Metal corrugated pipe coupling

Abstract

The utility model relates to the technical field of mechanical elements, and discloses a metal corrugated pipe coupling which comprises a pipeline mechanism, a connecting mechanism is arranged on the outer side of the pipeline mechanism, and the outer side of the connecting mechanism is fixedly connected with the left side and the right side of the pipeline mechanism respectively. The pipeline mechanism comprises a corrugated pipe outer layer, the corrugated pipe outer layer is made of nickel alloy materials, a corrugated pipe middle layer is fixedly connected to the interior of the corrugated pipe outer layer, the corrugated pipe middle layer is made of stainless steel materials, a corrugated pipe inner layer is fixedly connected to the interior of the corrugated pipe middle layer, and the corrugated pipe inner layer is made of alloy steel materials. According to the metal corrugated pipe coupling, multiple layers of materials are combined into the corrugated pipe through a multi-layer metallurgical bonding technology, it is ensured that all the layers work cooperatively in the torque transmission and displacement compensation process, the relative sliding phenomenon does not exist, and by using different materials in different aspects, the metal corrugated pipe coupling can exert the material performance in the respective aspects; and the comprehensive performance of the coupler is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical element technical field, concretely is a kind of metal bellows coupling. BACKGROUND

[0002] The bellows coupling is directly welded or bonded with two half couplings to transmit movement by thin-walled pipe with corrugated shape, the structure of this coupling is simple, the size is small, and it is easy to process and install, with high transmission accuracy, mainly used in compact structure, high transmission accuracy, small power precision machinery and control mechanism.

[0003] Chinese patent authorized announcement No.CN222436879U discloses the utility model patent with the name of "a kind of metal bellows coupling", including metal bellows body, connecting mechanism and shaft sleeve mechanism, when installing transmission shaft, transmission shaft is sleeved into sleeve joint ring, and the diaphragm on connecting ring is broken and is set in glue groove, glue in glue groove overflows, glue overflows to transmission shaft and connecting ring and sleeve joint ring, transmission shaft and connecting ring and sleeve joint ring are bonded, so that the connection of coupling and shaft is more convenient, glue is easily contacted with air by through slot to accelerate the solidification of glue, when needing to remove transmission shaft, screw down bolt and remove the shaft sleeve mechanism connected by transmission shaft from connecting mechanism, install new shaft sleeve mechanism on connecting mechanism to connect driving shaft with another transmission shaft, when metal bellows body needs to be replaced, only the metal bellows body between shaft sleeve mechanism and the cool connecting mechanism is replaced, and the device is more convenient to maintain and replace by modular design.

[0004] However, the above device still has deficiencies in actual use, under high torque, high-speed operation and other working conditions, only the durability of metal bellows body itself can cause its rapid wear, cause equipment vibration to intensify, transmission accuracy to decline, so there is an urgent need for a metal bellows coupling. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of metal bellows coupling to solve the problems raised in the above background.

[0006] In order to solve the above technical problems, the utility model provides the following technical scheme: a kind of metal bellows coupling, including pipeline mechanism, the outside of the pipeline mechanism is provided with connecting mechanism, the outside of the connecting mechanism is fixedly connected with the left and right sides of pipeline mechanism respectively;

[0007] The pipeline mechanism includes outer layer of bellows, the outer layer of bellows is made of nickel alloy material, the inner fixed connection of the outer layer of bellows has middle layer of bellows, the middle layer of bellows is made of stainless steel material, the inner fixed connection of the middle layer of bellows has inner layer of bellows, the inner layer of bellows is made of alloy steel material.

[0008] Preferably, the surface of the outer layer of the bellows is provided with reinforcing ribs, the outer surface of the outer layer of the bellows is corrugated, and the reinforcing ribs are installed at the wave crests and troughs of the outer surface of the outer layer of the bellows.

[0009] The reinforcing ribs are integrally formed with the metal bellows, and the presence of the reinforcing ribs increases the strength and rigidity of the bellows, so that the bellows is not prone to deformation and fatigue failure when subjected to a large torque and a cyclic load, and the reliability and durability of the shaft coupling are improved.

[0010] Preferably, the connecting mechanism comprises a support plate, the support plate is fixedly connected with the outer end of the outer layer of the bellows, the outer side of the support plate is attached with a connecting plate, the inner part of the support plate is provided with a threaded hole, and the inner part of the connecting plate is threadedly connected with a bolt, and the bolt is matched with the threaded hole.

