CN217302016U - Pipeline joint - Google Patents

Abstract

The utility model belongs to the technical field of pipeline joints, and discloses a pipeline joint, which comprises a first shell, a second shell, a fixed structure and a sealing structure; the first shell is in a semicircular structure, and two sides of the first shell are provided with first connecting parts; the second shell is in a semicircular structure, and two sides of the second shell are provided with second connecting parts; the fixing structure comprises a first fixing piece and a second fixing piece, the first fixing piece is riveted on the first connecting part, the second fixing piece is riveted on the second connecting part, and the first connecting part and the second connecting part on the same side are arranged between the first fixing piece and the second fixing piece and are fixedly connected through bolts; the sealing structure is clamped between the first shell and the second shell and is configured to hermetically connect the first pipeline and the second pipeline; the welding procedure in the prior art can be cancelled in the manufacturing process of the pipeline joint, the strength of the installation position of the pipeline joint is enhanced, the connection stability is improved, and the cost is reduced.

Description

Pipeline joint

Technical Field

The utility model relates to a pipe joint technical field especially relates to a pipe joint.

Background

In today's society, pipelines are used in a wide variety of applications, mainly in water supply, drainage, heating, gas supply, long-distance transportation of oil and gas, agricultural irrigation, hydraulic engineering and various industrial installations. The pipeline joint is used for connecting the parts of the pipeline, has more types, can be made of alloy steel, has low manufacturing cost and high strength, but has thin wall thickness, and still has the problems of unstable joint fixation, low strength and the like when the pipeline is butted.

In the prior art, a person skilled in the art also improves the fixing strength of the pipeline joint by various ways, for example, a fixing block is welded at a fixing position to reinforce the mounting and fixing position, but the welding process is added, and the problems of instability and high cost still exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pipe joint can improve the intensity of pipe joint mounted position, solves the unstable problem of pipe joint connection, and the cost is reduced.

To achieve the purpose, the utility model adopts the following technical proposal:

a pipe coupling for connecting a first pipe to a second pipe, wherein said pipe coupling comprises:

the first shell is of a semicircular structure, and two sides of the first shell are provided with first connecting parts;

the second shell is of a semicircular structure, and two sides of the second shell are provided with second connecting parts;

a fixing structure including a first fixing piece and a second fixing piece, the first fixing piece being riveted to the first connecting portion, the second fixing piece being riveted to the second connecting portion, the first connecting portion and the second connecting portion on the same side being interposed between the first fixing piece and the second fixing piece and fixedly connected by a bolt;

and a seal structure interposed between the first casing and the second casing, the seal structure being configured to seal and connect the first duct and the second duct.

Alternatively, the first fixing piece may be provided with a first through hole, the second fixing piece may be provided with a second through hole, the first connecting portion may be provided with a third through hole, the second connecting portion may be provided with a fourth through hole, and the bolt may be screwed with a nut through the first through hole, the third through hole, the fourth through hole, and the second through hole.

Optionally, the first fixing plate is provided with a first boss, the second fixing plate is provided with a second boss, the first through hole is opened on the first boss, and the second through hole is opened on the second boss.

Optionally, the second boss is provided with a hexagonal insertion groove for inserting the nut, and an axis of the hexagonal insertion groove coincides with an axis of the second through hole.

Alternatively, two of the first through hole, the second through hole, the third through hole, and the fourth through hole are provided at an interval in the axial direction of the seal structure.

Alternatively, the first fixing piece may be provided with a first connection hole, the second fixing piece may be provided with a second connection hole, the first connection portion may be provided with a third connection hole, and the second connection portions may be provided with fourth connection holes, and a rivet may be inserted through the first connection hole and the third connection hole to rivet the first fixing piece with the first connection portion, and a rivet may be inserted through the second connection hole and the fourth connection hole to rivet the second fixing piece with the second connection portion.

