Pipeline quick butt joint assembly with leakage prevention function
By setting multiple seals and compression parts at the pipe joints, the leakage problem at the flange and pipe joints is solved, a more efficient sealing effect is achieved, and the risk of gas or liquid leakage is reduced.
Patent Information
- Application Number
- CN202422646170.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-09-05
- Estimated Expiration
- 2034-10-31
AI Technical Summary
In the prior art, the connection between the flange and the pipeline is prone to leakage, and the sealing of the connection between the flange and the pipeline is neglected, resulting in gas or liquid leakage from the connection.
The first, second and third sealing members are used to seal the connections between the first butt joint and the first pipe, the second butt joint and the second pipe, and between the first butt joint and the second butt joint respectively, and the compression member is combined to enhance the sealing of the connection parts.
It effectively prevents gas or liquid from leaking from various potential leakage points, significantly improves the sealing performance of the connection parts, and reduces the risk of leakage.
Smart Images
Figure CN223306514U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pipeline connection, in particular to a pipeline quick docking component with an anti-leakage function. Background Art
[0002] As the fundamental infrastructure for fluid transport, the importance of pipeline systems is self-evident. From water supply and drainage systems to chemical material transportation, and even to the transmission of energy media like natural gas and oil, safe and efficient pipeline connections are key to ensuring stable system operation.
[0003] Traditional pipe connection methods primarily include welding, threading, and flange connections. While welded connections offer high strength, they are complex, require specialized skills, and are not suitable for rapid on-site installation and disassembly. Threaded connections, while relatively easy to install, are susceptible to leakage due to their sealing performance, which is significantly affected by thread machining accuracy and tightening torque.
[0004] The flange connection uses the pre-tightening force of the bolts to generate sufficient pressure between the gasket and the flange sealing surface to fill the microscopic unevenness of the flange sealing surface and achieve the purpose of sealing. This design ensures that even when the pipeline reaches the operating pressure and the two flanges tend to separate due to the axial force of the internal pressure, the residual pressure on the gasket can still maintain the seal and prevent gas leakage.
[0005] However, in the prior art, when flanges are used to connect two pipes, sealing rings are often only provided at the flange-to-flange connection to prevent gas or liquid from leaking from the flange connection, while the sealing of the flange-to-pipe connection is neglected, resulting in the possibility of gas or liquid leaking from the flange-to-pipe connection. Utility Model Content
[0006] In order to solve the problems existing in the prior art, the utility model provides a pipeline quick docking assembly with an anti-leakage function.
[0007] The technical solution adopted in this utility model is:
[0008] A quick-connect assembly for pipes with an anti-leakage function, comprising: a first connecting piece, a second connecting piece, a first sealing piece, a second sealing piece, and a third sealing piece;
[0009] One side of the first docking piece is used to connect with the first pipe, and the other side of the first docking piece is connected with the second docking piece;
[0010] One side of the second docking piece is used to connect to the second pipe, and the other side of the second docking piece is connected to the first docking piece;
[0011] The first sealing member is arranged on the inner side of the first butt joint member, and the first sealing member is used to seal the connection between the first butt joint member and the first pipe;
[0012] The second sealing member is arranged on the inner side of the second butt joint member, and the second sealing member is used to seal the connection between the second butt joint member and the second pipe;
[0013] The third sealing member is provided between the first butt joint member and the second butt joint member, and is used for sealing a connection between the first butt joint member and the second butt joint member.
[0014] Preferably, the first docking piece includes a first connecting portion and a first docking portion, the first connecting portion and the first docking portion are integrally formed, the first connecting portion is used to connect to the first pipe, the first docking portion is used to connect to the second docking piece, and the first sealing member is arranged on the inner side of the first connecting portion, and the first sealing member is used to seal the connection between the first connecting portion and the first pipe.
[0015] Preferably, the second docking part includes a second connecting part and a second docking part, the second connecting part and the second docking part are integrally formed, the second connecting part is used to connect to the second pipe, the second docking part is used to connect to the first connecting part, and the second sealing part is arranged on the inner side of the second connecting part, and the second sealing part is used to seal the connection between the second connecting part and the second pipe.
