Full-shielding multi-layer sealing element for steel pipe connection
By designing rotatable rotary plates and eccentric auxiliary connectors, the misalignment problem in steel pipe connections is solved, the internal stress of the steel pipe is reduced, and the service life of the steel pipe is extended, and the effective sealing and stress reduction of steel pipe connections is achieved.
Patent Information
- Application Number
- CN202421328653.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-12
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-06-12
AI Technical Summary
In existing steel pipe connections, when steel pipes are installed in a longer row, the ends of the steel pipes are easily misaligned, resulting in the seal being unable to connect. When forced to bend, complex stress states are generated inside the steel pipe, mainly a combination of shear stress and normal stress. , reduces the life of steel pipes.
A fully shielded multi-layer seal for steel pipe connection is designed, including the main connector, the adapter component and the auxiliary connector. The rotary plate can rotate freely at the bottom of the secondary shell, and the position where the auxiliary connector is installed on the rotary plate is eccentric. The rotation of the plate drives the auxiliary connector to adjust the position, reduces the forced beating during docking, and seals are achieved by splitting the housing assembly, sealing assembly and screws.
Effectively correct the docking of misaligned steel pipes, reducing the internal stress state of the steel pipes, mainly a combination of shear stress and positive stress, extending the service life of the steel pipes.
Smart Images
Figure CN222351672U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sealing components, in particular to a full-shielding multi-layer sealing component for connecting steel pipes. Background Art
[0002] Fully shielded multi-layer seals for steel pipe connections are mainly used in steel pipe connections to ensure the sealing of the connection, prevent the leakage of liquid or gas, and may provide additional protection.
[0003] In the existing steel pipe docking, when the steel pipes are arranged in a long row, the docking of the steel pipe ends at both ends is misaligned, which makes the existing seals unable to dock. If the steel pipe is forcibly bent, a complex stress state will be generated inside the steel pipe. The main stress is a combination of shear stress and normal stress, which reduces the life of the steel pipe. The existing seals do not have the ability to correct the misaligned steel pipe docking.
[0004] Therefore, how to provide a fully shielded multi-layer seal for steel pipe connection is a problem that technical personnel in this field urgently need to solve. Utility Model Content
[0005] One purpose of the utility model is to provide a fully shielded multi-layer seal for steel pipe connection. The seal of the utility model has the function of correcting the docking of misaligned steel pipes. The rotating plate can rotate freely at the bottom of the secondary shell. The auxiliary pipe is installed on the rotating plate in an eccentric position. The rotation of the rotating plate drives the auxiliary pipe to adjust its position, thereby reducing the forced bending of the steel pipe when docking the steel pipe, which leads to a complex stress state inside the steel pipe, which is mainly a combination of shear stress and normal stress.
[0006] According to an embodiment of the utility model, a fully shielded multi-layer seal for steel pipe connection includes a main pipe, a transition component and an auxiliary pipe, wherein the main pipe is fixedly installed on one side of the transition component, and the auxiliary pipe is fixedly installed on the other side of the transition component;
[0007] The adapter component includes a disassembled housing assembly, a rotating plate and a sealing assembly, wherein the rotating plate is rotatably mounted on a side of the disassembled housing assembly facing the auxiliary pipe, and the sealing assembly is fixedly mounted in the disassembled housing assembly.
[0008] Furthermore, a first thread groove is formed on the inner wall of the main pipe, and a second thread groove is formed on the inner wall of the auxiliary pipe.
[0009] Furthermore, the disassembled shell assembly includes a main shell, a main flange, a secondary shell, a secondary flange and a screw, wherein one side of the main shell is fixedly mounted on the main pipe, the main flange is fixedly mounted on the side of the main shell away from the main pipe, one side of the secondary shell is rotatably mounted on a rotating plate, the secondary flange is fixedly mounted on the side of the secondary shell away from the auxiliary pipe, and the thread of the screw is screwed into the main flange and the secondary flange.
[0010] Furthermore, the disassembled shell assembly also includes a sealing rubber ring, and the sealing rubber ring is fixedly installed between the main flange and the secondary flange.
[0011] Furthermore, the side of the rotating plate facing away from the secondary shell is fixedly mounted on the auxiliary pipe.
