A pressure pipe connection structure

Abstract

The utility model discloses a pressure pipeline connection structure, comprising a delivery pipe, wherein a quick-connect device is arranged at one end of the delivery pipe, the quick-connect device comprises a connection pipe, a gear, a rack, a control sleeve, a matching rod, a matching groove and a matching sleeve, the gear is connected to one end of the matching sleeve, the rack is connected to the side wall of the control sleeve, the control sleeve is arranged at the outside of the delivery pipe, the matching rod is installed in the matching sleeve, the matching groove is arranged at the outside of the connection pipe, the matching sleeve is arranged at the side wall of the delivery pipe, a safety mechanism is installed at the inside of the delivery pipe, the safety mechanism comprises a sliding rod, a fixing frame, a push rod, a connection frame, a guide plate, a through groove, a rubber column, a fixing plate and a sealing block, the fixing frame is arranged in the delivery pipe, the connection frame is connected in the connection pipe, the sliding rod is connected to one side of the sealing block, the push rod is connected to one side of the connection frame, the guide plate is connected to one side of the fixing plate, the sealing block is installed at one side of the fixing plate, the rubber column is connected to one side of the sealing block, the through groove is arranged on the fixing plate, and a sealing mechanism is arranged in the delivery pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure pipeline connection, and more specifically, to a pressure pipeline connection structure. Background Art

[0002] In the prior art, the design of pressure pipe connection structures is crucial for many industrial applications, especially in situations where pipes need to be frequently replaced or maintained. However, regarding the problem of rapid disassembly and assembly, traditional pressure pipe connection structures are usually complex in design and involve multiple components such as bolts, nuts, flanges, etc. This not only makes the installation and disassembly process time-consuming, but also increases the difficulty of maintenance. When it is necessary to quickly replace the pipe or perform emergency repairs, the cumbersome disassembly and assembly operations significantly reduce the response speed and increase the system downtime, thereby affecting the overall production efficiency.

[0003] Secondly, with regard to the one-way sealing problem, the existing technology often lacks an effective one-way sealing mechanism after the pipeline is disconnected, which means that once the pipeline is disconnected, the transported medium (such as liquid, gas) may leak out from the disconnected end, causing safety risks, environmental pollution and waste of resources. Especially in the case of transporting toxic, flammable or reactive media, the inability to achieve rapid one-way sealing will have serious consequences.

[0004] In addition, although some quick-connect pipe connection structures have appeared on the market, these structures often achieve quick operation by simplifying the connection components. However, this simplification often comes at the expense of connection sealing. Sealing is an extremely critical aspect in the pressure piping system. Any loss of sealing may lead to reduced system efficiency, increased operating costs, and even serious safety accidents. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the problems existing in the prior art, the utility model provides a pressure pipe connection structure to solve the technical problems mentioned in the background technology.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pressure pipeline connection structure, including a delivery pipe, a quick-connect device is arranged at one end of the delivery pipe, the quick-connect device includes a connecting pipe, a gear, a rack, a control sleeve, a matching rod, a matching groove and a matching sleeve, the connecting pipe is detachably installed in the delivery pipe, the gear is connected to one end of the matching sleeve, the rack is fixedly connected to the side wall of the control sleeve, the control sleeve is slidably arranged on the outside of the delivery pipe, the matching rod is movably installed in the matching sleeve through a thread, the matching groove is arranged on the outside of the connecting pipe, and one end of the matching rod is engaged in the matching groove, and the matching sleeve is movably arranged on the side wall of the delivery pipe. A safety mechanism is installed on the inner side of the conveying pipe, and the safety mechanism includes a sliding rod, a fixing frame, a push rod, a connecting frame, a guide plate, a through groove, a rubber column, a fixing plate and a sealing block. The fixing frame is fixedly arranged in the conveying pipe, the connecting frame is fixedly connected in the connecting pipe, the sliding rod is connected to one side of the sealing block, and one end of the sliding rod can movably pass through the fixing frame, the push rod is fixedly connected to one side of the connecting frame, the guide plate is fixedly connected to one side of the fixing plate, the sealing block can be movably installed on one side of the fixing plate, the rubber column is connected to one side of the sealing block, the through groove is opened on the fixing plate, and the sealing block is adapted to the through groove, and a sealing mechanism is arranged in the conveying pipe.

