Safety control expansion joint for asphalt ship

By using an L-shaped slot and locking assembly between the bellows and the exhaust pipe, the problems of loose bolts and rust are solved, enabling a quick, convenient, and stable connection between the bellows and the exhaust pipe, and improving the stability and sealing of the connection.

CN223754954UActive Publication Date: 2026-01-02JIANGSU KUI ZE MACHINERY IND CO LTD
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Patent Information

Application Number
CN202520572849.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-29
Publication Date
2026-01-02
Estimated Expiration
2035-03-29

AI Technical Summary

Technical Problem

In the existing technology, the installation and disassembly of corrugated pipes require loosening or tightening multiple bolts. After long-term use, the bolts are prone to loosening and rusting, which affects the stability of the corrugated pipe fixed connection.

Method used

The bellows and exhaust pipe are stably connected by an L-shaped slot on the outside of the connecting seat and a locking block on the outside of the exhaust pipe, and by a locking assembly and a high-strength limiting screw. The locking structure includes a combination of a locking rod, a stop block, a locking spring and a limiting screw.

Benefits of technology

It enables a quick, convenient, and stable connection between the corrugated pipe and the exhaust pipe, improving the stability and sealing of the connection and avoiding problems such as loose bolts and rust.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223754954U_ABST
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Abstract

The utility model discloses an asphalt ship safety control expansion joint, and particularly relates to the technical field of expansion joints, the asphalt ship safety control expansion joint comprises a corrugated pipe and an exhaust pipe, the two ends of the corrugated pipe are respectively and fixedly connected with a connecting seat, the two connecting seats are respectively sleeved on the outer side of the exhaust pipe, and a plurality of clamping blocks are circularly distributed on the outer side wall of the exhaust pipe. A plurality of L-shaped clamping grooves are circularly formed in the outer side wall of the connecting base, the clamping blocks are connected to the tail ends of the L-shaped clamping grooves formed in the outer side wall of the connecting base in a clamped mode, and a locking assembly is arranged between the exhaust pipe and the outer side wall of the connecting base. And meanwhile, through the arrangement of the locking assemblies, the stability of connection between the exhaust pipe and the connecting bases and connection between the corrugated pipes arranged between the two connecting bases is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to expansion joint technical field more specifically, the utility model relates to asphalt ship safety control expansion joint. BACKGROUND

[0002] Expansion joint refers to the flexible element that can effectively compensate the axial deformation, can effectively compensate the dimensional error, eliminate the internal stress between the connecting piece and avoid the quality problem between the rigid connection body caused by vibration and the like, so it is widely used in the engine intake and exhaust system of asphalt ship;

[0003] After searching, the existing patent with publication number CN216666871 U discloses a marine engine expansion joint, which comprises a flange plate, a flow guide pipe and a corrugated pipe, both ends of the corrugated pipe are fixedly connected with the flange plate, the connection between the two ends of the corrugated pipe and the flange plate is provided with a stepped shaft, the input end of the flow guide pipe is provided with a flow guide pipe flange, the outer edge of the flow guide pipe flange extends to the flange mounting hole, the flow guide pipe and the corrugated pipe do not need to be welded, which avoids the phenomenon of flow guide pipe falling off caused by the welding of the flow guide pipe, the corrugated pipe and the flange plate in the existing expansion joint at one point, and improves the interchangeability of the expansion joint parts, for example, when the flow guide pipe is damaged, only the flow guide pipe needs to be replaced to form a qualified expansion joint, which is convenient to replace; the part where the corrugated pipe and the flow guide pipe are connected adopts the design of the stepped shaft, which can prevent the bending part of the flow guide pipe from interfering with the flange plate, and can ensure that the corrugated pipe and the flange plate are fully welded.