[0011] Preferably, the outer side of the connecting plate is fixedly connected with a shaft sleeve, and the inner part of the shaft sleeve is provided with a plurality of key grooves.

[0012] Preferably, the outer surface of the shaft sleeve is fixedly connected with a heat dissipation fin, and the heat dissipation fin is matched with the key grooves.

[0013] The heat dissipation fin is matched with the key grooves, is different from the key grooves, and is staggered with each other in position to avoid interference.

[0014] Preferably, the outer end of the shaft sleeve is provided with an annular groove, the outer side of the shaft sleeve is provided with a sealing ring, and the sealing ring is matched with the annular groove.

[0015] Preferably, a plurality of heat dissipation fins are arranged in a ring array around the shaft sleeve.

[0016] The heat dissipation fins can increase the heat dissipation area of the shaft coupling, and the heat generated when the shaft coupling is running at a high speed can be dissipated to the surrounding environment through the heat dissipation fins, so as to reduce the temperature of the shaft coupling, avoid the performance of the material from being reduced due to the excessively high temperature, and improve the working stability of the shaft coupling.

[0017] Compared with the prior art, the utility model has the advantages of:

[0018] First, the utility model discloses, through the metallurgical combination process of multilayer, the corrugated pipe is combined into multilayer material, ensures that each layer cooperates in the process of torque transmission and displacement compensation, and there is no relative sliding phenomenon, wherein the nickel alloy material adopted on the outside of the corrugated pipe has high strength, high elasticity, and this material can make the corrugated pipe have good elastic deformation ability when bearing torque, effectively compensates the relative displacement of two shafts, the middle layer of the corrugated pipe adopts stainless steel material with good corrosion resistance, can prevent the corrugated pipe from being corroded under harsh environment, prolongs its service life, the inner layer of the corrugated pipe adopts alloy steel material with excellent wear resistance, enhances the wear resistance of the surface of the corrugated pipe, reduces the influence of wear on the performance of the corrugated pipe, through the use of different materials in different aspects, can play material performance for respective aspects, combines the advantages of different materials, has high elasticity, high strength, good corrosion resistance and wear resistance, improves the comprehensive performance of the shaft coupling, wherein the reinforcing rib is integrally formed with the metal corrugated pipe, and the existence of the reinforcing rib increases the strength and rigidity of the corrugated pipe, so that the corrugated pipe is not easy to deform and fatigue failure when bearing large torque and cyclic load, and the reliability and durability of the shaft coupling are improved.

[0019] Second, the utility model discloses, the shaft sleeve is connected with the connecting plate through the bolt connection of convenient disassembly, and the setting of the key groove is used for with the key on the shaft cooperation realizes the circumferential fixed, and the heat dissipation fin can increase the heat dissipation area of the shaft coupling, when the shaft coupling is at high speed operation, the heat generated can be dissipated to the surrounding environment through the heat dissipation fin, reduces the temperature of the shaft coupling, avoids the performance of material to decline due to the temperature is too high, thereby improves the working stability of the shaft coupling, wherein the heat dissipation fin is adapted with the key groove, and the difference with the key groove, and the position of each other is staggered, avoids producing the interference, and the annular recess is installed with the sealing ring, can be closely attached the surface of the shaft sleeve and the shaft, effectively prevents dust and impurities from entering the inside of the shaft coupling, avoids the damage to the metal corrugated pipe and other components, simultaneously, the rubber sealing ring still has certain elasticity, can play the role of buffering and damping in the operation process of the shaft coupling, reduces the influence of vibration to the shaft coupling and equipment. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is whole three-dimensional schematic view of the utility model structure;

[0021] Figure 2 It is disassembled schematic view of the utility model structure pipeline mechanism;

[0022] Figure 3 It is three-dimensional schematic view of the utility model structure connecting mechanism;

[0023] Figure 4 It is disassembled schematic view of the utility model structure connecting mechanism.

[0024] Wherein: 1, pipeline mechanism; 2, connecting mechanism; 101, corrugated pipe outer layer; 102, corrugated pipe middle layer; 103, corrugated pipe inner layer; 104, reinforcing rib; 201, support plate; 202, connecting plate; 203, bolt; 204, shaft sleeve; 205, keyway; 206, sealing ring; 207, heat dissipation fin. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] The utility model provides the following technical scheme:

[0027] Embodiment one

[0028] Please refer to Figure 1 、 Figure 2 A metal corrugated pipe coupling, including pipeline mechanism 1, the outside of pipeline mechanism 1 is provided with connecting mechanism 2, the outside of connecting mechanism 2 is fixedly connected with the left and right sides of pipeline mechanism 1 respectively;

[0029] Pipeline mechanism 1 includes corrugated pipe outer layer 101, corrugated pipe outer layer 101 adopts nickel alloy material, the inside of corrugated pipe outer layer 101 is fixedly connected with corrugated pipe middle layer 102, corrugated pipe middle layer 102 adopts stainless steel material, the inside of corrugated pipe middle layer 102 is fixedly connected with corrugated pipe inner layer 103, and corrugated pipe inner layer 103 adopts alloy steel material.

