CN221323663U

CN221323663U - Pipeline sealing connection structure

Info

Publication number: CN221323663U
Application number: CN202323431966.4U
Authority: CN
Inventors: 赵平; 张敏; 赵道新
Original assignee: Wuxi Baiante Anti Corrosion Equipment Co ltd
Current assignee: Wuxi Baiante Anti Corrosion Equipment Co ltd
Filing date: 2023-12-15
Publication date: 2024-07-12
Anticipated expiration: 2033-12-15

Abstract

The utility model relates to the technical field of pipelines and discloses a pipeline sealing connection structure which comprises a first pipeline and a second pipeline, wherein one end of the first pipeline is fixedly connected with a first connection structure, and one end of the second pipeline, which is close to the first pipeline, is fixedly connected with a second connection structure; the first connection structure includes a connection sleeve; through adapter sleeve, draw-in groove, butt joint locating component and connect the cooperation between the inner tube, first pipeline and second pipeline are through connecting inner tube and adapter sleeve butt joint, accomplish the connection of first pipeline and second pipeline in the draw-in groove through the fixture block joint simultaneously, contradict the fixture block through three group second springs and inlay in the draw-in groove, thereby realize the quick connect of first pipeline and second pipeline, the simple operation is convenient, and through pressing the fixture block in the draw-in groove, can separate first pipeline and second pipeline, so as to change sealing washer, improve the efficiency of changing sealing washer.

Description

Pipeline sealing connection structure

Technical Field

The utility model relates to the technical field of pipelines, in particular to a pipeline sealing connection structure.

Background

A conduit is a device for transporting a gas, liquid or fluid with solid particles coupled by pipes, pipe connectors, valves, etc. The piping is used in a wide variety of applications, mainly in water supply, water drainage, heat supply, gas supply, long distance transportation of petroleum and natural gas, agricultural irrigation, hydraulic engineering and various industrial devices. The joints of the pipelines are nodes in the pipelines, and in order to ensure the reliability and the tightness of the pipelines, the pipelines are connected by adopting a welding structure;

In the prior art, bulletin number: the Chinese utility model content of CN214197665U discloses a pipeline sealing connection structure, which comprises an upper pipe, a lower pipe, an upper pipe movable flange, a lower pipe movable flange, a sealing ring and a spring washer; an upper pipe movable flange matched with the outer wall of the pipe orifice of the upper pipe is sleeved on the outer wall of the upper pipe, and a lower pipe movable flange matched with the outer wall of the pipe orifice of the lower pipe is sleeved on the outer wall of the lower pipe; the upper pipe movable flange and the lower pipe movable flange are connected through bolts to ensure tight connection of the upper pipe and the lower pipe; the sealing ring is arranged between an upper pipe orifice and a lower pipe orifice, and the upper pipe orifice and the lower pipe orifice are arc-shaped bulge structures; the spring washer is arranged between the upper pipe movable flange and the lower pipe movable flange; the section of the sealing ring is of an I-shaped structure; the upper pipe and the lower pipe are matched, and the movable flange is connected by combining the bolts for fixing the movable flange, so that the structure is simple, and the disassembly and the assembly are convenient and quick; the pipe orifice of the arc-shaped bulge structure extrudes the I-shaped sealing ring to form pipeline sealing, so that the sealing effect is good;

Adopt a plurality of bolts to connect two sets of pipelines among the above-mentioned technical scheme, when maintaining the pipeline, need twist out a plurality of bolts in proper order, and then change sealing washer with two sets of pipeline separation, the operation is complicated, and is slower to sealing washer's change efficiency, consequently we need propose a pipeline sealing connection structure.

Disclosure of utility model

The utility model aims to provide a pipeline sealing connection structure which can be used for rapidly butting two groups of pipelines, guaranteeing the sealing performance of the connection of the two groups of pipelines while butting, and improving the efficiency of replacing sealing gaskets in the pipelines, so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the pipeline sealing connection structure comprises a first pipeline and a second pipeline, wherein one end of the first pipeline is fixedly connected with a first connection structure, and one end of the second pipeline, which is close to the first pipeline, is fixedly connected with a second connection structure;

the first connecting structure comprises a connecting sleeve, and three groups of clamping grooves are formed in the inner side of the connecting sleeve at equal angles;

The second connecting structure comprises a connecting inner pipe, three groups of storage grooves are formed in the outer side of the connecting inner pipe at equal angles, and butt joint positioning assemblies are arranged in the three groups of storage grooves;

The butt joint locating component comprises a telescopic rod fixed at the bottom of the storage groove, a clamping block is fixedly connected to one end of the telescopic rod, a second spring is sleeved on the outer side of the telescopic rod, and the clamping block is matched with the clamping groove.

