CN212107428U

CN212107428U - External pressure type wear-resistant copper-based alloy sleeve

Info

Publication number: CN212107428U
Application number: CN202020819059.4U
Authority: CN
Inventors: 不公告发明人
Original assignee: Taizhou Oker Powder Alloy Manufacturing Co Ltd
Current assignee: Taizhou Oker Powder Alloy Manufacturing Co Ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2020-12-08
Anticipated expiration: 2030-05-15

Abstract

The utility model discloses a wear-resisting copper base alloy sleeve of external pressure type, including bottom connection pad and top connection pad, the equal fixedly connected with fixed block in the outside of bottom connection pad and top connection pad, the inside swing joint of fixed block has first threaded rod, the outside of first threaded rod is threaded connection first nut and second nut respectively, the first concave groove of one end fixedly connected with of first threaded rod, the inboard swing joint in first concave groove has first switching piece. The utility model discloses a, bottom connection pad, top connection pad, fixed block, first threaded rod, first nut, second nut, first concave groove, first switching piece, second concave groove, first slide bar, buffer cylinder, second slide bar, third concave groove, second switching piece, fourth concave groove and the cooperation of second threaded rod are used, have solved the low and short problem of life of compressive property of bellows.

Description

External pressure type wear-resistant copper-based alloy sleeve

Technical Field

The utility model relates to a compensator correlation technique field specifically is a wear-resisting copper base alloy sleeve of external pressure type.

Background

The external pressure type wear-resistant copper-based alloy sleeve is specially named as a corrugated compensator, and in pipelines of petroleum, chemical engineering, smelting and the like, the corrugated compensator is commonly used for solving the problems of cold and hot expansion compensation and offset installation deviation of the pipeline by media besides the requirement of anti-corrosion performance, and mechanical damage caused by mechanical vibration between the inlet and the outlet of a fan and a pump and the pipeline can be improved through flexible connection of the corrugated compensator.

The existing compensator can generally bear a certain positive pressure or negative pressure, but when the pressure is larger, the deformation of the corrugated pipe is often larger, and the pressure resistance and the service life of the compensator are influenced.

Therefore, an external pressure type wear-resistant copper-based alloy sleeve is provided.

Disclosure of Invention

An object of the utility model is to provide a wear-resisting copper base alloy sleeve of external pressure type to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an external pressure type wear-resistant copper-based alloy sleeve comprises a bottom connecting disc and a top connecting disc, wherein the outer sides of the bottom connecting disc and the top connecting disc are fixedly connected with a fixed block, the inner part of the fixed block is movably connected with a first threaded rod, the outer side of the first threaded rod is respectively in threaded connection with a first nut and a second nut, one end of the first threaded rod is fixedly connected with a first concave groove, the inner side of the first concave groove is movably connected with a first transfer block, the outer side of the first transfer block is movably connected with a second concave groove, one side of the second concave groove is fixedly connected with a first slide bar, the outer side of the first slide bar is slidably connected with a buffer cylinder, the inner cavity of the buffer cylinder is slidably connected with a second slide bar, one end of the second slide bar is fixedly connected with a third concave groove, the inner side of the third concave groove is movably connected with a, the outside swing joint of second switching piece has fourth concave groove, one side fixedly connected with second threaded rod of fourth concave groove, the outside of second threaded rod is threaded connection has third nut and fourth nut respectively, the outside of fourth nut and the inside swing joint of fixed block, one side fixedly connected with bellows of bottom connection pad, one side of bellows and one side fixed connection of top connection pad.

Preferably, one side of bottom connection pad and top connection pad all is provided with the interface, the circular slot has been seted up to one side of interface, the inner wall of circular slot is provided with the sealing ring.

Preferably, the outer sides of the first sliding rod and the second sliding rod are respectively provided with a first limiting block, and one ends of the first sliding rod and the second sliding rod are respectively provided with a second limiting block.

Preferably, the outer sides of the first sliding rods are respectively sleeved with a first spring, and the outer sides of the second sliding rods are sleeved with a second spring.

Preferably, one end of the first spring is fixedly connected with one side of the first limiting block, and the other end of the first spring is fixedly connected with one side of the buffer cylinder.

Preferably, mounting holes are formed in one side of the bottom connecting disc and one side of the top connecting disc respectively, and the number of the mounting holes is eight.

