CN218032043U - Length compensation nipple joint for connecting anti-corrosion lining pipe fitting - Google Patents
Length compensation nipple joint for connecting anti-corrosion lining pipe fitting Download PDFInfo
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- CN218032043U CN218032043U CN202222331514.8U CN202222331514U CN218032043U CN 218032043 U CN218032043 U CN 218032043U CN 202222331514 U CN202222331514 U CN 202222331514U CN 218032043 U CN218032043 U CN 218032043U
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Abstract
The utility model provides an anticorrosive inside lining pipe for pipe connection length compensation nipple joint, including the seamless steel pipe that both sides dock setting, both sides seamless steel pipe inboard is provided with the pottery inner liner, the pottery inner liner forms outstanding perpendicular ceramic flange structure in the seamless steel pipe terminal surface of both sides, the detachable looper flange that is provided with in looper head one side, and is a plurality of extension bolt fastening process promotes both sides perpendicular ceramic flange structure is close to each other and then makes the water line extrusion seal ring produce distortion deformation, the utility model discloses a one end socket joint one end supports and leans on formula compensation nipple joint mounting means to set up seal ring at the junction of compensation nipple joint and both ends seamless steel pipe, thereby take place distortion deformation under the axial extrusion of water line through seal ring and improved the leakproofness of connecting tube greatly, and can dismantle the compensation nipple joint that sets up and carry out the timely compensation of pipeline length default part, effectively promoted the field engineering progress, guarantee the sealing performance of pipeline.
Description
Technical Field
The utility model relates to a pipe compensation connects nipple joint technical field, specifically is a length compensation nipple joint is used in connection of anticorrosive inside lining pipe fitting.
Background
In the prior art, the disclosure number of the directional connection nipple of the air-tight oil pipe hanger is 'CN 214498931U', and the directional connection nipple comprises a nipple parent body, a nipple male body and a nipple locking nut; one end of the nipple parent body is provided with a male buckle thread, and the other end of the nipple parent body is provided with a sealing light cylinder; the oil pipe hanger is characterized in that one end of the short section male body is a female buckle thread, the other end of the short section male body is a sealing boss, the short section locking nut sleeve is arranged outside one end of the short section parent sealing optical cylinder, the oil pipe hanger can meet steering requirements without rotating a pipe column below a well head, damage to the threaded connection of the air-tight oil pipe caused by rotation is avoided, and driving protection and navigation are achieved for petroleum safety production.
But the directional connecting short section of the airtight oil pipe hanger still has obvious defects in the using process: 1. the pipe nipple of the device adopts a thread mounting structure to connect the pipelines at two sides, and because a thread matching gap can be generated in the thread mounting structure, fluid can leak through the gap for the pipeline with larger pressure, so that the pipeline sealing property by adopting the connection mode is difficult to ensure; 2. in the installation process of the anti-corrosion pipeline in the chemical field, certain deviation can occur between field measurement drawing production and actual production installation, so that installation size and angle deviation can occur when the pipeline is in butt joint installation on site, further pipeline length is deficient, when the deficient length is not enough to utilize a pipeline gasket for compensation, the pipeline needs to be re-arranged, the field installation progress is greatly delayed in the re-arranging process, and if a temporary pipeline is adopted for replacement, the problems of leakage or poor durability and the like can be caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an anticorrosive inside lining pipe connections uses length compensation nipple joint to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides an anticorrosive inside lining pipe connection is with length compensation nipple joint, includes the seamless steel pipe that both sides dock setting, both sides the seamless steel pipe inboard is provided with the pottery inner liner, the pottery inner liner forms outstanding perpendicular ceramic flange structure, both sides at the seamless steel pipe terminal surface of both sides perpendicular ceramic flange structure department has all seted up the water line, perpendicular ceramic flange structure's cooperation terminal surface is provided with seal ring, both sides fixed mounting has loop head and mounting flange respectively on the seamless steel pipe, the terminal surface of the outstanding mounting flange of seamless steel pipe of mounting flange connection one side forms suit portion, the compensation nipple joint is installed to the detachable socket joint in the suit portion outside, the compensation nipple joint is used for compensateing the pipe connection scarce length, when both sides the seamless steel pipe butt joint length takes off the compensation nipple joint from suit portion when abundant, loop head one side is detachable is provided with the loop flange, through the extension bolt fixed connection that a plurality of ring array set up between loop flange and the mounting flange, it is a plurality of to add the extension bolt fastening process promotion both sides perpendicular ceramic structure is close to each other and then makes the water line turn-ups extrusion produce distortion.