[0004] When connecting the corrugated pipe, the device is connected through the cooperation of the flanges at both ends of the corrugated pipe and the bolts, to realize the installation and fixation of the corrugated pipe, but when the corrugated pipe needs to be installed or disassembled, the multiple bolts on the flange need to be loosened or tightened, and during long-term use, the tightening state of the bolts is prone to looseness and rust, which affects the stability of the fixed connection of the corrugated pipe and the use;

[0005] Therefore, the asphalt ship safety control expansion joint is proposed to solve the above problems. Utility model content

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides an asphalt ship safety control expansion joint to solve the problems in the above background art.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: The asphalt ship safety control expansion joint, including bellow, exhaust pipe, the both ends of bellow are fixedly connected with connecting seat respectively, two connecting seat are respectively set in the outside of exhaust pipe, the outside wall of exhaust pipe is circularly distributed and is provided with a plurality of clamping blocks, the outside wall of connecting seat is circularly distributed and is provided with a plurality of L type clamping slots, and the clamping block is clamped and connected in the end of L type clamping slot of the outside wall of connecting seat, and the locking assembly is arranged between the outside wall of exhaust pipe and connecting seat.

[0008] Preferably, the locking assembly includes a first locking seat, a locking rod, a stop block, a locking spring, and a second locking seat. The outside wall of the exhaust pipe is fixedly welded with the second locking seat. The outside wall of the connecting seat is fixedly welded with the first locking seat. The surface of the first locking seat is movably provided with the locking rod. The outside wall of the locking rod is fixedly connected with the stop block. The outside wall of the locking rod is sleeved with the locking spring. One end of the locking rod is fixedly connected with a knob for pulling the locking rod.

[0009] Preferably, the surface of the second locking seat is provided with a locking hole. One end of the locking rod is movably provided in the locking hole of the surface of the second locking seat.

[0010] Preferably, the locking spring is located between the first locking seat and the stop block. The two ends of the locking spring are fixedly connected with the first locking seat and the stop block, respectively.

[0011] Preferably, the inside wall of the connecting seat is fixedly welded with a partition ring. The partition ring and the exhaust pipe are provided with a sealing ring for increasing the sealing property between the exhaust pipe and the connecting seat.

[0012] Preferably, the outside wall of each connecting seat is fixedly welded with a positioning protrusion. The outside of the positioning protrusion is circularly distributed and fixedly connected with a plurality of extension blocks. A high-strength limiting screw is threadedly sleeved between two corresponding extension blocks. The outside of the high-strength limiting screw and the two sides of each extension block are respectively threadedly sleeved with a hexagonal fastening nut.

[0013] The utility model discloses the technical effect and advantage:

[0014] 1. Compared with the prior art, the L-shaped clamping slot provided on the outside of the connecting seat is clamped and connected with the clamping block fixedly connected to the outside of the exhaust pipe, thereby realizing the limiting connection of the connecting seat and the bellow arranged between the two connecting seats. By arranging the locking assembly on the outside wall of the exhaust pipe and the connecting seat, the limiting connection between the exhaust pipe and the connecting seat can be locked, and the stability of the connection between the exhaust pipe and the connecting seat and the bellow arranged between the two connecting seats is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1This is a frontal three-dimensional structural diagram of the present utility model.

[0016] Figure 2 This is a partial three-dimensional structural diagram of the present invention.

[0017] Figure 3 This is a schematic diagram of the first partial three-dimensional disassembled structure of this utility model.

[0018] Figure 4 This is a schematic diagram of the second part of the three-dimensional disassembly structure of this utility model.

[0019] The attached diagram is labeled as follows: 1. Bellows; 2. Exhaust pipe; 3. Connecting seat; 4. L-shaped slot; 5. Locking block; 6. First locking seat; 7. Locking rod; 8. Stop block; 9. Locking spring; 10. Spacer ring; 11. Sealing ring; 12. Positioning protrusion; 13. Extension block; 14. High-strength limiting screw; 15. Hexagonal fastening nut; 16. Second locking seat; 17. Locking hole. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Example 1

[0022] As attached Figures 1 to 4 The safety control expansion joint for asphalt boats shown includes a bellows 1 and an exhaust pipe 2. Both ends of the bellows 1 are fixedly connected to connecting seats 3. The two connecting seats 3 are respectively sleeved on the outside of the exhaust pipe 2. Several locking blocks 5 are arranged in a circular pattern on the outer wall of the exhaust pipe 2. Several L-shaped slots 4 are arranged in a circular pattern on the outer wall of the connecting seats 3. The locking blocks 5 are engaged with the ends of the L-shaped slots 4 on the outer wall of the connecting seats 3. A locking component is provided between the exhaust pipe 2 and the outer wall of the connecting seats 3.