Preferably, the first connecting structure further comprises a connecting outer tube fixedly connected to the outer side of one end of the first pipeline, the connecting sleeve is fixedly connected to one end of the connecting outer tube, and a guiding portion is arranged at one end of the inner side of the connecting sleeve.

Preferably, an elastic sealing assembly is arranged between the connecting outer pipe and the connecting sleeve, the inner diameter of the connecting outer pipe is the same as the outer diameter of the first pipeline, and the inner diameter of the connecting sleeve is the same as the outer diameter of the connecting inner pipe.

Preferably, the elastic sealing assembly comprises a metal gasket, one side of the metal gasket is fixedly connected with three groups of first springs, the three groups of first springs are arranged at equal angles, and a second sealing gasket is bonded on the other side of the metal gasket.

Preferably, a bottom groove for embedding three groups of first springs is formed in one end of the connecting outer tube, and a circular through hole is formed in the middle of one side of the metal gasket.

Preferably, the inner diameter of one end of the inner side of the connecting inner pipe is the same as the outer diameter of the second pipeline, the inner diameter of the other end of the inner side of the connecting inner pipe is the same as the inner diameter of the second pipeline, an annular groove is formed in one end of the outer side of the connecting inner pipe, a first sealing gasket is embedded in the annular groove, and the outer diameter of the first sealing gasket is larger than the inner diameter of the connecting sleeve.

Preferably, the outer side sliding sleeve of the second pipeline is provided with a protective outer cylinder, and one end of the inner side of the protective outer cylinder is in threaded connection with one end of the outer side of the connecting sleeve.

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

1. According to the utility model, the first pipeline and the second pipeline are in butt joint through the connecting sleeve, the clamping groove, the butt joint positioning assembly and the connecting inner pipe, meanwhile, the first pipeline and the second pipeline are connected in the clamping groove through the clamping blocks in a clamping way, the clamping blocks are abutted against by the three groups of second springs and embedded in the clamping groove, so that the first pipeline and the second pipeline are quickly connected, the operation is simple and convenient, the first pipeline and the second pipeline can be separated through pressing the clamping blocks in the clamping groove, the sealing gasket can be replaced conveniently, and the efficiency of replacing the sealing gasket is improved.

2. According to the utility model, through the cooperation between the connecting sleeve and the protective outer cylinder, the connecting sleeve and the connecting inner pipe are further compressed through the protective outer cylinder, so that the tightness of the connection of the first pipeline and the second pipeline is improved, meanwhile, the connecting end of the pipeline is conveniently protected through the protective outer cylinder, the disconnection of the connecting end caused by external collision is avoided, and the service life of a pipeline conveying medium is prolonged.

Drawings

FIG. 1 is a schematic diagram of the overall front view of the present utility model;

FIG. 2 is a schematic view of a first connection structure according to the present utility model;

FIG. 3 is a schematic structural diagram of a second connecting structure according to the present utility model;

fig. 4 is a schematic structural diagram of a docking and positioning assembly according to the present utility model.

In the figure: 1. a first pipe; 2. a second pipe; 3. a first connection structure; 31. connecting an outer tube; 32. a connection sleeve; 33. a clamping groove; 34. a guide part; 35. a bottom groove; 4. a second connection structure; 41. connecting the inner tube; 42. an annular groove; 43. a first sealing gasket; 44. a storage groove; 5. a protective outer cylinder; 6. an elastic sealing assembly; 61. a first spring; 62. a metal gasket; 63. a second sealing gasket; 7. a butt joint positioning assembly; 71. a telescopic rod; 72. a second spring; 73. and (5) clamping blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the pipeline sealing connection structure comprises a first pipeline 1 and a second pipeline 2, wherein one end of the first pipeline 1 is fixedly connected with a first connection structure 3, and one end of the second pipeline 2, which is close to the first pipeline 1, is fixedly connected with a second connection structure 4;

the first connecting structure 3 comprises a connecting sleeve 32, and three groups of clamping grooves 33 are formed in the inner side of the connecting sleeve 32 at equal angles;

