CN217927624U

CN217927624U - Corrosion-resistant pipe fitting

Info

Publication number: CN217927624U
Application number: CN202221753552.6U
Authority: CN
Inventors: 单继斌; 王延君
Original assignee: Shandong 100tong Casting Co ltd
Current assignee: Shandong 100tong Casting Co ltd
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2022-11-29
Anticipated expiration: 2032-07-07

Abstract

The utility model discloses a corrosion-resistant pipe fitting belongs to pipe fitting technical field, include: the pipe comprises a plurality of pipe bodies connected end to end and a sealing connection assembly connected between every two adjacent pipe bodies, wherein corrosion-resistant assemblies are arranged on the inner sides of the pipe bodies; sealing connection subassembly establishes go-between one and go-between two at body both ends including establishing respectively, the inboard of go-between one is constructed threaded groove, one side integrated into one piece that go-between two are close to go-between one has the screw ring, and the screw ring spiro union is in the threaded groove that corresponds, the outside of screw ring and go-between one is constructed the screw that corresponds, corresponds the spiro union has connecting bolt in the screw, corrosion-resistant subassembly establishes at the inboard reinforced pipe of body and sets up the corrosion-resistant skin in the reinforced pipe inboard including the cover. This corrosion-resistant pipe fitting, the junction leakproofness of adjacent body is higher in order to avoid leaking, and self corrosion-resistant higher.

Description

Corrosion-resistant pipe fitting

Technical Field

The utility model belongs to the technical field of the pipe fitting, especially, corrosion-resistant pipe fitting.

Background

The pipe fitting is a general name of parts in a pipeline system which have the functions of connection, control, diversion, sealing, support and the like, generally refers to a pipeline which has the function of connection, and in order to ensure the stability of use in a specific scene, a corrosion-resistant pipe fitting is needed.

For example, chinese utility model application number is CN 202021985609.6's a corrosion-resistant type drain pipe fitting, including the pipeline body, the equal fixedly connected with connection pad in both sides of pipeline body, the pipeline body is including outer protective coating, pipe wall and interior protective coating, outer protective coating is located the outside surface of pipe wall, interior protective coating is located the inboard surface of pipe wall, outer protective coating and pipe wall all include nanometer ceramic particle dope layer and graphite fiber corrosion-resistant layer. The utility model discloses a pipeline body, connection pad, mounting hole, outer protective coating, pipe wall, interior protective coating, nano-ceramic particle dope layer and graphite fiber corrosion resistant layer can make the pipe fitting reach corrosion resistant effect's function, have solved drainage pipe fitting on the current market and have not possessed corrosion resistant effect's function, receive external environment influence in the use and easily appear corroding the phenomenon of oxidation, cause the pipe fitting to become fragile and influence use intensity, are unfavorable for the problem that the user used for a long time.

However, the conventional pipe fitting has a problem that the joint between the adjacent pipe bodies is not high enough in sealing performance and is easy to leak.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a corrosion-resistant pipe fitting to solve the problem that proposes in the background art.

The technical scheme is as follows: a corrosion resistant pipe comprising:

the pipe comprises a plurality of pipe bodies connected end to end and a sealing connection assembly connected between every two adjacent pipe bodies, wherein corrosion-resistant assemblies are arranged on the inner sides of the pipe bodies;

sealing connection subassembly establishes the go-between first and go-between two at body both ends including establishing respectively, the inboard of go-between one is constructed threaded groove, one side integrated into one piece that go-between two are close to go-between one has the screw ring, and the screw ring spiro union is in the threaded groove that corresponds, the outside of screw ring and go-between one is constructed the screw that corresponds, corresponds the spiro union has connecting bolt in the screw.

In a further embodiment, the corrosion-resistant assembly comprises a reinforcing pipe sleeved on the inner side of the pipe body and a corrosion-resistant outer layer arranged on the inner side of the reinforcing pipe, a toughness layer is arranged on the inner side of the corrosion-resistant outer layer, and a corrosion-resistant inner layer is arranged on the inner side of the toughness layer.