[0023] In use, the device can first place the bellows 1 between the two exhaust pipes 2, and then put the connecting seats 3 at both ends of the bellows 1 onto the outside of the two exhaust pipes 2 respectively. While putting them on, make the locking blocks 5 on the outside of the exhaust pipes 2 align with the L-shaped slots 4 opened on the outer wall of the connecting seats 3. Then, rotate the two connecting seats 3 clockwise so that the locking blocks 5 rotate and engage with the end of the L-shaped slots 4. Finally, lock the connection between the two sets of exhaust pipes 2 and connecting seats 3 through the locking component. This structure can quickly and conveniently achieve the limiting connection between the bellows 1 and the exhaust pipes 2.

[0024] Embodiment 2

[0025] On the basis of embodiment 1, the scheme in embodiment 1 is further refined in combination with the specific working mode as follows: Figures 1 to 4 As shown in the figure, see the following description in detail:

[0026] As a preferred embodiment, the locking assembly comprises a first locking seat 6, a locking rod 7, a stop block 8, a locking spring 9, a second locking seat 16, the outer wall of the exhaust pipe 2 is fixedly welded with the second locking seat 16, the outer wall of the connecting seat 3 is fixedly welded with the first locking seat 6, the surface of the first locking seat 6 is movably provided with the locking rod 7, and the surface of the second locking seat 16 is provided with a locking hole 17, one end of the locking rod 7 is movably provided in the locking hole 17 on the surface of the second locking seat 16, the outer wall of the locking rod 7 is fixedly connected with the stop block 8, the outer wall of the locking rod 7 is sleeved with the locking spring 9, and the two ends of the locking spring 9 are fixedly connected with the first locking seat 6 and the stop block 8 respectively, and one end of the locking rod 7 is fixedly connected with a push button for pulling the locking rod 7; further, when locking the exhaust pipe 2 and the connecting seat 3, one person can first pull the two locking rods 7, then another person can rotate the corrugated pipe 1, then release the locking rod 7, at this time the locking spring 9 presses the stop block 8, then one end of the locking rod 7 approaches the second locking seat 16 and is inserted into the locking hole 17 on the surface of the second locking seat 16, thereby completing the locking of the exhaust pipe 2 and the connecting seat 3.

[0027] As a preferred embodiment, the inner wall of the connecting seat 3 is fixedly welded with a partition ring 10, and a sealing ring 11 for increasing the sealing property between the exhaust pipe 2 and the connecting seat 3 is arranged between the exhaust pipe 2 and the partition ring 10; further, the sealing property between the exhaust pipe 2 and the connecting seat 3 can be improved by the sealing ring 11 arranged between the exhaust pipe 2 and the partition ring 10.

[0028] As a preferred embodiment, the outer wall of each connecting seat 3 is fixedly welded with a positioning protrusion 12, the outer side of the positioning protrusion 12 is circularly distributed and fixedly connected with a plurality of extension blocks 13, a high-strength limiting screw 14 is threadedly arranged between two corresponding extension blocks 13, and a hexagonal fastening nut 15 is threadedly sleeved on the outer side of the high-strength limiting screw 14 and located on both sides of each extension block 13; further, the high-strength limiting screw 14 can be first rotated, then threadedly arranged in one extension block 13, then two hexagonal fastening nuts 15 are screwed, then the high-strength limiting screw 14 is rotated again to be threadedly arranged in the other extension block 13, finally one hexagonal fastening nut 15 is threadedly screwed on each end of the high-strength limiting screw 14, and finally the hexagonal fastening nut 15 arranged on the outer side of the high-strength limiting screw 14 and located between the two extension blocks 13 is rotated to make the two hexagonal fastening nuts 15 approach the two extension blocks 13 respectively.