[0012] Furthermore, the sealing assembly includes a first groove ring and a first protruding ring, the first groove ring is fixedly mounted on the inner wall of the main shell, the first protruding ring is fixedly mounted on the inner wall of the secondary shell, and the protruding portion of the first protruding ring is engaged with the groove portion of the first groove ring.
[0013] Furthermore, the sealing assembly also includes a second groove ring and a second protruding ring, the second groove ring is fixedly mounted on the side of the rotating plate toward the secondary shell, the second protruding ring is fixedly mounted on the side of the secondary shell away from the first protruding ring, and the second protruding ring is located inside the secondary shell.
[0014] Further, the sealing assembly includes a groove rubber ring, a protruding rubber ring and a sealing rubber ring, wherein the groove rubber ring is fixedly mounted on a side of the secondary shell away from the first protruding ring, the protruding rubber ring is fixedly mounted on a side of the rotating plate toward the secondary shell, the protruding portion of the protruding rubber ring is engaged with the groove portion of the groove rubber ring, the sealing rubber ring is fixedly mounted on the outer wall of the rotating plate, and the sealing rubber ring is rotatably mounted on the inner wall of the secondary shell.
[0015] The beneficial effects of the utility model are:
[0016] The seal of the utility model has the function of correcting the docking of misaligned steel pipes. The rotating plate can rotate freely at the bottom of the secondary shell body. The auxiliary pipe is installed on the rotating plate in an eccentric position. The rotation of the rotating plate drives the auxiliary pipe to adjust its position, thereby reducing the forced bending of the steel pipe when docking the steel pipe, which leads to a complex stress state inside the steel pipe, in which the main stress is a combination of shear stress and normal stress. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0018] Figure 1 This is a schematic diagram of the overall structure of a fully shielded multi-layer seal for steel pipe connection proposed by the utility model from a first perspective;
[0019] Figure 2 This is a schematic diagram of the overall structure of a fully shielded multi-layer seal for steel pipe connection proposed by the utility model from a first perspective;
[0020] Figure 3 A cross-sectional view of a main connecting pipe of a fully shielded multi-layer sealing member for connecting steel pipes proposed by the utility model;
[0021] Figure 4 The utility model provides a fully shielded multi-layer seal for connecting steel pipes. Figure 3 A magnified image of point A;
[0022] Figure 5 The utility model provides a fully shielded multi-layer seal for connecting steel pipes. Figure 3 Enlarged view of point B.
[0023] In the figure: 1. main pipe; 1.1. first threaded groove; 2. adapter component; 3. auxiliary pipe; 3.1. first threaded groove; 4. disassembled shell assembly; 4.1. main shell; 4.2. main flange; 4.3. secondary shell; 4.4. secondary flange; 4.5. screw; 4.6. sealing rubber ring; 5. rotating plate; 6. sealing assembly; 6.1. first groove ring; 6.2. first protruding ring; 6.3. second groove ring; 6.4. second protruding ring; 6.5. groove rubber ring; 6.6. protruding rubber ring; 6.7. sealing rubber ring. DETAILED DESCRIPTION
[0024] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.
[0025] Please refer to Figures 1 to 5 The utility model provides a fully shielded multi-layer seal for steel pipe connection, including a main pipe 1, a transition component 2 and an auxiliary pipe 3, wherein the main pipe 1 is fixedly installed on one side of the transition component 2, a first thread groove 1.1 is provided on the inner wall of the main pipe 1, and the main pipe 1 is used to connect the steel pipe through the first thread groove 1.1, a second thread groove 3.1 is provided on the inner wall of the auxiliary pipe 3, and the auxiliary pipe 3 is used to connect the steel pipe through the second thread groove 3.1, and the auxiliary pipe 3 is fixedly installed on the other side of the transition component 2; the transition component 2 includes a disassembled shell component 4, a rotating plate 5 and a sealing component 6, wherein the rotating plate 5 is rotatably installed on the side of the disassembled shell component 4 facing the auxiliary pipe 3, the disassembled shell component 4 can be disassembled, and the sealing component 6 is fixedly installed in the disassembled shell component 4, and the sealing component 6 is used for sealing.