Optionally, the first connecting holes and the second connecting holes are provided in plural, the first connecting holes are symmetrically and uniformly distributed on two sides of the first fixing piece, and the second connecting holes are symmetrically and uniformly distributed on two sides of the second fixing piece.

Optionally, two ends of the first housing are provided with first semicircular clamping grooves, two ends of the second housing are provided with second semicircular clamping grooves, the first semicircular clamping grooves and the corresponding second semicircular clamping grooves form clamping grooves, and the two clamping grooves are respectively configured to clamp circular protrusions on the first pipeline and the second pipeline.

Optionally, the fixing structure is an aluminum alloy die casting.

Optionally, the first connecting portions are symmetrically disposed along an axis of the first housing, and the second connecting portions are symmetrically disposed along an axis of the second housing.

The utility model has the advantages that:

the utility model provides a pipeline joint, which comprises a first shell, a second shell, a fixed structure and a sealing structure, wherein the first shell and the second shell are both in a semicircular structure, a first connecting part is arranged on two sides of the first shell, and a second connecting part is arranged on two sides of the second shell, so that a cylindrical cavity is formed after the first shell and the second shell are connected, and the first shell and the second shell are more attached to a first pipeline and a second pipeline; the fixing structure comprises a first fixing piece and a second fixing piece, the first fixing piece is riveted on the first connecting portion, the second fixing piece is riveted on the second connecting portion, the first connecting portion and the second connecting portion on the same side are arranged between the first fixing piece and the second fixing piece and fixedly connected through bolts, so that a welding procedure in the prior art can be omitted in the manufacturing process of the pipeline joint, the strength of the installation position of the pipeline joint is enhanced, the connection stability is improved, and the cost is reduced; further, through locating seal structure clamp between first casing and the second casing, can realize stablizing and sealing connection with first pipeline and second pipeline.

Drawings

FIG. 1 is a schematic view of a pipe joint according to an embodiment of the present invention;

FIG. 2 is an exploded view of a pipe joint provided by an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a first housing according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a second fixing sheet according to an embodiment of the present invention.

In the figure:

10. a first housing; 11. a first connection portion; 111. a third through hole; 112. a third connection hole; 12. a first semicircular clamping groove; 13. a first groove;

20. a second housing; 21. a second connecting portion; 211. a fourth via hole; 212. a fourth connection hole; 22. a second semicircular clamping groove; 23. a second groove;

30. a fixed structure; 31. a first fixing sheet; 311. a first boss; 3111. mounting grooves; 312. a first through hole; 313. a first connection hole; 32. a second fixing sheet; 321. a second boss; 3211. a hexagonal embedded groove; 322. a second through hole; 323. a second connection hole;

40. a bolt;

50. a sealing structure; 51. a limit convex ring;

60. a nut;

70. and (4) riveting.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures associated with the present invention are shown in the drawings, not all of them.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The embodiment provides a pipe joint, it is arranged in the pipe connection, and the pipeline generally uses in various environment, and open-air environment often, therefore pipe joint when connecting tube, need improve its intensity for pipe connection's more firm, just can guarantee its long service life, can not change easily.

In order to solve the above-mentioned problems, as shown in fig. 1, the present embodiment provides a pipe joint including a first housing 10, a second housing 20, a fixing structure 30, and a sealing structure 50; first casing 10 and second casing 20 all are semicircular structure, and first casing 10 both sides are equipped with first connecting portion 11, and second casing 20 both sides are equipped with second connecting portion 21, and first connecting portion 11 and second connecting portion 21 can be connected first casing 10 and second casing 20, form the pipe joint with pipeline matching. Further, fixed knot constructs 30 includes first stationary blade 31 and second stationary blade 32, first stationary blade 31 rivets with first connecting portion 11, second stationary blade 32 rivets with second connecting portion 21, first connecting portion 11 and second connecting portion 21 of homonymy are arranged in between first stationary blade 31 and the second stationary blade 32, and through bolt 40 fixed connection, can realize the thickening to the pipe joint connecting portion, promote the intensity of two casing mounted positions, and then improve the steadiness of pipe connection, and in the pipe joint course of working, original fixed knot constructs 30 and first connecting portion 11 and second connecting portion 21 welded process respectively has been reduced, and the cost is saved, and the time is saved. Further, a sealing structure 50 is interposed between the first housing 10 and the second housing 20 for sealingly connecting the first pipe and the second pipe.