[0009] The utility model is further configured that guide rods are provided on both sides of the matching rod, a guide groove is opened on the inner side of the conveying pipe, and the guide rods are slidably installed in the guide groove.

[0010] The utility model is further configured that a limit plate is provided on the outer side of the delivery pipe, a tension spring is provided on one side of the limit plate, and the other end of the tension spring is connected to the control sleeve.

[0011] The utility model is further configured such that a slide rail is provided on the outer side of the delivery pipe, a slide groove is provided on the inner side of the control sleeve, the slide groove is adapted to the slide rail, and the configuration of the slide rail and the slide groove ensures stable sliding of the control sleeve.

[0012] The utility model is further configured that a push spring is provided on one side of the sealing block, the push spring can be movably sleeved on the outside of the sliding rod, and the other end of the push spring is connected to the fixing frame. The configuration of the push spring ensures the stable resetting of the sealing block.

[0013] The utility model is further configured that a sealing ring is provided on one side of the sealing block, a sealing groove is provided on one side of the fixing plate, and the sealing ring fits in the sealing groove.

[0014] The utility model is further configured such that the sealing mechanism includes a rubber ring and a groove, the rubber ring is arranged on the inner side of the delivery pipe, the groove is opened on the outer side of the connecting pipe, and a plurality of the rubber rings are engaged in the corresponding grooves one by one, and the sealing structure ensures the sealing of the connection.

[0015] The utility model is further configured such that a gasket is provided on one side of the connecting pipe, the gasket can be detachably installed in the conveying pipe, a slope is provided in the matching groove, and the slope is fixedly arranged on the outside of the connecting pipe, and the design of the gasket and the slope further enhances the sealing performance of the connection.

[0016] (III) Beneficial effects

[0017] Compared with the prior art, the utility model provides a pressure pipe connection structure having the following features:

[0018] Beneficial effects:

[0019] 1. The quick-connect device uses a combination of multiple components such as gears, racks and control sleeves, which greatly simplifies the connection and removal process of the pipeline. The rack and gear are driven by sliding the control sleeve, and the matching rod can be quickly inserted or withdrawn from the matching groove to achieve quick connection and release. This design not only reduces the time and complexity of operation, but also improves the response speed. Especially in industrial applications that require frequent replacement or maintenance, it can significantly reduce downtime and maintenance costs.

[0020] 2. The safety mechanism includes a push rod, a guide plate and a rubber column, which provides a reliable one-way sealing function for the pipeline. During the pipeline connection process, the push rod gradually pushes the sealing block away, and when the connection is disconnected, the push spring quickly resets the sealing block to ensure sealing and prevent medium leakage. This automatic reset safety mechanism not only protects the system from accidental leakage, but also improves the safety of operation, especially when transporting dangerous or high-value media.

[0021] 3. The sealing mechanism enhances the sealing of the pipe connection through the precise matching of the rubber ring and the groove. Multiple rubber rings are snapped into the corresponding grooves one by one to form a multi-layer seal, which not only makes up for the possible sacrifice of sealing caused by the quick connection structure, but also increases the pressure resistance and aging resistance of the connection. In addition, the unique slope design allows the connecting pipe to press the gasket during the connection process, further enhancing the sealing performance, thereby avoiding poor sealing caused by improper installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of a pressure pipe connection structure in the utility model;

[0023] Figure 2 It is a schematic diagram of the cross-sectional structure in the utility model;

[0024] Figure 3 It is a cross-sectional structural diagram of the safety mechanism part of the utility model;

[0025] Figure 4 for Figure 3 A schematic diagram of the local enlarged structure at point A in the middle;

[0026] Figure 5 It is a schematic cross-sectional structure diagram of the quick-connect mechanism part of the utility model;

[0027] Figure 6 for Figure 5 Schematic diagram of the local enlarged structure at point B in the middle.

