CN212616841U

CN212616841U - Large-diameter spiral corrugated pipe with good corrosion prevention effect

Info

Publication number: CN212616841U
Application number: CN202021315399.XU
Authority: CN
Inventors: 林翔; 林欲
Original assignee: Fujian Houtian New Material Technology Co ltd
Current assignee: Fujian Houtian New Material Technology Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-02-26
Anticipated expiration: 2030-07-07

Abstract

The utility model relates to a helical bellows technical field specifically is a big-diameter helical bellows that corrosion protection is effectual, including helical bellows and bottom plate, helical bellows outer wall upper end block has last hoop, helical bellows outer wall lower extreme block has lower hoop, it is corresponding with the position of lower hoop to go up the position of hoop, it has the screw rod to go up the hoop both ends and run through, and the screw rod runs through lower hoop, threaded hole is dug to bottom plate upper end both sides. The utility model discloses a to go up the hoop and correspond helical bellows's top block with fitting with a contraceptive ring, will encircle the hoop again and correspond the helical bellows below and carry out the block, the rethread screw rod runs through hoop and lower hoop in proper order to make the screw rod bottom correspond the screw hole on the bottom plate and rotate and connect, improve the stability of screw thread bellows, reduce and remove the in-process or external environment and drag and cause wearing and tearing or damage to it, comparatively practical is fit for extensively promoting and using.

Description

Large-diameter spiral corrugated pipe with good corrosion prevention effect

Technical Field

The utility model relates to a helical bellows technical field specifically is a heavy-calibre helical bellows that anticorrosive effectual.

Background

The corrugated pipe mainly comprises a metal corrugated pipe, a corrugated expansion joint, a corrugated heat exchange pipe, a diaphragm and film box, a metal hose and the like, wherein the metal corrugated pipe is mainly applied to the effects of compensating the thermal deformation of a pipeline, damping, absorbing the settlement deformation of the pipeline and the like, and is widely applied to the industries of petrifaction, instruments, aerospace, chemical industry, electric power, cement, metallurgy and the like. The corrugated pipe made of other materials such as plastics has irreplaceable effects in the fields of medium conveying, electric power threading, machine tools, household appliances and the like.

Because the corrugated pipe is mostly used by instruments, the spiral corrugated pipe is necessary to be fixed, and the damage of the threaded corrugated pipe caused by unnecessary external abrasion is reduced, so that the large-caliber spiral corrugated pipe with good corrosion resistance is provided, the stability of the threaded corrugated pipe is improved, and the abrasion or the damage to the threaded corrugated pipe caused by the external environment is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a big-caliber helical bellows that is anticorrosive effectual, solved the problem that proposes among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a big-diameter helical bellows that anticorrosive effectual, includes helical bellows and bottom plate, its characterized in that: the spiral corrugated pipe outer wall upper end block has last hoop, spiral corrugated pipe outer wall lower extreme block has lower hoop, go up the position of hoop and the laminating of lower hoop in vertical direction alignment, it has the screw rod to go up the hoop both ends and run through, and the screw rod runs through in lower hoop, threaded hole has all been dug to bottom plate upper end both sides.

As a preferred embodiment of the present invention, the bottom of the screw rod is rotatably connected to the threaded hole.

As a preferred embodiment of the present invention, a hollow inner hole is cut in the middle of the spiral bellows.

As a preferred embodiment of the utility model, the brush of the inner wall of the spiral corrugated pipe is coated with the inner anticorrosive layer, and the brush of the outer wall of the spiral corrugated pipe is coated with the outer anticorrosive layer.

As a preferred embodiment of the present invention, the helical bellows is located above the bottom plate.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a heavy-calibre helical bellows that anticorrosion effect is good, through the bottom plate, the screw rod, go up the setting of hoop and lower hoop, through the top block that will go up the hoop and correspond helical bellows, will encircle the hoop again and correspond the helical bellows below and carry out the block, the rethread screw rod runs through hoop and lower hoop in proper order to make the screw rod bottom correspond the screw hole rotation on the bottom plate and connect, improve helical bellows's stability, reduce and remove the in-process or external environment and drag and cause wearing and tearing or damage to it.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of the overall structure of a large-diameter helical bellows with good corrosion protection effect;

fig. 2 is a schematic view of the structure of the large-diameter helical bellows with good corrosion protection effect.

