CN215672785U - Cooling fan structure of automobile - Google Patents
Cooling fan structure of automobile Download PDFInfo
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- CN215672785U CN215672785U CN202121480345.3U CN202121480345U CN215672785U CN 215672785 U CN215672785 U CN 215672785U CN 202121480345 U CN202121480345 U CN 202121480345U CN 215672785 U CN215672785 U CN 215672785U
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- 238000001816 cooling Methods 0.000 title claims abstract description 37
- 238000009434 installation Methods 0.000 claims description 33
- 230000000994 depressogenic effect Effects 0.000 claims description 25
- 238000009413 insulation Methods 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 3
- 229920006561 PA66-GF Polymers 0.000 claims description 2
- 238000002679 ablation Methods 0.000 abstract description 9
- 238000004378 air conditioning Methods 0.000 abstract description 9
- 230000009471 action Effects 0.000 description 7
- 239000000243 solution Substances 0.000 description 5
- 238000009423 ventilation Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000009699 differential effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229920009788 PA66 GF30 Polymers 0.000 description 1
- 229920006497 PA66-GF30 Polymers 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the field of automobile parts, in particular to an automobile cooling fan structure which comprises a fan protecting cover, wherein a motor is arranged on the fan protecting cover, and fan blades are arranged on an output shaft of the motor; an air port is formed in the fan air protection cover, and an air door assembly capable of adaptively adjusting the opening of the air door according to the pressure difference of two sides of the fan air protection cover is arranged at the air port; the fan is characterized by further comprising a motor heat shield arranged on the fan shield, and the motor heat shield is located at the end of the motor. The utility model has the advantages that: the fan protects the fan housing and can adjust wind gap aperture according to the speed of a motor real-time, has effectively optimized the vehicle and has low, well, the compromise of the different performance demands of high-speed down to cooling and air conditioning system, and the setting of motor heat shroud has then effectively avoided ablation risks such as motor.
Description
Technical Field
The utility model relates to the field of automobile parts, in particular to an automobile cooling fan structure.
Background
The main function of the cooling system of the automobile is to ensure that the engine can work in the most suitable temperature state under all working conditions, the engine radiator and the condenser of the air conditioning system are often installed together, and the same cooling fan is adopted for ventilation and cooling. The cooling fan is one of the key parts of the automobile, and directly influences the heat exchange performance of an automobile air conditioning system and a cooling system. Along with the more compact arrangement of the front cabin of the whole vehicle, the ventilation resistance of the front cabin is more and more large, and in order to ensure that the cooling fan exerts the maximum performance under various working conditions of the whole vehicle, the fan protecting cover structure needs to be optimized in all aspects; meanwhile, the arrangement of the front cabin is compact, and part of the engine exhausts air forwards, so that the temperature resistance requirements of the fan guard cover and the motor are further improved, and if the design is not proper, the fan is easy to ablate in the using process of the whole vehicle. As shown in fig. 1, which is a schematic view of a motor end cover 1 in the prior art, the motor end cover 1 is generally circular and is a component of a motor in an automotive cooling fan. Fig. 2 is a schematic view of a wind shield 2 in the prior art, in which the wind shield 2 is integrally rectangular, a through hole is formed in the middle of the wind shield for mounting a motor of a fan, and fig. 3 is a schematic view of the motor after being assembled with the wind shield 2 and fan blades 3, that is, an overall schematic view of an automotive cooling fan in the prior art, and further includes a resistor 4 and a connector 5 which are arranged on the wind shield 2.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the technical problems that in the prior art, the opening of an air opening of a fan protecting cover cannot be adjusted in real time according to the vehicle speed, and an ablation risk exists in a fan motor and the like are solved.
The utility model solves the technical problems through the following technical means: an automobile cooling fan structure comprises a fan protection cover, wherein a motor is arranged on the fan protection cover, and fan blades are arranged on an output shaft of the motor;
an air port is formed in the fan air protection cover, and an air door assembly capable of adaptively adjusting the opening of the air door according to the pressure difference of two sides of the fan air protection cover is arranged at the air port;
the fan is characterized by further comprising a motor heat shield arranged on the fan shield, and the motor heat shield is located at the end of the motor.