Through the structure, the strength of the installation position of the pipeline joint can be improved when the pipeline is connected, so that the stability of the pipeline joint when the pipeline is connected is improved; on this basis, through with fixed knot structure 30 respectively with first connecting portion 11 and second connecting portion 21 riveting, reduced welded process among the prior art, improved the production efficiency of product, save time and save cost.

Specifically, as shown in fig. 2 and 3, the first housing 10 is provided with a first groove 13, and the second housing 20 is provided with a second groove 23 for accommodating the sealing structure 50 and giving a certain pressure to the sealing structure 50 when being fixed, improving the stability of the connection. Optionally, after the first housing 10 is connected with the second housing 20, the first groove 13 and the second groove 23 form an accommodating cavity, so that the sealing structure 50 can be stably clamped in the accommodating cavity, and the stability of the pipe connection is improved. Optionally, the two ends of the first casing 10 are provided with first semicircular clamping grooves 12, the two ends of the second casing 20 are provided with second semicircular clamping grooves 22, the first semicircular clamping grooves 12 and the corresponding second semicircular clamping grooves 22 form clamping grooves, the two clamping grooves are used for clamping circular protrusions on the first pipeline and the second pipeline, the freedom degree of the first pipeline and the second pipeline along the axis direction of the first pipeline and the second pipeline is limited, the pipeline joint is more attached to the first pipeline and the second pipeline, and the connection is more stable. In the present embodiment, the first casing 10 is located above the second casing 20, and in other embodiments, the first casing 10 may also be located below the second casing 20.

Optionally, the outer sides of the first connecting portion 11 and the second connecting portion 21 are both arc-shaped, so that the gripping of an operator is facilitated, and the appearance is richer. Optionally, the first connecting portion 11 is symmetrically disposed along the axis of the first housing 10, and the second connecting portion 21 is symmetrically disposed along the axis of the second housing 20, so that the stability of connection of the pipe joint is improved, and the symmetrical arrangement also improves the aesthetic property of the pipe joint.

Further, as shown in fig. 2, the first fixing plate 31 is provided with a first through hole 312; the second fixing plate 32 is provided with a second through hole 322; the first connecting portion 11 is provided with a third through hole 111, the second connecting portion 21 is provided with a fourth through hole 211, the bolt 40 passes through the first through hole 312, the third through hole 111, the fourth through hole 211 and the second through hole 322 to be connected with the nut 60, so that the first fixing piece 31, the first connecting portion 11, the second connecting portion 21 and the second fixing piece 32 can be fixedly connected, and further the first housing 10 and the second housing 20 can be fixedly connected. Alternatively, as shown in fig. 2 and 4, the first fixing plate 31 is provided with a first boss 311, the second fixing plate 32 is provided with a second boss 321, the first through hole 312 is opened on the first boss 311, and the second through hole 322 is opened on the second boss 321, so that the installation positions of the first connecting portion 11 and the second connecting portion 21 can be strengthened, and the stability of the installation positions of the first housing 10 and the second housing 20 is improved. Optionally, two first through holes 312, two second through holes 322, two third through holes 111, and two fourth through holes 211 are arranged at intervals along the axial direction of the sealing structure 50, so that the stress on each joint of the pipe joint along the axial direction is uniform, and the installation stability of the pipe joint is improved.