[0026] Specifically, the disassembled shell assembly 4 includes a main shell 4.1, a main flange 4.2, a secondary shell 4.3, a secondary flange 4.4 and a screw 4.5, wherein one side of the main shell 4.1 is fixedly mounted on the main pipe 1, the main flange 4.2 is fixedly mounted on the side of the main shell 4.1 away from the main pipe 1, one side of the secondary shell 4.3 is rotatably mounted on the rotating plate 5, the secondary flange 4.4 is fixedly mounted on the side of the secondary shell 4.3 away from the auxiliary pipe 3, the thread of the screw 4.5 is screwed into the main flange 4.2 and the secondary flange 4.4, and the screw 4.5 can fix the main flange 4.2 of the main shell 4.1 and the secondary flange 4.4 of the secondary shell 4.3 together; the disassembled shell assembly 4 also includes a sealing rubber ring 4.6, which is fixedly mounted between the main flange 4.2 and the secondary flange 4.4, and the sealing rubber ring 4.6 is used to seal the gap between the main shell 4.1 and the secondary shell 4.3 and the gap between the main flange 4.2 and the secondary flange 4.4 to prevent fluid overflow.
[0027] More specifically, the side of the rotating plate 5 facing away from the secondary shell 4.3 is fixedly mounted on the auxiliary pipe 3; the sealing assembly 6 includes a first groove ring 6.1 and a first protruding ring 6.2, the first groove ring 6.1 is fixedly mounted on the inner wall of the main shell 4.1, the first protruding ring 6.2 is fixedly mounted on the inner wall of the secondary shell 4.3, the protruding portion of the first protruding ring 6.2 is engaged with the groove portion of the first groove ring 6.1, and the first groove ring 6.1 and the first protruding ring 6.2 play a sealing role.
[0028] The sealing assembly 6 also includes a second groove ring 6.3 and a second protruding ring 6.4. The second groove ring 6.3 is fixedly mounted on the side of the rotating plate 5 facing the secondary housing 4.3, and the second protruding ring 6.4 is fixedly mounted on the side of the secondary housing 4.3 away from the first protruding ring 6.2. The second protruding ring 6.4 is located inside the secondary housing 4.3. The second groove ring 6.3 and the second protruding ring 6.4 play a sealing role.
[0029] More specifically, the sealing assembly 6 includes a groove rubber ring 6.5, a protruding rubber ring 6.6 and a sealing rubber ring 6.7, wherein the groove rubber ring 6.5 is fixedly mounted on a side of the secondary shell 4.3 away from the first protruding ring 6.2, the protruding rubber ring 6.6 is fixedly mounted on a side of the rotating plate 5 facing the secondary shell 4.3, the protruding portion of the protruding rubber ring 6.6 is meshed with the groove portion of the groove rubber ring 6.5, the groove rubber ring 6.5 and the protruding rubber ring 6.6 play a sealing role, the sealing rubber ring 6.7 is fixedly mounted on the outer wall of the rotating plate 5, and the sealing rubber ring 6.7 is rotatably mounted on the inner wall of the secondary shell 4.3, the sealing rubber ring 6.7 plays a sealing role between the outer wall of the rotating plate 5 and the interior of the secondary shell 4.3.
[0030] Furthermore, the main pipe 1 is connected to the external steel pipe through the first thread groove 1.1, and the auxiliary pipe 3 is connected to the external steel pipe through the second thread groove 3.1.
[0031] The screw 4.5 is turned and separated from the main flange 4.2 of the main housing 4.1 and the secondary flange 4.4 of the secondary housing 4.3, so that the main housing 4.1 and the secondary housing 4.3 are disassembled.
[0032] The rotating plate 5 can rotate freely at the bottom of the secondary shell 4.3. The auxiliary pipe 3 is installed on the rotating plate 5 in an eccentric position. The rotation of the rotating plate 5 drives the auxiliary pipe 3 to adjust its position, thereby reducing the forced bending of the steel pipe when connecting the steel pipe, which leads to a complex stress state inside the steel pipe. The main stress is a combination of shear stress and normal stress.
[0033] The first groove ring 6.1 and the first protruding ring 6.2 play a sealing role, further preventing the gap between the main shell 4.1 and the secondary shell 4.3 and the main flange 4.2 and the secondary flange 4.4 from being sealed, thereby avoiding fluid overflow.
