CN116989190A - High-quality sealing structure of passive building through-wall pipeline and construction method - Google Patents
High-quality sealing structure of passive building through-wall pipeline and construction method Download PDFInfo
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- CN116989190A CN116989190A CN202311157696.4A CN202311157696A CN116989190A CN 116989190 A CN116989190 A CN 116989190A CN 202311157696 A CN202311157696 A CN 202311157696A CN 116989190 A CN116989190 A CN 116989190A
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- wall
- glue injection
- gas
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- 238000007789 sealing Methods 0.000 title claims abstract description 80
- 238000010276 construction Methods 0.000 title claims abstract description 14
- 239000003292 glue Substances 0.000 claims abstract description 79
- 238000002347 injection Methods 0.000 claims abstract description 59
- 239000007924 injection Substances 0.000 claims abstract description 59
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000002788 crimping Methods 0.000 claims abstract description 3
- 229920001971 elastomer Polymers 0.000 claims description 35
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 12
- 239000004567 concrete Substances 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 10
- 230000004888 barrier function Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 6
- 239000004570 mortar (masonry) Substances 0.000 claims description 4
- 239000000565 sealant Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 238000009415 formwork Methods 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 239000010985 leather Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 10
- 230000000903 blocking effect Effects 0.000 abstract description 5
- 239000010408 film Substances 0.000 description 43
- 238000010586 diagram Methods 0.000 description 4
- 229920003225 polyurethane elastomer Polymers 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
- F16L5/02—Sealing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a high-quality sealing structure of a passive building through-wall pipeline and a construction method, comprising the following steps: the first pipe body is fixedly arranged on a reinforcing mesh of a wall body, a bearing platform is arranged on the inner side of the middle part of the first pipe body, a gas-insulating film and a connecting structure penetrating through the gas-insulating film are arranged on the bearing platform, a plugging piece is arranged on the inner wall of the end part of the first pipe body, a water stop ring, a glue injection port and an exhaust port are arranged on the outer ring wall of the first pipe body, unidirectional conduction structures are arranged at the positions of the exhaust port and the glue injection port, and threaded plugs are arranged at the positions of the glue injection port and the exhaust port; two groups of the second pipe body are respectively arranged in the corresponding ends of the first pipe body, a limiting ring is arranged on the outer ring wall of the second pipe body, a gas-barrier film is arranged in the limiting ring, and the two end parts of the second pipe body are suitable for being connected with the connecting structure and tightly press the gas-barrier film; the injected glue is suitable for extruding the blocking piece outwards and crimping and fixing the blocking piece in the limiting ring. The waterproof, heat-insulating and air-tightness effects are ensured through a plurality of sealing structures.
Description
Technical Field
The invention relates to a passive building construction technology, in particular to a high-quality sealing structure of a passive building wall-penetrating pipeline and a construction method.
Background
The passive house is an integrated building of various technical products, and the total of all consumed primary energy sources is not more than 120 kilowatt-hours/(square meter year) house by fully utilizing renewable energy sources. Such low energy consumption standards are achieved by high thermal and acoustic insulation, strong sealing of building exterior walls and renewable energy sources, so that a passive room requires good thermal insulation and air tightness.
When the passive building reinforced concrete shear wall is penetrated by a pipeline, holes are reserved on the wall, a sleeve is installed, and a polyurethane heat insulation layer is arranged between the sleeve and the pipeline. Such as CN 207796290U-prefabricated directly buried heat insulation pipeline waterproof sleeve and the like. The common point is that the construction poling is carried out after the wall structure is finished, so that the operation is complex, the integrity between the double-layer structures is poor, the waterproof heat-insulation air tightness effect is relatively poor, and meanwhile, the waterproof heat-insulation air tightness construction of the poling is complex and the sealing effect is poor after the wall is formed.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: how to solve the problem that the sealing effect is affected due to poor integrity caused by the structure of filling holes and then penetrating pipes.
