Silent silicone oil fan clutch

By introducing a sound-absorbing cavity, sound-absorbing parts, aluminum foil sound-absorbing cotton and a sound-absorbing cover into the silicone oil fan clutch, combined with an oil delivery component and heat dissipation fins, the problem of poor quietness of the traditional silicone oil fan clutch is solved, achieving lower noise and higher heat dissipation efficiency.

CN223330997UActive Publication Date: 2025-09-12HUBEI AOWO AUTOMOBILE TECH CO LTD
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Patent Information

Application Number
CN202422870522.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-25
Publication Date
2025-09-12
Estimated Expiration
2034-11-25

AI Technical Summary

Technical Problem

The traditional silicone oil fan clutch has poor quieting effect and prominent noise problem.

Method used

Sound-absorbing chambers and sound-absorbing parts, aluminum foil sound-absorbing cotton, sound-absorbing covers and oil transfer components are designed. The combined structure of sound-absorbing and heat-dissipating fins can reduce noise and improve heat dissipation efficiency.

Benefits of technology

It effectively reduces the noise during clutch operation and improves the quietness effect. It also prevents sudden increase in speed through the design of uniform oil supply and cooling fins, thereby improving heat dissipation performance.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223330997U_ABST
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Abstract

The utility model provides a mute silicone oil fan clutch, belongs to the technical field of clutches, mainly aims to solve the problem that an existing silicone oil fan clutch is poor in mute effect, and adopts the technical scheme that the mute silicone oil fan clutch comprises a driving shaft and a shell, sound absorption cavities are formed in the two sides of the driving shaft, and sound absorption parts are clamped in the two sound absorption cavities; the driving shaft is sleeved with a driving disc, a circulating cavity is formed in the driving disc, an oil storage disc is arranged at one end of the driving disc, an oil storage cavity is formed in the oil storage disc, an oil conveying assembly is arranged on the oil storage disc, aluminum foil sound absorption cotton is arranged between the shell and the driving shaft, and a sound absorption cover is arranged on the peripheral side of the shell. The noise generated when the driving shaft rotates is reduced through cooperation of the sound absorption cavity and the sound absorption piece, the noise generated when the clutch works is reduced through arrangement of the aluminum foil sound absorption cotton and the sound absorption cover, silicone oil in the oil storage cavity can slowly and evenly enter the circulation cavity through arrangement of the oil conveying assembly, the rotating speed of the clutch is increased at a constant speed, and the noise generated when the clutch works is reduced. And overlarge noise caused by sudden acceleration of the rotating speed is prevented.
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Description

Technical Field

[0001] The utility model belongs to the technical field of clutches, and more specifically, relates to a silent silicone oil fan clutch. Background Art

[0002] The silicone oil fan clutch is a component in the vehicle that dissipates heat for the engine. The silicone oil circulates inside the silicone oil fan clutch to accelerate the rotation of the clutch, allowing the fan installed on the clutch to cool the engine. When the silicone oil fan clutch starts working, the noise generated will gradually increase with the increase in speed. Currently, traditional silicone oil fan clutches often have poor silent effects. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a silent silicone oil fan clutch to solve the technical problem of poor silent effect of the traditional silicone oil fan clutch in the prior art.

[0004] The purpose and effect of the silent silicone oil fan clutch of the utility model are achieved by the following specific technical means:

[0005] A silent silicone oil fan clutch comprises a driving shaft and a shell, sound-absorbing cavities are provided on both sides of the driving shaft, and sound-absorbing parts are clamped in both groups of the sound-absorbing cavities, an active disk is sleeved on the driving shaft, a circulation cavity is provided in the active disk, an oil storage disk is provided at one end of the active disk, an oil storage cavity is provided in the oil storage disk, an oil delivery component is provided on the oil storage disk, aluminum foil sound-absorbing cotton is provided between the shell and the driving shaft, and a sound-absorbing cover is provided around the shell.

[0006] According to a preferred embodiment, a plurality of groups of oil outlet holes are provided at one end of the oil storage pan, a plurality of groups of oil inlet holes are provided at one end of the active disc, a plurality of groups of oil return holes are provided at one end of the active disc and the oil storage pan, the oil delivery assembly includes a plurality of groups of oil nets and a plurality of groups of oil-blocking columns, a plurality of groups of the oil distribution nets are respectively clamped in a plurality of groups of the oil inlet holes, a plurality of groups of the oil-blocking columns are respectively clamped in a plurality of groups of the oil outlet holes, a plurality of groups of connecting parts are fixedly connected to one end of the oil storage pan away from the active disc, a plurality of groups of the connecting parts are respectively connected to the same group of push plates at one end, and a cylinder is provided at one end of the push plates.

