Compact silicone oil clutch fan assembly
By using a dual-bearing connection between the clutch main shaft and the pulley body in the silicone oil clutch fan assembly, the problem of unstable rotation in the prior art is solved, achieving more stable operation and reducing bearing wear. The connection of the connecting device is enhanced, ensuring the connection of the pulley body, and acting as the connection of the main bearing, thus ensuring the stable operation of the pulley body.
Patent Information
- Application Number
- CN202520356376.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-03
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-03-03
AI Technical Summary
In existing silicone oil clutch fan assemblies, the clutch main shaft and pulley are connected by only one bearing, resulting in unstable rotation and susceptibility to bearing quality and wear.
The clutch main shaft and the pulley body are connected by two bearings, namely the first bearing and the second bearing, and the connection is reinforced by a strengthening connection device and a fastening device to ensure stable operation even if one bearing fails.
It improves the operational stability of the clutch fan assembly, reduces bearing wear, and ensures that the pulley body can still operate stably even in the event of bearing quality problems or wear.
Smart Images

Figure CN223724702U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a silicone oil clutch fan assembly technical field, especially a compact silicone oil clutch fan assembly. BACKGROUND
[0002] The silicone oil clutch fan assembly is mainly composed of a belt pulley base, a positioning shaft fastening bolt, a positioning gasket, a bearing, a base shaft, a belt pulley fastening bolt, a belt pulley, a clutch fastening bolt, a clutch flange shaft, a clutch body and a fan.
[0003] For example, a compact silicone oil clutch fan assembly with the authorization announcement number "CN220203999U" is provided with a fixing mechanism and a positioning mechanism, which eliminates the clutch flange shaft and the base shaft, directly fixes the clutch main shaft with the belt pulley and the belt pulley base, and simultaneously, the connection mode of the fastening bolt between the belt pulley and the clutch main shaft is cancelled, and the fixing key is used for fixing, so that the integration degree of the parts is higher, and the structure is more compact.
[0004] The above-mentioned and the prior art have the following defects: the clutch main shaft and the belt pulley of the clutch fan assembly are only connected through one bearing, and the quality and the later wear of the bearing will affect the stable rotation of the belt pulley. UTILITY MODEL CONTENTS
[0005] The utility model aims at solving the defects in the prior art and provides a compact silicone oil clutch fan assembly.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0007] A compact silicone oil clutch fan assembly is designed, which comprises a clutch fan body and a belt pulley base, the front end of the clutch fan body is provided with a clutch main shaft, the clutch main shaft is connected with a belt pulley body through two fixed blocks, a reinforcing connecting device is arranged between the clutch fan body and the belt pulley body, a limiting block is arranged at the rear end of the belt pulley base in a ring shape, a first bearing is arranged between the surface of the main shaft and the inner wall of the belt pulley base, the outer ring of the first bearing is in abutment with one end of the limiting block, a second bearing is arranged between the inner wall of the belt pulley body and the outer surface of the belt pulley base, a fastening device is arranged between the second bearing and the belt pulley base, the inner ring of the second bearing is in abutment with one end of the limiting block, a first gasket is arranged at the front end of the clutch main shaft, one end of the first gasket is in abutment with the inner ring of the first bearing, the first gasket is fixedly connected with the clutch main shaft through a first bolt, a belt pulley positioning block is arranged between the belt pulley body and the limiting block, a first abutting block in abutment with the inner ring of the first bearing is arranged at the middle part of the front surface of the belt pulley positioning block, and a second abutting block in abutment with the outer ring of the second bearing is arranged at the outer edge of the front surface of the belt pulley positioning block.
[0008] Preferably, the reinforcing connecting device comprises a plurality of connecting holes and connecting rods corresponding to the connecting holes, the plurality of connecting holes are arranged in an annular array on the surface of the pulley body, the plurality of connecting rods are arranged in an annular array on the front surface of the clutch fan body, and the connecting rods extend into the connecting holes.
[0009] Preferably, the number of the connecting rods is four.
[0010] Preferably, the two ends of the connecting holes are provided with additional holes, the surfaces of the connecting rods are provided with two additional blocks corresponding to the additional holes, and the additional holes and the additional blocks are matched.
[0011] Preferably, the fastening device comprises a second gasket and a second bolt, the second gasket is arranged in an annular array on the front surface of the pulley body, one end of the second gasket abuts against the outer ring of the second bearing, and the second gasket is fixedly connected with the pulley body by the second bolt.
