CN108253211A - A kind of macromolecular antiseptic liner lengthens box cupling - Google Patents
A kind of macromolecular antiseptic liner lengthens box cupling Download PDFInfo
- Publication number
- CN108253211A CN108253211A CN201810073078.4A CN201810073078A CN108253211A CN 108253211 A CN108253211 A CN 108253211A CN 201810073078 A CN201810073078 A CN 201810073078A CN 108253211 A CN108253211 A CN 108253211A
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- China
- Prior art keywords
- liner
- box cupling
- buckle
- pipe
- internal lining
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
- F16L58/18—Protection of pipes or pipe fittings against corrosion or incrustation specially adapted for pipe fittings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Abstract
The invention discloses a kind of macromolecular antiseptic liners to lengthen box cupling, including center big envelope, upper separation sleeve and fixing sleeve, flexible gum cover is provided on the outside of the center big envelope, and liner box cupling is installed on the inside of the big envelope of center, the surface of the liner box cupling is provided with sliding slot, and buckle is installed on the outside of sliding slot, the centre of the center big envelope is fixed with liner pipe connector sleeves, and sealing ring is installed on the inside of liner pipe connector sleeves, extension pipe is provided with above the center big envelope, and the outer wall of extension pipe is fixed with annular groove, the inner wall of the upper separation sleeve, which is welded with, cuts rail, and upper separation sleeve is between buckle, lasso is provided with above the fixing sleeve, and fixing sleeve is located at the top of extension pipe.The macromolecular antiseptic liner, which lengthens box cupling, has the corrosion resistance of superelevation, has the fixed running-on of multiple connections, is associated with layer by layer, compact-sized, the anti-corrosion protection of relatively long distance can be carried out to internal lining pipe, and can avoid internal lining pipe turning edge of pipe-mouth.
Description
Technical field
The present invention relates to internal lining pipe box cupling engineering device technique field, specially a kind of macromolecular antiseptic liner lengthens box cupling.
Background technology
Oil tube inner lining box cupling is on the basis of oil pipe lengthens box cupling, by special processing process, by high molecular material
(UHMW-PE) the J value parts for lengthening box cupling are lining in, so as to reach anti-corrosion effect, high molecular material uses molecular weight as 2,000,000
Modified ultra-high molecular weight polyethylene, practical heatproof are 100 DEG C.
However existing liner coupling length is shorter, it is impossible to longer anti-corrosion protection is provided for internal lining pipe, itself knot
Structure intensity is insufficient, is easily fallen off when box cupling is installed on internal lining pipe by various environmental factors, while easily internally
The nozzle position of bushing pipe causes to damage or even internal lining pipe nozzle is caused the major injuries such as flange, notch occur, seriously affects interior
The structural strength and service life of bushing pipe, for this purpose, it is proposed that a kind of corrosion resistance with superelevation, and internal lining pipe can be avoided
The high intensity box cupling of turning edge of pipe-mouth.
Invention content
The purpose of the present invention is to provide a kind of macromolecular antiseptic liners to lengthen box cupling, to solve to carry in above-mentioned background technology
The existing liner coupling length gone out is shorter, it is impossible to longer anti-corrosion protection is provided for internal lining pipe, self structure intensity is not
It is sufficient, the problem of easily coming off, while damage easily caused to the nozzle position of internal lining pipe.
