CN201615148U - Clutch housing of manual clutch motorbike - Google Patents

Abstract

The utility model provides a clutch housing of a manual clutch motorbike. A rivet hole is formed on the end surface where the clutch housing is connected and assembled with a clutch driven gear; and the clutch housing is in riveted connection with the driven gear through a cover plate pressed on the outer surface of the driven gear integrally. The utility model is improved in that a central hole of the housing is designed as an unthreaded hole and sleeved on a main shaft of an engine, and can not be used for directly receiving the power from the engine; however, an inner splined hole is adjusted to the driven gear, and the driven gear with the inner splined hole is connected with the main shaft of the engine, so that the power is transferred to the housing. Therefore, the utility model can ensure that the housing has low probability of being damaged, and further prolong the service life of the clutch.

Description

A kind of clutch housing of manual clutch motorcycle

Technical field

The utility model belongs to the clutch of motorcycle technical field, is specifically related to a kind of cover structure of clutch of motorcycle.

Background technique

The basic element of character of existing 125 type manual clutch clutch of motorcycle comprises driven gear, outer cover, cushion collar damping, central sleeve, platen, cover plate, friction plate, steel disc, spring, lift slab, rivet and bolt etc.Wherein outer cover is to fix by rivet with driven gear, plays and gives (function of asking the simple declaration outer cover) with the transmission of power of engine spindle.The outer cover of existing clutch all is to connect with engine spindle by inner splined hole, because what the outer cover material adopted usually is aluminum alloy, the main shaft that inner splined hole and motor be set on outer cover links and is subjected to certain impulsive load, greatly reduce the intensity of outer cover, inner splined hole is easy to wear and cause clutch to lose efficacy, the working life of having reduced clutch.

Summary of the invention

The purpose of this utility model is the problem at the outer cover internal spline easy damaged of existing clutch of motorcycle, proposes a kind of clutch of motorcycle cover structure of new structure.

The technical solution of the utility model is as follows:

A kind of clutch housing of manual clutch motorcycle, it is described that covering on the end face that is linked and packed with the clutch driven gear is provided with rivet hole outward, and itself and driven gear are connected as one by rivet by the cover plate that is pressed in the driven gear outer surface.

The utility model improves: the center hole of outer cover is designed to unthreaded hole, be enclosed within on the main shaft of motor, directly do not accept power from motor, but inner splined hole is adjusted on the driven gear, link to each other with the main shaft of motor by the driven gear that inner splined hole is arranged, give outer cover transmission of power.Can guarantee that like this outer cover is not fragile, thereby improve the working life of clutch.

Description of drawings

Fig. 1 is the floor map of outer cover;

Fig. 2 is the A-A sectional view of Fig. 1;

Fig. 3 is the floor map of driven gear;

Fig. 4 is the B-B sectional view of Fig. 3;

Fig. 5 is the sectional drawing of outer cover combination;

Fig. 6 is two groups of damping spring distribution maps;

Fig. 7 is the floor map of central sleeve;

Fig. 8 is the C-C sectional drawing of Fig. 7;

Fig. 9 is the floor map of platen;

Figure 10 is the D-D sectional drawing of Fig. 9.

Figure 11 is the overall structure sectional drawing of clutch.

Second group of damping spring of 1---first group of damping spring 2---

3---driven gear 4---outer cover

5---outer cover unthreaded hole 6---belleville spring groove

7---driven gear splined hole 8---outer cover and driven gear riveted joint back driven gear end jump 9---outer cover and driven gear riveted joint back driven gear radial composite errors

10---central sleeve 11---central sleeve tooth top external diameter

12---platen 13---platen internal diameter

14---belleville spring 15---plain washer

16---cover plate 17---rivet

18---friction plate 19---steel disc

20---spring 21---lift slab

The big damping spring groove of 22---bolts 23---

24---little damping spring groove 25---outer cover rivet hole

Big damping spring hole, 26---little damping spring holes 27---

28---the driven gear rivet hole

Embodiment

Referring to Fig. 1 and Fig. 2, this clutch housing 4 is that center hole is a unthreaded hole 5 with the change of original structure, is not splined hole, can guarantee that like this outer cover 4 is not fragile, thereby improves the working life of clutch.The end face that is linked and packed with the clutch driven gear is provided with rivet hole 25, is connected with driven gear 3 by rivet.

Referring to Fig. 3 and Fig. 4, in order to cooperate the improvement of outer cover, the center hole of driven gear 3 then is an inner splined hole 7, inner splined hole 7 is not easy to wear on the driven gear 3 like this, long service life, and after driven gear and the outer cover riveted joint, its detection reference and design basis reach unified, so the assurances that are easy to get such as the end face run-out 8 of driven gear and outer cover combination back driven gear and radial composite error 9 improve product percent of pass, reduce the noise of clutch.

