CN214404403U

CN214404403U - Tooth type coupling

Info

Publication number: CN214404403U
Application number: CN202022953431.3U
Authority: CN
Inventors: 杨春娣
Original assignee: Zhenjiang Yuanda Transmission Machinery Co ltd
Current assignee: Zhenjiang Yuanda Transmission Machinery Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-10-15
Anticipated expiration: 2030-12-08

Abstract

The utility model discloses a tooth-like shaft coupling, be equipped with the step portion on the outer wall of axle sleeve, the ring gear cover is established on the step portion, wear to establish a plurality of first screw on the circumferencial direction of ring gear in, the ring gear passes through first screw fixed connection on the step face of step portion, outer ring gear cover is established at the inboard of ring gear, the spacing face that extends along the axle sleeve radial direction is equipped with at the outside end of every end plate cover, two spacing end plates correspond the cover and establish on the step portion of two axle sleeves, wear to establish the second screw on the circumferencial direction of every spacing end plate, the second screw passes the spacing face of corresponding side and threaded connection on the side end face of outer ring gear; and the outer wall surface of each end disc sleeve is in threaded connection with a plurality of third screws, and the third screws are in threaded connection with the outer circumferential surface of the outer gear ring. The utility model discloses when using, if the flank of tooth of ring gear or outer ring gear takes place wearing and tearing, only need change corresponding ring gear or outer ring gear can, need not whole replacement sleeve or axle sleeve, use cost is low.

Description

Tooth type coupling

The technical field is as follows:

the utility model relates to a tooth-like shaft coupling.

Background art:

the coupling is also called coupling, and is used for firmly connecting a driving shaft and a driven shaft in different mechanisms to rotate together and transmitting mechanical components of movement and torque. The tooth-type coupling is a branch in the coupling, it has good transmission function, the tooth surface of the existing tooth-type coupling is generally directly opened on the shaft sleeve and the connecting sleeve, when the tooth surface is damaged, the damaged part which better corresponds to the whole is needed, the use cost is high, and the tooth surface is directly processed on the shaft sleeve and the connecting sleeve, so the tooth surface is difficult to process and manufacture, and the manufacturing cost is high. Therefore, there is a need to improve the prior art to overcome the deficiencies of the prior art.

The invention content is as follows:

the utility model provides a solve the problem that above-mentioned prior art exists and provide a tooth-like shaft coupling.

The utility model discloses the technical scheme who adopts has: a gear coupling comprises shaft sleeves, end disc sleeves, an inner gear ring, an outer gear ring and a limiting end disc, wherein the two shaft sleeves are coaxially arranged at intervals, a step part is arranged on the outer wall surface of each shaft sleeve, the inner gear ring is sleeved on the step part, a plurality of first screws penetrate through the inner gear ring in the circumferential direction, the inner gear ring is fixedly connected to the step surface of the step part through the first screws, the outer gear ring is sleeved on the inner side of the inner gear ring, and the tooth surface on the inner circumferential wall of the outer gear ring is meshed with the tooth surface on the outer circumferential wall of the inner gear ring; two end disc sleeves are respectively sleeved on the outer sides of the two shaft sleeves and fixedly connected through bolts, a limiting surface extending along the radial direction of the shaft sleeve is arranged at the tail end of the outer side of each end disc sleeve, the two limiting end discs are correspondingly sleeved on the step parts of the two shaft sleeves,

a plurality of second screws penetrate in the circumferential direction of each limiting end disc, penetrate through the limiting surface on the corresponding side and are in threaded connection with the side end surface of the outer gear ring; and the outer wall surface of each end disc sleeve is in threaded connection with a plurality of third screws, and the third screws are in threaded connection with the outer circumferential surface of the outer gear ring.

Furthermore, the end disc sleeve is provided with a limiting groove on the inner side of the limiting surface, and the limiting groove is of a regular octahedral groove structure.

Furthermore, the outer wall surface of the outer gear ring is in a regular octahedral structure, and the outer gear ring is arranged in the limiting groove.

Furthermore, a plurality of counter bores are formed in the circumferential direction of the inner gear ring, and bolt heads of the first screws are arranged in the counter bores.

Further, a sealing ring is arranged between the shaft sleeve and the limiting end disc.

Furthermore, the inner wall surface of the limiting end disc is provided with a bulge, and the bulge enables the inner gear ring to abut against the step surface of the step part.

The utility model discloses following beneficial effect has:

the utility model discloses when using, if the flank of tooth of ring gear or outer ring gear takes place wearing and tearing, only need change corresponding ring gear or outer ring gear can, need not whole replacement sleeve or axle sleeve, use cost is low. And the independent processing of the inner gear ring or the outer gear ring is simple relative to the processing of the tooth surface on the outer wall of the shaft sleeve or the inner wall of the sleeve, is convenient to process and manufacture, and has low manufacturing cost.

Description of the drawings:

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

Fig. 2 is a partial enlarged view of the present invention.

Fig. 3 is a structural diagram of the outer gear ring of the present invention.

