CN217204526U - Floor drain waterproof structure in subway main structure - Google Patents
Floor drain waterproof structure in subway main structure Download PDFInfo
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- CN217204526U CN217204526U CN202121066717.8U CN202121066717U CN217204526U CN 217204526 U CN217204526 U CN 217204526U CN 202121066717 U CN202121066717 U CN 202121066717U CN 217204526 U CN217204526 U CN 217204526U
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- rubber ring
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Abstract
The utility model discloses a floor drain waterproof construction among subway major structure, including the floor drain main part with have the structural slab of mounting hole, the floor drain main part passes through concrete casting body sealing installation in the mounting hole, and concrete casting body and floor drain main part are equipped with the stagnant water rubber ring of meeting water inflation all around between the lateral wall, and the upper surface of structural slab and concrete casting body is equipped with the overburden, and overburden and floor drain main part are equipped with the sealed ring of gluing all around between the lateral wall. The utility model has the advantages of water proof sealing is effectual, water proof sealing reliability is high, long service life.
Description
Technical Field
The utility model relates to an underground building engineering technical field, concretely relates to floor drain waterproof construction among subway major structure.
Background
The construction of the subway station needs to invest a large amount of capital, the service life of the subway station is long, and the subway station has close relation with the daily life of residents, so that the function of the subway station is valued in various aspects, and particularly for the construction of waterproof facilities, the subway station needs to be fully designed, the waterproof performance is good, and the quality and the service life of the subway are guaranteed. Different from the construction engineering on the ground, the subway engineering is carried out underground due to the main structure, and has high requirements on the waterproofness of the station structure in order to meet the requirements on usability and durability.
The parts of the subway with water leakage are generally mainly concentrated on weak parts of the structure, such as construction joints, induction joints, concrete structure cracks, concrete defect parts, temperature shrinkage cracks, embedded bolt holes and the like. At present, when a floor drain in a subway main structure is installed, a cylindrical installation hole is vertically arranged on a structural plate, the floor drain is placed in the installation hole, then fine aggregate concrete is poured between the floor drain and the wall of the installation hole, the floor drain is fixed in the installation hole after the fine aggregate concrete is solidified, sealing is formed by bonding the fine aggregate concrete with the floor drain and the wall of the installation hole, and a water stop rubber ring is arranged between the floor drain and the fine aggregate concrete in occasions with high sealing requirements. This kind of installation and waterproof sealing structure adopt single sealed form, and sealed effect is relatively poor, and the connecting joint between the floor drain after the pea gravel concreten solidifies directly exposes outside, and this connecting joint is easy just ftractureed in the short time, leads to stagnant water rubber ring life-span to shorten, and then shortens whole waterproof sealing structure's life.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the not enough of prior art existence, provide a floor drain waterproof construction among subway major structure that waterproof sealing is effectual, waterproof sealing reliability is high, long service life.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the floor drain waterproof structure comprises a floor drain main body and a structural plate with a mounting hole, wherein the floor drain main body is mounted in the mounting hole in a sealing mode through a concrete pouring body, a water-stopping rubber ring which expands when meeting water is arranged between the concrete pouring body and the peripheral side wall of the floor drain main body, covering layers are arranged on the upper surfaces of the structural plate and the concrete pouring body, and a sealing rubber ring is arranged between the covering layers and the peripheral side wall of the floor drain main body.
As a further improvement of the above technical solution:
the mounting hole includes the last hole section and connects in the lower hole section of last hole section lower extreme, the cross-sectional area of going up the hole section reduces along the direction from top to bottom gradually, stagnant water rubber ring exposes from the top surface of the interior concrete casting body of last hole section.
The cross-sectional area of the lower hole section is gradually reduced along the direction from top to bottom.
The floor drain main body is provided with an annular boss which is positioned in the concrete casting in the lower hole section and is supported by the concrete casting.
The minimum cross-sectional area of the upper bore section is greater than the maximum cross-sectional area of the lower bore section.