In order to solve the technical problems, the inventor obtains the technical scheme of the invention through practice and summary, and the invention adopts the following technical scheme:
high-quality seal structure of passive building through-wall pipeline includes:
the pipe body I is fixedly arranged on a reinforcing mesh of a wall body, a bearing platform is arranged on the inner side of the middle part of the pipe body I, a gas-insulating film and a connecting structure penetrating through the gas-insulating film are arranged on the bearing platform, a plugging piece is arranged on the inner wall of the end part of the pipe body I, a water stop ring, a glue injection port and an air outlet are arranged on the outer ring wall of the pipe body I, unidirectional conduction structures are arranged at the air outlet and the glue injection port, each unidirectional conduction structure comprises two thin films which are mutually adsorbed through static electricity, the unidirectional conduction structure of the glue injection port is suitable for unidirectional glue injection to the inside of the pipe body I, the unidirectional conduction structure of the air outlet is suitable for outward discharge and reverse plugging of the internal gas during glue injection, and screw plugs are arranged at the glue injection port and the air outlet;
the second pipe body is provided with two groups of limiting rings which are respectively arranged in the corresponding ends of the first pipe body, limiting rings are arranged on the outer ring wall of the second pipe body, gas-barrier films are arranged in the limiting rings, and the two end parts of the second pipe body are suitable for being connected with the connecting structure and tightly press the gas-barrier films;
the injected glue is suitable for extruding the blocking piece outwards and crimping and fixing the blocking piece in the limiting ring.
Preferably, the inner wall of the first pipe body is provided with a mounting ring, the mounting ring is internally provided with a gas-barrier film, the sealing piece comprises a mounting piece and a rubber, the mounting piece is suitable for sealing and mounting the rubber inside the mounting ring, the rubber is of a circular truncated cone-shaped structure, the ring is provided with a sealing ring, and the sealing ring is suitable for entering the limiting ring after glue injection and is in sealing connection with the second pipe body.
Preferably, be provided with the joint ring on the outer wall of body two, the mounting is including installing a plurality of joint bodies that are circumference annular and lay in the joint ring and being suitable for the support bar of connecting two adjacent joint bodies, the joint body includes internal support body, middle part supporter and external support body, the internal support body is connected fixedly with the external support body respectively at middle part supporter both ends, the middle part supporter is suitable for adjusting the interval between internal support body and the external support body, the internal support body is suitable for installing in the joint ring, be provided with the spout in the external support body, movable mounting round pin axle in the spout, the round pin axle is installed in the support bar tip.
Preferably, the middle support body comprises an adjusting screw sleeve and screws positioned at two ends of the adjusting screw sleeve, the two screws are respectively connected and fixed with the inner support body and the outer support body, and the adjusting screw sleeve is suitable for adjusting the distance between the two screws.
Preferably, the connection structure is including installing the connector on the cushion cap, and body both ends are provided with the spread groove that is suitable for the connection connector, and the one end of the gas barrier film that stretches out of connector is provided with big head, and the spread groove tip is provided with and connects big mouth and connect the osculum, connects big mouth and big head adaptation, connects osculum and connector adaptation, and the spread groove inboard is provided with slope structure, and slope structure is suitable for getting into and connects big head area body two inside big mouth and gradually is close to the cushion cap and compress tightly the gas barrier film.
Preferably, the cross section of the limiting ring is of an outer narrow inner wide structure, and the height of the air outlet is higher than that of the glue injection port.
Preferably, a plurality of guide holes which are parallel to two axes of the pipe body are formed in the inner support body, guide rods are arranged in the guide holes, the end parts of the guide rods are connected with sliding sleeves in a threaded mode, springs are sleeved on the outer sides of the guide rods between the sliding sleeves and the inner support body, and the sliding sleeves are suitable for pushing the sealing rings from outside to inside.
Preferably, the clamping ring is provided with a sinking groove suitable for mounting the internal supporting body.
Preferably, a hook body is arranged on the outer side of the first pipe body, and the length of the hook body is adjustable.