According to the automobile cooling fan structure, the air door assembly can adaptively adjust the opening of the air door according to the pressure difference of two sides of the fan air protection cover, specifically, under the high speed of a vehicle, the front-back pressure difference of the fan air protection cover is increased, the air door assembly is automatically opened, and larger ventilation heat exchange quantity is provided for heat exchangers such as a condenser, a radiator and the like arranged in front of a cooling fan; when the vehicle is at a low speed, the pressure difference of the fan air protection cover is reduced, the air door assembly is automatically closed, the air conditioning performance at the low speed is ensured, the consideration of the vehicle to different performance requirements of a cooling and air conditioning system at low, medium and high speeds is effectively optimized, and the motor heat insulation cover is arranged to effectively avoid ablation risks such as a motor.
Preferably, a through hole is formed in the fan protecting cover, a circular motor mounting part is coaxially arranged in the through hole, the motor mounting part is connected with the side wall of the through hole through a spoke, and the length direction of the spoke is along the radial direction of the through hole;
the wind gap is located the through-hole side, and the motor coaxial arrangement is in the motor installed part, the motor separates the heat exchanger and installs at motor installed part tip.
Preferably, the tuyere is rectangular.
Preferably, the air door assembly comprises an air door, an air door shaft and a mounting hole;
the air door shaft is arranged at the upper part of the air door, and the mounting hole is arranged at the upper part of the air port; or the air door shaft is arranged at the upper part of the air port, and the mounting hole is arranged at the upper part of the air door;
the air door shaft is in running fit with the mounting hole so as to realize the swing of the air door.
In practical application, when the speed of a motor vehicle is higher, pressure differential grow around the fan protects the fan housing, the air door swings under the pressure differential effect, realize that the wind gap is opened, and the speed of a motor vehicle is higher, the air door aperture is bigger, when the speed of a motor vehicle is lower, the air door then falls under the action of gravity, along with the falling of air door, the air door closes gradually, and the speed of a motor vehicle is lower, the air door aperture is smaller, this air door subassembly structure, the principle is comparatively simple, and its action is comparatively nimble, reliable, and the aperture of air door is driven with the wind-force size when the vehicle traveles, the air door atress size is directly proportional with the vehicle speed of traveling, and then can satisfy the matching of the speed of a motor vehicle and air door aperture, accord with actual demand.
Optimally, the air door shafts are coaxially arranged in a pair and are respectively arranged at the upper parts of two opposite side walls at the air opening;
the mounting holes are arranged in a pair, the mounting holes and the mounting holes are respectively arranged at the upper parts of two sides of the air door, and the two mounting holes are respectively rotatably mounted with the corresponding air door shafts.
Optimally, the side edge of the mounting hole is provided with a mounting notch, and the opening size of the mounting notch is smaller than the aperture of the mounting hole and larger than the diameter of the air door shaft;
the air door shaft can be radially installed in the installation hole along the installation hole from the installation notch.
In practical application, during installation, the air door shaft can be radially pressed in from the installation notch, so that the air door shaft and the installation hole are installed together, and the installation is convenient and reliable, and the operation is convenient and fast.
Preferably, the motor heat shield is made of metal.
Optimized, the motor separates that the heat exchanger is whole to be circular, and its edge sets up three and separates the heat exchanger mounting hole, and three separates the heat exchanger mounting hole along its circumference evenly distributed.
During actual installation, the motor heat shield can be installed on the fan wind shield through the three heat shield installation holes, the three fixing points are uniformly distributed on the circumference, and the uniformity and the stability of fixed stress are effectively guaranteed.
Preferably, a concave part is arranged on one side, facing the motor, of the motor heat insulation cover, and a convex part is correspondingly formed on the other side of the motor heat insulation cover by the concave part;
the depressed part is including being located the circular depressed part in the middle of the motor separates the heat exchanger to and lead to two branch depressed parts that the motor separates the heat exchanger marginal portion, two branch depressed parts and circular depressed part intercommunication, the tip of two branch depressed parts forms first opening, second opening respectively.
