CN215720643U

CN215720643U - Clutch assembly structure

Info

Publication number: CN215720643U
Application number: CN202122292448.3U
Authority: CN
Inventors: 万新露; 贺先兵
Original assignee: Bafang Electric Suzhou Co Ltd
Current assignee: Bafang Electric Suzhou Co Ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-02-01
Anticipated expiration: 2031-09-22

Abstract

The utility model relates to a clutch assembly structure, which comprises an outer gear with an inner hole and a clutch, wherein the clutch is arranged in the inner hole of the outer gear, the clutch comprises an installation shaft and a clutch body arranged on the outer surface of the installation shaft, the clutch body is arranged between the inner wall of the outer gear and the outer wall of the installation shaft, rolling ball grooves are respectively arranged on the inner wall of the outer gear and the outer wall of the installation shaft at positions corresponding to two sides of the clutch body, a plurality of rolling balls rolling along the rolling ball grooves are arranged in each rolling ball groove, and the rolling balls in each rolling ball groove are arranged on a holding frame. According to the clutch, the two rolling ball grooves are formed in the inner hole wall of the outer gear, the two rolling ball grooves are also formed in the outer wall of the mounting shaft, the rolling balls are arranged on the mounting shaft together in the retainer, and the two ends of the clutch body are positioned, so that the clutch body is stably stressed in the middle, the space is small, and the torque transmission is more stable and reliable.

Description

Clutch assembly structure

Technical Field

The utility model relates to the technical field of unidirectional precision machinery, in particular to a clutch assembly structure.

Background

At present, the assembly of some standard precise clutch devices in the market basically needs to be supported by deep groove ball bearings at two ends or needle roller bearings, and the schemes occupy larger space, easily cause structural space waste and cause the defect of unstable transmission torque.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: overcomes the defects in the prior art and provides a clutch component structure.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a clutch assembly structure, includes the outer gear and the clutch of taking the hole, the clutch is installed in the hole of outer gear, the clutch is including installing the axle and setting up the clutch body on installing the epaxial surface of axle, the clutch body is installed between outer gear inner wall and installation axle outer wall, a spin slot has respectively been seted up with the position punishment that installs the epaxial outer wall of axle and correspond clutch body both sides, and every spin slot is interior all to be equipped with a plurality of rolling balls along it, and a cage is arranged in to the spin in every spin slot.

Two rolling ball grooves are formed in the inner hole wall of the outer gear, two rolling ball grooves are also formed in the outer wall of the mounting shaft, the rolling balls are placed on the mounting shaft in the holding frame, two ends of the clutch body are located, and therefore the clutch body is placed in the middle and is stressed stably.

Further defined, the external gear comprises a tooth part, a shaft neck and an external spline which are arranged in sequence, the tooth part and the external spline are respectively arranged at two ends of the shaft neck, and the diameter of the tooth part is larger than that of the external spline.

In order to ensure the compact structure, it is further defined that the ball grooves on the inner wall of the external gear include a first ball groove provided at an end of the inner bore wall of the external gear corresponding to the tooth portion, and a second ball groove provided at a position on the inner bore wall of the external gear near the external spline.

Further limiting, the mounting shaft portion extends out of the inner hole of the outer gear, an inner spline is arranged on the inner wall of the mounting shaft portion extending out of the inner hole, and a third rolling ball groove and a fourth rolling ball groove are respectively formed in positions, corresponding to the first rolling ball groove and the second rolling ball groove, on the outer wall of the mounting shaft.

In order to facilitate the installation and positioning of the shaft, a convex ring is further limited on the inner side of the internal spline on the inner wall of the installation shaft.

Further, the clutch body is composed of a plurality of wedges encircled along the outer peripheral surface of the mounting shaft.

The utility model has the beneficial effects that: according to the clutch, the two rolling ball grooves are formed in the inner hole wall of the outer gear, the two rolling ball grooves are also formed in the outer wall of the mounting shaft, the rolling balls are arranged on the mounting shaft together in the retainer, and the two ends of the clutch body are positioned, so that the clutch body is stably stressed in the middle, the space is small, and the torque transmission is more stable and reliable.

Drawings

The utility model is further described with reference to the following figures and embodiments.

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

Fig. 2 is a sectional view in the direction a-a of fig. 1.

Fig. 3 is a schematic view of the structure of the external gear in the present invention.

Fig. 4 is a schematic view of the clutch of the present invention.