The construction method of the high-quality sealing structure of the passive building through-wall pipeline comprises the following construction steps:
step one: pipe body one installation
After the binding of the reinforcing mesh is completed, a first pipe body is installed through a hook body, at least three hook bodies are arranged, at least two groups of hook bodies are distributed along the axis direction, the first pipe body is connected with nearby reinforcing steel bars through adjusting the length of the hook bodies and fixed at a designed position through binding wires or welding, a gas-insulating film is installed on a mounting ring on the first pipe body, a sealing gasket and the gas-insulating film are installed on a bearing platform, and the large head of a connector is exposed out of the gas-insulating film;
step two: pipe body II assembling and installing
The outer side of the second pipe body is sleeved with a sliding sleeve and a rubber skin, the sealing ring is positioned on one side, close to the bearing platform, of the limiting ring, the sliding sleeve is attached to the outer side of the sealing ring, an internal support body is arranged in a sinking groove on the clamping ring, the limiting ring and the sliding sleeve are tightly pressed, and the guide rod and the sliding sleeve are fixedly connected through threads;
the second pipe body is inserted and installed along the axial direction of the first pipe body, the big head and the connecting big mouth are aligned and matched and rotate for a certain angle, the two end parts of the second pipe body press the gas-barrier film on the bearing platform, meanwhile, the clamping body and the mounting ring are coplanar, the outer support body is gradually moved outwards and the support bar synchronously move through the adjusting screw sleeve of the middle support body, the pressure-bonded rubber is arranged in the mounting ring, and the gas-barrier film is installed in the limiting ring;
step three: glue injection plugging
Pressureless glue injection: the glue injection port is externally connected with glue injection equipment to perform glue injection treatment to the inside, a film piece of the air outlet is positioned at the outer side of the first pipe body, glue is gradually injected to the inside to fill the internal cavity, the cavity is formed by enclosing a rubber skin outer wall, a first pipe body inner wall, a second pipe body outer wall and a gas-insulated film on a bearing platform, and when polyurethane glue overflows in the film piece of the air outlet, the inner glue is cleaned, the film piece is reversely pushed into the first pipe body and the air outlet is plugged by a threaded plug;
pressure glue injection: continuously and slowly injecting the rubber into the inner part, gradually pushing the rubber skin to the outer drum by the inner polyurethane rubber, forcing the sealing ring to gradually move outwards under the action of the sliding sleeve, and releasing the tensioning degree of the sealing ring into the limiting ring and expanding the limiting ring to compress the gas-barrier film at the limiting ring when the sealing ring moves to the limiting ring, so that the rubber injection is stopped;
step four: insulation layer and formwork installation
And (3) installing an insulating layer: installing an insulating layer on the outer side of the reinforcing mesh, forming holes on the insulating layer corresponding to the two parts of the outer side pipe body, and smearing sealant in the holes;
and (3) installing a template: the heat insulation layer is provided with a template outside and in the reinforcing steel bar net, the inner template and the outer template are fixedly arranged through split bolts, a hole opening is reserved on the inner template and the outer template for a second pipe body to protrude out, a plugging ring is arranged at the hole opening, the plugging ring is arranged on the templates through bolts, the plugging ring is suitable for preventing the hole opening from leaking concrete mortar, and one end of the pipe body is positioned in the reinforcing steel bar protection layer;
step five: pouring and demolding
And pouring concrete, and performing vibration treatment while pouring, and removing the inner and outer templates after the concrete reaches the design strength.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, sealing treatment of a double-layer structure is completed before pore forming, the sealing cavity is filled with injected glue, the injected glue is utilized to enable the sealing hoop on the sealing hoop to be expanded in the limiting ring and ensure waterproof, heat-insulating and air-tightness effects through the air-isolating film (preferably waterproof and air-isolating film), the integrity of the double-layer structure is improved, and the sealing effect is ensured. And a plurality of sealing structures are completed through the compaction of a plurality of air-isolating films and corresponding structures, so that the waterproof, heat-insulating and air-tightness effects are ensured.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a cross-sectional view of the overall structure of the present invention;
FIG. 4 is a cross-sectional view of a second tube according to the present invention;
FIG. 5 is a side view of a tubular body portion of the present invention;
FIG. 6 is a schematic view of the whole structure of a connecting groove of two end parts of a pipe body according to the present invention;
FIG. 7 is a working condition diagram of the construction of the wall-through pipeline sealing structure in the invention;
FIG. 8 is a schematic diagram of the structure of the glue injection port and the air vent after the glue injection is completed;
FIG. 9 is a schematic diagram of the structure of the present invention before pressure injection of the glue injection port and the air exhaust port;
FIG. 10 is a cross-sectional view of the overall structure of a first tubular body of the present invention;
FIG. 11 is a structural side view of the mount of the present invention;
fig. 12 is a schematic view of the structure of the support bar and the external support body.
In the figure:
10. a first pipe body; 11. bearing platform; 12. a water stop ring; 13. a glue injection port; 14. an exhaust port; 15. a unidirectional conductive structure; 16. a threaded plug; 17. a connection structure; 171. a connector; 18. a mounting ring;
20. a second pipe body; 21. a limiting ring; 22. a clamping ring; 23. a connecting groove; 231. connecting a large opening; 232. connecting the small openings; 233. a ramp structure;
30. a mounting member; 31. a support bar; 32. an inner support; 321. a guide hole; 322. a guide rod; 323. a sliding sleeve; 324. a spring; 33. a middle support; 331. adjusting the screw sleeve; 332. a screw; 34. an outer support; 35. a chute;
40. rubber leather; 41. a seal ring;
50. and (5) hooking the body.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Embodiment 1, a high quality seal structure for a passive building through-wall pipe, comprising:
the pipe body I10, the outside of pipe body I10 is provided with the hook body 50, the length of hook body 50 is adjustable, pipe body I10 is through hook body 50 fixed mounting on the reinforcing bar that is close to in the wall body reinforcing bar net, the middle part inboard of pipe body I10 is provided with the cushion cap 11, install the air barrier membrane on the cushion cap 11 and run through the connection structure 17 of air barrier membrane, connection structure 17 is including installing the connector 171 on the cushion cap 11, the one end of connector 171's protrusion air barrier membrane is provided with big head, be provided with collar 18 on the inner wall that pipe body I10 is close to the port, and install the air barrier membrane in the collar 18.
