CN213839322U

CN213839322U - Coupling with buffer function

Info

Publication number: CN213839322U
Application number: CN202022645353.0U
Authority: CN
Inventors: 张俊文; 张海中; 李念
Original assignee: Suzhou Gehuang Precision Machinery Technology Co ltd
Current assignee: Suzhou Gehuang Precision Machinery Technology Co ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-07-30
Anticipated expiration: 2030-11-16

Abstract

The utility model discloses a coupler with buffer function, which comprises two couplers and a coupling sleeve for connecting the two couplers, wherein one coupler of the two couplers is sleeved on a driving shaft, the other coupler is sleeved on a driven shaft, a transmission block is arranged between the two couplers, and the couplers comprise two semicircular rings with the same structure; the semi-circular ring body is provided with a mounting groove, the transmission block is installed in the mounting groove, the transmission block is provided with a plurality of clamping blocks which are evenly distributed, the semi-circular ring body is provided with clamping grooves corresponding to the clamping blocks, the side walls of the clamping grooves are provided with grooves, and the bottom surfaces of the grooves and the clamping blocks are provided with buffer springs. The utility model discloses a torsion between buffer spring and the elastic buffer piece buffering driving shaft and the driven shaft guarantees the life of shaft coupling.

Description

Coupling with buffer function

Technical Field

The utility model belongs to the technical field of the shaft coupling, especially, relate to a shaft coupling with buffer function.

Background

The coupler is a transmission connecting device commonly used in production and life, and is a mechanical part used for connecting two shafts (a driving shaft and a driven shaft) in different mechanisms so as to enable the two shafts to rotate together to transmit torque; the coupling is connected with the driving shaft and the driven shaft respectively, and the general power is transmitted by being connected with the working machine by means of the coupling.

In the high-speed heavy-load power transmission, the coupler is often subjected to instantaneous impact and vibration to a certain extent, but the coupler is usually broken or dislocated at a certain moment when power equipment is started in practical application, because when the equipment is started, particularly at the moment when the equipment is started, the coupler is suddenly subjected to a huge load impact, and stress concentration occurs at certain parts, so that damage is caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides a shaft coupling with buffer function, through buffer spring and the torsion between elastic buffer piece buffering driving shaft and the driven shaft, guarantees the life of shaft coupling.

In order to solve the technical problem, the utility model discloses a technical scheme be: a coupler with a buffering function comprises two couplers and a coupling sleeve for connecting the two couplers, wherein one coupler of the two couplers is sleeved on a driving shaft, the other coupler of the two couplers is sleeved on a driven shaft, a transmission block is arranged between the two couplers, and the couplers comprise two semi-circular rings with the same structure;

the semi-circular ring body is provided with a mounting groove, the transmission block is mounted in the mounting groove, the transmission block is provided with a plurality of clamping blocks which are uniformly distributed, the semi-circular ring body is provided with clamping grooves corresponding to the clamping blocks, the side walls of the clamping grooves are provided with grooves, and buffer springs are arranged between the bottom surfaces of the grooves and the clamping blocks;

the coupling sleeve comprises two semi-ring sleeves with the same structure, two ends of the inner surface of each semi-ring sleeve are provided with 2 protruding clamping strips, and the outer surfaces of the two connectors are provided with concave rings matched with the clamping strips.

Furthermore, the driving shaft and the driven shaft are provided with a circle of positioning columns, and the inner surfaces of the two couplers are respectively provided with positioning holes matched with the positioning columns.

Furthermore, one side of each half ring is hinged, and the other side of each half ring is connected through a bolt.

Furthermore, an elastic buffer layer is arranged on the surface of the fixture block.

Furthermore, the elastic buffer layer is a rubber buffer layer or a silica gel buffer layer.

Furthermore, the elastic buffer layer and the transmission block are integrally formed.

The beneficial effects of the utility model are that following several points have at least:

the transmission block of the utility model is provided with a plurality of clamping blocks which are evenly distributed, the semicircular ring body is provided with a clamping groove corresponding to the clamping blocks, the side wall of the clamping groove is provided with a groove, a buffer spring is arranged between the bottom surface of the groove and the clamping blocks, and preferably, the surface of the clamping block is provided with an elastic buffer layer, thereby buffering the torsion between the driving shaft and the driven shaft and ensuring the service life of the shaft coupling;

the utility model discloses an internal surface both ends of half ring cover are equipped with 2 bellied card strips, and the surface of two couplers all is equipped with and blocks a assorted concave circle to fix two couplers through half ring cover.