[0030] The surface of corrugated pipe outer layer 101 is provided with reinforcing rib 104, and the outer surface of corrugated pipe outer layer 101 is corrugated, and reinforcing rib 104 is installed at the wave crest and wave trough of the outer surface of corrugated pipe outer layer 101.

[0031] Through the technical scheme, the multilayer material is combined into the bellows through the multilayer metallurgical bonding process, to ensure that each layer works cooperatively without relative sliding phenomenon in the torque transmission and displacement compensation process, wherein the nickel alloy material adopted by the outer layer 101 of the bellows has high strength and high elasticity, the material can enable the bellows to have good elastic deformation capacity when bearing torque, effectively compensating the relative displacement of the two shafts, the middle layer 102 of the bellows adopts stainless steel material with good corrosion resistance, which can prevent the bellows from being corroded in harsh environments and prolong the service life of the bellows, the inner layer 103 of the bellows adopts alloy steel material with excellent wear resistance, which enhances the wear resistance of the surface of the bellows and reduces the influence of wear on the performance of the bellows, through the use of different materials in different aspects, the material performance can be exerted in each aspect, the advantages of different materials are combined, high elasticity, high strength, good corrosion resistance and wear resistance are combined, and the comprehensive performance of the coupling is improved, wherein the reinforcing rib 104 is integrally formed with the metal bellows, the presence of the reinforcing rib 104 increases the strength and rigidity of the bellows, so that the bellows is not easy to deform and fatigue failure when bearing large torque and cyclic load, and the reliability and durability of the coupling are improved.

[0032] Embodiment two

[0033] Please refer to Figure 3 , Figure 4 , and on the basis of embodiment one, further obtained: the connecting mechanism 2 includes a support plate 201, the support plate 201 is fixedly connected with the outer end of the outer layer 101 of the bellows, the outer side of the support plate 201 is attached with a connecting plate 202, the inside of the support plate 201 is provided with a threaded hole, the inside of the connecting plate 202 is threadedly connected with a bolt 203, and the bolt 203 is matched with the threaded hole.

[0034] The outer side of the connecting plate 202 is fixedly connected with a shaft sleeve 204, and a plurality of key grooves 205 are formed in the inside of the shaft sleeve 204.

[0035] The outer surface of the shaft sleeve 204 is fixedly connected with a heat dissipation fin 207, and the heat dissipation fin 207 is matched with the key groove 205.

[0036] The outer end of the shaft sleeve 204 is provided with an annular groove, and the outer side of the shaft sleeve 204 is provided with a sealing ring 206, and the sealing ring 206 is matched with the annular groove.

[0037] The heat dissipation fin 207 is provided with a plurality of heat dissipation fins 207, and the plurality of heat dissipation fins 207 are arranged in a ring array around the shaft sleeve 204.

[0038] Through the technical scheme, the shaft sleeve 204 is connected with the connecting plate 202 through the bolt 203 which can be conveniently disassembled, the key groove 205 is arranged to be matched with the key on the shaft to realize the circumferential fixing, the heat dissipation fin 207 can increase the heat dissipation area of the shaft coupling, when the shaft coupling is operated at high speed, the heat generated can be dissipated to the surrounding environment through the heat dissipation fin 207, the temperature of the shaft coupling is reduced, the material performance is avoided to be reduced due to the excessively high temperature, and therefore the working stability of the shaft coupling is improved, wherein the heat dissipation fin 207 is matched with the key groove 205, is different from the key groove 205, the positions of the heat dissipation fin 207 and the key groove 205 are staggered, interference is avoided, the sealing ring 206 is installed in the annular groove, can be closely attached to the surface of the shaft sleeve 204 and the shaft, dust and sundries can be effectively prevented from entering the inside of the shaft coupling, damage to the metal bellows and other components is avoided, meanwhile, the rubber sealing ring also has a certain elasticity, can play a role of buffering and damping in the operation process of the shaft coupling, and the influence of vibration on the shaft coupling and the equipment is reduced.