The sealing piece is installed on the inner wall of the end part of the first pipe body 10, the sealing piece comprises a mounting piece 30 and a rubber sheet 40, the mounting piece 30 is suitable for sealing and mounting the rubber sheet 40 in the mounting ring 18, the rubber sheet 40 is of a truncated cone-shaped structure, and a sealing ring 41 is arranged on the ring. The mounting piece 30 comprises a plurality of clamping bodies which are arranged in the clamping ring 22 in a circumferential annular manner and support bars 31 which are suitable for connecting two adjacent clamping bodies, wherein each clamping body comprises an inner support body 32, a middle support body 33 and an outer support body 34, the inner support bodies 32 and the outer support bodies 34 are respectively connected and fixed at two ends of the middle support body 33, the middle support body 33 is suitable for adjusting the distance between the inner support bodies 32 and the outer support bodies 34, the middle support body 33 comprises an adjusting screw sleeve 331 and screw rods 332 which are positioned at two ends of the adjusting screw sleeve 331, the two screw rods 332 are respectively connected and fixed with the inner support bodies 32 and the outer support bodies 34, and the adjusting screw sleeve 331 is suitable for adjusting the distance between the two screw rods 332.
The outer ring wall of the first pipe body 10 is provided with a water stop ring 12, a glue injection port 13 and an air exhaust port 14, unidirectional conduction structures 15 are arranged at the air exhaust port 14 and the glue injection port 13, each unidirectional conduction structure 15 comprises two film pieces which are mutually adsorbed by static electricity, the unidirectional conduction structures 15 of the glue injection port 13 are suitable for unidirectional glue injection to the inside of the first pipe body 10, the unidirectional conduction structures 15 of the air exhaust port 14 are suitable for external exhaust and reverse blocking of internal gas during glue injection, and threaded plugs 16 are arranged at the air exhaust port 14 and the air injection port 13. The height of the air outlet 14 is higher than that of the glue injection port 13.
The pipe body II 20 is provided with two groups of pipes which are respectively arranged in the corresponding ends of the pipe body I10, the outer ring wall of the pipe body II 20 is provided with a limiting ring 21, the limiting ring 21 is internally provided with a gas-barrier film, the cross section of the limiting ring 21 is of an outer narrow inner wide structure, the end part of the pipe body II 20 is provided with a connecting groove 23 which is suitable for being connected with a connector 171, the end part of the connecting groove 23 is provided with a large connecting opening 231 and a small connecting opening 232, the large connecting opening 231 is matched with the large connecting opening 232 and the connector 171, the inner side of the connecting groove 23 is provided with a slope structure 233, and the slope structure 233 is suitable for enabling the large connecting opening 231 to enter the large connecting opening and bringing the pipe body II 20 to gradually approach the bearing platform 11 and tightly pressing the gas-barrier film.
The outer wall of the second pipe body 20 is provided with a clamping ring 22, the clamping ring 22 is provided with a sinking groove suitable for installing the inner support body 32, the inner support body 32 is suitable for being installed in the sinking groove of the clamping ring 22, the outer support body 34 is internally provided with a sliding groove 35, a pin shaft is movably installed in the sliding groove 35, and the pin shaft is installed at the end part of the supporting bar 31.
The injected glue is suitable for extruding the plugging piece outwards and pressing and fixing the sealing ring 41 of the rubber sheet 40 of the plugging piece in the limiting ring 21, and the sealing ring 41 is suitable for entering the limiting ring 21 after the glue is injected and is in sealing connection with the second pipe body 20.