[0028] In the figure: 1. conveying pipe; 2. connecting pipe; 3. gear; 4. rack; 5. control sleeve; 6. matching rod; 7. matching groove; 8. matching sleeve; 9. sliding rod; 10. fixing frame; 11. push rod; 12. connecting frame; 13. guide plate; 14. through groove; 15. rubber column; 16. fixing plate; 17. sealing block; 18. guide rod; 19. guide groove; 20. limit plate; 21. tension spring; 22. slide rail; 23. slide groove; 24. push spring; 25. sealing ring; 26. sealing groove; 27. rubber ring; 28. groove; 29. ​​gasket; 30. slope. DETAILED DESCRIPTION

[0029] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0030] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0031] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0032] See also Figure 1-6A pressure pipeline connection structure includes a delivery pipe 1, one end of the delivery pipe 1 is provided with a quick connection device, the quick connection device includes a connection pipe 2, a gear 3, a rack 4, a control sleeve 5, a matching rod 6, a matching groove 7 and a matching sleeve 8, the connection pipe 2 is detachably installed in the delivery pipe 1, the gear 3 is connected to one end of the matching sleeve 8, the rack 4 is fixedly connected to the side wall of the control sleeve 5, the control sleeve 5 is slidably arranged on the outside of the delivery pipe 1, the matching rod 6 is movably installed in the matching sleeve 8 through a thread, the matching groove 7 is provided on the outside of the connection pipe 2, and one end of the matching rod 6 is engaged in the matching groove 7, the matching sleeve 8 is movably arranged on the side wall of the delivery pipe 1, and a safety mechanism is installed on the inside of the delivery pipe 1, and the safety mechanism includes a sliding rod 9 , a fixing frame 10, a push rod 11, a connecting frame 12, a guide plate 13, a through groove 14, a rubber column 15, a fixing plate 16 and a sealing block 17. The fixing frame 10 is fixedly arranged in the conveying pipe 1, the connecting frame 12 is fixedly connected in the connecting pipe 2, the sliding rod 9 is connected to one side of the sealing block 17, and one end of the sliding rod 9 can movably pass through the fixing frame 10, the push rod 11 is fixedly connected to one side of the connecting frame 12, the guide plate 13 is fixedly connected to one side of the fixing plate 16, the sealing block 17 is movably installed on one side of the fixing plate 16, the rubber column 15 is connected to one side of the sealing block 17, the through groove 14 is opened on the fixing plate 16, and the sealing block 17 is adapted to the through groove 14, and a sealing mechanism is arranged in the conveying pipe 1.

[0033] Guide rods 18 are provided on both sides of the matching rod 6 , and guide grooves 19 are provided on the inner side of the conveying pipe 1 , in which the guide rods 18 are slidably installed.

[0034] A limiting plate 20 is disposed on the outer side of the conveying pipe 1 , a tension spring 21 is disposed on one side of the limiting plate 20 , and the other end of the tension spring 21 is connected to the control sleeve 5 .

[0035] A slide rail 22 is disposed on the outer side of the delivery pipe 1 , and a slide groove 23 is provided on the inner side of the control sleeve 5 , and the slide groove 23 is adapted to the slide rail 22 .

[0036] A push spring 24 is provided on one side of the sealing block 17 . The push spring 24 is movably sleeved on the outside of the sliding rod 9 , and the other end of the push spring 24 is connected to the fixing frame 10 .

[0037] A sealing ring 25 is provided on one side of the sealing block 17 , and a sealing groove 26 is provided on one side of the fixing plate 16 , and the sealing ring 25 fits in the sealing groove 26 .