[0016] Preferably, two pressing members are further included, one of the pressing members is connected to the first connecting portion, and the other of the pressing members is connected to the second connecting portion.
[0017] Preferably, the two pressing members each include a first hoop body and a second hoop body, one end of the first hoop body is hinged to one end of the second hoop body, the other end of the first hoop body is connected to the other end of the second hoop body by bolts, the first hoop body and the second hoop body are arranged in a ring shape, the first hoop body and the second hoop body of one pressing member are sleeved on the first connecting portion, and the first hoop body and the second hoop body of the other pressing member are sleeved on the second connecting portion.
[0018] Preferably, a first through hole is provided on the first docking portion, one side of the first through hole is used to be connected to the first pipe, a fourth sealing assembly is provided in the first through hole, the fourth sealing assembly includes a first tube body and a first sealing ring, the first tube body is provided in the first through hole, one end of the first tube body is provided with a first annular groove, the first sealing ring is provided in the first annular groove, the end of the first tube body provided with the first annular groove is used to be inserted into the first pipe, and the first sealing ring is used to abut against the inner wall of the first pipe.
[0019] Preferably, a second through hole is provided on the second docking portion, one side of the second through hole is used to be connected to the second pipe, a fifth sealing assembly is provided in the second through hole, the fifth sealing assembly includes a second tube body and a second sealing ring, the second tube body is provided in the second hole, one end of the second tube body is provided with a second annular groove, the second sealing ring is provided in the second annular groove, the end of the second tube body provided with the second annular groove is used to be inserted into the second pipe, and the second sealing ring is used to abut against the inner wall of the second pipe.
[0020] Preferably, the other end of the first tube body and the other side of the first through hole are located in the same horizontal plane, the other end of the second tube body and the other side of the second through hole are located in the same horizontal plane, and the third sealing member is provided with a third through hole, and the size of the third through hole is the same as that of the first through hole and the second through hole.
[0021] The beneficial effect of this utility model is that the first, second, and third sealing members respectively seal the connection between the first butt joint and the first pipe, the connection between the second butt joint and the second pipe, and the connection between the first butt joint and the second butt joint. This comprehensive leak-proof design effectively solves the problem of the prior art that only provides sealing rings at the connection between flanges while ignoring the sealing at the connection between flanges and pipes, thereby significantly reducing the risk of gas or liquid leakage from various potential leak points. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 This is a front view structural diagram of the first embodiment of the present utility model;
[0023] Figure 2 This is a schematic front view cross-sectional structure diagram of the second embodiment of the present utility model;
[0024] Figure 3 This is a front view structural diagram of the third embodiment of the present utility model;
[0025] Figure 4 This is a side structural diagram of the first docking portion in the fourth embodiment of the present utility model;
[0026] Figure 5 This is a side structural diagram of the second docking portion in the fourth embodiment of the present utility model;
[0027] Figure 6 This is a side structural diagram of the fourth sealing assembly in the fourth embodiment of the present utility model;
[0028] Figure 7 This is a side structural diagram of the fifth sealing assembly in the fourth embodiment of the present utility model;
[0029] Figure 8This is a schematic diagram of the separation structure of the docking assembly in the fourth embodiment of the present utility model.
[0030] Figure numerals: 1. first docking piece; 10. first connecting portion; 11. first docking portion; 111. first through hole; 2. second docking piece; 20. second connecting portion; 21. second docking portion; 211. second through hole; 3. first sealing member; 4. second sealing member; 5. third sealing member; 6. pressing member; 60. first hoop body; 61. second hoop body; 7. fourth sealing assembly; 70. first tube body; 700. first annular groove; 71. first sealing ring; 8. fifth sealing assembly; 80. second tube body; 800. second annular groove; 81. second sealing ring. DETAILED DESCRIPTION
[0031] In order to make the purpose, scheme and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with embodiments and drawings. The schematic implementation manner of the present invention and its description are only used to explain the present invention and are not intended to limit the present invention.
