CN216479504U

CN216479504U - Wear-resisting metal joint convenient to replace

Info

Publication number: CN216479504U
Application number: CN202122894249.XU
Authority: CN
Inventors: 于忠伟
Original assignee: Dalian Fangwei Machinery Manufacturing Co ltd
Current assignee: Dalian Fangwei Machinery Manufacturing Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-05-10
Anticipated expiration: 2031-11-24

Abstract

The utility model discloses a wear-resistant metal joint convenient to replace, and relates to the technical field of pipelines and related equipment thereof. The metal joint comprises a metal joint body, wherein pipelines are arranged at two ends of the metal joint body, the metal joint body comprises a connecting piece and a telescopic piece, the connecting piece comprises a first connecting pipe, a second connecting pipe and a sealing ring, one end of the first connecting pipe is fixedly connected with the second connecting pipe, the sealing ring is fixedly connected to the inner wall of one side of the second connecting pipe, the telescopic piece comprises an outer pipe, a mounting groove and an inner pipe, two ends of the inner pipe are connected to the inner side of the mounting groove in a clearance mode, and the mounting grooves are respectively formed in the opposite surfaces of the outer pipe. The metal joint body is convenient to assemble and disassemble by utilizing the connecting piece and the telescopic piece and through the threaded connection between the second connecting pipe in the connecting piece and the pipeline, and meanwhile, the length of the metal joint body is changed by changing the position relation between the outer pipe and the inner pipe in the telescopic piece, so that the metal joint is convenient to use.

Description

Wear-resisting metal joint convenient to replace

Technical Field

The utility model belongs to the technical field of pipelines and related equipment thereof, and particularly relates to a wear-resistant metal joint convenient to replace.

Background

Various pipelines are very common in people's life, and are used for transporting tap water or natural gas, etc. through the pipeline, and in the user of the pipeline, its metal joint is a very common pipeline connecting piece, through the connection of two sections of pipelines of realization of metal joint, and metal joint compares plastics to connect, and its wear resistance of metal joint is stronger, but it still has following drawback in the in-service use:

1. when the existing wear-resistant metal joint convenient to replace is used, the existing metal joint is inconvenient to assemble and disassemble, so that the workload of workers is increased when the joint needs to be replaced, and the existing wear-resistant metal joint is inconvenient to use;

2. when the existing wear-resistant metal joint convenient to replace is used, the length of the existing metal joint is fixed, and if the distance between two sections of pipelines is too large in the using process, the metal joint cannot be connected with the two sections of pipelines, so that the wear-resistant metal joint is inconvenient to use.

Therefore, the existing wear-resistant metal joint which is convenient to replace can not meet the requirements in actual use, so that an improved technology is urgently needed in the market to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a wear-resistant metal joint convenient to replace, wherein a metal joint body is convenient to assemble and disassemble by utilizing a connecting piece and an expansion piece and through threaded connection between a second connecting pipe in the connecting piece and a pipeline, and meanwhile, the length of the metal joint body is changed by changing the position relation between an outer pipe and an inner pipe in the expansion piece, so that the metal joint is convenient to use.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a wear-resistant metal joint convenient to replace, which comprises a metal joint body, wherein two ends of the metal joint body are respectively provided with a pipeline, the metal joint body comprises a connecting piece and an expansion piece, the connecting piece comprises a first connecting pipe, a second connecting pipe and a sealing ring, one end of the first connecting pipe is fixedly connected with the second connecting pipe, the inner wall of one side of the second connecting pipe is fixedly connected with the sealing ring, the second connecting pipe is in threaded connection with one side of the outer wall of the pipeline, the expansion piece comprises an outer pipe, a mounting groove and an inner pipe, two ends of the inner pipe are respectively in clearance connection with the inner side of the mounting groove, and the mounting grooves are respectively formed in the opposite surfaces of the outer pipe.

Further, second screw holes are evenly formed in the outer surface of the second connecting pipe, the inner side of each second screw hole is connected with a bolt in a threaded mode, one end of each bolt penetrates through the corresponding second screw hole and is connected to the inner side of the corresponding first screw hole in a threaded mode, the corresponding first screw holes are evenly formed in the outer wall of one side of the pipeline, and in the using process, the bolts are arranged to reinforce the connection between the second connecting pipe and the pipeline.

Furthermore, be the internal thread setting on the inner wall of second connecting pipe, and be the external screw thread setting on the outer wall of pipeline, internal thread on the second connecting pipe inner wall closes with the external screw thread on the pipeline outer wall soon and is connected.

Further, the outer wall of the first connecting pipe is sleeved with a rotating block, the rotating block is of a regular hexagon structure, and the rotating block is convenient to rotate the first connecting pipe and the second connecting pipe in the using process.

Furthermore, the other end of the first connecting pipe is rotatably connected to the inner side of the bearing, the bearing is fixedly connected to the inner side of the groove, and the groove is formed in the back surface of the outer pipe in the using process.

