CN214789503U

CN214789503U - Stainless steel lined nodular cast iron composite pipe

Info

Publication number: CN214789503U
Application number: CN202120699440.6U
Authority: CN
Inventors: 曲兆丰
Original assignee: TIANJIN BAOFENG STEEL PIPE PLANT
Current assignee: TIANJIN BAOFENG STEEL PIPE PLANT
Priority date: 2021-04-07
Filing date: 2021-04-07
Publication date: 2021-11-19
Anticipated expiration: 2031-04-07

Abstract

The utility model discloses a compound pipe of nodular cast iron of inside lining stainless steel relates to compound pipe technical field, the utility model discloses a body, protection device, connecting device, sealing device, dismantlement fixing device and strutting arrangement, body include bushing pipe in the stainless steel and grey cast iron layer, and bushing pipe in the stainless steel and grey cast iron layer are inside hollow cylinder, and protection device includes the anticorrosive coating, and the anticorrosive coating internal surface is connected with grey cast iron layer external surface, and connecting device includes left connecting plate and right connecting plate. The utility model relates to a nodular cast iron composite pipe of inside lining stainless steel, stainless steel inner liner, enhancement layer and anticorrosive coating increase intensity, the life of pipeline and advance the protection to the pipeline, and left connecting plate, right connecting plate and sealing device conveniently carry out erection joint to the pipeline, and sealing device guarantees at the in-process of pipeline transportation liquid or gaseous that the dangerous situation of leaking can not appear in the coupling part.

Description

Stainless steel lined nodular cast iron composite pipe

Technical Field

The utility model relates to a compound pipe technical field, in particular to nodular cast iron compound pipe of inside lining stainless steel.

Background

The nodular cast iron pipe is a common transport pipe and is common in the industrial and civil fields, but the nodular cast iron pipe is easy to generate rust in the long-term transport process and can pollute transported products, and in the using process, the nodular cast iron pipe is easy to be damaged by the external environment, so that the leakage condition is generated, and in the using process of many pipes, the connecting parts can not be fully sealed, so that transported articles are leaked, and unnecessary loss is caused.

In order to protect the pipe, reduce the damage to the pipe from the inside and outside of the pipe and enhance the sealing performance of the pipe, we propose a stainless steel lined ductile iron composite pipe.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a compound pipe of nodular cast iron of inside lining stainless steel can effectively solve and receive destruction and the sealed problem of coupling part in the tubular product use in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a stainless steel-lined ductile cast iron composite pipe comprises a pipe body, a protection device, a connecting device, a sealing device, a dismounting and fixing device and a supporting device, wherein the pipe body comprises a stainless steel lining pipe and a gray cast iron layer which are cylinders with hollow interiors, the protection device comprises an anticorrosive layer, the inner surface of the anticorrosive layer is connected with the outer surface of the gray cast iron layer, the connecting device comprises a left connecting plate and a right connecting plate, one side surface of the left connecting plate is welded with one end of the stainless steel lining pipe, one side surface of the right connecting plate is welded with the other end of the stainless steel lining pipe, the sealing device comprises a rubber layer, a connecting pipe, a sealing plate and a first sealing gasket, the outer surface of the rubber layer is connected with the inner surface of the stainless steel lining pipe, the outer surface of the connecting pipe is connected with the inner surface of the rubber layer, and the sealing plate is provided with a through hole, through-hole internal surface and connecting pipe surface weld, first sealed pad sets up between left connecting plate opposite side surface and closing plate side surface, it is a plurality of including protection pad and fixing base to dismantle fixing device protection pad internal surface and anticorrosive coating external surface are connected, and are a plurality of protection pad surface respectively with a plurality of fixing base internal surface connection, strutting arrangement includes supporting seat and backup pad, and is a plurality of the supporting seat upper surface respectively with a plurality of fixing base lower surface weld, a plurality of the backup pad upper surface respectively with a plurality of supporting seat lower surface weld, wherein the number of protection pad, fixing base, supporting seat and backup pad is two, and the protection pad plays the buffering protection fixing base, and the fixed body of fixing base installation, supporting seat support fixing base, the fixed body of backup pad installation.

