CN117212572A - A stainless steel pipe that can be quickly connected and disassembled and a manufacturing method thereof - Google Patents
A stainless steel pipe that can be quickly connected and disassembled and a manufacturing method thereof Download PDFInfo
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- CN117212572A CN117212572A CN202311133126.1A CN202311133126A CN117212572A CN 117212572 A CN117212572 A CN 117212572A CN 202311133126 A CN202311133126 A CN 202311133126A CN 117212572 A CN117212572 A CN 117212572A
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Abstract
The application discloses a stainless steel pipe capable of being quickly connected and disassembled and a manufacturing method thereof, the stainless steel pipe comprises a connecting pipe A and a connecting pipe B, the structures of the connecting pipe A and the connecting pipe B are consistent, two ends of the connecting pipe A and the connecting pipe B are respectively a combining end and an inserting end, the combining end is an expanding structure, an inner concave quick-rotation external thread is arranged outside the expanding structure, an outer convex internal thread is formed inside the expanding structure by the inner concave quick-rotation external thread, an inner concave quick-rotation connecting thread is arranged at the inserting end, and the inner concave quick-rotation connecting thread on the inserting end of the connecting pipe A is connected on the outer convex internal thread inside the combining end of the connecting pipe B so as to realize the connection of the connecting pipe A and the connecting pipe B. Compared with the prior art, the application has the advantages that: the application has obvious superiority in structural design, operation convenience, repeated installation, bending resistance, earthquake resistance and other aspects, and is suitable for various temporary pipeline connection application scenes.
Description
Technical Field
The application relates to the technical field of stainless steel tube processing, in particular to a stainless steel tube capable of being quickly connected and detached and a manufacturing method thereof.
Background
The thin-wall stainless steel pipe is a material which is popular in the market at present, and is widely used for industrial conveying pipelines, such as medical treatment, food, light industry, mechanical instruments and the like, mechanical structural parts and the like. At present, the traditional connection mode of the thin-wall stainless steel pipe fitting is developed from single clamping and pressing type to various connection modes, such as: double-clamping type, clamping convex type, welding type, flange type and other various connection modes. The connection mode of the stainless steel pipes requires on-site pipe cutting and is complicated in use of instruments. In addition, most of the connection modes require professional installers to install. Meanwhile, the connection effect of the stainless steel tube is directly affected by the quality and the correctness of the installation process. Under the limitation of various conditions, the traditional thin-wall stainless steel pipe has the defects of long installation time, high cost, high connection difficulty, poor tightness at the joint and the like. Therefore, a new technical solution is needed to solve the above technical problems.
Disclosure of Invention
The application aims to overcome the technical defects and provide a stainless steel pipe capable of being quickly connected and detached and a manufacturing method thereof.
In order to solve the technical problems, the technical scheme provided by the application is as follows: the utility model provides a but nonrust steel pipe of quick connect and dismantlement, includes connecting pipe A and connecting pipe B, connecting pipe A and connecting pipe B's structure is unanimous, connecting pipe A and connecting pipe B's both ends are the joint end respectively and insert the end, the joint end is the pipe expanding structure, the outside of pipe expanding structure is equipped with indent fast-rotating external screw thread and forms the evagination internal screw thread in the inside of pipe expanding structure, insert the end and be equipped with indent fast-rotating connecting screw thread, thereby connecting pipe A and connecting pipe B's connection is realized to indent fast-rotating connecting screw thread threaded connection on connecting pipe A inserts the inside evagination internal screw thread of end.
Further, the end part of the pipe expanding structure expands outwards, a sealing groove is formed in the pipe expanding structure, and a sealing ring is arranged in the sealing groove.
The manufacturing method of the stainless steel pipe capable of being quickly connected and detached specifically comprises the following steps:
s1, rolling threads for one time: respectively processing stainless steel pipe blank materials of the connecting pipe A and the connecting pipe B by adopting a thread rolling forming machine, so that the insertion ends of the connecting pipe A and the connecting pipe B form concave quick-rotation connecting threads;
s2, processing a pipe expanding structure: placing the stainless steel tube blank material in the step S into an expansion head of an expander for expansion, wherein the expansion head can expand the inner diameters of the joint ends of the connecting tube A and the connecting tube B respectively;
s3, secondary rolling of threads: putting the flared connecting pipe A and the connecting pipe B in the step S into a thread rolling forming machine for thread rolling, so that an inner concave quick-rotation external thread and an outer convex internal thread are respectively formed on the outer surface and the inner surface of the joint end;
s4, rolling a sealing groove: and (3) rolling the connecting pipe A and the connecting pipe B processed in the step (S) by adopting a seal groove rolling forming machine, so that the end part of the pipe expanding structure is outwards expanded, a seal groove is formed in the pipe expanding structure, and a seal ring is pressed in the seal groove, so that the processing of the connecting pipe A and the connecting pipe B can be completed.
