Motor fan housing

Abstract

The utility model relates to the technical field of motor fitting structures, and particularly discloses a motor fan cover. The fan cover is provided with a fan cover table top, and the edge of the fan cover table top extends downwards to be provided with a mounting ring plate. A wind shield is arranged on the fan cover table board in an upward extending mode, the wind shield is of an annular structure, and the wind shield of the annular structure is provided with a notch. An annular mounting boss is upwards arranged on the fan cover table surface; a central through hole is formed in the middle of the annular mounting boss, and fan blades of the motor are inserted into the central through hole; a first notch end and a second notch end are arranged on the two sides of the notch respectively. According to the motor fan housing of the utility model, the width of the air channel is gradually increased, so that the air flow can be gathered, the blowing area blown to the outlet is gradually increased, and the heat dissipation effect is better.

Description

Technical Field

[0001] The utility model relates to the technical field of motor accessory structures, in particular to a motor wind cover. Background Art

[0002] The motor will generate heat during operation; if used for a long time, the motor must be cooled; therefore, fan blades are usually installed on the motor. When the fan blades rotate, air flow will be generated to dissipate the heat of the electrodes; since the fan blades are generally round, a wind cover is usually set under the fan blades; however, the traditional wind cover is equivalent to a round cover with a simple structure and a single function, which affects the heat dissipation performance of the motor and needs to be improved. Utility Model Content

[0003] The utility model aims to provide a motor wind cover with a width of an air duct gradually changing from small to large, so that the air flow can be gathered, the blowing area blown to the outlet is gradually increased, and the heat dissipation effect is better.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a motor wind shield is provided with a wind shield table, and a mounting ring plate is extended downward from the edge of the wind shield table; a wind shield plate is extended upward on the wind shield table, and the wind shield plate is an annular structure, and the annular wind shield plate is provided with a notch;

[0005] The fan cover table is provided with an annular mounting boss upward; a central through hole is provided in the middle of the annular mounting boss, and the central through hole is used to insert the fan blades of the motor; the two sides of the notch are respectively a first notch end and a second notch end;

[0006] Taking the center point of the annular mounting boss as the circle point, extending along the radial direction to connect to the outer side of the annular mounting boss, a first connection point D1 is provided, and continuing to extend to the inner wall of the mounting ring plate, a second connection point D2 is provided; the width distance between the first connection point D1 and the second connection point D2 is the lateral distance D;

[0007] From the first notch end to the second notch end in a clockwise direction, the lateral distance D gradually changes from small to large.

[0008] Furthermore, a heat dissipation duct is formed between the inner wall of the wind shield and the outer wall of the annular mounting boss; and the width of the heat dissipation duct gradually changes from small to large from the first notch end to the second notch end in a clockwise direction.

[0009] Furthermore, an air outlet guide plate is extended outward from one end of the notch; a wind shield guide portion is included at the rear of the wind shield, i.e., one side of the second notch end; and an air outlet is formed between the air outlet guide plate and the wind shield guide portion.

[0010] Furthermore, the mounting ring plate is provided with a first plane; the front end of the air outlet guide plate is provided with a second plane, and the front end of the wind shield plate guide portion is provided with a third plane; the second plane and the third plane are both located on the extension surface of the first plane.

[0011] Furthermore, the wind cover table includes a bottom side surface, and the inner wall of the mounting ring plate and the bottom side surface together form a mounting chamber for mounting the motor body.

[0012] Furthermore, a plurality of mounting ribs are provided on the inner edge of the central through hole; and mounting holes are provided on the mounting ribs.

[0013] Furthermore, the mounting rib plate passes through from the bottom side surface to the upper surface of the wind shield table top.

[0014] In the utility model, a wind shield is provided on the wind hood table top, extending upward, and the wind shield is a ring-shaped structure, and the wind shield of the ring-shaped structure is provided with a notch; a heat dissipation duct is formed between the inner wall of the wind shield and the outer wall of the ring-shaped mounting boss; from the first notch end to the second notch end in a clockwise direction; the width of the heat dissipation duct gradually changes from small to large; therefore, the airflow can enter from a small opening and exit from a large opening, and the airflow dispersion area gradually increases, and the airflow is dispersed outward at the largest air outlet, so the heat dissipation effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0016] Figure 1 It is a structural schematic diagram of the motor wind cover of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the motor wind cover of the utility model from another perspective;

[0018] Figure 3 It is a schematic diagram of the flow direction structure of the airflow when the motor wind cover of the utility model is in use;

[0019] Figure 4 It is a schematic diagram of the bottom structure of the motor wind cover of the utility model. DETAILED DESCRIPTION

[0020] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0022] like Figures 1 to 4 The figure is a schematic diagram of the structure of the motor wind shield of the utility model; the motor wind shield of the utility model is provided with a wind shield table 1, and a mounting ring plate 2 is provided downwardly extending from the edge of the wind shield table 1; a wind shield plate 3 is provided upwardly extending on the wind shield table 1, and the wind shield plate 3 is an annular structure, and the annular wind shield plate 3 is provided with a notch 31;

[0023] The fan cover table 1 is provided with an annular mounting boss 4 upward; a central through hole 11 is provided in the middle of the annular mounting boss 4, and the central through hole 11 is used to insert the fan blades of the motor; the two sides of the notch 31 are respectively a first notch end A and a second notch end B;

[0024] Taking the center point of the annular mounting boss 4 as the circle point, extending along the radial direction to connect to the outer side of the annular mounting boss 4, a first connection point D1 is provided, and continuing to extend to the inner wall of the mounting ring plate 2, a second connection point D2 is provided; the width distance between the first connection point D1 and the second connection point D2 is the lateral distance D;

[0025] From the first notch end A to the second notch end B in a clockwise direction, the lateral distance D gradually changes from small to large.

