A novel electronically controlled high-torque silicone oil clutch

By adding the second maze groove and expanding the diameter of the oil outlet hole in the electronic systolic oil clutch, torque and durability are improved; perforated welding is used to connect the Hall sensor and the PCB board, which improves the welding strength; the connecting block and clamp structure design is adopted to simplify the replacement process of threaded holes, and solve the problems of insufficient torque, poor durability, insufficient welding strength and serious wear of threaded holes in the prior art.

CN222731988UActive Publication Date: 2025-04-08WENZHOU YILONG AUTO PARTS CO LTD
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Patent Information

Application Number
CN202421502890.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-28
Publication Date
2025-04-08
Estimated Expiration
2034-06-28

AI Technical Summary

Technical Problem

The torque of existing SILI oil clutches is not large enough and durable, which affects wear between gears; patch welding between Hall sensors and PCB boards is prone to desoldering and dummy welding; the screws and threaded holes between the front and rear covers of the SILI oil clutch are installed in conjunction with the threaded holes, which makes it time-consuming and laborious to replace them again.

Method used

A new type of electrically controlled large torque silicone oil clutch was designed. By adding the second maze groove on the active plate and expanding the diameter of the oil outlet hole, the oil grabbing and oil output of the rear cover was increased; perforated welding was used to connect the Hall sensor and the PCB board; structural designs such as connecting blocks and clamps were adopted to achieve rapid replacement of threaded holes.

Benefits of technology

The torque of the clutch is increased from 300Nm to 380Nm, which extends durability and reduces gear wear; the stable welding of Hall sensor and PCB board is realized, and the welding strength is improved; the replacement process of threaded holes is simplified and the replacement efficiency is improved.

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Abstract

The utility model belongs to the technical field of silicone oil clutch, specifically a novel electronically controlled large torque silicone oil clutch, comprising a fan assembly; the fan assembly is installed with a rear cover through a first screw, the rear cover is connected with a rotating shaft through a connecting hole, an active plate is connected to the outer wall of the rotating shaft, and a first labyrinth groove is provided on the active plate; the second labyrinth groove, the first oil outlet hole and the second oil outlet hole and other structural designs solve the problem that the torque of the existing electronically controlled silicone oil clutch cannot meet the matching requirements of a 17L high horsepower engine, and the insufficient slip thermal durability affects the wear of the working teeth, thereby increasing the clutch torque, improving the durability, and reducing the wear between the working teeth; the Hall sensor perforation welding solves the problem that the existing Hall sensor and the PCB board adopt the patch welding, which is easy to cause the desoldering and cold welding, thereby causing the problem of insufficient welding strength and easy delamination, thereby improving the welding strength and not easily causing the phenomenon of poor welding affecting the loss of the speed signal.
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Description

Technical Field

[0001] The utility model relates to the technical field of silicone oil clutches, in particular to a novel electronically controlled large-torque silicone oil clutch. Background Art

[0002] The electronically controlled silicone oil clutch is an advanced clutch that uses electronic control technology to adjust the viscosity of silicone oil to transmit torque. This clutch achieves fast response and efficient torque transmission by precisely controlling the flow of silicone oil between the oil storage chamber and the working chamber. Its core components include the driving shaft, electronic control components, front housing, rear housing and driving plate. The driving plate divides the cavity between the front housing and the rear housing into the oil storage chamber and the working chamber, and controls the flow of silicone oil through the oil inlet and return holes.

[0003] The torque of the existing electronically controlled silicone oil clutch is not large enough, and the lack of reliability affects the wear between gears; the existing Hall sensor and PCB board are connected by patch welding, but this welding method is prone to desoldering and cold soldering during use, resulting in insufficient welding strength and easy delamination; and the front and rear covers of the existing electronically controlled silicone oil clutch are installed with screws and threaded holes, and long-term use causes the threaded holes to wear seriously. It is time-consuming and laborious to reopen the threaded holes for installation, which is relatively inconvenient. Therefore, a new electronically controlled high-torque silicone oil clutch is proposed to address the above problems. Utility Model Content

