Dual-mass flywheel for hybrid power

Abstract

The utility model discloses a hybrid dual mass flywheel, relates to frock clamp field, including secondary flywheel subassembly and primary flywheel subassembly connected with the secondary flywheel subassembly, the primary flywheel subassembly is connected with engine, the primary flywheel subassembly includes the front casing, the front casing is fixedly connected with the gasket, and the gasket is connected with the secondary flywheel subassembly. The edge of the gasket is connected to the inner ring of the limiting ring in a pressed mode, an arc-shaped spring is arranged on the edge of the front shell, the two ends of the arc-shaped spring abut against the two sides of a force transmission plate respectively, the inner ring of the force transmission plate abuts against the limiting ring and is limited by the limiting ring, and the force transmission plate is fixedly connected with the spline disc. According to the utility model, the spline plate can be matched with damping systems of most vehicle types, the development cost of products is reduced, and the development and delivery efficiency of the products is improved.

Description

Technical Field

[0001] The utility model relates to the field of tooling fixtures, in particular to a dual-mass flywheel for hybrid use. Background Art

[0002] A dual-mass flywheel is a flywheel divided into two parts: one part is retained on one side of the original engine, playing the role of the original flywheel, used to start and transmit the engine's rotational torque; the other part is set on the transmission side of the transmission system to increase the transmission's rotational inertia. There is an annular oil chamber in the dual-mass flywheel, and a torsional vibration damper is installed in the oil chamber. The torsional vibration damper connects the primary flywheel assembly and the secondary flywheel assembly as a whole. The dual-mass flywheel can effectively attenuate the torsional vibration of the power transmission system, reduce a certain order of natural frequency of the automobile transmission system, extend the service life of various components in the automobile transmission system, and improve the comfort of the car.

[0003] When using a dual-mass flywheel, since its structure has been determined in the design stage, it cannot be well matched with the shock absorption systems of different models. It is necessary to design new structures separately for different shock absorption systems of different models, which results in high cost and low product development efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a dual-mass flywheel for hybrid use to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dual-mass flywheel for hybrid, comprising a secondary flywheel assembly and a primary flywheel assembly connected to the secondary flywheel assembly, the primary flywheel assembly being connected to an engine, the primary flywheel assembly comprising a front housing, the front housing being fixedly connected to a gasket, the edge of the gasket being crimped onto an inner ring of a limiting ring, an arc spring being provided at the edge of the front housing, the two ends of the arc spring being respectively pressed against two sides of a force transmission plate, the inner ring of the force transmission plate being in contact with the limiting ring and being limited by the limiting ring, the force transmission plate being fixedly connected to a spline key, and the spline key being connected to a crankshaft of a gearbox via a spline.

[0006] Preferably, the primary flywheel assembly also includes small rivets, spring guides, a rear housing, and a sealing ring. The front housing and the gasket are fixedly connected by small rivets, the spring guides are arranged between the arc spring and the inner wall of the front housing, the rear housing is fixedly mounted on the front housing, and the sealing ring is located below the rear housing.

[0007] Preferably, the secondary flywheel assembly further comprises a sealing disc gasket and a large rivet, the force transmission plate is fixedly connected to the spline keypad via the large rivet, and the sealing disc gasket is located between the force transmission plate and the spline keypad.

[0008] Preferably, the rear housing presses the sealing ring onto the sealing disc gasket and achieves sealing through elastic force.

[0009] Preferably, a stop platform is provided on the limiting ring.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] In the process of matching different models, it is only necessary to change the local protrusion height and hole group distribution of the front shell; the steel plate thickness, hole group distribution and bowl-shaped height of the gasket, and then change the spline interface and height of the spline keypad to achieve matching with the vibration reduction system of most models, reduce product development costs, and improve product development and delivery efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 It is a top view of the utility model;

[0014] Figure 3 for Figure 2 Sectional structure diagram at inner AA;

[0015] Figure 4 for Figure 3 A magnified view of the structure at inner B;

[0016] Figure 5 is a schematic diagram of the structure of the primary flywheel assembly;

[0017] Figure 6 Schematic diagram of the secondary flywheel assembly structure.

[0018] In the figure: 1-front housing, 3-gasket, 4-limiting ring, 5-arc spring, 6-spring guide, 7-rear housing, 8-sealing ring, 9-sealing disc gasket, 10-force transmission plate, 11-large rivet, 12-flower keyboard. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figures 1 to 6The utility model provides a technical solution: a hybrid dual-mass flywheel, comprising a secondary flywheel assembly and a primary flywheel assembly connected to the secondary flywheel assembly, the primary flywheel assembly being connected to an engine, the primary flywheel assembly comprising a front housing 1, the front housing 1 being fixedly connected to a gasket 3, the edge of the gasket 3 being crimped onto the inner ring of a limiting ring 4, an arc spring 5 being arranged at the edge of the front housing 1, the two ends of the arc spring 5 being respectively pressed onto the two sides of a force transmission plate 10, the inner ring of the force transmission plate 10 being in contact with the limiting ring 4 and being limited by the limiting ring 4, the force transmission plate 10 being fixedly connected to a spline 12, the spline 12 being connected to a crankshaft of a gearbox via a spline, a local high protrusion structure being stamped on the front housing 1 for easy matching with the plane of the engine crankshaft.