Further, the thread rolling forming machine comprises a first machine base, a first hydraulic cylinder is arranged on the first machine base, a piston rod of the first hydraulic cylinder is provided with a first lifting seat, a first upper driving motor is arranged on the first lifting seat, an output shaft of the first upper driving motor is provided with a first large pressing wheel, a first lower driving motor positioned below the first lifting seat is arranged on the first machine base, an output shaft of the first lower driving motor is provided with a first small pressing wheel, the outer circles of the first large pressing wheel and the first small pressing wheel are provided with thread grooves with the same thread pitch, stainless steel pipe blank materials of the connecting pipe A and the connecting pipe B are inserted into the first small pressing wheel, the first hydraulic cylinder is started to drive the first lifting seat to descend, the first large pressing wheel applies certain pressure downwards, and threads are formed on the thin-wall pipe under continuous rolling and extrusion of the first large pressing wheel and the first small pressing wheel.
Further, the seal groove roll forming machine comprises a second machine base, a second hydraulic cylinder is arranged on the second machine base, a piston rod of the second hydraulic cylinder is provided with a second lifting seat, a second upper driving motor is arranged on the second lifting seat, an output shaft of the second upper driving motor is provided with a second large pressing wheel, a second lower driving motor positioned below the second lifting seat is arranged on the second machine base, an output shaft of the second lower driving motor is provided with a second small pressing wheel, an annular pressing groove is formed in the outer circle of the second large pressing wheel, an annular protrusion corresponding to the annular pressing groove is formed in the outer circle of the second small pressing wheel, the pipe expanding structure of the connecting pipe A and the connecting pipe B is inserted into the second small pressing wheel, the second hydraulic cylinder is started to drive the second lifting seat to descend, a certain pressure is applied downwards by the second large pressing wheel, and a seal groove is formed in the thin-wall pipe under continuous rolling and extrusion of the second large pressing wheel and the second small pressing wheel.
Compared with the prior art, the application has the advantages that:
1. the structure is simple: the application is made of the thin-wall stainless steel tube, only one sealing ring is needed as an external fitting, so that the structure is simple and the manufacturing is easy.
2. The operation is simple and convenient: the pipe fitting is very simple to connect and disconnect, and is operated by hand without external tools or specialized techniques.
3. The method comprises the following steps of: the connecting pipe has the characteristic of being repeatedly installed after being disassembled, is suitable for a temporary pipeline connecting structure which needs to be frequently disassembled, and improves the flexibility and convenience of use.
4. Flexural resistance: the pipe joint after connection has certain bending resistance, and under the action of external force, even if bending deformation occurs, the sealing ring can still effectively keep the sealing performance.
5. High shock resistance: even under the frequent vibration environment, the connection mode can be reliably connected, so that the sealing structure is not damaged, and the reliability and stability of the system are enhanced.
6. Telescoping adjustment capability: the connecting form has certain flexible adjustment ability, when the length of pipe fitting needs to be adjusted, only need carry out simple length adjustment through twisting the connecting portion, as long as the sealing washer is good with the contact of insert tube outer wall, still can keep reliable sealing performance.
7. High pressure working performance: the sealing ring is specially designed, can bear working pressure not less than 2MPa, meets the requirements of water pressure and air pressure under normal conditions, and ensures the safe operation of the system.
In conclusion, the application has obvious superiority in structural design, operation convenience, repeatable installation, bending resistance, earthquake resistance, expansion and contraction adjustment capability, working pressure capability and the like, and is suitable for various temporary pipeline connection application scenes.
Drawings
Fig. 1 is a schematic view showing an assembled structure of a stainless steel pipe which can be rapidly connected and disconnected according to the present application.
Fig. 2 is an internal schematic view of an assembled part of a stainless steel pipe of the present application which can be quickly connected and disconnected.
FIG. 3 is a schematic view of a method of manufacturing a stainless steel pipe capable of being quickly attached and detached according to the present application, before rolling the threads.
Fig. 4 is a schematic view of a method for manufacturing a stainless steel pipe capable of being quickly connected and disconnected according to the present application in thread rolling.