When in use:
firstly, fixedly mounting a first pipe body 10 and nearby reinforcing steel bars by adjusting the length of a hook body 50, wherein the fixed mounting mode can be welding or wire tying, at least three hook bodies 50 are circumferentially arranged, and at least two groups are distributed along the axial direction;
secondly, sleeving a sliding sleeve 323 and a rubber sheet 40 on the outer side of the second mounting pipe body 20, moving to the side, close to the bearing platform 11, of the sealing ring 41 of the second mounting pipe body, mounting the inner support body 32 in a sinking groove on the clamping ring 22, compressing the limiting ring 21, inserting the second mounting pipe body 20 along the axial direction of the first pipe body 10, aligning and adapting the large head part and the large connecting opening 231, rotating for a certain angle, and compressing the air-isolating film on the bearing platform 11 on the end part of the second pipe body 20;
at this time, the clamping body and the mounting ring 18 are coplanar, the outer support body 34 is gradually moved outwards and the support bars 31 synchronously move through adjusting the adjusting screw sleeve 331 of the middle support body 33, the rubber sheet 40 is pressed in the mounting ring 18, and the air-isolating film is arranged in the limiting ring 21;
thirdly, the glue injection port 13 is externally connected with glue injection equipment to perform quick glue injection treatment to the inside, a film piece of the air outlet 14 is positioned at the outer side of the first pipe body 10 during glue injection, the inside is gradually injected with glue to fill an internal cavity, the cavity is formed by enclosing a rubber skin 40 outer wall, the first pipe body 10 inner wall, a second pipe body 20 outer wall and a gas-insulated film on a bearing platform 11, when polyurethane glue overflows in the film piece of the air outlet 14, the inside glue is cleaned, the film piece is reversely pushed into the first pipe body 10, and the air outlet 14 is plugged by a threaded plug 16;
slowly injecting the rubber into the inside, gradually pushing the rubber sheet 40 to be outwards bulged by the polyurethane rubber in the inside, gradually moving the sealing ring 41 outwards under pressure, releasing the tensioning degree of the sealing ring 41 into the limiting ring 21 when moving to the limiting ring 21, expanding the sealing ring 21 and compressing the gas barrier film at the limiting ring 21, stopping injecting the rubber, and sealing the rubber injection port 13 by the threaded plug 16;
and (3) installing an insulating layer: installing an insulating layer on the outer side of the reinforcing mesh, forming an opening at the position, corresponding to the second 20 parts of the outer side pipe body, on the insulating layer, and smearing sealant in the opening;
and (3) installing a template: the outer side of the heat preservation layer and the inside of the reinforcing steel bar net are provided with templates, the inner template and the outer template are fixedly arranged through split bolts, a hole opening is reserved on the inner template and the outer template for the second pipe body 20 to extend out, a plugging ring is arranged at the hole opening, the plugging ring is arranged on the templates through bolts, the plugging ring is suitable for preventing the hole opening from leaking concrete mortar, and the end part of the first pipe body 10 is positioned in the reinforcing steel bar protection layer;
and pouring concrete, and performing vibration treatment while pouring, and removing the inner and outer templates after the concrete reaches the design strength.
Example 2 the following modifications were made on the basis of the above examples: the inner support bodies 32 are provided with guide holes 321 which are parallel to the axis of the second pipe body 20, guide rods 322 are arranged in the guide holes 321, the end parts of the guide rods 322 are connected with sliding sleeves 323 in a threaded mode, springs 324 are sleeved on the outer sides of the guide rods 322 between the sliding sleeves 323 and the inner support bodies 32, and the sliding sleeves 323 are suitable for pushing the sealing rings 41 from outside to inside.
The sealing ring 41 can be limited in position during glue injection through the arrangement of the sliding sleeve 323, deformation or dislocation of the sealing ring 41 is prevented from being caused, glue leakage is prevented, meanwhile, the rear side of the sliding sleeve 323 is flexibly supported, and further the sealing ring 41 can be synchronously moved outwards under the action of certain pressure, and the structural stability of the sealing ring 41 in the outwards moving process is ensured.
