Engine flywheel housing

Abstract

The utility model discloses an engine flywheel casing which comprises a casing body, a separating sleeve, separating plates, an air inlet, an air outlet and a suction fan, the separating sleeve is fixed inside the casing body, a closed-loop air channel is formed between the separating sleeve and the side wall of the casing body, the two separating plates are fixed inside the air channel and divide the air channel into an air inlet channel and an air outlet channel, and the air inlet channel is communicated with the air outlet channel. An air inlet and an air outlet are formed in the shell, the air inlet is communicated with the air inlet channel, the air outlet is communicated with the air outlet channel, a suction fan is installed on the shell, and the air inlet end of the suction fan surrounds the air outlet. The air vents are formed in the air inlet duct and the air outlet duct, and are matched with the air inlet, the air outlet and the suction fan, so that heat generated in the flywheel casing can be quickly dissipated under the action of flowing air, the heat dissipation speeds of all parts in the flywheel casing are basically kept consistent, and the heat dissipation uniformity is ensured.

Description

Technical Field

[0001] This utility model relates to the technical field of engines, and in particular to the technical field of engine flywheel housings. Background Technology

[0002] Flywheel housings are generally made of cast iron, which is not easily deformed. They bear the weight of the transmission and act as a fulcrum for power transmission. During use, a lot of heat is generated inside. Some existing engine flywheel housings cannot dissipate internal heat during use. When the internal heat is too high, it can cause the engine to malfunction and cause damage to the engine.

[0003] Existing patent CN216520339U discloses a heat-dissipating engine flywheel housing, which dissipates heat through cooling fan blades on the drive. However, it has the problem of inconsistent heat dissipation effect in different parts of the housing. It is easy for some areas to have fast airflow and heat dissipation while other areas have slow airflow and heat dissipation. This not only reduces the overall heat dissipation effect, but also causes inconsistent temperature in different parts of the flywheel housing due to inconsistent heat dissipation speed. This situation can easily cause deformation and damage to the flywheel housing. Summary of the Invention

[0004] The purpose of this invention is to solve the problems in the prior art by proposing an engine flywheel housing that enables the flywheel housing to dissipate heat more evenly and at a faster speed.

[0005] To achieve the above objectives, this utility model proposes an engine flywheel housing, comprising a housing, a partition sleeve, partition plates, an air inlet, an air outlet, and a suction fan. A partition sleeve is fixed inside the housing, forming a closed-loop air duct between the partition sleeve and the side wall of the housing. Two partition plates are fixed inside the air duct, dividing it into an air inlet and an air outlet. An air inlet and an air outlet are provided on the housing, with the air inlet connected to the air inlet duct and the air outlet connected to the air outlet duct. A suction fan is installed on the housing, with its air inlet end surrounding the air outlet. The partition sleeve has several ventilation holes penetrating the side wall of the partition sleeve. Ventilation holes are also provided on both the air inlet and air outlet ducts.

[0006] Preferably, the housing is provided with a plurality of mounting holes.

[0007] Preferably, one end of the housing is an end plate, and the other end of the housing is an open structure. One end of the separator sleeve is fixed to the end plate, and the distance between the other end of the separator sleeve and the open end face of the housing is 1mm-2mm. The separator sleeve is entirely located inside the housing.

[0008] Preferably, one end of the partition plate is fixed to the end plate, and the other end of the partition plate is flush with the end of the partition sleeve that is away from the end plate.

[0009] Preferably, the housing, the partition sleeve, and the partition plate are an integral structure.

[0010] Preferably, the central axis of the air inlet and the central axis of the air outlet are on the same straight line, the length of the air inlet duct and the length of the air outlet duct are the same, the air inlet is located in the middle of the air inlet duct, and the air outlet is located in the middle of the air outlet duct.

[0011] Preferably, the vent holes are evenly distributed on the partition sleeve, the diameter of the vent holes on the air inlet gradually increases from the middle of the air inlet to both ends, and the diameter of the vent holes on the air outlet gradually increases from the middle of the air outlet to both ends.

[0012] The beneficial effects of this utility model are as follows: By opening the vent holes on the air inlet and air outlet, and cooperating with the air inlet, air outlet and suction fan, the heat generated inside the flywheel housing can be quickly dissipated by the flowing air, and the heat dissipation rate of various parts inside the flywheel housing is basically the same, ensuring the uniformity of heat dissipation.

[0013] The features and advantages of this utility model will be described in detail through embodiments and accompanying drawings. Attached Figure Description

[0014] Figure 1 This is a front view of the engine flywheel housing of this utility model;

[0015] Figure 2 This is a bottom view of the engine flywheel housing of this utility model.

[0016] In the diagram: 1-shell, 2-partition sleeve, 10-mounting hole, 11-end plate, 15-air inlet, 16-air outlet, 17-suction fan, 20-ventilation hole, 21-air inlet duct, 22-air outlet duct, 25-partition plate. Detailed Implementation

[0017] Example 1:

[0018] See Figure 1 , Figure 2This utility model relates to an engine flywheel housing, comprising a housing 1, a partition sleeve 2, a partition plate 25, an air inlet 15, an air outlet 16, and a suction fan 17. The housing 1 contains a partition sleeve 2, forming a closed-loop air duct between the partition sleeve 2 and the side wall of the housing 1. Two partition plates 25 are fixed inside the air duct, dividing it into an air inlet duct 21 and an air outlet duct 22. The housing 1 has an air inlet 15 and an air outlet 16, with the air inlet 15 connected to the air inlet duct 21 and the air outlet 16 connected to the air outlet duct 22. A suction fan 17 is installed on the housing 1, with its air inlet end surrounding the air outlet 16. The partition sleeve 2 has several ventilation holes 20 penetrating the side wall of the partition sleeve 2. Both the air inlet duct 21 and the air outlet duct 22 have ventilation holes 20.

