CN216642860U

CN216642860U - Elastic coupling centering structure

Info

Publication number: CN216642860U
Application number: CN202122895360.0U
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: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-05-31
Anticipated expiration: 2031-11-24

Abstract

The utility model discloses an elastic coupling centering structure which comprises a first coupling half and a second coupling half, wherein the second coupling half is arranged on one side of the first coupling half, a bolt penetrates through the interior of the first coupling half and the second coupling half, and a nut is arranged on one side of the exterior of the bolt. This elastic coupling centering structure is through one side fixedly connected with hexagonal centering sleeve of first half-coupling, when first half-coupling and second half-coupling equipment, hexagonal centering sleeve on the first half-coupling can insert the hexagonal centering inslot portion of second half-coupling one side earlier and center in advance, later recycle bolt and nut and lock, adopt such centering package assembly can strengthen the stability of equipment between first half-coupling and the second half-coupling greatly, vibrations and abnormal sound are difficult to appear, the solution is only centering through bolt and nut, the relatively poor problem of stability.

Description

Elastic coupling centering structure

Technical Field

The utility model relates to the technical field of elastic couplings, in particular to a centering structure of an elastic coupling.

Background

The elastic coupling is a shaft coupling device, mainly transmit the torque produced by prime mover to the apparatus of the driven machine, divide into two kinds, spiral groove type and parallel groove type, is used in the large-scale apparatus such as steel rolling, jack-up, forging and pressing, petroleum and other various mechanical equipment drive the shaft end to connect extensively, the centering structure of the elastic coupling is only centered through the bolt nut at present, the stability is poorer; the centering precision is not high, and the structural strength is poor; the interior of the box is easily damaged from overlooking because the box is not provided with a waterproof and dustproof structure; a novel elastic coupling centering structure is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a centering structure of an elastic coupling, which aims to solve the problem that the centering is performed only through bolts and nuts and the stability is poor in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an elastic coupling centering structure, includes first half-coupling and second half-coupling, the second half-coupling sets up the one side at first half-coupling, it has the bolt to run through between the inside of first half-coupling and second half-coupling, the outside one side of bolt is provided with the nut, be provided with elastic diaphragm between one side of first half-coupling and one side of second half-coupling, one side fixedly connected with hexagonal centering sleeve of first half-coupling, hexagonal centering groove has been seted up to the inside of second half-coupling one side, be provided with waterproof dustproof construction between the outside one side of first half-coupling and the outside one side of second half-coupling, waterproof dustproof construction includes annular separation blade, annular piece and slot.

Preferably, the annular blocking piece is fixedly connected to one side of the outer portion of the first half coupling, the annular block is fixedly connected to one side of the outer portion of the second half coupling, and the slot is formed in the annular block.

Preferably, the thickness of the annular blocking piece is smaller than the width of the inside of the slot, and one side of the annular blocking piece is inserted into the inside of the slot.

Preferably, the outer diameter of the hexagonal centering sleeve is smaller than the inner diameter of the hexagonal centering groove, and the hexagonal centering sleeve is embedded in the hexagonal centering groove.

Preferably, the hexagonal centering sleeve is made of alloy steel, and an alloy steel layer is arranged on the inner side wall of the hexagonal centering groove.

Preferably, six groups of bolts penetrating between the first half coupling and the second half coupling are arranged and distributed in an annular shape at equal intervals.