The upper end of the floor drain main body is provided with an annular sealing matching part protruding outwards, and the sealing rubber ring is simultaneously attached to the peripheral side face of the annular sealing matching part, the bottom face of the annular sealing matching part and the peripheral side face of the floor drain main body.
The top surface of the covering layer is covered with a polymer waterproof cement mortar layer.
The covering layer comprises a leveling layer and a surface layer located above the leveling layer, the lower portion of the sealing rubber ring is located between the leveling layer and the peripheral side wall of the floor drain main body, and the upper portion of the sealing rubber ring is located between the surface layer and the peripheral side wall of the floor drain main body.
The leveling layer separates the water stop rubber ring from the sealing rubber ring.
The lower part of the sealing rubber ring is provided with at least one right-angle corner part positioned in the leveling layer.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses an among the floor drain waterproof construction among the subway major structure, the floor drain main part passes through concrete placement body seal installation in the mounting hole, be equipped with the stagnant water rubber ring of meeting water inflation between the lateral wall all around at concrete placement body and floor drain main part, the upper surface of while structural slab and concrete placement body is equipped with the overburden, be equipped with the sealed gluey ring between the lateral wall all around at overburden and floor drain main part, the gap cover sealing between structural slab and the concrete placement is sealed with the overburden, the sealed gluey ring is sealed with the clearance between overburden and the floor drain main part, to the floor drain main part, mounting hole and concrete placement body form holistic cover and sealed, can improve the waterproof sealing effect, and form sealed isolation barrier, do benefit to and promote the floor drain main part, sealing reliability between mounting hole and the concrete placement body, prolong the life of floor drain waterproof construction.
Drawings
Fig. 1 is a schematic view of a partial sectional structure of a waterproof structure of a floor drain.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
Illustration of the drawings:
1. a floor drain main body; 11. an annular boss; 12. an annular seal engagement portion; 2. a structural panel; 21. mounting holes; 211. an upper bore section; 212. a lower bore section; 3. pouring concrete; 4. a cover layer; 41. leveling layer; 42. a surface layer; 5. a polymer waterproof cement mortar layer; 101. a water stop rubber ring; 102. and sealing the rubber ring.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments.
As shown in fig. 1 and fig. 2, the waterproof floor drain structure in the subway main body structure of the embodiment includes a floor drain main body 1 and a structural plate 2 having a mounting hole 21, the floor drain main body 1 is hermetically mounted in the mounting hole 21 through a concrete cast 3, a water-swelling rubber sealing ring 101 is arranged between the concrete cast 3 and the peripheral side wall of the floor drain main body 1, a covering layer 4 is arranged on the upper surfaces of the structural plate 2 and the concrete cast 3, and a sealing rubber ring 102 is arranged between the covering layer 4 and the peripheral side wall of the floor drain main body 1. In the floor drain waterproof structure, a floor drain main body 1 is hermetically arranged in a mounting hole 21 through a concrete pouring body 3, a water stop rubber ring 101 which expands when encountering water is arranged between the concrete pouring body 3 and the side wall of the periphery of the floor drain main body 1, a covering layer 4 is arranged on the upper surfaces of the structural plate 2 and the concrete pouring body 3, a sealing rubber ring 102 is arranged between the covering layer 4 and the peripheral side wall of the floor drain main body 1, the covering layer 4 covers and seals the gap between the structural plate 2 and the concrete pouring body 3, the sealing rubber ring 102 seals the gap between the covering layer 4 and the floor drain main body 1, the floor drain main body 1, the mounting hole 21 and the concrete casting 3 form integral covering and sealing, the waterproof sealing effect can be improved, and a sealing isolation barrier is formed, so that the sealing reliability among the floor drain main body 1, the mounting hole 21 and the concrete pouring body 3 is favorably improved, and the service life of the floor drain waterproof structure is prolonged.