[0032] In the following description, numerous specific details are set forth to provide a thorough understanding of the present invention. However, it will be apparent to one skilled in the art that these specific details are not necessarily required to practice the present invention. In other embodiments, well-known structures, circuits, materials, or methods are not described in detail to avoid obscuring the present invention.
[0033] Throughout this specification, references to "one embodiment," "an embodiment," "an example," or "an example" mean that a particular feature, structure, or characteristic described in conjunction with the embodiment or example is included in at least one embodiment of the present invention. Therefore, the phrases "one embodiment," "an embodiment," "an example," or "an example" appearing in various places throughout this specification do not necessarily refer to the same embodiment or example. In addition, the particular features, structures, or characteristics may be combined in one or more embodiments or examples in any suitable combination and / or subcombination. Furthermore, it will be understood by those of ordinary skill in the art that the figures provided herein are for illustrative purposes only and are not necessarily drawn to scale. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.
[0034] In the description of the present invention, the terms "front", "rear", "left", "right", "up", "down", "vertical", "horizontal", "high", "low", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limiting the scope of protection of the present invention.
[0035] Example 1
[0036] A quick-connect assembly for pipes with leak-proof function, such as Figure 1 As shown, it includes: a first docking member 1, a second docking member 2, a first seal 3, a second seal 4 and a third seal 5; one side of the first docking member 1 is used to connect to the first pipe, and the other side of the first docking member 1 is connected to the second docking member 2; one side of the second docking member 2 is used to connect to the second pipe, and the other side of the second docking member 2 is connected to the first docking member 1; the first seal 3 is arranged on the inner side of the first docking member 1, and the first seal 3 is used to seal the connection between the first docking member 1 and the first pipe; the second seal 4 is arranged on the inner side of the second docking member 2, and the second seal 4 is used to seal the connection between the second docking member 2 and the second pipe; the third seal 5 is arranged between the first docking member 1 and the second docking member 2, and the third seal 5 is used to seal the connection between the first docking member 1 and the second docking member 2.
[0037] The first and second mating components 1 and 2 may be flanges, each having an annular groove on its inner wall. The first sealing component 3 is made of a highly elastic, age-resistant rubber or silicone material, offering excellent sealing and corrosion resistance. The first sealing component 3 may be an O-ring or an annular gasket, placed in the annular groove on the inner side of the first mating component 1. When the first pipe is inserted into the first mating component 1 and fastened together, the first sealing component 3 is compressed and deformed upon contact with the outer wall of the first pipe, forming a seal. The second sealing component 4 is similar to the first sealing component 3 and is made of the same material, but its size and shape are designed to correspond to the annular groove on the inner side of the second mating component 2, ensuring a tight seal with the second pipe. The third sealing component 5 is also made of a highly elastic, age-resistant rubber or silicone material. It may be an annular gasket or a specially shaped sealing washer, installed on the connecting surface between the first and second mating components 1 and 2. When the two are docked and locked, the third sealing component 5 is compressed, effectively preventing liquid or gas leakage from the connection.
[0038] In this embodiment, the outer diameter of one end of the first pipe is adapted to the inner diameter of the first seal 3. During the insertion of the first pipe into the first docking member 1, the first seal 3 is compressed between the outer wall of the first pipe and the inner wall of the first docking member 1, forming a seal. Bolts, nuts, or other fastening devices can then be used to securely connect the first pipe to the first docking member 1. During the securing process, the first seal 3 is further compressed and deformed, thereby ensuring a tight seal between the pipe and the flange. The sealing process for the second pipe and the second docking member 2 is the same. The first docking member 1 and the second docking member 2 can be securely connected using bolts and nuts. By providing the first seal 3 and the second seal 4 between the first docking member 1 and the first pipe, and between the second docking member 2 and the second pipe, respectively, and providing the third seal 5 between the first docking member 1 and the second docking member 2, a multiple sealing barrier is formed at the entire connection, greatly enhancing the sealing performance of the connection and effectively preventing leakage of fluid or gas.
