CN221278753U - Metal pipe fitting connection structure - Google Patents

Abstract

The utility model relates to the technical field of pipe fitting connection and discloses a metal pipe fitting connection structure, which comprises two connection pipelines, wherein one side of the outer surface of each connection pipeline is sleeved with a lantern ring, the annular array of the outer surface of each lantern ring is fixedly connected with a fixing structure, the middle part of each fixing structure is movably connected with a fastening component, one side of the inner wall of each lantern ring is fixedly connected with a connecting ring, the left end of each connecting ring is provided with a connecting groove, one end of each connecting groove, which is close to the inner wall of each lantern ring, is fixedly connected with a sealing rubber strip, the two pipelines are connected together through the connecting rings and the connecting grooves on the inner side, and meanwhile, sealing plates and the sealing rubber strips are added at the connecting positions, so that the connection of the two connection pipelines is tighter, the fixing structures on the two sides are fixed together through the fastening bolts, the fastening plates are installed in the adaptive limiting grooves, gaps at the connecting positions are avoided, the pipe fitting connection is firmer, and meanwhile, the disassembly is convenient.

Description

Metal pipe fitting connection structure

Technical Field

The utility model relates to the technical field of pipe fitting connection, in particular to a metal pipe fitting connection structure.

Background

The pipe fittings are parts which play roles of connection, control, diversion, sealing, support and the like in a pipeline system, the metal pipe fittings are increasingly used in various industrial fields, the connection mode between the metal pipe fittings is usually a welding mode, and the non-welding mode usually adopts a common clamping or ring pressing connection mode.

The prior art has the following defects: the pipe fitting connection in the prior art is generally through the connection technology of threaded connection's pipe, adds sealant or sealing tape in two pipeline connection's position and seals, but the pipeline after the connection is dismantled very troublesome, uses welded connected mode simultaneously, just can't dismantle after two metal pipe fittings are connected, and complex operation causes the wasting of resources easily, has increased cost and work load.

Disclosure of utility model

In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides a metal pipe connection structure to solve the above-mentioned problems in the prior art.

The utility model provides the following technical scheme: including two connecting tubes, connecting tube surface one side cover is equipped with the lantern ring, lantern ring surface annular array fixedly connected with fixed knot constructs, fixed knot constructs middle part swing joint and has fastening components, lantern ring inner wall one side fixedly connected with go-between, the spread groove has been seted up to the go-between left end, the one end fixedly connected with closing plate that the spread groove is close to the lantern ring inner wall, go-between inner wall fixedly connected with joint strip.

Preferably, the fixed knot constructs including the fixed block, the spacing groove has been seted up to the fixed block left end, the fixed block other end fixedly connected with stopper, the mounting hole has been seted up at the fixed block middle part.

Preferably, the fastening assembly comprises a fastening bolt, a first fastening plate and a second fastening plate are sleeved on the outer surface of the fastening bolt, and a nut is movably connected to the outer surface of the fastening bolt.

Preferably, the fastening bolts are movably connected in the mounting holes, and the fastening bolts penetrate through the two mounting holes.

Preferably, the shape and the size of the first fastening plate and the second fastening plate are matched with the shape and the size of the inner cavity of the limit groove, and the limit block, the first fastening plate and the second fastening plate are movably connected to the inner cavity of the limit groove.

Preferably, the connecting pipeline comprises an outer pipe and an inner pipe, one end of the outer pipe, which is close to the lantern ring, is connected with the sealing plate, and the inner pipe is movably connected with the inner cavity of the connecting groove.

Preferably, the diameter of the inner ring of the inner tube is matched with the diameter of the outer ring of the sealing rubber strip.

The utility model has the technical effects and advantages that:

1. According to the utility model, the connecting pipelines on two sides are connected through the lantern ring, the two pipelines are connected together through the connecting rings and the connecting grooves on the inner side, and the sealing plate and the sealing rubber strip are added at the joint, so that the two connecting pipelines are connected more tightly, the pipelines are not required to be welded in a welding mode, and the operation is simple and convenient.