To achieve the above object, the present invention provides following technical solution：A kind of macromolecular antiseptic liner lengthens box cupling, including
Center big envelope, upper separation sleeve and fixing sleeve are provided with flexible gum cover, and the inside peace of center big envelope on the outside of the center big envelope
Equipped with liner box cupling, the surface of the liner box cupling is provided with sliding slot, and buckle is equipped on the outside of sliding slot, the center big envelope
Centre be fixed with liner pipe connector sleeves, and sealing ring is installed on the inside of liner pipe connector sleeves, the top of the center big envelope
Extension pipe is provided with, and the outer wall of extension pipe is fixed with annular groove, is provided with buckle on the inside of the annular groove, and up and down the two of buckle
Side is respectively and fixedly provided with seal washer, and the inner wall of the upper separation sleeve, which is welded with, cuts rail, and upper separation sleeve is between buckle, it is described on
The inside of separation sleeve is equipped with fixed seal, and the centre of upper fixed seal is provided with internal lining pipe anti-corrosion guard ring, described interior
The inner wall of bushing pipe anti-corrosion guard ring is fixed with corrosion ring, and sealed separation circle is equipped on rear side of corrosion ring, the upper separation sleeve
Lower section be provided with lower separation sleeve, and the inside of lower separation sleeve is equipped with lower fixed seal, the inside of the buckle is in having
Bushing pipe is provided with lasso, and fixing sleeve is located at the top of extension pipe, is equipped on the outside of the lasso above the fixing sleeve
Spring, and booster set is provided on the inside of lasso, the inner wall of the booster set is fixed with steel plate, and be provided with below booster set
Bottom fixing sleeve, the inner wall of the steel plate are fixed with buckle, outer connector sleeve are provided with above the lasso, and outer connector sleeve is interior
Side is equipped with buckle teeth, interior metal lining is provided on the outside of the outer connector sleeve, and outer modeling is fixed on the outside of interior metal lining
Glue siding.
Preferably, it is fitted closely between the medial surface of the sliding slot and the lateral surface of buckle, and buckle is about in sliding slot
Axis is annularly uniformly distributed.
Preferably, there are two the liner box cupling is symmetrical arranged about the horizontal center line of liner pipe connector sleeves, and liner
The central axes of box cupling are overlapped with the central axes of center big envelope.
Preferably, the inner surface radian of the corrosion ring is equal with the inner surface radian of internal lining pipe anti-corrosion guard ring, and each
Thickness is equal between a corrosion ring.
Preferably, size matches between the annular groove and buckle, and cooperates between upper separation sleeve and lower separation sleeve.
Preferably, the outer diameter of the lower fixed seal is more than the outer diameter of upper fixed seal, and upper fixed seal
It is mutually parallel between lower fixed seal.
Preferably, the lasso forms retractable structure by spring and fixing sleeve, and spring is in ring along the outside of lasso
Shape is uniformly distributed.
Preferably, it is symmetrical in " ten " word about the central axes of lasso between the booster set, and the outer wall of booster set
It is in 30 ° of angles between the inner wall of lasso.
Preferably, it is bonded to each other, and interior gold between the medial surface of the lateral surface of the interior metal lining and outer plastic cement siding
It is equal to belong to thickness between bushing and outer plastic cement siding.
Compared with prior art, the beneficial effects of the invention are as follows：The macromolecular antiseptic liner, which lengthens box cupling, has superelevation
Corrosion resistance has the fixed running-on of multiple connections, is associated with layer by layer, compact-sized, and the anti-corrosion of relatively long distance can be carried out to internal lining pipe
Erosion protection, and internal lining pipe turning edge of pipe-mouth can be avoided, it cooperates between sliding slot and buckle, makes liner box cupling in the big envelope of center