In this embodiment, the installation hole 21 includes an upper hole section 211 and a lower hole section 212 connected to a lower end of the upper hole section 211, a cross-sectional area of the upper hole section 211 gradually decreases in a direction from top to bottom, preferably, the upper hole section 211 is in an inverted cone shape, and the water-stop rubber ring 101 is exposed from a top surface of the concrete casting body 3 in the upper hole section 211. When the concrete is poured to form the concrete pouring body 3, the concrete in the upper hole section 211 can better force the water stop rubber ring 101 to compress and adhere to the peripheral side walls of the floor drain main body 1 under the guide effect of the self-weight effect and the inner wall of the upper hole section 211, meanwhile, the concrete can also better compress and adhere to the peripheral side walls of the floor drain main body 1, so that the sealing performance is improved, and after the concrete of the concrete pouring body 3 is formed, the concrete pouring body 3 can be better supported, and the installation stability of the concrete pouring body 3 is improved.
In this embodiment, the cross-sectional area of the lower hole section 212 is gradually reduced along the direction from top to bottom, and when the concrete is poured to form the concrete cast 3, the concrete in the lower hole section 212 can be better pressed and attached to the peripheral side walls of the floor drain main body 1, so that the sealing performance is improved, and after the concrete cast 3 is formed, the concrete cast 3 can be better supported, and the installation stability of the concrete cast 3 is improved.
In this embodiment, the floor drain main body 1 is provided with the annular boss 11 which is located in the concrete casting 3 in the lower hole section 212 and is supported by the concrete casting 3, and the annular boss 11 increases the vertical combined stress area of the concrete casting 3 and the floor drain main body 1, so that the installation stability of the floor drain main body 1 can be improved.
In this embodiment, the minimum cross-sectional area of the upper hole section 211 is greater than the maximum cross-sectional area of the lower hole section 212, that is, the cross-sectional area of the installation hole 21 is reduced along the direction from top to bottom as a whole, which is beneficial to rapid cast molding of the concrete cast 3, avoiding the generation of voids, and improving the sealing performance and the structural stability.
In this embodiment, the upper end of the floor drain main body 1 is provided with an annular sealing matching part 12 protruding outwards, and the sealing rubber ring 102 is attached to the peripheral side surface of the annular sealing matching part 12, the bottom surface of the annular sealing matching part 12 and the peripheral side surface of the floor drain main body 1. Therefore, the contact surface between the sealing rubber ring 102 and the floor drain main body 1 is Z-shaped, and the sealing performance can be improved.
In this embodiment, the top surface of the cover layer 4 is covered with the polymer waterproof cement mortar layer 5 to seal and isolate the cover layer 4, and improve the waterproof sealing performance.
In this embodiment, the covering layer 4 includes a leveling layer 41 and a surface layer 42 located above the leveling layer 41, a lower portion of the sealing rubber ring 102 is located between the leveling layer 41 and the peripheral side wall of the floor drain main body 1, and an upper portion of the sealing rubber ring 102 is located between the surface layer 42 and the peripheral side wall of the floor drain main body 1. The sealing performance and the service life can be improved by forming a multi-layer sealing structure which is in contact with the sealing rubber ring 102.
In this embodiment, the leveling layer 41 separates the water-stopping rubber ring 101 from the sealing rubber ring 102, and the leveling layer 41 plays a role in sealing and isolating the water-stopping rubber ring 101, so that the sealing performance is favorably improved, and the service life of the water-stopping rubber ring 101 is prolonged.
In this embodiment, the lower portion of the sealant ring 102 has at least one right-angle corner portion located in the leveling layer 41, so that the contact surface between the sealant ring 102 and the leveling layer 41 is non-planar, and the sealing performance can be improved.
In this embodiment, the concrete cast body 3 is preferably formed by casting fine stone concrete mixed with fibers, and has a high structural strength. The water stop rubber ring 101 is made of single-component polyurethane sealant.
The above description is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. For those skilled in the art, the modifications and changes obtained without departing from the technical idea of the present invention shall be considered as the protection scope of the present invention.