[0012] Preferably, the number of the second bolts is four.
[0013] The compact silicon oil clutch fan assembly has the advantages that the clutch main shaft and the pulley body are connected with the pulley base through the first bearing and the second bearing, the two bearings make the clutch fan body and the pulley body run more stably, the wear degree of the first bearing and the second bearing is reduced, even if one of the bearings has quality problems or later wear, the other bearing can still make the pulley body run stably. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a sectional view of the overall structure of the utility model;
[0015] Figure 2 It is an enlarged view of position A of the utility model;
[0016] Figure 3 It is a structural schematic view of the pulley body, the connecting hole and the additional hole of the utility model;
[0017] Figure 4 It is a structural schematic view of the pulley positioning block, the first abutting block and the second abutting block of the utility model.
[0018] In the figure: clutch fan body 1, pulley base 2, clutch main shaft 3, fixed block 4, pulley body 5, limit block 6, first bearing 7, second bearing 8, first gasket 9, first bolt 10, pulley positioning block 11, first pressing block 12, second pressing block 13, connecting hole 14, connecting rod 15, additional hole 16, additional block 17, second gasket 18, second bolt 19. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.
[0020] Reference Figures 1-4 A compact silicone oil clutch fan assembly, comprising a clutch fan body 1 and a pulley base 2, the front end of the clutch fan body 1 is provided with a clutch main shaft 3, the clutch main shaft 3 is keyed connected with a pulley body 5 through two fixed blocks 4, a reinforcing connecting device is arranged between the clutch fan body 1 and the pulley body 5, a limit block 6 is annularly arranged at the rear end of the pulley base 2, a first bearing 7 is arranged between the surface of the main shaft 3 and the inner wall of the pulley base 2, the outer ring of the first bearing 7 is in abutment with one end of the limit block 6, a second bearing 8 is arranged between the inner wall of the pulley body 5 and the outer surface of the pulley base 2, a fastening device is arranged between the second bearing 8 and the pulley base 2, the inner ring of the second bearing 8 is in abutment with one end of the limit block 6, a first gasket 9 is arranged at the front end of the clutch main shaft 3, one end of the first gasket 9 is in abutment with the inner ring of the first bearing 7, the first gasket 9 is threadedly connected and fixed with the clutch main shaft 3 through a first bolt 10, a pulley positioning block 11 is arranged between the pulley body 5 and the limit block 6, a first pressing block 12 in abutment with the inner ring of the first bearing 7 is arranged at the middle part of the front surface of the pulley positioning block 11, and a second pressing block 13 in abutment with the outer ring of the second bearing 8 is arranged at the outer edge of the front surface of the pulley positioning block 11.
[0021] The reinforcing connecting device comprises a plurality of connecting holes 14 and connecting rods 15 corresponding to the connecting holes 14 one by one, the plurality of connecting holes 14 are annularly arrayed on the surface of the pulley body 5, the plurality of connecting rods 15 are annularly arranged on the front surface of the clutch fan body 1, the connecting rods 15 extend into the connecting holes 14, and the number of the connecting rods 15 is four. Through the connecting holes 14 and the connecting rods 15, the pulley body 5 and the clutch fan body 1 can be more closely connected, and when the main shaft 3 is broken, the pulley body 5 can still ensure the rotation of the clutch fan body 1.
[0022] The plurality of connecting holes 14 are provided with additional holes 16 at both ends, and the plurality of connecting rods 15 are provided with two additional blocks 17 corresponding to the additional holes 16 on the surfaces, and the additional holes 16 are matched with the additional blocks 17. The additional blocks 17 and the additional holes 16 are arranged to increase the stress area when the connecting rod 15 is connected with the connecting hole 14, so that the belt wheel body 5 and the clutch fan body 1 are more matched.
[0023] The fastening device comprises a second gasket 18 and a second bolt 19, the second gasket 18 is annularly arranged on the front surface of the belt wheel body 5, one end of the second gasket 18 abuts against the outer ring of the second bearing 8, and the second gasket 18 is fixedly connected with the belt wheel body 5 through the second bolt 19, and the number of the second bolt 19 is four.