The formation of depressed part, bellying can form the strengthening rib structure on the motor heat exchanger that separates, has increased motor heat exchanger bulk strength, can improve the motor heat flow field, has effectively avoided fan motor and pencil ablation risk, and the depressed part of branch still can be used to walk the line to draw forth the pencil from first opening or second opening.
Preferably, the fan wind shield is made of PA66-GF 30.
The utility model has the advantages that:
1. according to the automobile cooling fan structure, the air door assembly can adaptively adjust the opening of the air door according to the pressure difference of two sides of the fan air protection cover, specifically, under the high speed of a vehicle, the front-back pressure difference of the fan air protection cover is increased, the air door assembly is automatically opened, and larger ventilation heat exchange quantity is provided for heat exchangers such as a condenser, a radiator and the like arranged in front of a cooling fan; when the vehicle is at a low speed, the pressure difference of the fan air protection cover is reduced, the air door assembly is automatically closed, the air conditioning performance at the low speed is ensured, the consideration of the vehicle to different performance requirements of a cooling and air conditioning system at low, medium and high speeds is effectively optimized, and the motor heat insulation cover is arranged to effectively avoid ablation risks such as a motor.
2. In practical application, when the speed of a motor vehicle is higher, pressure differential grow around the fan protects the fan housing, the air door swings under the pressure differential effect, realize that the wind gap is opened, and the speed of a motor vehicle is higher, the air door aperture is bigger, when the speed of a motor vehicle is lower, the air door then falls under the action of gravity, along with the falling of air door, the air door closes gradually, and the speed of a motor vehicle is lower, the air door aperture is smaller, this air door subassembly structure, the principle is comparatively simple, and its action is comparatively nimble, reliable, and the aperture of air door is driven with the wind-force size when the vehicle traveles, the air door atress size is directly proportional with the vehicle speed of traveling, and then can satisfy the matching of the speed of a motor vehicle and air door aperture, accord with actual demand.
3. In practical application, during installation, the air door shaft can be radially pressed in from the installation notch, so that the air door shaft and the installation hole are installed together, and the installation is convenient and reliable, and the operation is convenient and fast.
4. During actual installation, the motor heat shield can be installed on the fan wind shield through the three heat shield installation holes, the three fixing points are uniformly distributed on the circumference, and the uniformity and the stability of fixed stress are effectively guaranteed.
5. The formation of depressed part, bellying can form the strengthening rib structure on the motor heat exchanger that separates, has increased motor heat exchanger bulk strength, can improve the motor heat flow field, has effectively avoided fan motor and pencil ablation risk, and the depressed part of branch still can be used to walk the line to draw forth the pencil from first opening or second opening.
Drawings
FIG. 1 is a schematic view of a prior art end cap for an electric machine;
FIG. 2 is a schematic view of a wind guard cover in the prior art;
FIG. 3 is a general schematic view of a prior art automotive cooling fan;
FIG. 4 is a schematic view of a heat shield for an electric machine in accordance with an embodiment of the present invention;
FIG. 5 is a schematic view of a fan shroud according to an embodiment of the present disclosure;
FIG. 6 is a schematic view of an exemplary cooling fan assembly of the present invention;
FIG. 7 is a schematic view of a tuyere in an embodiment of the present invention;
FIG. 8 is a schematic view of a damper according to an embodiment of the present invention;
FIG. 9 is a schematic view of a damper installed at an air opening in an embodiment of the present invention;
FIG. 10 is a schematic view of the damper shaft being installed into the mounting hole in the embodiment of the present invention;
wherein,
a motor end cover-1;
a wind protection cover-2;
fan blade-3;
resistance-4;
a plug connector-5;
the fan comprises a fan wind shield-7, an air door component-71, a through hole-72, a motor mounting piece-73, spokes-74, an air door-711, an air door shaft-712, a mounting hole-713 and a mounting opening-7131;
fan blades-8;
the motor heat shield-9, the heat shield mounting hole-91, the bulge-92, the first opening-93 and the second opening-94.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. 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.