In a further embodiment, the corresponding sides of the reinforcing pipe, the corrosion-resistant outer layer, the toughness layer and the corrosion-resistant inner layer are flush, and one end of the reinforcing pipe is located on the inner side of the connecting ring II, and the other end of the reinforcing pipe extends to the outer side of the connecting ring I.

In a further embodiment, the outer side of the first connecting ring is provided with a concave hole which is connected with the screw hole, and the head part of the connecting bolt is positioned in the corresponding concave hole.

In a further embodiment, a sealing ring is bonded to the outer edge of one side, close to the first connecting ring, of the second connecting ring.

In a further embodiment, a cast and integrated structure is arranged between the connecting ring II and the threaded ring.

The utility model discloses a technological effect and advantage: according to the corrosion-resistant pipe fitting, adjacent pipe bodies are screwed into the thread grooves through the thread rings and fixed through the connecting bolts to form a three-layer sealing structure, the reinforcing pipes are inserted into the inner sides of the adjacent pipe bodies for sealing, the sealing performance of the joints of the adjacent pipe bodies is higher, and leakage can be avoided;

the corrosion can be obviously prevented by matching the corrosion-resistant outer layer with the corrosion-resistant inner layer, and the structural strength of the corrosion-resistant assembly can be improved by adding the reinforcing pipe on the outer side and the toughness layer of the interlayer, so that the corrosion resistance of the pipe body is ensured to be higher;

this corrosion-resistant pipe fitting, the junction leakproofness of adjacent body is higher in order to avoid leaking, and self corrosion-resistant higher.

Drawings

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

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

fig. 3 is a sectional view of the connection ring two in fig. 2 in the direction of a-a according to the present invention.

In the figure: 1. a pipe body; 2. sealing the connection assembly; 3. sealing the connection assembly; 4. label paper;

21. a connecting ring I; 22. a connecting ring II; 23. a thread groove; 24. a threaded ring; 25. a screw hole; 26. a connecting bolt; 27. a seal ring;

31. a reinforcement tube; 32. an outer corrosion-resistant layer; 33. a ductile layer; 34. and a corrosion-resistant inner layer.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.

In order to solve the proposed problem, the present invention provides a corrosion-resistant pipe fitting as shown in fig. 1 to 3, comprising: the sealing connection assembly 2 comprises a first connecting ring 21 and a second connecting ring 22 which are respectively welded at two ends of the pipe body 1 in a sealing mode, the connection stability and the connection tightness of the first connecting ring 21 and the second connecting ring 22 are improved, a sealing ring 27 is bonded on the outer edge of one side, close to the first connecting ring 21, of the second connecting ring 22, and the sealing tightness after connection is improved in an auxiliary mode;

a thread groove 23 is formed on the inner side of the connecting ring I21, a thread ring 24 is integrally cast and formed on one side, close to the connecting ring I21, of the connecting ring II 22, the structural strength of the integrally cast and formed structure is high, the sealing performance is good, and the thread ring 24 is screwed in the corresponding thread groove 23;

corresponding screw holes 25 are formed in the outer sides of the threaded ring 24 and the first connecting ring 21, connecting bolts 26 are screwed in the corresponding screw holes 25, concave holes are formed in the outer side of the first connecting ring 21 and connected with the screw holes 25, and the heads of the connecting bolts 26 are located in the corresponding concave holes, so that the heads of the connecting bolts 26 cannot be exposed outside to cause the loosening easily due to external force, and the screwing stability of the connecting bolts 26 is improved.