Preferably, the number of the fixed blocks is four, and the inside of each fixed block is movably connected with a first threaded rod and a second threaded rod.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model solves the problems of low pressure resistance and short service life of the corrugated pipe by matching the bottom connecting disc, the top connecting disc, the fixed block, the first threaded rod, the first nut, the second nut, the first concave groove, the first transfer block, the second concave groove, the first slide bar, the buffer cylinder, the second slide bar, the third concave groove, the second transfer block, the fourth concave groove and the second threaded rod;

2. the utility model has the advantages that by arranging the sealing ring, the compensator is not easy to leak gas when in butt joint with the pipeline, the sealing effect is improved, the deformation range of the compensator is limited when the compensator deforms by arranging the first limiting block and the second limiting block, and the buffering force of the deformation of the compensator is reduced by arranging the spring;

3. the utility model discloses a set up the cooperation between first spring, first stopper and the buffer tube, the great deformation that takes place when reducing the compensator shrink is eight through the quantity that sets up the mounting hole, more firm when making compensator and pipeline dock, is difficult for producing the dislocation, is four through the quantity that sets up the fixed block, makes every position of whole compensator all have the buffering effect when using.

Drawings

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

fig. 2 is a schematic structural view of the buffering mechanism of the present invention;

fig. 3 is a top view of the structure of the present invention.

In the figure: 1. a bottom connecting disc; 2. a top connecting disc; 3. a fixed block; 4. a first threaded rod; 5. a first nut; 6. a second nut; 7. a first concave groove; 8. a first transfer block; 9. a second concave groove; 10. a first slide bar; 11. a buffer cylinder; 12. a second slide bar; 13. a third concave groove; 14. a second transfer block; 15. a fourth concave groove; 16. a second threaded rod; 17. a third nut; 18. a fourth nut; 19. a bellows; 20. a butt joint port; 21. a circular groove; 22. a first stopper; 23. a second limiting block; 24. a first spring; 25. a second spring; 26. and (7) installing holes.

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 technical scheme in the utility model, all other embodiments that ordinary skilled person in the art obtained under the prerequisite of not making the creative work all belong to the scope of the utility model protection.

Referring to fig. 1 to 3, the present invention provides a technical solution: an external pressure type wear-resistant copper-based alloy sleeve comprises a bottom connecting disc 1 and a top connecting disc 2, wherein the outer sides of the bottom connecting disc 1 and the top connecting disc 2 are fixedly connected with a fixed block 3, the inside of the fixed block 3 is movably connected with a first threaded rod 4, the outer side of the first threaded rod 4 is respectively in threaded connection with a first nut 5 and a second nut 6, one end of the first threaded rod 4 is fixedly connected with a first concave groove 7, the inner side of the first concave groove 7 is movably connected with a first transfer block 8, the outer side of the first transfer block 8 is movably connected with a second concave groove 9, one side of the second concave groove 9 is fixedly connected with a first slide bar 10, the outer side of the first slide bar 10 is slidably connected with a buffer cylinder 11, the inner cavity of the buffer cylinder 11 is slidably connected with a second slide bar 12, one end of the second slide bar 12 is fixedly connected with a third concave groove 13, and the inner side of the, the outer side of the second transfer block 14 is movably connected with a fourth concave groove 15, one side of the fourth concave groove 15 is fixedly connected with a second threaded rod 16, the outer side of the second threaded rod 16 is respectively in threaded connection with a third nut 17 and a fourth nut 18, the outer side of the fourth nut 18 is movably connected with the inside of the fixed block 3, one side of the bottom connecting disc 1 is fixedly connected with a corrugated pipe 19, and one side of the corrugated pipe 19 is fixedly connected with one side of the top connecting disc 2.

Further, one side of bottom connection pad 1 and top connection pad 2 all is provided with interface 20, has seted up circular slot 21 to one side of interface 20, and the inner wall of circular slot 21 is provided with the sealing washer, and through setting up the sealing washer, difficult gas leakage when compensator and pipeline dock increases sealed effect.

Further, the outer sides of the first slide bar 10 and the second slide bar 12 are respectively provided with a first limiting block 22, one ends of the first slide bar 10 and the second slide bar 12 are respectively provided with a second limiting block 23, and the first limiting block 22 and the second limiting block 23 are arranged to limit the deformation range when the compensator deforms.

Further, the outer sides of the first sliding rod 10 are respectively sleeved with a first spring 24, the outer sides of the second sliding rod 12 are sleeved with a second spring 25, and the buffering force of the deformation of the compensator is reduced by arranging the springs.

Further, one end of the first spring 24 is fixedly connected with one side of the first limiting block 22, the other end of the first spring 24 is fixedly connected with one side of the buffer cylinder 11, and through the cooperation of the first spring 24, the first limiting block 22 and the buffer cylinder 11, the large deformation generated when the compensator contracts is reduced.

