handle. DETAILED DESCRIPTION

[0020] The present invention will be further described below with reference to the accompanying drawings in the embodiments of the present invention.

[0021] Example 1

[0022] See also Figures 1-2 In the embodiment of the utility model, the anti-hand-beating fan comprises a rear cover body 1 and a front cover body 2 connected thereto, the outer surfaces of the rear cover body 1 and the front cover body 2 are provided with a plurality of ventilation slots, the inner walls of the ventilation slots are embedded with infrared sensors 3, a rotating motor 4 is provided inside the rear cover body 1, a drive shaft of the rotating motor 4 is provided with a fan blade disk 401, the surface of the fan blade disk 401 is provided with fan blades 402, and a front end of the fan blade 402 is provided with a protective ring 403, the protective ring 403 is made of rubber material, and can play a protective role when the finger touches the fan blade 402 to prevent hand injury, a controller electrically connected to the infrared sensor 3 is provided inside the rear cover body 1, and the controller is electrically connected to the rotating motor 4, when the user's finger passes through the ventilation slot and enters the interior, the infrared sensor 3 is blocked and detects a signal, and transmits the signal to the controller, the controller controls the rotating motor 4 to stop working, a fixed disk 6 is rotatably provided on the back of the rear cover body 1, and a mounting component 7 is provided on the side of the fixed disk 6 away from the rear cover body 1, to install the fan;

[0023] In this embodiment, preferably, at least two connection seats 101 are provided on the surface of the rear cover body 1, and at least two connection seats 201 are provided on the surface of the front cover body 2, and the adjacent connection seats 101 and 201 are connected by connecting bolts, so that the rear cover body 1 and the front cover body 2 can be quickly connected and easy to disassemble;

[0024] In this embodiment, preferably, a mounting shaft 5 is provided on the back of the rear cover body 1, a universal ball 503 is provided at one end of the mounting shaft 5 away from the rear cover body 1, a locking claw 602 is provided on the side of the fixed plate 6 close to the rear cover body 1, and the universal ball 503 is engaged inside the locking claw 602, and a locking sleeve 603 is provided on the surface thread of the locking claw 602 to limit the position of the universal ball 503 inside the locking claw 602, so that the rotation of the universal ball 503 has a damping force;

[0025] In this embodiment, preferably, a mounting plate 501 is provided at one end of the mounting shaft 5 close to the rear cover body 1, and the mounting plate 501 is connected to the back of the rear cover body 1 through mounting screws 502, so as to facilitate the installation between the mounting shaft 5 and the rear cover body 1;

[0026] In this embodiment, preferably, a threaded column 601 is provided on one side of the fixing plate 6 close to the mounting component 7, so as to be assembled and used in conjunction with the mounting component 7;

[0027] In this embodiment, preferably, the installation component 7 includes a mounting frame 701, and a threaded hole 702 threadedly connected to the threaded column 601 is provided in the middle of the mounting frame 701. The threaded cooperation between the threaded hole 702 and the threaded column 601 facilitates the rapid disassembly and assembly of the mounting component 7. A mounting hole 703 is provided at the outer end of the mounting frame 701, and the mounting hole 703 is used to facilitate the installation of the mounting frame 701 on the wall.

[0028] Example 2

[0029] See also Figures 3-4 In the embodiment of the utility model, the installation component 7 includes a connecting plate 704, and a second threaded hole 705 threadedly connected to the threaded column 601 is provided in the middle of the connecting plate 704. The threaded cooperation between the second threaded hole 705 and the threaded column 601 facilitates the quick disassembly and assembly of the installation component 7. A hand-held rod 707 is provided on the side of the connecting plate 704 away from the fixed plate 6 for easy hand-holding by the staff;

[0030] In this embodiment, preferably, a connecting frame 706 is provided on the side of the connecting plate 704 away from the fixed plate 6, a hand-held rod 707 is provided on one side of the connecting frame 706, and a handle 708 is provided at the bottom end of the hand-held rod 707. The handle 708 and the hand-held rod 707 facilitate hand-held cooling of the fan.