The construction method of the high-quality sealing structure of the passive building through-wall pipeline comprises the following construction steps:
step one: pipe body one 10 is installed
After the binding of the reinforcing mesh is completed, a first pipe body 10 is installed through a hook body 50, at least three hook bodies 50 are arranged, at least two groups of hook bodies are distributed along the axis direction, the first pipe body 10 is connected through adjusting the length of the hook bodies 50 and nearby reinforcing steel bars and fixed at a designed position through binding wires or welding, a gas-barrier film is installed on an installation ring 18 on the first pipe body 10, a sealing gasket and the gas-barrier film are installed on a bearing platform 11, and the large head of a connector 171 is exposed out of the gas-barrier film;
step two: assembly and installation of second pipe body 20
The outer side of the second pipe body 20 is sleeved with a sliding sleeve 323 and a rubber 40, a sealing ring 41 is positioned on one side of a limiting ring 21, which is close to a bearing platform 11, the sliding sleeve 323 is attached to the outer side of the sealing ring 41, an inner supporting body 32 is arranged in a sinking groove on a clamping ring 22, the limiting ring 21 and the sliding sleeve 323 are tightly pressed, and a guide rod 322 and the sliding sleeve 323 are fixedly connected through threads;
the second pipe body 20 is inserted and installed along the axial direction of the first pipe body 10, the large head and the large connecting opening 231 are aligned and matched and rotate for a certain angle, the end part of the second pipe body 20 presses the air-isolating film on the bearing platform 11, meanwhile, the clamping body and the mounting ring 18 are coplanar, the outer supporting body 34 is gradually moved outwards through adjusting the adjusting screw sleeve 331 of the middle supporting body 33, the supporting bar 31 synchronously moves, the rubber 40 is pressed in the mounting ring 18, and the air-isolating film is installed in the limiting ring 21;
step three: glue injection plugging
Pressureless glue injection: the glue injection port 13 is externally connected with glue injection equipment to perform glue injection treatment to the inside, a film piece of the air outlet 14 is positioned at the outer side of the first pipe body 10 during glue injection, glue is gradually injected to the inside to fill an internal cavity, the cavity is formed by enclosing a rubber skin 40, the inner wall of the first pipe body 10, the outer wall of the second pipe body 20 and a gas-barrier film on a bearing platform 11, when polyurethane glue overflows in the film piece of the air outlet 14, the internal glue is cleaned, the film piece is reversely pushed into the first pipe body 10, and the air outlet 14 is blocked by a thread plug 16;
pressure glue injection: slowly injecting the rubber into the inside, gradually pushing the rubber sheet 40 to be outwards bulging by the polyurethane rubber in the inside, forcing the sealing ring 41 to gradually outwards move under the action of the sliding sleeve 323, releasing the tensioning degree of the sealing ring 41 into the limiting ring 21 when the sealing ring is moved to the limiting ring 21, expanding the sealing ring 21 and compressing the gas-barrier film at the limiting ring 21, stopping injecting the rubber, and sealing the rubber injection port 13 by the threaded plug 16;
step four: insulation layer and formwork installation
And (3) installing an insulating layer: installing an insulating layer on the outer side of the reinforcing mesh, forming an opening at the position, corresponding to the second 20 parts of the outer side pipe body, on the insulating layer, and smearing sealant in the opening;
and (3) installing a template: the outer side of the heat preservation layer and the inside of the reinforcing steel bar net are provided with templates, the inner template and the outer template are fixedly arranged through split bolts, a hole opening is reserved on the inner template and the outer template for the second pipe body 20 to extend out, a plugging ring is arranged at the hole opening, the plugging ring is arranged on the templates through bolts, the plugging ring is suitable for preventing the hole opening from leaking concrete mortar, and the end part of the first pipe body 10 is positioned in the reinforcing steel bar protection layer;
step five: pouring and demolding
And pouring concrete, and performing vibration treatment while pouring, and removing the inner and outer templates after the concrete reaches the design strength.
According to the invention, sealing treatment of a double-layer structure is completed before pore forming, the sealing cavity is filled with injected glue, the injected glue is utilized to enable the sealing hoop on the sealing hoop to be expanded in the limiting ring and ensure waterproof, heat-insulating and air-tightness effects through the air-isolating film (preferably waterproof and air-isolating film), the integrity of the double-layer structure is improved, and the sealing effect is ensured. And a plurality of sealing structures are completed through the compaction of a plurality of air-isolating films and corresponding structures, so that the waterproof, heat-insulating and air-tightness effects are ensured.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto. The substitutions may be partial structures, devices, or method steps, or may be a complete solution. The technical proposal and the invention concept are equivalent to or changed in accordance with the invention, and the invention is covered in the protection scope of the invention.
Claims (10)
1. High-quality seal structure of passive building through-wall pipeline, its characterized in that includes:
the pipe body I (10), pipe body I (10) is fixedly installed on the reinforcing mesh of the wall body, the middle inner side of pipe body I (10) is provided with a bearing platform (11), the bearing platform (11) is provided with a gas barrier film and a connecting structure (17) penetrating through the gas barrier film, the inner wall of the end part of pipe body I (10) is provided with a plugging piece, the outer ring wall of pipe body I (10) is provided with a water stop ring (12), a glue injection port (13) and an air vent (14), unidirectional conduction structures (15) are installed at the air vent (14) and the glue injection port (13), the unidirectional conduction structures (15) comprise two film pieces which are mutually adsorbed by static electricity, the unidirectional conduction structures (15) of the glue injection port (13) are suitable for unidirectional glue injection to the inside of pipe body I (10), the unidirectional conduction structures (15) of the air vent (14) are suitable for external discharge and reverse plugging of internal gas during glue injection, and screw plugs (16) are installed at the positions of the glue injection port (13) and the air vent (14);
the pipe body II (20) is provided with two groups of pipes which are respectively arranged in the corresponding ends of the pipe body I (10), the outer ring wall of the pipe body II (20) is provided with a limiting ring (21), the limiting ring (21) is internally provided with a gas-barrier film, and the end part of the pipe body II (20) is suitable for being connected with the connecting structure (17) and compacting the gas-barrier film;
the injected glue is adapted to press the closure member outwards and to press-fix the closure member in the stop collar (21).