As shown in fig. 6, an automobile cooling fan structure includes a fan wind protection cover 7, fan blades 8, and a motor heat insulation cover 9, and for convenience of description and understanding, the front side and the rear side of the automobile cooling fan in actual installation are referred to as front and rear, the rear side is referred to as rear, and other orientations are referred to as reference.
The fan wind guard 7 is provided with a motor, as shown in fig. 6, an output shaft of the motor is provided with fan blades 8, and the motor can drive the fan blades 8 to work when working; specifically, as shown in fig. 5, the fan wind protection cover 7 in this embodiment is rectangular as a whole, the fan wind protection cover 7 is made of PA66-GF30, and the fan wind protection cover 7 may be formed by injection molding.
As shown in fig. 5, a circular through hole 72 is formed in the fan shroud 7, the through hole 72 is through from front to back, a circular motor mounting member 73 is coaxially disposed in the through hole 72, the motor mounting member 73 is connected with a side wall of the through hole 72 through a spoke 74, and a length direction of the spoke 74 is along a radial direction of the through hole 72; in the present embodiment, 8 spokes 74 are provided, all the spokes 74 are evenly distributed along the circumference of the motor mounting member 73, and the motor is coaxially installed in the motor mounting member 73.
The fan protects and is provided with the wind gap on the fan housing 7, the wind gap is located the through-hole 72 side, the wind gap is the rectangle, and the quantity and the size of sealing are set for according to the actual simulation condition to satisfy the practical application requirement, in this embodiment, set up 4 big air doors, 5 little air doors altogether.
As shown in fig. 5, an air door assembly 71 capable of adaptively adjusting the opening of the air door according to the pressure difference between the two sides of the fan guard cover 7 is disposed at the air door.
Specifically, as shown in fig. 7-9, the damper assembly 71 includes a damper 711, a damper shaft 712, and a mounting hole 713; the air door shaft 712 is arranged at the upper part of the air door 711, and the mounting hole 713 is arranged at the upper part of the air opening; alternatively, the damper shaft 712 is disposed at the upper portion of the tuyere, and the mounting hole 713 is disposed at the upper portion of the damper 711; the damper shaft 712 is rotatably engaged with the mounting hole 713 to allow the damper 711 to swing.
In this embodiment, as shown in fig. 7, the damper shafts 712 are coaxially disposed in a pair, and are respectively disposed at the upper portions of two opposite side walls at the air inlet; as shown in fig. 8, a pair of the mounting holes 713 are provided, and both the mounting holes 713 are provided at upper positions of both sides of the damper 711, respectively, and the two mounting holes 713 are rotatably mounted to the corresponding damper shafts 712, respectively.
As shown in fig. 8, in this embodiment, at least one mounting hole 713 of the two mounting holes 713 of each damper 711 has a mounting notch 7131 at a side edge of the mounting hole 713, and an opening size of the mounting notch 7131 is smaller than an aperture of the mounting hole 713 and larger than a diameter of the damper shaft 712; the air door shaft 712 can be radially installed in the installation hole 713 from the installation notch 7131 along the installation hole 713, that is, in the process shown in fig. 10, meanwhile, in order to ensure that the air door shaft 712 can be normally plugged, a material with certain elasticity, such as plastic, should be adopted at the installation notch 7131 to ensure that the installation notch 7131 can be opened when the air door shaft 712 is installed, and after the installation is completed, the installation notch 7131 can be automatically reset.
As shown in fig. 6, the fan protection cover further comprises a motor heat shield 9 arranged on the fan protection cover 7, the motor heat shield 9 is made of metal, and the motor heat shield 9 can be made by stamping. The motor heat shield 9 is mounted at the end of the motor mount 73. The motor heat shield 9 is positioned at the end part of the motor, and a certain interval is arranged between the motor heat shield 9 and the end part of the motor.
As shown in fig. 4, the motor heat shield 9 is circular, three heat shield mounting holes 91 are formed in the edge of the motor heat shield, and the three heat shield mounting holes 91 are uniformly distributed along the circumferential direction of the motor heat shield.