Fig. 5 is a schematic view of a method for manufacturing a stainless steel pipe capable of being quickly connected and disconnected according to the present application after thread rolling.
Fig. 6 is a schematic view of a stainless steel tube with a quick-connect and disconnect seal groove prior to rolling in accordance with the present application.
FIG. 7 is a schematic illustration of a seal groove rolling process in a method of manufacturing a rapidly attachable and detachable stainless steel tube according to the present application.
Fig. 8 is a schematic view of a stainless steel pipe with a seal groove rolled in a method for manufacturing the stainless steel pipe with quick connection and disconnection according to the present application.
As shown in the figure: 1. connecting pipe A,2, connecting pipe B,3, the combination end, 4, insert the end, 5, indent fast-screwing external screw thread, 6, evagination internal screw thread, 7, indent fast-screwing connecting screw thread, 8, seal groove, 9, sealing washer, 10, first frame, 11, first pneumatic cylinder, 12, first lifting seat, 13, first big pinch roller, 14, first little pinch roller, 15, second frame, 16, second pneumatic cylinder, 17, second lifting seat, 18, second big pinch roller, 19, second little pinch roller, 20, annular indent, 21, annular bulge.
Detailed Description
The present application will be described in further detail with reference to the accompanying drawings.
Specific embodiments of the present application will be further described below with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals.
It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
In order to make the contents of the present application more clearly understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application.
The utility model provides a but combine 1-8 of attached hereto, but nonrust steel pipe of quick connect and dismantlement, including connecting pipe A1 and connecting pipe B2, connecting pipe A1 and connecting pipe B2's structure is unanimous, connecting pipe A1 and connecting pipe B2's both ends are respectively for combining end 3 and inserting end 4, combining end 3 is the pipe expanding structure, the outside of pipe expanding structure is equipped with indent fast-rotating external screw thread 5 and indent fast-rotating external screw thread 5 forms evagination internal screw thread 6 in the pipe expanding structure inside, inserting end 4 is equipped with indent fast-rotating connecting screw thread 7, thereby connecting pipe A1 and connecting pipe B2's connection is realized on the evagination internal screw thread 6 of connecting pipe B2 combining end inside to indent fast-rotating connecting screw thread 7 on connecting pipe A1's the insertion end, but nonrust steel pipe of this kind quick connect and dismantlement has adopted the preparation of thin wall nonrust steel pipe, make it have lightweight and simple structure's characteristics. The tube comprises a connecting tube A1 and a connecting tube B2 which are identical in structure and each have a coupling end 3 and an insertion end 4. The joint end 3 adopts a pipe expanding structure, the outside is provided with a concave rapid-rotation external thread 5, and the inside is provided with a convex internal thread 6. The insertion end 4 is provided with a concave quick-rotation connecting thread 7 for being connected with a convex internal thread 6 inside the joint end of the connecting pipe B2, thereby realizing the quick connection of the connecting pipe A1 and the connecting pipe B2.
In this embodiment, the end of the pipe expanding structure expands outwards, a sealing groove 8 is formed inside the pipe expanding structure, and a sealing ring 9 is arranged in the sealing groove 8, so that the pipe joint has a certain bending resistance, after connection, under the action of external force, the joint is bent and deformed, and the sealing can still be maintained under the action of the sealing ring 9.
The manufacturing method of the stainless steel pipe capable of being quickly connected and detached specifically comprises the following steps:
s1, rolling threads for one time: respectively processing stainless steel tube blank materials of the connecting tube A1 and the connecting tube B2 by adopting a thread rolling forming machine, so that the insertion ends 4 of the connecting tube A1 and the connecting tube B2 form concave quick-rotation connecting threads 7;
s2, processing a pipe expanding structure: placing the stainless steel tube blank material in the step S1 into an expansion head of an expander for expansion, wherein the expansion head can expand the inner diameters of the joint ends 3 of the connecting tubes A1 and B2 respectively;
s3, secondary rolling of threads: putting the flared connecting pipe A1 and the connecting pipe B2 in the step S2 into a thread rolling former for thread rolling, so that an inner concave quick-rotation external thread 5 and an outer convex internal thread 6 are respectively formed on the outer surface and the inner surface of the joint end 3;
s4, rolling a sealing groove: and (3) rolling the connecting pipe A1 and the connecting pipe B2 processed in the step (S3) by adopting a seal groove rolling forming machine, so that the end part of the pipe expanding structure is outwards expanded, a seal groove 8 is formed in the pipe expanding structure, and a seal ring 9 is pressed in the seal groove 8, so that the processing of the connecting pipe A1 and the connecting pipe B2 can be completed.
