CN217683760U

CN217683760U - Connecting structure of metal pipeline and non-metal pipeline

Info

Publication number: CN217683760U
Application number: CN202123442874.7U
Authority: CN
Inventors: 余子毅; 刘湘为; 杨逊源
Original assignee: Hunan Honggong Intelligent Technology Co Ltd
Current assignee: Hunan Honggong Intelligent Technology Co Ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-10-28
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a metal pipeline and non-metal pipeline's connection structure, including pipeline one and pipeline two, pipeline one bottom is equipped with the flange, and the flange is equipped with inside sunken tang at the opening part of pipeline one, and two upper pot heads of pipeline have a bottom plate, and pipeline two is in the top of bottom plate is equipped with the ring channel, and the ring channel inside callipers has the snap ring, states the snap ring and comprises two semi-circular cardboard, and the top end face of pipeline two supports the tang, and the snap ring is established between flange and bottom plate, and flange, snap ring and bottom plate pass through locking device to be fixed together, and this connection structure is simple, and easily dismantlement is suitable for the pipe diameter extensively, has that the leakproofness is good, carries advantages such as no residue.

Description

Connecting structure of metal pipeline and non-metal pipeline

Technical Field

The utility model relates to a pipeline connects technical field, especially relates to a connection structure of metal pipeline and non-metal pipeline.

Background

The metal pipes are connected in a welding mode, the sealing effect is good, but the connection is difficult to realize under the working condition that metal welding is not allowed. In addition, for the connection between the metal pipe and the nonmetal pipe, the welding cannot be completed due to the different properties of the metal and the nonmetal, which makes the sealed connection between the nonmetal pipe and the metal pipe difficult to realize.

SUMMERY OF THE UTILITY MODEL

To the defect that above-mentioned prior art exists, the utility model aims to provide a connection structure of metal pipeline and non-metal pipeline, simple structure easily dismantles, and suitable pipe diameter is extensive, has that the leakproofness is good, carry and do not have advantages such as remain.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a connection structure of metal pipeline and non-metal pipeline, includes pipeline one and pipeline two, pipeline one bottom is equipped with the flange, the flange is in the opening part of pipeline one is equipped with inside sunken tang, two upper pot heads on the pipeline have the bottom plate, pipeline two is in the top of bottom plate is equipped with the ring channel, the ring channel inside callipers has the snap ring, the snap ring comprises two semi-circular cardboard, the top end face of pipeline two supports the tang, the snap ring is established the flange with between the bottom plate, the flange the snap ring with the bottom plate passes through locking device and fixes together.

Preferably, the first pipeline is a metal pipeline, and the second pipeline is a non-metal pipeline; or the first pipeline is a non-metal pipeline, and the second pipeline is a metal pipeline.

Preferably, the locking device comprises a bolt, a washer and a nut, and a plurality of threaded holes for screwing the bolt are formed in the peripheries of the flange, the clamping ring and the bottom plate.

Preferably, the outer wall of the second pipeline is provided with a limiting block for limiting the position of the bottom plate.

Preferably, a sealing ring is arranged in the spigot, and the sealing ring is arranged between the flange and the end face of the top of the pipeline.

Preferably, the flange, the snap ring and the bottom plate are all annular.

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

1. be fixed with the flange on the pipeline one, the cover is equipped with the bottom plate and sets up the ring channel on the pipeline two, uses the snap ring card to go into the ring channel, supports the tang on the flange with the top terminal surface of pipeline two, and is fixed as an organic whole with flange, snap ring and bottom plate through locking device, realizes the sealing connection of pipeline one and pipeline two, reaches the connection between metal pipeline and the non-metal pipeline, the utility model has the advantages of the leakproofness is good, carry not have and remain.

2. The bottom plate is sleeved on the second pipeline, the two semicircular clamping plates are symmetrically embedded into the annular groove, and finally the locking device is adopted for fixing, so that the whole connecting structure is simple, easy to detach and convenient to maintain, and is suitable for pipe diameters of different types.

Drawings

Fig. 1 is an exploded view of the present invention;

FIG. 2 is a cross-sectional view of a first conduit according to the present invention;

FIG. 3 is a cross-sectional view of a second duct of the present invention;

fig. 4 is a cross-sectional view of the present invention.

In the figure: 1. a first pipeline; 2. a second pipeline; 3. a flange; 4. stopping the opening; 5. a base plate; 6. an annular groove; 7. a snap ring; 701. a semicircular clamping plate; 8. a threaded hole; 9. and (4) a locking device.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly understood, the following description will be made with reference to the accompanying drawings and embodiments.

Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Example 1

As shown in fig. 1 to fig. 4, the connection structure for a metal pipeline and a non-metal pipeline provided in this embodiment includes a first pipeline 1 and a second pipeline 2, wherein a bottom end of the first pipeline 1 is connected to a top end of the second pipeline 2, in this embodiment, the first pipeline 1 is a metal pipeline, and the second pipeline 2 is a non-metal pipeline.

The bottom of the first pipeline 1 is provided with a flange 3, the flange 3 is welded on the first pipeline 1, the periphery of the flange 3 is provided with a certain number of threaded holes 8, the flange 3 is provided with a spigot 4 which is sunken inwards at the opening of the first pipeline 1, and the spigot 4 has a certain depth; the upper end cover of the second pipeline 2 is provided with a bottom plate 5, the inner hole in the middle of the bottom plate 5 is consistent with the outer diameter of the second pipeline 2, threaded holes 8 are formed in the periphery of the bottom plate 5, an annular groove 6 is formed in the outer wall of the second pipeline 2, the annular groove 6 is located above the bottom plate 5, a clamping ring 7 is clamped in the annular groove 6, the top end face of the second pipeline 2 abuts against the spigot 4, the clamping ring 7 is arranged between the flange 3 and the bottom plate 5, and the flange 3, the clamping ring 7 and the bottom plate 5 are fixed together through a locking device 9.