[0038] In this embodiment, when it is necessary to connect the pipeline, the control sleeve 5 is pushed in the corresponding direction, and the control sleeve 5 will drive the tension spring 21 connected to one side of the limit plate 20 to stretch. Due to the limitation of the slide rail 22 and the slide groove 23, the control sleeve 5 will stably move along the slide rail 22 through the slide groove 23, and then the control sleeve 5 will drive the rack 4 to move, and then the rack 4 will drive the gear 3 meshing therewith to rotate, and then the gear 3 will drive the matching sleeve 8 connected at one end to rotate. Since the matching rod 6 and the matching sleeve 8 are movably connected through threads, and since the guide rod 18 and the guide groove 19 are When the matching sleeve 8 rotates, the matching rod 6 will gradually move in the matching sleeve 8, and the guide rod 18 will slide in the guide groove 19. When the control sleeve 5 cannot move further, the gear 3 cannot rotate further, and one side of the matching rod 6 is in contact with the inner wall of the delivery pipe 1. Then, the end of the connecting pipe 2 provided with the matching groove 7 is inserted into the delivery pipe 1, and then the control sleeve 5 is released. The tension spring 21 will pull the control sleeve 5 to reset, and then the rack 4 will drive the gear 3 to rotate in the opposite direction, so that the guide rod 18 and the matching rod 6 are reset together. When the control sleeve 5 is completely reset, the gear 3 can be rotated in the opposite direction. After the connection is in place, one end of the matching rod 6 is completely inserted into the matching groove 7 provided on the side wall of the connecting pipe 2, thereby realizing a quick connection between the pipes. In the process of inserting the connecting pipe 2 into the conveying pipe 1, the push rod 11 connected to one side of the connecting frame 12 will gradually push open the sealing block 17, so that the sealing block 17 slides between the multiple guide plates 13, and the rubber column 15 gradually disengages from the through groove 14 provided on the fixing block, and the sealing ring 25 gradually disengages from the sealing groove 26, and then the sealing block 17 drives the sliding rod 9 to move, so that the sliding rod 9 can slide stably in the fixing frame 10, and the sealing The sealing block 17 will cooperate with the fixing frame 10 to compress the push spring 24 set on one side. When the connecting pipe 2 is fully inserted into the conveying pipe 1, the sealing block 17 is fully pushed open. At the same time, the sealing block 17 will cooperate with the fixing frame 10 to compress the push spring 24 to the limit. When the pipeline is removed, the sealing block 17 loses the limit of the push rod 11, and the push spring 24 will drive the sliding rod 9 and the sealing block 17 to reset, so that the rubber column 15 is reinserted into the through groove 14, and the sealing ring 25 will be engaged in the sealing groove 26 again, thereby ensuring the sealing performance of the conveying pipe 1 and preventing leakage when the pipeline is removed.

[0039] See also Figure 2 and Figure 5 As an implementation method of a pressure pipe connection structure of a sealing mechanism: the sealing mechanism includes a rubber ring 27 and a groove 28, the rubber ring 27 is arranged on the inner side of the delivery pipe 1, and the groove 28 is opened on the outer side of the connecting pipe 2, and multiple rubber rings 27 are engaged in the corresponding grooves 28 one by one.

[0040] A gasket 29 is provided on one side of the connecting pipe 2 , and the gasket 29 can be detachably installed in the conveying pipe 1 . A slope 30 is provided in the matching groove 7 , and the slope 30 is fixedly arranged on the outside of the connecting pipe 2 .

[0041] More specifically, when the mating rod 6 is fully inserted into the mating groove 7, due to the unique slope 30 design in the mating groove 7, the mating rod 6 will drive the connecting pipe 2 to be squeezed inward through the slope 30, so that one end of the connecting pipe 2 will press the gasket 29 arranged on the inner side of the delivery pipe 1 to ensure the sealing of the connection. At the same time, the multiple rubber rings 27 arranged on the inner side of the delivery pipe 1 will be snapped into the grooves 28 opened on the outer side of the connecting pipe 2 one by one, thereby further enhancing the sealing performance of the pipeline connection.