With stronger flexibility ratio, facilitate the connection of internal lining pipe, and can by the nozzle position of internal lining pipe as much as possible with liner box cupling
Inner wall fit closely, avoid the problem that notch or flange occurs in the nozzle of internal lining pipe, liner box cupling is for connecting two differences
Internal lining pipe, internal lining pipe is made to be fixedly attached to the lengthening for together, completing internal lining pipe, liner under the action of internal lining pipe connector sleeve
The setting of pipe anti-corrosion guard ring is to provide fixed support, while also carry out anti-corrosion guarantor to the outer wall of internal lining pipe to internal lining pipe
Shield, the part that internal lining pipe is connect with internal lining pipe anti-corrosion guard ring, due to being come from, internal lining pipe anti-corrosion guard ring is smaller to be squeezed
Pressure acts on, and for comparing other parts, it is weak that internal lining pipe structure herein compares comparison, but under the action of corrosion ring, it is interior
The pressure-bearing thickness of bushing pipe is thickened, and internal lining pipe herein can be protected, cooperated between annular groove and buckle, can be with make-up
Plate carries out rotation adjusting, rotates internal lining pipe anti-corrosion guard ring, changes the opposite position between internal lining pipe anti-corrosion guard ring and internal lining pipe
It puts, position of the corrosion ring on internal lining pipe outer wall is adjusted, the corrosion ring separated is avoided to leave impression on internal lining pipe, on
Be connected between separation sleeve and lower separation sleeve, upper separation sleeve can be adjusted respectively with lower separation sleeve, upper separation sleeve under every
Interference-free from the activity between set, lower fixed seal and upper fixed seal make liner for secure liner pipe anti-corrosion guard ring
Pipe anti-corrosion guard ring has certain structural strength, and booster set is provided with 4 altogether, and booster set is using in its own outer wall and lasso
30 ° of angles between wall make booster set have certain elastic deformation ability in itself, internal lining pipe can be gripped, made
Box cupling can be fixed on internal lining pipe, and box cupling is avoided to come off, and anti-corrosion protection is provided internal lining pipe so as to reach the box cupling moment
Purpose is connected between lasso and fixing sleeve by spring, under the elastic reaction of spring, can will be drawn between lasso and fixing sleeve
Certain distance is opened, fixed position of the box cupling on internal lining pipe is adjusted, makes the stabilization that is connected firmly between internal lining pipe and box cupling, interior gold
Belong to and being mutually adjacent between bushing and outer plastic cement siding, can the outside of external connection set carry out reinforcement protection, make the outer of outer connector sleeve
Side has good structural strength and corrosion resistance.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is separation sleeve structure diagram of the present invention；
Fig. 3 is internal lining pipe anti-corrosion guard ring structure diagram of the present invention；
Fig. 4 is lasso side structure schematic diagram of the present invention；
Fig. 5 is lasso cross section structure schematic diagram of the present invention.
In figure：1st, center big envelope, 2, flexible gum cover, 3, liner box cupling, 4, sliding slot, 5, buckle, 6, liner pipe connector sleeves, 7,
Sealing ring, 8, extension pipe, 9, annular groove, 10, buckle, 11, seal washer, 12, upper separation sleeve, 13, cut rail, 14, upper fixed seal,
15th, internal lining pipe anti-corrosion guard ring, 16, corrosion ring, 17, sealed separation circle, 18, lower separation sleeve, 19, lower fixed seal, 20, liner
Pipe, 21, fixing sleeve, 22, lasso, 23, spring, 24, booster set, 25, steel plate, 26, bottom fixing sleeve, 27, buckle, 28, outer connection
Set, 29, buckle teeth, 30, interior metal lining, 31, outer plastic cement siding.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
- 5 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of macromolecular antiseptic liner lengthens box cupling, including in
Heart big envelope 1, upper separation sleeve 12 and fixing sleeve 21, the outside of center big envelope 1 are provided with flexible gum cover 2, and the inside of center big envelope 1