Optionally, a mounting groove 3111 is formed on the first boss 311, and is matched with the bolt 40, so that after the bolt 40 is tightened, the gasket portion can be placed in the mounting groove 3111. Optionally, as shown in fig. 4, the second boss 321 is opened with a hexagonal insertion groove 3211 for inserting the nut 60, and an axis of the hexagonal insertion groove 3211 coincides with an axis of the second through hole 322, the nut 60 is inserted into the second boss 321, the nut 60 can be prevented from rotating along the axis, when the bolt 40 is tightened, the first shell 10 and the second shell 20 can be tightened only by tightening the bolt 40, a tightening force is generated, so that the pipe joint can be connected stably, the stability of the pipe connection is further ensured, and the use of tools is reduced.

Optionally, the first fixing piece 31 is provided with a first connecting hole 313, the second fixing piece 32 is provided with a second connecting hole 323, the first connecting part 11 is provided with a third connecting hole 112, the second connecting part 21 is provided with a fourth connecting hole 212, the rivet 70 penetrates through the first connecting hole 313 and the third connecting hole 112 to rivet the first fixing piece 31 with the first connecting part 11, and the rivet 70 penetrates through the second connecting hole 323 and the fourth connecting hole 212 to rivet the second fixing piece 32 with the second connecting part 21; the welding process in the prior art is reduced, the production efficiency is improved, and the time and the cost are saved. It is understood that, in other embodiments, the first fixing piece 31 may be riveted to the second connecting portion 21, and the second fixing piece 32 may be riveted to the first connecting portion 11.

Alternatively, a plurality of first connection holes 313 and second connection holes 323 are provided, the first connection holes 313 are symmetrically and evenly distributed on both sides of the first fixing piece 31, and the second connection holes 323 are symmetrically and evenly distributed on both sides of the second fixing piece 32, so that when the first fixing piece 31 is riveted with the first casing 10, and the second fixing piece 32 is riveted with the second casing 20, the connection stability can be improved, the fixing structure 30 is not loosened, the thickness of the installation position of the pipe joint is increased, the connection stability of the pipe joint is improved, and the service life of the pipe joint is prolonged. Alternatively, the fixed structure 30 is an aluminum alloy die casting, which is less costly and more lightweight.

Further, as shown in fig. 2, the sealing structure 50 is shaped like a circular ring, and the inner wall thereof is attached to the first pipe and the second pipe, so that the first pipe and the second pipe are connected in a sealing manner. Optionally, the inner wall is further provided with a limiting convex ring 51, and the inner diameter of the limiting convex ring 51 is smaller than the outer diameters of the first pipeline and the second pipeline, so that the first pipeline and the second pipeline can be extruded and installed in the connection process of the first pipeline and the second pipeline, and the sealing performance of pipeline connection is improved. Through the structure, when the pipeline joint is connected with the first pipeline and the second pipeline, the limiting convex ring 51 is clamped between the first pipeline and the second pipeline, so that the two pipelines can be prevented from being in direct contact, collision and abrasion are avoided, and the sealing performance of the pipeline joint can be improved.

In the present embodiment, as shown in fig. 1 to 4, when the pipe joint connects the first pipe and the second pipe, the first pipe and the second pipe are connected in the sealing structure 50, and at this time, inside the sealing structure 50, the first pipe and the second pipe are limited by the limiting convex ring 51, so as to avoid direct contact between the first pipe and the second pipe; further, the rivet 70 penetrates through the first connecting hole 313 and the third connecting hole 112 to rivet the first fixing piece 31 with the first connecting part 11, the rivet 70 penetrates through the second connecting hole 323 and the fourth connecting hole 212 to rivet the second fixing piece 32 with the second connecting part 21, the first shell 10 and the second shell 20 which are riveted with the fixing structure 30 are sleeved outside the first pipeline, the sealing structure 50 and the second pipeline, the bolt 40 sequentially penetrates through the first through hole 312, the third through hole 111, the fourth through hole 211 and the second through hole 322 and is screwed and connected with the nut 60 embedded in the hexagonal embedded groove 3211, the pipeline joint can be fixed, and the first boss 311 and the second boss 321 are arranged, so that the strength of the connecting position of the pipeline joint is better increased, and the stability of the pipeline joint for connecting the two pipelines is improved; and through setting up a plurality of first through-holes 312, a plurality of third through-holes 111, a plurality of fourth through-holes 211 and a plurality of second through-holes 322, the steadiness when two pipelines are connected to the pipe joint can further be improved.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A pipe joint for connecting a first pipe to a second pipe, the pipe joint comprising:

