CN111140710A - Bimetal composite steel pipe with smooth cut-off - Google Patents
Bimetal composite steel pipe with smooth cut-off Download PDFInfo
- Publication number
- CN111140710A CN111140710A CN201811305045.4A CN201811305045A CN111140710A CN 111140710 A CN111140710 A CN 111140710A CN 201811305045 A CN201811305045 A CN 201811305045A CN 111140710 A CN111140710 A CN 111140710A
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- China
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- steel pipe
- pipe body
- connecting groove
- wall
- groove
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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
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/04—Screw-threaded joints; Forms of screw-threads for such joints with additional sealings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention discloses a bimetal composite steel pipe with a smooth cut-off, which comprises a steel pipe body, wherein an inner connecting groove is formed in the inner wall of one end of the steel pipe body, inner threads are formed in the inner wall of the inner connecting groove, an outer connecting groove is formed in the outer wall of the other end of the steel pipe body, outer threads are formed in the outer wall of the outer connecting groove and meshed with the inner threads, sealing rings are arranged between the end face of the steel pipe body and the end faces of the outer connecting groove and between the inner connecting grooves, a clamping block is installed on the outer wall of one end of each sealing ring, a clamping groove is formed in the end face of the steel pipe body, the clamping block is clamped in the clamping groove, a first connector is welded. The steel pipe body is connected through external screw thread and internal thread, and the sealing washer is with steel pipe body terminal surface and outer spread groove terminal surface and interior spread groove end face seal, avoids the water infiltration threaded connection position in the steel pipe body, cup joints the adapter sleeve on first connector and the second connector, makes steel pipe body connect and closely avoids external screw thread and female connection not hard up.
Description
Technical Field
The invention relates to the technical field of composite steel pipes, in particular to a bimetal composite steel pipe with a flat cut-off.
Background
The bimetal composite steel pipe is a novel composite water supply pipe material which is formed by strongly embedding a galvanized steel pipe or a welded pipe, a seamless steel pipe and a stainless steel pipe with thinner wall thickness, and is also a more ideal pipeline upgrading and updating product, can adopt welding, groove and thread connection, has good sealing performance, can adopt thread connection when the cut-off opening of the bimetal composite steel pipe is smooth, only the raw rubber belt is wound on the thread part after the existing thread connection of the bimetal composite steel pipe with smooth cut-off opening, thereby achieving the purposes of fastening and avoiding water seepage, however, the steel pipe is directly locked after the thread part is wound by the raw rubber belt, and is difficult to be disassembled when the steel pipe needs to be replaced, and water will seep on the thread after winding the raw adhesive tape, which causes thread corrosion, the steel pipe is more difficult to disassemble, and therefore a bimetal composite steel pipe with a flat cut-off opening is provided for solving the problems.
Disclosure of Invention
The invention aims to provide a bimetal composite steel pipe with a flat cut opening, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a cut off smooth bimetal composite steel pipe of mouth, includes the steel body, the one end inner wall of steel body is opened there is the inside connection groove, inside connection inslot wall is equipped with the internal thread, the other end outer wall of steel body is opened there is the outside spread groove, outside spread groove outer wall is equipped with the external screw thread, the internal thread of another steel body of steel body one end external screw thread meshing, one all be equipped with the sealing washer between terminal surface between steel body terminal surface and outside spread groove terminal surface and another steel body terminal surface and inside connection groove, sealing washer one end outer wall fixed mounting fixture block, steel body terminal surface is opened there is the draw-in groove, the fixture block joint is in the draw-in groove, the first connector of steel body outer wall welding of inside connection groove one end, the steel body outer wall welding second connector of outside spread groove one end, cup joint the adapter sleeve on first connector and.
Preferably, the outer diameter of the outer connecting groove is equal to the inner diameter of the inner connecting groove, and the length of the outer connecting groove is equal to the length of the inner connecting groove.
