CN216131567U - Prestressed steel cylinder concrete pipe sealing joint - Google Patents
Prestressed steel cylinder concrete pipe sealing joint Download PDFInfo
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- CN216131567U CN216131567U CN202121370697.3U CN202121370697U CN216131567U CN 216131567 U CN216131567 U CN 216131567U CN 202121370697 U CN202121370697 U CN 202121370697U CN 216131567 U CN216131567 U CN 216131567U
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Abstract
The utility model discloses a prestressed steel cylinder concrete pipe sealing joint which comprises a pipe body, wherein a sealing plate is arranged at the upper end of the pipe body, a sealing joint ring is fixedly arranged in the middle of the bottom end of the sealing plate, expansion air grooves are formed in the periphery inside the sealing joint ring, a sealing expansion layer is arranged between the periphery outside the sealing joint ring and the inside of the expansion air grooves, a plurality of movable air grooves are formed in the periphery inside the sealing plate, and extrusion pistons are arranged at the bottom ends inside the movable air grooves. When the sealing plate and the sealing joint ring are installed between the upper end of the pipe body, the installation blocks are completely embedded and installed in the installation ports to be in butt joint, the limiting spring block is in butt joint with the limiting through hole to be fixed, and the friction force and the tightness of the limiting spring block in butt joint with the limiting through hole can be increased through the reaction force generated by extrusion of the installation spring.
Description
Technical Field
The utility model relates to the technical field of pipelines, in particular to a prestressed concrete cylinder pipe sealing joint.
Background
At present, in the concrete pouring process, pipe bodies with various purposes need to be embedded, pipe heads need to be sealed in the embedding process, the existing sealing joint is not good enough in sealing performance when being in contact with the pipe heads, and the leakage and blockage are easy to occur.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a prestressed concrete cylinder pipe sealing joint to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a prestressed steel cylinder concrete pipe sealing joint comprises a pipe body, wherein a sealing plate is arranged at the upper end of the pipe body, a sealing joint ring is fixedly arranged at the middle part of the bottom end of the sealing plate, expansion air grooves are formed in the periphery of the inside of the sealing joint ring, a sealing expansion layer is arranged between the periphery of the outside of the sealing joint ring and the inside of the expansion air grooves, a plurality of movable air grooves are formed in the periphery of the inside of the sealing plate, extrusion pistons are arranged at the bottom ends of the inside of the movable air grooves, connecting through holes are formed between the upper ends of the expansion air grooves and the upper end of one side of the inside of the expansion air grooves, an extrusion ring is arranged at the periphery of the upper end of the sealing plate, push rods are fixedly arranged at the periphery of the upper end of the extrusion ring, the upper ends of the push rods penetrate through the sealing plate and are fixedly connected with the bottom ends of the extrusion pistons, and an annular groove is formed at the periphery of the bottom end of the sealing plate and positioned right above the extrusion ring, and mounting springs are fixedly arranged between the outer lower end of the push rod and the inner upper end of the annular groove.
Preferably, the pipe body upper end all is fixed all around and is provided with the installation piece, the mounting opening has all been seted up directly over lieing in the installation piece around the closing plate bottom, spacing through-hole has all been seted up between the inside one side upper end of mounting opening and the closing plate outside all around, the installation piece all is provided with spacing spring block in the one side upper end of keeping away from the sealing joint ring.
Preferably, an installation notch is formed between the periphery of the outer part of the sealing joint ring and the inner part of the expansion air groove.
Preferably, the rubber layers are fixedly arranged in the limiting through holes between the sides far away from the mounting opening.
Preferably, a sealing layer is fixedly arranged between the bottom ends of the mounting extrusion rings, and a movable through hole is formed between the bottom end in the movable air groove and the upper end in the annular groove.
Preferably, the middle part of the upper end of the sealing plate is provided with a notch, and an operation block is fixedly arranged between the bottom ends inside the notch.
Compared with the prior art, the utility model has the beneficial effects that:
1. when the sealing plate is arranged at the upper end of the pipe body, the extrusion piston positioned at the bottom end in the movable gas groove is pushed to move upwards through the push rod, and gas in the movable gas groove is extruded into the expansion gas groove through the connecting through hole to expand, so that the sealing property and the attaching property of the sealing expansion layer when the sealing expansion layer is contacted with the periphery in the pipe body are improved, the sealing property between the sealing joint ring and the pipe body can be improved in the installation process, and the condition that the pipe body is blocked by leakage when concrete is poured is prevented;
2. when the sealing plate and the sealing joint ring are installed between the upper end of the pipe body, the installation blocks are completely embedded and installed in the installation holes to be in butt joint, the limiting spring block is in butt joint with the inside of the limiting through hole to be fixed, and the friction force and the tightness when the limiting spring block is in butt joint with the inside of the limiting through hole can be increased through the reaction force generated by extruding the installation spring.