A concave part is arranged on one side of the motor heat insulation cover 9 facing the motor, and as shown in fig. 4, a convex part 92 is correspondingly formed on the other side of the motor heat insulation cover 9 by the concave part; the depressed part is including being located the circular depressed part in the middle of the motor separates heat exchanger 9, and lead to two branch depressed parts that the motor separates heat exchanger 9 marginal portion, two branch depressed parts and circular depressed part intercommunication, the tip of two branch depressed parts forms first opening 93 respectively, second opening 94, branch depressed part can be used for walking the line, and draw forth from first opening 93 or second opening 94, the structural air flow that has of motor separates heat exchanger is imported and exported, first opening 93 promptly, second opening 94, the pencil that comes out from the motor of fan is in the import position that the motor separates heat exchanger air flow just in time, can effectively optimize air heat flow field, motor and pencil ablation risk have been avoided. .
The working principle is as follows:
as shown in fig. 6, in the cooling fan structure for an automobile according to the present invention, the air door assembly 71 is arranged to adaptively adjust the opening of the air door according to the magnitude of the pressure difference between two sides of the fan shroud 7, specifically, at a high speed of the vehicle, the pressure difference between the front and the rear of the fan shroud 7 is increased, and the air door assembly 71 is automatically opened to provide a larger ventilation heat exchange amount for the heat exchangers such as the condenser and the radiator arranged in front of the cooling fan; when the vehicle speed is low, the pressure difference of the fan air protection cover 7 is reduced, the air door assembly 71 is automatically closed, the air conditioning performance at low speed is guaranteed, the consideration of the vehicle to different performance requirements of a cooling and air conditioning system at low speed, medium speed and high speed is effectively optimized, and the motor heat insulation cover 9 is arranged to effectively avoid ablation risks such as a motor.
In practical application, when the vehicle speed is higher, the front-back pressure difference of the fan wind protection cover 7 is increased, the air door 711 swings under the action of the pressure difference to open the air port, the opening degree of the air door 711 is larger as the vehicle speed is higher, the air door 711 falls under the action of gravity when the vehicle speed is lower, the air door 711 is gradually closed along with the falling of the air door 711, the lower the vehicle speed is, the smaller the opening degree of the air door 711 is, the air door assembly 71 is simple in structure and principle and flexible and reliable in action, the opening degree of the air door 711 is driven by the wind power during vehicle running, the stress of the air door 711 is in direct proportion to the vehicle running speed, the matching between the vehicle speed and the opening degree of the air door 711 can be further met, and the actual requirements are met.
In practical application, during installation, the air door shaft 712 can be radially pressed in from the installation notch 7131, so that the air door shaft 712 and the installation hole 713 are installed together, and the installation is convenient and reliable, and the operation is convenient and fast.
During actual installation, the motor heat shield 9 is installed on the fan guard cover 7 through the three heat shield installation holes 91, the three fixing points are uniformly distributed on the circumference, and the uniformity and the stability of the fixed stress are effectively guaranteed.
The forming of depressed part, bellying 92 can form the strengthening rib structure on motor separates heat exchanger 9, has increased motor and has separated heat exchanger 9 bulk strength, can improve the motor heat flow field, has effectively avoided fan motor and pencil ablation risk, and the depressed part of branch still can be used to walk the line to draw forth the pencil from first opening 93 or second opening 94.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. An automobile cooling fan structure, its characterized in that: the fan comprises a fan wind protection cover (7), wherein a motor is arranged on the fan wind protection cover (7), and fan blades (8) are arranged on an output shaft of the motor;
an air port is formed in the fan air protection cover (7), and an air door assembly (71) capable of adaptively adjusting the opening of the air door according to the pressure difference of two sides of the fan air protection cover (7) is arranged at the air port;
the fan is characterized by further comprising a motor heat shield (9) arranged on the fan wind shield (7), wherein the motor heat shield (9) is located at the end of the motor.