Preferably, the two sealing rings have the same thickness, and the inner diameter of the sealing ring between the end face of the steel pipe body and the end face between the inner connecting grooves is equal to the inner diameter of the steel pipe body.
Preferably, the connecting sleeve comprises a first half ring and a second half ring, one end of the first half ring is hinged to one end of the second half ring, connecting grooves are formed in the inner walls of the first half ring and the second half ring and are sleeved on the first connecting head and the second connecting head, ratchets meshed with the outer walls of the first connecting head and the second connecting head are fixedly arranged on the inner walls of the connecting grooves, connecting holes are formed in the other ends of the first half ring and the second half ring, and bolts are sleeved in the connecting holes.
Preferably, the cross sections of the first connector and the second connector are both right trapezoid structures, the cross sections of the first semi-ring and the second semi-ring are both isosceles trapezoid structures, and the inclined edges of the first semi-ring and the second semi-ring are tightly attached to the inclined edges of the first connector and the second connector.
Compared with the prior art, the invention has the beneficial effects that: the steel pipe body with the smooth cut is connected through the external thread and the internal thread, the end face of the steel pipe body is provided with a sealing ring through a clamping block and a clamping groove, and after the steel pipe body is connected, the end face of the steel pipe body is sealed with the end face of the external connecting groove and the end face of the internal connecting groove by the sealing ring, so that water in the steel pipe body is prevented from permeating into a threaded connection part; the cross sections of the first connector and the second connector are both right-angled trapezoid structures, the cross sections of the first semi-ring and the second semi-ring are both isosceles trapezoid structures, and the inclined edges of the connecting grooves extrude the inclined edges of the first connector and the second connector, so that the steel pipe body receives the force of mutual approaching, the external thread and the internal thread are connected more tightly, and the sealing ring is compacted to achieve the sealing effect; the ratchet of spread groove inner wall and first connector and second connector outer wall meshes mutually for unable relative rotation between the steel pipe body avoids external screw thread and female connection not hard up, unloads the bolt and can pull down the adapter sleeve, conveniently dismantles the change steel pipe body.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional front view of the present invention;
FIG. 3 is an enlarged structural view of the structure at the position A of the present invention.
In the figure: the connecting structure comprises a steel pipe body 1, an outer connecting groove 2, an inner connecting groove 3, an outer thread 4, an inner thread 5, a first connecting joint 6, a second connecting joint 7, a connecting sleeve 8, a first half ring 81, a second half ring 82, a connecting groove 83, a ratchet 84, a bolt 85, a connecting hole 86, a sealing ring 9, a clamping block 10 and a clamping groove 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a bimetal composite steel pipe with a smooth cut-off opening comprises a steel pipe body 1, wherein an inner connecting groove 3 is formed in the inner wall of one end of the steel pipe body 1, inner threads 5 are arranged on the inner wall of the inner connecting groove 3, an outer connecting groove 2 is formed in the outer wall of the other end of the steel pipe body 1, outer threads 4 are arranged on the outer wall of the outer connecting groove 2, the outer threads 4 at one end of the steel pipe body 1 are meshed with the inner threads 5 of the other steel pipe body 1, sealing rings 9 are arranged between the end face of one steel pipe body 1 and the end face of the outer connecting groove 2 and between the end face of the other steel pipe body 1 and the end face of the inner connecting groove 5, a clamping block 10 is fixedly installed on the outer wall at one end of the sealing ring 9, a clamping groove 11 is formed in the end face of the steel pipe body 1, a first connecting head 6 is welded on the outer wall of the steel pipe, the steel pipe body 1 that the incision is level and smooth is connected through external screw thread 4 and internal thread 5 to the sealing washer is installed through fixture block 10 and draw-in groove 11 to 1 terminal surface of steel pipe body, after 1 connection of steel pipe body, the sealing washer is with 1 terminal surface of steel pipe body and the 3 end-to-end seal of outer spread groove 2 terminal surfaces and in-connection groove, avoid the water infiltration threaded connection position in the steel pipe body 1, cup joint adapter sleeve 8 on first connector 6 and the second connector 7, make 1 connection of steel pipe body closely avoid external screw thread 4 and internal thread 5 to be connected not hard up.