[0019] The housing 1 is provided with a plurality of mounting holes 10.

[0020] The housing 1, the partition sleeve 2, and the partition plate 25 are an integral structure.

[0021] Example 2:

[0022] In order to ensure that the separator sleeve 2 does not affect the installation of the flywheel housing, one end of the housing 1 is an end plate 11, and the other end of the housing 1 is an open structure. One end of the separator sleeve 2 is fixed on the end plate 11, and the distance between the other end of the separator sleeve 2 and the open end face of the housing 1 is 1mm-2mm. The separator sleeve 2 is entirely located inside the housing 1.

[0023] In order to ensure that the partition plate 25 does not affect the installation of the flywheel housing, one end of the partition plate 25 is fixed to the end plate 11, and the other end of the partition plate 25 is flush with the end of the partition sleeve 2 away from the end plate 11.

[0024] Example 3:

[0025] To further ensure consistent heat dissipation throughout the housing 1, the central axis of the air inlet 15 and the central axis of the air outlet 16 are on the same straight line. The length of the air inlet duct 21 and the length of the air outlet duct 22 are the same. The air inlet 15 is located in the middle of the air inlet duct 21, and the air outlet 16 is located in the middle of the air outlet duct 22.

[0026] The ventilation holes 20 are evenly distributed on the partition sleeve 2. The diameter of the ventilation holes 20 on the air inlet duct 21 gradually increases from the middle to both ends of the air inlet duct 21, and the diameter of the ventilation holes 20 on the air outlet duct 22 gradually increases from the middle to both ends of the air outlet duct 22.

[0027] The working process of this utility model:

[0028] During operation, the engine flywheel housing of this utility model allows cold air from the outside to enter the air intake duct 21 through the air inlet 15 under the action of the suction fan 17. Then, it enters the area enclosed by the partition sleeve 2 through the vent holes 20 distributed on the air intake duct 21, and then enters the air outlet duct 21 through the vent holes on the air outlet 22. Finally, it is discharged through the air outlet 16 by the suction fan 17. Throughout the process, the flowing air passes through all parts of the housing 1, and all parts of the housing 1 can be effectively cooled.

[0029] The above embodiments are illustrative of the present invention and are not intended to limit the present invention. Any simple modifications to the present invention are within the protection scope of the present invention.

Claims

1. An engine flywheel housing, characterized in that: The system includes a housing (1), a partition sleeve (2), a partition plate (25), an air inlet (15), an air outlet (16), and a suction fan (17). The housing (1) has a partition sleeve (2) fixed inside, forming a closed-loop air duct between the partition sleeve (2) and the side wall of the housing (1). The air duct has two partition plates (25) fixed inside, which divide the air duct into an air inlet duct (21) and an air outlet duct (22). The housing (1) has an air inlet. (15) and air outlet (16), air inlet (15) is connected to air inlet channel (21), air outlet (16) is connected to air outlet channel (22), a suction fan (17) is installed on the housing (1), the air inlet end of suction fan (17) surrounds air outlet (16), the partition sleeve (2) is provided with several ventilation holes (20), the ventilation holes (20) penetrate through the side wall of partition sleeve (2), and ventilation holes (20) are provided on air inlet channel (21) and air outlet channel (22).

2. The engine flywheel housing as described in claim 1, characterized in that: The housing (1) has several mounting holes (10).

3. The engine flywheel housing as described in claim 1, characterized in that: One end of the shell (1) is an end plate (11), and the other end of the shell (1) is an open structure. One end of the partition sleeve (2) is fixed on the end plate (11), and the distance between the other end of the partition sleeve (2) and the open end face of the shell (1) is 1mm-2mm. The partition sleeve (2) is entirely located inside the shell (1).

4. The engine flywheel housing as described in claim 3, characterized in that: One end of the partition plate (25) is fixed on the end plate (11), and the other end of the partition plate (25) is flush with the end of the partition sleeve (2) away from the end plate (11).

5. The engine flywheel housing as described in claim 1, characterized in that: The shell (1), the partition sleeve (2) and the partition plate (25) are an integral structure.

6. The engine flywheel housing as described in claim 1, characterized in that: The central axis of the air inlet (15) and the central axis of the air outlet (16) are on the same straight line. The length of the air inlet duct (21) and the length of the air outlet duct (22) are the same. The air inlet (15) is located in the middle of the air inlet duct (21), and the air outlet (16) is located in the middle of the air outlet duct (22).

7. The engine flywheel housing as described in claim 1, characterized in that: The ventilation holes (20) are evenly distributed on the partition sleeve (2). The diameter of the ventilation holes (20) on the air inlet (21) gradually increases from the middle of the air inlet (21) to both ends. The diameter of the ventilation holes (20) on the air outlet (22) gradually increases from the middle of the air outlet (22) to both ends.

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