CN217539473U - Dual-mass flywheel and sealing disc pad and sealing ring matching structure - Google Patents

Abstract

The utility model discloses a dual mass flywheel and sealed dish pad and sealing ring cooperation structure relates to the automobile flywheel field, including elementary flywheel subassembly and secondary flywheel subassembly, elementary flywheel subassembly includes procapsid, ring gear, back casing, gasket and spacing ring, secondary flywheel subassembly includes biography power board, sealing ring, sealed dish pad and spline dish, biography power board, sealed dish pad, sealing ring and spline dish are folded mutually from a left side to the right side in proper order and are placed, biography power board rotates with the spacing ring to be connected, be equipped with two recesses on the sealing ring, sealed dish is stacked up and is equipped with two archs, protruding joint is in the recess. In the flywheel, the sealing disc cushion is provided with the bulges and the corresponding grooves are arranged on the sealing ring to form a circumferential thrust structure, so that the rotation limit between the sealing disc cushion and the sealing ring is increased, the synchronous operation is realized, the change of the rigidity performance of the sealing disc cushion caused by abrasion is reduced, and the basic damping torque in the working process of the dual-mass flywheel is further stabilized.

Description

Dual-mass flywheel and sealing disc gasket and sealing ring matching structure

Technical Field

The utility model relates to an automobile flywheel field, concretely relates to dual mass flywheel and sealed dish pad and sealing ring cooperation structure.

Background

The so-called dual mass flywheel is to divide the original flywheel into two parts: one part of the flywheel is reserved on one side of the original engine and plays the role of an original flywheel for starting and transmitting the rotation torque of the engine, and the part is called a primary flywheel assembly; and the other part is arranged on one side of the transmission system and is used for improving the rotational inertia of the transmission, and the part is called a secondary flywheel assembly. An annular oil chamber is formed between the primary flywheel assembly and the secondary flywheel assembly, and a torsional damper is arranged in the oil chamber. The torsional damper connects the primary flywheel assembly and the secondary flywheel assembly as a unit.

At present, a sealing disc gasket, a sealing ring and a rear shell in the existing dual-mass flywheel structure are pressed together by applied axial force. In the running process of the flywheel, the rotating direction is not limited, and the three can rub with each other, so that the sealing disc pad is easy to wear after working for a long time, the rigidity performance of the sealing disc pad is changed, and the stability of the basic damping torque of the dual-mass flywheel in the working process is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dual mass flywheel and sealed dish pad and sealing ring cooperation structure are in order to solve the problem of mentioning among the above-mentioned background art.

A dual-mass flywheel and sealing disc pad and sealing ring matching structure comprises a primary flywheel component and a secondary flywheel component, wherein the primary flywheel component comprises a front shell, a gear ring, a rear shell, a gasket and a limiting ring, the gear ring is fixedly connected with the front shell, 2 annular grooves are formed in the front shell and the rear shell, the rear shell is fixedly connected with the front shell, an arc-shaped spring is arranged in each annular groove, the gasket is riveted with the rear shell through a rivet I, and the limiting ring is installed on the outer side of the gasket;

secondary flywheel subassembly includes dowel steel, sealing ring, sealed dish pad and spline dish, dowel steel, sealed dish pad, sealing ring and spline dish are folded mutually from a left side to the right side in proper order and are placed, just dowel steel, sealed dish pad and spline dish pass through two riveting of rivet and are in the same place, dowel steel rotates with the spacing ring to be connected, and is located between procapsid and the back casing, the sealing ring is located the back casing, be equipped with two recesses on the sealing ring, be equipped with two archs on the sealed dish pad, protruding joint is in the recess.

Preferably, two protruding blocks are symmetrically arranged on the force transmission plate and located between the two arc-shaped springs.

Preferably, be equipped with buckle and location breach on the gasket, be equipped with joint portion and locating piece on the spacing ring, joint portion joint is in the buckle, the locating piece is located the location breach.

Preferably, the primary flywheel assembly is connected to an engine.

Preferably, the secondary flywheel assembly is connected to a gearbox.

The utility model has the advantages that:

in the flywheel, the sealing disc pad is provided with the bulge, the sealing ring is provided with the corresponding groove to form a circumferential thrust structure, the rotation limit between the sealing disc pad and the sealing disc pad is increased, the synchronous operation is realized, the change of the rigidity performance of the sealing disc pad caused by abrasion is reduced, the basic damping torque in the working process of the dual-mass flywheel is further stabilized, and the instability of the basic damping torque in the processing production caused by the sliding friction under multiple conditions is also reduced;

be equipped with buckle and location breach on the gasket to set up corresponding joint portion and locating piece on the spacing ring, make joint portion joint in the buckle, the locating piece is located the location breach, can be fine fix the spacing ring on the procapsid, thereby realize spacing to the force plate.

Drawings

FIG. 1 is a full sectional view of a flywheel;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a schematic structural view of a secondary flywheel assembly;

FIG. 4 is a schematic view of the force transfer plate mounted to the front housing;

fig. 5 is a schematic view of a connection structure of the spacer and the retainer ring.