In this embodiment, the thread rolling forming machine includes a first machine base 10, a first hydraulic cylinder 11 is disposed on the first machine base 10, a piston rod of the first hydraulic cylinder 11 is provided with a first lifting seat 12, a first upper driving motor is disposed on the first lifting seat 12, an output shaft of the first upper driving motor is provided with a first large pressing wheel 13, a first lower driving motor disposed below the first lifting seat 12 is disposed on the first machine base 10, an output shaft of the first lower driving motor is provided with a first small pressing wheel 14, the outer circles of the first large pressing wheel 13 and the first small pressing wheel 14 have thread grooves with the same pitch, stainless steel pipe blank materials of the connecting pipe A1 and the connecting pipe B2 are inserted into the first small pressing wheel 14, the first hydraulic cylinder 11 is started to drive the first lifting seat 12 to descend, the first large pressing wheel 13 applies a certain pressure downwards, and threads are formed on the thin-wall pipe under continuous rolling and extrusion of the first large pressing wheel 13 and the first small pressing wheel 14.
In this embodiment, the seal groove rolling forming machine includes a second stand 15, a second hydraulic cylinder 16 is disposed on the second stand 15, a piston rod of the second hydraulic cylinder 16 is provided with a second lifting seat 17, a second upper driving motor is disposed on the second lifting seat 17, an output shaft of the second upper driving motor is provided with a second large pressing wheel 18, a second lower driving motor disposed below the second lifting seat 17 is disposed on the second stand 15, an output shaft of the second lower driving motor is provided with a second small pressing wheel 19, an annular pressing groove 20 is disposed on an outer circle of the second large pressing wheel 18, an annular protrusion 21 corresponding to the annular pressing groove 20 is disposed on an outer circle of the second small pressing wheel 19, the pipe expanding structures of the connecting pipe A1 and the connecting pipe B2 are inserted into the second small pressing wheel 19, the second hydraulic cylinder 16 is started to drive the second lifting seat 17 to descend, the second large pressing wheel 18 applies a certain pressure downwards, and the seal groove 8 is formed on the thin-wall pipe under continuous rolling and extrusion of the second large pressing wheel 18 and the second small pressing wheel 19.
The application and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the application as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present application.
Claims (5)
1. The utility model provides a but nonrust steel pipe of quick connect and dismantlement, its characterized in that, including connecting pipe A (1) and connecting pipe B (2), connecting pipe A (1) and connecting pipe B (2)'s structure is unanimous, connecting pipe A (1) and connecting pipe B (2) both ends are respectively and combine end (3) and insert end (4), combine end (3) to expand the pipe structure, expand the outside of pipe structure and be equipped with indent fast-spinning external screw thread (5) and form evagination internal screw thread (6) at expanding the inside of pipe structure, insert end (4) to be equipped with indent fast-spinning connection screw thread (7), thereby connecting pipe A (1) and connecting pipe B (2) are realized on indent fast-spinning connection screw thread (7) threaded connection on connecting pipe B (2) combine end (3) inside evagination internal screw thread (6).
2. A quick connect and disconnect stainless steel pipe according to claim 1, characterized in that the end of the pipe-expanding structure is flared and forms a sealing groove (8) inside the pipe-expanding structure and a sealing ring (9) is provided in the sealing groove (8).
3. A method for manufacturing a stainless steel pipe capable of being quickly connected and disconnected according to claim 1 or 2, comprising the following steps:
s1, rolling threads for one time: respectively processing stainless steel pipe blank materials of the connecting pipe A (1) and the connecting pipe B (2) by adopting a thread rolling forming machine, so that the insertion ends (4) of the connecting pipe A (1) and the connecting pipe B (2) form concave quick-rotation connecting threads (7);
s2, processing a pipe expanding structure: placing the stainless steel tube blank material in the step S1 into an expansion head of an expander for expansion, wherein the expansion head can expand the inner diameters of the joint ends (3) of the connecting tube A (1) and the connecting tube B (2) respectively;
s3, secondary rolling of threads: putting the flared connecting pipe A (1) and the connecting pipe B (2) in the step S2 into a thread rolling forming machine for thread rolling, so that an inner concave quick-rotation external thread (5) and an outer convex internal thread (6) are respectively formed on the outer surface and the inner surface of the connecting end (3);
s4, rolling a sealing groove: and (3) rolling the connecting pipe A (1) and the connecting pipe B (2) processed in the step (S3) by adopting a seal groove rolling forming machine, so that the end part of the pipe expanding structure is outwards expanded, a seal groove (8) is formed in the pipe expanding structure, and the sealing ring (9) is pressed in the seal groove (8), so that the processing of the connecting pipe A (1) and the connecting pipe B (2) can be completed.
