CN105135099A - Double-sealing clamping-ring-bearing water pipe quick swing joint - Google Patents
Double-sealing clamping-ring-bearing water pipe quick swing joint Download PDFInfo
- Publication number
- CN105135099A CN105135099A CN201510636731.XA CN201510636731A CN105135099A CN 105135099 A CN105135099 A CN 105135099A CN 201510636731 A CN201510636731 A CN 201510636731A CN 105135099 A CN105135099 A CN 105135099A
- Authority
- CN
- China
- Prior art keywords
- water pipe
- connecting end
- pipe connecting
- seal ring
- joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 100
- 238000007789 sealing Methods 0.000 title claims abstract description 32
- 239000008399 tap water Substances 0.000 claims abstract description 33
- 235000020679 tap water Nutrition 0.000 claims abstract description 33
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000000741 silica gel Substances 0.000 claims abstract description 23
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 23
- 238000010079 rubber tapping Methods 0.000 claims description 6
- 239000002699 waste material Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 5
- 230000002265 prevention Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
- F16L19/0206—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member the collar not being integral with the pipe
-
- 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
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
- F16L19/0212—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member using specially adapted sealing means
- F16L19/0218—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member using specially adapted sealing means comprising only sealing rings
-
- 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
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/06—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends
- F16L19/065—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends the wedging action being effected by means of a ring
- F16L19/0656—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends the wedging action being effected by means of a ring integral with one of the connecting parts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Branch Pipes, Bends, And The Like (AREA)
- Domestic Plumbing Installations (AREA)
Abstract
The invention discloses a double-sealing clamping-ring-bearing water pipe quick swing joint. The swing joint is mainly characterized in that a left and right grooves on the right end of a first inner bore of the left joint, which are sheathed and clamped on the external diameter of an old water pipe connecting end of a tap water pipeline, are respectively provided with a left seal ring and a right seal ring for secondary sealing; a silica gel seal ring for primary sealing is arranged between an annular right end surface of the old water pipe connecting end and an annular left end surface of a new water pipe connecting end; the silica gel seal ring is arranged between the left seal ring and right seal ring; the left end of the first inner bore of the left joint is provided with 2-5 left clamping rings which protrude out of the wall of the first inner bore; and the right end of a second inner bore of the right joint is provided with 2-5 right clamping rings which protrude out of the wall of the second inner bore. When the double sealing is utilized to repair the tap water pipeline, the broken part of the old water pipe of the tap water pipeline can be cut off, and a new water pipe, both ends of which does not need tooth opening, is connected with the swing joint. The swing joint is simple and quick, has higher sealability, and can prevent leakage and reduce waste.
Description
Technical field
The present invention relates to tap water pipe line aftermarket attachment technical field, particularly the water pipe rapid movable connector of a kind of secondary seal, band collar.
Background technique
, due to a variety of causes, often there is water pipe partial fracture in tap water pipe lines all in the world, causes a large amount of valuable water resource utility model, cause great waste.During maintenance tap water pipe line, always whole of the old water pipe of partial fracture is dismantled, change the new water pipe that tooth has been attacked at two ends, again tap water pipe line is connected with pipe joint.This method for maintaining not only causes great waste, and new water pipe two ends connecting end needs tapping, trouble, effort, time-consuming.
Summary of the invention
The object of the invention is to the deficiency improving prior art, when a kind of maintenance tap water pipe line is provided, as long as the old pipe burst part of tap water pipe line is amputated, change the water pipe rapid movable connector of secondary seal that the preceding paragraph two ends do not need the new water pipe of tapping just tap water pipe line quick-sealing can be connected, band collar, simple and quick, firmly connect tap water pipe line, Leakage prevention more hermetically, cut the waste.
Technological scheme of the present invention is: the water pipe rapid movable connector of the secondary seal be made up of left joint, left seal ring, attaching nut, right seal ring, right connector, right rate taper nut, silica gel sealing ring and left rate taper nut, band collar, is inserted in and is respectively equipped with the left seal ring of second time sealing and right seal ring in the left and right groove being clamped on the first endoporus right-hand member of the left joint on the old water pipe connecting end external diameter of tap water pipe line.
