CN210218545U - Torsion damping structure suitable for electromagnetic fan clutch - Google Patents
Torsion damping structure suitable for electromagnetic fan clutch Download PDFInfo
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- CN210218545U CN210218545U CN201920879311.8U CN201920879311U CN210218545U CN 210218545 U CN210218545 U CN 210218545U CN 201920879311 U CN201920879311 U CN 201920879311U CN 210218545 U CN210218545 U CN 210218545U
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Abstract
The utility model discloses a torsion damping structure suitable for an electromagnetic fan clutch, which is used for being arranged on a clutch driving shaft synchronously rotating with a belt pulley and realizing the flexible start and stop of a fan by matching with a driving sucker on the belt pulley, and comprises a friction disc component, a fan connecting disc component, a damping disc component and a gasket; the damping disc component comprises a damping disc and a damping disc bearing, wherein a plurality of extending parts are arranged along the circumferential direction of the damping disc component; the fan connecting disc assembly comprises a fan connecting disc and a connecting disc bearing arranged on the fan connecting disc, and a magnetic induction mechanism is arranged between the fan connecting disc and the damping disc; and a damping rubber pad is arranged between every two adjacent extending parts of the damping disc and is fixed on the fan connecting disc through a positioning screw. The utility model discloses can realize that the fan is flexible opens and stop, avoid causing the injury to the engine train, reduce the cracked risk of belt, reduce the sucking in the twinkling of an eye ear noise.
Description
Technical Field
The utility model relates to a twist reverse shock-absorbing structure suitable for electromagnetic fan clutch.
Background
The time that the automobile needs the fan to work in the driving process is about 1/3, the cooling fan consumes 5% -8% of rated power of an engine, the oil consumption can be reduced by 4% -5% after the electromagnetic fan clutch is used, and more commercial vehicles in the market are provided with the electromagnetic fan clutch at present. The electromagnetic fan clutch at the present stage can generate instant impact force instantly when the full-speed operation of suction is carried out, the instantly impacted torque can reach about 50% of the normal operation torque (as shown in figure 1), the impact force can cause damage to the whole engine wheel train, the risk of belt fracture is greatly increased, the service life of the belt is shortened, and simultaneously the instant impact can also generate instant harsh noise.
Disclosure of Invention
The utility model provides a technical problem provide a twist reverse shock-absorbing structure suitable for electromagnetic fan clutch.
The technical scheme of the utility model is that: a torsion damping structure suitable for an electromagnetic fan clutch is used for being installed on a clutch driving shaft which rotates synchronously with a belt pulley, and realizing flexible starting and stopping of a fan by matching with a driving sucker on the belt pulley, and comprises a friction disc component used for being attached to the driving sucker for transmission, a fan connecting disc component used for installing the fan, and a damping disc component arranged between the friction disc component and the fan connecting disc component, wherein a gasket is arranged between the damping disc component and the fan connecting disc component; the damping disc assembly comprises a damping disc and a damping disc bearing, the damping disc is provided with a plurality of extending parts along the circumferential direction, the damping disc bearing is arranged on the damping disc and used for being connected with the clutch driving shaft, and the friction disc assembly is fixedly arranged on one side of the damping disc through a first screw; the fan connecting disc assembly comprises a fan connecting disc and a connecting disc bearing which is arranged on the fan connecting disc and used for being connected with the clutch driving shaft, and a magnetic induction mechanism used for driving the fan connecting disc to rotate is arranged between the fan connecting disc and the damping disc; all be equipped with vibration-damping rubber pad between per two adjacent extensions of vibration-damping disk, vibration-damping rubber pad passes through set screw fixed mounting in one side that the fan connection pad is close to the vibration-damping disk, can realize the synchronous rotation of fan connection pad and vibration-damping disk through vibration-damping rubber pad flexible contact when fan connection pad rotates with the vibration-damping disk relatively.
Further, in the utility model discloses in the extension has threely and follows damping disk circumference evenly distributed.