Preferably, be provided with the ceramic inner liner in the compensation nipple joint, the ceramic inner liner forms ceramic end face, both sides in compensation nipple joint both sides all set up on the ceramic end face with perpendicular ceramic flange structure complex water line, the compensation nipple joint includes macrostoma end and microcephaly end, the ceramic end face that the compensation nipple joint is close to loose sleeve head one end flushes the setting with compensation nipple joint terminal surface, the compensation nipple joint is close to the ceramic end face of mounting flange one end in and receives in macrostoma end inboard.
Preferably, the cutting section of the sealing washer is respectively a stainless steel lining layer, an ethylene propylene diene monomer interlayer and a polytetrafluoroethylene surface layer from inside to outside.
Preferably, the movable sleeve head and the fixed flange are fixedly sleeved on the seamless steel pipes on two sides through the buckles, and buckle grooves for limiting the buckles are further formed in the seamless steel pipes on the two sides.
Preferably, the diameter of the sealing washer close to one side of the movable sleeve head is consistent with the diameter of the small opening end of the compensation short section, and the diameter of the sealing washer arranged in the compensation short section is consistent with the diameter of the seamless steel pipe on the same side.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model adopts the installation mode of one end socket and one end leaning type compensation short section, the fixed flange and the lap joint flange which are arranged at two ends are mutually close under the fastening of the lengthened bolt so as to lean and fix the compensation short section, and the sealing washer is arranged at the joint of the compensation short section and the seamless steel pipe at two ends, and the sealing washer generates distortion deformation under the axial extrusion of the water line, thereby greatly improving the sealing performance of the connecting pipeline and generating leakage risk of fluid inside the effective mode;
2. the utility model discloses the compensation nipple joint that the utilization can be dismantled and set up carries out the timely compensation of pipeline length default part, compares in the piping again, has effectively promoted the field work progress, reduces the loss cost of piping again, and compares in replacing the pipeline temporarily that sealing performance is better.
The utility model discloses a formula compensation nipple joint mounting means is supported to one end socket joint one end to set up seal ring in the junction of compensation nipple joint and both ends seamless steel pipe, thereby take place distortion under the axial extrusion of water wave line through seal ring and improved the leakproofness of connecting tube greatly, and can dismantle the compensation nipple joint that sets up and carry out the timely compensation of pipeline length default part, effectively promoted the site engineering progress, guarantee the sealing performance of pipeline.
Drawings
FIG. 1 is a schematic sectional view of the overall structure of the present invention;
FIG. 2 is a schematic view of the enlarged structure of area A of the present invention;
FIG. 3 is a schematic sectional view of the assembly structure of the compensating nipple of the present invention;
fig. 4 is the utility model discloses no compensation nipple joint assembly structure schematic diagram of cutting across.
In the figure: the seamless steel pipe comprises a seamless steel pipe 1, a ceramic lining layer 2, a vertical ceramic flanging structure 3, a water line 4, a movable sleeve head 5, a fixed flange 6, a compensation short section 7, a ceramic end face 8, a sealing washer 9, a movable sleeve flange 10, an lengthened bolt 11, a stainless steel lining layer 12, an ethylene propylene diene monomer interlayer 13, a polytetrafluoroethylene surface layer 14, a buckle 15, a buckle groove 16 and a sleeving part 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.
Referring to fig. 1-4, the present invention provides a technical solution:
the first embodiment is as follows:
the utility model provides a length compensation nipple joint is used in anticorrosive inside lining pipe connection, seamless steel pipe 1 including the butt joint formula setting of both sides, 1 inboard of seamless steel pipe of both sides is provided with ceramic inner liner 2, ceramic inner liner 2 forms outstanding perpendicular ceramic flange structure 3 at 1 terminal surface of seamless steel pipe of both sides, water line 4 has all been seted up in the perpendicular ceramic flange structure 3 department of both sides, the cooperation terminal surface of perpendicular ceramic flange structure 3 is provided with seal ring 9, there are loose joint head 5 and mounting flange 6 on the seamless steel pipe 1 of both sides respectively fixed mounting, mounting flange 6 connects the terminal surface of 1 outstanding mounting flange 6 of seamless steel pipe of one side and forms suit portion 17, compensation nipple joint 7 is installed to the detachable socket joint in suit portion 17 outside, compensation nipple joint 7 is used for remedying the pipe connection default length, take off compensation nipple joint 7 from suit portion 17 when the seamless steel pipe 1 butt joint length of both sides is sufficient, loose joint head 5 one side is detachable is provided with loose joint flange 10, the extension bolt 11 fixed connection that sets up through a plurality of annular array between loose joint flange 10 and the mounting flange 6, the perpendicular ceramic flange 3 that a plurality of extension bolt 11 fastening process promoted both sides is close to each other and then makes the water line 4 extrusion distortion production seal ring 9.