the device comprises a first shell (10), wherein the first shell (10) is of a semicircular structure, and two sides of the first shell are provided with first connecting parts (11);

the second shell (20), the second shell (20) is in a semicircular structure, and two sides of the second shell are provided with second connecting parts (21);

the fixing structure (30) comprises a first fixing piece (31) and a second fixing piece (32), the first fixing piece (31) is riveted on the first connecting portion (11), the second fixing piece (32) is riveted on the second connecting portion (21), and the first connecting portion (11) and the second connecting portion (21) on the same side are arranged between the first fixing piece (31) and the second fixing piece (32) and fixedly connected through a bolt (40);

a sealing structure (50) interposed between the first housing (10) and the second housing (20), the sealing structure (50) being configured to sealingly connect the first duct and the second duct.

2. The pipe joint according to claim 1, characterized in that said first stator (31) is provided with a first through hole (312) and said second stator (32) is provided with a second through hole (322); the first connecting part (11) is provided with a third through hole (111); the second connecting portion (21) is provided with a fourth through hole (211), and the bolt (40) penetrates through the first through hole (312), the third through hole (111), the fourth through hole (211) and the second through hole (322) and is connected with a nut (60) in a screwing mode.

3. The pipe joint according to claim 2, characterized in that the first fixing plate (31) is provided with a first boss (311), the second fixing plate (32) is provided with a second boss (321), the first through hole (312) opens onto the first boss (311), and the second through hole (322) opens onto the second boss (321).

4. The pipe joint according to claim 3, wherein the second boss (321) is opened with a hexagonal insertion groove (3211) for inserting the nut (60), and an axis of the hexagonal insertion groove (3211) coincides with an axis of the second through hole (322).

5. The pipe joint according to claim 2, wherein the first through hole (312), the second through hole (322), the third through hole (111), and the fourth through hole (211) are each provided at two intervals in an axial direction of the seal structure (50).

6. The pipe joint according to any one of claims 1 to 5, wherein the first fixing plate (31) is provided with a first connecting hole (313), the second fixing plate (32) is provided with a second connecting hole (323), the first connecting portion (11) is provided with a third connecting hole (112), the second connecting portion (21) is provided with a fourth connecting hole (212), a rivet (70) penetrates through the first connecting hole (313) and the third connecting hole (112), the first fixing plate (31) is riveted with the first connecting portion (11), and the rivet (70) penetrates through the second connecting hole (323) and the fourth connecting hole (212), and the second fixing plate (32) is riveted with the second connecting portion (21).

7. The pipe joint according to claim 6, wherein the first coupling hole (313) and the second coupling hole (323) are provided in plurality, the first coupling hole (313) is symmetrically and uniformly distributed at both sides of the first fixing plate (31), and the second coupling hole (323) is symmetrically and uniformly distributed at both sides of the second fixing plate (32).

8. The pipe joint according to any one of claims 1 to 5, wherein the first housing (10) is provided at two ends thereof with first semicircular clamping grooves (12), the second housing (20) is provided at two ends thereof with second semicircular clamping grooves (22), the first semicircular clamping grooves (12) and the corresponding second semicircular clamping grooves (22) form clamping grooves, and the two clamping grooves are respectively configured to clamp the circular protrusions on the first pipe and the second pipe.

9. A pipe joint according to any one of claims 1-5, wherein the fixing structure (30) is an aluminium alloy die cast part.

10. The pipe joint according to any of claims 1 to 5, wherein the first connection portion (11) is symmetrically arranged along the axis of the first housing (10) and the second connection portion (21) is symmetrically arranged along the axis of the second housing (20).

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