Preferably, the pipe body further comprises a reinforced steel layer, the inner surface of the reinforced steel layer is connected with the outer surface of the stainless steel lining pipe, the outer surface of the reinforced steel layer is connected with the inner surface of the gray cast iron layer, the reinforced steel layer reinforces the strength of the pipe body, and the pipe body is prevented from being broken due to insufficient strength in the installation and use process.

Preferably, protection device still includes adheres to the circle, and is a plurality of adhere to the circle internal surface and all be connected with anticorrosive coating outer surface, adhere to the circle and increase the area of contact with other objects, prevent that the body from sliding.

Preferably, the connecting device further comprises a connecting screw, the left connecting plate is connected with the right connecting plate through the connecting screw, and the left connecting plate and the right connecting plate are conveniently communicated with other pipelines for installation.

Preferably, the sealing device further comprises a second sealing gasket, the lower surface of the second sealing gasket is connected with the other side surface of the sealing plate, and the first sealing gasket and the second sealing gasket prevent leakage in the use process of the pipeline.

Preferably, dismantle fixing device still includes set screw, and is a plurality of the fixing base respectively with be connected through set screw, the convenient fixed pipeline position of fixing base, set screw conveniently dismantle fixing device installation and dismantlement.

Preferably, the supporting device further comprises fixing holes, the fixing holes are respectively formed in the upper surfaces of the supporting plates, the number of the fixing holes is two, and the fixing holes enable the device to be fixed on the plane of the building object.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses in, through setting up stainless steel inner liner, enhancement layer and anticorrosive coating, increase the intensity of pipeline, life and advance the protection to the pipeline.

2. The utility model discloses in, through setting up left connecting plate, right connecting plate and sealing device, the convenience is installed the connection to the pipeline, and sealing device guarantees at pipeline transportation liquid or gaseous in-process that the dangerous situation of leaking can not appear in the coupling part.

3. The utility model discloses in, dismantle fixing device through the setting, dismantle fixed convenient pipe installation on other building surfaces, when not needing to install fixed pipeline, through the convenient dismantlement of fixing bolt.

Drawings

Fig. 1 is a schematic diagram of an isometric structure of the outside of a stainless steel-lined ductile cast iron composite pipe according to the present invention;

fig. 2 is a schematic diagram of an isometric structure of the outside of a stainless steel-lined ductile cast iron composite pipe according to the present invention;

fig. 3 is a schematic diagram of the external left-view structure of the stainless steel-lined ductile cast iron composite pipe of the present invention;

FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 3 according to the present invention;

fig. 5 is an isometric structural diagram of the outside of the stainless steel lined ductile iron composite pipe of the present invention.

In the figure: 100. a pipe body; 110. a stainless steel liner tube; 120. a reinforcing steel layer; 130. a grey cast iron layer; 200. a protection device; 210. an anticorrosive layer; 220. attaching a ring; 300. a connecting device; 310. a left connecting plate; 320. a right connecting plate; 330. a connecting screw; 400. a sealing device; 410. a rubber layer; 420. a connecting pipe; 430. a sealing plate; 440. a first gasket; 450. a second gasket; 500. disassembling the fixing device; 510. a protection pad; 520. a fixed seat; 530. a set screw; 600. a support device; 610. a supporting seat; 620. a support plate; 630. and (7) fixing holes.