In the figure: 1. the clutch comprises an external gear, 2, a clutch, 3, a ball, 4, a retainer, 11, an inner hole, 12, a tooth part, 13, a shaft neck, 14, an external spline, 15, a first ball groove, 16, a second ball groove, 21, a mounting shaft, 22, a clutch body, 211, an internal spline, 212, a third ball groove, 213, a fourth ball groove and 214, a convex ring.

Detailed Description

The utility model will now be further described with reference to the accompanying drawings. These drawings are simplified schematic diagrams only illustrating the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in figures 1-2, a clutch component structure, including outer gear 1 and clutch 2 of taking hole 11, clutch 2 installs in outer gear 1's hole 11, clutch 2 includes installation axle 21 and sets up the clutch body 22 on installation axle 21 surface, clutch body 22 installs between outer gear 1 inner wall and installation axle 21 outer wall, the position punishment that corresponds clutch body 22 both sides on outer gear 1 inner wall and the installation axle 21 outer wall has respectively seted up the spin slot, every spin slot is interior all to be equipped with a plurality of rolling balls 3 along it, a retainer 4 is arranged in to the spin in every spin slot.

As shown in fig. 3, the external gear 1 includes a tooth portion 12, a journal 13, and an external spline 14, which are sequentially disposed, the tooth portion 12 and the external spline 14 are respectively disposed at both ends of the journal 13, and the diameter of the tooth portion 12 is larger than that of the external spline 14. The rolling ball grooves on the inner wall of external gear 1 include a first rolling ball groove 15 and a second rolling ball groove 16, the first rolling ball groove 15 is provided at one end of the wall of inner bore 11 of external gear 1 corresponding to tooth 12, and the second rolling ball groove 16 is provided at a position on the wall of inner bore 11 of external gear 1 near external spline 14.

As shown in fig. 4, the mounting shaft 21 partially protrudes from the inner bore 11 of the external gear 1, the inner spline 211 is provided on the inner wall of the mounting shaft 21 portion protruding from the inner bore 11, and the third ball groove 212 and the fourth ball groove 213 are provided on the outer wall of the mounting shaft 21 at positions corresponding to the first ball groove 15 and the second ball groove 16, respectively. A convex ring 214 is arranged on the inner side of the internal spline 211 on the inner wall of the mounting shaft 21.

In addition, the clutch body 22 is composed of a plurality of wedges enclosed along the outer peripheral surface of the mounting shaft 21.

The clutch assembly structure of the embodiment has the advantages of compact structure, small space and stable and reliable transmission torque.

The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.

Claims

1. A clutch assembly structure characterized by: including the external gear and the clutch of taking the hole, the clutch is installed in the hole of external gear, the clutch is including installing the axle and setting up at the epaxial clutch body of installation on the axle surface, the clutch body is installed between external gear inner wall and installation axle outer wall, the position punishment that corresponds clutch body both sides on external gear inner wall and the installation axle outer wall has do not seted up the spin slot, and every spin slot is interior all to be equipped with a plurality of rolling balls along it, and a retainer is arranged in to the spin in every spin slot.

2. The clutch assembly structure according to claim 1, characterized in that: the outer gear comprises a tooth part, a shaft neck and an outer spline which are sequentially arranged, the tooth part and the outer spline are respectively arranged at two ends of the shaft neck, and the diameter of the tooth part is larger than that of the outer spline.

3. A clutch assembly structure according to claim 2, characterized in that: the rolling ball groove on the inner wall of the outer gear comprises a first rolling ball groove and a second rolling ball groove, the first rolling ball groove is formed in one end of the inner hole wall of the outer gear, corresponding to the tooth part, and the second rolling ball groove is formed in the position, close to the outer spline, of the inner hole wall of the outer gear.

4. A clutch assembly structure according to claim 3, characterized in that: the mounting shaft part extends out of an inner hole of the outer gear, an inner spline is arranged on the inner wall of the mounting shaft part extending out of the inner hole, and a third rolling ball groove and a fourth rolling ball groove are respectively formed in positions, corresponding to the first rolling ball groove and the second rolling ball groove, on the outer wall of the mounting shaft.

5. The clutch assembly structure according to claim 4, wherein: and a convex ring is arranged on the inner side of the internal spline on the inner wall of the mounting shaft.

6. The clutch assembly structure according to claim 1, characterized in that: the clutch body is composed of a plurality of wedges encircled along the outer peripheral surface of the mounting shaft.