Furthermore, in the present invention, the magnetic induction mechanism includes a damper disc inner ring magnet and a damper disc outer ring magnet fixed on the damper disc, a coupling disc inner ring magnet and a coupling disc outer ring magnet fixed on the fan coupling disc, the damper disc outer ring magnet includes three first N-pole magnets provided on the three extension portions, respectively, the damper disc inner ring magnet includes three second N-pole magnets and three first S-pole magnets, a second N-pole magnet is provided on a perpendicular bisector of each adjacent two first N-pole magnets, a first S-pole magnet is provided between each adjacent two second N-pole magnets, the coupling disc outer ring magnet includes six third N-pole magnets, two third N-pole magnets are provided on the fan coupling disc corresponding to positions between each adjacent two extension portions so as to form a mutual repulsive force with the first N-pole magnets on both sides via the third N-pole magnets, the connecting disc inner ring magnet comprises three fourth N-pole magnets and three second S-pole magnets which correspond to the six magnets of the damping disc inner ring magnet one by one and have opposite magnetic field polarities, so that mutual attraction can be formed.
Further, in the utility model discloses in be equipped with the damping disk jump ring that is used for fixing a position the damping disk bearing on the damping disk.
Further, in the utility model discloses in be equipped with the connection pad jump ring that is used for fixing a position the connection pad bearing on the fan connection pad.
Furthermore, in the present invention, the fan connecting plate is provided with a connecting screw for connecting the fan.
Compared with the prior art, the utility model the advantage that has is: the utility model discloses according to electromagnetic fan clutch's theory of operation, the on-vehicle computer constantly switches on according to the temperature of engine promptly, the power failure, thereby control the initiative sucking disc actuation on friction disc and the belt pulley, throw off, and then design one kind and be applicable to electromagnetic fan clutch twist reverse shock-absorbing structure, be used for absorbing friction disc and initiative sucking disc meshing or the instantaneous impact force of separation, make the fan flexible open stop, the speed increase and decrease of initiative sucking disc promptly, it can both absorb the percussion power fast to twist reverse shock-absorbing structure, avoided causing the injury to the engine train, reduce the cracked risk of belt, the belt life has been prolonged, and greatly reduced the dazzling noise in the twinkling of an eye of actuation.
Drawings
The invention will be further described with reference to the following drawings and examples:
FIG. 1 is a diagram illustrating torque variation during operation of a conventional electromagnetic fan clutch;
fig. 2 is a schematic perspective view of the present invention;
FIG. 3 is an exploded view of the present invention;
fig. 4 is an exploded view from another perspective of the present invention;
FIG. 5 is a magnet arrangement diagram of the damping plate according to the present invention;
FIG. 6 is a diagram of a magnet arrangement of the fan connecting plate of the present invention;
fig. 7 is a torque variation diagram of the electromagnetic fan clutch operating after the use of the present invention.
Wherein: 1. a fan coupling disk assembly; 1a, a fan connecting disc; 1b, a shock-absorbing rubber pad; 1c, a positioning screw; 1d, connecting disc outer ring magnets; 1e, connecting screws; 1f, connecting a disc bearing; 1g, connecting plate clamp springs; 2. a gasket; 3. a damper disc assembly; 3a, a damping disc; 3b, a damper disc bearing; 3c, a damping disc clamp spring; 3d, an outer ring magnet of the damping disc; 4. a friction disc assembly; 5. a first screw.
Detailed Description
Example (b):
combine fig. 2 to 7 to show that the utility model relates to a twist reverse shock-absorbing structure's embodiment suitable for electromagnetic fan clutch twists reverse shock-absorbing structure and is used for installing on the clutch driving shaft with the synchronous pivoted of belt pulley, open through the flexibility that cooperatees the realization fan with the initiative sucking disc on the belt pulley and stop, it is mainly including being used for with the driven friction disk subassembly 4 of initiative sucking disc laminating, a fan connection dish subassembly 1 for installing the fan, and locate the shock attenuation dish subassembly 3 between friction disk subassembly 4 and the fan connection dish subassembly 1, be equipped with packing ring 2 between shock attenuation dish subassembly 3 and the fan connection dish subassembly 1.
The damping disk assembly 3 comprises a damping disk 3a with three extending parts uniformly distributed along the circumferential direction, a damping disk bearing 3b arranged on the damping disk 3a and connected with the clutch driving shaft, and a damping disk clamp spring 3c used for positioning the damping disk bearing 3b is further arranged on the damping disk 3 a. The friction disc assembly 4 is fixedly mounted on one side of the damper disc 3a by means of a first screw 5.
The fan connecting disc assembly 1 comprises a fan connecting disc 1a and a connecting disc bearing 1f arranged on the fan connecting disc 1a and used for being connected with a clutch driving shaft, and a connecting disc clamping spring 1g used for positioning the connecting disc bearing 1f is further arranged on the fan connecting disc 1 a.
