CN216201285U

CN216201285U - Reasonable in design's precision welded steel pipe

Info

Publication number: CN216201285U
Application number: CN202023342293.1U
Authority: CN
Inventors: 郭威; 周仁杰; 郁正龙; 包永力; 黄俊锋; 高念超; 周建金; 曹伟茵
Original assignee: Jiangu Dom Pipe Ltd
Current assignee: Jiangu Dom Pipe Ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2022-04-05
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to the field of precision welded steel pipes, in particular to a reasonably designed precision welded steel pipe, which comprises an outer pipe, an inner pipe, a connecting pipe and a joint, wherein the inner pipe is connected with the outer pipe through the connecting pipe, the inner pipe extends into the outer pipe, the joint is positioned at the end parts of the outer pipe and the inner pipe, the outer pipe and the inner pipe are provided with a buffer tank, an inner shell, an anti-freezing layer, a mounting layer and a heat-insulating layer, anti-freezing liquid is injected into the anti-freezing layer through a liquid injection pipe to prevent the outer pipe and the inner pipe from being in a low-temperature environment for a long time, so that the brittleness is higher, the phenomenon of frost cracking is easy to occur, the outer pipe and the inner pipe are prevented from being deformed due to thermal expansion and cold contraction through a buffer spring in the buffer tank, the service life and the use effect of the utility model are prolonged, the anti-freezing liquid is discharged by opening a sealing cover on a liquid discharge pipe when the anti-freezing liquid is replaced, and then a sealing cover on the liquid injection pipe is opened, and new antifreeze is injected for replacement, so that the antifreeze can be conveniently replaced, and the service life is prolonged.

Description

Reasonable in design's precision welded steel pipe

Technical Field

The utility model relates to the field of precision welded steel pipes, in particular to a precision welded steel pipe with reasonable design.

Background

Automobile parts are all units forming the whole automobile and serve products of the automobile, automobile brands are more and more nowadays, automobile types are more and more, automobiles can be divided into three types of heavy automobiles, mini automobiles and passenger cars generally, with the improvement of living standard of people, people consume the automobiles more and more, the market of the automobile parts becomes larger and larger, and automobile part manufacturers are rapidly developed in recent years.

In winter in northern China, because the temperature is often very low, the problem of frost crack of a water pipe often can occur to the car parked outside for a long time, once the frost crack of the water pipe of the car can lead to the automobile engine not to start, the car must be sent to the maintenance, therefore, bring great trouble for people, at present, most original methods are often adopted by a plurality of car owners: the cooling water of the engine is discharged after the engine is stopped, and the hot water is directly added into the engine during starting, so that the engine has certain effect, but the operation is complicated.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the precision welded steel pipe which is simple in structure, convenient to use and reasonable in design.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model relates to a reasonably designed precision welded steel pipe, which comprises an outer pipe, an inner pipe, a connecting pipe and a joint, wherein the inner pipe is connected with the outer pipe through the connecting pipe, the inner pipe extends into the outer pipe, the joint is positioned at the end parts of the outer pipe and the inner pipe, the outer pipe and the inner pipe are provided with a buffer tank, an inner shell, an anti-freezing layer, a mounting layer and a heat-insulating layer, a buffer spring is arranged in the buffer tank, the inner shell is positioned on the outer layer of the buffer tank, the anti-freezing layer is positioned on the outer side of the inner shell, the mounting layer is positioned on the outer side of the anti-freezing layer, the heat preservation layer is positioned on the outer side of the anti-freezing layer, and the outer side of the heat-insulating layer is provided with a shell, the heat-insulating layer is connected with the mounting layer through mounting bolts, and the mounting bolt is equipped with a plurality ofly, still be equipped with on outer tube and the inner tube and annotate liquid pipe and fluid-discharge tube, and all communicate with the layer of preventing frostbite, all be equipped with sealed lid on annotating liquid pipe and the fluid-discharge tube.