[0026] Therefore, in the present invention, a heat dissipation duct 5 is formed between the inner wall of the windshield plate 3 and the outer wall of the annular mounting boss 4; from the first notch end A to the second notch end B in a clockwise direction; the width of the heat dissipation duct 5 gradually changes from small to large.

[0027] Preferably, an air outlet guide plate 61 is extended outward from one end of the notch 31 ; a wind shield guide portion 62 is included at the rear of the wind shield 3 , i.e., on one side of the second notch end B; an air outlet is formed between the air outlet guide plate 61 and the wind shield guide portion 62 .

[0028] In the utility model, after the motor is started, the fan blades will rotate, and the rotating fan blades will generate airflow, which enters the air duct from the first notch end A and is dispersed from the air outlet at the second notch end B; therefore, the airflow enters the air duct, enters from the small opening at the first notch end A, and exits from the large opening at the second notch end B, and the airflow dispersion area gradually increases, and is dispersed outwards at the largest air outlet, thereby achieving a good heat dissipation effect.

[0029] Exemplarily, the mounting ring plate 2 is provided with a first plane; the front end of the air outlet guide plate 61 is provided with a second plane, and the front end of the wind shield guide portion 62 is provided with a third plane; the second plane and the third plane are both located on the extension surface of the first plane.

[0030] In the utility model, the wind shield table 1 includes a bottom side surface 12, and the inner wall of the mounting ring plate 2 and the bottom side surface 12 together form a mounting chamber for mounting the motor body; a plurality of mounting ribs 13 are provided on the inner edge of the central through hole 11; mounting holes 14 are provided on the mounting ribs 13; the mounting ribs 13 extend from the bottom side surface 12 to the upper surface of the wind shield table 1.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A motor fan cover, characterized in that: The motor wind shield is provided with a wind shield table (1), and a mounting ring plate (2) is provided extending downward from the edge of the wind shield table (1); a wind shield plate (3) is provided extending upward on the wind shield table (1), and the wind shield plate (3) is an annular structure, and a notch (31) is provided on the annular wind shield plate (3); The fan cover table (1) is provided with an annular mounting boss (4) upward; a central through hole (11) is provided in the middle of the annular mounting boss (4), and the central through hole (11) is used to insert the fan blades of the motor; the two sides of the notch (31) are respectively a first notch end (A) and a second notch end (B); Taking the center point of the annular mounting boss (4) as a circle point, a first connection point (D1) is provided along the radial direction to connect to the outer side of the annular mounting boss (4), and a second connection point (D2) is provided to continue to extend to the inner wall of the mounting ring plate (2); the width distance between the first connection point (D1) and the second connection point (D2) is a transverse distance D; From the first notch end (A) to the second notch end (B) in a clockwise direction, the lateral distance D gradually changes from small to large.

2. The motor fan cover according to claim 1, characterized in that: A heat dissipation duct (5) is formed between the inner wall of the windshield plate (3) and the outer wall of the annular mounting boss (4); the width of the heat dissipation duct (5) gradually changes from small to large from the first notch end (A) to the second notch end (B) in a clockwise direction.

3. The motor fan cover according to claim 1, characterized in that: An air outlet guide plate (61) is provided at one end of the notch (31) extending outward; a windshield guide portion (62) is included at the rear of the windshield (3), i.e., on one side of the second notch end (B); and an air outlet is formed between the air outlet guide plate (61) and the windshield guide portion (62).

4. The motor fan cover according to claim 3, characterized in that: The mounting ring plate (2) is provided with a first plane; the front end of the air outlet guide plate (61) is provided with a second plane, and the front end of the wind shield guide portion (62) is provided with a third plane; the second plane and the third plane are both located on the extension surface of the first plane.

5. The motor fan cover according to claim 2, characterized in that: The fan cover table (1) comprises a bottom side surface (12), and the inner wall of the mounting ring plate (2) and the bottom side surface (12) together form a mounting chamber for mounting the motor body.

6. The motor fan cover according to claim 5, characterized in that: A plurality of mounting ribs (13) are provided on the inner edge of the central through hole (11); and mounting holes (14) are provided on the mounting ribs (13).

7. The motor fan cover according to claim 6, characterized in that: The mounting rib plate (13) penetrates from the bottom side surface (12) to the upper surface of the wind shield table (1).

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