Heat supply pipeline connecting structure and construction method thereof
By using technical means such as positioning bosses, sealing rings and fastening connection components in the heating pipeline connection structure, the problem of reduced sealing and leakage risks at the heating pipeline connections is solved, and higher leakage prevention capabilities and connection stability are achieved.
Patent Information
- Application Number
- CN202510309928.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2025-04-25
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing heating pipeline connection methods have the risk of seal failure under high temperature, high pressure, thermal expansion and vibration, and are prone to leakage or corrosion, affecting the stability and safety of the heating system.
A heating pipe connection structure and construction method are adopted, including the pipe body and the pipe connection. By setting a positioning boss, a sealing ring and a fastening connection component in the pipe connection, combined with the use of bolted connection and connection protective shell, multiple sealing and reinforcement connection are realized.
Through multiple seals and strengthening connections, the leakage prevention capability of the heating pipe is significantly improved, the stability and safety of the pipe connection are enhanced, and the leakage problems caused by loose connection positions during long-term use are avoided.
Smart Images
Figure CN119878937A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of heating pipes, and in particular to a heating pipe connection structure and a construction method thereof. Background Art
[0002] As an important part of the heating system, heating pipes usually need to transport hot water or steam under high temperature and high pressure. The sealing of heating pipes directly affects the safety, energy efficiency and environmental protection of the heating system. Existing heating pipe connection methods are mostly flange connection or welding connection, but these connection methods have the risk of sealing failure under high temperature, high pressure, thermal expansion and vibration conditions, and are prone to leakage or corrosion, which in turn affects the stability and safety of the entire heating system.
[0003] In the prior art, the connection of heating pipes is usually made by flange connection or welding. As the heating pipes are used for a longer time, the sealing of the heating pipe joints decreases, posing a risk of leakage. Summary of the invention
[0004] The present invention provides a heating pipe connection structure and a construction method thereof, which are used to solve the defect in the prior art that as the heating pipe is used for a longer time, the sealing performance of the heating pipe connection decreases, resulting in the risk of leakage.
[0005] On the one hand, the present invention provides a heating pipe connection structure and a construction method thereof, comprising a pipe body and a pipe connector, a connecting seat is welded on the outer wall of the pipe body, a mounting hole is arranged on the connecting seat, a connecting hole is arranged in the pipe connector that passes through in the left and right directions, a positioning boss is fixedly connected to the inner wall of the connecting hole, sealing rings are fixedly connected to the left and right side walls of the positioning boss, a group of fastening connection components are respectively arranged at the left and right ends of the pipe connector, and the connecting seat is connected to the fastening connection component by bolts.
[0006] Preferably, the fastening connection assembly includes four groups of movable seat body assemblies evenly arranged in the circumferential direction, each group of movable seat body assemblies is arranged in an installation cavity, the installation cavities are all arranged in the main body of the pipe connector, and a group of auxiliary sealing assemblies are also respectively arranged in the installation cavities where the movable seat body assemblies on the upper and lower sides are located.
[0007] Preferably, the movable seat body assembly includes a mounting rod, which is fixedly connected to the inner wall of the sliding cavity along the left-right direction, and a sliding block is slidably connected to the mounting rod, and a spring 1 is fixedly connected between the sliding block and the inner wall of the sliding cavity close to the positioning boss side, and a sliding seat 2 is fixedly connected to the upper surface of the sliding block, and a mounting hole 2 corresponding to the mounting hole 1 is arranged on the sliding seat 2.
