Brushless cooling fan for hybrid vehicles

Abstract

The utility model belongs to the technical field of fans, and particularly relates to a brushless cooling fan for hybrid electric vehicles. The utility model includes a motor assembly, a fan blade assembly is arranged on the outer jacket of the motor assembly, the motor assembly is inserted into a limiting part, and the limiting part is placed in the middle of the fence part, and the fence part is placed on the back of the wind shield, a back cover is arranged in the middle of the back of the fence part to seal the motor assembly, a positioning path is arranged on the fence part, an electric connection line is arranged on one side of the motor assembly, and the electric connection line is inserted into the positioning path for fixing, a positioning recess is arranged on the wind shield, and a section of the electric connection line and a connecting head are arranged in the back of the positioning recess, a shock-absorbing pad is arranged on the back of the wind shield, and positioning blocks are arranged on both sides of the wind shield. The utility model uses the motor assembly to work as a brushless DC motor, which increases the service life, working efficiency and performance of the entire device, reduces mechanical noise and mechanical wear, and has no commutation sparks.

Description

Technical Field

[0001] The utility model belongs to the technical field of fans and relates to a brushless cooling fan dedicated to a hybrid electric vehicle. Background Art

[0002] The function of the automobile cooling fan is to dissipate heat from the engine and coolant to ensure that the engine does not malfunction due to high temperature. The automobile engine must be properly cooled in a high-temperature working environment to keep it working at a suitable temperature to meet the requirements of good engine performance, durability and exhaust emissions. Existing automobile cooling fans all use permanent magnet brushed DC motors, but after use, the cooling fan has the problems of short life, low efficiency, unstable performance, etc., accompanied by large mechanical noise and mechanical wear, and low reliability due to sparks generated during commutation at work. Therefore, in view of the above problems, a brushless cooling fan dedicated to oil-electric hybrid vehicles is proposed. Utility Model Content

[0003] The utility model aims to solve the above problems and provides a brushless cooling fan for hybrid vehicles.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A brushless cooling fan for a hybrid electric vehicle comprises a motor assembly, wherein the motor assembly is inserted in the middle of a fan blade assembly, and the fan blade assembly is placed in the middle of a wind shield, and a protective ring is provided in the middle of the wind shield, a fence portion is provided in the middle of the back of the wind shield, and a limiting portion is provided in the middle of the fence portion, a back end of the motor assembly is inserted in the limiting portion, a rear cover is provided in the middle of the back of the fence portion, a positioning path is provided on one side of the fence portion, an electric connection line and a connecting head are provided on one side of the motor assembly, and the electric connection line is inserted in the positioning path, a shock-absorbing pad is provided on the upper back of the wind shield, and positioning blocks are provided on both sides of the wind shield.

[0006] In the above-mentioned brushless cooling fan for hybrid vehicles, the motor assembly is provided with a fixedly connected fan blade assembly, and the front surface of the motor assembly is flush with the middle surface of the fan blade assembly. A plurality of hexagonal pan head anti-loosening bolts with a medium are inserted and fixedly connected in the motor assembly, and the plurality of hexagonal pan head anti-loosening bolts with a medium are equidistant.

[0007] In the above-mentioned brushless cooling fan dedicated to hybrid vehicles, the front side of the wind shield is fixedly connected to the protective ring, the back side of the wind shield is fixedly connected to the fence part, and reinforcing ribs are provided inside the fence part. At the same time, the fence part protrudes from the back side of the wind shield, and the middle part of the fence part is fixedly connected to the limiting part.

[0008] In the above-mentioned brushless cooling fan for hybrid vehicles, the motor assembly is inserted and fixedly connected between the wind shield and the limiting part, and there is a distance between the reinforcing ribs of the fence part and the blades of the fan blade assembly. At the same time, there is a distance between the blades of the fan blade assembly and the protective ring, and the front of the motor assembly is flush with the front of the wind shield.

[0009] In the above-mentioned brushless cooling fan dedicated to hybrid vehicles, the middle of the back side of the fence part is fixedly connected to the rear cover, and toothed bolts with hexagonal flange bearing surfaces and self-tapping screws with hexagonal flange surfaces are inserted into the fence part and the rear cover, forming a gap between the inner side of the rear cover and the back end of the motor assembly.

[0010] In the above brushless cooling fan for hybrid vehicles, a positioning recess is provided above one side of the wind shield, a positioning path is fixedly connected to the upper side of the fence, and the positioning path is connected to the back side of the positioning recess.

[0011] In the above brushless cooling fan for hybrid electric vehicles, one side of the motor assembly is fixedly connected to an electric connection line, and the outer end of the electric connection line is fixedly connected to the connecting head.