Compared with the prior art, the utility model has the beneficial effects that: the elastic coupling centering structure not only realizes that a preset centering structure is additionally arranged on the basis of centering through the bolt and the nut, has high stability and high centering precision, but also has strong structural strength, realizes a waterproof and dustproof structure, and is not easy to overlook and damage inside;

(1) the hexagonal centering sleeve is fixedly connected to one side of the first half coupler, the hexagonal centering groove is formed in one side of the second half coupler, the outer diameter of the hexagonal centering sleeve is smaller than the inner diameter of the hexagonal centering groove, the hexagonal centering sleeve is embedded in the hexagonal centering groove, when the first half coupler and the second half coupler are assembled, the hexagonal centering sleeve on the first half coupler is firstly inserted into the hexagonal centering groove on one side of the second half coupler to be centered in advance, and then the first half coupler and the second half coupler are locked by using a bolt and a nut, so that the stability of assembly between the first half coupler and the second half coupler can be greatly enhanced by adopting the centering assembly structure, and vibration and abnormal sound are not easy to occur;

(2) The hexagonal centering sleeve is made of alloy steel, the alloy steel layer is arranged on the inner side wall of the hexagonal centering groove, and the hexagonal centering sleeve made of the alloy steel directly contacts with the alloy steel layer in the hexagonal centering groove, so that the preset centering precision can be ensured, abrasion is not easy to occur, and the structural strength is ensured;

(3) through annular separation blade fixed connection in the outside one side of first half-coupling, annular piece fixed connection is in the outside one side of second half-coupling, the inside of annular piece is provided with the slot, when using, after first half-coupling and second half-coupling are connected, the inside of slot can be inserted to one side of annular separation blade, annular separation blade can get up the seam protection between first half-coupling and the second half-coupling, avoid the subassembly of dust and water pollution seam to send its damage, prolong this shaft coupling centering structure's life.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

fig. 4 is a side view of the second coupling half structure of the present invention.

In the figure: 1. a first half coupling; 2. a hexagonal centering groove; 3. a second coupling half; 4. an alloy steel layer; 5. an elastic diaphragm; 6. a hexagonal centering sleeve; 7. a bolt; 8. a nut; 9. an annular baffle plate; 10. a ring block; 11. and (4) a slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Example 1: referring to fig. 1-4, an elastic coupling centering structure comprises a first coupling half 1 and a second coupling half 3, wherein the second coupling half 3 is arranged on one side of the first coupling half 1, a bolt 7 penetrates through the inside of the first coupling half 1 and the second coupling half 3, a nut 8 is arranged on one side of the outside of the bolt 7, an elastic diaphragm 5 is arranged between one side of the first coupling half 1 and one side of the second coupling half 3, a hexagonal centering sleeve 6 is fixedly connected to one side of the first coupling half 1, a hexagonal centering groove 2 is formed in the inside of one side of the second coupling half 3, a waterproof and dustproof structure is arranged between one side of the outside of the first coupling half 1 and one side of the outside of the second coupling half 3, and the waterproof and dustproof structure comprises an annular blocking piece 9, an annular block 10 and a slot 11;

The outer diameter of the hexagonal centering sleeve 6 is smaller than the inner diameter of the hexagonal centering groove 2, the hexagonal centering sleeve 6 is embedded in the hexagonal centering groove 2, six groups of bolts 7 are arranged between the first half coupling 1 and the second half coupling 3, and the six groups of bolts 7 are distributed in an annular shape at equal intervals;

specifically, as shown in fig. 1, 3 and 4, when the first half-coupling 1 and the second half-coupling 3 are assembled, the hexagonal centering sleeve 6 on the first half-coupling 1 is inserted into the hexagonal centering groove 2 on one side of the second half-coupling 3 for pre-centering, and then is locked by the bolt 7 and the nut 8, so that the stability of the assembly between the first half-coupling 1 and the second half-coupling 3 can be greatly enhanced by adopting the centering assembly structure, and vibration and abnormal sound are not easy to occur.

Example 2: the hexagonal centering sleeve 6 is made of alloy steel, and an alloy steel layer 4 is arranged on the inner side wall of the hexagonal centering groove 2;

specifically, as shown in fig. 1 and 4, the hexagonal centering sleeve 6 made of alloy steel directly contacts with the alloy steel layer 4 inside the hexagonal centering groove 2, so that the predetermined centering precision can be ensured, the abrasion is not easy to occur, and the structural strength is ensured.