[0008] Preferably, each group of auxiliary sealing components is correspondingly provided with a sealing groove, and the sealing groove is arranged on the inner wall of the connecting hole, and the auxiliary sealing component comprises a control block, and the control block is installed on the inner wall of the side of the mounting cavity close to the movable seat body component through several groups of spring rods 1, and the fixed end of the spring rod 1 is fixedly connected to the inner wall of the side of the mounting cavity close to the movable seat body component, and the control block is provided with a first control surface and a second control surface on the side close to the movable seat body component, and the first control surface and the second control surface are connected by a first inclined surface, and the distance between the first control surface and the pipeline connecting piece is smaller than the distance between the second control surface and the pipeline connecting piece, and the control block is fixedly connected with a spring rod 2 on the side close to the mounting hole, and the telescopic end of the spring rod 2 slides through the side wall of the mounting hole and extends into the sealing groove, and a sealing ring is fixedly connected to the telescopic end of the spring rod 2.
[0009] Preferably, a connection protection shell is further provided at the connection between the pipeline main body and the pipeline connector, and the connection protection shell is composed of two semicircular shells, and the two semicircular shells are connected by bolts.
[0010] On the other hand, the present invention also provides a heating pipeline connection structure and a construction method thereof, comprising: Step S1: planning the layout location of the heating pipeline and cleaning the layout location; Step S2: placing the pipeline body in the installation position in sequence; Step S3: completing the connection between the pipeline main body and the pipeline connector; Step S4: Detect whether there is leakage in the heating pipeline by applying gradually increasing pressure in the pipeline body until the working pressure is reached; Step S5: Complete the installation of the connection protection shell.
[0011] Preferably, step S3 includes: Step S31: inserting the pipe bodies on the left and right sides of the pipe connector into the connecting holes until one end of the pipe body contacts the positioning boss; Step S32: Complete the connection between the sliding seat 1 and the sliding seat 2 by means of bolts until the sliding seat 1 and the sliding seat 2 are in contact.
[0012] Preferably, step S5 comprises: Step S51: Cover the connection protection shell on the connection between the pipeline body and the pipeline connector; Step S52: adjusting the horizontal position of the connecting protective shell, and fastening the two semicircular shells by bolts; Step S53: Fill sealing material at the connection point between the connection protection shell and the pipeline body and at the connection point between the connection protection shell and the pipeline connector.
[0013] Compared with the prior art, the present invention has the following beneficial effects: The present invention improves the anti-leakage capability of the heating pipeline by arranging multiple seals, and improves the connection strength between the pipeline body and the pipeline connector by arranging the fastening connection assembly, thereby preventing pipeline leakage caused by loose connection position during long-term use. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0015] Figure 1 It is a schematic diagram of the main structure of the present invention; Figure 2 yes Figure 1 The enlarged schematic diagram at A in the middle; Figure 3 yes Figure 2 The enlarged schematic diagram of point B in the middle; Figure 4 yes Figure 1 Schematic diagram of the cross section at CC.
[0016] Reference numerals: 1. Pipe body; 2. Pipe connector; 3. Connecting seat 1; 4. Mounting hole 1; 5. Connecting hole; 6. Positioning boss; 7. Sealing ring; 8. Mounting cavity; 9. Mounting rod; 10. Sliding block; 11. Spring 1; 12. Sliding seat 2; 13. Mounting hole 2; 14. Sealing groove; 15. Control block; 16. Spring rod 1; 17. First control surface; 18. Second control surface; 19. First inclined surface; 20. Spring rod 2; 21. Sealing ring; 22. Connecting protective shell. DETAILED DESCRIPTION
[0017] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the drawings of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0018] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present invention. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions and technical features between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.
[0019] Example 1 An embodiment of the present invention provides a heating pipe connection structure, including a pipe body 1 and a pipe connector 2, a connecting seat 3 is welded on the outer wall of the pipe body 1, a mounting hole 4 is provided on the connecting seat 3, a connecting hole 5 that passes through in the left and right directions is provided in the pipe connector 2, a positioning boss 6 is fixedly connected to the inner wall of the connecting hole 5, a sealing ring 7 is fixedly connected to the left and right side walls of the positioning boss 6, a group of fastening connection components are respectively provided at the left and right ends of the pipe connector 2, and the connecting seat 3 is connected to the fastening connection component by bolts.