The specific implementation mode is as follows:

the present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1 to 3, the utility model relates to a tooth-like shaft coupling, including axle sleeve 1, end plate cover 3, ring gear 4, outer ring gear 5 and spacing end plate 6, two coaxial and interval settings of axle sleeve 1, be equipped with step portion 11 on the outer wall of

axle sleeve

1, 4 covers of ring gear are established on step portion 11, wear to establish the first screw 21 of a plurality of on the circumferencial direction of ring gear 4, ring gear 4 is on the step face of step portion 11 through first screw 21 fixed connection, 5 covers of outer ring gear are established in the inboard of ring gear 4, and the flank of tooth on the interior circumference wall of ring gear 5 and the flank of tooth intermeshing on the outer circumference wall of ring gear 4. The two end disc sleeves 3 are respectively sleeved on the outer sides of the two shaft sleeves 1, and the two end disc sleeves 3 are fixedly connected through bolts 24.

In order to facilitate the fixed connection among the end disc sleeve 3, the outer gear ring 5 and the limiting end discs 6, a limiting surface 31 extending along the radial direction of the shaft sleeve 1 is arranged at the tail end of the outer side of each end disc sleeve 3, the two limiting end discs 6 are correspondingly sleeved on the step parts 11 of the two shaft sleeves 1, a plurality of second screws 22 penetrate through the circumferential direction of each limiting end disc 6, and the second screws 22 penetrate through the limiting surfaces 31 on the corresponding sides and are in threaded connection with the side end surface of the outer gear ring 5.

A plurality of third screws 23 are connected to the outer wall surface of each end plate sleeve 3 in a threaded manner, and the third screws 23 are connected to the outer circumferential surface of the outer gear ring 5 in a threaded manner.

In order to install the external gear ring 5 in the end disc sleeve 3, a limiting groove 35 is arranged on the end disc sleeve 3 and on the inner side of the limiting surface 31, and the limiting groove 35 is of a regular octahedral groove structure. The outer wall surface of the outer gear ring 5 is in a regular octahedral structure, and the outer gear ring 5 is arranged in the limiting groove 35. The outer wall surface of the outer gear ring 5 is matched with the polygonal limiting groove 35, so that the assembly stability of the outer gear ring 5 is ensured, and the phenomenon that the outer gear ring 5 rotates in the end disc sleeve 3 is avoided.

A plurality of counter bores are arranged in the circumferential direction of the ring gear 4, and the bolt heads of the first screws 21 are arranged in the counter bores. In order to better limit the installation of the inner gear ring 4, a protruding part 61 is arranged on the inner wall surface of the limiting end disc 6, and the inner gear ring 4 is abutted against the step surface of the step part 11 by the protruding part 61.

In order to ensure the sealing performance, a sealing ring is arranged between the shaft sleeve 1 and the limiting end disc 6.

The utility model discloses when using, if the flank of tooth of ring gear 4 or outer ring gear 5 takes place wearing and tearing, only need change corresponding ring gear 4 or outer ring gear 5 can, need not wholly to replace sleeve or axle sleeve, use cost is low. And the process of separately processing the inner gear ring 4 or the outer gear ring 5 is simple relative to the process of processing the tooth surface on the outer wall of the shaft sleeve or the inner wall of the sleeve, is convenient for processing and manufacturing, and has low manufacturing cost.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. A tooth coupling, characterized by: the novel gear hub comprises shaft sleeves (1), end disc sleeves (3), an inner gear ring (4), an outer gear ring (5) and a limiting end disc (6), wherein the two shaft sleeves (1) are coaxially arranged at intervals, a step part (11) is arranged on the outer wall surface of each shaft sleeve (1), the inner gear ring (4) is sleeved on the step part (11), a plurality of first screws (21) penetrate through the inner gear ring (4) in the circumferential direction, the inner gear ring (4) is fixedly connected to the step surface of the step part (11) through the first screws (21), the outer gear ring (5) is sleeved on the inner side of the inner gear ring (4), and the tooth surface on the inner circumferential wall of the outer gear ring (5) is meshed with the tooth surface on the outer circumferential wall of the inner gear ring (4); the two end disc sleeves (3) are respectively sleeved on the outer sides of the two shaft sleeves (1), the two end disc sleeves (3) are fixedly connected through bolts (24), a limiting surface (31) extending along the radial direction of the shaft sleeve (1) is arranged at the tail end of the outer side of each end disc sleeve (3), the two limiting end discs (6) are correspondingly sleeved on step parts (11) of the two shaft sleeves (1), a plurality of second screws (22) penetrate through the circumferential direction of each limiting end disc (6), and the second screws (22) penetrate through the limiting surfaces (31) on the corresponding sides and are in threaded connection with side end surfaces of the outer gear ring (5); the outer wall surface of each end disc sleeve (3) is in threaded connection with a plurality of third screws (23), and the third screws (23) are in threaded connection with the outer circumferential surface of the outer gear ring (5).

2. The tooth coupling of claim 1, wherein: the end disc sleeve (3) is provided with a limiting groove (35) on the inner side of the limiting surface (31), and the limiting groove (35) is of a regular octahedral groove structure.

3. The tooth coupling of claim 2, wherein: the outer wall surface of the outer gear ring (5) is of a regular octahedral structure, and the outer gear ring (5) is arranged in the limiting groove (35).

4. The tooth coupling of claim 1, wherein: the inner gear ring (4) is provided with a plurality of counter bores in the circumferential direction, and bolt heads of the first screws (21) are arranged in the counter bores.

5. The tooth coupling of claim 1, wherein: and a sealing ring is arranged between the shaft sleeve (1) and the limiting end disc (6).

6. The tooth coupling of claim 1, wherein: the inner wall surface of the limiting end disc (6) is provided with a bulge (61), and the inner gear ring (4) is abutted to the step surface of the step part (11) by the bulge (61).