Be provided with the silica gel sealing ring sealed for the first time between the annular right side of described old water pipe connecting end and the annular left side of new water pipe connecting end, silica gel sealing ring is located between left seal ring and right seal ring.
The left end of the first endoporus of described left joint is provided with the left collar of 2 ~ 5 circle protrusion first endoporus hole walls, is inserted in and the right-hand member being clamped on the second endoporus of the right connector on the new water pipe connecting end external diameter newly changed is provided with the right collar of 2 ~ 5 circle protrusion second endoporus hole walls.
The left end of described left joint is provided with the first tapering outside thread coordinated with left rate taper nut, the first externally threaded radial border of tapering is provided with 3 ~ 5 the first uniform long openings, the right-hand member of left joint is provided with annulus convex shoulder, the external diameter of the right-hand member of left joint coordinates with the center hole on attaching nut's left part wall thickness is dynamic, and the tapped hole of attaching nut's right part is connected with the outside thread of the connecting head of right connector left end and is locked together.
The right-hand member of described right connector is provided with the second tapering outside thread coordinated with right rate taper nut, and the second externally threaded radial border of tapering is provided with 3 ~ 5 the second uniform long openings.
Described old water pipe connecting end and new water pipe connecting end do not need tapping when installing.
Left joint is connected when being locked together by described attaching nut with right connector, old water pipe connecting end and new water pipe connecting end first time are sealed connected together by silica gel sealing ring.
The left collar of described left joint is identical with the aperture of the right collar of right connector, is greater than the external diameter 0.5 ~ 3.0mm of old water pipe connecting end and new water pipe connecting end respectively.
The external diameter of the annulus convex shoulder of described left joint right-hand member is greater than the aperture of the center hole on attaching nut's left part wall thickness, is less than the aperture of the tapped hole of attaching nut's right part.
Described left seal ring and the endoporus aperture of right seal ring are less than the external diameter of old water pipe connecting end and new water pipe connecting end respectively.
The present invention compared with prior art has following distinguishing feature and good effect: the present invention is respectively equipped with the left seal ring of second time sealing and right seal ring in the left and right groove of the first endoporus right-hand member of left joint; Be provided with the silica gel sealing ring sealed for the first time between the annular right side of old water pipe connecting end and the annular left side of new water pipe connecting end, silica gel sealing ring is located between left seal ring and right seal ring.During maintenance tap water pipe line, the present invention carries out secondary seal, can ensure that the tap water pipe line keeped in repair can not leak, and further Leakage prevention, cuts the waste.
The present invention is provided with the left collar of 2 ~ 5 circle protrusion first endoporus hole walls at the left end of the first endoporus of left joint, is provided with the right collar of 2 ~ 5 circle protrusion second endoporus hole walls at the right-hand member of the second endoporus of right connector.When locking left rate taper nut, the left collar of 2 ~ 5 circle is pressed on the external diameter of old water pipe connecting end, more effectively makes the left end of left joint be clamped on the external diameter of old water pipe connecting end of tap water pipe line, left joint can not be slided on the external diameter of old water pipe connecting end; When locking right rate taper nut, the right collar of 2 ~ 5 circle is pressed on the external diameter of new water pipe connecting end, more effectively makes the right-hand member of right connector be clamped on the external diameter of new water pipe connecting end, right connector can not be slided on the external diameter of new water pipe connecting end.During maintenance tap water pipe line, the present invention more firmly can connect tap water pipe line.
The present invention is provided with the first tapering outside thread coordinated with left rate taper nut at the left end of left joint, the first externally threaded radial border of tapering is provided with 3 ~ 5 the first uniform long openings; Be provided with the second tapering outside thread coordinated with right rate taper nut at the right-hand member of right connector, the second externally threaded radial border of tapering is provided with 3 ~ 5 the second uniform long openings.When locking left rate taper nut, the left collar of 2 ~ 5 of the left end of left joint circle can be made to be pressed on the external diameter of old water pipe connecting end more tightly, more effectively make the left end of left joint be clamped on the external diameter of old water pipe connecting end of tap water pipe line, left joint can not be slided on the external diameter of old water pipe connecting end; When locking right rate taper nut, the right collar of 2 ~ 5 of the right-hand member of right connector circle can be made to be pressed on the external diameter of new water pipe connecting end more tightly, more effectively make the right-hand member of right connector be clamped on the external diameter of new water pipe connecting end, right connector can not be slided on the external diameter of new water pipe connecting end.The present invention can connect tap water pipe line further more securely.