Claims (10)
1. The utility model provides a floor drain waterproof construction among subway major structure, includes floor drain main part (1) and structural slab (2) that have mounting hole (21), floor drain main part (1) through concrete casting (3) seal installation in mounting hole (21), be equipped with between concrete casting (3) and floor drain main part (1) lateral wall all around and meet water inflation's stagnant water rubber ring (101), its characterized in that: the upper surfaces of the structural plates (2) and the concrete casting body (3) are provided with covering layers (4), and sealing rubber rings (102) are arranged between the covering layers (4) and the peripheral side walls of the floor drain main body (1).
2. Floor drain waterproof construction according to claim 1, characterized in that: the mounting hole (21) comprises an upper hole section (211) and a lower hole section (212) connected to the lower end of the upper hole section (211), the cross sectional area of the upper hole section (211) is gradually reduced along the direction from top to bottom, and the water stop rubber ring (101) is exposed from the top surface of the concrete casting body (3) in the upper hole section (211).
3. The floor drain waterproofing structure according to claim 2, wherein: the cross-sectional area of the lower hole section (212) is gradually reduced along the direction from top to bottom.
4. The floor drain waterproofing structure according to claim 3, wherein: the floor drain main body (1) is provided with an annular boss (11) which is positioned in a concrete casting (3) in the lower hole section (212) and is supported by the concrete casting (3).
5. The floor drain waterproofing structure according to claim 2, wherein: the minimum cross-sectional area of the upper bore section (211) is greater than the maximum cross-sectional area of the lower bore section (212).
6. The floor drain waterproofing structure according to claim 1, wherein: the floor drain is characterized in that an annular sealing matching part (12) protruding outwards is arranged at the upper end of the floor drain main body (1), and the sealing rubber ring (102) is attached to the peripheral side face of the annular sealing matching part (12), the bottom face of the annular sealing matching part (12) and the peripheral side face of the floor drain main body (1) at the same time.
7. The floor drain waterproofing structure according to claim 1, wherein: the top surface of the covering layer (4) is covered with a polymer waterproof cement mortar layer (5).
8. Floor drain waterproofing structure according to any one of claims 1 to 7, characterized in that: the covering layer (4) comprises a leveling layer (41) and a surface layer (42) located above the leveling layer (41), the lower portion of the sealing rubber ring (102) is located between the leveling layer (41) and the peripheral side wall of the floor drain main body (1), and the upper portion of the sealing rubber ring (102) is located between the surface layer (42) and the peripheral side wall of the floor drain main body (1).
9. The floor drain waterproofing structure according to claim 8, wherein: the leveling layer (41) separates the water stop rubber ring (101) from the sealing rubber ring (102).
10. The floor drain waterproofing structure according to claim 8, wherein: the lower part of the sealing rubber ring (102) is provided with at least one right-angle corner part positioned in the leveling layer (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121066717.8U CN217204526U (en) | 2021-05-18 | 2021-05-18 | Floor drain waterproof structure in subway main structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121066717.8U CN217204526U (en) | 2021-05-18 | 2021-05-18 | Floor drain waterproof structure in subway main structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217204526U true CN217204526U (en) | 2022-08-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121066717.8U Active CN217204526U (en) | 2021-05-18 | 2021-05-18 | Floor drain waterproof structure in subway main structure |
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| Country | Link |
|---|---|
| CN (1) | CN217204526U (en) |
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2021
- 2021-05-18 CN CN202121066717.8U patent/CN217204526U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: CHINA RAILWAY WUJU GROUP ELECTRIC WORKS ENGINEERING Corp. Assignor: CHINA RAILWAY NO.5 ENGINEERING GROUP Co.,Ltd. Contract record no.: X2023520000043 Denomination of utility model: Floor drain waterproofing structure in the main structure of the subway Granted publication date: 20220816 License type: Common License Record date: 20230718 |
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| EE01 | Entry into force of recordation of patent licensing contract |