[0021] In this embodiment, the primary flywheel assembly also includes small rivets, spring guides 6, a rear housing 7, and a sealing ring 8. The front housing 1 and the gasket 3 are fixedly connected by small rivets. The spring guide 6 is arranged between the arc spring 5 and the inner wall of the front housing 1. The rear housing 7 is fixedly installed on the front housing 1. The sealing ring 8 is located below the rear housing 7. These components together constitute an initial flywheel assembly, which is connected to the engine crankshaft. The gasket 3 is a bowl-shaped external flower-shaped structure. By changing the thickness of the gasket 3, the fixing requirements of different bolt lengths can be met. By changing the position of the hole group on the gasket 3 and the profile height, the interface matching with different models of engines can be met.

[0022] In this embodiment, the secondary flywheel assembly also includes a sealing disc gasket 9 and a large rivet 11. The force transfer plate 10 is fixedly connected to the spline 12 through the large rivet 11. The sealing disc gasket 9 is located between the force transfer plate 10 and the spline 12. These components together constitute a secondary flywheel structure, which is connected to the gearbox. Among them, the arc springs 5 ​​arranged on both sides of the force transfer plate 10 can activate the buffering effect when the engine is started to prevent the force transfer plate 10 from being subjected to excessive instantaneous force.

[0023] In this embodiment, the rear housing 7 presses the sealing ring 8 onto the sealing disc gasket 9 and achieves sealing through elastic force, thereby forming a sealed oil chamber together.

[0024] In this embodiment, a stop platform 41 is provided on the limit ring 4. By replacing the limit ring 4 with the stop platform 41 at different positions, the position of the transmission plate 10 can be fine-tuned to facilitate the connection of the spline 12 with the gearbox.

[0025] Based on the above, in the process of matching different car models, the utility model only needs to change the local protrusion height and hole group distribution of the front shell; the steel plate thickness, hole group distribution and bowl-shaped height of the gasket, and then change the spline interface and height of the spline keypad to achieve matching with the vibration reduction system of most car models, reduce product development costs, and improve product development and delivery efficiency.

[0026] It is known from common technical knowledge that the present invention can be implemented by other embodiments that do not deviate from its spirit or essential features. Therefore, the embodiments disclosed above are only illustrative in all respects and are not exclusive. All changes within the scope of the present invention or within the scope equivalent to the present invention are included in the present invention.

Claims

1. A dual-mass flywheel for hybrid use, characterized in that: The invention comprises a secondary flywheel assembly and a primary flywheel assembly connected to the secondary flywheel assembly, wherein the primary flywheel assembly is connected to an engine, and the primary flywheel assembly comprises a front housing (1), wherein the front housing (1) is fixedly connected to a gasket (3), wherein the edge of the gasket (3) is pressed onto the inner ring of a limiting ring (4), an arc spring (5) is provided at the edge of the front housing (1), and the two ends of the arc spring (5) are respectively pressed onto the two sides of a force transmission plate (10), the inner ring of the force transmission plate (10) is in contact with the limiting ring (4) and is limited by the limiting ring (4), the force transmission plate (10) is fixedly connected to a spline (12), and the spline (12) is connected to a crankshaft of a gearbox via a spline.

2. A hybrid dual-mass flywheel according to claim 1, characterized in that: The primary flywheel assembly further comprises a small rivet, a spring guide rail (6), a rear housing (7), and a sealing ring (8); the front housing (1) and the gasket (3) are fixedly connected via the small rivet; the spring guide rail (6) is arranged between the arc spring (5) and the inner side wall of the front housing (1); the rear housing (7) is fixedly mounted on the front housing (1); and the sealing ring (8) is located below the rear housing (7).

3. A hybrid dual-mass flywheel according to claim 2, characterized in that: The secondary flywheel assembly further comprises a sealing disc gasket (9) and a large rivet (11); the force transmission plate (10) is fixedly connected to the spline key (12) via the large rivet (11); and the sealing disc gasket (9) is located between the force transmission plate (10) and the spline key (12).

4. A hybrid dual-mass flywheel according to claim 3, characterized in that: The rear housing (7) presses the sealing ring (8) onto the sealing disc gasket (9) and achieves sealing through elastic force.

5. A hybrid dual-mass flywheel according to claim 1, characterized in that: A stop platform (41) is provided on the limiting ring (4).

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