Liner box cupling 3 is installed, the surface of liner box cupling 3 is provided with sliding slot 4, and the outside of sliding slot 4 is equipped with buckle 5, sliding slot 4 it is interior
It is fitted closely between the lateral surface of side and buckle 5, and buckle 5 is annularly uniformly distributed about the central axes of sliding slot 4, sliding slot 4
It cooperates between buckle 5, makes liner box cupling 3 that there is stronger flexibility ratio in center big envelope 1, facilitate the company of internal lining pipe 20
It connects, and inner wall of the nozzle position of internal lining pipe 20 as much as possible with liner box cupling 3 can be fitted closely, avoid internal lining pipe 20
There is the problem of notch or flange in nozzle, and the centre of center big envelope 1 is fixed with liner pipe connector sleeves 6, and liner pipe connector sleeves 6
Inside is equipped with sealing ring 7, there are two liner box cupling 3 is symmetrical arranged about the horizontal center line of liner pipe connector sleeves 6, and liner
The central axes of box cupling 3 are overlapped with the central axes of center big envelope 1, and liner box cupling 3 makes interior for connecting two different internal lining pipes 20
Bushing pipe 20 is fixedly attached to the lengthening for completing internal lining pipe 20 together under the action of internal lining pipe connector sleeve 6, center big envelope 1
Top is provided with extension pipe 8, and the outer wall of extension pipe 8 is fixed with annular groove 9, and the inside of annular groove 9 is provided with buckle 10, and buckle 10
Both sides up and down be respectively and fixedly provided with seal washer 11, the inner wall of upper separation sleeve 12, which is welded with, cuts rail 13, and upper separation sleeve 12 be located at button
Between plate 10, the inside of upper separation sleeve 12 is equipped with fixed seal 14, and the centre of upper fixed seal 14 is provided with internal lining pipe
Anti-corrosion guard ring 15, the inner wall of internal lining pipe anti-corrosion guard ring 15 are fixed with corrosion ring 16, and the rear side of corrosion ring 16 be equipped with it is close
Space ring 17 is sealed, the inner surface radian of corrosion ring 16 is equal with the inner surface radian of internal lining pipe anti-corrosion guard ring 15, and each anti-
Thickness is equal between rust ring 16, and the setting of internal lining pipe anti-corrosion guard ring 15 is in order to provide fixed support to internal lining pipe 20, simultaneously
Also to the progress anti-corrosion protection of the outer wall of internal lining pipe 20, the part that internal lining pipe 20 is connect with internal lining pipe anti-corrosion guard ring 15, due to
Come from 15 smaller squeezing action of internal lining pipe anti-corrosion guard ring, for comparing other parts, 20 knot of internal lining pipe herein
It is weak that structure compares comparison, but under the action of corrosion ring 16, the pressure-bearing thickness of internal lining pipe 20 is thickened, can be to liner herein
Pipe 20 is protected, and the lower section of upper separation sleeve 12 is provided with lower separation sleeve 18, and the inside of lower separation sleeve 18 is equipped with lower fixation
Seal 19, size matches between annular groove 9 and buckle 10, and cooperates between upper separation sleeve 12 and lower separation sleeve 18, annular groove 9
It cooperates between buckle 10, rotation adjusting can be carried out to buckle 10, rotation internal lining pipe anti-corrosion guard ring 15 changes liner
Relative position between pipe anti-corrosion guard ring 15 and internal lining pipe 20 adjusts position of the corrosion ring 16 on 20 outer wall of internal lining pipe
It is whole, the corrosion ring 16 separated is avoided to leave impression on internal lining pipe 20, upper separation sleeve 12 can be adjusted respectively with lower separation sleeve 18
Section, the activity between upper separation sleeve 12 and lower separation sleeve 18 is interference-free, and the outer diameter of lower fixed seal 19 is more than upper fixation
The outer diameter of seal 14, and being mutually parallel between upper fixed seal 14 and lower fixed seal 19, lower fixed seal 19 and upper solid
Seal 14 is determined for secure liner pipe anti-corrosion guard ring 15, makes internal lining pipe anti-corrosion guard ring 15 that there is certain structural strength, button