[0004] In order to make up for the deficiencies of the prior art, the torque of the existing electronically controlled silicone oil clutch is not large enough, the durability is not good, and the wear between the gears is affected; the existing Hall sensor and the PCB board are welded by patch welding, but this welding method is prone to desoldering and cold soldering during use, resulting in insufficient welding strength and easy delamination; and the front and rear covers of the existing electronically controlled silicone oil clutch are installed with screws and threaded holes, and long-term use causes serious wear of the threaded holes, and it is time-consuming and labor-intensive to reopen the threaded holes for installation, which is relatively inconvenient. The utility model proposes a new electronically controlled large-torque silicone oil clutch.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a novel electrically controlled large torque silicone oil clutch, comprising a fan assembly; the fan assembly is installed with a rear cover through a first screw, the rear cover is connected to a rotating shaft through a connecting hole, an active plate is connected to the outer wall of the rotating shaft, a first labyrinth groove is provided on the active plate, a second labyrinth groove is provided on the active plate and is located on the outside of the first labyrinth groove, an oil guide channel is provided on the fan assembly, a first oil outlet hole is provided on the fan assembly and is located on one side of the oil guide channel, a second oil outlet hole is provided on the outer wall of the fan assembly and corresponds to the first oil outlet hole, a circuit board is installed on the active plate, a PCB board is provided at the bottom of the circuit board, a mounting block is installed on the side wall of the PCB board, a through hole is provided on the mounting block, a Hall sensor is installed on the mounting block through the through hole welding, and a siphon groove is provided on the active plate and is located on the inner side of the first labyrinth groove.

[0006] Preferably, three groups of the second labyrinth grooves are provided, and the diameters of the first oil outlet holes and the second oil outlet holes are increased from φ4 to φ5.

[0007] Preferably, three groups of the oil guide channels are provided, and a plurality of the through holes are provided and are adapted to be matched with the Hall sensors.

[0008] Preferably, the first oil outlet hole and the second oil outlet hole are interconnected, and the first oil outlet hole, the second oil outlet hole and the axis of the rotating shaft are located on the same straight line.

[0009] Preferably, the welding method between the mounting block and the Hall sensor is perforation welding.

[0010] Preferably, a mounting groove is provided on the port of the rear cover, and the rear cover is slidably connected to a connecting block through the mounting groove, an internal thread is provided on the connecting block and located at the center, and corresponding clamping grooves are provided on the upper and lower side walls of the connecting block, and inner grooves are provided on the rear cover and located on the upper and lower sides of the mounting groove, and springs are installed on the rear cover through the inner groove and on the front and rear sides, the other ends of the two springs are connected through a clamping block, a connecting pin is installed on the side wall of the clamping block, and a pull plate is provided at the other end of the connecting pin.

[0011] Preferably, a buckle groove is provided on the side wall of the pull plate, a plurality of installation grooves are provided, a movable groove is provided on the back cover corresponding to the connecting pin, the other end of the connecting pin passes through the movable groove and is slidably connected to the back cover, and a receiving groove is provided on the back cover and located on one side of the movable groove, and the back cover is slidably connected to the pull plate through the receiving groove.

[0012] Preferably, the connection block is threadedly connected to a second screw via an internal thread, the rear cover is mounted to the front cover via the second screw, and oil grooves are provided on the rear cover and the front cover corresponding to the second labyrinth groove.

[0013] The utility model is beneficial in that:

[0014] 1. The utility model adopts the structural design of the second labyrinth groove, the first oil outlet hole and the second oil outlet hole, and adds three groups of the second labyrinth grooves on the basis of the first labyrinth groove, which can increase the oil holding capacity of the rear cover, so that the torque of the clutch is increased from the original 300Nm to 380Nm, and the first oil outlet hole and the second oil outlet hole are increased from φ4 to φ5, which increases the oil output and reduces the wear. It solves the problem that the torque of the existing electronically controlled silicone oil clutch is not large enough, the durability is not good, and the wear between the gears is affected, thereby increasing the clutch torque, improving the durability, and reducing the wear between the gears.

[0015] 2. The utility model adopts the design of the mounting block and the through-hole structure, utilizes the pin of the Hall sensor to pass through the through-hole, and then performs through-hole welding on the mounting block and the Hall sensor, thereby realizing the function of stable welding between the Hall sensor and the PCB board, solving the problem that the existing Hall sensor and the PCB board adopt the patch welding, which is easy to cause desoldering and cold welding, thus resulting in insufficient welding strength and easy peeling, and improving the welding strength and preventing peeling;