[0007] According to a preferred embodiment, a connecting plate is provided inside the push plate, a plurality of sets of fastening screws are passed through one end of the push plate, a plurality of sets of fastening bolts are provided at the other end of the push plate, one end of the plurality of sets of fastening screws pass through the connecting plate and are connected to the fastening bolts, the pneumatic rod of the cylinder is connected to the connecting plate, a plurality of sets of connecting columns are fixedly connected to one end of the oil storage plate away from the active plate, one end of the plurality of sets of connecting columns are respectively connected to the same set of fixing plates, one end of the fixing plate is connected to the cylinder, and a plurality of sets of sealing sleeves are respectively provided at one end of the plurality of sets of oil-blocking columns.

[0008] According to a preferred embodiment, one end of multiple groups of connecting parts are respectively connected to multiple groups of oil-blocking columns, and one end of multiple groups of sealing sleeves are respectively in contact with multi-component oil nets, wherein an oil pipe is passed through every two groups of oil return holes.

[0009] According to a preferred embodiment, multiple groups of heat dissipation fins are provided around the oil storage tray, multiple groups of first heat dissipation slots are provided through one end of the active tray, and multiple groups of second heat dissipation slots are provided on the top and bottom of the shell.

[0010] According to a preferred embodiment, a bearing is sleeved on the driving shaft, the inner side of the aluminum foil sound-absorbing cotton is in contact with the bearing, and the oil storage pan is sleeved on the driving shaft.

[0011] According to a preferred embodiment, an oil filling hole is opened on the top of the oil storage pan, and a sealing plug is stuck in the oil filling hole.

[0012] According to a preferred embodiment, one end of the housing is connected to a mounting cover via threads.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. The sound-absorbing cavity and the sound-absorbing parts cooperate to absorb and reduce the noise during the rotation of the driving shaft. The aluminum foil sound-absorbing cotton and the sound-absorbing cover are used to reduce the noise during the operation of the clutch. The oil delivery component is used to allow the silicone oil in the oil storage cavity to slowly and evenly enter the circulation cavity, so that the speed of the clutch is accelerated uniformly, preventing the speed from suddenly increasing and causing excessive noise, thereby improving the quiet effect.

[0015] 2. Through the setting of the heat dissipation fins, when the clutch is working, the silicone oil in the circulation chamber can transfer heat to the heat dissipation fins through the active disk, and the heat dissipation fins are used to dissipate the heat for the internal silicone oil. In addition, through the setting of the first heat dissipation groove and the second heat dissipation groove, the air in the clutch can circulate, thereby improving the heat dissipation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural diagram of a silent silicone oil fan clutch of the utility model;

[0017] Figure 2 This is an exploded view of a silent silicone oil fan clutch of the utility model;

[0018] Figure 3 This is a front view of a silent silicone oil fan clutch of the utility model;

[0019] Figure 4 for Figure 3 Cross-sectional view of AA;

[0020] Figure 5 The utility model is a structural schematic diagram of an oil delivery component in a silent silicone oil fan clutch.

[0021] In the figure, the corresponding relationship between the component names and the drawing numbers is as follows:

[0022] 10. Driving shaft; 11. Housing; 111. Second heat dissipation groove; 12. Sound-absorbing cavity; 13. Sound-absorbing component; 14. Bearing; 15. Aluminum foil sound-absorbing cotton; 16. Sound-absorbing cover; 17. Driving disk; 171. Oil inlet hole; 172. Circulation cavity; 173. First heat dissipation groove; 18. Oil storage disk; 181. Oil storage cavity; 182. Oil outlet hole; 183. Oil filling hole; 184. Sealing plug; 185. Heat dissipation fin; 19. Oil return hole; 191. Oil pipeline; 20. Mounting cover; 300. Oil distribution network; 301. Sealing sleeve; 302. Oil blocking column; 303. Connecting piece; 304. Push plate; 305. Connecting plate; 306. Fastening screw; 307. Fastening bolt; 308. Cylinder; 309. Connecting column; 310. Fixing plate. DETAILED DESCRIPTION

[0023] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0024] Example:

[0025] As attached Figure 1 To the attached Figure 5 As shown:

