Connecting device for modified silicone oil clutch fan assembly of engine
The modified silicone oil clutch fan assembly connection device solves the problem that the original electronic cooling fan cannot dissipate heat at high power, achieving efficient and reliable heat dissipation of the engine. The structure is compact and easy to install.
Patent Information
- Application Number
- CN202520672787.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-10
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-04-10
AI Technical Summary
Some vehicle models have original electronic cooling fans that cannot achieve high-power cooling, resulting in poor engine cooling and affecting vehicle reliability.
Design a silicone oil clutch fan assembly connection device for engine modification, including a pulley, a drive pulley, a driven pulley, and a silicone oil clutch fan assembly. Power is transmitted through belt drive, and the power comes from the engine crankshaft. The silicone oil clutch fan assembly automatically adjusts its speed according to the engine temperature.
It achieves efficient and reliable heat dissipation. The silicone oil clutch fan assembly automatically adjusts its speed according to temperature changes to ensure effective heat dissipation of the engine during operation. It does not occupy extra space and has a simple structure that is easy to install.
Smart Images

Figure CN223676370U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automobile refitting equipment, especially relates to a connecting device for engine refitting silicon oil clutch fan assembly. BACKGROUND
[0002] Part of the vehicle original electronic cooling fan cannot realize high -power heat dissipation, and in extreme case, heat dissipation reliability is low, and the engine heat dissipation is poor and unreliable, and the vehicle is easily damaged, therefore, part of the car owner will refit after buying the car, make it satisfy higher performance demand, and this kind of condition is most common on the refitted off -road vehicle. SUMMARY
[0003] The utility model aims at the problems and insufficient in the background art, provides a connecting device for engine refitting silicon oil clutch fan assembly.
[0004] A connecting device for engine refitting silicon oil clutch fan assembly, including pulley, pulley upper end coaxial fixed connection has driving wheel, and the mounting seat is fixedly connected on the engine upper casing, and the mounting seat upper end rotationally connected has driven wheel, and the driving wheel is sleeved with the belt between driven wheel upper end fixed connection has silicon oil clutch fan assembly, and the driving wheel drives the driven wheel rotation through the belt, realizes the driven wheel drive silicon oil clutch fan assembly rotation.
[0005] The utility model has the advantages of:
[0006] The utility model has the advantages of simple structure, convenient to use, small overall size, can be directly assembled on the engine, does not occupy extra space, and the power comes from the engine crankshaft, and the silicon oil clutch fan assembly is not fixed, and it will change along with the change of the temperature of the automobile engine, as long as the automobile engine is working, produces certain temperature, then the silicon oil clutch fan assembly will rotate, and the reliability is higher, and the higher the temperature, the faster the speed. BRIEF DESCRIPTION OF DRAWINGS
[0007] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;
[0008] Figure 2 It is the sectional view of pulley and driving wheel connection through first bolt;
[0009] Figure 3 It is the sectional view of driven wheel and mounting seat connection;
[0010] Figure 4 It is the sectional view of first guide wheel subassembly;
[0011] Figure 5 It is the sectional view of adjusting assembly;
[0012] In the figure: 1: pulley; 2 driving wheel; 3: mounting seat; 4: engine upper housing; 5: driven wheel; 6: belt; 7: engine crankshaft; 8: first bolt; 9: support; 10: second bolt; 11: third bolt; 12: first bearing; 13: connecting seat; 14: first spring collar; 15: fourth bolt; 16: first guide wheel assembly; 17: second guide wheel assembly; 18: first guide wheel; 19: first fixed shaft; 20: first bearing gland; 21: second bearing gland; 22: second spring collar; 23 first nut; 24 second bearing; 25: adjusting screw; 26: clamping block; 27: countersunk sliding groove. DETAILED DESCRIPTION
[0013] Referring to the drawings, a connecting device for engine modification of silicone oil clutch fan assembly, comprising a pulley 1, the upper end of the pulley 1 coaxially fixedly connected with a driving wheel 2, a mounting seat 3 is fixedly connected on the engine upper housing 4, the upper end of the mounting seat 3 is rotatably connected with a driven wheel 5, the driving wheel 2 and the driven wheel 5 are sleeved with a belt 6, the upper end of the driven wheel 5 is fixedly connected with a silicone oil clutch fan assembly (the silicone oil clutch fan assembly is not shown in the figure, the silicone oil clutch fan assembly is a product known in the prior art, and the specific model can be selected and purchased directly according to the needs), the driving wheel 2 drives the driven wheel 5 to rotate through the belt 6, realizing that the driven wheel 5 drives the silicone oil clutch fan assembly to rotate.
[0014] Further, a plurality of first threaded holes are provided on the pulley 1, a plurality of second threaded holes are provided on the driving wheel 2, and the first bolt 8 is threadedly connected in the first threaded hole and the second threaded hole.
[0015] Further, it further comprises a support 9, and the support 9 is connected to the upper end of the engine upper housing 4 through the second bolt 10.