In order to improve the connection effect, the utility model is improved in that the connector comprises a first connector and a second connector, the first connector is provided with an interface and is arranged around the first connector, the bottom of the first connector is provided with a connecting rod, the connecting rod is provided with a connecting thread to be connected with the outer pipe or the inner pipe, the end parts of the outer pipe and the inner pipe are provided with fixing grooves, the second connector is connected with the inner pipe and the fixing grooves on the outer pipe through fixing rings, the second connector is provided with an interface in a surrounding manner, and the top of the second connector is provided with a connecting groove.

In order to improve the heat preservation effect, the utility model has the improvement that a heat preservation plate is arranged in the heat preservation layer.

In order to improve the corrosion resistance, the utility model improves that an anticorrosive film is arranged in the antifreezing layer.

In order to improve the use strength, the utility model improves that the shell of the heat-insulating layer is made of galvanized steel, and the surface of the heat-insulating layer is sprayed with anti-rust paint.

(III) advantageous effects

Compared with the prior art, the utility model provides a reasonably designed precision welded steel pipe, which has the following beneficial effects:

according to the reasonably designed precision welded steel pipe, the anti-freezing layer is arranged, the anti-freezing liquid is injected into the anti-freezing layer through the liquid injection pipe to prevent the outer pipe and the inner pipe from being in a low-temperature environment for a long time, so that the brittleness is higher, the phenomenon of frost cracking is easy to occur, the outer pipe and the inner pipe are prevented from being deformed due to expansion with heat and contraction with cold through the buffer spring in the buffer groove, the service life and the use effect of the anti-freezing liquid device are capable of prolonging device.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

in the figure: 1. an outer tube; 2. an inner tube; 3. a connecting pipe; 4. a first connector; 5. a second connector; 6. Fixing grooves; 7. a fixing ring; 8. a connecting rod; 9. an interface; 10. connecting a groove; 11. a buffer tank; 12. a buffer spring; 13. an inner shell; 14. an anti-freezing layer; 15. mounting a layer; 16. a heat-insulating layer; 17. installing a bolt; 18. A liquid injection pipe; 19. a liquid discharge pipe;

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the reasonably designed precision welded steel pipe of the present invention includes an outer pipe 1, an inner pipe 2, a connecting pipe 3, and joints, wherein the inner pipe 2 is connected to the outer pipe 1 through the connecting pipe 3, the inner pipe 2 extends into the outer pipe 1, the joints are located at the ends of the outer pipe 1 and the inner pipe 2, the outer pipe 1 and the inner pipe 2 are provided with a buffer tank 11, an inner shell 13, an anti-freezing layer 14, an installation layer 15, and a heat insulation layer 16, a buffer spring 12 is disposed in the buffer tank 11, the inner shell 13 is located at the outer layer of the buffer tank 11, the anti-freezing layer 14 is located at the outer side of the inner shell 13, the installation layer 15 is located at the outer side of the anti-freezing layer 14, the heat insulation layer 16 is located at the outer side of the anti-freezing layer 14, an outer shell is disposed at the outer side of the heat insulation layer 16, installation bolts 17 are disposed between the heat insulation layer 16 and the installation layer 15, and a plurality of installation bolts 17 are provided, and the outer pipe 1 and the inner pipe 2 are also provided with a liquid injection pipe 18 and a liquid discharge pipe 19 which are communicated with the anti-freezing layer 14, and the liquid injection pipe 18 and the liquid discharge pipe 19 are both provided with sealing covers.

When the reasonably designed precision welded steel pipe is used, the anti-freezing layer 14 is arranged, the anti-freezing liquid is injected into the anti-freezing layer 14 through the liquid injection pipe 18 to prevent the outer pipe 1 and the inner pipe 2 from being in a low-temperature environment for a long time, so that the brittleness is higher, the phenomenon of frost cracking is easy to occur, the outer pipe 1 and the inner pipe 2 are prevented from being deformed due to expansion with heat and contraction with cold through the buffer spring 12 in the buffer groove 11, the service life and the use effect of the precision welded steel pipe are prolonged, the anti-freezing liquid is replaced to discharge the anti-freezing liquid by opening the sealing cover on the liquid discharge pipe 19, then the sealing cover on the liquid injection pipe 18 is opened, new anti-freezing liquid is injected for replacement, the anti-freezing liquid can be conveniently replaced, the service life is prolonged, the outer pipe 1 and the inner pipe 2 are connected through the connecting pipe 3, the sealing performance and the fastening performance of the connection are improved, the joint is detachable type, and the joint is convenient to match with different types of joints, the application range is improved.

