CN214304926U

CN214304926U - Central clutch assembly

Info

Publication number: CN214304926U
Application number: CN202023260385.5U
Authority: CN
Inventors: 刘凯
Original assignee: Zhejiang Maoquan Machinery Co ltd
Current assignee: Zhejiang Maoquan Machinery Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-09-28
Anticipated expiration: 2030-12-30

Abstract

The utility model relates to a maincenter clutch assembly, including maincenter, friction pair, clamp plate, diaphragm spring and clutch case. The friction counter shaft is arranged between the center and the pressing plate in an axial sliding mode and comprises a friction plate and an iron plate which are overlapped at intervals, the iron plate is sleeved on the center and in spline fit, the center is provided with a stand column, the stand column penetrates through the pressing plate, the diaphragm spring and the clutch cover and is in threaded connection with a screw, and the clutch cover is fixed on the stand column through the screw and compresses the diaphragm spring. An elastic separation structure is arranged between the side iron sheet closest to the pressing plate and/or between every two adjacent iron sheets and comprises a plurality of convex blocks on an inner hole of the iron sheet, rivets axially arranged on the convex blocks and separation springs sleeved on the rivets; the separation spring arranged between the iron sheet on the side closest to the pressing plate and the pressing plate is pressed between the convex block of the iron sheet and the opposite surface of the pressing plate, and the separation spring arranged between two adjacent iron sheets is pressed between the convex blocks of the two iron sheets; the lower end of the center is also provided with a plurality of lubricating oil holes. The structure can quickly separate the friction plates and is not easy to ablate and wear.

Description

Central clutch assembly

Technical Field

The utility model relates to a clutch technical field especially relates to a maincenter clutch assembly.

Background

The motorcycle clutch switches on and off power through combination and separation of the friction plate and the iron plate, and the friction plate and the iron plate are required to be quickly combined and separated during working, otherwise serious slip abrasion can occur between the friction plate and the iron plate, and the friction plate is damaged. However, in the prior art, because the friction plates in the motorcycle clutch are mainly lubricated by splashing, when the clutch is separated, less lubricating oil enters between the friction plates, so that the friction plates and the iron plates cannot be separated from each other quickly, the abrasion of the friction plates due to ablation is very common, the service life of the friction plates is short, and the maintenance cost is high.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the present invention is to overcome the above problems and to provide a center clutch assembly capable of rapidly separating friction plates and reducing ablation abrasion.

The technical scheme of the utility model is that:

a maincenter clutch assembly, include maincenter, friction pair, clamp plate, diaphragm spring and clutch case that lay in proper order along the axial, the friction pair sets up between maincenter and clamp plate to sliding, friction disc and iron sheet including a plurality of interval coincide, the iron sheet cover is established in the maincenter and spline fit with it, the protrusion has a plurality of stands in the maincenter, the stand passes clamp plate, diaphragm spring clutch case and spiro union has the screw, the clutch case passes through the fix with screw compresses tightly its characterized in that between clamp plate and clutch case with diaphragm spring on the stand:

an elastic separation structure is arranged between the iron sheet closest to the pressing plate and/or between every two adjacent iron sheets, and comprises a plurality of convex blocks convexly arranged on the inner hole wall of the iron sheet, rivets axially extending on the convex blocks and separation springs sleeved on the rivets; a plurality of lug avoiding grooves are correspondingly and concavely arranged on the peripheral wall of the central pivot, and the lugs are embedded in the lug avoiding grooves and can axially slide; the separating spring arranged between the iron sheet most close to the pressing plate and the pressing plate is pressed between the iron sheet lug and the opposite surface of the pressing plate, and the separating spring arranged between two adjacent iron sheets is pressed between the lugs of the two iron sheets; and a plurality of lubricating oil holes are also formed in the lower end face of the center.

By the structure, the utility model discloses can realize the friction fast separation of vice well friction disc of friction and iron sheet through the elasticity of separation spring, remove the frictional force between friction disc and the iron sheet fast to the lubricating oil hole of cooperation maincenter bottom does benefit to more lubricating oil and enters into the friction and carries out lubricated cooling in vice rapidly, further reduces the friction disc wearing and tearing, guarantees its life.