In addition, design has butterfly spring groove 6 on the mating face of outer cover 4 and driven gear 3, and butterfly spring 14 is installed in it.

For existing clutch, can only carry out above improvement to the outer cover and the form in the hole of the driven gear of correspondence, just can overcome the outer cover splined hole problem easy to wear that prior art exists.

In addition, outer cover 4 that also can be as shown is the same, can use together further combined with the improvement to other structures such as cushion collar of clutch, to reach better effect.Improvement to other structure is as follows:

Referring to Figure 11, whole clutch comprises driven gear 3, outer cover 4, central sleeve 10, first group of damping spring 1, second group of damping spring 2, platen 12, butterfly spring 14, plain washer 15, cover plate 16, friction plate 18, steel disc 19, spring 20, lift slab 21, rivet 17 and bolt 22 etc.

Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, be distributed with two groups of damping spring holes on the circumferential surface of driven gear 3, three every group, little damping spring hole 26 is less than big damping spring hole 27, and the cross arrangement of big or small damping spring span.And the corresponding position on the circumferential surface of outer cover 4 is distributed with two groups of damping spring grooves, and every group also is three, big damping spring groove 23 greater than with little damping spring groove 24, also be cross arrangement at interval.Two groups of damping springs of corresponding installation in these two groups of damping spring holes and groove, the steel wire diameter of first group of damping spring 1, free length, stiffness, compressive force value are all less than second group of damping spring 2, after the installation, the both ends of the surface of the both ends of the surface in the both ends of the surface of first group of damping spring 1 and the little damping spring hole 26 of outer cover 4 and the little damping spring groove 23 of driven gear 3 all contact; And the big damping spring hole 27 of driven gear 3 that second group of damping spring 2 be installed is greater than big damping spring groove 24 corresponding on the outer cover 4, after the installation, second group of damping spring 2 both ends of the surface only contact with big damping spring groove 24 both ends of the surface of outer cover 4, do not contact with the both ends of the surface in big damping spring hole 27 on the driven gear 3.The both ends of the surface that damping spring hole 27 on the driven gear 3 contacts with damping spring can be designed to the tapered in form that narrows towards driven gear 3 centers.And the rivet hole on the driven gear 3 is a slotted hole 28, and greater than rivet hole 25 corresponding on the outer cover 4, the rivet hole of rivet hole 25 for protruding on the outer cover 4 injects in the slotted hole 28 corresponding on the driven gear 3.Said structure makes that the problem that the cushion collar premature ageing lost efficacy is solved.

Combination is referring to Fig. 7 and Fig. 8 again, and the tooth top external diameter 11 of central sleeve 10 is φ 81, and referring to Fig. 9 and Figure 10, the internal diameter 13 of platen 12 is φ 82, has increased the contact friction area thus, increases positive pressure, thereby increases transmitting torque.

Again referring to Figure 11, the assembly relation of this clutch is: in the belleville spring groove 6 of the outer cover 4 of earlier plain washer 15 being packed into, belleville spring 14 is contained on the plain washer 15, then driven gear 3 is contained on the belleville spring 14, first group of damping spring 1 and second group of damping spring 2 are contained in respectively in the damping spring hole and damping spring groove of driven gear 3 and outer cover 4, cover plate 16 is contained on the driven gear 3, rivet 17 is contained in the rivet hole of cover plate 16 and outer cover 4, riveted joint firmly.Then central sleeve 10 is contained in the outer cover 4, friction plate 18 is contained on the central sleeve 10, steel plate 19 is contained on the friction plate 18, platen 12 is contained in the screw hole of central sleeve 10,5 springs 20 are contained on the spring seat of central sleeve 10 and platen 12 formation, lift slab 21 is contained on the post of platen 12, bolt 22 is contained in the screw hole of lift slab 21 and platen 12.

The working procedure of this clutch: motor is given driven gear 3 with transmission of power, pass to outer cover 4 again by first group of damping spring 1 or second group of damping spring 2, outer cover 4 is by contacting with friction plate 18, give steel disk 19 with transmission of power, under spring 20 elastic force effects, compress steel plate 19, friction plate 18, platen 12, central sleeve 10, thereby give central sleeve 10 with transmission of power, central sleeve 10 is connected with engine spindle, thereby the transmission of power of motor is arrived motor cycle rear wheel.

Claims (1)

1. the clutch housing of a manual clutch motorcycle, described outer cover (4) is provided with rivet hole with the end face that the clutch driven gear is linked and packed, and itself and driven gear (3) are connected as one by rivet by the cover plate that is pressed in the driven gear outer surface;

It is characterized in that: the center hole of described outer cover (4) is unthreaded hole (5), is enclosed within on the main shaft of motor.

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