In the figure: 1. a front housing; 2. a ring gear; 3. a rear housing; 4. a connecting disc; 5. a gasket; 51. buckling; 52. positioning the notch; 6. a limiting ring; 61. a clamping part; 62. positioning blocks; 7. an annular groove; 8. an arc-shaped spring; 9. riveting one; 10. a force transmission plate; 101. a protruding block; 11. a seal ring; 111. a groove; 12. sealing the disc pad; 121. a protrusion; 13. a spline plate; 14. and a second rivet.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1 to 5, a dual mass flywheel and sealing disc pad 12 and sealing ring 11 cooperation structure includes a primary flywheel component and a secondary flywheel component, the primary flywheel component includes a front housing 1, a gear ring 2, a rear housing 3, a gasket 5 and a limit ring 6, the gear ring 2 is fixedly connected with the front housing 1, 2 annular grooves 7 are respectively arranged on the front housing 1 and the rear housing 3, the annular groove 7 on the front housing 1 and the annular groove 7 on the rear housing 3 are combined into a circular channel for placing an arc spring 8, the rear housing 3 is fixedly connected with the front housing 1, the arc spring 8 is arranged in the annular groove 7, the gasket 5 is riveted with the rear housing 3 through a rivet one 9, and the limit ring 6 is installed at the outer side of the gasket 5; and is axially and circumferentially limited by a spacer 5.

Secondary flywheel subassembly includes dowel steel 10, sealing ring 11, sealed dish pad 12 and spline dish 13, dowel steel 10, sealed dish pad 12, sealing ring 11 and spline dish 13 are folded mutually from a left side to the right side in proper order and are placed, just dowel steel 10, sealed dish pad 12 and spline dish 13 are in the same place through two 14 riveting of rivet, dowel steel 10 rotates with spacing ring 6 to be connected, and is located between procapsid 1 and the back casing 3, sealing ring 11 is located back casing 3, be equipped with two recess 111 on the sealing ring 11, be equipped with two archs 121 on the sealed dish pad 12, protruding 121 joint is in recess 111.

In this embodiment, two protruding blocks 101 are symmetrically disposed on the force transmission plate 10, and the protruding blocks 101 are located between the two arc-shaped springs 8.

In this embodiment, the gasket 5 is provided with a buckle 51 and a positioning notch 52, the limiting ring 6 is provided with a clamping portion 61 and a positioning block 62, the clamping portion 61 is clamped in the buckle 51, and the positioning block 62 is located in the positioning notch 52.

In this embodiment, the primary flywheel assembly is connected to the engine.

In this embodiment, the secondary flywheel assembly is connected to a gearbox.

The working process and the principle thereof are as follows:

connecting pad 4 links to each other with the engine, and spline 13 links to each other with the gearbox, and the power of engine is applyed on connecting pad 4, procapsid 1 and back casing 3, later through the buffering of arc spring 8, absorbs partial transient kinetic energy, improves driven stationarity, and the kinetic energy that comes from arc spring 8 is received to biography power board 10 to transmit for the gearbox through spline 13 rather than the riveting.

In the process, the bulge 121 on the sealing disc pad 12 is fixed in the groove 111 of the sealing ring 11 to form a circumferential thrust structure, so that the rotation limit between the two is increased, the synchronous operation is realized, the change of the rigidity performance of the sealing disc pad 12 caused by abrasion is reduced, the basic damping torque in the working process of the dual-mass flywheel is further stabilized, the whole NVH (noise, vibration and harshness) characteristic of the dual-mass flywheel is improved, and meanwhile, the instability of the basic damping torque caused by multi-condition sliding friction in the processing production is reduced.

Be equipped with buckle 51 and location breach 52 on gasket 5 to set up corresponding joint portion 61 and locating piece 62 on spacing ring 6, make joint portion 61 joint in buckle 51, locating piece 62 is located location breach 52, can be fine fix spacing ring 6 on procapsid 1, thereby realize spacing to force plate 10.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.

Claims (5)

1. The utility model provides a dual mass flywheel and sealed dish pad and sealing ring cooperation structure which characterized in that: the primary flywheel assembly comprises a front shell (1), a gear ring (2), a rear shell (3), a connecting disc (4), a gasket (5) and a limiting ring (6), the gear ring (2) is fixedly connected with the front shell (1), 2 annular grooves (7) are formed in the front shell (1) and the rear shell (3), the rear shell (3) is fixedly connected with the front shell (1), an arc-shaped spring (8) is arranged in each annular groove (7), the connecting disc (4), the front shell (1) and the gasket (5) are sequentially stacked from left to right and are riveted together through a rivet I (9), and the limiting ring (6) is installed on the outer side of the gasket (5);

secondary flywheel subassembly includes dowel steel (10), sealing ring (11), sealed dish pad (12) and spline dish (13), dowel steel (10), sealed dish pad (12), sealing ring (11) and spline dish (13) are folded mutually from a left side to the right side and are placed in proper order, just dowel steel (10), sealed dish pad (12) and spline dish (13) are in the same place through two (14) rivets, dowel steel (10) rotate with spacing ring (6) and are connected, and are located between procapsid (1) and back casing (3), sealing ring (11) are located back casing (3), be equipped with two recess (111) on sealing ring (11), be equipped with two protruding (121) on sealed dish pad (12), protruding (121) joint is in recess (111).

2. The dual mass flywheel and seal disc and seal ring arrangement of claim 1, wherein: two protruding blocks (101) are symmetrically arranged on the force transmission plate (10), and the protruding blocks (101) are located between the two arc-shaped springs (8).

3. The dual mass flywheel and sealing washer and sealing ring mating structure of claim 1, wherein: be equipped with buckle (51) and location breach (52) on gasket (5), be equipped with joint portion (61) and locating piece (62) on spacing ring (6), joint portion (61) joint is in buckle (51), locating piece (62) are located location breach (52).

4. The dual mass flywheel and seal disc and seal ring arrangement of claim 1, wherein: the connecting disc (4) is connected with an engine.

5. The dual mass flywheel and seal disc and seal ring arrangement of claim 1, wherein: the spline disc (13) is connected with the gearbox.

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