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 should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention relates to a stainless steel lined ductile iron composite pipe, comprising a pipe body 100, a protection device 200, a connection device 300, a sealing device 400, a detachable fixing device 500 and a supporting device 600, wherein the pipe body 100 comprises a stainless steel lined pipe 110 and a gray cast iron layer 130, the stainless steel lined pipe 110 and the gray cast iron layer 130 are hollow cylinders, the protection device 200 comprises an anti-corrosion layer 210, the inner surface of the anti-corrosion layer 210 is connected with the outer surface of the gray cast iron layer 130, the connection device 300 comprises a left connection plate 310 and a right connection plate 320, one side surface of the left connection plate 310 is welded with one end of the stainless steel lined pipe 110, one side surface of the right connection plate 320 is welded with the other end of the stainless steel lined pipe 110, the sealing device 400 comprises a rubber layer 410, a connection pipe 420, a sealing plate 430 and a first sealing gasket 440, the outer surface of the rubber layer 410 is connected with the inner surface of the stainless steel pipe 110, the outer surface of the connection pipe 420 is connected to the inner surface of the rubber layer 410, the sealing plate 430 has a through hole, the inner surface of the through hole is welded to the outer surface of the connection pipe 420, the first gasket 440 is disposed between the other side surface of the left connection plate 310 and one side surface of the sealing plate 430, the dismounting fixture 500 includes a protection pad 510 and a plurality of support pads 520, the inner surfaces of the protection pads 510 are connected to the outer surface of the anti-corrosion layer 210, the outer surfaces of the protection pads 510 are respectively connected to the inner surfaces of the support pads 520, the support device 600 includes a support base 610 and a support plate 620, the upper surfaces of the support base 610 are respectively welded to the lower surfaces of the support base 520, the upper surfaces of the support plate 620 are respectively welded to the lower surfaces of the support base 610, wherein the number of the protection pads 510, the support bases 520, the support bases 610 and the support plates 620 is two, the protection pads 510 play a role of buffering protection to protect the support bases 520, and the tube 100 is mounted on the support bases 520, the supporting base 610 supports the fixing base 520, and the supporting plate 620 is installed to fix the pipe 100.

Referring to fig. 1 to 4, the pipe body 100 further includes a reinforced steel layer 120, an inner surface of the reinforced steel layer 120 is connected to an outer surface of the stainless steel inner lining pipe 110, an outer surface of the reinforced steel layer 120 is connected to an inner surface of the gray cast iron layer 130, and the reinforced steel layer 120 reinforces strength of the pipe body 100 to prevent the pipe body 100 from being broken due to insufficient strength during installation and use.

Referring to fig. 2 to 4, the protection device 200 further includes a plurality of attachment rings 220, the inner surfaces of the plurality of attachment rings 220 are connected to the outer surface of the corrosion protection layer 210, and the attachment rings 220 increase the contact area with other objects to prevent the tube 100 from sliding.

Referring to fig. 1-5, the connection device 300 further includes a connection screw 330, the left connection plate 310 is connected to the right connection plate 320 by the connection screw 330, and the left connection plate 310 and the right connection plate 320 are conveniently connected to other pipes.

Referring to fig. 2 to 4, the sealing device 400 further includes a second gasket 450, a lower surface of the second gasket 450 is connected to the other side surface of the sealing plate 430, and the first gasket 440 and the second gasket 450 prevent a leakage phenomenon during the use of the pipeline.

Referring to fig. 1-4, the dismounting fixture 500 further includes a fixing screw 530, the fixing bases 520 are respectively connected to the fixing screw 530, the fixing bases 520 facilitate fixing the position of the pipeline, and the fixing screw 530 facilitates mounting and dismounting the dismounting fixture 500.

Referring to fig. 1-2, the supporting device 600 further includes two fixing holes 630, the fixing holes 630 are respectively disposed on the upper surfaces of the supporting plates 620, and the fixing holes 630 enable the device to be fixed on the plane of the building object.