In the embodiment, the seamless steel pipe 1 and the compensating short section 7 both have the ceramic lining layer 2 structure, thereby improving the corrosion resistance of the whole device, the vertical ceramic flanging structure 3 is arranged on the end surface of the seamless steel pipe 1, thereby prolonging the sealing path of the sealing gasket 9 and being beneficial to improving the sealing performance, the fixing flange 6 and the loop flange 10 are respectively arranged on the seamless steel pipe 1 at both sides, the seamless steel pipe 1 and the loop flange are fastened and connected through the lengthened bolt 11, the two are mutually close to each other in the fastening process to abut against the sealing gasket 9 arranged therein, thereby completing the sealing connection of the seamless steel pipe 1 at both sides, wherein the compensating short section 7 is detachably inserted and arranged in the sleeving part 17, the compensating short section 7 comprises a large-opening end and a small-opening end, the large-opening end and the small-opening end are integrally formed in a stepped vertical flaring mode, the ceramic end surface 8 of the compensating short section 7 close to one end of the loop head 5 is flush with the end surface of the compensating short section 7, the inside of a ceramic end face 8 of one end of a compensating short section 7 close to a fixed flange 6 is arranged at the inner side of a large opening end, the diameter of a sealing washer 9 close to one side of a movable sleeve head 5 is consistent with the diameter of a small opening end of the compensating short section 7, a protrudingly arranged seamless steel pipe 1 is in bell and spigot fit with the large opening end of the compensating short section 7, the diameter of the sealing washer 9 arranged in the compensating short section 7 is consistent with the diameter of the seamless steel pipe 1, if the length of the seamless steel pipes 1 at two sides is deficient in the assembling process, the large opening end of the compensating short section 7 is in bell and spigot fit with the seamless steel pipe 1 at one side, the other end of the compensating short section 7 is in butt fit with the seamless steel pipe 1 at the other side, the seamless steel pipes 1 at two ends generate axial mutual extrusion force through fastening of a lengthened bolt 11, and the vertical ceramic flanging structure 3 and a water line 4 of the ceramic end face 8 are forced to extrude the sealing washer 9 to generate distortion deformation, finally, the sealing path of the sealing washer 9 is prolonged, the sealing performance of the pipeline is improved, if the lengths of the seamless steel pipes 1 on the two sides are proper in the assembling process and do not need to be compensated, the compensation short section 7 is taken down from the sleeving part 17, the seamless steel pipes 1 on the two ends generate axial mutual extrusion force by fastening the lengthened bolts 11, and finally the seamless steel pipes 1 on the two sides are connected.
Example two:
in the embodiment, the cutting cross section of the sealing washer 9 is respectively a stainless steel lining layer 12, an ethylene propylene diene monomer interlayer 13 and a polytetrafluoroethylene surface layer 14 from inside to outside, the sealing washer 9 in the embodiment adopts a multi-layer composite structure, the cutting cross section of the sealing washer is respectively the stainless steel lining layer 12, the ethylene propylene diene monomer interlayer 13 and the polytetrafluoroethylene surface layer 14 from inside to outside, and as the stainless steel has the characteristics of high precision, high smoothness, strong toughness and difficult breakage, the gasket has strong bearing capacity and does not deform in the installation process, no matter the gasket provides support in the axial direction or the radial direction, an anti-corrosion pipeline is usually applied to high-temperature and anti-corrosion environments, a simple organic sealing material has the problems of deformation and aging of the gasket and the like in long-term severe working condition use, the stainless steel gasket plays a good supporting role, the ethylene propylene diene monomer has excellent high-temperature resistance and aging resistance, the surface is smooth and flat, the sealing washer has good elasticity and compression deformation resistance, meanwhile, the polytetrafluoroethylene material has the characteristics of high-temperature resistance, low-temperature resistance, strong acid resistance, strong alkali resistance, long service life and the like, and the sealing performance of the sealing washer 9 is effectively ensured through the combination of the three materials.
