CN220081989U

CN220081989U - One-way clutch

Info

Publication number: CN220081989U
Application number: CN202321603049.7U
Authority: CN
Inventors: 张建春
Original assignee: Ningbo Yinzhou Hengtai Electromechanical Co ltd
Current assignee: Ningbo Yinzhou Hengtai Electromechanical Co ltd
Priority date: 2023-06-25
Filing date: 2023-06-25
Publication date: 2023-11-24
Anticipated expiration: 2033-06-25

Abstract

The utility model provides a one-way clutch, which comprises an outer ring and an inner ring, wherein an inner hole is formed in the outer ring, the inner ring is arranged in the inner hole, a one-way rotating mechanism is arranged between the outer ring and the inner ring and comprises a rolling piece and a spring, a plurality of inclined grooves with openings facing the inner ring are formed in the peripheral wall of the inner hole, the rolling piece and the spring are movably arranged in the inclined grooves, the spring is always used for enabling the rolling piece to move from the large end of the inclined groove to the small end of the inclined groove, the groove depth of the large end of the inclined groove is larger than the diameter of the rolling piece, the groove depth of the small end of the inclined groove is smaller than the diameter of the rolling piece, and an oil storage groove in a reticulate shape is formed in the peripheral wall of the inner ring and is used for storing lubricating grease. According to the one-way clutch, when the inner ring and the outer ring relatively rotate, friction loss between the inner ring and the outer ring is reduced, and smoothness of one-way rotation is improved.

Description

One-way clutch

Technical Field

The utility model relates to the technical field of clutches, in particular to a one-way clutch.

Background

As is well known, a one-way clutch is typically installed between the power source and the driven element to allow the power source to transmit torque to the driven element in only one direction, and if the power source is rotated in the opposite direction, the driven element will be disengaged from the power source by the one-way clutch, i.e., the power source will not transmit torque to the driven element. Chinese patent publication No. CN216642877U discloses a novel one-way clutch bearing, and those skilled in the art can know that the lubricating grease between inner circle and the outer lane is mainly stored in spacing recess, and when inner circle and outer lane relative rotation, the lubricating grease in the spacing recess can't lubricate the peripheral wall of inner circle fast, and this makes the relative rotation between inner circle and the outer lane unsmooth, and friction loss is great.

Disclosure of Invention

The utility model mainly aims to provide a one-way clutch, which reduces friction loss between an inner ring and an outer ring and improves smoothness of one-way rotation when the inner ring and the outer ring rotate relatively.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a one-way clutch, includes outer lane and inner circle, be equipped with the hole on the outer lane, the inner circle is installed the hole, be equipped with unidirectional rotation mechanism between outer lane and the inner circle, unidirectional rotation mechanism includes rolling element and spring, be equipped with the chute of a plurality of openings towards the inner circle on the hole perisporium, rolling element and spring movable mounting are in the chute, the spring is used for making all the time rolling element removes towards the tip of chute from the big end of chute, the groove depth of chute big end is greater than the diameter of rolling element, the groove depth of chute tip is less than the diameter of rolling element, be equipped with the oil storage tank that is the reticulate pattern on the perisporium of inner circle, the oil storage tank is used for storing lubricating grease.

The beneficial effects of the utility model are as follows: by arranging the reticulate oil storage tank, the lubricating grease in the oil storage tank can rapidly lubricate the gap between the inner ring and the outer ring, so that the sliding friction between the inner ring and the outer ring during rotation can be reduced, the friction loss is reduced, and the smoothness of unidirectional rotation is improved; meanwhile, when the inner ring and the outer ring are relatively locked, the reticulated oil storage groove can increase friction resistance with the rolling piece, and stability of locking of the inner ring and the outer ring is improved.

Preferably, the oil reservoir is circumferentially arranged on the outer peripheral wall of the inner ring. Through adopting above-mentioned structure, make lubricating grease contact hole internal wall increase, improve lubricated effect, when the rotation that ends simultaneously, the arbitrary position of oil storage tank can conflict rolling element, does benefit to mutually interlocking and ends.

Preferably, one end of the spring is connected with the large end of the chute, and the other end of the spring abuts against the rolling piece. By adopting the structure, the rolling element can reliably move towards the small end of the chute.

Preferably, a positioning groove is formed in the side wall of the large end of the chute, and one end, away from the rolling piece, of the spring is clamped in the positioning groove. By adopting the structure, the setting stability of the spring is improved.

Preferably, the rolling elements are ball rollers or cylindrical rollers. By adopting the structure, the rolling stability of the rolling element is improved.

Preferably, the outer ring is provided with an anti-falling part for preventing the inner ring from falling out of the inner hole, the anti-falling part comprises two limiting cover plates, the two limiting cover plates are fixedly connected to the two axial ends of the outer ring, and the inner ring is positioned between the two limiting cover plates. Through adopting above-mentioned structure, avoid the inner circle to deviate from the hole, improve the stability in use of clutch.