[0012] In the above brushless cooling fan for hybrid vehicles, the middle portion of the electric connection line is inserted into the fixed connection positioning channel, and the outer portion of the electric connection line and the connecting head are inserted into the back of the fixed connection positioning recess.

[0013] In the above brushless cooling fan for hybrid electric vehicles, a shock absorbing pad is fixedly connected to the upper back of the wind shield, and there is a distance between the shock absorbing pad and the upper part of the fence.

[0014] In the above brushless cooling fan for hybrid electric vehicles, both sides of the wind shield are fixedly connected to the positioning block parts, and the positioning blocks are provided with positioning holes.

[0015] Compared with the existing technology, the advantages of the utility model are:

[0016] The utility model is provided with a fan blade assembly through the outer sleeve of a motor assembly, the motor assembly is inserted into a limiting part, and the limiting part is placed in the middle of a fence part, and the fence part is placed on the back of a wind shield, a rear cover is provided in the middle of the back of the fence part to seal the motor assembly, a positioning path is provided on the fence part, an electric connection line is provided on one side of the motor assembly, and the electric connection line is inserted into the positioning path for fixing, a positioning recess is provided on the wind shield, and a section of the electric connection line and a connecting head are provided in the back of the positioning recess, a shock-absorbing pad is provided on the back of the wind shield, and positioning blocks are provided on both sides of the wind shield, the motor assembly is operated by a brushless DC motor, the service life, working efficiency and performance of the entire device are increased, mechanical noise and mechanical wear are reduced, and there is no commutation spark.

[0017] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an overall front view schematic diagram of the utility model;

[0019] Figure 2 This is the overall back view of the utility model

[0020] Figure 3 It is an overall side view schematic diagram of the utility model;

[0021] Figure 4 It is a front view schematic diagram of the internal structure of the wind shield of the utility model;

[0022] Figure 5 It is a side view schematic diagram of the wind shield of the utility model.

[0023] In the figure: 1. Motor assembly; 2. Wind shield; 3. Fan blade assembly; 4. Hexagon socket pan head anti-loosening bolt with medium; 5. Hexagon socket flange bearing surface toothed bolt; 6. Hexagon flange surface self-tapping screw; 7. Back cover; 8. Shock-absorbing pad; 9. Positioning channel; 10. Electrical connection; 11. Positioning recess; 12. Connecting head; 13. Protective ring; 14. Positioning block; 15. Fence; 16. Limiting part. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings.

[0025] like Figure 1-5 As shown, a brushless cooling fan for a hybrid vehicle includes a motor assembly 1, the motor assembly 1 is inserted in the middle of a fan blade assembly 3, and the fan blade assembly 3 is placed in the middle of a wind shield 2, and a protective ring 13 is provided in the middle of the wind shield 2, a fence portion 15 is provided in the middle of the back of the wind shield 2, and a limiting portion 16 is provided in the middle of the fence portion 15, the back end of the motor assembly 1 is inserted in the limiting portion 16, a rear cover 7 is provided in the middle of the back of the fence portion 15, a positioning channel 9 is provided on one side of the fence portion 15, an electric connection line 10 and a connecting head 12 are provided on one side of the motor assembly 1, and the electric connection line 10 is inserted in the positioning channel 9, a shock absorbing pad 8 is provided on the upper back of the wind shield 2, and positioning blocks 14 are provided on both sides of the wind shield 2.

[0026] The fan blade assembly 3 is fixedly connected by being arranged outside the motor assembly 1, and the front surface of the motor assembly 1 is flush with the middle surface of the fan blade assembly 3. A plurality of hexagon socket head anti-loosening bolts 4 with a medium are inserted and fixedly connected in the motor assembly 1, and the plurality of hexagon socket head anti-loosening bolts 4 are equidistant.

[0027] A fan blade assembly 3 is arranged outside the motor assembly 1, and the whole motor assembly 1 is fixed by means of a hexagon socket head anti-loosening bolt 4, so that the motor assembly 1 drives the fan blade assembly 3 to rotate.

[0028] Furthermore, the front side of the wind shield 2 is fixedly connected to the protective ring 13, the back side of the wind shield 2 is fixedly connected to the fence part 15, and reinforcing ribs are provided inside the fence part 15. At the same time, the fence part 15 protrudes from the back side of the wind shield 2, and the middle part of the fence part 15 is fixedly connected to the limiting part 16.

[0029] A protective ring 13, a fence portion 15 and a limiting portion 16 are provided in the wind shield 2 in an integrated manner, so that after the inside of the wind shield 2 is reinforced, external components can be connected.