Drawings

FIG. 1 is an exploded schematic view of the present invention;

fig. 2 is a schematic structural diagram of the present invention;

FIG. 3 is a schematic structural view of the semicircular ring body of the present invention;

FIG. 4 is a schematic structural view of the driving block of the present invention;

the parts in the drawings are marked as follows:

the driving shaft 1, the positioning column 11, the driven shaft 2, the semicircular ring body 31, the mounting groove 311, the clamping groove 312, the groove 313, the transmission block 32, the clamping block 321, the elastic buffer layer 322, the buffer spring 33, the concave ring 34, the positioning hole 35, the semicircular sleeve 41, the clamping strip 411 and the bolt 42.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Example (b): a coupler with a buffering function comprises two couplers and a coupling sleeve for connecting the two couplers, wherein one coupler of the two couplers is sleeved on a driving shaft 1, the other coupler of the two couplers is sleeved on a driven shaft 2, a transmission block 32 is arranged between the two couplers, and the couplers comprise two semicircular ring bodies 31 with the same structure;

the semi-circular ring body 31 is provided with an installation groove 311, the transmission block 32 is installed in the installation groove 311, the transmission block 32 is provided with a plurality of clamping blocks 321 which are uniformly distributed, the semi-circular ring body 31 is provided with clamping grooves 312 corresponding to the clamping blocks 321, the side walls of the clamping grooves 312 are provided with grooves 313, and a buffer spring 33 is arranged between the bottom surface of each groove 313 and each clamping block 321;

the coupling sleeve comprises two semi-ring sleeves 41 with the same structure, two ends of the inner surface of each semi-ring sleeve 41 are provided with 2 protruding clamping strips 411, and the outer surfaces of the two connectors are provided with concave rings 34 matched with the clamping strips 411.

The driving shaft 1 and the driven shaft 2 are both provided with a circle of positioning columns 11, and the inner surfaces of the two couplers are respectively provided with positioning holes 35 matched with the positioning columns 11.

One side of each of the half loops 41 is hinged, and the other side of each of the half loops 41 is connected by a bolt 42.

The surface of the latch 321 is provided with an elastic buffer layer 322.

The elastic buffer layer 322 is a rubber buffer layer or a silica gel buffer layer.

The elastic buffer layer 322 and the transmission block 32 are integrally formed.

The working principle of the utility model is as follows: one of the two couplers is sleeved on the driving shaft, the other coupler is sleeved on the driven shaft, the positioning column is clamped into the positioning hole, the buffer spring and the transmission block are arranged in the mounting groove of the coupler, the semi-ring sleeve is sleeved on the two couplers, the clamping strip of the semi-ring sleeve is clamped into the concave ring, the bolt is screwed up to fix the couplers, and the torsion between the driving shaft and the driven shaft is buffered through the buffer spring and the elastic buffer block, so that the service life of the coupler is ensured.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the same principle as the present invention.

Claims

1. A shaft coupling with buffer function which characterized in that: the connecting device comprises two couplers and a connecting sleeve for connecting the two couplers, wherein one coupler of the two couplers is sleeved on a driving shaft (1), the other coupler of the two couplers is sleeved on a driven shaft (2), a transmission block (32) is arranged between the two couplers, and the couplers comprise two semicircular ring bodies (31) with the same structure;

the semi-circular ring body is provided with a mounting groove (311), the transmission block is mounted in the mounting groove, the transmission block is provided with a plurality of clamping blocks (321) which are uniformly distributed, the semi-circular ring body is provided with clamping grooves (312) corresponding to the clamping blocks, the side wall of each clamping groove is provided with a groove (313), and a buffer spring (33) is arranged between the bottom surface of each groove and each clamping block;

the coupling sleeve comprises two half-ring sleeves (41) with the same structure, two ends of the inner surface of each half-ring sleeve are provided with 2 protruding clamping strips (411), and the outer surfaces of the two connectors are provided with concave rings (34) matched with the clamping strips.

2. The coupler with a damping function according to claim 1, wherein: the driving shaft and the driven shaft are both provided with a circle of positioning columns (11), and the inner surfaces of the two couplers are respectively provided with positioning holes (35) matched with the positioning columns.

3. The coupler with a damping function according to claim 1, wherein: one side of each half ring sleeve is hinged, and the other side of each half ring sleeve is connected through a bolt (42).

4. The coupler with a damping function according to claim 1, wherein: the surface of the fixture block is provided with an elastic buffer layer (322).

5. The coupler with a damping function according to claim 4, wherein: the elastic buffer layer is a rubber buffer layer or a silica gel buffer layer.

6. The coupler with a damping function according to claim 4, wherein: the elastic buffer layer and the transmission block are integrally formed.