[0039] Example 2
[0040] like Figure 2 As shown, the first docking member 1 includes a first connecting portion 10 and a first docking portion 11, the first connecting portion 10 and the first docking portion 11 are integrally formed, the first connecting portion 10 is used to connect to the first pipe, the first docking portion 11 is used to connect to the second docking member 2, the first sealing member 3 is arranged on the inner side of the first connecting portion 10, the first sealing member 3 is used to seal the connection between the first connecting portion 10 and the first pipe, the second docking member 2 includes a second connecting portion 20 and a second docking portion 21, the second connecting portion 20 and the second docking portion 21 are integrally formed, the second connecting portion 20 is used to connect to the second pipe, the second docking portion 21 is used to connect to the first connecting portion 10, the second sealing member 4 is arranged on the inner side of the second connecting portion 20, the second sealing member 4 is used to seal the connection between the second connecting portion 20 and the second pipe.
[0041] Among them, such as Figure 2 As shown, the lengths of the first connecting portion 10 and the second connecting portion are set to be relatively long, the length of the first sealing member 3 is slightly longer than the first connecting portion 10, and the length of the second sealing member 4 is slightly longer than the second connecting portion 20, thereby respectively increasing the base area between the first sealing member 3 and the first pipe and the contact area between the second sealing member 4 and the second pipe.
[0042] In this embodiment, the increased length of the seals means a corresponding increase in the contact area between them and the pipes. This helps form a tighter sealing interface and reduces the risk of leakage. A larger contact area provides a more even distribution of sealing pressure, thereby enhancing the overall sealing effect. In a piping system, pipes and connectors may be subject to various factors such as fluid pressure, temperature fluctuations, and vibration. By increasing the length of the connector and seals, these stresses can be more effectively distributed, reducing the risk of connector damage or leakage caused by stress concentration.
[0043] Example 3
[0044] Based on the second embodiment, Figure 3 As shown, two pressing members 6 are further included, one of the pressing members 6 is connected to the first connecting portion 10, and the other of the pressing members 6 is connected to the second connecting portion 20. Both of the two pressing members 6 include a first hoop body 60 and a second hoop body 61, one end of the first hoop body 60 is hinged to one end of the second hoop body 61, the other end of the first hoop body 60 is connected to the other end of the second hoop body 61 by bolts, the first hoop body 60 and the second hoop body 61 are arranged in a ring, the first hoop body 60 and the second hoop body 61 of one pressing member 6 are sleeved on the first connecting portion 10, and the first hoop body 60 and the second hoop body 61 of the other pressing member 6 are sleeved on the second connecting portion 20.
[0045] In this embodiment, when the two pressing members 6 are respectively sleeved on the first connecting portion 10 and the second connecting portion 20, by tightening the bolts, the first hoop body 60 and the second hoop body 61 will fit tightly on the periphery of the connecting portion. This tight fit not only increases the friction between the connecting portion and the pipeline, but also presses the connecting portion and the pipeline more firmly together through mechanical force. Due to the tight fit between the connecting portion and the pipeline, the seals (the first seal 3 and the second seal 4) originally arranged on the inner side of the connecting portion will also be subject to indirect pressure from the pressing member 6. This pressure helps the seals to better fill the small gap between the connecting portion and the pipeline, forming a tighter sealing interface.
[0046] The contact area and contact pressure between the first sealing member 3 and the first pipe, and between the second sealing member 4 and the second pipe are increased by the compression of the compression member 6. This increase helps to form a more uniform and tighter sealing layer, reducing the risk of leakage.
[0047] In addition, the pressing member 6 can also resist various forces from inside and outside the pipeline (such as fluid pressure, thermal stress caused by temperature changes, vibration, etc.) to a certain extent, thereby extending its service life.