[0039] In actual operation, when the device is in use, the multilayer material is combined into a bellows through a multilayer metallurgical bonding process, ensuring that the layers work together without relative sliding during torque transmission and displacement compensation, wherein the nickel alloy material adopted on the outer side 101 of the bellows has high strength and high elasticity, and such material can enable the bellows to have good elastic deformation capacity when bearing torque, effectively compensating the relative displacement of the two shafts, the stainless steel material with good corrosion resistance is adopted on the middle layer 102 of the bellows, which can prevent the bellows from being corroded in harsh environments and prolong its service life, the alloy steel material with excellent wear resistance is adopted on the inner layer 103 of the bellows, which enhances the wear resistance of the surface of the bellows and reduces the influence of wear on the performance of the bellows, through the use of different materials in different aspects, the material performance can be exerted in different aspects, the advantages of different materials are combined, which has high elasticity, high strength, good corrosion resistance and wear resistance, and improves the comprehensive performance of the coupling, wherein the reinforcing rib 104 is integrally formed with the metal bellows, the existence of the reinforcing rib 104 increases the strength and rigidity of the bellows, so that the bellows is not easy to deform and fatigue failure when bearing large torque and cyclic load, and the reliability and durability of the coupling are improved. The shaft sleeve 204 and the connecting plate 202 are connected through the bolts 203 which can be easily disassembled, the key groove 205 is provided for cooperation with the key on the shaft to realize circumferential fixation, the heat dissipation fins 207 can increase the heat dissipation area of the coupling, when the coupling is running at high speed, the heat generated can be dissipated to the surrounding environment through the heat dissipation fins 207, reducing the temperature of the coupling, avoiding the performance degradation of the material due to high temperature, thereby improving the working stability of the coupling, wherein the heat dissipation fins 207 are adapted to the key groove 205, and are different from the key groove 205, and the positions of each other are staggered, avoiding interference, the sealing ring 206 is installed in the annular groove, which can tightly fit the surface of the shaft sleeve 204 and the shaft, effectively preventing dust and debris from entering the inside of the coupling, avoiding damage to the metal bellows and other components, at the same time, the rubber sealing ring also has a certain elasticity, which can play a role in buffering and damping during the operation of the coupling, reducing the influence of vibration on the coupling and the equipment.

[0040] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits, and the scope of the appended claims and their equivalents.

Claims

1. A metal bellows coupling, comprising a pipe mechanism (1), characterized in that: A connecting mechanism (2) is provided on the outside of the pipe mechanism (1), and the outside of the connecting mechanism (2) is fixedly connected to the left and right sides of the pipe mechanism (1) respectively. The pipeline structure (1) includes a corrugated outer layer (101) made of nickel alloy, a corrugated middle layer (102) fixedly connected inside the corrugated outer layer (101) made of stainless steel, and a corrugated inner layer (103) fixedly connected inside the corrugated middle layer (102) made of alloy steel.

2. The metal bellows coupling according to claim 1, characterized in that: The surface of the outer layer (101) of the corrugated pipe is provided with reinforcing ribs (104), the outer surface of the outer layer (101) of the corrugated pipe is corrugated, and the reinforcing ribs (104) are installed at the crests and troughs of the outer surface of the outer layer (101) of the corrugated pipe.

3. A metal bellows coupling according to claim 1, characterized in that: The connecting mechanism (2) includes a support plate (201), which is fixedly connected to the outer end of the corrugated pipe outer layer (101). A connecting plate (202) is attached to the outer side of the support plate (201). A threaded hole is opened inside the support plate (201). A bolt (203) is threaded inside the connecting plate (202), and the bolt (203) is adapted to the threaded hole.

4. A metal bellows coupling according to claim 3, characterized in that: A bushing (204) is fixedly connected to the outside of the connecting plate (202), and multiple keyways (205) are provided inside the bushing (204).

5. A metal bellows coupling according to claim 4, characterized in that: The outer surface of the bushing (204) is fixedly connected with heat dissipation fins (207), which are adapted to the keyway (205).

6. A metal bellows coupling according to claim 4, characterized in that: The outer end of the bushing (204) is provided with an annular groove, and a sealing ring (206) is provided on the outer side of the bushing (204), the sealing ring (206) being adapted to the annular groove.

7. A metal bellows coupling according to claim 5, characterized in that: The heat dissipation fins (207) are provided in multiple ways, and the multiple heat dissipation fins (207) are arranged in a ring array with the bushing (204) as the center.

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