The second connecting structure 4 comprises a connecting inner pipe 41, three groups of containing grooves 44 are formed in the outer side of the connecting inner pipe 41 at equal angles, and butt joint positioning assemblies 7 are arranged in the three groups of containing grooves 44;

The butt joint positioning assembly 7 comprises a telescopic rod 71 fixed at the bottom of the accommodating groove 44, one end of the telescopic rod 71 is fixedly connected with a clamping block 73, a second spring 72 is sleeved on the outer side of the telescopic rod 71, and the clamping block 73 is matched with the clamping groove 33.

The first connecting structure 3 further comprises a connecting outer tube 31 fixedly connected to the outer side of one end of the first pipeline 1, the connecting sleeve 32 is fixedly connected to one end of the connecting outer tube 31, a guide portion 34 is arranged at one end of the inner side of the connecting sleeve 32, a round corner portion of the clamping block 73 is convenient to be abutted against the guide portion 34 when the connecting inner tube 41 is embedded into the connecting sleeve 32 through the guide portion 34, and accordingly the clamping block 73 is convenient to compress the second spring 72 before being embedded into the clamping groove 33 and is stored in the storage groove 44, and the first pipeline 1 and the second pipeline 2 are convenient to butt joint.

An elastic sealing assembly 6 is arranged between the connecting outer tube 31 and the connecting sleeve 32, the inner diameter of the connecting outer tube 31 is the same as the outer diameter of the first pipeline 1, the inner diameter of the connecting sleeve 32 is the same as the outer diameter of the connecting inner tube 41, and the tightness of the connected first pipeline 1 and the connected second pipeline 2 is improved through the elastic sealing assembly 6.

The elastic sealing assembly 6 comprises a metal gasket 62, one side of the metal gasket 62 is fixedly connected with three groups of first springs 61, the three groups of first springs 61 are arranged at equal angles, a second sealing gasket 63 is bonded to the other side of the metal gasket 62, the metal gasket 62 is separated from the connecting outer tube 31 before the first pipeline 1 is in butt joint with the second pipeline 2, the metal gasket 62 is in butt joint with the connecting inner tube 41 after the butt joint, and therefore the second sealing gasket 63 can be tightly attached to the first sealing gasket 43, and sealing performance is improved.

The bottom groove 35 for embedding the three groups of first springs 61 is formed in one end of the connecting outer tube 31, a circular through hole is formed in the middle of one side of the metal gasket 62, the first springs 61 are conveniently stored through the bottom groove 35, and the influence of the medium on the first springs 61 after the first pipeline 1 is in butt joint with the second pipeline 2 is reduced.

The inside one end internal diameter of connecting inner tube 41 is the same with the external diameter of second pipeline 2, and the inside other end internal diameter of connecting inner tube 41 is the same with the internal diameter of second pipeline 2, annular groove 42 has been seted up to the one end outside connecting inner tube 41, annular groove 42 has embedded first sealing washer 43, the external diameter of first sealing washer 43 is greater than the internal diameter of adapter sleeve 32, be convenient for the installation of first sealing washer 43 through annular groove 42, simultaneously through first sealing washer 43 and the cooperation of second sealing washer 63, double-deck seal has improved the leakproofness of pipeline connection.

The outside slip cap of second pipeline 2 is equipped with protection urceolus 5, and the inboard one end of protection urceolus 5 and the outside one end threaded connection of adapter sleeve 32 are through protection urceolus 5 and adapter sleeve 32 threaded connection, are convenient for protect adapter sleeve 32 when locking adapter sleeve 32 to be convenient for protect the pipeline link, avoid the link to receive external collision disconnection, improve the life of pipeline.