2. The high-quality sealing structure of the passive building through-wall pipeline according to claim 1, wherein a mounting ring (18) is arranged on the inner wall of the first pipe body (10), a gas-barrier film is arranged in the mounting ring (18), the sealing piece comprises a mounting piece (30) and a rubber cover (40), the mounting piece (30) is suitable for sealing the rubber cover (40) inside the mounting ring (18), the rubber cover (40) is of a circular truncated cone-shaped structure, a sealing ring (41) is arranged on the ring, and the sealing ring (41) is suitable for entering the limiting ring (21) after glue injection and is in sealing connection with the second pipe body (20).
3. The passive building through-wall pipeline high-quality sealing structure according to claim 2, wherein a clamping ring (22) is arranged on the outer wall of the second pipe body (20), the mounting piece (30) comprises a plurality of clamping bodies which are circumferentially and annularly arranged in the clamping ring (22) and supporting strips (31) which are suitable for connecting two adjacent clamping bodies, the clamping bodies comprise an inner supporting body (32), a middle supporting body (33) and an outer supporting body (34), two ends of the middle supporting body (33) are respectively connected and fixed with the inner supporting body (32) and the outer supporting body (34), the middle supporting body (33) is suitable for adjusting the distance between the inner supporting body (32) and the outer supporting body (34), the inner supporting body (32) is suitable for being mounted in the clamping ring (22), sliding grooves (35) are formed in the outer supporting body (34), pin shafts are movably mounted in the sliding grooves (35), and the pin shafts are mounted at the ends of the supporting strips (31).
4. A passive construction through-wall pipe high quality sealing structure according to claim 3, characterized in that the middle support body (33) comprises an adjusting screw sleeve (331) and screws (332) at two ends of the adjusting screw sleeve (331), the two screws (332) are respectively connected and fixed with the inner support body (32) and the outer support body (34), and the adjusting screw sleeve (331) is suitable for adjusting the distance between the two screws (332).
5. The passive building through-wall pipeline high-quality sealing structure according to claim 1, wherein the connecting structure (17) comprises a connector (171) mounted on the bearing platform (11), a connecting groove (23) suitable for being connected with the connector (171) is formed in the end portion of the second pipe body (20), a large head portion is arranged at one end of the connector (171) protruding out of the gas-barrier membrane, a large connecting opening (231) and a small connecting opening (232) are formed in the end portion of the connecting groove (23), the large connecting opening (231) is matched with the large head portion, the small connecting opening (232) is matched with the connector (171), a slope structure (233) is arranged on the inner side of the connecting groove (23), and the slope structure (233) is suitable for enabling the second large head portion belt pipe body (20) entering the large connecting opening (231) to gradually approach the bearing platform (11) and compress the gas-barrier membrane.
6. The high-quality sealing structure of the passive building through-wall pipeline according to claim 5, wherein the cross section of the limiting ring (21) is of an outer narrow inner wide structure, and the height of the air outlet (14) is higher than that of the glue injection port (13).
7. The high-quality sealing structure of the passive building through-wall pipeline according to claim 6, wherein a plurality of guide holes (321) which are parallel to the axis of the second pipe body (20) are formed in the inner supporting bodies (32), guide rods (322) are arranged in the guide holes (321), sliding sleeves (323) are connected to the end portions of the guide rods (322) in a threaded mode, springs (324) are sleeved on the outer sides of the guide rods (322) between the sliding sleeves (323) and the inner supporting bodies (32), and the sliding sleeves (323) are suitable for pushing sealing rings (41) from outside to inside.
8. The high-quality sealing structure of a passive building through-wall pipeline according to claim 7, wherein the clamping ring (22) is provided with a sink groove suitable for mounting an internal support body (32).
9. The high-quality sealing structure of the passive building through-wall pipeline according to claim 1, wherein a hook body (50) is arranged on the outer side of the first pipe body (10), and the length of the hook body (50) is adjustable.
