CN211398829U - Hard alloy pipe fitting - Google Patents

Abstract

The utility model discloses a hard alloy pipe fitting, including the alloy pipe, the alloy pipe includes pipeline one and pipeline two and pipeline one and the joint between the pipeline two, connect including cup jointing the extension cover on pipeline one and pipeline two, two it has connection pad one and connection pad two to weld respectively on the outer wall of extension cover one end, all open corresponding mounting hole on the outer wall of connection pad one side and connection pad two, and the inside of mounting hole is pegged graft and is had the pull rod, the equal threaded connection in both ends of pull rod has fixation nut, all open spacing hole on pipeline one side outer wall of pipeline one, pipeline two and extension cover, and the inside of spacing hole is pegged graft and is had the pin. The utility model discloses a connect the reliability of realizing between two pipelines, improved the connection between two pipelines, avoided the alloy pipe condition that appears leaking in the long-term use, have corrosion-resistant, can use in various high temperature occasions to the collision energy-absorbing ability of magnesium alloy pipe has been improved.

Description

Hard alloy pipe fitting

Technical Field

The utility model relates to an alloy pipe technical field especially relates to a carbide pipe fitting.

Background

Alloy pipe fittings are very popular in the current social production and life, and are made of alloy steel, common alloy elbows, alloy flanges, alloy tee joints and four-way joints belong to common types of alloy pipe fittings, and the alloy pipe fittings are mainly used for joints and connecting pipelines.

The existing alloy pipe fitting is used for joints and connecting pipelines, the installation strength of the existing alloy pipe fitting is not high, the connecting pipelines are easy to loosen in the daily and monthly using process, the water leakage condition occurs, particularly, the performance of the connecting joints is most obvious, and unnecessary troubles are brought to people, so that the hard alloy pipe fitting is urgently needed to be designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a hard alloy pipe fitting.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a hard alloy pipe fitting, includes the alloy pipe, the alloy pipe includes pipeline one and pipeline two and the joint between pipeline one and the pipeline two, connect including cup jointing the extension cover on pipeline one and pipeline two, two it has connection pad one and connection pad two to extend to weld respectively on the outer wall of cover one end, all open the mounting hole that corresponds on the outer wall of connection pad one side and connection pad two, and the inside of mounting hole is pegged graft and is had the pull rod, the equal threaded connection in both ends of pull rod has fixation nut, all open spacing hole on pipeline one side outer wall of pipeline one, pipeline two and extension cover, and the inside of spacing hole is pegged graft and is had the pin.

Furthermore, the innermost layer of the alloy pipe is outwards provided with a filling material layer, a fluoroplastic layer, a hard alloy layer, a hardening phase, a composite layer and an outer film layer in sequence, and the outermost layer of the alloy pipe is sprayed with a paint layer.

Furthermore, the filling material layer is made of carbon fiber materials, and the paint layer is made of inorganic silicon high-temperature resistant paint.

Furthermore, the number of the pull rods is 4-6, and the fixing nuts adopt a double-nut combined structure.

Furthermore, a pin hole is formed in the outer wall of one end of the pin, and a buckle is inserted into the pin hole.

Furthermore, a sealing groove is formed in the outer wall of one side of the first connecting disc and the outer wall of one side of the second connecting disc, and a sealing ring is embedded into the sealing groove.

Furthermore, one end of the second pipeline is provided with an integrally formed threaded head, an integrally formed threaded sleeve is arranged inside one end of the first pipeline, and the threaded head is in threaded connection with the inside of the threaded sleeve.

The utility model has the advantages that:

1. the joint is adopted to realize the connection between the two pipelines, the reliability of the connection between the two pipelines is improved, the leakage of the alloy pipe in the long-term use process is avoided, the strength of the alloy pipe is improved, and the service life of the alloy pipe is prolonged.

2. Through the improvement of the internal structure of the alloy pipe, the alloy pipe has corrosion resistance, can be used in various high-temperature occasions, plays a role in inhibiting bacteria, improves the high-temperature oxidation resistance, improves the collision energy absorption capacity of the magnesium alloy pipe, and achieves the effect desired by people.

3. The threaded head is inserted into the threaded sleeve, so that the first connecting disc and the second connecting disc are fixed in an auxiliary mode, the strength of fixed connection between the first pipeline and the second pipeline is improved, and the reliability of the joint is improved.