Further, mounting holes 26 have been seted up respectively to one side of bottom connection pad 1 and top connection pad 2, and the quantity of mounting holes 26 sets up to eight, and is eight through the quantity that sets up mounting holes 26, more firm when making compensator and pipeline dock, difficult production dislocation.

Further, the number of the fixed blocks 3 is four, the first threaded rods 4 and the second threaded rods 16 are movably connected to the inner portions of the fixed blocks 3 respectively, and the four fixed blocks 3 are arranged, so that the whole compensator has a buffering effect in each direction when in use.

The working principle is as follows: when the corrugated pipe is used, when the bottom connecting disc 1 and the top connecting disc 2 contract or stretch, the fixed block 3 drives the first threaded rod 4 and the second threaded rod 16 to move respectively, the first threaded rod 4 and the second threaded rod 16 drive the first concave groove 7 and the fourth concave groove 15 to move respectively, the first concave groove 7 and the fourth concave groove 15 drive the first transfer block 8 and the second transfer block 14 to move respectively, the first transfer block 8 and the second transfer block 14 drive the second concave groove 9 and the third concave groove 13 to move respectively, the second concave groove 9 and the third concave groove 13 drive the first sliding rod 10 and the second sliding rod 12 to move respectively, and the first sliding rod 10 and the second sliding rod 12 drive the buffer cylinder 11 to contract and stretch respectively, so that the pressure resistance of the corrugated pipe 19 is improved, and the novel sleeve has high pressure resistance and long service life.

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. The utility model provides a wear-resisting copper base alloy sleeve of external pressure formula, includes bottom connection pad (1) and top connection pad (2), its characterized in that: the outer side of the bottom connecting disc (1) and the outer side of the top connecting disc (2) are fixedly connected with a fixing block (3), the inner movable connection of the fixing block (3) is provided with a first threaded rod (4), the outer side of the first threaded rod (4) is respectively provided with a first nut (5) and a second nut (6), one end of the first threaded rod (4) is fixedly connected with a first concave groove (7), the inner side of the first concave groove (7) is movably connected with a first transfer block (8), the outer side of the first transfer block (8) is movably connected with a second concave groove (9), one side of the second concave groove (9) is fixedly connected with a first sliding rod (10), the outer side of the first sliding rod (10) is slidably connected with a buffer cylinder (11), the inner cavity of the buffer cylinder (11) is slidably connected with a second sliding rod (12), one end of the second sliding rod (12) is fixedly connected with a third concave groove (13), the inboard swing joint of third concave groove (13) has second switching piece (14), the outside swing joint of second switching piece (14) has fourth concave groove (15), one side fixedly connected with second threaded rod (16) of fourth concave groove (15), there are third nut (17) and fourth nut (18) in the outside of second threaded rod (16) threaded connection respectively, the outside of fourth nut (18) and the inside swing joint of fixed block (3), one side fixedly connected with bellows (19) of bottom connection pad (1), one side of bellows (19) and one side fixed connection of top connection pad (2).

2. The external pressure type wear-resistant copper-based alloy sleeve as recited in claim 1, wherein: one side of bottom connection pad (1) and top connection pad (2) all is provided with interface (20), circular slot (21) have been seted up to one side of interface (20), the inner wall of circular slot (21) is provided with the closed circle.

3. The external pressure type wear-resistant copper-based alloy sleeve as recited in claim 1, wherein: the outer sides of the first sliding rod (10) and the second sliding rod (12) are respectively provided with a first limiting block (22), and one ends of the first sliding rod (10) and the second sliding rod (12) are respectively provided with a second limiting block (23).

4. The external pressure type wear-resistant copper-based alloy sleeve as recited in claim 1, wherein: the outer side of the first sliding rod (10) is respectively sleeved with a first spring (24), and the outer side of the second sliding rod (12) is sleeved with a second spring (25).

5. The external pressure type wear-resistant copper-based alloy sleeve as recited in claim 4, wherein: one end of the first spring (24) is fixedly connected with one side of the first limiting block (22), and the other end of the first spring (24) is fixedly connected with one side of the buffer cylinder (11).

6. The external pressure type wear-resistant copper-based alloy sleeve as recited in claim 1, wherein: mounting holes (26) are respectively formed in one sides of the bottom connecting disc (1) and the top connecting disc (2), and the number of the mounting holes (26) is eight.

7. The external pressure type wear-resistant copper-based alloy sleeve as recited in claim 1, wherein: the quantity of fixed block (3) sets up to four, the inside of fixed block (3) swing joint has first threaded rod (4) and second threaded rod (16) respectively.