CN209743480U - Flywheel disc with novel structure - Google Patents

Abstract

A flywheel disc with a novel structure belongs to the technical field of automobile accessories. The front surface of the flywheel disc body is provided with a circular groove, the inner bottom surface of the circular groove is provided with an annular groove along the circumferential direction of the inner bottom surface, the middle part of the inner bottom surface of the circular groove is provided with a bearing support ring groove, the middle part of the back surface of the flywheel disc body is provided with a sinking cavity, and the flywheel disc body, the circular groove, the bearing support ring groove and the sinking cavity are all concentrically arranged; the front of flywheel dish body runs through its thickness direction and is equipped with six screw holes, six through-holes and four location pinhole, and six screw holes set up along the circumference that the bearing supported the annular, six through-holes set up along the circumference of flywheel dish body, and wherein three location pinhole sets up along the circumference of flywheel dish body, and another one location pinhole sets up in the outside that the bearing supported the annular. The utility model discloses can assemble the bearing in order to support the derailleur transmission shaft, satisfy the performance of engine, can subtract heavy with reduce cost, can also match most derailleur simultaneously.

Description

Flywheel disc with novel structure

Technical Field

The utility model relates to a novel flywheel dish of structure belongs to auto-parts technical field.

Background

In order to ensure the running stability of a crank system, the rotational inertia of a flywheel disc of the existing gasoline engine must meet certain requirements. In order to achieve reasonable rotational inertia, most flywheel discs are large in structural size and mass, and are not beneficial to the compact design of an engine. At the same time, the flywheel disk with a large mass also leads to an increase in cost.

Present gasoline engine flywheel dish is mostly cast iron cast disc structure, the assembly starts the ring gear and is used for the starter motor, and the function of testing the speed has been integrated to partial flywheel dish, the flywheel rear end is for cooperating with the clutch pressure disk, design into different interface forms, general concave flywheel structure, whole and pressure disk shell complex terminal surface are along all distributorses, such structure size and weight are great, and simultaneously, also do not benefit to the heat dissipation of friction disc and flywheel department, can cause trouble such as friction disc ablation, there is some derailleur needs fixing bearing in order to support the transmission shaft on the flywheel dish simultaneously at present, this demand is hardly satisfied to traditional flywheel dish.

Disclosure of Invention

For solving the problem that exists among the background art, the utility model provides a flywheel dish of novel structure.

the purpose is achieved, the utility model adopts the following technical proposal: a flywheel disc with a novel structure comprises a flywheel disc body, wherein a circular groove is formed in the front of the flywheel disc body, an annular groove is formed in the inner bottom surface of the circular groove along the circumferential direction of the circular groove, a bearing supporting ring groove is formed in the middle of the inner bottom surface of the circular groove, a sinking cavity is formed in the middle of the back surface of the flywheel disc body, and the flywheel disc body, the circular groove, the bearing supporting ring groove and the sinking cavity are all arranged concentrically; the front of flywheel dish body runs through its thickness direction and is equipped with six screw holes, six through-holes and four location pinhole, six screw holes support the circumference setting of annular along the bearing, six through-holes set up along the circumference of flywheel dish body, and wherein three location pinhole sets up in the outside that the annular was supported at the bearing along the circumference setting of flywheel dish body, another location pinhole.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses can assemble the bearing in order to support the derailleur transmission shaft, satisfy the performance of engine, can subtract heavy with reduce cost, can also match most derailleur simultaneously.

Drawings

Fig. 1 is a rear view of a flywheel disc of the novel structure of the present invention;

Fig. 2 is a cross-sectional view of the flywheel disk shown in fig. 1.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

The first embodiment is as follows: as shown in fig. 1-2, the utility model discloses a flywheel disc with a novel structure, which comprises a flywheel disc body 1, wherein a circular groove A is arranged on the front side of the flywheel disc body 1, an annular groove B is arranged on the inner bottom surface of the circular groove A along the circumferential direction of the circular groove A, and a bearing supporting ring groove D is arranged in the middle of the inner bottom surface of the circular groove A, so that a bearing can be pressed in to match with a transmission shaft, and the supporting requirement of the transmission shaft is met; the middle part of the back surface 2 of the flywheel disc body 1 is provided with a sinking cavity C, and the flywheel disc body 1, the circular groove A, the bearing support ring groove D and the sinking cavity C are all concentrically arranged; flywheel dish body 1's front is run through its thickness direction and is equipped with six screw holes E, six through-hole F and four locating pin holes G, six screw holes E set up along bearing support annular D's circumference, six through-hole F set up along flywheel dish body 1's circumference, and is wherein three locating pin hole G sets up along flywheel dish body 1's circumference, and another one locating pin hole G sets up in bearing support annular D's the outside.

The second embodiment is as follows: as shown in fig. 1, the present embodiment is further described with respect to the first embodiment, and the six threaded holes E, the six through holes F, and the three positioning pin holes G arranged along the circumferential direction of the flywheel disk body 1 are all arranged at equal angles.

The back 2 of flywheel dish body 1 is the clutch faying face, and with the contact of clutch pressure disk, with friction disc faying face parallel and level, improves the manufacturability, makes the utility model discloses a size is controlled more easily, can subtract heavy to the flywheel simultaneously, has avoided the engine shake of engine because of inertia and the too big engine shake that causes of quality, is favorable to the complete machine compactness.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other forms of embodiment without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (2)

1. The utility model provides a flywheel dish of novel structure which characterized in that: the flywheel disc comprises a flywheel disc body (1), wherein a circular groove (A) is formed in the front of the flywheel disc body (1), an annular groove (B) is formed in the inner bottom surface of the circular groove (A) along the circumferential direction of the inner bottom surface of the circular groove (A), a bearing supporting ring groove (D) is formed in the middle of the inner bottom surface of the circular groove (A), a sinking cavity (C) is formed in the middle of the back surface (2) of the flywheel disc body (1), and the flywheel disc body (1), the circular groove (A), the bearing supporting ring groove (D) and the sinking cavity (C) are all concentrically arranged; the front of flywheel dish body (1) runs through its thickness direction and is equipped with six screw holes (E), six through-holes (F) and four locating pin holes (G), the circumference setting of bearing support annular (D) is followed in six screw holes (E), the circumference setting of flywheel dish body (1) is followed in six through-holes (F), and is wherein three locating pin hole (G) sets up in the outside of bearing support annular (D) along the circumference setting of flywheel dish body (1), another one locating pin hole (G).

2. The flywheel disc of a new structure according to claim 1, characterized in that: six screw holes (E), six through-holes (F) and set up three location pinhole (G) along the circumference of flywheel dish body (1) and be the angle setting such as.