The utility model discloses the theory of operation:

please refer to fig. 1-5, the utility model relates to a nodular cast iron composite pipe of inside lining stainless steel, body 100 is equipped with reinforced steel layer 120, strengthen the intensity of pipeline, it is damaged to make the difficult rupture of pipeline, bushing pipe 110 prevents that intraductal transportation material from causing the corruption to the pipeline in the stainless steel, anticorrosive coating 210 prevents that external environment from corroding the pipeline, control two convenient and other pipe connections of connecting plate, in the in-process of transportation, rubber layer 410, first sealed pad 440 and the sealed 450 of second all seal up pipeline connection part, prevent that the phenomenon of leaking from appearing in the pipeline, dismantle fixing device 500 and strutting arrangement 600 and make things convenient for the piping erection to fix on other building surfaces.

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 understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a nodular cast iron composite pipe of inside lining stainless steel, includes body (100), protection device (200), connecting device (300), sealing device (400), dismantles fixing device (500) and strutting arrangement (600), its characterized in that: the pipe body (100) comprises a stainless steel lining pipe (110) and an ash cast iron layer (130), the stainless steel lining pipe (110) and the ash cast iron layer (130) are cylinders with hollow interiors, the protection device (200) comprises an anticorrosive layer (210), the inner surface of the anticorrosive layer (210) is connected with the outer surface of the ash cast iron layer (130), the connecting device (300) comprises a left connecting plate (310) and a right connecting plate (320), one side surface of the left connecting plate (310) is welded with one end of the stainless steel lining pipe (110), one side surface of the right connecting plate (320) is welded with the other end of the stainless steel lining pipe (110), the sealing device (400) comprises a rubber layer (410), a connecting pipe (420), a lining sealing plate (430) and a first sealing gasket (440), the outer surface of the rubber layer (410) is connected with the inner surface of the stainless steel pipe (110), and the outer surface of the connecting pipe (420) is connected with the inner surface of the rubber layer (410), the sealing plate (430) is provided with a through hole, through hole internal surface and connecting pipe (420) outer surface weld, first sealed pad (440) sets up between left connecting plate (310) opposite side surface and sealing plate (430) side surface, it is a plurality of including protection pad (510) and fixing base (520) to dismantle fixing device (500) protection pad (510) internal surface and anticorrosive coating (210) outer surface connection, it is a plurality of protection pad (510) surface respectively with a plurality of fixing base (520) inner surface connection, strutting arrangement (600) include supporting seat (610) and backup pad (620), and is a plurality of supporting seat (610) upper surface respectively with a plurality of fixing base (520) lower surface weld, a plurality of backup pad (620) upper surface respectively with a plurality of supporting seat (610) lower surface weld.

2. The stainless steel-lined ductile iron composite pipe according to claim 1, wherein: the pipe body (100) further comprises a reinforced steel layer (120), the inner surface of the reinforced steel layer (120) is connected with the outer surface of the stainless steel lining pipe (110), and the outer surface of the reinforced steel layer (120) is connected with the inner surface of the gray cast iron layer (130).

3. The stainless steel-lined ductile iron composite pipe according to claim 1, wherein: the protective device (200) further comprises attachment rings (220), and the inner surfaces of the attachment rings (220) are connected with the outer surface of the anti-corrosion layer (210).

4. The stainless steel-lined ductile iron composite pipe according to claim 1, wherein: the connecting device (300) further comprises a connecting screw (330), and the left connecting plate (310) and the right connecting plate (320) are connected through the connecting screw (330).

5. The stainless steel-lined ductile iron composite pipe according to claim 1, wherein: the sealing device (400) further comprises a second sealing gasket (450), and the lower surface of the second sealing gasket (450) is connected with the other side surface of the sealing plate (430).

6. The stainless steel-lined ductile iron composite pipe according to claim 1, wherein: the disassembly fixing device (500) further comprises fixing screws (530), and the fixing seats (520) are connected with the fixing screws (530) respectively.

7. The stainless steel-lined ductile iron composite pipe according to claim 1, wherein: the supporting device (600) further comprises fixing holes (630), and the fixing holes (630) are respectively formed in the upper surfaces of the supporting plates (620).