CN211343782U

CN211343782U - Double-diaphragm clamping coupler

Info

Publication number: CN211343782U
Application number: CN201922054861.9U
Authority: CN
Inventors: 任凤群
Original assignee: Tianjin Renchuang Precision Machinery Co Ltd
Current assignee: Tianjin Renchuang Precision Machinery Co Ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-08-25
Anticipated expiration: 2029-11-25

Abstract

The utility model relates to the technical field of rotating couplings, and discloses a double-diaphragm clamping coupling, which comprises a coupling I, wherein the surface of the coupling I is provided with a step hole I, the inner part of the step hole I is sleeved with a bolt I, one end of the coupling I is provided with a threaded hole I, the inner part of the threaded hole I is sleeved with a screw, the surface of the screw is sleeved with a first buffer washer, the other end of the first buffer washer is movably connected with a diaphragm I, the driving shaft and the driven shaft which are continuously operated are connected with the coupling I and the coupling II to generate application force, the diaphragm I and the diaphragm II are continuously slightly deformed and twisted to change along with the change of the coupling I and the coupling II, the application force is continuously absorbed by the buffer washer in the diaphragm I and the diaphragm II to reduce the application force born by the diaphragm I and the diaphragm I, and the fatigue damage of the diaphragm I and the diaphragm II is reduced, the service life is prolonged, and the economic cost is reduced.

Description

Double-diaphragm clamping coupler

Technical Field

The utility model relates to a rotation shaft coupling technical field specifically is a tight shaft coupling of double diaphragm clamp.

Background

The double-diaphragm coupling compensates the relative displacement of the two coupled shafts by the elastic deformation of the diaphragm, is a high-performance metal strong element flexible coupling, does not need lubricating oil, has a compact structure, high strength, long service life, no rotating clearance, is not influenced by temperature and oil dirt, has the characteristics of acid resistance, alkali resistance and corrosion resistance, is suitable for shafting transmission in high temperature, high speed and corrosive medium working condition environment, and still has the following problems in the using process:

when angular displacement and axial displacement exist between the high-temperature fan of the power machine and the working machine, the diaphragm in the diaphragm coupling for connecting the power machine and the working machine can generate additional stress, and when the diaphragm coupling is in a high-speed operation state or a repeated positive and negative rotation state, the diaphragm bears the effect of alternating stress, so that fatigue damage is easy to generate, the service life is prolonged, the diaphragm needs to be frequently replaced, and the economic cost is increased.

Therefore, the inventor researches and improves the defects of the prior structure and provides a double-diaphragm clamping coupling.

SUMMERY OF THE UTILITY MODEL

The not enough of diaphragm coupling diaphragm fragile on the market, the utility model provides a tight shaft coupling of double diaphragm clamp possesses the advantage that reduces the diaphragm and damage increase shaft coupling life, has solved the diaphragm and has damaged reduction life, increases economic cost's problem.

The utility model provides a following technical scheme: a double-diaphragm clamping coupler comprises a coupler I, a stepped hole I is formed in the surface of the coupler I, a bolt I is movably sleeved in the stepped hole I, a threaded hole I is formed in one end of the coupler I, a screw is movably sleeved in the threaded hole I, a first buffer washer is movably sleeved on the surface of the screw, a diaphragm I is movably connected to the other end of the first buffer washer, a second buffer washer is movably connected to the other end of the diaphragm I, a buffer block is movably connected to the other end of the second buffer washer, a third buffer washer is movably connected to the other end of the buffer block, a diaphragm II is movably connected to the other end of the third buffer washer, a fourth buffer washer is movably connected to the other end of the diaphragm II, a coupler II is movably connected to the other end of the fourth buffer washer, a stepped hole II is formed in the surface of the coupler II, and a bolt II is, the other end of the coupler II is provided with a threaded hole II, and a nut is movably sleeved in the threaded hole II.

Preferably, the middle part of one end of the coupler I is provided with a circular through hole.

Preferably, the outer wall of the screw extending to the inner part of the threaded hole II is movably sleeved with the screw cap.

Preferably, the surface of the diaphragm I is provided with a circular through hole, and the inside of the circular through hole is movably fixedly sleeved with a stress reduction ring.

Preferably, horizontal cutting grooves and vertical cutting grooves are formed in the surfaces of the coupler I and the coupler II, and the horizontal cutting grooves and the vertical cutting grooves are perpendicular to each other and intersect with each other.

Preferably, the diaphragm I and the diaphragm II are composed of a plurality of single sheets, and the single sheets are made of stainless steel thin plates.

With the fragile contrast of diaphragm coupling diaphragm on the market, the utility model discloses possess following beneficial effect:

this tight shaft coupling of two diaphragm clamps, through connecting driving shaft coupling I, in the driven shaft coupling II, constantly moving driving shaft and driven shaft produce the application force, diaphragm I and diaphragm II constantly take place to warp slightly and twist reverse and change along with shaft coupling I and shaft coupling II, reduce the application force that the stress ring reduces diaphragm I and bears in diaphragm I and diaphragm II's inside constantly absorption application force, reduce diaphragm I and diaphragm II's fatigue damage, increase life, reduce economic cost.

Drawings

FIG. 1 is a schematic view of the appearance structure of the present invention;

fig. 2 is a schematic structural view of a coupling II of the present invention;

fig. 3 is a schematic structural diagram of the membrane I of the present invention.