Referring to fig. 2, the outer diameter of the outer connecting groove 2 is equal to the inner diameter of the inner connecting groove 3, the length of the outer connecting groove 2 is equal to the length of the inner connecting groove 3, the thickness of the two sealing rings 9 is the same, and the inner diameter of the sealing ring 9 between the end surface of the steel pipe body 1 and the end surface of the inner connecting groove 3 is equal to the inner diameter of the steel pipe body 1, so that the end surface of the steel pipe body 1 compresses the sealing ring 9 to prevent.
Referring to fig. 1 and 2, the connecting sleeve 8 includes a first half ring 81 and a second half ring 82, one end of the first half ring 81 is hinged to one end of the second half ring 82, the inner walls of the first half ring 81 and the second half ring 82 are both provided with a connecting groove 83, the connecting groove 83 is sleeved on the first connecting head 6 and the second connecting head 7, the inner wall of the connecting groove 83 is fixedly installed with a ratchet 84 engaged with the outer walls of the first connecting head 6 and the second connecting head 7, the other ends of the first half ring 81 and the second half ring 82 are provided with a connecting hole 86, a bolt 85 is sleeved in the connecting hole 86, after the steel pipe body 1 is connected through the external thread 4 and the internal thread 5, the first connecting head 6 is close to the second connecting head 7, the first half ring 81 and the second half ring 82 are sleeved on the first connecting head 6 close to the second connecting head 7 through the connecting groove 83, the cross sections of the first connecting head 6 and the second connecting head 7 are both in a right, and the hypotenuse of first semi-ring 81 and second semi-ring 82 closely laminates first connector 6 and the hypotenuse of second connector 7, when locking first semi-ring 81 and the other end of second semi-ring 82 through bolt 85, spread groove 83 hypotenuse extrudees first connector 6 and the hypotenuse of second connector 7, make steel body 1 receive the power that is close to each other, it is inseparabler to make external screw thread 4 and internal thread 5 connect, and compaction sealing washer 9 reaches sealed effect, the ratchet 84 meshing mutually of spread groove 83 inner wall and first connector 6 and second connector 7 outer wall, make unable relative rotation between steel body 1, it is not hard up to avoid external screw thread 4 and internal thread 5 to connect, lift bolt 85 down and can dismantle adapter sleeve 8, conveniently dismantle and change steel body 1.
The working principle is as follows: when the invention is used, a steel pipe body 1 with smooth cut is connected through an external thread 4 and an internal thread 5, the end surface of the steel pipe body 1 is provided with a sealing ring through a clamping block 10 and a clamping groove 11, when the steel pipe body 1 is connected, the end surface of the steel pipe body 1 is sealed with the end surface of an external connecting groove 2 and the end surface of an internal connecting groove 3 by the sealing ring, so as to prevent water in the steel pipe body 1 from permeating into a threaded connection part, a first half ring 81 and a second half ring 82 are sleeved on a first connecting head 6 close to a second connecting head 7 through a connecting groove 83, the sections of the first connecting head 6 and the second connecting head 7 are both in a right-angled trapezoid structure, the sections of the first half ring 81 and the second half ring 82 are both in an isosceles trapezoid structure, the inclined edges of the first half ring 81 and the second half ring 82 are closely attached to the first connecting head 6 and the second connecting head 7, when the other ends of the first half, make steel body 1 receive the power that is close to each other, make external screw thread 4 and internal thread 5 connect inseparabler, and compaction sealing washer 9 reaches sealed effect, and spread groove 83 inner wall meshes with the ratchet 84 of first connector 6 and second connector 7 outer wall mutually for unable relative rotation between steel body 1 avoids external screw thread 4 and internal thread 5 not hard up, lift bolt 85 down and can pull down adapter sleeve 8, conveniently dismantle and change steel body 1.