A magnetic induction mechanism for driving the fan connecting disc 1a to rotate is arranged between the fan connecting disc 1a and the damping disc 3 a. Referring to fig. 5 and 6, the magnetic induction mechanism includes a damper disc inner ring magnet and a damper disc outer ring magnet 3d fixed to the damper disc 3a, and a connection disc inner ring magnet and a connection disc outer ring magnet 1d fixed to the fan connection disc 1 a.
The damping disk outer ring magnet 3d includes three first N-pole magnets provided on the three extension portions, respectively, and the damping disk inner ring magnet includes three second N-pole magnets and three first S-pole magnets. Every two adjacent first N magnetic poles are provided with a second N magnetic pole on the perpendicular bisector, and every two adjacent second N magnetic poles are provided with a first S magnetic pole between each two adjacent second N magnetic poles.
The connection disc outer ring magnet 1d includes six third N-pole magnets, and two third N-pole magnets are provided on the fan connection disc 1a at positions corresponding to positions between every two adjacent protruding portions so as to be able to form mutual repulsive force with the first N-pole magnets on both sides by the third N-pole magnets. The connecting disc inner ring magnet comprises three fourth N-pole magnets and three second S-pole magnets which correspond to the six magnets of the damping disc inner ring magnet one by one and have opposite magnetic field polarities, so that mutual attraction can be formed.
Further, a damping rubber pad 1b is arranged between every two adjacent extending portions of the damping disc 3a, and the damping rubber pad 1b is fixedly installed on one side, close to the damping disc 3a, of the fan connecting disc 1a through a positioning screw 1 c. When the fan connecting disc 1a and the damper disc 3a rotate relatively, the fan connecting disc 1a and the damper disc 3a can flexibly contact through the damper rubber pad 1b and realize synchronous rotation of the fan connecting disc 1a and the damper disc 3 a.
Further, a connection screw 1e for connecting a fan is provided on the fan connection plate 1 a.
When the friction disc assembly 4 works, the friction disc assembly 4 is fixed on the damper disc assembly 3 through the first screw 5 and then locked on the clutch driving shaft together with the fan connecting disc assembly 1 through the gasket 2.
When the water temperature of the engine does not reach the set value of the vehicle-mounted computer, the electromagnetic fan clutch is not electrified, the torsional damping structure assembly is in a follow-up state, namely, two bearing inner rings on a driving shaft of the clutch rotate at full speed, and a bearing outer ring rotates along with the inner rings under the drive of rolling steel balls, but the rotating speed is only dozens of revolutions per minute. At this time, six magnets on the inner ring of the fan connecting disc 1a and six magnets on the inner ring of the damper disc 3a, N, S poles attract each other, so that the two discs are in a relatively stationary state.
When the water temperature of the engine reaches the set value of the vehicle-mounted computer, the electromagnetic fan clutch is electrified to generate suction force, the friction disc assembly 4 is attached to the driving sucker, and the friction disc assembly 4 and the damping disc assembly 3 rotate at the same speed at the same time. The fan connecting disc assembly 1 also rotates along with the attraction of the magnets, when the rotating speed of the active sucker is higher, the inertia torque generated by the rotational inertia of the fan is larger, and after the inertia torque is larger than the sum of the attraction of the magnets on the inner rings of the two discs and the mutual repulsive force of the magnets on the outer rings of the two discs, the damping rubber pad 1b on the fan connecting disc 1a is in contact with the extending part of the damping disc 3a to absorb the impact power increased instantly by the fan, and the fan connecting disc assembly 1 and the active sucker flexibly rotate at the same speed. The whole process is completed in a short time, and the impact force at the moment of suction is eliminated. Similarly, when the rotation speed of the active sucker is rapidly reduced, the shock-absorbing rubber pad 1b on the fan connecting disc 1a is also contacted with the extension part of the shock-absorbing disc 3a, so that the fan connecting disc assembly 1 and the active sucker can flexibly rotate at the same speed. The speed increasing and reducing of the driving sucker and the torsion damping structure can quickly absorb impact energy, damage to an engine wheel system is avoided, the risk of breakage of a transmission belt is reduced, the service life of the transmission belt is prolonged, and instant harsh noise of suction is greatly reduced.