Further, the equal fixedly connected with limiting plate in both ends of inner tube, and evenly seted up the through-hole on the outer wall of limiting plate, through-hole internal clearance is connected with the gag lever post, and the both ends of gag lever post all run through the through-hole and respectively clearance connection on the both sides inner wall of mounting groove, and in the use, setting up of gag lever post and limiting plate makes the relative motion between outer tube and the inner tube more stable.

The utility model has the following beneficial effects:

1. according to the utility model, through the arrangement of the connecting piece, in the use process, the sealing ring is firstly placed on the inner side of the second connecting pipe, then the pipeline is placed on one side of the second connecting pipe, the second connecting pipe is positively rotated, the second connecting pipe is connected with the pipeline through the threads, and the pipeline is enabled to move along the screwing direction of the threads under the action of the threads, so that the pipeline is connected with the second connecting pipe.

2. According to the utility model, through the arrangement of the telescopic piece, in the installation process, when the distance between the pipelines is too large, a worker can apply an external force to the outer pipes on the two sides, the outer pipes move back to back under the action of the force, so that the inner pipes move out of the installation groove, the length of the telescopic piece is changed, the length of the metal joint body is changed, in the process that the inner pipes move relative to the outer pipes, the limiting plates at the two ends of the inner pipes slide on the outer surfaces of the limiting rods, and the movement of the inner pipes is hindered through the action of friction force between the limiting rods and the limiting plates, so that the relative movement between the outer pipes and the inner pipes is more stable, the phenomenon that the pipelines cannot be connected due to insufficient length of the metal joint body is avoided, the connection between the pipelines by the worker is facilitated, and the use is convenient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the pipe of the present invention;

FIG. 3 is an exploded view of the construction of the connector of the present invention;

FIG. 4 is an exploded view of the construction of the telescoping member of the present invention;

FIG. 5 is a schematic structural view of the inner tube of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a metal joint body; 2. a pipeline; 21. a first threaded hole; 3. a connecting member; 31. a first connecting pipe; 32. rotating the block; 33. a second threaded hole; 34. a second connecting pipe; 35. a seal ring; 36. a bolt; 4. a telescoping member; 41. an outer tube; 42. mounting grooves; 43. an inner tube; 44. a groove; 45. a bearing; 46. a limiting rod; 47. a limiting plate; 48. and a through hole.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-5, the utility model relates to a wear-resistant metal joint convenient to replace, which comprises a metal joint body 1, wherein two ends of the metal joint body 1 are respectively provided with a pipeline 2, and the metal joint body 1 comprises a connecting piece 3 and an expansion piece 4;

the connecting piece 3 comprises a first connecting pipe 31, a second connecting pipe 34 and a sealing ring 35, one end of the first connecting pipe 31 is fixedly connected with the second connecting pipe 34, the sealing ring 35 is fixedly connected to the inner wall of one side of the second connecting pipe 34, the second connecting pipe 34 is in threaded connection with one side of the outer wall of the pipeline 2, the inner wall of the second connecting pipe 34 is in internal thread arrangement, the outer wall of the pipeline 2 is in external thread arrangement, and the internal thread on the inner wall of the second connecting pipe 34 is in screwed connection with the external thread on the outer wall of the pipeline 2;

in the using process, firstly, the sealing ring 35 is placed on the inner side of the second connecting pipe 34, then the pipeline 2 is placed on one side of the second connecting pipe 34, the second connecting pipe 34 is rotated forward, the second connecting pipe 34 is connected with the pipeline 2 through threads, and the pipeline 2 moves along the screwing direction of the threads under the action of the threads, so that the pipeline 2 is connected with the second connecting pipe 34, and when the pipeline is required to be disassembled, the pipeline 2 can be separated from the second connecting pipe 34 only by rotating the second connecting pipe 34 reversely;

the telescopic part 4 comprises an outer pipe 41, a mounting groove 42 and an inner pipe 43, wherein both ends of the inner pipe 43 are in clearance connection with the inner side of the mounting groove 42, the mounting grooves 42 are respectively formed in the opposite surfaces of the outer pipe 41, both ends of the inner pipe 43 are fixedly connected with limiting plates 47, through holes 48 are uniformly formed in the outer walls of the limiting plates 47, limiting rods 46 are in clearance connection in the through holes 48, and both ends of the limiting rods 46 penetrate through the through holes 48 and are respectively in clearance connection with the inner walls of both sides of the mounting groove 42;

in the installation, when the interval between pipeline 2 is too big, the staff can apply the effect of external force to the outer tube 41 of both sides, make outer tube 41 carry out the motion dorsad under the effect of force, thereby make inner tube 43 come out from the interior motion of mounting groove 42, thereby reached the length that changes extensible member 4, and then reached the length that changes metal joint body 1, and at the in-process of the relative outer tube 41 motion of inner tube 43, the limiting plate 47 at its inner tube 43 both ends slides on gag lever post 46's surface, effect through the friction force between gag lever post 46 and the limiting plate 47, produce the hindrance effect to the motion of inner tube 43, thereby make the relative motion between outer tube 41 and the inner tube 43 more stable.