[0016] 3. The utility model uses structural designs such as connecting blocks and clamping blocks to pull the pull plate outward, and the pull plate moves with the clamping block through the connecting pin and compresses the spring, so that the spring leaves the clamping slot, the internal thread is quickly removed, and a new internal thread is replaced and placed in the installation slot. The pull plate is released, and the clamping block is driven to be clamped into the clamping slot under the resetting action of the spring, so that the threaded hole can be quickly replaced. This solves the problem that the threaded holes are severely worn due to long-term use between the front and rear covers of the existing electronically controlled silicone oil clutch, and it is time-consuming and labor-intensive to reopen the threaded holes for installation, thereby improving the replacement efficiency of the threaded holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the overall split structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the front cover and active plate of the utility model;

[0020] Figure 3 It is a schematic diagram of the three-dimensional structure of the active board of the utility model;

[0021] Figure 4 It is a schematic diagram of the enlarged structure of point A of the utility model;

[0022] Figure 5 This is a schematic diagram of the circuit board, PCB board and Hall sensor structure of the utility model;

[0023] Figure 6 This is a schematic diagram of the mounting block, through hole and Hall sensor structure of the utility model;

[0024] Figure 7 This is a schematic diagram of the rear cover structure of the utility model;

[0025] Figure 8 This is an enlarged structural diagram of the B part of the utility model

[0026] Fig. 9 It is a schematic diagram of the cutaway structure of the rear cover of the utility model;

[0027] Fig.10 It is a schematic diagram of the enlarged structure of point C of the utility model.

[0028] In the figure: 1. fan assembly; 2. first screw; 3. rear cover; 4. rotating shaft; 5. active board; 6. first labyrinth groove; 7. second labyrinth groove; 8. oil guide channel; 9. first oil outlet hole; 10. second oil outlet hole; 11. circuit board; 12. PCB board; 13. mounting block; 14. through hole; 15. Hall sensor; 16. siphon groove; 17. mounting groove; 18. connecting block; 19. internal thread; 20. card slot; 21. inner groove; 22. spring; 23. card block; 24. connecting pin; 25. pull plate; 26. buckle slot; 27. movable slot; 28. receiving slot; 29. ​​second screw; 30. front cover. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] The following is combined with Figure 1-10 To further explain this application in detail,

[0031] The present application discloses a novel electronically controlled high torque silicone oil clutch. Figure 1 and Fig.10A novel electronically controlled large torque silicone oil clutch comprises a fan assembly 1; the fan assembly 1 is mounted with a rear cover 3 through a first screw 2, the rear cover 3 is connected with a rotating shaft 4 through a connecting hole, an active plate 5 is connected to the outer wall of the rotating shaft 4, a first labyrinth groove 6 is provided on the active plate 5, a second labyrinth groove 7 is provided on the active plate 5 and is located outside the first labyrinth groove 6, an oil guide channel 8 is provided on the fan assembly 1, a first oil outlet hole 9 is provided on the fan assembly 1 and is located on one side of the oil guide channel 8, a second oil outlet hole 10 is provided on the outer wall of the fan assembly 1 and corresponds to the first oil outlet hole 9, a circuit board 11 is mounted on the active plate 5, a PCB board 12 is provided at the bottom of the circuit board 11, a mounting block 13 is mounted on the side wall of the PCB board 12, a through hole 14 is provided on the mounting block 13, a Hall sensor 15 is welded and mounted on the mounting block 13 through the through hole 14, a siphon groove 16 is provided on the active plate 5 and is located inside the first labyrinth groove 6; in the Three groups of second labyrinth grooves 7 are added on the basis of a labyrinth groove 6, so that the oil holding capacity of the rear cover 3 can be increased, and the torque of the clutch is increased from about 300 to about 380. The first oil outlet hole 9 and the second oil outlet hole 10 are increased from φ4 to φ5, which increases the oil output and reduces the wear. The problem that the torque of the existing electronically controlled silicone oil clutch is not large enough and the durability is not good, which affects the wear between the gears, thereby increasing the clutch torque, improving the durability, and reducing the wear between the gears. The pin of the Hall sensor 15 is passed through the through hole 14, and then the mounting block 13 and the Hall sensor 15 are perforated and welded, so that the function of stable welding of the Hall sensor 15 and the PCB board 12 is realized, and the problem that the existing Hall sensor 15 and the PCB board 12 are welded by patch welding, which is easy to desolder and cold welding, thereby resulting in insufficient welding strength and easy peeling, improves the welding strength, and is not easy to peel off.

