CN110715129A

CN110715129A - Aporate flange device for water pipe

Info

Publication number: CN110715129A
Application number: CN201911087491.7A
Authority: CN
Inventors: 谭俊
Original assignee: Hunan Tianxingjian Energy Management Co Ltd
Current assignee: Hunan Tianxingjian Energy Management Co Ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-01-21

Abstract

The invention discloses a hole-free flange device for a water pipe, which belongs to the technical field of flange connection and comprises a flange body, wherein the flange body is of a circular ring structure, the flange device also comprises a flange cover arranged outside the flange body, the flange cover is used for fastening the flange body, a through hole is formed in the center of the flange cover, the flange cover comprises a cover cylinder and a cover cap, the cover cylinder is detachably connected with the cover cap, and the cover cylinder is in threaded connection with the cover cap.

Description

Aporate flange device for water pipe

Technical Field

The invention relates to the technical field of flange connection, in particular to a non-porous flange device for a water pipe.

Background

Flange connection is a detachable joint which is formed by fixing two pipelines, pipe fittings or equipment on a flange respectively, then adding a flange pad between the two flanges, and finally tightening the two flanges by bolts to tightly combine the two flanges.

Flange connection is an important connection mode for pipeline construction, and flange types are divided into a threaded flange, a welding flange and a loose flange according to the fixing mode of the flange and a pipeline; according to the sealed face form, can divide into smooth sliding type, unsmooth formula, tongue-and-groove formula, lens formula and trapezoidal slot type, general low pressure minor diameter is with the screw flange, high pressure and low pressure major diameter are with welding flange, the thickness and the connecting bolt diameter and the quantity of the ring flange of different pressure are different, according to the different grades of pressure, the flange pad also has different materials, all have from low pressure asbestos pad, high pressure asbestos pad and tetrafluoro pad to the metal pad, flange joint convenient to use can bear great pressure, in industrial pipeline, flange joint's use is very extensive, for example in indoor fire hydrant water supply system, the connection of all kinds of valves and pipelines such as butterfly valve, gate valve, check valve.

At present, the flange plate is generally provided with eight bolt holes, the installation time is long in the process of flange connection, the flange plate is easy to rust and cannot be buried in soil, and the problem to be solved is solved for underground water heating engineering.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the defect of the prior art is overcome, and the hole-free flange device for the water pipe is simple to install and is effective in rust prevention.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a sclausura flange device for water pipe, includes the flange body, and the flange body is the ring structure, the flange device is still including setting up the flange cover outside the flange body, and the flange cover is used for fastening the flange body, flange cover center is equipped with the through-hole, and the through-hole is used for the water pipe to pass, and the flange cover covers whole flange body, replaces the bolt, ensures the fixed of flange body, plays a guard action to the flange body simultaneously.

Further, the flange cover comprises a cover cylinder and a cover cap, and the cover cylinder and the cover cap are detachably connected.

Further, the cover cylinder is in threaded connection with the cover cap.

Furthermore, the cover cylinder is of a cylindrical structure, the cover cap is of a wafer structure, internal threads are arranged in the cover cylinder, and matched external threads are arranged at the edge of the cover cap.

Furthermore, a rotating rod used for rotating is fixedly arranged on the cover cap, and the rotating rod facilitates the rotation of the cover cap.

Further, a sealing ring is arranged around the through hole of the flange cover, so that the flange body is further sealed, and the flange body is prevented from rusting, corroding and the like.

Further, the thickness of the flange cover is 8cm ~ 12cm, and the thickness of the two flange bodies.

Furthermore, the flange cover is made of stainless steel, and the outer surface of the flange cover is coated with an anti-rust coating for further rust prevention.

Furthermore, eight bolt columns inserted into the existing flange body are arranged in the cover cylinder, the flange can be arranged in the existing flange, and the bolt columns can be inserted into the existing bolt holes of the flange, so that the stability is further improved.

The invention has the beneficial effects that: 1. the flange cover is simple in structure and ingenious in design, the existing eight-bolt connection is replaced by the threaded connection of the flange cover, the installation is simple, the flange plate does not need to be provided with bolt holes, and the machining cost is reduced.

2. The flange cover can completely seal the flange body, prevent the flange body from contacting with an external connector, effectively prolong the service life of the flange body, and can be integrally arranged under the ground to carry out underground water heating engineering.

Drawings

FIG. 1 is a perspective view of the preferred embodiment 1;

FIG. 2-is a schematic representation of the use of example 1;

FIG. 3 is a schematic view of the jacket of example 2;

in the figure: the flange comprises a flange body 1, a flange cover 2, a cover cylinder 21, a cover cap 22, a rotating rod 23, a sealing ring 24 and a bolt column 25.