In the figure: 1. a helical bellows; 2. a threaded hole; 3. a lower hoop; 4. a screw; 5. an upper hoop; 6. an inner bore; 7. an outer corrosion resistant layer; 8. an inner corrosion resistant layer; 9. a base plate.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a big-caliber helical bellows that anticorrosion is effectual, includes helical bellows 1 and bottom plate 9, 1 outer wall upper end block of helical bellows has last hoop 5, 1 outer wall lower extreme block of helical bellows has lower hoop 3, go up the position of hoop 5 and hoop 3 down and align the laminating in vertical direction, it has screw rod 4 to go up 5 both ends of hoop to run through, and screw rod 4 runs through in hoop 3 down, threaded hole 2 has all been dug in bottom plate 9 upper end both sides.

In this embodiment, please refer to fig. 1 and 2, the upper hoop 5 is fastened above the helical bellows 1, the lower hoop 3 is fastened below the helical bellows 1, and the screw rod 4 sequentially penetrates through the upper hoop 5 and the lower hoop 3, so that the bottom of the screw rod 4 is rotatably connected with the threaded hole 2 on the bottom plate 9, thereby improving the stability of the helical bellows 1 and reducing the wear or damage caused by the movement or the dragging of the external environment.

Wherein, the bottom of the screw rod 4 is rotationally connected with the threaded hole 2.

In this embodiment, please refer to fig. 2, the end of the screw 4 is rotatably connected with the threaded hole 2.

Wherein, the inner middle part of the helical bellows 1 is provided with a hollow inner hole 6.

In the present embodiment, please refer to fig. 2, an inner hole 6 is drilled in the spiral corrugated pipe 1.

The inner wall of the spiral corrugated pipe 1 is brushed with an inner anticorrosive layer 8, and the outer wall of the spiral corrugated pipe 1 is brushed with an outer anticorrosive layer 7.

In the embodiment, referring to fig. 1, the ES301 epoxy paint coating can be adopted by the materials of the inner anticorrosive layer 8 and the outer anticorrosive layer 7.

Wherein the helical bellows 1 is located above the bottom plate 9.

In the embodiment, please refer to fig. 1, the helical bellows 1 is located above the bottom plate 9.

It should be noted that, the present invention is a large-diameter helical bellows with good corrosion protection effect, the structure and principle of which are known by the technical manual or known by the conventional experimental method, at the idle position of the device, all the electrical devices, which refer to the power device, the electrical devices, the adaptive monitoring computer and the power source, are connected by the conducting wire, the specific connection means, referring to the following working principle, the electrical devices complete the electrical connection in sequence, the detailed connection means is the known technology in the art, the following main description of the working principle and process, without describing the electrical control, the structure and principle of which are known by the technical manual or known by the conventional experimental method, when working, the upper hoop 5 is fastened to the upper side of the helical bellows 1, and the lower hoop 3 is fastened to the lower side of the helical bellows 1, and the screw rod 4 sequentially penetrates through the upper hoop 5 and the lower hoop 3, so that the bottom of the screw rod 4 is rotationally connected with the threaded hole 2 on the base plate 9 correspondingly, and the stability of the threaded corrugated pipe 1 is improved.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a big-diameter helical bellows that corrosion protection effect is good, includes helical bellows (1) and bottom plate (9), its characterized in that: the spiral corrugated pipe is characterized in that an upper hoop (5) is clamped at the upper end of the outer wall of the spiral corrugated pipe (1), a lower hoop (3) is clamped at the lower end of the outer wall of the spiral corrugated pipe (1), the position of the upper hoop (5) is aligned and attached to the lower hoop (3) in the vertical direction, screw rods (4) penetrate through the two ends of the upper hoop (5), the screw rods (4) penetrate through the lower hoop (3), and threaded holes (2) are drilled in the two sides of the upper end of the bottom plate (9).

2. The large-caliber spiral corrugated pipe with good corrosion prevention effect as claimed in claim 1, is characterized in that: the bottom of the screw rod (4) is rotatably connected with the threaded hole (2).

3. The large-caliber spiral corrugated pipe with good corrosion prevention effect as claimed in claim 1, is characterized in that: the middle part in the helical bellows (1) is provided with a hollow inner hole (6).

4. The large-caliber spiral corrugated pipe with good corrosion prevention effect as claimed in claim 1, is characterized in that: the inner wall of the spiral corrugated pipe (1) is brushed with an inner anticorrosive layer (8), and the outer wall of the spiral corrugated pipe (1) is brushed with an outer anticorrosive layer (7).

5. The large-caliber spiral corrugated pipe with good corrosion prevention effect as claimed in claim 1, is characterized in that: the spiral corrugated pipe (1) is positioned above the bottom plate (9).