2. According to the utility model, the fixing structure and the fastening assembly are arranged to fix the lantern ring, the fixing structures at two sides are fixed together through the fastening bolts, and the two fastening plates are arranged in the limit grooves which are matched, so that gaps can not appear at the connecting ports of the two fixing structures, the two fixing structures are fixed through the nuts, the connection of the two pipe fittings is completed, the connection of the pipe fittings is firmer, and meanwhile, the pipe fittings are convenient to detach.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic diagram of the internal structure of the present utility model.

Fig. 3 is an enlarged schematic view of the structure a in fig. 2 according to the present utility model.

Fig. 4 is a schematic cross-sectional structure of the present utility model.

The reference numerals are: 1. a connecting pipe; 11. an outer tube; 12. an inner tube; 2. a collar; 3. a fixed structure; 31. a fixed block; 32. a limit groove; 33. a limiting block; 34. a mounting hole; 4. a fastening assembly; 41. a fastening bolt; 42. a first fastening plate; 43. a second fastening plate; 44. a nut; 5. a connecting ring; 6. a connecting groove; 7. a sealing plate; 8. and (5) sealing the adhesive tape.

Detailed Description

The embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the present utility model, and the configurations of the structures described in the following embodiments are merely examples, and the metal pipe connection structure according to the present utility model is not limited to the structures described in the following embodiments, and all other embodiments obtained by a person having ordinary skill in the art without making any creative effort are within the scope of the present utility model.

The utility model provides a metal pipe fitting connecting structure, which is shown in fig. 1 and 2, and comprises two connecting pipes 1, wherein a lantern ring 2 is sleeved on one side of the outer surface of each connecting pipe 1, the connecting positions of the two connecting pipes 1 are protected by the lantern ring 2, a fixed structure 3 is fixedly connected to the annular array of the outer surface of each lantern ring 2, a fastening assembly 4 is movably connected to the middle part of the fixed structure 3, a connecting ring 5 is fixedly connected to one side of the inner wall of each lantern ring 2, a connecting groove 6 is formed in the left end of each connecting ring 5, a sealing plate 7 is fixedly connected to one end of each connecting groove 6 close to the inner wall of each lantern ring 2, a sealing rubber strip 8 is fixedly connected to the inner wall of each connecting ring 5, and the sealing performance of connection is guaranteed through the sealing plates 7 and the sealing rubber strips 8.

Further, fixed knot constructs 3 including fixed block 31, limit groove 32 has been seted up to fixed block 31 left end, fixed block 31 other end fixedly connected with stopper 33, mounting hole 34 has been seted up at fixed block 31 middle part, guarantees the compactness of being connected between two fixed blocks 31 through limit groove 32 and stopper 33, increases the firmness of being connected between two connecting tube 1 through fixed knot constructs 3.

Further, as shown in fig. 3, the fastening component 4 comprises a fastening bolt 41, a first fastening plate 42 and a second fastening plate 43 are sleeved on the outer surface of the fastening bolt 41, nuts 44 are movably connected to the outer surface of the fastening bolt 41, the fixing structures 3 on the outer surfaces of the two collars 2 are locked through the fastening component 4, the stability of pipe connection is guaranteed, the pipe is connected through the fixing structures 3 and the fastening component 4, the metal pipe is not required to be connected through a welding mode, the metal pipe can be directly reused after being disassembled, the resource waste and the operation difficulty are reduced, and meanwhile the situation that the pipe connected through a threaded connection mode cannot be disassembled is avoided.

Further, the fastening bolt 41 is movably connected in the mounting hole 34, the fastening bolt 41 penetrates through the two mounting holes 34, the fixing blocks 31 on two sides are connected together through the fastening bolt 41, the shape and the size of the first fastening plate 42 and the second fastening plate 43 are matched with those of the inner cavity of the limiting groove 32, the limiting block 33, the first fastening plate 42 and the second fastening plate 43 are movably connected in the inner cavity of the limiting groove 32, the fastening performance of connection between the fastening assembly 4 and the fixing structure 3 is improved through the first fastening plate 42 and the second fastening plate 43, the generation of gaps at the positions of connecting ports is reduced, the service life of connecting pipes is prolonged, and the phenomenon that the connecting pipes are separated after long-time use is avoided.