[0032] Reference Figure 2 and Figure 3 , the second labyrinth groove 7 is provided with three groups, the diameter of the first oil outlet hole 9 and the second oil outlet hole 10 is increased from φ4 to φ5; the oil guide channel 8 is provided with three groups, and a plurality of through holes 14 are provided and are adapted to the Hall sensor 15; the first oil outlet hole 9 and the second oil outlet hole 10 are mutually connected, and the first oil outlet hole 9, the second oil outlet hole 10 and the axis of the rotating shaft 4 are located on the same straight line; the welding method between the mounting block 13 and the Hall sensor 15 is perforation welding; the first oil outlet hole 9, the second oil outlet hole 10 and the axis of the rotating shaft 4 are located on the same straight line, so that the first oil outlet hole 9 and the second oil outlet hole 10 are more convenient to turn the hole;

[0033] Reference Figure 7-10, a mounting groove 17 is provided on the port of the rear cover 3, and a connecting block 18 is slidably connected to the rear cover 3 through the mounting groove 17. An internal thread 19 is provided on the connecting block 18 and located at the center. A clamping groove 20 is correspondingly provided on the upper and lower side walls of the connecting block 18. An inner groove 21 is correspondingly provided on the upper and lower sides of the mounting groove 17 on the rear cover 3. Springs 22 are installed on the rear cover 3 through the inner groove 21 and located at the front and rear sides. The other ends of the two springs 22 are connected through a clamping block 23. A connecting pin 24 is installed on the side wall of the clamping block 23. A pull plate 25 is provided at the other end of the connecting pin 24. By providing the structural design of the connecting block 18 and the clamping block 23, the problem that the screws and threaded holes are used to match the installation between the front and rear covers of the existing electronically controlled silicone oil clutch, the threaded holes are seriously worn out due to long-term use, and it is time-consuming and laborious to re-open the threaded holes for matching installation is solved, and the replacement efficiency of the threaded holes is improved;

[0034] Reference Figure 1-3 A buckle groove 26 is provided on the side wall of the pull plate 25, a plurality of mounting grooves 17 are provided, a movable groove 27 is provided on the rear cover 3 and corresponds to the connecting pin 24, the other end of the connecting pin 24 passes through the movable groove 27 and is slidably connected to the rear cover 3, a receiving groove 28 is provided on the rear cover 3 and is located on one side of the movable groove 27, and the rear cover 3 is slidably connected to the pull plate 25 through the receiving groove 28; the connecting block 18 is threadedly connected with a second screw 29 through an internal thread 19, and the rear cover 3 is installed with a front cover 30 through the second screw 29, and an oil groove is provided on the rear cover 3 and the front cover 30 and corresponds to the second labyrinth groove 7; an oil groove is provided on the rear cover 3 and the front cover 30 and corresponds to the second labyrinth groove 7, so as to facilitate the use of the second labyrinth groove 7 on the active plate 5, thereby increasing the clutch torque;

[0035] Working principle: By adding three sets of second labyrinth grooves 7 on the basis of the first labyrinth grooves 6, the oil holding capacity of the rear cover 3 can be increased, so that the torque of the clutch is increased from about 300 to about 380. The first oil outlet hole 9 and the second oil outlet hole 10 are increased from φ4 to φ5, which increases the oil output and reduces the wear. The second labyrinth groove 7, the first oil outlet hole 9 and the second oil outlet hole 10 and other structural designs solve the problem that the torque of the existing electronically controlled silicone oil clutch cannot meet the matching requirements of the 17L high-horsepower engine, and the insufficient slip thermal durability affects the wear of the working teeth. The clutch torque is increased, the durability is improved, and the wear between the working teeth is reduced; the pin of the Hall sensor 15 is passed through the through hole 14, and then the mounting block 13 and the Hall sensor 15 are subjected to perforation welding, so that the Hall sensor 15 and the PCB board 12 are stably welded. The Hall sensor perforation welding solves the problem that the existing Hall sensor 15 and the PCB board 12 are subjected to patch welding, which is prone to desoldering and cold welding, thereby resulting in insufficient welding strength and easy delamination. The welding strength is improved, and it is not easy to cause the phenomenon of poor welding affecting the loss of the speed signal;

[0036] The user holds the buckle grooves 26 on the upper and lower sides with his fingers and moves the corresponding pull plate 25 to the outside. The pull plate 25 drives the connecting pin 24 to move. The connecting pin 24 moves the block 23 to the outside and squeezes the spring 22, so that the block 23 leaves the slot 20. The block 23 loses control of the connecting block 18, and the connecting block 18 is quickly removed. Then a new connecting block 18 is replaced, so that the slot 20 is aligned with the movement direction of the block 23. Then the user releases the pull plate 25 with his fingers, and the block 23 is driven into the slot 20 under the reset action of the spring 22 to achieve fixed installation of the connecting block 18. The structural design of the connecting block 18 and the block 23 solves the problem that the screws and threaded holes are used to match the installation between the front and rear covers of the existing electronically controlled silicone oil clutch, the threaded holes are seriously worn out due to long-term use, and it is time-consuming and labor-intensive to reopen the threaded holes for matching installation, thereby improving the replacement efficiency of the threaded holes.

