CN215980529U

CN215980529U - Simple gear coupling

Info

Publication number: CN215980529U
Application number: CN202121771230.XU
Authority: CN
Inventors: 肖萍英; 周志文
Original assignee: Jiangyin Yiying Machinery Manufacturing Co ltd
Current assignee: Jiangyin Yiying Machinery Manufacturing Co ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-03-08
Anticipated expiration: 2031-07-30

Abstract

The utility model discloses a simple gear coupling, which relates to the field of coupling structures and comprises an inner gear connecting end, a buffer connecting part and an outer gear connecting end which are sequentially connected; the buffer connecting portion comprises a hollow fixed connecting portion and a sliding connecting portion which is inserted in the fixed connecting portion in a sliding mode, a plurality of connecting waist-shaped grooves are formed in the periphery of the fixed connecting portion, a plurality of connecting convex blocks which can be inserted into the connecting waist-shaped grooves are formed in the end portion of the sliding connecting portion, the end portion of the fixed connecting portion is connected with the bottom of the sliding connecting portion through a fixed buffer spring, and the end portion of the sliding connecting portion is connected with the bottom of the fixed connecting portion through a sliding buffer spring. The utility model has simple integral structure, and can provide effective axial buffer space for the inner gear connecting end and the outer gear connecting end through the sliding connecting part which can slide in the fixed connecting part.

Description

Simple gear coupling

Technical Field

The utility model relates to the field of coupler structures, in particular to a simple gear coupler.

Background

The coupling is a device for connecting two shafts or a shaft and a rotating part, rotating together in the process of transmitting motion and power and not separating under normal conditions. Sometimes it is also used as a safety device to prevent the coupled machine parts from bearing excessive load, and plays the role of overload protection, mainly used to couple the driving shaft and the driven shaft of different mechanisms firmly to rotate together, and transmit the mechanical parts of movement and torque.

Sometimes the coupling shaft is also used in combination with components such as gears and pulleys to compensate for misalignment between the shafts due to manufacturing inaccuracies, deformations during operation, etc. However, the existing coupling mostly adopts a structure with a tiny and precise structure and more internal small parts in a Chinese patent with publication number CN211202656U, namely a drum-type coupling installed between a gear box and a roller, and the structure is inconvenient to overhaul after being damaged, has a small structure and has limited axial and radial buffering effects.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a simple gear coupling and solve the problem that the existing gear coupling is inconvenient to overhaul due to a precise structure.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

a simple gear coupling comprises an inner gear connecting end, a buffer connecting part and an outer gear connecting end which are sequentially connected; the buffer connecting portion comprises a hollow fixed connecting portion and a sliding connecting portion which is inserted in the fixed connecting portion in a sliding mode, a plurality of connecting waist-shaped grooves are formed in the periphery of the fixed connecting portion, a plurality of connecting convex blocks which can be inserted into the connecting waist-shaped grooves are formed in the end portion of the sliding connecting portion, the end portion of the fixed connecting portion is connected with the bottom of the sliding connecting portion through a fixed buffer spring, and the end portion of the sliding connecting portion is connected with the bottom of the fixed connecting portion through a sliding buffer spring.

Preferably, the inner gear connecting end is a structure that an inner ring rack is arranged in a hollow shaft rod.

Preferably, the outer gear connecting end is of a structure that an outer ring rack is arranged outside a shaft rod.

Preferably, there are two connecting waist-shaped grooves which are respectively arranged on two opposite sides of the fixed connecting part, and there are two connecting convex blocks which are respectively inserted into the connecting waist-shaped grooves in a sliding manner.

Preferably, an integrally formed structure is arranged between the inner gear connecting end and the sliding connecting portion, and an integrally formed structure is arranged between the fixed connecting portion and the outer gear connecting end.

By adopting the technical scheme, the axial buffer structure is simple in overall structure, an effective axial buffer space can be provided for the inner gear connecting end and the outer gear connecting end through the sliding connecting part which can slide in the fixed connecting part, and a certain radial buffer space is reserved for ensuring smooth sliding due to the sliding connection between the sliding connecting part and the fixed connecting part; the fixed buffer springs and the sliding buffer springs at the two ends can ensure the buffer effect of the sliding connection part in the sliding process of the fixed connection part and prevent larger impact force between the sliding connection part and the fixed connection part, so that the service life of the sliding connection part is ensured.

Drawings

FIG. 1 is a schematic view of the structure in one aspect of the present invention;

fig. 2 is a schematic structural view in another direction of the present invention.

In the figure, 1-internal gear connecting end, 2-external gear connecting end, 3-sliding connecting portion, 4-fixed connecting portion, 5-connecting waist-shaped groove, 6-connecting lug, 7-fixed buffer spring and 8-sliding buffer spring.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 and 2, a simple gear coupling includes an internal gear connecting end 1, a buffer connecting portion and an external gear connecting end 2 which are connected in sequence, wherein a common pinion can be used to drive a gear with large internal gearing to rotate by transmitting transmission force input from the internal gear connecting end 1 to the external gear connecting end 2 through the buffer connecting portion, and the buffer connecting portion can provide effective axial and radial buffer;

continuing as shown in fig. 1 and 2, the buffer connection part comprises a hollow fixed connection part 4 and a sliding connection part 3 inserted in the fixed connection part 4 in a sliding manner, a plurality of connecting waist-shaped grooves 5 are arranged on the periphery of the fixed connection part 4, a plurality of connecting bumps 6 capable of being inserted into the connecting waist-shaped grooves 5 are arranged at the end part of the sliding connection part 3, the end part of the fixed connection part 4 is connected with the bottom part of the sliding connection part 3 through a fixed buffer spring 7, the end part of the sliding connection part 3 is connected with the bottom part in the fixed connection part 4 through a sliding buffer spring 8, so that when large axial deviation occurs, effective axial buffer force and buffer space can be provided by the sliding of the sliding connection part 3 in the fixed connection part 4 under the driving of the buffer elasticity of the fixed buffer springs 7 and the sliding buffer springs 8 at the two ends, and the sliding connection part 3 is connected with the fixed connection part 4 in a sliding manner, therefore, there is a certain radial buffer space, and the fixed buffer spring 7 and the sliding buffer spring 8 are driven by the elastic force, so that the sliding connection portion 3 and the fixed connection portion 4 are not jammed.