Drawings
FIG. 1 is a schematic view of the overall structure of a prestressed concrete cylinder pipe sealing joint according to the present invention;
FIG. 2 is an enlarged structural view taken at A in FIG. 1 of a sealing joint for prestressed concrete cylinder pipes according to the present invention;
fig. 3 is a top view of the installation extrusion ring and the push rod in the sealing joint of the prestressed concrete cylinder pipe.
In the figure: 1. a pipe body; 2. a sealing plate; 3. a connecting through hole; 4. an operation block; 5. a movable air tank; 6. sealing the intumescent layer; 7. an expansion gas tank; 8. a sealing joint ring; 9. a squeeze piston; 10. an installation port; 11. a limiting through hole; 12. a limiting spring block; 13. mounting blocks; 14. installing an extrusion ring; 15. installing a spring; 16. a push rod; 17. an annular groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a prestressed steel cylinder concrete pipe sealing joint comprises a pipe body 1, wherein a sealing plate 2 is arranged at the upper end of the pipe body 1, a sealing joint ring 8 is fixedly arranged at the middle part of the bottom end of the sealing plate 2, expansion air grooves 7 are formed in the periphery inside the sealing joint ring 8, a sealing expansion layer 6 is arranged between the periphery outside the sealing joint ring 8 and the interior of the expansion air grooves 7, a plurality of movable air grooves 5 are formed in the periphery inside the sealing plate 2, extrusion pistons 9 are arranged at the bottom ends inside the movable air grooves 5, connecting through holes 3 are formed between the upper ends of the expansion air grooves 7 and the upper ends of one sides inside the expansion air grooves 7, an installation extrusion ring 14 is arranged at the periphery of the upper end of the sealing plate 2, push rods 16 are fixedly arranged at the periphery of the upper end of the installation extrusion ring 14, the upper ends of the push rods 16 penetrate through the sealing plate 2 and are fixedly connected with the bottom ends of the extrusion pistons 9, and an annular groove 17 is formed right above the installation extrusion ring 14 at the periphery of the bottom end of the sealing plate 2, and a mounting spring 15 is fixedly arranged between the outer lower end of the push rod 16 and the inner upper end of the annular groove 17.
The periphery of the upper end of the pipe body 1 is fixedly provided with an installation block 13, the periphery of the bottom end of the sealing plate 2 is provided with an installation opening 10 above the installation block 13, a limiting through hole 11 is arranged between the upper end of one side inside the installation opening 10 and the periphery of the outside of the sealing plate 2, the upper end of one side of the installation block 13 far away from the sealing joint ring 8 is provided with a limiting spring block 12, when the sealing plate 2 and the sealing joint ring 8 are installed between the upper ends of the pipe body 1, the installation block 13 is butted with the inside of the installation opening 10, when the mounting block 13 is completely embedded and mounted between the insides of the mounting openings 10, the limiting spring block 12 is butted with the inside of the limiting through hole 11, when the pipe body is disassembled, the limiting spring block 12 is pressed to limit the inner part of the through hole 11 to be separated, and then the sealing plate 2 and the sealing joint ring 8 are pulled to move away from one side of the pipe body 1 and are separated from the inner part of the pipe body 1 to be disassembled;
an installation notch is formed between the periphery of the outside of the sealing joint ring 8 and the inside of the expansion air groove 7, so that the sealing expansion layer 6 can be conveniently installed through the installation notch;
rubber layers are fixedly arranged between the sides, far away from the mounting opening 10, of the inside of the limiting through hole 11, so that the situation that the inside of the limiting through hole 11 is blocked when concrete is poured can be prevented through the rubber layers, and meanwhile, the rubber layers can be pressed to move towards one side of the inside of the limiting through hole 11 and contact with the limiting spring block 12 due to the elasticity of the rubber during disassembly;
a sealing layer is fixedly arranged between the bottom ends of the mounting extrusion rings 14, and a movable through hole is formed between the bottom end in the movable air groove 5 and the upper end in the annular groove 17, so that when the bottom ends of the mounting extrusion rings 14 are contacted with the upper end of the pipe body 1, the sealing property during contact can be improved through the sealing layer;
the middle part of the upper end of the sealing plate 2 is provided with a notch, an operation block 4 is fixedly arranged between the bottom ends inside the notch, and therefore when the sealing plate 2 and the sealing joint ring 8 are disassembled, the sealing plate 2 and the sealing joint ring 8 are directly pulled to move through the operation block 4 and are separated from the pipe body 1.