[0020] Preferably, the fastening connection assembly includes four groups of movable seat body assemblies evenly arranged in the circumferential direction, each group of movable seat body assemblies is arranged in an installation cavity 8, and the installation cavities 8 are all arranged in the main body of the pipe connector 2. A group of auxiliary sealing assemblies are also respectively arranged in the installation cavities 8 where the movable seat body assemblies on the upper and lower sides are located.
[0021] Preferably, the movable seat body assembly includes a mounting rod 9, which is fixedly connected to the inner wall of the sliding cavity along the left-right direction, and a sliding block 10 is slidably connected to the mounting rod 9. A spring 11 is fixedly connected between the sliding block 10 and the inner wall of the sliding cavity near the positioning boss 6. A sliding seat 2 12 is fixedly connected to the upper surface of the sliding block 10, and a mounting hole 2 13 corresponding to the mounting hole 1 4 is arranged on the sliding seat 2 12.
[0022] The beneficial effects of the above technical solution are: When connecting the pipe body 1, first insert the pipe body 1 at the left and right ends of the pipe connector 2 into the connecting hole 5 until the pipe connector 2 contacts the positioning boss 6, and then complete the connection between the connecting seat 1 3 and the connecting seat 2 by tightening with bolts until the connecting seat 1 3 contacts the connecting seat 2.
[0023] During the use of the heating pipe, under the action of spring 11, the tight connection between the pipe body 1 and the pipe connector 2 is ensured, thereby avoiding leakage of the heating pipe. When the connection between the pipe body 1 and the pipe connector 2 becomes loose due to vibration, under the action of spring 11, the pipe body 1 will be pulled toward the direction close to the pipe connector 2, thereby restoring the tight connection between the pipe body 1 and the pipe connector 2, thereby further avoiding leakage of the heating pipe.
[0024] The connection base 1 3 and the connection base 2 are fixed by bolt connection to ensure that the connection parts are firm and stable, and can withstand the common thermal expansion and pressure fluctuations in the heating system, avoid loosening or leakage of the pipeline due to external pressure, and ensure the long-term stable operation of the system.
[0025] Example 2 On the basis of Example 1, each group of auxiliary sealing components is correspondingly provided with a sealing groove 14, and the sealing groove 14 is arranged on the inner wall of the connecting hole 5. The auxiliary sealing component includes a control block 15, and the control block 15 is installed on the inner wall of the side of the mounting cavity 8 close to the movable seat body component through a plurality of groups of spring rods 16. The fixed end of the spring rod 16 is fixedly connected to the inner wall of the side of the mounting cavity 8 close to the movable seat body component. The control block 15 is provided with a first control surface 17 and a second control surface 18 on the side close to the movable seat body component. The first control surface 17 and the second control surface 18 are connected by a first inclined surface 19. The distance between the first control surface 17 and the pipe connector 2 is smaller than the distance between the second control surface 18 and the pipe connector 2. The control block 15 is fixedly connected with a spring rod 20 on the side close to the mounting hole. The telescopic end of the spring rod 20 slides through the side wall of the mounting hole and extends into the sealing groove 14. A sealing ring 21 is fixedly connected to the telescopic end of the spring rod 20.
[0026] The beneficial effects of the above technical solution are: As the bolts are tightened, the sliding block 10 moves toward the end face, so that the connecting seat 1 3 and the connecting seat 2 are close to each other. As the sliding block 10 moves, the contact surface between the control block 15 and the sliding block 10 is converted from the second control surface 18 to the first control surface 17, so that the control block 15 moves downward, and then the sealing ring 21 is in close contact with the outer wall of the pipeline body 1. Through the cooperation of the upper and lower sets of sealing rings 21, the second level of sealing of the heating pipeline is achieved, further reducing the risk of leakage of the heating pipeline.
[0027] Example 3 On the basis of any one of Examples 1-2, a connection protection shell 22 is further provided at the connection between the pipeline main body 1 and the pipeline connector 2. The connection protection shell 22 is composed of two semicircular shells, and the two semicircular shells are connected by bolts.