In order to improve the connection effect, the utility model is improved in that the connector comprises a first connector 4 and a second connector 5, the first connector 4 is provided with a connector 9 and is arranged around the first connector 4, the bottom of the first connector 4 is provided with a connecting rod 8, the connecting rod 8 is provided with a connecting thread to be connected with the outer pipe 1 or the inner pipe 2, the end parts of the outer pipe 1 and the inner pipe 2 are provided with fixing grooves 6, the second connector 5 is connected with the inner pipe 2 and the fixing grooves 6 on the outer pipe 1 through fixing rings 7, the second connector 5 is provided with the connector 9 in a surrounding manner, and the top of the second connector 5 is provided with a connecting groove 10, so that the connection stability is improved in various connection modes, and the connector can be matched with connectors of various types.

In order to improve the heat preservation effect, the utility model has the improvement that a heat preservation plate is arranged in the heat preservation layer 16, and the strength of the heat preservation layer 16 is ensured.

In order to improve the corrosion resistance, the utility model improves that an anticorrosive film is arranged in the antifreezing layer 14 to prevent a large amount of rust from being generated in the antifreezing layer 14.

In order to improve the use strength, the utility model improves that the shell of the heat-insulating layer 16 is made of galvanized steel, and the surface of the shell is sprayed with anti-rust paint, so that the service lives of the outer pipe 1 and the inner pipe 2 are prolonged.

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

Claims

1. The utility model provides a reasonable in design's precision welded steel pipe, its characterized in that includes outer tube (1), inner tube (2), connecting pipe (3) and joint, be connected through connecting pipe (3) between inner tube (2) and the outer tube (1), and inner tube (2) extend to the inside of outer tube (1), the joint is located the tip of outer tube (1) and inner tube (2), outer tube (1) and inner tube (2) are equipped with dashpot (11), inner shell (13), anti-freeze layer (14), installation layer (15) and heat preservation (16), be equipped with buffering spring (12) in dashpot (11), inner shell (13) are located the skin of dashpot (11), anti-freeze layer (14) are located the outside of inner shell (13), installation layer (15) are located the outside of anti-freeze layer (14), heat preservation (16) are located the outside of anti-freeze layer (14), and the outer side of the heat preservation layer (16) is provided with a shell, a mounting bolt (17) is arranged between the heat preservation layer (16) and the mounting layer (15) and connected with the heat preservation layer, a plurality of mounting bolts (17) are arranged, the outer pipe (1) and the inner pipe (2) are further provided with a liquid injection pipe (18) and a liquid discharge pipe (19) and communicated with the anti-freezing layer (14), and the liquid injection pipe (18) and the liquid discharge pipe (19) are provided with sealing covers.

2. The precision welded steel tube of claim 1, wherein the joint comprises a first joint (4) and a second joint (5), the first joint (4) is provided with a joint (9) and is arranged around the first joint (4), the bottom of the first joint (4) is provided with a connecting rod (8), and the connecting rod (8) is provided with connecting threads to be connected with the outer tube (1) or the inner tube (2).

3. The precision welded steel tube of claim 2, wherein the ends of the outer tube (1) and the inner tube (2) are provided with fixing grooves (6), the second connector (5) is connected with the inner tube (2) and the fixing grooves (6) on the outer tube (1) through fixing rings (7), the second connector (5) is provided with a connector (9) in an encircling manner, and the top of the second connector (5) is provided with a connecting groove (10).

4. The reasonably designed precision welded steel tube of claim 1, characterized in that an insulation board is provided inside the insulation layer (16).

5. A properly designed precision welded steel tube according to claim 1, characterized in that an anti-corrosion film is provided in said anti-freezing layer (14).

6. The precision welded steel pipe with reasonable design according to claim 1, wherein the shell of the heat insulation layer (16) is made of galvanized steel, and the surface of the shell is sprayed with anti-rust paint.