The working principle is as follows: when the sealing plate 1 is arranged at the upper end of the pipe body 1, the sealing joint ring 8 is in embedded butt joint with the inner upper end of the pipe body 1, and when the sealing plate 2 is pressed to move downwards, the extrusion piston 9 at the bottom end of the inner part of the movable air groove 5 is pushed to move upwards through the push rod 16, and the air in the inner part of the movable air groove 5 is extruded into the expansion air groove 7 through the connecting through hole 3, the sealing expansion layer 6 is expanded, so that the sealing performance and the attaching performance when the sealing expansion layer 6 is in contact with the periphery of the inner part of the pipe body 1 are improved, the sealing performance between the sealing joint ring 9 and the pipe body 1 can be improved in the installation process, the condition that the pipe body 1 is blocked by leakage when concrete is poured is prevented, and the installation block 13 is in butt joint with the inner part of the installation opening 10 when the sealing plate 2 and the sealing joint ring 8 are arranged between the upper end of the pipe body 1, when installing piece 13 complete gomphosis and installing between installing port 10 inside, will make spacing spring block 12 and the inside butt joint of spacing through-hole 11 to fix, when dismantling, press the inside separation of spacing through-hole 11 of spacing spring block 12 again, pull closing plate 2 and sealed joint ring 8 again and toward keeping away from body 1 one side and remove, and with the body 1 inside between the separation dismantle can, such structure operation is got up more swiftly.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a prestressing force steel cylinder concrete pipe sealing joint, includes body (1), its characterized in that: the sealing device is characterized in that a sealing plate (2) is arranged at the upper end of the pipe body (1), a sealing joint ring (8) is fixedly arranged in the middle of the bottom end of the sealing plate (2), expansion air grooves (7) are formed in the periphery of the inside of the sealing joint ring (8), a sealing expansion layer (6) is arranged between the periphery of the outside of the sealing joint ring (8) and the inside of the expansion air grooves (7), a plurality of movable air grooves (5) are formed in the periphery of the inside of the sealing plate (2), extrusion pistons (9) are arranged at the bottom ends of the inside of the movable air grooves (5), connecting through holes (3) are formed between the upper end of the expansion air grooves (7) and the upper end of one side of the inside of the expansion air grooves (7), an installation extrusion ring (14) is arranged on the periphery of the upper end of the sealing plate (2), push rods (16) are fixedly arranged on the periphery of the upper end of the installation extrusion ring (14), and the upper end of the push rods (16) penetrates through the sealing plate (2) to be fixedly connected with the bottom ends of the extrusion pistons (9), an annular groove (17) is formed in the periphery of the bottom end of the sealing plate (2) and is located right above the installation extrusion ring (14), and installation springs (15) are fixedly arranged between the outer lower end of the push rod (16) and the inner upper end of the annular groove (17).
2. The prestressed reinforced concrete cylinder pipe seal joint of claim 1, wherein: all fixed installation piece (13) that is provided with all around body (1) upper end, installing port (10) have all been seted up directly over being located installation piece (13) all around closing plate (2) bottom, spacing through-hole (11) have all been seted up between installing port (10) inside one side upper end and closing plate (2) outside all around, installation piece (13) all are provided with spacing spring block (12) in the one side upper end of keeping away from sealed joint ring (8).
3. The prestressed reinforced concrete cylinder pipe seal joint of claim 1, wherein: and an installation notch is formed between the periphery of the outside of the sealing joint ring (8) and the inside of the expansion air groove (7).
4. The prestressed reinforced concrete cylinder pipe seal joint of claim 2, wherein: and rubber layers are fixedly arranged in the limiting through holes (11) between the sides far away from the mounting port (10).
5. The prestressed reinforced concrete cylinder pipe seal joint of claim 1, wherein: a sealing layer is fixedly arranged between the bottom ends of the mounting extrusion rings (14), and a movable through hole is formed between the bottom end in the movable air groove (5) and the upper end in the annular groove (17).
6. The prestressed reinforced concrete cylinder pipe seal joint of claim 1, wherein: a notch is formed in the middle of the upper end of the sealing plate (2), and an operation block (4) is fixedly arranged between the bottom ends inside the notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121370697.3U CN216131567U (en) | 2021-06-21 | 2021-06-21 | Prestressed steel cylinder concrete pipe sealing joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121370697.3U CN216131567U (en) | 2021-06-21 | 2021-06-21 | Prestressed steel cylinder concrete pipe sealing joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216131567U true CN216131567U (en) | 2022-03-25 |
Family
ID=80766551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121370697.3U Active CN216131567U (en) | 2021-06-21 | 2021-06-21 | Prestressed steel cylinder concrete pipe sealing joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216131567U (en) |
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2021
- 2021-06-21 CN CN202121370697.3U patent/CN216131567U/en active Active
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