CN214119267U

CN214119267U - Flexible joint for connecting fluid conveying pipelines

Info

Publication number: CN214119267U
Application number: CN202023350517.3U
Authority: CN
Inventors: 孟桂芹; 胡梅; 张皓晨; 孟辰; 刘佃奎
Original assignee: Puyang Diya Petrochemical Machinery Co ltd
Current assignee: Puyang Diya Petrochemical Machinery Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-03
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a flexible joint is used in connection of fluid conveying pipeline, including flexible joint, first pipeline interface is installed to flexible joint's one end, first fixed hoop piece is installed to the intermediate position in the outside of first pipeline interface, first hexagon hoop piece is installed to the other end in the outside of first pipeline interface. The utility model discloses an in with flexible joint's both ends and the connected mode of first pipeline interface and second pipeline interface set up to the difference, be threaded connection respectively and inlay and connect dual mode, be convenient for carry out the split with first pipeline interface and second pipeline interface like this, if the joint gap that two pipelines were reserved is less than with flexible joint holistic length time, can dismantle it, first pipeline interface and the second pipeline interface and the piping erection at both ends earlier, just so can shorten half length, do not need the adjustment pipeline once more, be convenient for install, can shorten the man-hour of installation.

Description

Flexible joint for connecting fluid conveying pipelines

Technical Field

The utility model relates to a flexible joint field of being correlated with specifically is a flexible joint is used in fluid conveying pipeline connection.

Background

The flexible joint is a connector with flexible function, but in reality, the flexible joint mainly refers to two major types of steel flexible joints, namely a clamp type flexible joint and a rubber flexible joint, the steel flexible joint is a connector which is used for welding pipelines and plays a role in compensation connection, origin and the United states of China, the steel flexible joint flows into developing countries such as China after two war, the steel flexible joint is firstly used for preventing the deformation and the vibration of the ground caused by the damage of manpower in the war, the pipelines are bent and broken, the steel flexible joint is widely applied to the fields of mines, power plants, sewage treatment and the like after the war, a novel low-cost connection mode of omitting a compensator and a flange is provided, and due to the special design pressure, under certain pressure condition, the pressure and the sealing effect are in linear direct proportion, compared with traditional connectors such as compensator expansion pieces and the like, the connector has the effect which cannot be achieved, flange connection is not needed, the installation is convenient, and the connector can be completed only by welding two parts.

There are still deficiencies associated with a flexible joint for connecting fluid conveying pipes, such as: the connecting and sealing effect is poor, the strength is low, and the installation is inconvenient under the condition that the gap is kept small.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flexible joint is used in fluid conveying pipeline connection to it is poor to provide the joint seal effect in solving above-mentioned background art, and intensity is low, and the gap is stayed under the little condition, the problem of installation not convenient for.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fluid conveying pipeline connects and uses flexible joint, includes flexible joint, first pipeline interface is installed to flexible joint's one end, first fixed hoop piece is installed to the intermediate position in the outside of first pipeline interface, first hexagon hoop piece is installed to the other end in the outside of first pipeline interface, second pipeline interface is installed to flexible joint's the other end, the fixed hoop piece of second is installed to the intermediate position in the outside of second pipeline interface, second hexagon hoop piece is installed to the one end in the outside of second pipeline interface.

In a further embodiment, the first pipe interface and the flexible joint are in threaded connection with the screw head through the screw sleeve, and a first gasket is arranged at one end of the interior of the first pipe interface.

In a further embodiment, punched holes are formed in two sides of the inner portion of the first fixing hoop sheet, the positions of the punched holes and the position of the nut are set to be the same, a screw hole is formed in one side of each punched hole, and the first fixing hoop sheet is connected with the first pipeline interface in an embedded mode.

In a further embodiment, the one end of the inside of second pipeline interface is provided with the inlay cover, the intermediate position in the outside of inlay cover is provided with the clamp, the clamp passes through bolt fixed connection with the inlay cover, and the other end of flexible joint passes through the inlay head with the second pipeline interface and is connected with the inlay cover.

In a further embodiment, the other end of the inside of the second pipe joint is provided with a second gasket, the second fixed hoop sheet is connected with the second pipe joint through an embedding manner, and the structures of the second fixed hoop sheet and the first fixed hoop sheet are the same.