[0030] Furthermore, the motor assembly 1 is inserted and fixedly connected between the wind shield 2 and the limiting portion 16, and there is a distance between the reinforcing ribs of the fence portion 15 and the blades of the fan blade assembly 3. At the same time, there is a distance between the blades of the fan blade assembly 3 and the protective ring 13, and the front of the motor assembly 1 is flush with the front of the wind shield 2.

[0031] The motor assembly 1 is inserted into the limiting portion 16 in the middle of the entire wind shield 2, so that the motor assembly 1 is placed in the center of the wind shield 2. In this way, when the motor assembly 1 drives the fan blade assembly 3 to rotate, the internal center position is kept stable, and the rotation of the fan blade assembly 3 will not collide with the inner wall of the wind shield 2.

[0032] Furthermore, the middle of the back side of the fence portion 15 is fixedly connected to the rear cover 7, and the hexagonal flange bearing surface toothed bolts 5 and the hexagonal flange surface self-tapping screws 6 are inserted into the fence portion 15 and the rear cover 7 to form a gap between the inner side of the rear cover 7 and the back end of the motor assembly 1.

[0033] A rear cover 7 is provided at the center of the back side of the fence portion 15 , and the rear cover 7 is fixed by toothed bolts 5 on the inner hexagonal flange bearing surface and self-tapping screws 6 on the hexagonal flange surface, so that the rear cover 7 protects the rotating shaft of the motor assembly 1 .

[0034] A positioning recess 11 is provided on one side of the wind shield 2 , and a positioning path 9 is fixedly connected to the upper side of the fence 15 , and the positioning path 9 is connected to the back side of the positioning recess 11 .

[0035] Furthermore, one side of the motor assembly 1 is fixedly connected to the electric connection wire 10 , and the outer end of the electric connection wire 10 is fixedly connected to the connecting head 12 .

[0036] Furthermore, the middle portion of the electrical connection wire 10 is inserted into the fixed connection positioning channel 9 , and the outer portion of the electrical connection wire 10 and the connecting head 12 are inserted into the back side of the fixed connection positioning recess 11 .

[0037] An electric connection wire 10 and a connecting head 12 are provided on one side of the motor assembly 1, and the middle part of the electric connection wire 10 is inserted into the positioning path 9 on the fence part 15 for fixing, so that the electric connection wire 10 will not shake or become disconnected when the car is started. At the same time, the electric connection wire 10 and the connecting head 12 are inserted into the back side of the positioning recess 11, so that the entire electric connection wire 10 and the connecting head 12 are fixed and stable.

[0038] The shock absorbing pad 8 is fixedly connected to the upper back side of the wind shield 2, and there is a distance between the shock absorbing pad 8 and the upper side of the fence portion 15.

[0039] After the shock-absorbing pad 8 is arranged on the back of the wind shield 2, after the wind shield 2 is installed in the car, the shock-absorbing pad 8 provides a buffering effect to the wind shield 2 as a whole, so that the wind shield 2 and the internal parts will not be shaken off or broken.

[0040] Furthermore, both sides of the wind shield 2 are fixedly connected to the positioning block parts 14, and the positioning blocks 14 are provided with positioning holes.

[0041] Positioning blocks 14 are provided on both sides of the wind shield 2 to connect the entire device to the vehicle and fix it.

[0042] Working principle:

[0043] The fan blade assembly 3 is arranged on the outer sleeve of the motor assembly 1, and the fan blades of the fan blade assembly 3 are driven to rotate by the motor assembly 1. The motor assembly 1 is inserted into the limiting portion 16, and the limiting portion 16 is placed in the middle of the fence portion 15. At the same time, the fence portion 15 is placed on the back of the wind shield 2. In this way, the motor assembly 1 and the fan blade assembly 3 are placed inside the wind shield 2 for work. A rear cover 7 is provided in the middle of the back of the fence portion 15 to seal the motor assembly 1 and protect the interior. A positioning path 9 is provided on the fence portion 15, and an electrical connection 10 is provided on one side of the motor assembly 1, and the electrical connection 10 is inserted into the positioning path. 9 is fixed inside, so that the electric connection 10 remains stable when the car is bumpy, a positioning recess 11 is provided on the wind shield 2, and a section of the electric connection 10 and a connecting head 12 are provided in the back of the positioning recess 11, so that the motor assembly 1, the electric connection 10 and the connecting head 12 are all stabilized, a shock-absorbing pad 8 is provided on the back of the wind shield 2 to cushion the entire device, and positioning blocks 14 are provided on both sides of the wind shield 2 to be connected to the car for fixing, and the motor assembly 1 is used to work inside to drive the fan blade assembly 3 to rotate for cooling, and the motor assembly 1 is a brushless DC motor.