[0016] Further, the lower end of the mounting seat 3 is connected to the upper end of the support 9 through the third bolt 11.
[0017] Further, it further comprises a first bearing 12 and a connecting seat 13, the inner ring of the first bearing 12 is fixed on the mounting seat 3, the outer ring of the first bearing 12 is fixed inside the connecting seat 13, the inner wall of the connecting seat 13 is provided with two clamping grooves, the first spring collar 14 is clamped inside the clamping groove, used for limiting the first bearing 12 in the axial direction, and the driven wheel 5 is fixedly connected to the outer side of the connecting seat 13 through the fourth bolt 15.
[0018] Further, the first guide wheel assembly 16 and the second guide wheel assembly 17 are further included, the first guide wheel assembly 16 and the second guide wheel assembly 17 are respectively rotatably connected to the upper end of the support 9, the belt 6 is sleeved between the driving wheel 2, the first guide wheel assembly 16, the second guide wheel assembly 17 and the driven wheel 5, and the second guide wheel assembly 17 is the same as the first guide wheel assembly 16 in structure.
[0019] Further, the first guide wheel assembly 16 includes a first guide wheel 18, a first fixed shaft 19, a first bearing gland 20, a second bearing gland 21, a second spring collar 22, a first nut 23 and a second bearing 24.
[0020] The first fixed shaft 19 extends through to the upper end of the support 9, the inner ring of the second bearing 24 is fixedly connected to the outer side of the first fixed shaft 19, the outer ring of the second bearing 24 is fixedly connected to the inner wall of the first guide wheel 18, the inner wall of the first guide wheel 18 is provided with two clamping grooves, the two second spring collars 22 are clamped in the clamping grooves, and the second spring collars 22 are used for axially limiting the second bearing 24, the first bearing gland 20 is sleeved on the outer side of the first fixed shaft 19 and is arranged at the lower end of the second bearing 24, the outer ring edge of the first bearing gland 20 approaches the inner side wall of the first guide wheel 18, but does not contact the inner side wall of the first guide wheel 18, the second bearing gland 21 is sleeved on the outer side of the first fixed shaft 19 and is arranged at the upper end of the second bearing 24, the outer ring edge of the second bearing gland 21 approaches the inner side wall of the first guide wheel 18, but does not contact the inner side wall of the first guide wheel 18, and the first nut 23 is threadedly connected to the upper end of the first fixed shaft 19 and is used for fixing the second bearing gland 21.
[0021] Further, the adjusting assembly further includes an adjusting screw 25, the support 9 is provided with a limiting countersunk slot 27, the first fixed shaft 19 penetrates through the limiting countersunk slot 27, a threaded hole is formed in the end head 28 of the lower end of the first fixed shaft 19, the upper surface of the end head 28 of the lower end of the first fixed shaft 19 is in contact with the lower surface of the limiting countersunk slot 27, the adjusting screw 25 extends through the support 9 to the inside of the limiting countersunk slot 27, the adjusting screw 25 is threadedly connected to the inside of the end head 28 of the lower end of the first fixed shaft 19, and the outer wall of the adjusting screw 25 is provided with a clamping block 26, and the clamping block 26 abuts against the outer side of the support 9.
[0022] The technical problems solved by the utility model are:
[0023] The utility model solves the problems of poor heat dissipation and unreliability of the original engine of a certain vehicle type and solves the technical problem that a newly replaced silicon oil clutch fan assembly cannot be connected with the original engine.
[0024] The working principle and use process of the utility model are:
[0025] The end portion of the engine crankshaft 7 penetrates through the upper shell 4 of the engine, and the pulley 1 is fixedly connected to the end portion of the engine crankshaft 7, which is the original vehicle structure.
[0026] Modification time:
[0027] 1. First, the original car with electronic fan is removed;
[0028] 2. Only need to process several threaded holes in the original car pulley 1 outer periphery, the driving wheel 2 through the first bolt 8 connected to the pulley 1, so that it becomes a whole structure;
[0029] 3. The bracket 9 through the second bolt 10 connected to the engine on the shell 4, this process does not need to process threaded holes on the engine shell 4, the threaded hole for the electronic fan installation threaded hole;
[0030] 4. The first guide wheel assembly 16 and the second guide wheel assembly 17 are installed on the bracket 9;
[0031] 5. The mounting seat 3 through the third bolt 11 connected to the bracket 9 upper end, the connecting seat 13 is connected with the driven wheel 5 and the first bearing 12 respectively;
[0032] 6. The belt 6 is sleeved between the driving wheel 2, the first guide wheel assembly 16, the second guide wheel assembly 17 and the driven wheel 5;
[0033] 7. Rotate the adjusting screw 25, because the adjusting screw 25 block 26 resist in the outer side of the bracket 9, the adjusting screw 25 through the threaded connection in the first fixed shaft 19 lower end of the end 28, when the adjusting screw 25 rotates the end 28 of the first fixed shaft 19 lower end of the outer side movement, realize the belt 6 fastening, adjusting screw 25 rotation, the first fixed shaft 19 lower end of the end 28 will slide along the countersunk groove 27, because the first fixed shaft 19 lower end of the end 28 upper surface and the limit countersunk groove 27 lower surface contact, therefore the first fixed shaft 19 will not produce rotation.
