CN212479931U

CN212479931U - Diaphragm coupling

Info

Publication number: CN212479931U
Application number: CN202020621981.2U
Authority: CN
Inventors: 刘道华
Original assignee: Anhui Changfan Automation Equipment Co ltd
Current assignee: Anhui Changfan Automation Equipment Co ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2021-02-05
Anticipated expiration: 2030-04-23

Abstract

The utility model discloses a diaphragm coupling relates to the technical field of shaft coupling, including the intermediate shaft coupling body, evenly be provided with four second locating holes that run through the intermediate shaft coupling body on the intermediate shaft coupling body, the position that two planes of intermediate shaft coupling body correspond the second locating hole is provided with the second boss respectively, the second locating hole runs through the second boss, two planes of intermediate shaft coupling body are provided with first shaft coupling body and second shaft coupling body respectively, be provided with first diaphragm between first shaft coupling body and the intermediate shaft coupling body, be provided with the second diaphragm between second shaft coupling body and the intermediate shaft coupling body, first shaft coupling body is the same with second shaft coupling body structure; the utility model has the advantages of convenient use, strong stability, long service life and the like.

Description

Diaphragm coupling

Technical Field

The utility model relates to a technical field of shaft coupling, in particular to diaphragm shaft coupling.

Background

Several groups of diaphragms (stainless steel sheets) are connected with the two half couplers in a staggered mode through bolts, each group of diaphragms is formed by stacking a plurality of diaphragms, and the diaphragms are divided into connecting rod type diaphragms and integral type diaphragms with different shapes; the diaphragm coupling compensates the relative displacement of the two shafts by the elastic deformation of the diaphragm, is a high-performance flexible coupling of a metal strong element, does not need lubricating oil, has the characteristics of compact structure, high strength, long service life, no rotating clearance, no influence of temperature and oil dirt, acid resistance, alkali resistance and corrosion resistance, and is suitable for shafting transmission in high-temperature, high-speed and corrosive medium working conditions.

The gasket of the diaphragm coupling in the prior art usually exists independently, the installation process is complex, the requirement for the gasket is increased by the single gasket, the friction surface is increased when the single gasket is used, and the service life of the gasket is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a diaphragm shaft coupling is provided for there is the problem that the installation is complicated, gasket life is short in the gasket that exists alone among the prior art of description in the solution background art.

In order to achieve the above object, the present invention provides the following technical solutions: a diaphragm coupling comprises an intermediate coupling body, wherein four second positioning holes penetrating through the intermediate coupling body are uniformly formed in the intermediate coupling body, second bosses are respectively arranged at positions, corresponding to the second positioning holes, of two planes of the intermediate coupling body, the second positioning holes penetrate through the second bosses, a first coupling body and a second coupling body are respectively arranged on the two planes of the intermediate coupling body, a first diaphragm is arranged between the first coupling body and the intermediate coupling body, a second diaphragm is arranged between the second coupling body and the intermediate coupling body, the first coupling body and the second coupling body have the same structure, two first positioning holes penetrating through the first coupling body and two threaded holes penetrating through the first coupling body are formed in the first coupling body, the two first positioning holes and the two threaded holes are arranged in a rectangular shape, the positions of the first positioning holes and the threaded holes are staggered, the two first positioning holes and the two threaded holes respectively correspond to the four second positioning holes, the first bosses are respectively arranged on the first coupling body at the positions corresponding to the second bosses, the threaded hole and the first positioning hole respectively penetrate through the first boss, first through holes penetrating through the first membrane are respectively arranged on the first membrane corresponding to the positions of the second positioning holes, second through holes penetrating through the second membrane are respectively arranged on the second membrane corresponding to the second positioning holes, the first coupling body and the second coupling body connect the first diaphragm, the middle coupling body and the second diaphragm through four bolts, the first boss and the first coupler body are manufactured integrally, and the intermediate coupler body and the second boss are manufactured integrally.

Preferably: the bolt comprises a screw rod, and a bolt head is arranged at one end of the screw rod.