[0042] In summary, when the overall equipment is in use or running: when it is necessary to connect the pipeline, the control sleeve 5 is pushed in the corresponding direction, and the control sleeve 5 will drive the tension spring 21 connected to one side of the limit plate 20 to stretch. Due to the limitation of the slide rail 22 and the slide groove 23, the control sleeve 5 will move stably along the slide rail 22 through the slide groove 23, and then the control sleeve 5 will drive the rack 4 to move, and then the rack 4 will drive the gear 3 meshing with it to rotate, and then the gear 3 will drive the matching sleeve 8 connected at one end to rotate. Since the matching rod 6 and the matching sleeve 8 are movably connected through threads, and because the guide rod 18 The guide groove 19 limits the matching rod 6. When the matching sleeve 8 rotates, the matching rod 6 will gradually move in the matching sleeve 8, and the guide rod 18 will slide in the guide groove 19. When the control sleeve 5 cannot move further, the gear 3 cannot rotate further, and one side of the matching rod 6 is in contact with the inner wall of the conveying pipe 1. Then, the end of the connecting pipe 2 provided with the matching groove 7 is inserted into the conveying pipe 1, and then the control sleeve 5 is released. The tension spring 21 will pull the control sleeve 5 to reset, and then the rack 4 will drive the gear 3 to rotate in the opposite direction, so that the guide rod 18 and the matching rod 6 are reset together. When the control sleeve 5 cannot move further, the gear 3 cannot rotate further, and the guide rod 18 and the matching rod 6 are in contact with the inner wall of the conveying pipe 1. Then, the end of the connecting pipe 2 provided with the matching groove 7 is inserted into the conveying pipe 1. Then, the control sleeve 5 is released, and the tension spring 21 will pull the control sleeve 5 to reset. Then, the rack 4 will drive the gear 3 to rotate in the opposite direction, so that the guide rod 18 and the matching rod 6 are reset together. After the sleeve 5 is completely reset, one end of the matching rod 6 is completely inserted into the matching groove 7 provided on the side wall of the connecting pipe 2, thereby realizing a quick connection between the pipes. In the process of inserting the connecting pipe 2 into the conveying pipe 1, the push rod 11 connected to one side of the connecting frame 12 will gradually push open the sealing block 17, so that the sealing block 17 slides between the plurality of guide plates 13, and the rubber column 15 gradually disengages from the through groove 14 provided on the fixing block, and the sealing ring 25 gradually disengages from the sealing groove 26, and then the sealing block 17 drives the sliding rod 9 to move, so that the sliding rod 9 can slide stably in the fixing frame 10. At the same time, the sealing block 17 will cooperate with the fixing frame 10 to compress the push spring 24 set on one side. When the connecting pipe 2 is fully inserted into the conveying pipe 1, the sealing block 17 is completely pushed open. At the same time, the sealing block 17 will cooperate with the fixing frame 10 to compress the push spring 24 to the limit. When the pipeline is removed, the sealing block 17 loses the limit of the push rod 11, and the push spring 24 will drive the sliding rod 9 and the sealing block 17 to reset, so that the rubber column 15 is reinserted into the through groove 14, and the sealing ring 25 will be engaged in the sealing groove 26 again, thereby ensuring the sealing performance of the conveying pipe 1 and preventing leakage when the pipeline is removed.

[0043] When the mating rod 6 is fully inserted into the mating groove 7, due to the unique slope 30 design in the mating groove 7, the mating rod 6 will drive the connecting pipe 2 to be squeezed inward through the slope 30, so that one end of the connecting pipe 2 will press the gasket 29 set on the inner side of the delivery pipe 1 to ensure the sealing of the connection. At the same time, the multiple rubber rings 27 set on the inner side of the delivery pipe 1 will be snapped into the grooves 28 opened on the outer side of the connecting pipe 2 one by one, thereby further enhancing the sealing performance of the pipeline connection.