Through there is internal lining pipe 20, the top of fixing sleeve 21 is provided with lasso 22, and fixing sleeve 21 is located at the upper of extension pipe 8 for the inside of plate 10
Side, the outside of lasso 22 are equipped with spring 23, and the inside of lasso 22 is provided with booster set 24, and lasso 22 is by spring 23 and admittedly
Surely set 21 forms retractable structures, and spring 23 is annularly uniformly distributed along the outside of lasso 22, lasso 22 and fixing sleeve 21 it
Between connected by spring 23, under the elastic reaction of spring 23, can will pull open certain distance between lasso 22 and fixing sleeve 21,
Adjust fixed position of the box cupling on internal lining pipe 20, make the stabilization that is connected firmly between internal lining pipe 20 and box cupling, booster set 24 it
Between about lasso 22 central axes in " ten " word it is symmetrical, and between the inner wall of the outer wall of booster set 24 and lasso 22 be in 30 °
Angle, booster set 24 are provided with 4 altogether, and booster set 24 makes increasing using 30 ° of angles between 22 inner wall of its own outer wall and lasso
Pressing sleeve 24 itself has certain elastic deformation ability, and internal lining pipe 20 can be gripped, and box cupling is enable to be fixed on interior
On bushing pipe 20, box cupling is avoided to come off, so as to achieve the purpose that the box cupling moment provides internal lining pipe 20 anti-corrosion protection, booster set 24
Inner wall be fixed with steel plate 25, and the lower section of booster set 24 is provided with bottom fixing sleeve 26, the inner wall of steel plate 25 is fixed with buckle 27,
The top of lasso 22 is provided with outer connector sleeve 28, and the inside of outer connector sleeve 28 is equipped with buckle teeth 29, the outside of outer connector sleeve 28
Interior metal lining 30 is provided with, and the outside of interior metal lining 30 is fixed with outer plastic cement siding 31, the outside of interior metal lining 30
It is bonded to each other between the medial surface of face and outer plastic cement siding 31, and thickness phase between interior metal lining 30 and outer plastic cement siding 31
Deng, be mutually adjacent between interior metal lining 30 and outer plastic cement siding 31, can external connection set 28 outside carry out reinforcement protection, make
The outside of outer connector sleeve 28 has good structural strength and corrosion resistance.
Operation principle：Internal lining pipe 20 is attached by this kind of box cupling with box cupling first, internal lining pipe 20 utilizes center
Big envelope 1 connects together, and two internal lining pipes 20 are passed through from liner box cupling 3 respectively, and are connected under the action of internal lining pipe connector sleeve 6
It is connected to together, sealing ring 7 avoids 20 interface of internal lining pipe from leaking, and cooperates between sliding slot 4 and buckle 5, connects liner
Hoop 3 has stronger flexibility ratio in center big envelope 1, facilitates the connection of internal lining pipe 20, and can be by the nozzle position of internal lining pipe 20
It puts the inner wall as much as possible with liner box cupling 3 to fit closely, avoids the problem that notch or flange occurs in the nozzle of internal lining pipe 20, in
The flexible gum cover 2 in 1 outside of heart big envelope has very high elastic strength, and the exceptionally straight state for being adapted to center big envelope 1 is completed centainly
The elastic telescopic of degree mainly provides anti-corrosion protection to center big envelope 1, extraneous wet air is avoided to cause outside center big envelope 1
Wall gets rusty, and cooperates between annular groove 9 and buckle 10, and rotation adjusting, internal lining pipe anti-corrosion guard ring 15 can be carried out to buckle 10
It rotates therewith, so as to change the relative position between internal lining pipe anti-corrosion guard ring 15 and internal lining pipe 20, including corrosion ring 16
Position on 20 outer wall of bushing pipe is adjusted, and the corrosion ring 16 separated is avoided to leave impression on internal lining pipe 20, and corrosion ring 16 will
The pressure-bearing thickness of internal lining pipe 20 thickens, and can carry out reinforcement protection to the internal lining pipe 20 at upper separation sleeve 12 and lower separation sleeve 18, on
Separation sleeve 12 and lower separation sleeve 18 provide internal lining pipe 20 fixed support, ensure internal lining pipe 20 in box cupling will not run-off the straight,
