CN218953867U

CN218953867U - Coupling

Info

Publication number: CN218953867U
Application number: CN202320197241.4U
Authority: CN
Inventors: 郭强
Original assignee: Xi'an Yanwei Information Technology Co ltd
Current assignee: Xi'an Yanwei Information Technology Co ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-05-02
Anticipated expiration: 2033-02-13

Abstract

The utility model discloses a coupler, which comprises a shell and two transmission shafts for transmission, wherein the shell is cylindrical with openings at two ends, an elastomer is arranged on the inner side of the shell, a plurality of fixing blocks are uniformly distributed on the inner wall of the elastomer, a connecting groove is formed between every two adjacent fixing blocks, side check rings are arranged at two ends of the shell, the ends of the transmission shafts extend to the inside of the shell and are provided with fixing discs, a plurality of inserting blocks are fixedly arranged on one side surface of the fixing discs, facing the inner side of the shell, of each inserting block corresponds to the corresponding connecting groove one by one, and the fixing discs are connected with an adjusting mechanism on the side check rings, and the coupler has the advantages that: the transmission of moment of torsion is realized through the fixed block, and in the transmission process, hard contact can not take place between transmission shaft and the shell to prevent spare part damage, follow-up only need change the elastomer can, great reduction the cost when changing.

Description

Coupling

Technical Field

The utility model relates to the technical field of couplers, in particular to a coupler.

Background

A mechanical part for coupling two shafts (a driving shaft and a driven shaft) in different mechanisms to rotate together to transmit torque. In the high-speed and heavy-load power transmission, some couplings have the functions of buffering, damping and improving the dynamic performance of a shaft system. The coupling consists of two halves which are respectively connected with the driving shaft and the driven shaft. In general, the power machine is connected with the working machine by means of a coupling, in the heavy machinery transmission unit, a plurality of devices are connected with the unit by adopting a structure of a rigid coupling and a brake disc, the structure is widely used due to simple manufacture, low cost and convenient installation,

the existing rigid coupling has no elastic element and compensation function, so that vibration and impact of a unit cannot be absorbed, and if a brake disc is added, large impact energy can be generated in the braking process, so that the operation of the unit is adversely affected.

Disclosure of Invention

The present utility model is directed to a coupling for solving the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a shaft coupling, includes the shell and is used for driven two transmission shafts, the shell is both ends open-ended cylinder tube-shape, the inboard of shell is provided with the elastomer, the inner wall equipartition of elastomer is provided with a plurality of fixed blocks, forms the spread groove between two adjacent fixed blocks, the both ends of shell all are provided with the side retaining ring, the end department of transmission shaft extends to the inside of shell to be provided with the fixed disk, the fixed disk is provided with a plurality of inserts towards the inboard one side fixed surface of shell, a plurality of the inserts respectively with a plurality of spread grooves one-to-one, just the fixed disk with adjustment mechanism on the side retaining ring is connected.

Preferably, the fixing blocks are provided with two groups, and the elastic body is fixedly provided with a partition plate between the two groups of fixing blocks.

Preferably, the elastic body, the fixing block and the partition plate are integrally formed and made of rubber materials.

Preferably, the side check ring is uniformly provided with a plurality of connecting bolts by taking the axis as the center, and the ends of the connecting bolts extend to the end face of the shell and are connected through threads.

Preferably, the adjusting mechanism comprises a plurality of adjusting bolts and a movable check ring, the adjusting bolts are arranged outside a central hole of the side check ring, the movable check ring is arranged between the fixed disc and the side check ring, the side face of the movable check ring is abutted to the end of the adjusting bolts, and a rubber ring is arranged on the surface of one side, close to the fixed disc, of the movable check ring.

Preferably, a plurality of sliding grooves are formed in the outer side surface of the elastic body, and the sliding grooves are in sliding connection with a plurality of sliding rails arranged on the inner wall of the shell.

Compared with the prior art, the utility model has the beneficial effects that: the elastic body is arranged on the inner side of the shell, the fixing blocks and the partition plates are arranged on the inner side of the elastic body, the inserting blocks on the side surfaces of the two fixing plates are respectively inserted into the connecting grooves of the two groups of fixing blocks, and the end surfaces of the inserting blocks are abutted against the surfaces of the partition plates, so that in the use process, the transmission of torque is realized through the fixing blocks, in the transmission process, the transmission shaft is not in hard contact with the shell, thereby preventing the damage of parts, and only the elastic body is needed to be replaced in the subsequent process, so that the cost in the replacement process is greatly reduced; meanwhile, the impact force of the whole device in the axial direction can be effectively reduced through the partition plate and the rubber ring.

Drawings

FIG. 1 is a schematic overall structure of the present utility model;

FIG. 2 is a schematic structural view of an elastomer according to the present utility model;

FIG. 3 is a schematic structural view of the housing of the present utility model;

fig. 4 is a schematic structural view of a side retainer ring according to the present utility model.