Example three:
in this embodiment, loop head 5 and mounting flange 6 all fix the suit through buckle 15 on the seamless steel pipe 1 of both sides, seamless steel pipe 1 of both sides is last still to have seted up and to have carried out spacing buckle groove 16 to buckle 15, the fastening through buckle 15 will loop head 5 or the fixed suit of mounting flange 6 at seamless steel pipe 1, simultaneously in order to prevent loop head 5 and mounting flange 6 to produce the endwise slip, buckle groove 16 has been seted up through the girl of scattering flowers at seamless steel pipe 1, thereby it is spacing to utilize buckle 15 and the cooperation realization buckle 15 in buckle groove 16, and then realize loop head 5 and mounting flange 6 spacing, guaranteed that this compensation nipple 7 can carry out sealing connection with the seamless steel pipe 1 of both sides for a long time.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an anticorrosive inside lining pipe for pipe connections length compensation nipple joint, includes seamless steel pipe (1) that both sides dock setting, both sides seamless steel pipe (1) inboard is provided with ceramic inner liner (2), its characterized in that: ceramic lining layer (2) forms outstanding perpendicular ceramic flange structure (3) in seamless steel pipe (1) terminal surface of both sides, both sides perpendicular ceramic flange structure (3) department has all seted up water mark line (4), the cooperation terminal surface of perpendicular ceramic flange structure (3) is provided with seal ring (9), both sides fixed mounting has loop head (5) and mounting flange (6) respectively on seamless steel pipe (1), the terminal surface of seamless steel pipe (1) outstanding mounting flange (6) of one side is connected in mounting flange (6) forms suit portion (17), compensation nipple joint (7) are installed to the detachable socket joint in suit portion (17) outside, compensation nipple joint (7) are used for remedying the pipe connection default length, when both sides when seamless steel pipe (1) butt joint length is sufficient with compensation nipple joint (7) from suit portion (17) take off, loop head (5) one side is detachable be provided with loop flange (10), the bolt fastening that sets up through a plurality of ring array between loop flange (10) and mounting flange (6) and then the extension screw mark line deformation process is promoted to ceramic flange (11) extension screw mark line (3) each other extension extrusion process and promote the perpendicular ceramic flange (9) and produce extension deformation.
2. The length compensation nipple for connecting the corrosion-resistant lining pipe fitting according to claim 1, characterized in that: be provided with ceramic inner liner layer (2) in compensation nipple joint (7), ceramic inner liner layer (2) forms ceramic end face (8) in compensation nipple joint (7) both sides, both sides all set up on ceramic end face (8) with perpendicular ceramic flange structure (3) complex water line (4), compensation nipple joint (7) are including big mouth end and microcephaly end, ceramic end face (8) that compensation nipple joint (7) are close to loop head (5) one end flush the setting with compensation nipple joint (7) terminal surface, compensation nipple joint (7) are close to ceramic end face (8) the internal contraction of mounting flange (6) one end in the microcephaly end inboard.
3. The length compensation nipple for connecting the corrosion-resistant lining pipe fitting according to claim 1 or 2, characterized in that: the cutting section of the sealing washer (9) is respectively a stainless steel lining layer (12), an ethylene propylene diene monomer interlayer (13) and a polytetrafluoroethylene surface layer (14) from inside to outside.
4. The length compensation nipple for connecting the corrosion-resistant lining pipe fitting according to claim 3, characterized in that: the movable sleeve head (5) and the fixed flange (6) are fixedly sleeved on the seamless steel pipes (1) on two sides through the buckles (15), and buckle grooves (16) for limiting the buckles (15) are further formed in the seamless steel pipes (1) on the two sides.
5. The length compensation nipple for connecting the corrosion-resistant lining pipe fitting as claimed in claim 4, wherein: the diameter of the sealing washer (9) close to one side of the movable sleeve head (5) is consistent with the diameter of the small opening end of the compensation short section (7), and the diameter of the sealing washer (9) arranged in the compensation short section (7) is consistent with the diameter of the seamless steel pipe (1) on the same side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222331514.8U CN218032043U (en) | 2022-09-02 | 2022-09-02 | Length compensation nipple joint for connecting anti-corrosion lining pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222331514.8U CN218032043U (en) | 2022-09-02 | 2022-09-02 | Length compensation nipple joint for connecting anti-corrosion lining pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218032043U true CN218032043U (en) | 2022-12-13 |
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ID=84352620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222331514.8U Active CN218032043U (en) | 2022-09-02 | 2022-09-02 | Length compensation nipple joint for connecting anti-corrosion lining pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218032043U (en) |
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2022
- 2022-09-02 CN CN202222331514.8U patent/CN218032043U/en active Active
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