Example 3: the annular blocking piece 9 is fixedly connected to one side of the outer portion of the first half coupling 1, the annular block 10 is fixedly connected to one side of the outer portion of the second half coupling 3, a slot 11 is formed in the annular block 10, the thickness of the annular blocking piece 9 is smaller than the width of the inner portion of the slot 11, and one side of the annular blocking piece 9 is inserted into the slot 11;

Specifically, as shown in fig. 1, 2 and 3, when in use, after the first coupling half 1 is connected with the second coupling half 3, one side of the annular blocking piece 9 is inserted into the inside of the insertion groove 11, and the annular blocking piece 9 can protect the joint between the first coupling half 1 and the second coupling half 3, so as to prevent dust and water from polluting the joint components and damaging the joint components, and prolong the service life of the coupling centering structure.

The working principle is as follows: when the utility model is used, firstly, when the first half coupling 1 and the second half coupling 3 are assembled, the hexagonal centering sleeve 6 on the first half coupling 1 is firstly inserted into the hexagonal centering groove 2 at one side of the second half coupling 3 for pre-centering, then the bolt 7 and the nut 8 are used for locking, the hexagonal centering sleeve 6 made of alloy steel is directly contacted with the alloy steel layer 4 in the hexagonal centering groove 2, thus the preset centering precision can be ensured, the abrasion is not easy to occur, the structural strength is ensured, the stability of the assembly between the first half coupling 1 and the second half coupling 3 can be greatly enhanced by adopting the centering assembly structure, the vibration and abnormal sound are not easy to occur, after the first half coupling 1 is connected with the second half coupling 3, one side of the annular retaining sheet 9 is inserted into the slot 11, the annular retaining sheet 9 can protect the joint between the first half coupling 1 and the second half coupling 3, the assembly that avoids dust and water pollution seam causes its damage, prolongs this shaft coupling centering structure's life.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An elastic coupling centering structure, comprising a first coupling half (1) and a second coupling half (3), characterized in that: the anti-vibration type coupler is characterized in that the second half coupling (3) is arranged on one side of the first half coupling (1), a bolt (7) penetrates through the inside of the first half coupling (1) and the second half coupling (3), one side of the outside of the bolt (7) is provided with a nut (8), an elastic diaphragm (5) is arranged between one side of the first half coupling (1) and one side of the second half coupling (3), one side of the first half coupling (1) is fixedly connected with a hexagonal centering sleeve (6), a hexagonal centering groove (2) is formed in the inside of one side of the second half coupling (3), a waterproof and dustproof structure is arranged between one side of the outside of the first half coupling (1) and one side of the outside of the second half coupling (3), and the waterproof and dustproof structure comprises an annular blocking piece (9), an annular block (10) and a slot (11).

2. An elastomeric coupling centering structure in accordance with claim 1, wherein: annular separation blade (9) fixed connection is in first half-coupling (1) outside one side, annular piece (10) fixed connection is in second half-coupling (3) outside one side, the inside of annular piece (10) is provided with slot (11).

3. An elastomeric coupling centering structure in accordance with claim 1, wherein: the thickness of the annular blocking piece (9) is smaller than the width of the inside of the slot (11), and one side of the annular blocking piece (9) is inserted into the inside of the slot (11).

4. An elastomeric coupling centering structure in accordance with claim 1, wherein: the outer diameter of the hexagonal centering sleeve (6) is smaller than the inner diameter of the hexagonal centering groove (2), and the hexagonal centering sleeve (6) is embedded in the hexagonal centering groove (2).

5. An elastomeric coupling centering structure in accordance with claim 1, wherein: the hexagonal centering sleeve (6) is made of alloy steel, and an alloy steel layer (4) is arranged on the inner side wall of the hexagonal centering groove (2).

6. An elastomeric coupling centering structure in accordance with claim 1, wherein: the bolt (7) that run through between first half-coupling (1) and second half-coupling (3) are provided with six groups, and six groups of bolt (7) are the annular equidistant distribution.