Drawings

Fig. 1 is a partial structural sectional view of a cemented carbide pipe fitting according to the present invention;

fig. 2 is an exploded view of a hard alloy pipe fitting and a joint structure provided by the present invention;

fig. 3 is an assembly view of a joint structure of a cemented carbide pipe fitting according to the present invention;

fig. 4 is a schematic diagram of the structure of the thread bushing and the thread head of the cemented carbide pipe fitting according to the present invention.

In the figure: the composite pipe comprises an alloy pipe 1, a paint layer 2, an outer film layer 3, a composite layer 4, a hardening phase 5, a hard alloy layer 6, a fluoroplastic layer 7, a filling material layer 8, a first connecting disc 9, a second connecting disc 10, a first pipeline 11, a second pipeline 12, an extension sleeve 13, a pin 14, a pull rod 15, a fixing nut 16, a limiting hole 17, a pin hole 18, a sealing ring 19, a thread sleeve 20 and a thread head 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all 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 in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, the hard alloy pipe fitting includes an alloy pipe 1, which is mainly made of an aluminum alloy material, the alloy pipe 1 includes a first pipeline 11, a second pipeline 12 and a joint between the first pipeline 11 and the second pipeline 12, the joint is used for connecting the two pipelines, the joint includes an extension sleeve 13 sleeved on the first pipeline 11 and the second pipeline 12, the connection reliability is improved, a first connection disk 9 and a second connection disk 10 are welded on the outer wall of one end of each of the two extension sleeves 13, corresponding mounting holes are formed in the outer walls of one sides of the first connection disk 9 and the second connection disk 10, a pull rod 15 is inserted into each mounting hole, fixing nuts 16 are connected to two ends of the pull rod 15 through threads, limiting holes 17 are formed in the outer walls of one sides of the first pipeline 11, the second pipeline 12 and the extension sleeve 13, and a pin 14 is inserted into each limiting hole 17.

Furthermore, the innermost layer of the alloy pipe 1 is sequentially provided with a filling material layer 8, a fluoroplastic layer 7, a hard alloy layer 6, a hardening phase 5, a composite layer 4 and an outer film layer 3 outwards, the outermost layer of the alloy pipe 1 is sprayed with a paint layer 2, the fluoroplastic layer 7 is prepared by mixing resin and PPL para-polyphenolic, can resist corrosion of various inorganic acids, organic acids and organic solvents and can be used in various high-temperature occasions, the filling material layer 8 adopts a carbon fiber material, the outer layer of the hard alloy layer 6 is an ultraviolet resistant paint which plays a role in inhibiting germs, the ultraviolet resistant paint is the outermost layer of the hard alloy pipe, in order to facilitate the stability of the hard alloy pipe, the hardening phase 5 adopts iron group metals (CO and Ni) as an adhesive, the multiphase composite material is manufactured by a powder metallurgy method, Dy and gadolinium elements with the ion radius close to that of yttrium Y are added into the aluminum alloy of the outer film layer 3, the yttrium Y is combined with dysprosium Dy and gadolinium Gd to be beneficial to improving the oxidation resistance and high-temperature strength of the product, and meanwhile, calcium Ca, zirconium Zr, titanium Ti and nickel N i microalloy elements are added to refine the matrix structure of the alloy, the structure of an oxidation film is compact, and the high-temperature oxidation resistance is improved.

Furthermore, the filling material layer 8 is made of carbon fiber materials, so that the inner surface is prevented from being corroded, and the paint layer 2 is made of inorganic silicon high-temperature resistant paint, so that the inner high-temperature performance of the alloy pipe is improved.

Furthermore, the number of the pull rods 15 is 4-6, the fixing nuts 16 adopt a double-nut combination structure, and the double-nut 16 combination mode is used, so that the fixing reliability of the pull rods 15 is improved, and the stability between the first connecting disc 9 and the second connecting disc 10 is ensured.

Further, a pin hole 18 is formed in the outer wall of one end of the pin 14, a buckle is inserted into the pin hole 18 and is a common part in the prior art, and locking of the pin 14 in the limiting hole 17 is achieved.