Preferably: the two screw rods sequentially penetrate through a first positioning hole, a first through hole, a second positioning hole and a second through hole in the first coupler and are connected with a threaded hole in the second coupler through threads; the other two screws sequentially penetrate through the first positioning hole, the second through hole, the second positioning hole and the first through hole in the second coupler and are connected with the threaded holes in the first coupler through threads; and one end of the screw rod, which is far away from the bolt head, is connected with the nut.

Preferably: one end of the first positioning hole, which is far away from the first boss, is provided with a first hidden groove used for hiding the bolt head.

Preferably: one end of the threaded hole, far away from the first boss, is provided with a second hiding groove used for hiding the nut.

The beneficial effect of adopting above technical scheme is:

according to the coupling, the first boss and the second boss are integrated on the first coupling body and the second coupling body, and the second boss is integrated on the intermediate coupling body, so that the shaking of a traditional independent gasket in use is avoided, the friction is reduced, and the service life is prolonged; the first coupler body and the second coupler body are connected with the middle coupler body through the screw, the stability of connection is enhanced through the nuts, and the service life of the coupler is prolonged;

the bolt head is hidden through setting up the first groove of hiding still, hides the nut through setting up the second groove of hiding for the structure of this application is succinct.

Drawings

Fig. 1 is a front view of the diaphragm coupling of the present invention.

Fig. 2 is a schematic structural diagram of the diaphragm coupling of the present invention.

Fig. 3 is a left side view of the first coupling body of the present invention.

Fig. 4 is a cross-sectional view taken at B-B of fig. 3 according to the present invention.

Fig. 5 is a schematic structural diagram of a part of the components of the present invention.

Fig. 6 is a schematic structural view of the bolt of the present invention.

Wherein: the coupler comprises a first coupler body 10, a first boss 11, a first hidden groove 12, a first positioning hole 13, a second hidden groove 14, a threaded hole 15, a second coupler body 20, an intermediate coupler body 30, a second boss 31, a second positioning hole 32, a first diaphragm 40, a first through hole 41, a second diaphragm 50, a second through hole 51, a screw rod 60, a bolt head 61 and a nut 62.

Detailed Description

Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

An embodiment, as shown in fig. 1 to 6, in this embodiment, a diaphragm coupling includes an intermediate coupling body 30, four second positioning holes 32 penetrating through the intermediate coupling body 30 are uniformly formed in the intermediate coupling body 30, second bosses 31 are respectively disposed at positions, corresponding to the second positioning holes 32, of two planes of the intermediate coupling body 30, the second positioning holes 32 penetrate through the second bosses 31, first coupling bodies 10 and second coupling bodies 20 are respectively disposed on two planes of the intermediate coupling body 30, a first diaphragm 40 is disposed between the first coupling body 10 and the intermediate coupling body 30, second diaphragms 50 are disposed between the second coupling body 20 and the intermediate coupling body 30, the first coupling body 10 and the second coupling body 20 have the same structure, and two first positioning holes 13 penetrating through the first coupling body 10 are disposed on the first coupling body 10, The two first positioning holes 13 and the two threaded holes 15 are arranged in a rectangular shape, the first positioning holes 13 are staggered with the threaded holes 15, the two first positioning holes 13 and the two threaded holes 15 correspond to the four second positioning holes 32 respectively, first bosses 11 are arranged on the first coupler body 10 corresponding to the second bosses 31 respectively, the threaded holes 15 and the first positioning holes 13 penetrate through the first bosses 11 respectively, first through holes 41 penetrating through the first diaphragm are arranged on the first diaphragm 40 corresponding to the second positioning holes 32 respectively, second through holes 51 penetrating through the second diaphragm 50 are arranged on the second diaphragm 50 corresponding to the second positioning holes 32 respectively, and the first coupler body 10 and the second coupler body 20 enable the first diaphragm 40 and the intermediate coupler body 30 to be connected through four bolts, The second diaphragm 50 is connected, wherein the first boss 11 is integrally manufactured with the first coupling body 10, and the intermediate coupling body 30 is integrally manufactured with the second boss 31.

Preferably: the bolt comprises a screw rod 60, and one end of the screw rod 60 is provided with a bolt head 61.

