CN212250888U

CN212250888U - One-way overrunning clutch driving gear structure

Info

Publication number: CN212250888U
Application number: CN202020243534.8U
Authority: CN
Inventors: 吴强
Original assignee: Chongqing Duomao Machinery Manufacturing Co ltd
Current assignee: Chongqing Duomao Machinery Manufacturing Co ltd
Priority date: 2020-03-03
Filing date: 2020-03-03
Publication date: 2020-12-29
Anticipated expiration: 2030-03-03

Abstract

The utility model relates to a one-way overrunning clutch driving gear structure, belonging to the technical field of clutches, comprising a driving gear arranged on a starting disc; the inner side of the starting disc is provided with an inner wheel; the driving gear is meshed with the input gear; the input gear is sleeved on the power input shaft; an intermediate piece is arranged between the starting disc and the inner ring: the surface of the starting disc is provided with an end cover; the starting disc is divided into an outer ring and an inner ring; an annular partition plate is arranged between the outer ring and the inner ring; the intermediate piece is positioned on the inner side of the annular partition plate; the inner side of the end cover is provided with a reinforcing part; the reinforcing part is positioned on the outer side of the partition plate; the end cover is connected with the starting disc through a fastener. The utility model discloses a set up freewheel clutch's start-up dish into the components of a whole that can function independently dismantled and assembled, when the drive gear on the start-up dish is ageing, when wearing and tearing, drive gear to on the driving-disc can be easily changed.

Description

One-way overrunning clutch driving gear structure

Technical Field

The utility model relates to a gear structure, concretely relates to one-way freewheel clutch drive gear structure, mainly used clutch technical field.

Background

The existing retainer-free overrunning clutch comprises a starting disc, an inner cam positioned on the starting disc, a left baffle and a right baffle which are fixedly arranged on the left side and the right side of the inner cam, wherein the circumferential surface of the inner cam is provided with a plurality of wedge-shaped surfaces, a separation baffle is arranged between two adjacent wedge-shaped surfaces, a roller is arranged in a cavity formed by the two adjacent separation baffles, the left baffle, the right baffle and the wedge-shaped surfaces, and a folding spring for applying elasticity to the roller is arranged between the roller and the front end surface of the separation baffle. However, in the overrunning clutch in the prior art, because the starting disc is integrally formed, if the inside of the clutch slips, the gear teeth are abraded and the like, the whole clutch or the whole starting disc can only be replaced, and the mode results in higher replacement cost and larger self weight of the clutch. Therefore, further improvements are desired.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at overcoming the defect among the prior art, providing a one-way freewheel clutch drive gear structure, simple structure is reasonable, changes convenient and fast, reduces the replacement cost.

The one-way overrunning clutch driving gear structure designed for achieving the purpose comprises a driving gear arranged on a starting disc; the inner side of the starting disc is provided with an inner wheel; the driving gear is meshed with the input gear; the input gear is sleeved on the power input shaft; an intermediate piece is arranged between the starting disc and the inner ring, and an end cover is arranged on the surface of the starting disc; the starting disc is divided into an outer ring and an inner ring; an annular partition plate is arranged between the outer ring and the inner ring; the intermediate piece is positioned on the inner side of the annular partition plate; the inner side of the end cover is provided with a reinforcing part; the reinforcing part is positioned on the outer side of the partition plate; the end cover is connected with the starting disc through a fastener.

Preferably, the partition plate divides the space between the outer ring and the inner ring into an outer assembly groove and an inner assembly groove; the driving gear is positioned on the surface of the outer ring; the end cover comprises a convex part; the reinforcing part is distributed at the edge of the end cover.

Preferably, the shape and size of the convex part are the same as those of the inner ring; the inner side of the end cover is provided with an inner convex edge with the same direction as the convex part.

Preferably, the reinforcing part is positioned on the inner convex edge; the outer assembly groove is provided with a plurality of bayonets matched with the reinforcing parts.

Preferably, the reinforcing part comprises a bump arranged on the inner convex edge; the bayonet corresponds to the position of each gear tooth.

Preferably, the outer ring and the inner convex edge of the end cover are provided with screw holes matched with each other.

The utility model discloses a set up freewheel clutch's start-up dish into the components of a whole that can function independently dismantled and assembled when, when the drive gear on the start-up dish is ageing, wearing and tearing, can change drive gear to on the driving-disc easily, simultaneously, because the setting of the inside and outside loop of start-up dish to play the reinforced effect of support through the end cover, keep the fastness of structure.

Drawings

The invention will be further described with reference to the following figures and examples:

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

Fig. 2 is a schematic cross-sectional view of the end cap and the activation plate.