Drawings

FIG. 1 is a schematic illustration of a one-way clutch of the present utility model;

FIG. 2 is a schematic diagram of a one-way clutch according to the present utility model;

FIG. 3 is a schematic structural view of an inner race;

reference numerals illustrate:

1. an outer ring; 11. an inner bore; 12. a chute; 121. a positioning groove; 2. an inner ring; 21. an oil storage tank; 3. a unidirectional rotation mechanism; 31. a rolling member; 32. a spring; 4. and a limit cover plate.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "left", "right", "front", "rear", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1 to 3, the present utility model provides a one-way clutch, which comprises an outer ring 1 and an inner ring 2, wherein an inner hole 11 is provided on the outer ring 1, the inner ring 2 is mounted on the inner hole 11, a one-way rotation mechanism 3 is provided between the outer ring 1 and the inner ring 2, the one-way rotation mechanism 3 is used for enabling the outer ring 1 to rotate around the inner ring 2 in a forward direction, when the outer ring 1 is reversed, the outer ring 1 and the inner ring 2 are mutually locked, the one-way rotation mechanism 3 comprises a rolling member 31 and a spring 32, a plurality of inclined grooves 12 with openings facing the inner ring 2 are provided on the peripheral wall of the inner hole 11, the rolling member 31 and the spring 32 are movably mounted in the inclined grooves 12, the spring 32 is always used for enabling the rolling member 31 to move from the large end of the inclined grooves 12 towards the small end of the inclined grooves 12, the groove depth of the large end of the inclined grooves 12 is larger than the diameter of the rolling member 31, the groove depth of the small end of the inclined grooves 12 is smaller than the diameter of the rolling member 31, an oil storage groove 21 in a rolling shape is provided on the peripheral wall of the inner ring 2, the oil storage groove 21 is used for rolling grease with the width and the groove 21 is smaller than the diameter of the groove 31. The rolling elements 31 are ball rollers or cylindrical rollers.

In this embodiment, the oil storage groove 21 is disposed around the outer peripheral wall of the inner ring 2, so that the contact of lubricating grease with the inner wall surface of the inner hole 11 is increased, the lubrication effect is improved, and at the same time, any position of the oil storage groove 21 can abut against the rolling member 31 when the rotation is stopped, which is beneficial to the interlocking.

In this embodiment, one end of the spring 32 is connected to the large end of the chute 12, and the other end of the spring 32 abuts against the rolling member 31. Specifically, a positioning groove 121 is formed in the side wall of the large end of the chute 12, and one end of the spring 32, which is far away from the rolling member 31, is clamped in the positioning groove 121, so that the setting stability of the spring 32 is improved.

In this embodiment, be equipped with the anticreep portion that prevents that inner circle 2 from deviating from in the hole 11 on the outer lane 1, anticreep portion includes two spacing apron 4, two spacing apron 4 fixed connection is in the axial both ends of outer lane 1, inner circle 2 is located two between the spacing apron 4, avoid from this inner circle 2 to deviate from in the hole 11, improve the stability in use of clutch.

Although the present disclosure is described above, the scope of protection of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the utility model.

Claims

1. The utility model provides a one-way clutch, includes outer lane (1) and inner circle (2), be equipped with hole (11) on outer lane (1), inner circle (2) are installed hole (11), be equipped with one-way rotary mechanism (3) between outer lane (1) and inner circle (2), a serial communication port, one-way rotary mechanism (3) include rolling element (31) and spring (32), be equipped with chute (12) of a plurality of openings towards inner circle (2) on inner lane (11) perisporium, rolling element (31) and spring (32) movable mounting are in chute (12), spring (32) are used for making all the time rolling element (31) are moved towards the tip of chute (12) from the main aspects of chute (12), the groove depth of chute (12) main aspects is greater than the diameter of rolling element (31), the groove depth of chute (12) main aspects is less than the diameter of rolling element (31), be equipped with oil storage tank (21) that are form on the periphery wall of inner circle (2), oil storage tank (21) are used for grease.

2. A one-way clutch according to claim 1, characterized in that the oil reservoir (21) is circumferentially arranged on the outer circumferential wall of the inner ring (2).

3. A one-way clutch according to claim 1, characterized in that one end of the spring (32) is connected to the large end of the chute (12), and the other end of the spring (32) abuts against the rolling element (31).

4. A one-way clutch according to claim 3, wherein a positioning groove (121) is formed in a side wall of the large end of the chute (12), and one end of the spring (32) away from the rolling element (31) is clamped in the positioning groove (121).

5. A one-way clutch according to claim 1, characterized in that the rolling elements (31) are ball rollers or cylindrical rollers.

6. A one-way clutch according to claim 1, wherein the outer ring (1) is provided with an anti-drop part for preventing the inner ring (2) from dropping out of the inner hole (11), the anti-drop part comprises two limit cover plates (4), the two limit cover plates (4) are fixedly connected to two axial ends of the outer ring (1), and the inner ring (2) is positioned between the two limit cover plates (4).