[0034] The second groove ring 6.3 and the second protruding ring 6.4 play a sealing role, and the groove rubber ring 6.5, the protruding rubber ring 6.6 and the sealing rubber ring 6.7 play a sealing role to seal the gap between the secondary housing 4.3 and the rotating plate 5 to avoid fluid overflow.
[0035] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.
Claims
1. A fully shielded multi-layer seal for steel pipe connection, characterized in that: It comprises a main pipe (1), a switching component (2) and an auxiliary pipe (3), wherein the main pipe (1) is fixedly mounted on one side of the switching component (2), and the auxiliary pipe (3) is fixedly mounted on the other side of the switching component (2); The adapter component (2) comprises a disassembled housing assembly (4), a rotating plate (5) and a sealing assembly (6), wherein the rotating plate (5) is rotatably mounted on a side of the disassembled housing assembly (4) facing the auxiliary pipe (3), and the sealing assembly (6) is fixedly mounted in the disassembled housing assembly (4).
2. A fully shielded multi-layer seal for steel pipe connection according to claim 1, characterized in that: A first thread groove (1.1) is provided on the inner wall of the main pipe (1), and a second thread groove (3.1) is provided on the inner wall of the auxiliary pipe (3).
3. A fully shielded multi-layer seal for steel pipe connection according to claim 1, characterized in that: The detachable shell assembly (4) comprises a main shell (4.1), a main flange (4.2), a secondary shell (4.3), a secondary flange (4.4) and a screw (4.5), wherein one side of the main shell (4.1) is fixedly mounted on the main pipe (1), the main flange (4.2) is fixedly mounted on the side of the main shell (4.1) away from the main pipe (1), one side of the secondary shell (4.3) is rotatably mounted on a rotating plate (5), the secondary flange (4.4) is fixedly mounted on the side of the secondary shell (4.3) away from the auxiliary pipe (3), and the screw (4.5) is screwed into the main flange (4.2) and the secondary flange (4.4).
4. A fully shielded multi-layer seal for steel pipe connection according to claim 3, characterized in that: The disassembled housing assembly (4) also includes a sealing rubber ring (4.6), and the sealing rubber ring (4.6) is fixedly installed between the main flange (4.2) and the secondary flange (4.4).
5. A fully shielded multi-layer seal for steel pipe connection according to claim 1, characterized in that: The side of the rotating plate (5) facing away from the secondary shell (4.3) is fixedly mounted on the auxiliary pipe (3).
6. A fully shielded multi-layer seal for steel pipe connection according to claim 1, characterized in that: The sealing assembly (6) comprises a first groove ring (6.1) and a first protruding ring (6.2); the first groove ring (6.1) is fixedly mounted on the inner wall of the main housing (4.1); the first protruding ring (6.2) is fixedly mounted on the inner wall of the secondary housing (4.3); the protruding portion of the first protruding ring (6.2) is meshed with the groove portion of the first groove ring (6.1).
7. A fully shielded multi-layer seal for steel pipe connection according to claim 6, characterized in that: The sealing assembly (6) further comprises a second groove ring (6.3) and a second protruding ring (6.4); the second groove ring (6.3) is fixedly mounted on a side of the rotating plate (5) facing the secondary shell (4.3); the second protruding ring (6.4) is fixedly mounted on a side of the secondary shell (4.3) away from the first protruding ring (6.2); and the second protruding ring (6.4) is located inside the secondary shell (4.3).
8. A fully shielded multi-layer seal for steel pipe connection according to claim 1, characterized in that: The sealing assembly (6) comprises a groove rubber ring (6.5), a protruding rubber ring (6.6) and a sealing rubber ring (6.7), wherein the groove rubber ring (6.5) is fixedly mounted on a side of the secondary shell (4.3) away from the first protruding ring (6.2), the protruding rubber ring (6.6) is fixedly mounted on a side of the rotating plate (5) facing the secondary shell (4.3), the protruding portion of the protruding rubber ring (6.6) is meshed with the groove portion of the groove rubber ring (6.5), the sealing rubber ring (6.7) is fixedly mounted on the outer wall of the rotating plate (5), and the sealing rubber ring (6.7) is rotatably mounted on the inner wall of the secondary shell (4.3).