[0031] When the fan is used, when it is necessary to install the fan on a wall, the threaded hole 702 in the mounting frame 701 is threadedly connected to the threaded column 601, and the fan is installed on the wall through the mounting hole 703 of the mounting frame 701;

[0032] When the fan needs to be handheld, the second threaded hole 705 in the middle of the connection plate 704 is threadedly connected to the threaded column 601 to limit the position of the connection plate 704, and the fan is handheld by the hand-held rod 707 and the handle 708;

[0033] When the user's finger passes through the ventilation slot and enters the interior, the infrared sensor 3 is blocked and detects a signal, and transmits the signal to the controller, which controls the rotating motor 4 to stop working, thereby controlling the fan blade 402 to stop rotating, and a rubber protective ring 403 is arranged at the front end of the fan blade 402 to play a protective role, so that even if the fan blade 402 is touched, it will not cause damage to the hand;

[0034] When the heat dissipation direction of the fan needs to be adjusted, the universal ball 503 is only engaged inside the locking claw 602 under the action of the locking sleeve 603, so that the rotation direction of the universal ball 503 can be flexibly adjusted and has damping properties, and is not prone to self-rotation, thereby adjusting the heat dissipation direction of the fan.

[0035] The above description is only a preferred embodiment of the present utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the present utility model patent application are included in the scope of the present utility model patent application.

Claims

1. An anti-hand-beating fan, comprising a rear cover (1) and a front cover (2) connected thereto, characterized in that: The outer surfaces of the rear cover body (1) and the front cover body (2) are provided with a plurality of ventilation slots, the inner walls of the ventilation slots are embedded with infrared sensors (3), the interior of the rear cover body (1) is provided with a rotating motor (4), the transmission shaft of the rotating motor (4) is provided with a fan blade disk (401), the surface of the fan blade disk (401) is provided with fan blades (402), the front ends of the fan blades (402) are provided with protective rings (403), the protective rings (403) are made of rubber, the back side of the rear cover body (1) is rotatably provided with a fixed disk (6), and the side of the fixed disk (6) away from the rear cover body (1) is provided with a mounting component (7).

2. The anti-beater fan according to claim 1, characterized in that: The back of the rear cover body (1) is provided with a mounting shaft (5), and the end of the mounting shaft (5) away from the rear cover body (1) is provided with a universal ball (503). The side of the fixed plate (6) close to the rear cover body (1) is provided with a locking claw (602), and the universal ball (503) is engaged with the inside of the locking claw (602). The surface of the locking claw (602) is provided with a locking sleeve (603) in a threaded manner.

3. The anti-beater fan according to claim 2, characterized in that: A mounting plate (501) is provided at one end of the mounting shaft (5) close to the rear cover body (1), and the mounting plate (501) is connected to the back side of the rear cover body (1) via mounting screws (502).

4. The anti-beater fan according to claim 1, characterized in that: A threaded column (601) is provided on one side of the fixing plate (6) close to the mounting component (7).

5. The anti-beater fan according to claim 4, characterized in that: The mounting component (7) comprises a mounting frame (701), a threaded hole (702) threadedly connected to the threaded column (601) is provided in the middle of the mounting frame (701), and a mounting hole (703) is provided at the outer end of the mounting frame (701).

6. The anti-beater fan according to claim 4, characterized in that: The mounting component (7) comprises a connecting plate (704), a second threaded hole (705) threadedly connected to the threaded column (601) is provided in the middle of the connecting plate (704), and a hand-held rod (707) is provided on the side of the connecting plate (704) away from the fixed plate (6).

7. The anti-beater fan according to claim 6, characterized in that: A connecting frame (706) is provided on the side of the connecting plate (704) away from the fixed plate (6), the hand-held rod (707) is arranged on one side of the connecting frame (706), and a handle (708) is provided at the bottom end of the hand-held rod (707).

8. The anti-beater fan according to claim 1, characterized in that: The surface of the rear cover body (1) is provided with at least two connection seats 1 (101), and the surface of the front cover body (2) is provided with at least two connection seats 2 (201), and adjacent connection seats 1 (101) and connection seats 2 (201) are connected by connecting bolts.

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