In order to achieve high self corrosion resistance, as shown in fig. 2 and 3, a corrosion-resistant component 3 is arranged on the inner side of a pipe body 1, the corrosion-resistant component 3 comprises a reinforcing pipe 31 which is sleeved on the inner side of the pipe body 1, the structural strength is improved, a corrosion-resistant outer layer 32 is arranged on the inner side of the reinforcing pipe 31, a toughness layer 33 is arranged on the inner side of the corrosion-resistant outer layer 32, and the structural strength is further improved by matching with the reinforcing pipe 31;

the inside of toughness layer 33 is provided with corrosion-resistant inlayer 34, and the corresponding side of reinforcing pipe 31, corrosion-resistant outer layer 32, toughness layer 33 and corrosion-resistant inlayer 34 flushes, and the one end of reinforcing pipe 31 is located the inboard of go-between two 22, and the other end of reinforcing pipe 31 extends to the outside of go-between one 21, and the other end of reinforcing pipe 31 inserts the inboard of adjacent body 1 promptly, can promote the leakproofness of junction.

According to the working principle, when adjacent pipe bodies are connected, the pipe body 1 on one side is screwed into the adjacent thread groove 23 through the thread ring 24, then the connecting bolt 26 is screwed in the corresponding screw hole 25 for fixing, so that a three-layer sealing structure can be formed, the reinforcing pipe 31 is inserted into the inner side of the adjacent pipe body 1 for sealing, the sealing performance of the joint of the adjacent pipe bodies 1 is higher, and leakage can be avoided;

the corrosion resistance can be improved by the cooperation of the corrosion-resistant outer layer 32 and the corrosion-resistant inner layer 34, and the structural strength of the corrosion-resistant component 3 can be improved by the cooperation of the outer reinforcing pipe 31 and the toughness layer 33, so that the corrosion-resistant component is more corrosion-resistant.

It is noted that, herein, relational terms such as one and two are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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

Claims

1. A corrosion resistant pipe comprising:

the pipe comprises a plurality of end-to-end connected pipe bodies (1) and a sealing connection assembly (2) connected between two adjacent pipe bodies (1), wherein a corrosion-resistant assembly (3) is arranged on the inner side of each pipe body (1);

the method is characterized in that: sealing connection subassembly (2) establish respectively at body (1) both ends go up ring one (21) and go up ring two (22), the inboard of go up ring one (21) is constructed thread groove (23), one side integrated into one piece that go up ring two (22) are close to go up ring one (21) has thread ring (24), and thread ring (24) spiro union is in thread groove (23) that correspond, the outside of thread ring (24) and go up ring one (21) is constructed and is had corresponding screw (25), corresponds the spiro union has connecting bolt (26) in screw (25).

2. A corrosion resistant pipe fitting according to claim 1, wherein: corrosion-resistant subassembly (3) are established at body (1) inboard reinforced pipe (31) and set up at reinforced pipe (31) inboard corrosion-resistant outer (32) including the cover, the inboard of corrosion-resistant outer (32) is provided with toughness layer (33), the inboard on toughness layer (33) is provided with corrosion-resistant inlayer (34).

3. A corrosion resistant pipe according to claim 2 wherein: the corresponding sides of the reinforcing pipe (31), the corrosion-resistant outer layer (32), the toughness layer (33) and the corrosion-resistant inner layer (34) are flush, one end of the reinforcing pipe (31) is located on the inner side of the connecting ring II (22), and the other end of the reinforcing pipe (31) extends to the outer side of the connecting ring I (21).

4. A corrosion resistant pipe according to claim 1 wherein: concave holes are formed in the outer side of the connecting ring I (21) and are connected with the screw holes (25), and the heads of the connecting bolts (26) are located in the corresponding concave holes.

5. A corrosion resistant pipe fitting according to claim 1, wherein: and a sealing ring (27) is bonded to the outer edge of one side, close to the connecting ring I (21), of the connecting ring II (22).

6. A corrosion resistant pipe according to claim 1 wherein: and a cast integral structure is arranged between the connecting ring II (22) and the threaded ring (24).