Lasso 22 can pull open certain distance, supercharging of the internal lining pipe 20 in lasso 22 under the action of spring 23 between fixing sleeve 21
24 effect of set is lower to be stably connected with box cupling, and booster set 24 itself has certain elastic deformation ability, can be to the outer of internal lining pipe 20
Wall is gripped, and box cupling is enable to be fixed on internal lining pipe 20, box cupling is avoided to come off, so as to reach the box cupling moment to liner
Pipe 20 provides the purpose of anti-corrosion protection, and can provide the outer wall of internal lining pipe 20 pressing of appropriateness, and internal lining pipe 20 is avoided to send out
Internal lining pipe 20 is fixed in outer connector sleeve 28 by raw deformation damage, buckle teeth 29, further the peace to box cupling on interior bushing pipe 20
Dress is fixed, and is mutually adjacent between interior metal lining 30 and outer plastic cement siding 31, can external connection set 28 outside added
Gu protection, makes the outside of outer connector sleeve 28 have good structural strength and corrosion resistance, making for entire box cupling is completed like this
Use process.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of macromolecular antiseptic liner lengthens box cupling, including center big envelope (1), upper separation sleeve (12) and fixing sleeve (21),
It is characterized in that：Flexible gum cover (2) is provided on the outside of the center big envelope (1), and liner is installed on the inside of center big envelope (1)
Box cupling (3), the surface of the liner box cupling (3) is provided with sliding slot (4), and buckle (5) is equipped on the outside of sliding slot (4), described
The centre of center big envelope (1) is fixed with liner pipe connector sleeves (6), and is equipped with sealing ring on the inside of liner pipe connector sleeves (6)
(7), extension pipe (8) is provided with above the center big envelope (1), and the outer wall of extension pipe (8) is fixed with annular groove (9), it is described
Be provided with buckle (10) on the inside of annular groove (9), and the both sides up and down of buckle (10) are respectively and fixedly provided with seal washer (11), it is described on every
Inner wall from set (12) is welded with and cuts rail (13), and upper separation sleeve (12) is between buckle (10), the upper separation sleeve (12)
Inside fixed seal (14) is installed, and the centre of upper fixed seal (14) is provided with internal lining pipe anti-corrosion guard ring (15),
The inner wall of the internal lining pipe anti-corrosion guard ring (15) is fixed with corrosion ring (16), and sealing point is equipped on rear side of corrosion ring (16)
Spacer ring (17) is provided with lower separation sleeve (18), and the inside of lower separation sleeve (18) is equipped with below the upper separation sleeve (12)
Lower fixed seal (19), the inside of the buckle (10) are provided with through there is internal lining pipe (20) above the fixing sleeve (21)
Lasso (22), and fixing sleeve (21) is equipped with spring (23) on the outside of the top of extension pipe (8), the lasso (22), and
Booster set (24) is provided on the inside of lasso (22), the inner wall of the booster set (24) is fixed with steel plate (25), and booster set
(24) bottom fixing sleeve (26) is provided with below, the inner wall of the steel plate (25) is fixed with buckle (27), the lasso (22)
Top is provided with outer connector sleeve (28), and buckle teeth (29) is equipped on the inside of outer connector sleeve (28), the outer connector sleeve (28)
Outside is provided with interior metal lining (30), and outer plastic cement siding (31) is fixed on the outside of interior metal lining (30).
2. a kind of macromolecular antiseptic liner according to claim 1 lengthens box cupling, it is characterised in that：The sliding slot (4)
It is fitted closely between the lateral surface of medial surface and buckle (5), and buckle (5) annularly uniformly divides about the central axes of sliding slot (4)
Cloth.
3. a kind of macromolecular antiseptic liner according to claim 1 lengthens box cupling, it is characterised in that：The liner box cupling
(3) there are two the horizontal center line about liner pipe connector sleeves (6) is symmetrical arranged, and the central axes and center of liner box cupling (3)
The central axes of big envelope (1) overlap.