[0034] Need to be explained, about the bearing and the connecting seat 3, the first fixed shaft 19 is prior art, at the same time, the bearing gland and spring ring assembly is the public knowledge in the art, here does not do the specific installation process description.
Claims
1. A connecting device for an engine retrofit silicone oil clutch fan assembly, characterized in that: Includes a pulley (1), with a drive wheel (2) coaxially fixedly connected to the upper end of the pulley (1), a mounting base (3) fixedly connected to the upper housing (4) of the engine, a driven wheel (5) rotatably connected to the upper end of the mounting base (3), a belt (6) sleeved between the drive wheel (2) and the driven wheel (5), and a silicone oil clutch fan assembly fixedly connected to the upper end of the driven wheel (5). The drive wheel (2) drives the driven wheel (5) to rotate through the belt (6), thereby enabling the driven wheel (5) to drive the silicone oil clutch fan assembly to rotate.
2. The connecting device for an engine retrofit silicone oil clutch fan assembly according to claim 1, characterized in that: The pulley (1) has multiple first threaded holes, the drive pulley (2) has multiple through second threaded holes, and the first bolt (8) is threadedly connected to the first threaded holes and the second threaded holes.
3. The connecting device for an engine retrofit silicone oil clutch fan assembly according to claim 1, characterized in that: It also includes a bracket (9), which is connected to the upper end of the engine housing (4) by a second bolt (10).
4. A connecting device for an engine retrofit silicone oil clutch fan assembly according to claim 3, characterized in that: The lower end of the mounting base (3) is connected to the upper end of the bracket (9) by the third bolt (11).
5. A connecting device for an engine retrofit silicone oil clutch fan assembly according to claim 4, characterized in that: It also includes a first bearing (12) and a connecting seat (13). The inner ring of the first bearing (12) is fixed on the mounting seat (3), and the outer ring of the first bearing (12) is fixed inside the connecting seat (13). The inner wall of the connecting seat (13) is provided with two slots. The first spring retainer (14) is engaged inside the slots to limit the axial movement of the first bearing (12). The driven wheel (5) is fixedly connected to the outside of the connecting seat (13) by the fourth bolt (15).
6. A connecting device for an engine retrofit silicone oil clutch fan assembly according to claim 5, characterized in that: It also includes a first guide wheel assembly (16) and a second guide wheel assembly (17). The first guide wheel assembly (16) and the second guide wheel assembly (17) are rotatably connected to the upper end of the bracket (9). The belt (6) is sleeved between the driving wheel (2), the first guide wheel assembly (16), the second guide wheel assembly (17), and the driven wheel (5). The second guide wheel assembly (17) has the same structure as the first guide wheel assembly (16).
7. A connecting device for an engine retrofit silicone oil clutch fan assembly according to claim 6, characterized in that: The first guide wheel assembly (16) includes a first guide wheel (18), a first fixed shaft (19), a first bearing cap (20), a second bearing cap (21), a second spring retainer (22), a first nut (23), and a second bearing (24); The first fixed shaft (19) extends through to the upper end of the bracket (9). The inner ring of the second bearing (24) is fixedly connected to the outside of the first fixed shaft (19), and the outer ring of the second bearing (24) is fixedly connected to the inner wall of the first guide wheel (18). The inner wall of the first guide wheel (18) is provided with two slots, and two second spring retainers (22) are engaged in the slots to limit the axial movement of the second bearing (24). The first bearing cap (20) is sleeved on the outside of the first fixed shaft (19) and placed at the lower end of the second bearing (24). The outer edge of the bearing cap (20) approaches the inner wall of the first guide wheel (18), but does not contact the inner wall of the first guide wheel (18). The second bearing cap (21) is sleeved on the outside of the first fixed shaft (19) and placed on the upper end of the second bearing (24). The outer edge of the second bearing cap (21) approaches the inner wall of the first guide wheel (18), but does not contact the inner wall of the first guide wheel (18). The first nut (23) is threaded to the upper end of the first fixed shaft (19) for fixing the second bearing cap (21).
8. A connecting device for an engine retrofit silicone oil clutch fan assembly according to claim 7, characterized in that: It also includes an adjustment assembly, which includes an adjustment screw (25), a limiting countersunk groove (27) on the bracket (9), a first fixed shaft (19) passing through the limiting countersunk groove (27), a threaded hole on the end (28) at the lower end of the first fixed shaft (19), the upper surface of the end (28) at the lower end of the first fixed shaft (19) contacting the lower surface of the limiting countersunk groove (27), the adjustment screw (25) passing through the bracket (9) and extending into the limiting countersunk groove (27), the adjustment screw (25) being threadedly connected to the end (28) at the lower end of the first fixed shaft (19), and a locking block (26) on the outer wall of the adjustment screw (25), the locking block (26) abutting against the outside of the bracket (9).