[0028] The beneficial effects of the above technical solution are: By setting the connection protection shell 22, the connection between the pipeline body 1 and the pipeline connector 2 is isolated from the outside world, which avoids the leakage of the heating pipeline caused by rust at the connection between the pipeline body 1 and the pipeline connector 2, further reducing the leakage probability of the heating pipeline, and at the same time completing the isolation of the fastening connection component from the external environment, so that the present connection structure can be used in occasions where the pipeline needs to be landfilled, ensuring that the fastening connection component can still work normally after the pipeline is landfilled, and by filling the sealing material at the connection between the connection protection shell 22 and the pipeline body 1 and at the connection between the connection protection shell 22 and the pipeline connector 2, the third level of sealing of the heating pipeline is achieved, further reducing the risk of leakage of the heating pipeline.
[0029] Example 4 The embodiment of the present invention further provides a construction method of a heating pipe connection structure, which is applied to a heating pipe connection structure as described in any one of Embodiments 1 to 3, comprising: Step S1: planning the layout location of the heating pipeline and cleaning the layout location; Step S2: placing the pipeline body 1 at the installation position in sequence; Step S3: completing the connection between the pipeline main body 1 and the pipeline connector 2; Step S4: Detect whether there is leakage in the heating pipeline by applying a gradually increasing pressure in the pipeline body 1 until the working pressure is reached; Step S5: completing the installation of the connection protection shell 22.
[0030] Preferably, step S3 includes: Step S31: inserting the pipe bodies 1 on the left and right sides of the pipe connector 2 into the connecting holes 5 until one end of the pipe body 1 contacts the positioning boss 6; Step S32: Complete the connection between the sliding seat 1 and the sliding seat 2 12 by bolts until the sliding seat 1 and the sliding seat 2 12 are in contact.
[0031] Preferably, step S5 comprises: Step S51: putting the connection protection shell 22 on the connection between the pipeline body 1 and the pipeline connector 2; Step S52: adjusting the horizontal position of the connecting protection shell 22, and fastening the two semicircular shells by bolts; Step S53: Fill sealing material at the connection between the connection protection shell 22 and the pipeline body 1 and at the connection between the connection protection shell 22 and the pipeline connector 2 .
[0032] The beneficial effects of the above technical solution are: The arrangement of the pipe connector 2 makes the installation process of the pipe body 1 and the connector easier. By inserting the pipe body 1 into the connection hole 5 and connecting the sliding seat 1 and the sliding seat 2 12 by bolts, the installation steps and operation complexity are reduced, and the construction efficiency is greatly improved.
[0033] By gradually increasing the pressure in the pipeline body 1 to perform leak detection, the sealing of the pipeline connection can be ensured in actual use, potential leakage problems can be discovered in time, hidden dangers of the pipeline after it is put into use can be avoided, and the safety of the heating system can be improved.
[0034] The installation of the connection protection shell 22 can effectively protect the pipe connection part from external environmental factors, such as physical impact, corrosion, etc., thereby extending the service life of the pipe connection. The filling of the sealing material further improves the protection effect, and at the same time realizes the third level of sealing of the heating pipe, ensuring the stability of the pipe system in long-term operation.
[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims
1. A heating pipe connection structure, characterized in that: The invention comprises a pipe body (1) and a pipe connector (2), wherein a connecting seat (3) is welded on the outer wall of the pipe body (1), a mounting hole (4) is arranged on the connecting seat (3), a connecting hole (5) is arranged in the pipe connector (2) and passes through in the left-right direction, a positioning boss (6) is fixedly connected to the inner wall of the connecting hole (5), and a sealing ring (7) is fixedly connected to the left and right side walls of the positioning boss (6), respectively, a group of fastening connection components are arranged at the left and right ends of the pipe connector (2), and the connecting seat (3) is connected to the fastening connection components by bolts.