In the figure: 1. a coupler I; 2. a stepped hole I; 3. a bolt I; 4. a threaded hole I; 5. a screw; 6. A first cushion washer; 7. a membrane I; 71. a circular through hole; 72. a stress reducing ring; 8. a second cushion washer; 9. a buffer block; 10. a third cushion washer; 11. a membrane II; 12. a fourth cushion washer; 13. a coupler II; 14. a stepped bore II; 15. a bolt II; 16. a threaded hole II; 17. and (4) a nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a double-diaphragm clamping coupling comprises a coupling I1, a step hole I2 is formed on the surface of a coupling I1, a bolt I3 is movably sleeved inside the step hole I2, when the driving shaft is connected, a tightening bolt I3 can be connected with driving shafts with different diameters to adapt to different conditions, a threaded hole I4 is formed at one end of the coupling I1, a screw 5 is movably sleeved inside the threaded hole I4, a first cushion washer 6 is movably sleeved on the surface of the screw 5 to reduce the force generated during rotation, a diaphragm I7 is movably connected to the other end of the first cushion washer 6 to play a role in protection and have certain anti-torque deformation capacity, a second cushion washer 8 is movably connected to the other end of the diaphragm I7, a cushion block 9 is movably connected to the other end of the second cushion washer 8 to absorb the force generated during rotation or displacement, and a third cushion washer 10 is movably connected to the other end of the cushion block 9, third cushion ring 10's other end swing joint has diaphragm II11, play the guard action, certain anti moment of torsion deformability has, the various moments of torsion of adaptation that can be better, diaphragm II 11's other end swing joint has fourth cushion ring 12, the other end swing joint of fourth cushion ring 12 has shaft coupling II13, step hole II14 has been seted up on shaft coupling II 13's surface, step hole II 14's inside activity has cup jointed bolt II15, threaded hole II16 has been seted up to shaft coupling II 13's the other end, threaded hole II 16's inside activity has cup jointed nut 17.

Wherein, the middle part of shaft coupling I1 one end is seted up circular through-hole, connects the access of driving shaft.

Wherein, the outer wall that screw 5 extended to screw hole II16 inside cup joints with nut 17 activity, runs through whole apparatus, and each original paper of better fixing keeps higher stability.

The surface of the diaphragm I7 is provided with a circular through hole 71, the stress reducing ring 72 is movably fixedly sleeved in the circular through hole 71, stress generated when an instrument rotates is absorbed, fatigue wear of the diaphragm I7 and the diaphragm II11 caused by torque is reduced, and the service life is prolonged.

Horizontal cutting grooves and vertical cutting grooves are formed in the surfaces of the coupler I1 and the coupler II13, the horizontal cutting grooves and the vertical cutting grooves are perpendicular to each other and intersect with each other, the screwing degree of the bolt I3 is increased, the device is suitable for different instruments, and the using universality is increased.

The diaphragm I7 and the diaphragm II11 are composed of a plurality of single sheets, and the single sheets are made of stainless steel sheets, are not affected by temperature and oil stains, and have the characteristics of acid resistance, alkali resistance and corrosion resistance.

The working principle is as follows: when the diaphragm I7 and II11 stress reduction ring 72 is used, the driving shaft is connected with the coupler I1, the driven shaft is connected with the coupler II13, the driving shaft and the driven shaft which continuously run generate application force, the diaphragm I7 and the diaphragm II11 continuously slightly deform and twist and change along with the change of the coupler I1 and the coupler II13, and the application force borne by the diaphragm I7 and the diaphragm II11 is reduced by continuously absorbing the application force in the diaphragm I7 and the diaphragm II11 through the stress reduction ring 72.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Also in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the equipment or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In addition, in the drawings of the present invention, the filling pattern is only for distinguishing the pattern layer, and is not limited to any other pattern.

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

Claims

1. A double-diaphragm clamping coupler comprises a coupler I (1), and is characterized in that: the surface of a coupler I (1) is provided with a step hole I (2), a bolt I (3) is movably sleeved in the step hole I (2), one end of the coupler I (1) is provided with a threaded hole I (4), a screw (5) is movably sleeved in the threaded hole I (4), a first buffer washer (6) is movably sleeved on the surface of the screw (5), the other end of the first buffer washer (6) is movably connected with a diaphragm I (7), the other end of the diaphragm I (7) is movably connected with a second buffer washer (8), the other end of the second buffer washer (8) is movably connected with a buffer block (9), the other end of the buffer block (9) is movably connected with a third buffer washer (10), the other end of the third buffer washer (10) is movably connected with a diaphragm II (11), the other end of the diaphragm II (11) is movably connected with a fourth buffer washer (12), the other end swing joint of fourth cushion ring (12) has shaft coupling II (13), and step hole II (14) have been seted up on the surface of shaft coupling II (13), and the inside activity of step hole II (14) has cup jointed bolt II (15), and threaded hole II (16) have been seted up to the other end of shaft coupling II (13), and the inside activity of threaded hole II (16) has cup jointed nut (17).

2. A dual diaphragm clamping coupling according to claim 1 wherein: the middle part of one end of the coupler I (1) is provided with a circular through hole.

3. A dual diaphragm clamping coupling according to claim 1 wherein: the outer wall of the screw (5) extending to the inner part of the threaded hole II (16) is movably sleeved with a screw cap (17).

4. A dual diaphragm clamping coupling according to claim 1 wherein: the surface of the diaphragm I (7) is provided with a circular through hole (71), and the inside of the circular through hole (71) is movably and fixedly sleeved with a stress reduction ring (72).

5. A dual diaphragm clamping coupling according to claim 1 wherein: horizontal cutting grooves and vertical cutting grooves are formed in the surfaces of the coupler I (1) and the coupler II (13), and the horizontal cutting grooves and the vertical cutting grooves are perpendicular to each other and are intersected.

6. A dual diaphragm clamping coupling according to claim 1 wherein: the diaphragm I (7) and the diaphragm II (11) are composed of a plurality of single sheets, and the single sheets are made of stainless steel sheets.