In a further embodiment, the first pipeline interface and the second pipeline interface are connected with the nut through a connecting screw rod, and the first pipeline interface and the second pipeline interface are arranged in a symmetrical structure.

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

1. the utility model discloses an in with flexible joint's both ends and the connected mode of first pipeline interface and second pipeline interface set up to the difference, be threaded connection respectively and inlay and connect dual mode, be convenient for carry out the split with first pipeline interface and second pipeline interface like this, if the joint gap that two pipelines were reserved is less than with the holistic length of flexible joint, can dismantle it, first pipeline interface and the second pipeline interface and the piping erection of both ends earlier, just so can shorten half length, do not need the adjustment pipeline once more, be convenient for install, can shorten the man-hour of installation, improve the installation effectiveness, can make first pipeline interface inseparabler with flexible joint installation through threaded connection, improve the leakproofness, can reduce the installation degree of difficulty through inlaying, be convenient for install, the rethread clamp can its be fixed, increase sealed effect.

2. The utility model discloses a well first pipeline interface passes through connecting screw with the second pipeline interface and is connected with the nut, is connected the intensity that can increase first pipeline interface and second pipeline interface connection through connecting screw and nut, increases flexible joint's life.

Drawings

FIG. 1 is a front view of a flexible joint for connecting fluid conveying pipes according to the present invention;

fig. 2 is a schematic view of a disassembled structure of a flexible joint for connecting fluid conveying pipelines according to the present invention;

fig. 3 is a front view of a first pipe interface of the present invention;

fig. 4 is a rear view of a second pipe interface according to the present invention.

In the figure: 1. a first fixed hoop sheet; 2. a first pipe interface; 3. a threaded sleeve; 4. a first hexagonal hoop sheet; 5. connecting a screw rod; 6. a second hexagonal hoop sheet; 7. a nut; 8. a flexible joint; 9. clamping a hoop; 10. embedding a sleeve; 11. a second fixed hoop sheet; 12. a second pipe interface; 13. a first gasket; 14. a screw head; 15. a damascene head; 16. a bolt; 17. a second gasket; 18. punching; 19. and a screw hole.

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.

Referring to fig. 1-4, the present invention provides an embodiment: a flexible joint for connecting a fluid conveying pipeline comprises a flexible joint 8, a first pipeline interface 2 is installed at one end of the flexible joint 8, the first pipeline interface 2 is convenient for installing the flexible joint 8 and a pipeline, a first fixed hoop sheet 1 is installed at the middle position of the outer side of the first pipeline interface 2, the strength of the first fixed hoop sheet 1 is increased, a first hexagonal hoop sheet 4 is installed at the other end of the outer side of the first pipeline interface 2, a connecting screw 5 is convenient to install by the first hexagonal hoop sheet 4, a second pipeline interface 12 is installed at the other end of the flexible joint 8, the other end of the flexible joint 8 and the pipeline are installed by the second pipeline interface 12, a second fixed hoop sheet 11 is installed at the middle position of the outer side of the second pipeline interface 12, the strength of the second pipeline interface 12 is increased by the second fixed hoop sheet 11, and a second hexagonal hoop sheet 6 is installed at one end of the outer side of the second pipeline interface 12, the second hexagonal hoop sheets 6 are connected with the first hexagonal hoop sheets 4 to increase strength.

Further, first pipeline interface 2 and flexible joint 8 pass through swivel nut 3 and spiral shell 14 threaded connection, can make first pipeline interface 2 be connected more firmly with flexible joint 8 through the screw thread, and the one end of the inside of first pipeline interface 2 is provided with first packing ring 13, can increase the leakproofness through first packing ring 13.

Further, the both sides of the inside of first fixed hoop piece 1 are provided with 18 that punch a hole, and the position of 18 that punch a hole sets up to the same with the position of nut 7, and one side of 18 that punch a hole is provided with screw 19, and just first fixed hoop piece 1 inlays with first pipeline interface 2 and is connected, is convenient for install first fixed hoop piece 1 through inlaying.