Detailed Description

In the description of the present invention, it is to be understood that the terms "central," "upper," "lower," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the indicated orientations and positional relationships based on the figures, merely to facilitate the description of the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "over" a second feature may be directly or diagonally over the first feature or may simply mean that the first feature is at a higher level than the second feature. A first feature "under" a second feature may be that the first feature is directly under or obliquely under the second feature, or simply that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the terms "embodiment," "specific embodiment," "example" or "specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Example 1

Referring to fig. 1 ~ 2, the imperforate flange device for the water pipe comprises a flange body 1, wherein the flange body 1 is of a circular ring structure, the flange device further comprises a flange cover 2 arranged outside the flange body 1, the flange cover 2 is used for fastening the flange body 1, a through hole is formed in the center of the flange cover 2, the flange cover 2 comprises a cover cylinder 21 and a cover cap 22, the cover cylinder 21 is detachably connected with the cover cap 22, the cover cylinder 21 is in threaded connection with the cover cap 22, the cover cylinder 21 is of a cylindrical structure, the cover cap 22 is of a wafer structure, internal threads are formed in the cover cylinder 21, and matched external threads are formed in the edge of the cover cap 22.

The fixed bull stick 23 that is used for the pivoted that is equipped with on the shroud 22, the bull stick 23 makes things convenient for shroud 22's rotation, is equipped with sealing washer 24 around the through-hole of flange cover 2, further seals flange body 1, prevents that flange body 1 from rustting, corrodes etc. and flange cover 2 thickness is 8cm ~ 12cm, two flange body 1's thickness, and flange cover 2 material is the stainless steel, and flange cover 2 surface scribbles anti rust coating, further rust-resistant.

The working principle and the using method of the invention are as follows: the through-hole is used for the water pipe to pass, and flange cover 2 covers whole flange body 1, replaces the bolt, ensures flange body 1's fixed, plays a guard action to flange body 1 simultaneously.

When the flange is required to be connected, the flange cover 2 needs to be respectively arranged on the water pipe before the flange is installed, then the fixed flange plate is connected, the flange plate is generally welded, the cover cylinder 21 and the cover cap 22 are screwed down after the two flange plates are butted, one layer of lubricating oil can be brushed on the flange body 1 before screwing down, and the flange body 1 is prevented from rusting.

Example 2

Referring to fig. 3: this example differs from example 1 in that: eight bolt columns 25 inserted into the existing flange body 1 are arranged in the cover cylinder 21, the flange can be arranged in the existing flange, and the bolt columns 25 can be inserted into the existing bolt holes of the flange, so that the stability is further improved.

Claims

1. The utility model provides a sclausura flange means for water pipe, includes flange body (1), flange body (1) is the ring structure, its characterized in that: the flange device further comprises a flange cover (2) arranged outside the flange body (1), the flange cover (2) is used for fastening the flange body (1), and a through hole is formed in the center of the flange cover (2).

2. A nonporous flange apparatus for a water pipe as claimed in claim 1, wherein: the flange cover (2) comprises a cover cylinder (21) and a cover cap (22), and the cover cylinder (21) is detachably connected with the cover cap (22).

3. A nonporous flange apparatus for a water pipe as claimed in claim 2, wherein: the cover cylinder (21) is in threaded connection with the cover cap (22).

4. A nonporous flange apparatus for a water pipe as claimed in claim 3, wherein: the cover cylinder (21) is of a cylindrical structure, the cover cap (22) is of a wafer structure, internal threads are arranged in the cover cylinder (21), and matched external threads are arranged on the edge of the cover cap (22).

5. A nonporous flange apparatus for a water pipe as claimed in claim 4, wherein: and a rotating rod (23) for rotating is fixedly arranged on the cover cap (22).

6. A imperforate flange means for water pipe as claimed in any one of claims 1 ~ 5, wherein said flange cover (2) is provided with a sealing ring (24) around the through hole.

7. A non-porous flange device for water pipes as claimed in claim 1 ~ 5 wherein the thickness of the flange cover (2) is 8cm ~ 12 cm.

8. A non-porous flange device for water pipe according to claim 1 ~ 5 wherein the material of said flange cover (2) is stainless steel and the outer surface of said flange cover (2) is coated with rust-proof coating.

9. A imperforate flange means for water pipe as claimed in claim 2 ~ 5, wherein said housing (21) is provided with eight bolt columns (25) inserted into the existing flange body (1).