In the figure: 1. a housing; 2. a transmission shaft; 3. an elastomer; 4. a fixed block; 5. a connecting groove; 6. a side retainer ring; 7. a fixed plate; 8. inserting blocks; 9. a partition plate; 10. a connecting bolt; 11. an adjusting bolt; 12. a movable retainer ring; 13. a rubber ring; 14. a chute; 15. a slide rail.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a shaft coupling, including shell 1 and two transmission shafts 2 that are used for the driven, shell 1 is both ends open-ended cylinder tube-shape, shell 1's inboard is provided with elastomer 3, elastomer 3's inner wall equipartition is provided with a plurality of fixed blocks 4, form spread groove 5 between two adjacent fixed blocks 4, shell 1's both ends all are provided with side retaining ring 6, transmission shaft 2's end department extends to shell 1's inside, and be provided with fixed disk 7, fixed disk 7 is provided with a plurality of inserts 8 towards shell 1 inboard one side fixed surface, a plurality of inserts 8 respectively with a plurality of spread grooves 5 one-to-one, and fixed disk 7 is connected with the adjustment mechanism on the side retaining ring 6.

The fixed blocks 4 are provided with two groups, and the elastic body 3 is fixedly provided with a baffle 9 between the two groups of fixed blocks 4.

The elastic body 3, the fixed block 4 and the partition plate 9 are integrally formed and made of rubber materials.

The side check ring 6 is uniformly provided with a plurality of connecting bolts 10 taking the axis as the center, and the end of the connecting bolts 10 extends to the end face of the shell 1 and is connected through threads.

The adjusting mechanism comprises a plurality of adjusting bolts 11 and a movable check ring 12, wherein the adjusting bolts 11 are arranged outside a central hole of the side check ring 6, the movable check ring 12 is arranged between the fixed disc 7 and the side check ring 6, the side surface of the movable check ring 12 is abutted with the end of the adjusting bolts 11, and a rubber ring 13 is arranged on the surface of one side, close to the fixed disc 7, of the movable check ring 12.

The outer side surface of the elastic body 3 is provided with a plurality of sliding grooves 14, and the sliding grooves 14 are in sliding connection with a plurality of sliding rails 15 arranged on the inner wall of the shell 1.

Specifically, when the utility model is used, the fixed disks 7 at the ends of the two transmission shafts 2 are inserted into the shell 1, the insertion blocks 8 at the side surfaces of the fixed disks 7 are inserted into the connecting grooves 5 formed by the fixed blocks 4, the side check rings 6 are connected through the connecting bolts 10, the adjusting bolts 11 are rotated, and the movable check rings 12 and the rubber rings 13 at the side surfaces synchronously move towards the fixed disks 7 through the ends of the adjusting bolts 11 until the rubber rings 13 are abutted against the side surfaces of the fixed disks 7.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," "third," "fourth" may explicitly or implicitly include at least one such feature.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a shaft coupling, its characterized in that, including shell (1) and two transmission shafts (2) that are used for the driven, shell (1) is both ends open-ended cylinder tube-shape, the inboard of shell (1) is provided with elastomer (3), the inner wall equipartition of elastomer (3) is provided with a plurality of fixed blocks (4), forms spread groove (5) between two adjacent fixed blocks (4), the both ends of shell (1) all are provided with side retaining ring (6), the end department of transmission shaft (2) extends to the inside of shell (1) to be provided with fixed disk (7), fixed disk (7) are provided with a plurality of inserts (8) towards one side fixed surface of shell (1) inboard, a plurality of inserts (8) respectively with a plurality of spread grooves (5) one-to-one, just fixed disk (7) with adjustment mechanism on side retaining ring (6) is connected.

2. A coupling according to claim 1, wherein: the fixing blocks (4) are provided with two groups, and the elastic body (3) is fixedly provided with a partition plate (9) between the two groups of fixing blocks (4).

3. A coupling according to claim 1, wherein: the elastic body (3), the fixed block (4) and the partition plate (9) are integrally formed and made of rubber materials.

4. A coupling according to claim 1, wherein: the side check ring (6) is uniformly provided with a plurality of connecting bolts (10) by taking the axis as the center, and the end of each connecting bolt (10) extends to the end face of the shell (1) and is connected through threads.

5. A coupling according to claim 1, wherein: the adjusting mechanism comprises a plurality of adjusting bolts (11) and movable check rings (12), the adjusting bolts (11) are arranged outside central holes of the side check rings (6), the movable check rings (12) are arranged between the fixed disc (7) and the side check rings (6), the side faces of the movable check rings (12) are abutted to the end of the adjusting bolts (11), and rubber rings (13) are arranged on the surface of one side, close to the fixed disc (7), of the movable check rings (12).

6. A coupling according to claim 1, wherein: the outer side surface of the elastic body (3) is provided with a plurality of sliding grooves (14), and the sliding grooves (14) are in sliding connection with a plurality of sliding rails (15) arranged on the inner wall of the shell (1).