[0048] Example 4
[0049] Based on the third embodiment, Figure 4 As shown, a first through hole 111 is provided on the first docking portion 11. One side of the first through hole 111 is used to connect with the first pipe. A fourth sealing component 7 is provided in the first through hole 111. Figure 6 and Figure 8 As shown, the fourth sealing assembly 7 includes a first tube body 70 and a first sealing ring 71. The first tube body 70 is arranged in the first through hole 111, and one end of the first tube body 70 is provided with a first annular groove 700. The first sealing ring 71 is arranged in the first annular groove 700. The end of the first tube body 70 provided with the first annular groove 700 is used to be inserted into the first pipe, and the first sealing ring 71 is used to abut against the inner wall of the first pipe.
[0050] like Figure 5 As shown, a second through hole 211 is provided on the second docking portion 21. One side of the second through hole 211 is used to connect with the second pipe. A fifth sealing component 8 is provided in the second through hole 211. Figure 7 and Figure 8 As shown, the fifth sealing assembly 8 includes a second tube body 80 and a second sealing ring 81. The second tube body 80 is arranged in the second hole, and a second annular groove 800 is provided at one end of the second tube body 80. The second sealing ring 81 is arranged in the second annular groove 800. The end of the second tube body 80 provided with the second annular groove 800 is used to be inserted into the second pipe, and the second sealing ring 81 is used to abut against the inner wall of the second pipe.
[0051] In a possible embodiment, the other end of the first tube body 70 and the other side of the first through hole 111 are located in the same horizontal plane, the other end of the second tube body 80 and the other side of the second through hole 211 are located in the same horizontal plane, and the third sealing member 5 is provided with a third through hole (not shown), and the size of the third through hole is the same as that of the first through hole 111 and the second through hole 211.
[0052] Among them, a first tube body 70 is provided in the first through hole 111, and a first annular groove 700 is provided at one end of the first tube body 70, and a first sealing ring 71 is installed in this annular groove. The end of the first tube body 70 with the first sealing ring 71 is used to be inserted into the first pipe, and the first sealing ring 71 contacts the inner wall of the first pipe to play a sealing role. A second tube body 80 is provided in the second through hole 211, and a second annular groove 800 is provided at one end of the second tube body 80, and a second sealing ring 81 is installed in this annular groove. The end of the second tube body 80 with the second sealing ring 81 is used to be inserted into the second pipe, and the second sealing ring 81 contacts the inner wall of the second pipe to play a sealing role. A third through hole is provided on the third sealing component 5, and the size of this through hole is the same as that of the first through hole 111 and the second through hole 211, so as to facilitate the docking and sealing between the first docking component 1 and the second docking component 2.
[0053] In this embodiment, when the first pipe is inserted into the first tube body 70 within the first through-hole 111, the first sealing ring 71 contacts and is compressed against the inner wall of the first pipe, forming a seal. Similarly, when the second pipe is inserted into the second tube body 80 within the second through-hole 211, the second sealing ring 81 contacts and is compressed against the inner wall of the second pipe, forming a seal. When the first docking member 1 and the second docking member 2 are docked, the third sealing member 5 is positioned between them, with its third through-hole aligned with the first through-hole 111 and the second through-hole 211. The first docking member 1 and the second docking member 2 are secured together using a fastening device (e.g., a bolt and nut). The third sealing member 5 is compressed, thereby forming a seal between the first docking member 1 and the second docking member 2. On the basis of the original first seal 3, second seal 4 and third seal 5, a fourth sealing component 7 and a fifth sealing component 8 are added to further improve the sealing performance of the pipeline connection and prevent fluid or gas leakage. The design of the fourth sealing component 7 and the fifth sealing component 8 can be adjusted according to different pipeline sizes, so that the components can adapt to a wider range of pipeline connection requirements. Each sealing component is independent. If one of the seals fails, it can be replaced separately without replacing the entire component, which simplifies the maintenance process.
[0054] The above-described embodiments merely represent specific implementations of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make numerous variations and improvements without departing from the scope of the present invention, all of which fall within the scope of protection of the present invention.