The present invention is provided with annulus convex shoulder at the right-hand member of left joint, the external diameter of the right-hand member of left joint coordinates with the center hole on attaching nut's left part wall thickness is dynamic, the tapped hole of attaching nut's right part is connected with the outside thread of the connecting head of right connector left end and is locked together, left joint is connected when being locked together by attaching nut with right connector, old water pipe connecting end and new water pipe connecting end first time are sealed connected together by silica gel sealing ring.During locking attaching nut, the present invention can make the annular right side of old water pipe connecting end and the annular left side of new water pipe connecting end together with the end face press seal at the left and right two ends of silica gel sealing ring, ensure that the tap water pipe line that keep in repair seals for the first time can not leak, further Leakage prevention, to cut the waste.
The present invention is when keeping in repair tap water pipe line, as long as the old pipe burst part of tap water pipe line amputated, changing the preceding paragraph two ends does not need the new water pipe of tapping just tap water pipe line can be connected fast, simple and quick, cut the waste.
Accompanying drawing explanation
Concrete structure of the present invention is provided by following embodiment and accompanying drawing thereof.
Fig. 1 be propose according to the present invention a kind of secondary seal, band collar the concrete structure schematic diagram (A-A sectional view) of water pipe rapid movable connector.
Fig. 2 be propose according to the present invention a kind of secondary seal, band collar the concrete structure K direction view of water pipe rapid movable connector.
In figure: (1) is old water pipe connecting end, (2) be left collar, (3) be left joint, (4) be left seal ring, (5) be the first endoporus, (6) be attaching nut, (7) be annulus convex shoulder, (8) be right seal ring, (9) be right connector, (10) be the second endoporus, (11) be right rate taper nut, (12) be right collar, (13) be new water pipe connecting end, (14) be right-hand member, (15) be the second tapering outside thread, (16) be the second long opening, (17) be connecting head, (18) be outside thread, (19) be tapped hole, (20) hole centered by, (21) be silica gel sealing ring, (22) be the first long opening, (23) be the first tapering outside thread, (24) be left rate taper nut, (25) be left end.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated.
Embodiment: as shown in the figure, the water pipe rapid movable connector of the secondary seal be made up of left joint (3), left seal ring (4), attaching nut (6), right seal ring (8), right connector (9), right rate taper nut (11), silica gel sealing ring (21) and left rate taper nut (24), band collar, is inserted in and is respectively equipped with left seal ring (4) and the right seal ring (8) of second time sealing in the left and right groove being clamped on the first endoporus (5) right-hand member of the left joint (3) on old water pipe connecting end (1) external diameter of tap water pipe line.
Be provided with the silica gel sealing ring (21) sealed for the first time between the annular right side of old water pipe connecting end (1) and the annular left side of new water pipe connecting end (13), silica gel sealing ring (21) is located between left seal ring (4) and right seal ring (8).
The left end of first endoporus (5) of left joint (3) is provided with the left collar (2) that 3 circles protrude the first endoporus (5) hole wall, is inserted in and the right-hand member being clamped on second endoporus (10) of the right connector (9) on new water pipe connecting end (13) external diameter newly changed is provided with the right collar (12) that 3 circles protrude the second endoporus (10) hole wall.
The left end (25) of left joint (3) is provided with the first tapering outside thread (23) coordinated with left rate taper nut (24), the radial border of the first tapering outside thread (23) is provided with 4 the first uniform long openings (22), the right-hand member of left joint (3) is provided with annulus convex shoulder (7), the external diameter of the right-hand member of left joint (3) and the center hole (20) on attaching nut (6) left part wall thickness are dynamic to be coordinated, and the tapped hole (19) of attaching nut (6) right part is connected with the outside thread (18) of the connecting head (17) of right connector (9) left end and is locked together.
The right-hand member (14) of right connector (9) is provided with the second tapering outside thread (15) coordinated with right rate taper nut (11), and the radial border of the second tapering outside thread (15) is provided with 4 the second uniform long openings (16).