10. The construction method of the high-quality sealing structure of the passive building through-wall pipeline is characterized by comprising the following construction steps:
step one: pipe body one (10) installation
After the binding of the reinforcing mesh is finished, a first pipe body (10) is installed through a hook body (50), at least three hook bodies (50) are arranged, at least two groups of hook bodies are distributed along the axis direction, the first pipe body (10) is connected and fixed at a designed position through binding wires or welding by adjusting the length of the hook bodies (50) and nearby reinforcing steel bars, a gas-barrier film is installed on an installation ring (18) on the first pipe body (10), a sealing gasket and the gas-barrier film are installed on a bearing platform (11), and the large head part of a connector (171) is exposed out of the gas-barrier film;
step two: assembling and mounting of second pipe body (20)
A sliding sleeve (323) and a rubber sheet (40) are sleeved on the outer side of the second pipe body (20), a sealing ring (41) is positioned on one side, close to the bearing platform (11), of the limiting ring (21), the sliding sleeve (323) is attached to the outer side of the sealing ring (41), an internal supporting body (32) is arranged in a sinking groove on the clamping ring (22), the limiting ring (21) and the sliding sleeve (323) are tightly pressed, and the guide rod (322) and the sliding sleeve (323) are fixedly connected through threads;
the second pipe body (20) is inserted and installed along the axial direction of the first pipe body (10), the big head and the connecting big opening (231) are aligned and matched and rotate for a certain angle, the end part of the second pipe body (20) is tightly pressed against the air-isolating film on the bearing platform (11), meanwhile, the clamping body and the mounting ring (18) are coplanar, the outer supporting body (34) is gradually moved outwards through the adjusting screw sleeve (331) of the middle supporting body (33), the supporting bar (31) synchronously moves, the crimping rubber sheet (40) is arranged in the mounting ring (18), and the air-isolating film is installed in the limiting ring (21);
step three: glue injection plugging
Pressureless glue injection: the glue injection port (13) is externally connected with glue injection equipment to perform glue injection treatment to the inside, a film piece of the air outlet (14) is positioned at the outer side of the first pipe body (10) during glue injection, the inside is filled with glue gradually, the cavity is formed by enclosing a rubber cover (40) outer wall, the first pipe body (10) inner wall, the second pipe body (20) outer wall and a gas-barrier film on the bearing platform (11), when the polyurethane glue in the film piece of the air outlet (14) overflows, the inside glue is cleaned, the film piece is reversely pushed into the first pipe body (10) in a pushing mode, and the air outlet (14) is blocked by a threaded plug (16);
pressure glue injection: continuously injecting glue slowly to the inside, gradually pushing the rubber leather (40) to bulge outwards by the polyurethane glue in the inside, forcing the sealing ring (41) to move outwards gradually under the action of the sliding sleeve (323), releasing the tensioning degree of the sealing ring (41) into the limiting ring (21) and expanding in the limiting ring (21) to compress the gas-barrier film at the limiting ring (21), and stopping injecting glue;
step four: insulation layer and formwork installation
And (3) installing an insulating layer: installing an insulating layer on the outer side of the reinforcing mesh, forming an opening at the position, corresponding to the second outer side pipe body (20), on the insulating layer, and smearing sealant in the opening;
and (3) installing a template: the outside of the heat preservation layer and the inside of the reinforcing steel bar net are provided with templates, the inner template and the outer template are fixedly arranged through split bolts, a hole opening is reserved on the inner template and the outer template for the second pipe body (20) to extend out, a plugging ring is arranged at the hole opening, the plugging ring is arranged on the templates through bolts, the plugging ring is suitable for preventing the hole opening from leaking concrete mortar, and the end part of the first pipe body (10) is positioned in the reinforcing steel bar protection layer;
step five: pouring and demolding
And pouring concrete, and performing vibration treatment while pouring, and removing the inner and outer templates after the concrete reaches the design strength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311157696.4A CN116989190A (en) | 2023-09-08 | 2023-09-08 | High-quality sealing structure of passive building through-wall pipeline and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311157696.4A CN116989190A (en) | 2023-09-08 | 2023-09-08 | High-quality sealing structure of passive building through-wall pipeline and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116989190A true CN116989190A (en) | 2023-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311157696.4A Pending CN116989190A (en) | 2023-09-08 | 2023-09-08 | High-quality sealing structure of passive building through-wall pipeline and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116989190A (en) |
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2023
- 2023-09-08 CN CN202311157696.4A patent/CN116989190A/en active Pending
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