[0029] The working process of the utility model is as follows: first, the corrugated pipe 1 and the exhaust pipe 2 are installed and fixed, then the high-strength limiting screw rod 14 is rotated, then the high-strength limiting screw rod 14 is threaded through an extension block 13, then two hexagonal nuts 15 are screwed, then the high-strength limiting screw rod 14 is rotated again, the high-strength limiting screw rod 14 is threaded through the other extension block 13, finally, a hexagonal nut 15 is threaded and screwed on both ends of the high-strength limiting screw rod 14, finally, the hexagonal nut 15 outside the high-strength limiting screw rod 14 and between the two extension blocks 13 is rotated, the two hexagonal nuts 15 are respectively close to the two extension blocks 13, and the corrugated pipe 1 can be supported and protected by the plurality of high-strength limiting screw rods 14;

[0030] At the same time, when the corrugated pipe 1 is installed, the corrugated pipe 1 can be placed between the two exhaust pipes 2, and the connecting seat 3 arranged at both ends of the corrugated pipe 1 is respectively sleeved outside the two exhaust pipes 2, and the clamping block 5 outside the exhaust pipe 2 is aligned with the L-shaped clamping groove 4 opened in the outer wall of the connecting seat 3, then one person pulls the two locking rods 7, and then the other person rotates the two connecting seats 3 clockwise, so that the clamping block 5 is rotated and clamped to the end of the L-shaped clamping groove 4, and then the locking rod 7 is released, at this time, the locking spring 9 is pressed against the block 8, the one end of the locking rod 7 is close to the second locking seat 16, and is inserted into the locking hole 17 opened on the surface of the second locking seat 16, so that the locking between the exhaust pipe 2 and the connecting seat 3 is completed, the structure can quickly and conveniently realize the limiting connection between the corrugated pipe 1 and the exhaust pipe 2, and the working principle of the asphalt ship safety control expansion joint is as above.

Claims

1. Asphalt tanker safety control expansion joint comprising a bellows (1), an exhaust pipe (2), characterized in that: The corrugated pipe (1) is respectively fixedly connected with connecting seats (3), the two connecting seats (3) are respectively sleeved outside the exhaust pipe (2), a plurality of clamping blocks (5) are arranged in a circular distribution on the outer wall of the exhaust pipe (2), a plurality of L-shaped clamping grooves (4) are arranged in a circular distribution on the outer wall of the connecting seat (3), and the clamping blocks (5) are clamped and connected to the ends of the L-shaped clamping grooves (4) arranged on the outer wall of the connecting seat (3), and the locking assembly is arranged between the exhaust pipe (2) and the outer wall of the connecting seat (3).

2. Asphalt tanker safety control expansion joint according to claim 1, characterized in that: The locking assembly comprises a first locking seat (6), a locking rod (7), a stop block (8), a locking spring (9), a second locking seat (16), the outer wall of the exhaust pipe (2) is fixedly welded with the second locking seat (16), the outer wall of the connecting seat (3) is fixedly welded with the first locking seat (6), the surface of the first locking seat (6) is movably provided with the locking rod (7), the outer wall of the locking rod (7) is fixedly connected with the stop block (8), the outer wall of the locking rod (7) is sleeved with the locking spring (9), and one end of the locking rod (7) is fixedly connected with a knob for pulling the locking rod (7).

3. The asphalt tanker safety control expansion joint of claim 2, wherein: The surface of the second locking seat (16) is provided with a locking hole (17), and one end of the locking rod (7) movably penetrates the locking hole (17) arranged on the surface of the second locking seat (16).

4. The asphalt tanker safety control expansion joint of claim 2, wherein: The locking spring (9) is located between the first locking seat (6) and the stop block (8), and the two ends of the locking spring (9) are fixedly connected with the first locking seat (6) and the stop block (8) respectively.

5. The asphalt tanker safety control expansion joint of claim 1, wherein: The inner wall of the connecting seat (3) is fixedly welded with a partition ring (10), and a sealing ring (11) for increasing the sealing property between the exhaust pipe (2) and the connecting seat (3) is arranged between the partition ring (10) and the exhaust pipe (2).

6. The asphalt tanker safety control expansion joint of claim 1, wherein: The outer wall of each connecting seat (3) is fixedly welded with a positioning protrusion (12), a plurality of extension blocks (13) are fixedly connected to the outer side of the positioning protrusion (12) in a circular distribution, a high-strength limiting screw (14) is threadedly arranged between two corresponding extension blocks (13), and a hexagonal fastening nut (15) is threadedly sleeved on the outer side of the high-strength limiting screw (14) and located on both sides of each extension block (13).

Citation Information

Patent Citations

  • Marine engine expansion joint

    CN216666871U