2. The automotive cooling fan structure according to claim 1, characterized in that: the fan wind shield (7) is provided with a through hole (72), a circular motor mounting piece (73) is coaxially arranged in the through hole (72), the motor mounting piece (73) is connected with the side wall of the through hole (72) through a spoke (74), and the length direction of the spoke (74) is along the radial direction of the through hole (72);
the wind gap is located through-hole (72) side, and the motor coaxial arrangement is in motor installed part (73), motor separates heat exchanger (9) and installs in motor installed part (73) tip.
3. The automotive cooling fan structure according to claim 1, characterized in that: the tuyere is rectangular.
4. The automotive cooling fan structure according to claim 1, characterized in that: the damper assembly (71) comprises a damper (711), a damper shaft (712), and a mounting hole (713);
the air door shaft (712) is arranged at the upper part of the air door (711), and the mounting hole (713) is arranged at the upper part of the air opening; or the air door shaft (712) is arranged at the upper part of the air opening, and the mounting hole (713) is arranged at the upper part of the air door (711);
the air door shaft (712) is in rotating fit with the mounting hole (713) to realize the swing of the air door (711).
5. The automotive cooling fan structure according to claim 4, characterized in that: the air door shafts (712) are coaxially arranged in a pair and are respectively arranged at the upper parts of two opposite side walls at the air opening;
the mounting holes (713) are arranged in pairs, the mounting holes (713) are respectively arranged at the upper positions of two sides of the air door (711), and the two mounting holes (713) are respectively rotatably mounted with the corresponding air door shafts (712).
6. The automotive cooling fan structure according to claim 4, characterized in that: an installation notch (7131) is formed in the side edge of the installation hole (713), the opening size of the installation notch (7131) is smaller than the aperture of the installation hole (713) and larger than the diameter of the air door shaft (712);
the damper shaft (712) can be radially mounted into the mounting hole (713) from the mounting slit (7131) along the mounting hole (713).
7. The automotive cooling fan structure according to claim 1, characterized in that: the motor heat shield (9) is made of metal.
8. The automotive cooling fan structure according to claim 1, characterized in that: the motor heat shield (9) is wholly circular, three heat shield mounting holes (91) are formed in the edge of the motor heat shield, and the three heat shield mounting holes (91) are evenly distributed along the circumferential direction of the three heat shield mounting holes.
9. The automotive cooling fan structure according to claim 1, characterized in that: one side of the motor heat insulation cover (9) facing the motor is provided with a concave part, and the concave part correspondingly forms a convex part (92) on the other surface of the motor heat insulation cover (9);
the depressed part is including the circular depressed part that is located motor heat exchanger (9) centre to and lead to two branch depressed parts that motor heat exchanger (9) marginal position separates, two branch depressed parts and circular depressed part intercommunication, the tip of two branch depressed parts forms first opening (93), second opening (94) respectively.
10. The automotive cooling fan structure according to claim 1, characterized in that: the fan wind shield (7) is made of PA66-GF 30.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121480345.3U CN215672785U (en) | 2021-06-29 | 2021-06-29 | Cooling fan structure of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121480345.3U CN215672785U (en) | 2021-06-29 | 2021-06-29 | Cooling fan structure of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215672785U true CN215672785U (en) | 2022-01-28 |
Family
ID=79978060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121480345.3U Active CN215672785U (en) | 2021-06-29 | 2021-06-29 | Cooling fan structure of automobile |
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| Country | Link |
|---|---|
| CN (1) | CN215672785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115217606A (en) * | 2022-07-29 | 2022-10-21 | 东风马勒热系统有限公司 | Adjustable wind protection cover structure and adjusting method thereof |
-
2021
- 2021-06-29 CN CN202121480345.3U patent/CN215672785U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115217606A (en) * | 2022-07-29 | 2022-10-21 | 东风马勒热系统有限公司 | Adjustable wind protection cover structure and adjusting method thereof |
| CN115217606B (en) * | 2022-07-29 | 2024-04-19 | 东风马勒热系统有限公司 | Adjustable air shield structure and adjusting method thereof |
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