Furthermore, the outer wall of the side where the first connecting disc 9 and the second connecting disc 10 are seen is provided with a sealing groove, a sealing ring 19 is embedded into the sealing groove, the sealing ring 19 is made of HNBR (hydrogenated nitrile butadiene rubber) with an O-shaped structure, the sealing ring has good sealing performance, and the situation that liquid materials leak is avoided.

Furthermore, one end of the second pipeline 12 is provided with an integrally formed threaded head 21, the one end of the first pipeline 11 is internally provided with an integrally formed threaded sleeve 20, the threaded head 21 is in threaded connection with the inside of the threaded sleeve 20, the threaded head 21 is inserted into the inside of the threaded sleeve 20, auxiliary fixing of the first connecting disc 9 and the second connecting disc 10 is achieved, the strength of fixed connection between the first pipeline and the second pipeline is improved, and the reliability of the joint is improved.

The working principle is as follows: when the connecting structure is used, an operator penetrates the threaded head 21 on the second pipeline 12 through the extension sleeve 13 on the second connecting disc 10, the threaded head 21 is inserted into the first pipeline 11, the threaded sleeve 20 in the first pipeline 11 is in threaded connection with the threaded head 21 on the second pipeline 12, meanwhile, the first connecting disc 9 is attached to the second connecting disc 10, the first connecting disc 9 and the second connecting disc 10 form an integral pipeline joint through the matching of the pull rod 15 and the fixing nut 16, then, the operator finely adjusts the threaded heads 21 and the threaded sleeves 20 on the first pipeline 11 and the second pipeline 12, the limiting holes 17 in the first pipeline 11 and the second pipeline 12 are overlapped with the limiting holes 17 in the extension sleeve 13, the pin 14 is inserted into the limiting holes 17, the buckle is inserted into the pin hole 18, the locking of the pin 14 is realized, and the connection between the first pipeline 11 and the second pipeline 12 is completed, the strength is higher, the service life is longer, and the situation of cracking cannot easily occur.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. A hard alloy pipe fitting comprises an alloy pipe (1), and is characterized in that the alloy pipe (1) comprises a first pipeline (11), a second pipeline (12) and a joint between the first pipeline (11) and the second pipeline (12), the joint comprises extension sleeves (13) sleeved on a first pipeline (11) and a second pipeline (12), a first connecting disc (9) and a second connecting disc (10) are respectively welded on the outer walls of one ends of the two extension sleeves (13), the outer walls of one sides of the first connecting disc (9) and the second connecting disc (10) are respectively provided with corresponding mounting holes, a pull rod (15) is inserted in the mounting hole, both ends of the pull rod (15) are connected with fixed nuts (16) in a threaded manner, and the outer walls of one sides of the first pipeline (11), the second pipeline (12) and the extension sleeve (13) are all provided with limiting holes (17), and pins (14) are inserted into the limiting holes (17).

2. A cemented carbide pipe according to claim 1, characterized in that the innermost layer of the alloy pipe (1) is provided with a filler material layer (8), a fluoroplastic layer (7), a hard alloy layer (6), a hardening phase (5), a composite layer (4) and an outer film layer (3) in sequence, and the outermost layer of the alloy pipe (1) is sprayed with a paint layer (2).

3. A cemented carbide pipe according to claim 2, characterized in that the filler material layer (8) is carbon fiber material and the paint layer (2) is inorganic silicon high temperature resistant paint.

4. A cemented carbide tube according to claim 1, characterized in that the number of tie rods (15) is 4-6 and the fastening nut (16) is a double nut combination.

5. A cemented carbide pipe fitting according to claim 1, characterized in that the pin (14) has a pin hole (18) in the outer wall at one end and a snap is inserted in the pin hole (18).

6. The cemented carbide pipe fitting as claimed in claim 1, characterized in that the outer wall of the connection disc one (9) and the connection disc two (10) at the side of the connection disc one (9) is provided with a sealing groove, and a sealing ring (19) is embedded in the sealing groove.

7. The cemented carbide pipe fitting as claimed in claim 1, characterized in that one end of the second pipe (12) is provided with an integrally formed screw head (21), one end of the first pipe (11) is internally provided with an integrally formed screw sleeve (20), and the screw head (21) is screwed inside the screw sleeve (20).

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