4. The method for manufacturing the stainless steel tube capable of being quickly connected and dismounted according to claim 3, wherein the screw thread rolling forming machine comprises a first machine base (10), a first hydraulic cylinder (11) is arranged on the first machine base (10), a first lifting base (12) is arranged on a piston rod of the first hydraulic cylinder (11), a first upper driving motor is arranged on the first lifting base (12) and a first large pressing wheel (13) is arranged on an output shaft of the first upper driving motor, a first small pressing wheel (14) is arranged on an output shaft of the first lower driving motor which is arranged below the first lifting base (12), screw thread grooves with the same screw pitches are formed in the outer circles of the first large pressing wheel (13) and the first small pressing wheel (14), stainless steel tube blank materials of the connecting tube A (1) and the connecting tube B (2) are inserted into the first small pressing wheel (14), the first hydraulic cylinder (11) is started to drive the first lifting base (12) to descend, the first large pressing wheel (13) is applied to a certain pressure to roll down, and the first small pressing wheel (13) is extruded on the first small pressing wheel (14), and the first pressing wheel (14) is continuously extruded, and the screw threads are formed.
5. The method for manufacturing the stainless steel pipe capable of being quickly connected and dismounted according to claim 3, wherein the sealing groove rolling forming machine comprises a second machine seat (15), a second hydraulic cylinder (16) is arranged on the second machine seat (15), a second lifting seat (17) is arranged on a piston rod of the second hydraulic cylinder (16), a second upper driving motor is arranged on the second lifting seat (17), a second large pressing wheel (18) is arranged on an output shaft of the second upper driving motor, a second lower driving motor which is arranged below the second lifting seat (17) is arranged on the second machine seat (15), a second small pressing wheel (19) is arranged on an output shaft of the second lower driving motor, an annular pressing groove (20) is formed in the outer circle of the second large pressing wheel (18), an annular bulge (21) corresponding to the annular pressing groove (20) is formed in the outer circle of the second small pressing wheel (19), the second connecting pipe A (1) and the expanding pipe B (2) are inserted into the second small pressing wheel (19), the second lifting seat (16) is started to drive the second large pressing wheel (17) to descend, and the second small pressing wheel (18) is continuously pressed down on the second small pressing wheel (18), and the second small pressing wheel (18) is continuously pressed down, and the second small pressing pipe (18) is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311133126.1A CN117212572A (en) | 2023-09-05 | 2023-09-05 | A stainless steel pipe that can be quickly connected and disassembled and a manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311133126.1A CN117212572A (en) | 2023-09-05 | 2023-09-05 | A stainless steel pipe that can be quickly connected and disassembled and a manufacturing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN117212572A true CN117212572A (en) | 2023-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311133126.1A Pending CN117212572A (en) | 2023-09-05 | 2023-09-05 | A stainless steel pipe that can be quickly connected and disassembled and a manufacturing method thereof |
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| Country | Link |
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| CN (1) | CN117212572A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119387415A (en) * | 2024-11-28 | 2025-02-07 | 苏州品骏精密机械有限公司 | A kind of expansion locking mold for automobile exhaust system |
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| CN108907046A (en) * | 2016-12-13 | 2018-11-30 | 上海泛华紧固系统有限公司 | A kind of rolled tube Screw thread process method, milled head, equipment, module, production line and products thereof |
| CN217858219U (en) * | 2022-08-12 | 2022-11-22 | 邹小芽 | Roll forming device for forming stainless steel band |
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|---|---|---|---|---|
| CN200965113Y (en) * | 2006-10-18 | 2007-10-24 | 陈建强 | Thin wall rustless steel pipe rotary-inserting type adaptor |
| CN201237036Y (en) * | 2008-08-12 | 2009-05-13 | 林涛 | Thin-wall metal connecting pipe |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN119387415A (en) * | 2024-11-28 | 2025-02-07 | 苏州品骏精密机械有限公司 | A kind of expansion locking mold for automobile exhaust system |
| CN119387415B (en) * | 2024-11-28 | 2025-12-05 | 苏州品骏精密机械有限公司 | A mold for flaring out of an automotive exhaust system |
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