Claims
1. A quick-connect pipe assembly with anti-leakage function, characterized in that: include: a first butt joint, a second butt joint, a first sealing member, a second sealing member, and a third sealing member; One side of the first docking piece is used to connect with the first pipe, and the other side of the first docking piece is connected with the second docking piece; One side of the second docking piece is used to connect to the second pipe, and the other side of the second docking piece is connected to the first docking piece; The first sealing member is arranged on the inner side of the first butt joint member, and the first sealing member is used to seal the connection between the first butt joint member and the first pipe; The second sealing member is arranged on the inner side of the second butt joint member, and the second sealing member is used to seal the connection between the second butt joint member and the second pipe; The third sealing member is provided between the first butt joint member and the second butt joint member, and is used for sealing a connection between the first butt joint member and the second butt joint member.
2. The quick-connect pipe assembly with anti-leakage function according to claim 1, characterized in that: The first docking piece includes a first connecting portion and a first docking portion, the first connecting portion and the first docking portion are integrally formed, the first connecting portion is used to connect to the first pipe, the first docking portion is used to connect to the second docking piece, and the first sealing member is arranged on the inner side of the first connecting portion, and the first sealing member is used to seal the connection between the first connecting portion and the first pipe.
3. The quick-connect pipe assembly with anti-leakage function according to claim 2, characterized in that: The second docking part includes a second connecting portion and a second docking portion, the second connecting portion and the second docking portion are integrally formed, the second connecting portion is used to connect to the second pipe, the second docking portion is used to connect to the first connecting portion, and the second sealing member is arranged on the inner side of the second connecting portion, and the second sealing member is used to seal the connection between the second connecting portion and the second pipe.
4. The quick-connect pipe assembly with anti-leakage function according to claim 3, characterized in that: It also includes two pressing pieces, one of which is connected to the first connecting portion, and the other of which is connected to the second connecting portion.
5. The quick-connect pipe assembly with anti-leakage function according to claim 4, characterized in that: The two pressing members each include a first hoop body and a second hoop body, one end of the first hoop body is hinged to one end of the second hoop body, the other end of the first hoop body is connected to the other end of the second hoop body by bolts, the first hoop body and the second hoop body are arranged in a ring shape, the first hoop body and the second hoop body of one pressing member are sleeved on the first connecting portion, and the first hoop body and the second hoop body of the other pressing member are sleeved on the second connecting portion.
6. The quick-connect pipe assembly with anti-leakage function according to claim 3, characterized in that: A first through hole is provided on the first docking portion, one side of the first through hole is used to be connected to the first pipe, a fourth sealing assembly is provided in the first through hole, the fourth sealing assembly includes a first tube body and a first sealing ring, the first tube body is provided in the first through hole, one end of the first tube body is provided with a first annular groove, the first sealing ring is provided in the first annular groove, the end of the first tube body provided with the first annular groove is used to be inserted into the first pipe, and the first sealing ring is used to abut against the inner wall of the first pipe.
7. The quick-connect pipe assembly with anti-leakage function according to claim 6, characterized in that: A second through hole is provided on the second docking portion, one side of the second through hole is used to be connected to the second pipe, a fifth sealing assembly is provided in the second through hole, the fifth sealing assembly includes a second tube body and a second sealing ring, the second tube body is provided in the second through hole, one end of the second tube body is provided with a second annular groove, the second sealing ring is provided in the second annular groove, the end of the second tube body provided with the second annular groove is used to be inserted into the second pipe, and the second sealing ring is used to abut against the inner wall of the second pipe.
8. The quick-connect pipe assembly with anti-leakage function according to claim 7, characterized in that: The other end of the first tube body and the other side of the first through hole are located in the same horizontal plane, the other end of the second tube body and the other side of the second through hole are located in the same horizontal plane, and the third sealing member is provided with a third through hole, and the size of the third through hole is the same as that of the first through hole and the second through hole.