Old water pipe connecting end (1) and new water pipe connecting end (13) do not need tapping when installing.
Left joint (3) is connected when being locked together by attaching nut (6) with right connector (9), old water pipe connecting end (1) and new water pipe connecting end (13) first time are sealed connected together by silica gel sealing ring (21).
The left collar (2) of left joint (3) is identical with the aperture of the right collar (12) of right connector (9), is greater than the external diameter 0.6mm of old water pipe connecting end (1) and new water pipe connecting end (13) respectively.
The external diameter of the annulus convex shoulder (7) of left joint (3) right-hand member is greater than the aperture of the center hole (20) on attaching nut (6) left part wall thickness, is less than the aperture of the tapped hole (19) of attaching nut (6) right part.
The endoporus aperture of left seal ring (4) and right seal ring (8) is less than the external diameter of old water pipe connecting end (1) and new water pipe connecting end (13) respectively.
Below in conjunction with accompanying drawing, working procedure of the present invention is specifically described.
Working procedure of the present invention (one): during maintenance tap water pipe line, the old pipe burst part of tap water pipe line is amputated, outward winding attaching nut, the left seal ring of second time sealing is first loaded onto in the left groove of the first endoporus right-hand member of left joint, first endoporus of left joint and the endoporus of left seal ring are nested on the old water pipe connecting end external diameter of tap water pipe line, the annular right side of old water pipe connecting end is made to be in a left side for the first endoporus of left joint, in the middle of right groove, make the first endoporus right-hand member of old water pipe connecting end external diameter and left joint carry out second time to seal, prevent from carrying out between the annular left side of the annular right side of the old water pipe connecting end of tap water pipe line and new water pipe connecting end silica gel sealing ring that first time seals aging or damaged time the water that leaks out flow out from the gap between the external diameter and the first endoporus of left joint of the old water pipe connecting end of tap water pipe line, lock the left nut of left joint left end, the left collar of 3 circle is pressed on the external diameter of old water pipe connecting end, the left end of left joint is more effectively made to be clamped on the external diameter of old water pipe connecting end of tap water pipe line, left joint can not be slided on the external diameter of old water pipe connecting end.
Working procedure of the present invention (two): silica gel sealing ring is put on the annular right side of old water pipe connecting end of the tap water pipe line of the first endoporus of left joint, right seal ring is contained in the right groove of the first endoporus right-hand member of left joint, the right-hand member of the first endoporus of left joint and the endoporus of right seal ring is inserted again after one end connecting end of one section of new water pipe is inserted the second endoporus of right connector, straight cutting is to the right side with silica gel sealing ring forces together completely, by the tapped hole screwing into attaching nut's right part of the connecting head of right connector left end, the right nut of the right-hand member of locking right connector, the right collar of 3 circle is pressed on the external diameter of new water pipe connecting end, the right-hand member of right connector is more effectively made to be clamped on the external diameter of new water pipe connecting end, right connector can not be slided on the external diameter of new water pipe connecting end.
Working procedure of the present invention (three): locking attaching nut, left joint is connected with right connector and is locked together, silica gel sealing ring press seal is linked together by the annular right side of the old water pipe connecting end of tap water pipe line and the annular left side of new water pipe connecting end, old water pipe connecting end and new water pipe connecting end are fastened together.
Working procedure of the present invention (four): the other end connecting end of one section of new water pipe can be connected with the other end connecting end of old water pipe by identical method, or directly welds together with the other end connecting end of electric welding and old water pipe.