Preferably: two of the screws 60 sequentially penetrate through the first positioning hole 13, the first through hole 41, the second positioning hole 32 and the second through hole 51 on the first coupling 10 and are in threaded connection with the threaded holes on the second coupling 20; the other two screws 60 sequentially penetrate through the first positioning hole 13, the second through hole 51, the second positioning hole 32 and the first through hole 41 on the second coupling 20 and are in threaded connection with the threaded holes 15 on the first coupling 10; the end of the screw 60 remote from the bolt head 61 is connected to a nut 62.

Preferably: the first positioning hole 13 is provided with a first hiding groove 12 at an end far away from the first boss 11, and the first hiding groove 12 is used for hiding the bolt head 61.

Preferably: and a second hiding groove 14 is formed in one end, far away from the first boss 11, of the threaded hole 15, and the second hiding groove 14 is used for hiding the nut 62.

The specific implementation manner of this embodiment:

when the hidden type screw bolt is used, a screw rod 60 of the bolt sequentially passes through the first hidden groove 12, the first positioning hole 13, the first through hole 41, the second positioning hole 32 and the second through hole 51 and is in threaded connection with the threaded hole 15, and a nut 62 is placed in the second hidden groove 14, so that the screw rod 60 is connected with the nut 62, and the nut 62 is positioned in the second hidden groove 14; compared with the traditional gasket, the friction surface can be effectively reduced, and the service life of the coupler is prolonged by integrally manufacturing the first boss 11 and the first coupler body 10, integrally manufacturing the first boss 11 and the second coupler body 20, and integrally manufacturing the second boss 31 and the intermediate coupler body 30;

the first coupling body 10, the first diaphragm 40, the intermediate coupling body 30, the second diaphragm 50 and the second coupling body 20 can be stably connected together through the arranged bolts.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the inventive concept, and all of them belong to the protection scope of the present invention.

Claims

1. A diaphragm coupling, characterized by: the middle coupling comprises a middle coupling body, wherein four second positioning holes penetrating through the middle coupling body are uniformly formed in the middle coupling body, second bosses are respectively arranged at positions, corresponding to the second positioning holes, of two planes of the middle coupling body, the second positioning holes penetrate through the second bosses, a first coupling body and a second coupling body are respectively arranged on the two planes of the middle coupling body, a first diaphragm is arranged between the first coupling body and the middle coupling body, a second diaphragm is arranged between the second coupling body and the middle coupling body, the first coupling body and the second coupling body are identical in structure, two first positioning holes penetrating through the first coupling body and two threaded holes penetrating through the first coupling body are formed in the first coupling body, and the two first positioning holes and the two threaded holes are arranged in a rectangular shape, the first positioning holes and the threaded holes are staggered in position, the two first positioning holes and the two threaded holes correspond to four second positioning holes respectively in position, first bosses are arranged on the first coupler body in positions corresponding to the second bosses respectively, the threaded holes and the first positioning holes penetrate through the first bosses respectively, first through holes penetrating through the first diaphragm are arranged on the first diaphragm in positions corresponding to the second positioning holes respectively, second through holes penetrating through the second diaphragm are arranged on the second diaphragm in positions corresponding to the second positioning holes respectively, the first coupler body and the second coupler body are connected with the first diaphragm, the intermediate coupler body and the second diaphragm through four bolts, the first bosses and the first coupler body are manufactured integrally, and the intermediate coupler body and the second bosses are manufactured integrally.

2. A diaphragm coupling according to claim 1, wherein the bolt comprises a threaded rod, one end of which is provided with a bolt head.

3. The diaphragm coupling of claim 2, wherein two of the screws sequentially pass through the first positioning hole, the first through hole, the second positioning hole, and the second through hole of the first coupling and are in threaded connection with the threaded holes of the second coupling; the other two screws sequentially penetrate through the first positioning hole, the second through hole, the second positioning hole and the first through hole in the second coupler and are connected with the threaded holes in the first coupler through threads; and one end of the screw rod, which is far away from the bolt head, is connected with the nut.

4. A diaphragm coupling according to claim 3 wherein the first locating hole is provided with a first concealing slot at an end thereof remote from the first boss, the first concealing slot being adapted to conceal the bolt head.

5. The diaphragm coupling of claim 4, wherein a second hidden groove is formed in one end of the threaded hole, which is far away from the first boss, and the second hidden groove is used for hiding the nut.