The above-mentioned embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which should not be construed as limiting the scope of the present invention. All modifications made according to the spirit of the main technical scheme of the present invention shall be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a twist reverse shock-absorbing structure suitable for electromagnetic fan clutch for install on the clutch driving shaft with the synchronous pivoted of belt pulley, the flexibility of realizing the fan through cooperateing with the initiative sucking disc on the belt pulley stops its characterized in that: the fan comprises a friction disc component (4) used for being attached to and driven by a driving sucker, a fan connecting disc component (1) used for installing a fan, and a damping disc component (3) arranged between the friction disc component (4) and the fan connecting disc component (1), wherein a gasket (2) is arranged between the damping disc component (3) and the fan connecting disc component (1); the damping disc component (3) comprises a damping disc (3 a) provided with a plurality of extending parts along the circumferential direction and a damping disc bearing (3 b) arranged on the damping disc (3 a) and used for being connected with a clutch driving shaft, and the friction disc component (4) is fixedly arranged on one side of the damping disc (3 a) through a first screw (5); the fan connecting disc assembly (1) comprises a fan connecting disc (1 a) and a connecting disc bearing (1 f) which is arranged on the fan connecting disc (1 a) and used for being connected with a clutch driving shaft, and a magnetic induction mechanism used for driving the fan connecting disc (1 a) to rotate is arranged between the fan connecting disc (1 a) and the damping disc (3 a); all be equipped with shock pad (1 b) between per two adjacent extensions of vibration damper disc (3 a), shock pad (1 b) pass through set screw (1 c) fixed mounting in fan connection pad (1 a) is close to one side of vibration damper disc (3 a), can realize the synchronous rotation of fan connection pad (1 a) and vibration damper disc (3 a) through shock pad (1 b) flexible contact when fan connection pad (1 a) rotates with vibration damper disc (3 a) relatively.
2. A torsional vibration damping arrangement for an electromagnetic fan clutch as claimed in claim 1, wherein: the three extending parts are uniformly distributed along the circumferential direction of the damping disk (3 a).
3. A torsional vibration damping arrangement for an electromagnetic fan clutch as claimed in claim 2, wherein: magnetic induction mechanism is including fixing damping disk inner circle magnet and damping disk outer lane magnet (3 d) on damping disk (3 a), fixing connection pad inner circle magnet and connection pad outer lane magnet (1 d) on fan connection pad (1 a), damping disk outer lane magnet (3 d) are including locating three respectively three last three first N utmost point magnet of extension, damping disk inner circle magnet includes three second N utmost point magnet and three first S utmost point magnet, all is equipped with a second N utmost point magnet on per two adjacent first N utmost point magnets' S the perpendicular bisector, all is equipped with a first S utmost point magnet between per two adjacent second N utmost point magnets, connection pad outer lane magnet (1 d) includes six third N utmost point magnets, all is equipped with two third N utmost point magnets to the position that corresponds between per two adjacent extensions on fan connection pad (1 a) thereby can form repulsion force each other through third N utmost point magnet and the first N utmost point magnet in both sides And the magnets in the inner ring of the connecting disc comprise three fourth N-pole magnets and three second S-pole magnets which correspond to the six magnets in the inner ring of the damping disc one by one and have opposite magnetic field polarities, so that mutual attraction force can be formed.
4. A torsional vibration damping arrangement for an electromagnetic fan clutch as claimed in claim 1, wherein: and a damping disc clamping spring (3 c) used for positioning a damping disc bearing (3 b) is arranged on the damping disc (3 a).
5. A torsional vibration damping arrangement for an electromagnetic fan clutch as claimed in claim 1, wherein: and a connecting disc clamping spring (1 g) used for positioning the connecting disc bearing (1 f) is arranged on the fan connecting disc (1 a).
6. A torsional vibration damping arrangement for an electromagnetic fan clutch as claimed in claim 1, wherein: and the fan connecting disc (1 a) is provided with a connecting screw (1 e) for connecting a fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920879311.8U CN210218545U (en) | 2019-06-12 | 2019-06-12 | Torsion damping structure suitable for electromagnetic fan clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920879311.8U CN210218545U (en) | 2019-06-12 | 2019-06-12 | Torsion damping structure suitable for electromagnetic fan clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210218545U true CN210218545U (en) | 2020-03-31 |
Family
ID=69931438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920879311.8U Active CN210218545U (en) | 2019-06-12 | 2019-06-12 | Torsion damping structure suitable for electromagnetic fan clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210218545U (en) |
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2019
- 2019-06-12 CN CN201920879311.8U patent/CN210218545U/en active Active
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