[0024] Working principle: first, the first bearing 7 and the second bearing 8 are respectively installed on the inner wall and the outer surface of the belt wheel base 2, then the limiting block 6 is fixedly installed on the rear end of the belt wheel base 2, then the fixed block 4 is placed into the key groove of the clutch main shaft 3, and then the fixed block 4 is inserted into the key groove of the belt wheel body 5, at this time, the connecting rod 15 and the additional block 17 are respectively inserted into the connecting hole 14 and the additional hole 16, then the belt wheel positioning block 11 is placed on the inner wall of the belt wheel body 5, the clutch main shaft 3 is inserted into the inner ring of the first bearing 7, at this time, the inner wall of the belt wheel body 5 is sleeved on the outer ring of the second bearing 8, the first bolt 10 penetrates the first gasket 9 and is threadedly fixed with the clutch main shaft 3, and the second bolt 19 penetrates the second gasket 18 and is threadedly fixed with the belt wheel body 5, and the clutch fan assembly is installed. When in use, the belt wheel body 5 rotates to drive the clutch fan body 1 to rotate and operate. The clutch main shaft 3 and the belt wheel body 5 are connected with the belt wheel base 2 through the first bearing 7 and the second bearing 8, and the two bearings make the clutch fan body 1 and the belt wheel body 5 operate more stably, reduce the wear degree of the first bearing 7 and the second bearing 8, and even if one of the bearings has quality problems or later wear, the other bearing can still make the belt wheel body 5 operate stably.
[0025] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A compact silicone oil clutch fan assembly comprising a clutch fan body (1) and a pulley base (2), characterized in that, The clutch fan body (1) is provided with a clutch main shaft (3) at the front end, the clutch main shaft (3) is keyed connected with a belt pulley body (5) through two fixed blocks (4), a reinforcing connecting device is arranged between the clutch fan body (1) and the belt pulley body (5), a limit block (6) is arranged at the rear end of the belt pulley base (2) in a ring shape, a first bearing (7) is arranged between the surface of the clutch main shaft (3) and the inner wall of the belt pulley base (2), the outer ring of the first bearing (7) abuts against one end of the limit block (6), a second bearing (8) is arranged between the inner wall of the belt pulley body (5) and the outer surface of the belt pulley base (2), a fastening device is arranged between the second bearing (8) and the belt pulley base (2), the inner ring of the second bearing (8) abuts against one end of the limit block (6), a first gasket (9) is arranged at the front end of the clutch main shaft (3), one end of the first gasket (9) abuts against the inner ring of the first bearing (7), the first gasket (9) is threadedly connected and fixed with the clutch main shaft (3) through a first bolt (10), a belt pulley positioning block (11) is arranged between the belt pulley body (5) and the limit block (6), a first abutting block (12) abutting against the inner ring of the first bearing (7) is arranged at the middle part of the front surface of the belt pulley positioning block (11), a second abutting block (13) abutting against the outer ring of the second bearing (8) is arranged at the outer edge of the front surface of the belt pulley positioning block (11).
2. A compact silicone oil clutch fan assembly according to claim 1, wherein, The reinforcing connecting device comprises a plurality of connecting holes (14) and connecting rods (15) corresponding thereto, the plurality of connecting holes (14) are arranged in an annular array on the surface of the belt pulley body (5), and the plurality of connecting rods (15) are arranged in an annular array on the front surface of the clutch fan body (1), and the connecting rods (15) extend into the connecting holes (14).
3. A compact silicone oil clutch fan assembly according to claim 2, wherein, The number of the connecting rods (15) is four.
4. A compact silicone oil clutch fan assembly according to claim 2, wherein, The two ends of the plurality of connecting holes (14) are provided with additional holes (16), the surfaces of the plurality of connecting rods (15) are provided with two additional blocks (17) corresponding to the additional holes (16) in a one-to-one manner, and the additional holes (16) are matched with the additional blocks (17).
5. A compact silicone oil clutch fan assembly as claimed in claim 1, wherein, The fastening device comprises a second gasket (18) and a second bolt (19), the second gasket (18) is arranged in an annular array on the front surface of the belt pulley body (5), one end of the second gasket (18) abuts against the outer ring of the second bearing (8), and the second gasket (18) is threadedly connected and fixed with the belt pulley body (5) through the second bolt (19).
6. A compact silicone oil clutch fan assembly according to claim 5, wherein, The number of the second bolts (19) is four.
Citation Information
Patent Citations
Compact silicone oil clutch fan assembly
CN220203999U