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 a bimetal composite steel pipe that cut off is smooth, includes steel pipe body (1), its characterized in that: an inner connecting groove (3) is formed in the inner wall of one end of the steel pipe body (1), an inner thread (5) is arranged on the inner wall of the inner connecting groove (3), an outer connecting groove (2) is formed in the outer wall of the other end of the steel pipe body (1), an outer thread (4) is arranged on the outer wall of the outer connecting groove (2), a sealing ring (9) is arranged between the outer thread (4) at one end of the steel pipe body (1) and meshed with the inner thread (5) of another steel pipe body (1), a clamping groove (11) is formed in the end face of the steel pipe body (1) and the end face of the outer connecting groove (2) and between the end face of another steel pipe body (1) and the end face of the inner connecting groove (3), a first connecting joint (6) is welded on the outer wall of the steel pipe body (1) at one end of the inner connecting groove (3), the steel pipe body (1) outer wall welding second connector (7) of outer spread groove (2) one end, cup joint adapter sleeve (8) on first connector (6) and second connector (7).
2. The bimetal composite steel pipe with the flat cut-off opening as claimed in claim 1, wherein: the outer diameter of the outer connecting groove (2) is equal to the inner diameter of the inner connecting groove (3), and the length of the outer connecting groove (2) is equal to the length of the inner connecting groove (3).
3. The bimetal composite steel pipe with the flat cut-off opening as claimed in claim 1, wherein: the thickness of two sealing washer (9) is the same, and the sealing washer (9) internal diameter between steel pipe body (1) terminal surface and interior connecting groove (5) terminal surface equals steel pipe body (1) internal diameter.
4. The bimetal composite steel pipe with the flat cut-off opening as claimed in claim 1, wherein: the connecting sleeve (8) comprises a first half ring (81) and a second half ring (82), one end of the first half ring (81) is hinged to one end of the second half ring (82), a connecting groove (83) is formed in the inner walls of the first half ring (81) and the second half ring (82), the connecting groove (83) is sleeved on the first connecting head (6) and the second connecting head (7), a ratchet (84) meshed with the inner wall of the connecting groove (83) and the outer wall of the first connecting head (6) and the outer wall of the second connecting head (7) in a fixed mode, a connecting hole (86) is formed in the other end of the first half ring (81) and the other end of the second half ring (82), and a connecting bolt (85) is sleeved in the connecting hole (86).
5. The bimetal composite steel pipe with the flat cut-off opening as claimed in claim 4, wherein: the cross sections of the first connecting head (6) and the second connecting head (7) are right-angled trapezoid structures, the cross sections of the first half ring (81) and the second half ring (82) are isosceles trapezoid structures, and the inclined sides of the first half ring (81) and the second half ring (82) are tightly attached to the inclined sides of the first connecting head (6) and the second connecting head (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811305045.4A CN111140710A (en) | 2018-11-05 | 2018-11-05 | Bimetal composite steel pipe with smooth cut-off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811305045.4A CN111140710A (en) | 2018-11-05 | 2018-11-05 | Bimetal composite steel pipe with smooth cut-off |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111140710A true CN111140710A (en) | 2020-05-12 |
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ID=70515573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811305045.4A Pending CN111140710A (en) | 2018-11-05 | 2018-11-05 | Bimetal composite steel pipe with smooth cut-off |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111140710A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113787228A (en) * | 2021-09-07 | 2021-12-14 | 浙江新创泰业不锈钢有限公司 | Acid-resistant high-strength stainless steel seamless steel tube for marine environment and preparation equipment thereof |
-
2018
- 2018-11-05 CN CN201811305045.4A patent/CN111140710A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113787228A (en) * | 2021-09-07 | 2021-12-14 | 浙江新创泰业不锈钢有限公司 | Acid-resistant high-strength stainless steel seamless steel tube for marine environment and preparation equipment thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200512 |