Further, as shown in fig. 4, the connecting pipeline 1 comprises an outer pipe 11 and an inner pipe 12, one end of the outer pipe 11, which is close to the lantern ring 2, is connected with the sealing plate 7, the inner pipe 12 is movably connected with the inner cavity of the connecting groove 6, and the diameter of the inner ring of the inner pipe 12 is matched with the diameter of the outer ring of the sealing rubber strip 8, so that the joint of the connecting pipeline 1 and the connecting groove 6 as well as the sealing plate 7 is sealed, and the situation that a gap appears at the joint of the two connecting pipelines 1, and liquid in the pipeline leaks is avoided.

The working principle of the utility model is as follows: the two metal pipe fittings to be connected are respectively inserted into the corresponding lantern rings 2, the connecting positions of the two connecting pipelines 1 are protected through the lantern rings 2, the outer pipe 11 and the inner pipe 12 of the connecting pipeline 1 are respectively connected at the corresponding connecting grooves 6 and the corresponding sealing plates 7, the tightness of connection is guaranteed through the sealing plates 7 and the sealing rubber strips 8, gaps are avoided at the connecting positions of the two connecting pipelines 1, the situation that liquid in the pipelines leaks out is avoided, after connection is completed, the two lantern rings 2 are placed together, the positions of the fixing structures 3 on the outer surfaces of the two lantern rings 2 are aligned, no gaps are reserved between the two fixing blocks 31 through the limiting grooves 32 and the limiting blocks 33, after alignment, the fastening bolts 41 penetrate through the two mounting holes 34, the first fastening plates 42 and the second fastening plates 43 are placed in the corresponding limiting grooves 32, the connection between the fastening assemblies 4 and the fixing structures 3 is tight, gaps are avoided, the nuts 44 are rotated after the fixing is completed, the fastening assemblies 4 are fixed, the metal pipe fittings are not required to be connected in a welding mode, and the waste of resources can be directly reduced after the metal pipe fittings are detached.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

Secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

Finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (7)

1. A metal pipe fitting connection structure, comprising two connecting pipes (1), characterized in that: connecting tube (1) surface one side cover is equipped with lantern ring (2), lantern ring (2) surface annular array fixedly connected with fixed knot constructs (3), fixed knot constructs (3) middle part swing joint has fastening assembly (4), lantern ring (2) inner wall one side fixedly connected with go-between (5), spread groove (6) have been seted up to go-between (5) left end, one end fixedly connected with closing plate (7) that spread groove (6) are close to lantern ring (2) inner wall, spread groove (5) inner wall fixedly connected with joint strip (8).

2. A metal pipe fitting connection structure according to claim 1, wherein: the fixing structure (3) comprises a fixing block (31), a limiting groove (32) is formed in the left end of the fixing block (31), a limiting block (33) is fixedly connected to the other end of the fixing block (31), and a mounting hole (34) is formed in the middle of the fixing block (31).

3. A metal pipe fitting connection structure according to claim 2, characterized in that: the fastening assembly (4) comprises a fastening bolt (41), a first fastening plate (42) and a second fastening plate (43) are sleeved on the outer surface of the fastening bolt (41), and a nut (44) is movably connected to the outer surface of the fastening bolt (41).

4. A metal pipe fitting connection structure according to claim 3, wherein: the fastening bolts (41) are movably connected in the mounting holes (34), and the fastening bolts (41) penetrate through the two mounting holes (34).

5. A metal pipe fitting connection structure according to claim 3, wherein: the shape and the size of the first fastening plate (42) and the second fastening plate (43) are matched with the shape and the size of the inner cavity of the limiting groove (32), and the limiting block (33), the first fastening plate (42) and the second fastening plate (43) are movably connected to the inner cavity of the limiting groove (32).

6. A metal pipe fitting connection structure according to claim 1, wherein: the connecting pipeline (1) comprises an outer pipe (11) and an inner pipe (12), one end, close to the lantern ring (2), of the outer pipe (11) is connected with the sealing plate (7), and the inner pipe (12) is movably connected to the inner cavity of the connecting groove (6).

7. A metal pipe fitting connection structure according to claim 6, wherein: the diameter of the inner ring of the inner tube (12) is matched with the diameter of the outer ring of the sealing rubber strip (8).