During the use, peg graft connecting inner tube 41 to the adapter sleeve 32 in, the fixture block 73 of butt joint locating component 7 is contradicted with the guiding part 34 of adapter sleeve 32 through the fillet, thereby use fixture block 73 shrink to accomodate in the groove 44, and extrude second spring 72, after first sealing washer 43 is contradicted to second sealing washer 63, first spring 61 receives the one end that extrudees messenger's metal gasket 62 conflict connecting outer tube 31, thereby make accomodate groove 44 and draw-in groove 33 to first sealing washer 43 and adapter sleeve 32 interference fit, second sealing washer 63 and connecting inner tube 41 interference fit, thereby improve the leakproofness after first pipeline 1 and second pipeline 2 are connected, fixture block 73 supports out under the elastic action of second spring 72 and accomodates groove 44, thereby make fixture block 73 imbeds in draw-in groove 33 on the adapter sleeve 32, accomplish the butt joint of adapter sleeve 32 and connecting inner tube 41, during the dismantlement, press fixture block 73 in the second spring 72, thereby make 73 retract and accomodate groove 44, so that under the elastic action of first spring 61 supports out connecting inner tube 41 and adapter sleeve 32, thereby the sealing washer 43 is convenient for dismantlement to first pipeline 1 and second pipeline 2, and the life-span of the sealing washer is improved, and the life-span is convenient for the life-span is prolonged to the connecting end is connected to the second pipeline 5 through the sealing washer, and the life-span is improved to the sealing washer is connected to the second pipeline 5.

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

Claims

1. The utility model provides a pipeline sealing connection structure, includes first pipeline (1) and second pipeline (2), its characterized in that: one end of the first pipeline (1) is fixedly connected with a first connecting structure (3), and one end of the second pipeline (2) close to the first pipeline (1) is fixedly connected with a second connecting structure (4);

The first connecting structure (3) comprises a connecting sleeve (32), and three groups of clamping grooves (33) are formed in the inner side of the connecting sleeve (32) at equal angles;

The second connecting structure (4) comprises a connecting inner pipe (41), three groups of accommodating grooves (44) are formed in the outer side of the connecting inner pipe (41) at equal angles, and butt joint positioning assemblies (7) are arranged in the three groups of accommodating grooves (44);

The butt joint positioning assembly (7) comprises a telescopic rod (71) fixed at the bottom of the storage groove (44), one end of the telescopic rod (71) is fixedly connected with a clamping block (73), a second spring (72) is sleeved on the outer side of the telescopic rod (71), and the clamping block (73) is matched with the clamping groove (33).

2. A pipe sealing connection as defined in claim 1 wherein: the first connecting structure (3) further comprises a connecting outer tube (31) fixedly connected to the outer side of one end of the first pipeline (1), the connecting sleeve (32) is fixedly connected to one end of the connecting outer tube (31), and a guide part (34) is arranged at one end of the inner side of the connecting sleeve (32).

3. A pipe sealing connection as defined in claim 2 wherein: an elastic sealing assembly (6) is arranged between the connecting outer tube (31) and the connecting sleeve (32), the inner diameter of the connecting outer tube (31) is identical to the outer diameter of the first pipeline (1), and the inner diameter of the connecting sleeve (32) is identical to the outer diameter of the connecting inner tube (41).

4. A pipe sealing connection as claimed in claim 3 wherein: the elastic sealing assembly (6) comprises a metal gasket (62), one side of the metal gasket (62) is fixedly connected with three groups of first springs (61), the three groups of first springs (61) are arranged at equal angles, and a second sealing gasket (63) is bonded to the other side of the metal gasket (62).

5. A pipe sealing connection as defined in claim 4 wherein: one end of the connecting outer tube (31) is provided with a bottom groove (35) for embedding three groups of first springs (61), and the middle part of one side of the metal gasket (62) is provided with a circular through hole.

6. A pipe sealing connection as defined in claim 5 wherein: the inside one end internal diameter of connecting inner tube (41) is the same with the external diameter of second pipeline (2), and the inside other end internal diameter of connecting inner tube (41) is the same with the internal diameter of second pipeline (2), ring channel (42) have been seted up to the one end in connecting inner tube (41) outside, ring channel (42) are embedded to have first sealing washer (43), the external diameter of first sealing washer (43) is greater than the internal diameter of adapter sleeve (32).

7. A pipe sealing connection as defined in claim 1 wherein: the outside slip cap of second pipeline (2) is equipped with protection urceolus (5), the outside one end threaded connection of inboard one end and adapter sleeve (32) of protection urceolus (5).