Further, the one end of the inside of second pipeline interface 12 is provided with inlays cover 10, inlays cover 10 and is convenient for install mosaic 15, and the intermediate position in the outside of inlaying cover 10 is provided with clamp 9, and clamp 9 increases the leakproofness that mosaic 15 and inlay cover 10 are connected, and clamp 9 and inlay cover 10 pass through bolt 16 fixed connection, and the other end and the second pipeline interface 12 of flexible joint 8 are connected with inlaying cover 10 through mosaic 15.

Further, the other end of the inside of second pipeline interface 12 is provided with second packing ring 17, and second packing ring 17 increases the leakproofness, and second fixed hoop piece 11 is connected through inlaying with second pipeline interface 12, is convenient for install second fixed hoop piece 11 and second pipeline interface 12 through inlaying, and second fixed hoop piece 11 sets up to the same with the structure of first fixed hoop piece 1.

Further, the first pipeline connector 2 and the second pipeline connector 12 are connected with the screw cap 7 through the connecting screw rod 5, the first pipeline connector 2 and the second pipeline connector 12 are arranged to be symmetrical structures, and the first pipeline connector 2 and the second pipeline connector 12 can be more attractive in appearance through the symmetrical structures.

The working principle is as follows: during the use, place two pipeline correspondences, install first pipeline interface 2 and second pipeline interface 12 respectively in the mouth of pipe department that two conveyer pipes correspond, inlay flexible joint 8 in the centre again, install earlier through spiral shell 14 and swivel nut 3 and be connected flexible joint 8 and first pipeline interface 2, it is fixed with flexible joint 8 and second pipeline interface 12 connection through inlaying head 15 and inlaying 10 inlays again, fasten it through clamp 9, be connected first hexagon hoop piece 4 and second hexagon hoop piece 6 through connecting screw 5, it is fixed through nut 7, if intensity is not enough, can reuse several longer bolts to penetrate and fix first fixed hoop piece 1 and second fixed hoop piece 11 with in the screw 19, also can assemble first pipeline interface 2 and second pipeline interface 12 and flexible joint 8 completely again with the pipeline installation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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. A flexible joint for connecting fluid conveying pipes, comprising a flexible joint (8), characterized in that: first pipeline interface (2) are installed to the one end of flexible joint (8), first fixed hoop piece (1) is installed to the intermediate position in the outside of first pipeline interface (2), first hexagon hoop piece (4) is installed to the other end in the outside of first pipeline interface (2), second pipeline interface (12) is installed to the other end of flexible joint (8), second fixed hoop piece (11) are installed to the intermediate position in the outside of second pipeline interface (12), second hexagon hoop piece (6) is installed to the one end in the outside of second pipeline interface (12).

2. A flexible joint for connecting fluid conveying pipes according to claim 1, wherein: the first pipeline interface (2) and the flexible joint (8) are in threaded connection with a screw head (14) through a screw sleeve (3), and a first gasket (13) is arranged at one end of the interior of the first pipeline interface (2).

3. A flexible joint for connecting fluid conveying pipes according to claim 1, wherein: the inside both sides of first fixed hoop piece (1) are provided with punch a hole (18), the position of punching a hole (18) sets up to the same with the position of nut (7), one side of punching a hole (18) is provided with screw (19), and just first fixed hoop piece (1) inlays with first pipeline interface (2) and is connected.

4. A flexible joint for connecting fluid conveying pipes according to claim 1, wherein: the one end of the inside of second pipeline interface (12) is provided with inlays cover (10), the intermediate position in the outside of inlaying cover (10) is provided with clamp (9), clamp (9) and inlay cover (10) pass through bolt (16) fixed connection, and the other end and the second pipeline interface (12) of flexible joint (8) are connected with inlaying cover (10) through inlay head (15).

5. A flexible joint for connecting fluid conveying pipes according to claim 1, wherein: the other end of the inside of second pipeline interface (12) is provided with second packing ring (17), second fixed hoop piece (11) is connected through inlaying with second pipeline interface (12), and the structure of second fixed hoop piece (11) and first fixed hoop piece (1) sets up to the same.

6. A flexible joint for connecting fluid conveying pipes according to claim 1, wherein: the first pipeline interface (2) and the second pipeline interface (12) are connected with the screw cap (7) through the connecting screw rod (5), and the first pipeline interface (2) and the second pipeline interface (12) are arranged to be of symmetrical structures.