[0044] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways without departing from the spirit of the present invention.

[0045] Although this article uses more terms such as 1, motor assembly; 2, wind shield; 3, fan blade assembly; 4, hexagon socket head anti-loosening bolt; 5, hexagon socket flange bearing surface toothed bolt; 6, hexagon flange self-tapping screw; 7, back cover; 8, shock-absorbing pad; 9, positioning channel; 10, electrical connection; 11, positioning recess; 12, connecting head; 13, protective ring; 14, positioning block; 15, fence; 16, limiter, etc., it does not exclude the possibility of using other terms. The use of these terms is only for more convenient description and explanation of the essence of the utility model. It is contrary to the spirit of the utility model to interpret them as any additional restrictions.

Claims

1. A brushless cooling fan for a hybrid vehicle, comprising a motor assembly (1), characterized in that: The motor assembly (1) is inserted into the middle of the fan blade assembly (3), and the fan blade assembly (3) is placed in the middle of the wind shield (2), and a protective ring (13) is provided in the middle of the wind shield (2). A fence portion (15) is provided in the middle of the back of the wind shield (2), and a limiting portion (16) is provided in the middle of the fence portion (15). The back end of the motor assembly (1) is inserted in the limiting portion (16), and a rear cover (7) is provided in the middle of the back of the fence portion (15). A positioning path (9) is provided on one side of the fence portion (15). An electric connection line (10) and a connecting head (12) are provided on one side of the motor assembly (1), and the electric connection line (10) is inserted in the positioning path (9). A shock-absorbing pad (8) is provided on the upper back of the wind shield (2), and positioning blocks (14) are provided on both sides of the wind shield (2).

2. The brushless cooling fan for hybrid vehicles according to claim 1, characterized in that: The motor assembly (1) is provided with a fan blade assembly (3) fixedly connected to the outer surface, and the front surface of the motor assembly (1) is flush with the middle surface of the fan blade assembly (3). A plurality of hexagonal pan head anti-loosening bolts (4) with a medium are inserted and fixedly connected to the motor assembly (1), and the plurality of hexagonal pan head anti-loosening bolts (4) are equidistant.

3. The brushless cooling fan for hybrid vehicles according to claim 2, characterized in that: The front of the wind shield (2) is fixedly connected to a protective ring (13), the back of the wind shield (2) is fixedly connected to a fence portion (15), and a reinforcing rib is arranged inside the fence portion (15). The fence portion (15) protrudes from the back of the wind shield (2), and the middle of the fence portion (15) is fixedly connected to a limiting portion (16).

4. The brushless cooling fan for hybrid vehicles according to claim 3, characterized in that: The motor assembly (1) is inserted and fixedly connected between the wind shield (2) and the limiting portion (16), and there is a distance between the reinforcing ribs of the fence portion (15) and the blades of the fan blade assembly (3), and there is a spacing between the blades of the fan blade assembly (3) and the protective ring (13), and the front of the motor assembly (1) is flush with the front of the wind shield (2).

5. The brushless cooling fan for hybrid vehicles according to claim 4, characterized in that: The middle of the back side of the fence part (15) is fixedly connected to the rear cover (7), and the hexagonal flange bearing surface toothed bolts (5) and hexagonal flange surface self-tapping screws (6) are inserted into the fence part (15) and the rear cover (7), and there is a gap between the inner side of the rear cover (7) and the back end of the motor assembly (1).

6. The brushless cooling fan for hybrid vehicles according to claim 5, characterized in that: A positioning recess (11) is provided on one side of the wind shield (2), and a positioning path (9) is fixedly connected to the upper side of the fence (15), and the positioning path (9) is connected to the back side of the positioning recess (11).

7. The brushless cooling fan for hybrid vehicles according to claim 6, characterized in that: One side of the motor assembly (1) is fixedly connected to an electric connection line (10), and the outer end of the electric connection line (10) is fixedly connected to a connecting head (12).

8. The brushless cooling fan for hybrid vehicles according to claim 7, characterized in that: The middle part of the electric connection wire (10) is inserted into the fixed connection positioning channel (9), and the outer section of the electric connection wire (10) and the connecting head (12) are inserted into the back side of the fixed connection positioning recess (11).

9. The brushless cooling fan for hybrid vehicles according to claim 8, characterized in that: A shock-absorbing pad (8) is fixedly connected to the upper back of the wind shield (2), and there is a distance between the shock-absorbing pad (8) and the upper part of the fence part (15).

10. The brushless cooling fan for hybrid vehicles according to claim 9, characterized in that: Both sides of the wind shield (2) are fixedly connected to the positioning block parts (14), and the positioning blocks (14) are provided with positioning holes.

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