Further, in the center clutch assembly of the present invention, the separation spring is a coil spring.

Further, maincenter clutch assembly in the utility model, the slot position is dodged to lubricated oil hole and lug corresponding and communicate with it.

Further, in the center clutch assembly of the present invention, the number of the bumps is 3-6 along the inner hole wall of the iron plate, so as to ensure that the friction plates can be uniformly separated at the same time.

Further, maincenter clutch assembly in, be equipped with the internal spline in the clamp plate and form spline fit through internal spline and maincenter, make the clamp plate slide along the maincenter axial.

Further, maincenter clutch assembly in, the interval is equipped with a plurality of curved flange one in the clamp plate up end outer fringe, forms spacing bayonet socket between two liang of flange one, the diaphragm spring outer fringe corresponds the protrusion and has a plurality of spacing archs, spacing arch inlays the dress cooperation with spacing bayonet socket to it is spacing to realize that the circumference of diaphragm spring in the clamp plate is spacing.

Further, in the center clutch assembly of the present invention, the upper end of the upright post is radially extended by an inner side to form a second retaining edge, and the clutch cover is mounted outside an area surrounded by the second retaining edge. The two pairs of clutch covers are used for limiting and stopping through the stopping edges, so that the installation is more convenient and accurate.

The utility model has the advantages that:

1. the utility model discloses simple structure, reasonable in design through between the iron sheet that leans on pressure plate side most and the clamp plate, between two liang of adjacent iron sheets successive layer increase separation spring, with the help of its elastic action quickly separating friction disc and iron sheet to the lubricating oil hole of cooperation maincenter bottom makes lubricating oil can enter into the friction pair more easily and realize quick lubricated cooling, avoids friction disc ablation wearing and tearing effectively, prolongs its life, improves clutch reliability in utilization.

2. The utility model discloses adopt built-in separation spring's design on the iron sheet, compact structure improves the vice separation performance of friction under the external dimension's of not additionally increasing the clutch the condition.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a first explosion diagram of the present invention.

Fig. 3 is a second explosion diagram of the present invention.

Fig. 4 is a schematic structural view of the iron sheet of the present invention.

FIG. 5 is a schematic view of the friction pair of embodiment 2.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings:

example 1

Referring to fig. 1-3, the center clutch assembly of the present embodiment includes a center 1, a friction pair, a pressure plate 4, a diaphragm spring 5 and a clutch cover 6, which are sequentially arranged along an axial direction, wherein the friction pair is axially slidably disposed between the center 1 and the pressure plate 4, and includes two friction plates 2 and one iron plate 3, which are stacked at intervals. The iron sheet 3 is sleeved on the central pivot 1 and matched with the spline of the central pivot. The pressure plate 4 is internally provided with an internal spline and forms spline fit with the central hub 1 through the internal spline. The central hub 1 is provided with a plurality of upright posts 11 in a protruding mode, the upright posts 11 penetrate through the pressure plate 4, the diaphragm spring 5 and the clutch cover 6 and are connected with screws in a threaded mode, and the clutch cover 6 is fixed on the upright posts 11 through the screws and presses the diaphragm spring 5 between the pressure plate 4 and the clutch cover 6.

With reference to fig. 2, 3 and 4, an elastic separation structure is disposed between the iron sheet 3 and the pressing plate 4 in this embodiment, and the elastic separation structure includes a plurality of protrusions 7 protruding on an inner hole wall of the iron sheet 3, rivets 8 extending axially on the protrusions 7, and separation springs 9 sleeved on the rivets 8; the corresponding concave a plurality of lug dodge the groove 10 that are equipped with on maincenter 1 periphery wall, but lug 7 inlays to be established in lug dodge the groove 10 and axial slip. Specifically, the lugs 7 are uniformly distributed along the inner hole wall of the iron sheet 3 and the number of the lugs is 3. The separating spring 9 is pressed between the convex block 7 of the iron sheet 3 and the opposite surface of the pressing plate 4, and the separating spring 9 is a coil spring. Referring to fig. 3, a plurality of lubricating oil holes 15 are further formed in the lower end surface of the hub 1, and the lubricating oil holes 15 correspond to and are communicated with the bump avoiding grooves 10.