Claims (1)
1. the water pipe rapid movable connector of secondary seal, band collar, be made up of left joint (3), left seal ring (4), attaching nut (6), right seal ring (8), right connector (9), right rate taper nut (11), silica gel sealing ring (21) and left rate taper nut (24), it is characterized in that: be inserted in and in the left and right groove being clamped on the first endoporus (5) right-hand member of the left joint (3) on old water pipe connecting end (1) external diameter of tap water pipe line, be respectively equipped with left seal ring (4) and the right seal ring (8) of second time sealing;
Be provided with the silica gel sealing ring (21) sealed for the first time between the annular right side of described old water pipe connecting end (1) and the annular left side of new water pipe connecting end (13), silica gel sealing ring (21) is located between left seal ring (4) and right seal ring (8);
The left end of first endoporus (5) of described left joint (3) is provided with the left collar (2) of 2 ~ 5 circle protrusion first endoporus (5) hole walls, is inserted in and the right-hand member being clamped on second endoporus (10) of the right connector (9) on new water pipe connecting end (13) external diameter newly changed is provided with the right collar (12) of 2 ~ 5 circle protrusion second endoporus (10) hole walls;
The left end (25) of described left joint (3) is provided with the first tapering outside thread (23) coordinated with left rate taper nut (24), the radial border of the first tapering outside thread (23) is provided with 3 ~ 5 the first uniform long openings (22), the right-hand member of left joint (3) is provided with annulus convex shoulder (7), the external diameter of the right-hand member of left joint (3) and the center hole (20) on attaching nut (6) left part wall thickness are dynamic to be coordinated, and the tapped hole (19) of attaching nut (6) right part is connected with the outside thread (18) of the connecting head (17) of right connector (9) left end and is locked together;
The right-hand member (14) of described right connector (9) is provided with the second tapering outside thread (15) coordinated with right rate taper nut (11), and the radial border of the second tapering outside thread (15) is provided with 3 ~ 5 the second uniform long openings (16);
Described old water pipe connecting end (1) and new water pipe connecting end (13) do not need tapping when installing;
Left joint (3) is connected when being locked together by described attaching nut (6) with right connector (9), old water pipe connecting end (1) and new water pipe connecting end (13) first time are sealed connected together by silica gel sealing ring (21);
The left collar (2) of described left joint (3) is identical with the aperture of the right collar (12) of right connector (9), is greater than the external diameter 0.5 ~ 3.0mm of old water pipe connecting end (1) and new water pipe connecting end (13) respectively;
The external diameter of the annulus convex shoulder (7) of described left joint (3) right-hand member is greater than the aperture of the center hole (20) on attaching nut (6) left part wall thickness, is less than the aperture of the tapped hole (19) of attaching nut (6) right part;
Described left seal ring (4) and the endoporus aperture of right seal ring (8) are less than the external diameter of old water pipe connecting end (1) and new water pipe connecting end (13) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510636731.XA CN105135099B (en) | 2015-10-01 | 2015-10-01 | Secondary seal, the water pipe rapid movable connector with retainer ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510636731.XA CN105135099B (en) | 2015-10-01 | 2015-10-01 | Secondary seal, the water pipe rapid movable connector with retainer ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105135099A true CN105135099A (en) | 2015-12-09 |
| CN105135099B CN105135099B (en) | 2018-10-09 |
Family
ID=54720566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510636731.XA Active CN105135099B (en) | 2015-10-01 | 2015-10-01 | Secondary seal, the water pipe rapid movable connector with retainer ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105135099B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917292A (en) * | 2016-08-29 | 2018-04-17 | 曹如锋 | A kind of pipe connector lug and pipe connector lug application method |
| CN108612930A (en) * | 2018-06-29 | 2018-10-02 | 鞍钢建设集团有限公司 | A kind of Screw assembly formula assembling pipe joint |
| WO2022016880A1 (en) * | 2020-07-21 | 2022-01-27 | 浙江达柏林阀门有限公司 | Split detachable connector |
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|---|---|---|---|---|
| BE341664A (en) * | ||||
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| FR2442392A1 (en) * | 1978-11-24 | 1980-06-20 | Belles Ondes Forges | Demountable sealed pipe joint - uses coupling sleeve of which split conical ends with barrel thread accept nuts with matching bore |
| CN87210685U (en) * | 1987-10-31 | 1988-07-20 | 蔡忠培 | Quick jointer for pipe or tube |
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|---|---|---|---|---|
| CN107917292A (en) * | 2016-08-29 | 2018-04-17 | 曹如锋 | A kind of pipe connector lug and pipe connector lug application method |
| CN108612930A (en) * | 2018-06-29 | 2018-10-02 | 鞍钢建设集团有限公司 | A kind of Screw assembly formula assembling pipe joint |
| WO2022016880A1 (en) * | 2020-07-21 | 2022-01-27 | 浙江达柏林阀门有限公司 | Split detachable connector |
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| Publication number | Publication date |
|---|---|
| CN105135099B (en) | 2018-10-09 |
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