[0037] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A novel electronically controlled high torque silicone oil clutch, comprising a fan assembly (1); characterized in that: The fan assembly (1) is mounted with a rear cover (3) via a first screw (2); the rear cover (3) is connected to a rotating shaft (4) via a connecting hole; an active plate (5) is connected to the outer wall of the rotating shaft (4); a first labyrinth groove (6) is provided on the active plate (5); a second labyrinth groove (7) is provided on the active plate (5) and is located outside the first labyrinth groove (6); an oil guide channel (8) is provided on the fan assembly (1); a first oil outlet hole (9) is provided on the fan assembly (1) and is located on one side of the oil guide channel (8); the fan assembly ( 1) is provided with a second oil outlet hole (10) on the outer wall thereof and corresponding to the first oil outlet hole (9); a circuit board (11) is installed on the active board (5); a PCB board (12) is arranged at the bottom of the circuit board (11); a mounting block (13) is installed on the side wall of the PCB board (12); a through hole (14) is provided on the mounting block (13); a Hall sensor (15) is welded and mounted on the mounting block (13) through the through hole (14); and a siphon groove (16) is provided on the active board (5) and located on the inner side of the first labyrinth groove (6).

2. A novel electronically controlled high torque silicone oil clutch according to claim 1, characterized in that: The second labyrinth groove (7) is provided with three groups, and the diameters of the first oil outlet hole (9) and the second oil outlet hole (10) are increased from φ4 to φ5.

3. A novel electronically controlled high torque silicone oil clutch according to claim 1, characterized in that: The oil guide channels (8) are provided in three groups, and the through holes (14) are provided in a plurality and are adapted to be arranged with the Hall sensor (15).

4. A novel electronically controlled high torque silicone oil clutch according to claim 1, characterized in that; The first oil outlet hole (9) and the second oil outlet hole (10) are interconnected, and the axis of the first oil outlet hole (9), the second oil outlet hole (10) and the rotating shaft (4) are located on the same straight line.

5. The novel electronically controlled high torque silicone oil clutch according to claim 1 is characterized in that: The welding method between the mounting block (13) and the Hall sensor (15) is through-hole welding.

6. The novel electronically controlled high torque silicone oil clutch according to claim 1 is characterized in that: The port of the rear cover (3) is provided with a mounting groove (17), and the rear cover (3) is slidably connected to a connecting block (18) through the mounting groove (17). An internal thread (19) is provided on the connecting block (18) and located at the center. The upper and lower side walls of the connecting block (18) are correspondingly provided with clamping grooves (20). The rear cover (3) is provided with inner grooves (21) and located at the upper and lower sides of the mounting groove (17). The rear cover (3) is provided with springs (22) through the inner grooves (21) and located at the front and rear sides. The other ends of the two springs (22) are connected through a clamping block (23). A connecting pin (24) is installed on the side wall of the clamping block (23), and a pull plate (25) is provided at the other end of the connecting pin (24).

7. A novel electronically controlled high torque silicone oil clutch according to claim 6, characterized in that: A buckle groove (26) is provided on the side wall of the pull plate (25), a plurality of the mounting grooves (17) are provided, a movable groove (27) is provided on the rear cover (3) and corresponds to the connecting pin (24), the other end of the connecting pin (24) passes through the movable groove (27) and is slidably connected to the rear cover (3), a receiving groove (28) is provided on the rear cover (3) and is located on one side of the movable groove (27), and the rear cover (3) is slidably connected to the pull plate (25) via the receiving groove (28).

8. The novel electronically controlled high torque silicone oil clutch according to claim 6 is characterized in that: The connection block (18) is threadedly connected to a second screw (29) via an internal thread (19); the rear cover (3) is mounted with a front cover (30) via the second screw (29); and oil grooves are provided on the rear cover (3) and the front cover (30) and correspond to the second labyrinth groove (7).