During the use, be connected external power input end gear and internal gear link 1 gear engagement, be connected external gear link 2 and external power output end internal gearing gear engagement, under the rotatory drive of external power input end gear, the slip of sliding connection portion 3 in fixed connection portion 4 through buffering connecting portion, and the fixed buffer spring 7 and the slip buffer spring 8 at both ends can provide the elastic buffer support, even under the condition that power input end gear takes place great axial skew, still can transmit revolving force to external gear link 2, through the meshing effect of external gear link 2 and power output end internal gearing gear, drive power output end internal gearing gear's rotation.

The sliding connection part 3 capable of sliding in the fixed connection part 4 can provide an effective axial buffer space for the internal gear connection end 1 and the external gear connection end 2, and the sliding connection part 3 is in sliding connection with the fixed connection part 4, so that a certain radial buffer space exists for ensuring smooth sliding; the fixed buffer spring 7 and the sliding buffer spring 8 at the two ends can ensure the buffer effect of the sliding connection part 3 in the sliding process of the fixed connection part 4, prevent larger impact force between the sliding connection part 3 and the fixed connection part 4, thereby ensuring the service life of the utility model, and the sliding connection part 3 is driven by the elastic force of the fixed buffer spring 7 and the sliding buffer spring 8, even if the sliding connection part 3 generates certain radial deviation in the fixed connection part 4, the clamping and the like are not easy to generate, and the sliding connection part can be easily restored under the driving of the elastic force of the fixed buffer spring 7 and the sliding buffer spring 8, thereby ensuring the smooth reliability in the use process of the utility model.

In order to promote the axial buffer space of power input end gear, guarantee that input end gear still can transmit input revolving force to external gear link 2 when taking place great skew, internal gear link 1 sets up the structure of inner circle rack for hollow axle stick in, compare in traditional internal gear structure through this kind of longer axle stick column structure, can effectively promote the area of contact of power input end gear and internal gear link 1, thereby guarantee that power input end gear and internal gear link 1 have sufficient axial buffer space.

In order to promote external gear link 2 and power take off end internal gear meshing gear's axial buffer space, the people can transmit output revolving force to power take off end internal gear meshing gear when guaranteeing defeated initial end and taking place great skew, external gear link 2 is the structure of the outer lane rack of axle stick outer-open, compare in traditional external gear structure through this kind of longer axle stick column structure, can effectively promote external gear link 2 and power take off end internal gear meshing gear's area of contact, thereby guarantee that external gear link 2 and power take off end internal gear meshing gear have sufficient axial buffer space.

In order to ensure the connection buffering effect and the simplification of the whole structure, two connecting waist-shaped grooves 5 are respectively arranged at two opposite sides of the fixed connecting part 4, and two connecting convex blocks 6 are respectively inserted in the connecting waist-shaped grooves 5 in a sliding manner, so that the buffer reliability can be ensured, the simplicity and convenience of the whole structure of the utility model can be ensured, and the overhaul by workers can be facilitated.

In order to ensure the overall stability, reliability and service life of the utility model, the internal gear connecting end 1 and the sliding connecting end 3 are in an integrally formed structure, and the fixed connecting end 4 and the external gear connecting end 2 are in an integrally formed structure, so that compared with the traditional welding structure, the welding seam cracking and other conditions can not occur, the overall connection reliability is ensured, and the service life of the utility model in the overall use process can be prolonged.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, and the scope of protection is still within the scope of the utility model.

Claims

1. The utility model provides a simple and easy gear coupling which characterized in that: comprises an inner gear connecting end (1), a buffer connecting part and an outer gear connecting end (2) which are connected in sequence; buffer connection portion includes hollow fixed connection portion (4) and slides and inserts and establish sliding connection portion (3) in fixed connection portion (4), a plurality of waist type groove (5) of connecting have been seted up to fixed connection portion (4) periphery, sliding connection portion (3) tip is equipped with a plurality of and can inserts connect connection lug (6) in the waist type groove (5), be connected through fixed buffer spring (7) between fixed connection portion (4) tip and sliding connection portion (3) bottom, be connected through sliding buffer spring (8) between sliding connection portion (3) tip and the bottom in fixed connection portion (4).

2. The simplified gear coupling according to claim 1, wherein: the inner gear connecting end (1) is of a structure that an inner ring rack is arranged in a hollow shaft rod.

3. The simplified gear coupling according to claim 1, wherein: the outer gear connecting end (2) is of a structure that an outer ring rack is arranged outside a shaft rod.

4. The simplified gear coupling according to claim 1, wherein: the two connecting waist-shaped grooves (5) are respectively arranged on two opposite sides of the fixed connecting part (4), and the two connecting convex blocks (6) are respectively inserted into the connecting waist-shaped grooves (5) in a sliding manner.

5. The simplified gear coupling according to claim 1, wherein: the internal gear connecting end (1) and the sliding connecting part (3) are of an integrally formed structure, and the fixed connecting part (4) and the external gear connecting end (2) are of an integrally formed structure.