[0026] The utility model provides a silent silicone oil fan clutch, which includes a driving shaft 10 and a housing 11. Sound-absorbing cavities 12 are provided on both sides of the driving shaft 10, and one side of the sound-absorbing cavity 12 is a diamond shape that is opened through. Sound-absorbing members 13 are both provided in the two groups of sound-absorbing cavities 12. These sound-absorbing members 13 have multiple groups of diamond holes, which can absorb and reduce the noise generated when the driving shaft 10 rotates. An active disk 17 is provided on the driving shaft 10, and a circulation cavity 172 is provided in the active disk 17. An oil storage disk 18 is provided at one end of the active disk 17, and an oil storage cavity 181 is provided in the oil storage disk 18. When the clutch is working, the silicone oil circulates continuously in the circulation chamber 172 and the oil storage chamber 181. The oil storage tray 18 is provided with an oil delivery component, which can slowly and evenly deliver the silicone oil in the oil storage chamber 181 to the circulation chamber 172, so that the speed of the clutch is accelerated at a uniform speed to prevent the speed from suddenly accelerating and making excessive noise. Aluminum foil sound-absorbing cotton 15 is provided between the outer shell 11 and the driving shaft 10. The aluminum foil sound-absorbing cotton 15 can reduce the vibration of the outer shell 11 and the bearing 14, thereby reducing the noise of the clutch. A sound-absorbing cover 16 is provided on the side of the outer shell 11. The sound-absorbing cover 16 can reduce the noise generated by the clutch and improve the quiet effect.

[0027] The oil storage plate 18 has multiple groups of oil outlet holes 182 at one end, the active plate 17 has multiple groups of oil inlet holes 171 at one end, and the active plate 17 and the oil storage plate 18 have multiple groups of oil return holes 19 at one end. The oil delivery assembly includes multiple groups of oil nets 300 and multiple groups of oil blocking columns 302. The multiple groups of oil nets 300 are respectively stuck in the multiple groups of oil inlet holes 171. Silicone oil can enter the oil inlet hole 171 from the oil outlet hole 182 through the oil separation net 300, and multiple groups of smaller through holes are opened at one end of the oil separation net 300, so that the silicone oil can be slowly and evenly distributed when entering the circulation chamber 172. The oil inlet 171 is blocked by the sealing sleeve 301, and the sealing sleeve 301 cooperates with the oil blocking column 302. When the clutch is not working, the oil inlet hole 171 is blocked to prevent the silicone oil from entering the circulation chamber 172. One end of the active disk 17 is fixedly connected to the multiple groups of connecting pieces 303. 304, and then tighten the fastening bolts 307 to tighten the screws 306. End, thereby fixing the connecting plate 305 to the push plate 304, a cylinder 308 is provided at one end of the push plate 304, and the pneumatic rod of the cylinder 308 is connected to the connecting plate 305, and the sealing sleeve 301 and the oil-blocking column 302 are moved in the same direction as the pneumatic rod through the extension and contraction of the pneumatic rod of the cylinder 308, thereby controlling the opening or closing of the oil inlet hole 171, and the end of the oil storage plate 18 away from the active plate 17 is fixedly connected to multiple groups of connecting columns 309, and one end of the multiple groups of connecting columns 309 are respectively connected to the same group of fixed plates 310, and one end of the fixed plate 310 is connected to the cylinder 308.

[0028] Among them, see Figures 2 to 5301 , and the oil return pipe 191 is provided in each of the two oil return holes 19. The oil in the circulation chamber 172 can be returned to the oil storage chamber 181 through the oil delivery pipe 191 through the centrifugal force. The oil storage pan 18 is provided with multiple groups of heat dissipation fins 185 on the periphery. The silicone oil can transfer heat to the heat dissipation fins 185 through the active disk 17. The heat dissipation fins 185 have a large contact area with the air and can effectively dissipate the internal silicone oil. The active disk 17 is provided with multiple groups of first heat dissipation grooves 173 at one end, and multiple groups of second heat dissipation grooves 111 are provided on the top and bottom of the shell 11. The cooperation of the first heat dissipation groove 173 and the second heat dissipation groove 111 allows the air of the clutch to circulate, thereby improving the heat dissipation effect.