[0044] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A pressure pipe connection structure, comprising a delivery pipe (1), characterized in that: A quick-connect device is provided at one end of the conveying pipe (1), and the quick-connect device comprises a connecting pipe (2), a gear (3), a rack (4), a control sleeve (5), a matching rod (6), a matching groove (7) and a matching sleeve (8), wherein the gear (3) is connected to one end of the matching sleeve (8), the rack (4) is connected to the side wall of the control sleeve (5), the control sleeve (5) is arranged on the outside of the conveying pipe (1), the matching rod (6) is installed in the matching sleeve (8), the matching groove (7) is opened on the outside of the connecting pipe (2), and the matching sleeve (8) is arranged on the side wall of the conveying pipe (1), and a safety mechanism is installed on the inside of the conveying pipe (1), and the safety mechanism comprises a sliding rod (9), a fixing frame (10), a push rod (11), and a locking member (12). The invention relates to a conveying tube (1) comprising a connecting frame (11), a connecting frame (12), a guide plate (13), a through groove (14), a rubber column (15), a fixing plate (16) and a sealing block (17), wherein the fixing frame (10) is arranged in the conveying tube (1), the connecting frame (12) is connected in the connecting tube (2), the sliding rod (9) is connected to one side of the sealing block (17), the push rod (11) is connected to one side of the connecting frame (12), the guide plate (13) is connected to one side of the fixing plate (16), the sealing block (17) is installed on one side of the fixing plate (16), the rubber column (15) is connected to one side of the sealing block (17), the through groove (14) is opened on the fixing plate (16), and a sealing mechanism is arranged in the conveying tube (1).

2. A pressure pipe connection structure according to claim 1, characterized in that: Guide rods (18) are provided on both sides of the matching rod (6), a guide groove (19) is provided on the inner side of the conveying pipe (1), and the guide rod (18) is slidably installed in the guide groove (19).

3. A pressure pipe connection structure according to claim 2, characterized in that: A limiting plate (20) is provided on the outside of the conveying pipe (1), a tension spring (21) is provided on one side of the limiting plate (20), and the other end of the tension spring (21) is connected to the control sleeve (5).

4. A pressure pipe connection structure according to claim 3, characterized in that: The outer side of the delivery pipe (1) is provided with a slide rail (22), and the inner side of the control sleeve (5) is provided with a slide groove (23), and the slide groove (23) is adapted to the slide rail (22).

5. The pressure pipe connection structure according to claim 1 is characterized in that: A push spring (24) is provided on one side of the sealing block (17). The push spring (24) can be movably sleeved on the outside of the sliding rod (9), and the other end of the push spring (24) is connected to the fixing frame (10).

6. A pressure pipe connection structure according to claim 5, characterized in that: A sealing ring (25) is provided on one side of the sealing block (17), a sealing groove (26) is provided on one side of the fixing plate (16), and the sealing ring (25) fits in the sealing groove (26).

7. A pressure pipe connection structure according to any one of claims 1 to 6, characterized in that: The sealing mechanism comprises a rubber ring (27) and a groove (28); the rubber ring (27) is arranged on the inner side of the delivery pipe (1); the groove (28) is opened on the outer side of the connecting pipe (2); and a plurality of the rubber rings (27) are snapped into corresponding grooves (28) one by one.

8. A pressure pipe connection structure according to claim 7, characterized in that: A gasket (29) is provided on one side of the connecting pipe (2), and the gasket (29) is detachably installed in the conveying pipe (1). A slope (30) is provided in the matching groove (7), and the slope (30) is fixedly arranged on the outside of the connecting pipe (2).

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