The thickness of snap ring 7 is highly unanimous with ring channel 6, and snap ring 7 periphery also is equipped with screw hole 8 of certain quantity and size, and snap ring 7 comprises two semi-circular cardboard 701, and two semi-circular cardboard 701 imbed respectively in the ring channel 6, form a circular shape whole ring, and snap ring 7 is used for injecing the degree of freedom of two 2 pipelines in the three direction in space. The distance between the annular groove 6 and the top end face of the second pipeline 2 is slightly larger than the depth of the seam allowance 4 arranged at the end of the flange 3 on the first pipeline 1, and the annular groove is in interference extrusion contact with the seam allowance so as to achieve a sealing effect.

Locking device 9 includes bolt, packing ring and nut, and the periphery of flange 3, snap ring 7 and bottom plate 5 all is equipped with the screw hole 8 that a plurality of confession bolt screw in, and flange 3, snap ring 7 and bottom plate 5 are fixed through bolted connection, because flange 3 and pipeline 1 structure as an organic whole, consequently flange 3, snap ring 7 and bottom plate 5 fixed have restricted the degree of freedom of pipeline two 2, ensure that the terminal surface of pipeline one 1 and pipeline two 2 closely laminates.

Preferably, the flange 3, the snap ring 7 and the bottom plate 5 are all annular, after the flange 3, the snap ring 7 and the bottom plate 5 are fixed, the outermost diameters of the flange 3, the snap ring 7 and the bottom plate 5 are equal, and the outer wall of the second pipeline 2 is provided with a limiting block for limiting the position of the bottom plate 5.

The working principle is as follows: the bottom plate 5 is sleeved at the upper end of the second pipeline 2, the end face of the top end of the second pipeline 2 abuts against the spigot 4 on the flange 3, the two semicircular clamping plates 701 are symmetrically clamped into the annular groove 6, a clamping ring 7 is formed between the flange 3 and the bottom plate 5, and the flange 3, the clamping ring 7 and the bottom plate 5 are fixed together by using a locking device 9 to achieve the sealing connection of the first pipeline 1 and the second pipeline 2.

This embodiment simple structure, easily dismantlement, the leakproofness is good, carries the junction to have not remained, and suitable pipe diameter is extensive.

Example 2

This example differs from example 1 in that: the first pipeline 1 is a non-metal pipeline, the second pipeline 2 is a metal pipeline, and the non-metal pipeline and the metal pipeline are hermetically connected by adopting the same structure as that of the embodiment 1.

Besides using bolts, the locking device 9 can be connected by other fixing methods such as hoops or hoops, and the like, so that the same effect is achieved.

Except that this embodiment adopts metal and nonmetal interference extrusion contact to reach sealed effect, also can set up the sealing washer in tang 4 through reserving the clearance in order to reach sealed effect, the sealing washer is established between flange 3 and the second 2 top end faces of pipeline.

Example 3

The present example differs from example 1 in that: pipeline 1 is the non-metal pipeline, and pipeline two 2 is the non-metal pipeline, adopts the structure the same with embodiment 1 to reach the sealing connection of non-metal pipeline and non-metal pipeline.

Example 4

This example differs from example 1 in that: the first pipeline 1 is a metal pipeline, the second pipeline 2 is a metal pipeline, and the metal pipeline are connected in a sealing mode by adopting the structure the same as that of the embodiment 1.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principles of the present invention should fall within the protection scope of the present invention.

Claims

1. The utility model provides a connection structure of metal pipeline and non-metal pipeline, its characterized in that, includes pipeline (1) and pipeline two (2), pipeline (1) bottom is equipped with flange (3), flange (3) are in the opening part of pipeline (1) is equipped with inside sunken tang (4), two (2) upper end covers of pipeline have bottom plate (5), pipeline two (2) are in the top of bottom plate (5) is equipped with ring channel (6), ring channel (6) inside callipers have snap ring (7), snap ring (7) comprise two semi-circular cardboard (701), the top terminal surface of pipeline two (2) supports tang (4), snap ring (7) are established flange (3) with between bottom plate (5), flange (3) snap ring (7) with bottom plate (5) are fixed together through locking device (9).

2. The connecting structure of a metal pipeline and a non-metal pipeline according to claim 1, wherein the pipeline one (1) is a metal pipeline, and the pipeline two (2) is a non-metal pipeline; or the first pipeline (1) is a non-metal pipeline, and the second pipeline (2) is a metal pipeline.

3. The connecting structure of the metal pipeline and the nonmetal pipeline according to the claim 1, characterized in that the locking device (9) comprises a bolt, a washer and a nut, and the periphery of the flange (3), the snap ring (7) and the bottom plate (5) is provided with a plurality of threaded holes (8) for the bolt to be screwed in.

4. The connecting structure of the metal pipeline and the nonmetal pipeline according to claim 1, wherein the outer wall of the second pipeline (2) is provided with a limiting block for limiting the position of the bottom plate (5).

5. The connecting structure of the metal pipeline and the nonmetal pipeline according to the claim 1, characterized in that a sealing ring is arranged in the spigot (4), and the sealing ring is arranged between the flange (3) and the top end face of the second pipeline (2).

6. A connection structure between a metal pipe and a non-metal pipe according to any one of claims 1 to 5, characterized in that said flange (3), said snap ring (7) and said bottom plate (5) are all annular.