As shown in fig. 3, a rotating block 32 is sleeved on the outer wall of the first connecting pipe 31, the rotating block 32 is of a regular hexagon structure, second threaded holes 33 are uniformly formed in the outer surface of the second connecting pipe 34, bolts 36 are connected to the inner side of the second threaded holes 33 in a threaded manner, one ends of the bolts 36 penetrate through the second threaded holes 33 and are connected to the inner side of the first threaded holes 21 in a threaded manner, and the first threaded holes 21 are uniformly formed in the outer wall of one side of the pipeline 2;

specifically, in the using process, the rotating block 32 is welded on the outer surface of the first connecting pipe 31, the side view of the rotating block 32 is in a regular hexagon structure, and the regular hexagon structure is convenient for a worker to apply an external force to the first connecting pipe 31 through the rotating block 32 and further apply an external force to the second connecting pipe 34;

after the pipeline 2 and the second connecting pipe 34 are connected, one end of the bolt 36 penetrates through the second threaded hole 33 in the outer wall of the second connecting pipe 34, and finally the bolt 36 is screwed into the first threaded hole 21 in the outer surface of the pipeline 2, so that the connection between the pipeline 2 and the second connecting pipe 34 is reinforced through the bolt 36, and the pipeline 2 and the second connecting pipe 34 are prevented from being separated due to errors of workers.

As shown in fig. 3 and 4, the other end of the first connecting pipe 31 is rotatably connected to the inner side of a bearing 45, the bearing 45 is fixedly connected to the inner side of the groove 44, and the groove 44 is opened on the back surface of the outer pipe 41;

specifically, in the use, the one end outer wall of first connecting pipe 31 rotates and connects in the inboard of bearing 45, has reduced the coefficient of friction between first connecting pipe 31 and outer tube 41 through setting up of bearing 45 to be convenient for first connecting pipe 31's rotation, and be connected through rotating between first connecting pipe 31 and the outer tube 41, thereby avoid connecting piece 3's rotation to cause the influence to extensible member 4.

The above are only preferred embodiments of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made to the technical solutions described in the above embodiments, and to some of the technical features thereof, are included in the scope of the present invention.

Claims

1. The utility model provides a wear-resisting metal joint of convenient change, includes metal joint body (1), its characterized in that: the utility model discloses a pipe joint, including metal joint body (1), connecting piece (31), second connecting pipe (34), sealing washer (35), and the one end fixedly connected with second connecting pipe (34) of first connecting pipe (31), connecting piece (3) are including first connecting pipe (31), second connecting pipe (34) and sealing washer (35), and the one end fixedly connected with second connecting pipe (34) of first connecting pipe (31), fixedly connected with sealing washer (35) on the inner wall of one side of second connecting pipe (34), and second connecting pipe (34) threaded connection is in outer wall one side of pipeline (2), extensible member (4) include outer tube (41), mounting groove (42) and inner tube (43), and the equal gap connection in the inboard of mounting groove (42) in both ends of inner tube (43), mounting groove (42) are seted up respectively on the facies face of outer tube (41).

2. The wear-resistant metal joint convenient to replace according to claim 1, wherein the second threaded hole (33) is uniformly opened on the outer surface of the second connecting pipe (34), the bolt (36) is screwed inside the second threaded hole (33), one end of the bolt (36) penetrates through the second threaded hole (33) and is screwed inside the first threaded hole (21), and the first threaded hole (21) is uniformly opened on the outer wall of one side of the pipeline (2).

3. The wear-resistant metal joint convenient to replace according to claim 2, wherein the inner wall of the second connecting pipe (34) is provided with an internal thread, the outer wall of the pipeline (2) is provided with an external thread, and the internal thread on the inner wall of the second connecting pipe (34) is screwed with the external thread on the outer wall of the pipeline (2).

4. The wear-resistant metal joint convenient to replace according to claim 1, wherein the outer wall of the first connecting pipe (31) is sleeved with a rotating block (32), and the rotating block (32) is of a regular hexagon structure.

5. A wear-resistant metal joint facilitating replacement according to claim 4, wherein the other end of the first connecting pipe (31) is rotatably connected to the inner side of a bearing (45), and the bearing (45) is fixedly connected to the inner side of a groove (44), and the groove (44) is opened on the back surface of the outer pipe (41).

6. The wear-resistant metal joint convenient to replace according to claim 1, wherein the two ends of the inner pipe (43) are fixedly connected with limiting plates (47), the outer walls of the limiting plates (47) are uniformly provided with through holes (48), the through holes (48) are connected with limiting rods (46) in an inner clearance mode, and the two ends of the limiting rods (46) penetrate through the through holes (48) and are respectively connected to the inner walls of the two sides of the mounting groove (42) in a clearance mode.