In the figure, 1 is a starting disc, 1.1 is a driving gear, 2 is an inner wheel, 3 is an end cover, 3.1 is a convex part, 3.2 is an inner convex edge, 3.3 is a convex block, 4 is a ring-mounted partition plate, and 5 is a screw hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Terms used herein, including technical and scientific terms, have the same meaning as terms commonly understood by one of ordinary skill in the art, unless otherwise defined. It will be understood that terms defined in commonly used dictionaries have meanings that are consistent with their meanings in the prior art.

Referring to fig. 1-2, a one-way overrunning clutch driving gear structure comprises a driving gear 1.1 arranged on a starting disc 1; the inner side of the starting disc is provided with an inner wheel 2; the driving gear 1.1 is meshed with the input gear; the input gear is sleeved on the power input shaft; an intermediate piece is arranged between the starting disc and the inner ring, and an end cover 3 is arranged on the surface of the starting disc; the starting disc is divided into an outer ring and an inner ring; an annular partition plate 4 is arranged between the outer ring and the inner ring; the intermediate piece is positioned on the inner side of the annular partition plate; a reinforcing part is arranged on the inner side of the end cover 3; the reinforcing part is positioned on the outer side of the partition plate; the end cover is connected with the starting disc through a fastener.

Furthermore, the partition plate 4 divides the space between the outer ring and the inner ring into an outer assembly groove and an inner assembly groove; the driving gear 1.1 is positioned on the surface of the outer ring; the end cover 3 comprises a convex part 3.1; the reinforcing part is distributed at the edge of the end cover.

Specifically, in this embodiment, the partition plate 4 is disposed along the circumferential direction between the outer ring and the inner ring, and divides the space between the outer ring and the inner ring into front and rear sides, the inner assembly groove is used for accommodating the intermediate member, and the outer assembly groove is used for fixedly connecting the end cover.

Furthermore, the shape and the size of the convex part 3.1 are the same as those of the inner ring; the inner side of the end cover 3 is provided with an inner convex edge 3.2 which has the same direction with the convex part.

Specifically, in this embodiment, the boss is installed inside the inner ring of the starting disk as a part of the end cap, and serves to fix the circumferential position of the end cap. And the inner ledge 3.2 is fitted in the outer fitting groove. So as to realize the fixed connection of the end cover and the starting disc.

Furthermore, the reinforcing part is positioned on the inner convex edge 3.2; the outer assembly groove is provided with a plurality of bayonets matched with the reinforcing parts.

Furthermore, the reinforcing part comprises a lug 3.3 arranged on the inner convex edge; the bayonet corresponds to the position of each gear tooth.

Specifically, in this embodiment, in the end cover installation, go into the bayonet socket that the outer loop was reserved with protruding 3.3 card on the protruding edge 3.2 in, preferably, the bayonet socket is seted up in the inboard of every teeth of a cogwheel to communicate with teeth of a cogwheel bottom, and this kind of mode, after protruding 3.3 inserted in the bayonet socket, also can insert the inside of the teeth of a cogwheel simultaneously, strengthen the fastness of the teeth of a cogwheel.

Furthermore, screw holes matched with each other are arranged on the outer ring and the inner convex edge of the end cover.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A one-way overrunning clutch driving gear structure comprises a driving gear (1.1) arranged on a starting disc (1); the inner side of the starting disc is provided with an inner wheel (2); the driving gear (1.1) is meshed with the input gear; the input gear is sleeved on the power input shaft; starting to be provided with the middleware between dish and the inner ring, its characterized in that: the surface of the starting disc is provided with an end cover (3); the starting disc is divided into an outer ring and an inner ring; an annular partition plate (4) is arranged between the outer ring and the inner ring; the intermediate piece is positioned on the inner side of the annular partition plate; a reinforcing part is arranged on the inner side of the end cover (3); the reinforcing part is positioned on the outer side of the partition plate; the end cover is connected with the starting disc through a fastener.

2. The one-way overrunning clutch drive gear structure of claim 1, wherein: the division plate (4) divides the space between the outer ring and the inner ring into an outer assembly groove and an inner assembly groove; the driving gear (1.1) is positioned on the surface of the outer ring; the end cover (3) comprises a convex part (3.1); the reinforcing part is distributed at the edge of the end cover.

3. The one-way overrunning clutch drive gear structure of claim 2, wherein: the shape and the size of the bulge (3.1) are the same as those of the inner ring; the inner side of the end cover (3) is provided with an inner convex edge (3.2) which has the same direction with the convex part.

4. A one-way overrunning clutch drive gear structure according to claim 3, wherein: the reinforcing part is positioned on the inner convex edge (3.2); the outer assembly groove is provided with a plurality of bayonets matched with the reinforcing parts.

5. The one-way overrunning clutch drive gear structure of claim 4, wherein: the reinforcing part comprises a convex block (3.3) arranged on the inner convex edge; the bayonet corresponds to the position of each gear tooth.

6. The one-way overrunning clutch drive gear structure of claim 5, wherein: screw holes (5) which are matched with each other are arranged on the outer ring and the inner convex edge of the end cover.