4. a kind of macromolecular antiseptic liner according to claim 1 lengthens box cupling, it is characterised in that：The corrosion ring (16)
Inner surface radian it is equal with the inner surface radian of internal lining pipe anti-corrosion guard ring (15), and thickness phase between each corrosion ring (16)
Deng.
5. a kind of macromolecular antiseptic liner according to claim 1 lengthens box cupling, it is characterised in that：The annular groove (9) with
Size matches between buckle (10), and cooperates between upper separation sleeve (12) and lower separation sleeve (18).
6. a kind of macromolecular antiseptic liner according to claim 1 lengthens box cupling, it is characterised in that：The lower fixed seal
(19) outer diameter is more than the outer diameter of upper fixed seal (14), and upper fixed seal (14) and lower fixed seal (19) it
Between be mutually parallel.
7. a kind of macromolecular antiseptic liner according to claim 1 lengthens box cupling, it is characterised in that：The lasso (22) is logical
It crosses spring (23) and forms retractable structure, and spring (23) annularly uniformly divides along the outside of lasso (22) with fixing sleeve (21)
Cloth.
8. a kind of macromolecular antiseptic liner according to claim 1 lengthens box cupling, it is characterised in that：The booster set (24)
Between about lasso (22) central axes it is symmetrical in " ten " word, and the inner wall of the outer wall of booster set (24) and lasso (22) it
Between be in 30 ° of angles.
9. a kind of macromolecular antiseptic liner according to claim 1 lengthens box cupling, it is characterised in that：The interior metal lining
(30) it is bonded to each other between lateral surface and the medial surface of outer plastic cement siding (31), and interior metal lining (30) and outer plastic cement siding
(31) thickness is equal between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810073078.4A CN108253211B (en) | 2018-01-25 | 2018-01-25 | A kind of macromolecular lining lengthening box cupling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810073078.4A CN108253211B (en) | 2018-01-25 | 2018-01-25 | A kind of macromolecular lining lengthening box cupling |
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| CN108253211A true CN108253211A (en) | 2018-07-06 |
| CN108253211B CN108253211B (en) | 2019-11-08 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114748001A (en) * | 2022-04-29 | 2022-07-15 | 深圳甲壳虫智能有限公司 | Processing method of cleaning piece |
| CN117031930A (en) * | 2023-10-09 | 2023-11-10 | 江苏银家不锈钢管业有限公司 | Corrosion prevention optimization method and system for stainless steel pipe |
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| US20170016563A1 (en) * | 2015-07-14 | 2017-01-19 | All-American Hose Llc | Insulated hose and insulated hose coupling cover |
| CN107345478A (en) * | 2016-05-06 | 2017-11-14 | 中国石油化工股份有限公司 | A kind of Bidirectional-squeezing formula packer body |
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| CN114748001A (en) * | 2022-04-29 | 2022-07-15 | 深圳甲壳虫智能有限公司 | Processing method of cleaning piece |
| CN114748001B (en) * | 2022-04-29 | 2023-11-24 | 深圳甲壳虫智能有限公司 | Processing method of cleaning piece |
| CN117031930A (en) * | 2023-10-09 | 2023-11-10 | 江苏银家不锈钢管业有限公司 | Corrosion prevention optimization method and system for stainless steel pipe |
| CN117031930B (en) * | 2023-10-09 | 2023-12-15 | 江苏银家不锈钢管业有限公司 | Corrosion prevention optimization method and system for stainless steel pipe |
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| CN108253211B (en) | 2019-11-08 |
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Denomination of invention: A kind of polymer lining extension coupling Effective date of registration: 20221018 Granted publication date: 20191108 Pledgee: Dongying Hekou District sub branch of China Post Savings Bank Co.,Ltd. Pledgor: SHENGLI OILFIELD JINDAO INDUSTRIAL Co.,Ltd. Registration number: Y2022980018746 |