This structure increases separation spring 9 between iron sheet 3 and clamp plate 4, pushes away board 4 in the axial direction through the elasticity of separation spring 9, makes it no longer compress tightly friction pair, is convenient for separate rapidly between friction disc 2 and the iron sheet 3 to combine the lubricated oil hole 15 guide of bottom more lubricating oil to enter into in the friction disc 2 and carry out the lubrication cooling, be difficult for appearing the vice ablation of friction, veneer, phenomenon such as adhesion.

Referring to fig. 3, in this embodiment, a plurality of arc-shaped first blocking edges 12 are further arranged on the outer edge of the upper end face of the pressure plate 4 at intervals, a limiting bayonet is formed between every two first blocking edges 12, a plurality of limiting protrusions 13 are correspondingly protruded on the outer edge of the diaphragm spring 5, and the limiting protrusions 13 are in embedded fit with the limiting bayonet, so that circumferential limiting of the diaphragm spring 5 is achieved.

One side of the upper end of the upright post 11, which is radially inward, extends axially to form a second blocking edge 14, the clutch cover 6 is sleeved outside an area defined by the second blocking edges 14, and the clutch cover 6 is sleeved correspondingly to limit and then fixed by bolts during installation, so that the installation is facilitated.

Example 2

Referring to fig. 5, the present embodiment is substantially the same as embodiment 1, except that: the friction pair comprises a plurality of friction plates 2 and iron plates 3 which are overlapped at intervals, wherein the number of the iron plates 3 is more than one. The elastic separation structure of the structure is arranged between the iron sheet 3 closest to the pressing plate 4 and between every two adjacent iron sheets 3. Wherein, the separation spring 9 arranged between the iron sheet 3 and the pressing plate 4 at the side closest to the pressing plate 4 is pressed between the convex block 7 of the iron sheet 3 and the opposite surface of the pressing plate 4, and the separation spring 9 arranged between two adjacent iron sheets 3 is pressed between the convex blocks 7 of the two iron sheets 3. This structure all increases the separation spring between iron sheet 3 and clamp plate 4, two liang of adjacent iron sheets 3, and the each layer friction disc 2 of being convenient for and the homoenergetic of iron sheet 3 realize the quickly separating.

The specific embodiments described herein are merely illustrative of the principles of the present invention and its efficacy, and are not intended to limit the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Therefore, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical idea of the present invention shall be covered by the claims of the present invention.

Claims

1. A central clutch assembly comprises a central hub, a friction pair, a pressing plate, a diaphragm spring and a clutch cover which are sequentially arranged along the axial direction, wherein the friction pair is arranged between the central hub and the pressing plate in a sliding mode in the axial direction and comprises a plurality of friction plates and iron plates which are overlapped at intervals, the iron plates are sleeved on the central hub and are in spline fit with the central hub, a plurality of stand columns protrude from the central hub, the stand columns penetrate through the pressing plate and the diaphragm spring clutch cover and are in threaded connection with screws, and the clutch cover is fixed on the stand columns through the screws and tightly presses the diaphragm spring between the pressing plate and the clutch cover, and is characterized in that:

2. The hub clutch assembly of claim 1, wherein: the separation spring adopts a spiral spring.

3. The hub clutch assembly of claim 1, wherein: the lubricating oil hole corresponds to and is communicated with the lug avoiding groove.

4. The hub clutch assembly of claim 1, wherein: the lugs are uniformly distributed along the inner hole wall of the iron sheet and the number of the lugs is 3-6.

5. The hub clutch assembly of claim 1, wherein: the pressing plate is internally provided with an internal spline and forms spline fit with the central pivot through the internal spline.

6. The hub clutch assembly of claim 1, wherein: a plurality of arc-shaped first blocking edges are arranged on the outer edge of the upper end face of the pressing plate at intervals, a limiting bayonet is formed between every two first blocking edges, a plurality of limiting protrusions are correspondingly protruded on the outer edge of the diaphragm spring, and the limiting protrusions are matched with the limiting bayonet in an embedded mode.

7. The hub clutch assembly of claim 1, wherein: one side of the upper end of the upright post, which is radially close to the inside, extends axially to form a second blocking edge, and the clutch cover is sleeved outside an area surrounded by the second blocking edges.