2. A heating pipe connection structure according to claim 1, characterized in that: The fastening connection assembly comprises four groups of movable seat body assemblies evenly arranged along the circumferential direction, each group of movable seat body assemblies is arranged in an installation cavity (8), and the installation cavity (8) is arranged in the main body of the pipe connector (2). A group of auxiliary sealing assemblies are also respectively arranged in the installation cavities (8) where the movable seat body assemblies on the upper and lower sides are located.
3. A heating pipe connection structure according to claim 2, characterized in that: The movable seat assembly comprises a mounting rod (9), the mounting rod (9) being fixedly connected to the inner wall of the sliding cavity along the left-right direction, a sliding block (10) being slidably connected to the mounting rod (9), a spring 1 (11) being fixedly connected between the sliding block (10) and the inner wall of the sliding cavity close to the positioning boss (6), a sliding seat 2 (12) being fixedly connected to the upper surface of the sliding block (10), and a mounting hole 2 (13) being arranged on the sliding seat 2 (12) corresponding to the mounting hole 1 (4).
4. A heating pipe connection structure according to claim 3, characterized in that: Each group of auxiliary sealing components is provided with a corresponding sealing groove (14), and the sealing groove (14) is provided on the inner wall of the connecting hole (5). The auxiliary sealing components include a control block (15), and the control block (15) is installed on the inner wall of the installation cavity (8) on the side close to the movable seat body component through a plurality of groups of spring rods (16). The fixed end of the spring rod (16) is fixedly connected to the inner wall of the installation cavity (8) on the side close to the movable seat body component. The control block (15) is provided with a first control surface (17) and a first control surface (18) on the side close to the movable seat body component. The first control surface (17) and the second control surface (18) are connected via a first inclined surface (19); the distance between the first control surface (17) and the pipe connecting piece (2) is smaller than the distance between the second control surface (18) and the pipe connecting piece (2); a second spring rod (20) is fixedly connected to one side of the control block (15) close to the mounting hole; the telescopic end of the second spring rod (20) slides through the side wall of the mounting hole and extends into the sealing groove (14); and a sealing ring (21) is fixedly connected to the telescopic end of the second spring rod (20).
5. A heating pipe connection structure according to claim 1, characterized in that: A connection protection shell (22) is also provided at the connection point between the pipeline main body (1) and the pipeline connector (2). The connection protection shell (22) is composed of two semicircular shells, and the two semicircular shells are connected by bolts.
6. A construction method for a heating pipe connection structure, applied to a heating pipe connection structure as claimed in any one of claims 1 to 5, characterized in that: include: Step S1: planning the layout location of the heating pipeline and cleaning the layout location; Step S2: placing the pipeline body (1) at the installation position in sequence; Step S3: completing the connection between the pipeline main body (1) and the pipeline connector (2); Step S4: applying a gradually increasing pressure in the pipeline body (1) until the working pressure is reached, thereby detecting whether there is leakage in the heating pipeline; Step S5: Complete the installation of the connection protection shell (22).
7. A construction method for a heating pipe connection structure according to claim 6, characterized in that: Step S3 includes: Step S31: inserting the pipe bodies (1) on the left and right sides of the pipe connector (2) into the connecting holes (5) until one end of the pipe body (1) contacts the positioning boss (6); Step S32: Complete the connection between the sliding seat 1 and the sliding seat 2 (12) by bolts until the sliding seat 1 and the sliding seat 2 (12) are in contact.
8. A construction method for a heating pipe connection structure according to claim 6, characterized in that: Step S5 includes: Step S51: putting the connection protection shell (22) on the connection between the pipeline body (1) and the pipeline connector (2); Step S52: adjusting the horizontal position of the connecting protective shell (22) and fastening the two semicircular shells by bolts; Step S53: Fill sealing material at the connection point between the connection protection shell (22) and the pipeline body (1) and at the connection point between the connection protection shell (22) and the pipeline connector (2).