[0029] A bearing 14 is sleeved on the driving shaft 10, and the inner surface of the aluminum foil sound-absorbing cotton 15 is in contact with the bearing 14. The oil storage pan 18 is sleeved on the driving shaft 10. An oil filling hole 183 is opened on the top of the oil storage pan 18, and a sealing plug 184 is stuck in the oil filling hole 183. The user can remove the sealing plug 184 and fill oil into the oil storage cavity 181 through the oil filling hole 183. The sealing plug 184 can prevent oil leakage. One end of the outer shell 11 is connected to the mounting cover 20 through a thread. The internal parts of the clutch are protected by the cooperation between the outer shell 11 and the mounting cover 20.

[0030] The embodiments of the present invention are provided for purposes of illustration and description and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for specific applications.

Claims

1. A silent silicone oil fan clutch, comprising a driving shaft (10) and a housing (11), characterized in that: Sound absorbing cavities (12) are provided on both sides of the driving shaft (10), and sound absorbing components (13) are provided in both groups of the sound absorbing cavities (12). A driving disk (17) is sleeved on the driving shaft (10), and a circulation cavity (172) is provided in the driving disk (17). An oil storage disk (18) is provided at one end of the driving disk (17), and an oil storage cavity (181) is provided in the oil storage disk (18). An oil delivery component is provided on the oil storage disk (18). Aluminum foil sound absorbing cotton (15) is provided between the housing (11) and the driving shaft (10), and a sound absorbing cover (16) is provided on the peripheral side of the housing (11).

2. The silent silicone oil fan clutch according to claim 1, characterized in that: One end of the oil storage plate (18) is provided with multiple groups of oil outlet holes (182), one end of the active plate (17) is provided with multiple groups of oil inlet holes (171), and one end of each of the active plate (17) and the oil storage plate (18) is provided with multiple groups of oil return holes (19). The oil delivery component includes multiple groups of oil nets (300) and multiple groups of oil blocking columns (302). Multiple groups of the oil distribution nets (300) are respectively clamped in multiple groups of the oil inlet holes (171), and multiple groups of the oil blocking columns (302) are respectively clamped in multiple groups of the oil outlet holes (182). One end of the oil storage plate (18) away from the active plate (17) is fixedly connected to multiple groups of connecting members (303), and one end of the multiple groups of connecting members (303) is respectively connected to the same group of push plates (304), and one end of the push plates (304) is provided with a cylinder (308).

3. The silent silicone oil fan clutch according to claim 2, characterized in that: A connecting plate (305) is clamped inside the push plate (304), and multiple groups of fastening screws (306) are passed through one end of the push plate (304). Multiple groups of fastening bolts (307) are provided at the other end of the push plate (304). One end of multiple groups of fastening screws (306) passes through the connecting plate (305) and is connected to the fastening bolts (307). The pneumatic rod of the cylinder (308) is connected to the connecting plate (305). One end of the oil storage plate (18) away from the active plate (17) is fixedly connected to multiple groups of connecting columns (309). One end of multiple groups of connecting columns (309) is respectively connected to the same group of fixed plates (310). One end of the fixed plate (310) is connected to the cylinder (308). One end of multiple groups of oil blocking columns (302) is respectively sleeved with multiple groups of sealing sleeves (301).

4. The silent silicone oil fan clutch according to claim 3, characterized in that: One end of the plurality of groups of connecting pieces (303) is connected to the plurality of groups of oil-blocking columns (302), and one end of the plurality of groups of sealing sleeves (301) is in contact with the multi-component oil net (300), wherein an oil delivery pipe (191) is provided in each two groups of the oil return holes (19).

5. The silent silicone oil fan clutch according to claim 1, characterized in that: The oil storage disk (18) is provided with a plurality of groups of heat dissipation fins (185) on its circumference, a plurality of groups of first heat dissipation slots (173) are provided through one end of the active disk (17), and a plurality of groups of second heat dissipation slots (111) are provided on both the top and the bottom of the housing (11).

6. The silent silicone oil fan clutch according to claim 1, characterized in that: A bearing (14) is sleeved on the driving shaft (10), the inner side of the aluminum foil sound-absorbing cotton (15) is in contact with the bearing (14), and the oil storage tray (18) is sleeved on the driving shaft (10).

7. The silent silicone oil fan clutch according to claim 1, characterized in that: An oil filling hole (183) is provided on the top of the oil storage tray (18), and a sealing plug (184) is clamped in the oil filling hole (183).

8. The silent silicone oil fan clutch according to claim 1, characterized in that: One end of the housing (11) is connected to a mounting cover (20) via a thread.