CN111963008A - Mounting structure and mounting method of drainage threshold stone - Google Patents
Mounting structure and mounting method of drainage threshold stone Download PDFInfo
- Publication number
- CN111963008A CN111963008A CN202010952804.7A CN202010952804A CN111963008A CN 111963008 A CN111963008 A CN 111963008A CN 202010952804 A CN202010952804 A CN 202010952804A CN 111963008 A CN111963008 A CN 111963008A
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- Prior art keywords
- floor drain
- threshold stone
- threshold
- drainage
- toilet
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- Pending
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- 239000004575 stone Substances 0.000 title claims abstract description 90
- 238000000034 method Methods 0.000 title claims description 22
- 238000009434 installation Methods 0.000 claims abstract description 41
- 239000003292 glue Substances 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 238000010276 construction Methods 0.000 description 7
- 238000007789 sealing Methods 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 206010017577 Gait disturbance Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/70—Sills; Thresholds
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0407—Floor drains for indoor use
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sink And Installation For Waste Water (AREA)
Abstract
The invention relates to a mounting structure of drainage threshold stone, comprising: a threshold stone installed on a threshold of a toilet; a waterproof chassis installed on the floor of the toilet; the waterproof chassis comprises a bottom wall and surrounding edges distributed along the circumferential direction of the bottom wall, the bottom wall is provided with a floor drain installation groove, and the surrounding edges are provided with installation openings matched with the length of the threshold stones; the floor drain mounting grooves are distributed along the length direction of the threshold stone; a preset distance is reserved between the floor drain mounting groove and the mounting opening, so that one side of the threshold stone penetrates through the mounting opening and is mounted on the waterproof chassis; the linear floor drain is arranged in the floor drain mounting groove and is flush with the threshold stone; the veneer is arranged on the waterproof chassis so as to be flush with the cover plate. The mounting structure of the drainage threshold stone realizes that the threshold stone has no difference of internal height and external height after being mounted, and is convenient for old people, children and wheelchairs to get in and out of a toilet; and has the function of drainage, and can effectively prevent the outflow of water in the toilet. In addition, the experience comfort of the user is greatly improved.
Description
Technical Field
The invention belongs to the technical field of architectural decoration, and particularly relates to a mounting structure and a mounting method of a drainage threshold stone.
Background
After the construction of the toilet is finished, the ground has a certain drainage gradient, so that the phenomenon that water flow in the toilet flows out from a toilet door to enter rooms such as a living room and a bedroom to damage facilities such as indoor floors and objects in the room in the use process is prevented, and a doorsill stone structure is usually additionally arranged at the toilet door to play a role in stopping the water flow from overflowing.
However, the existing threshold stone installation has a certain height difference with the toilet facing, such as: patent document CN 104818835B discloses a toilet threshold stone waterproof structure and construction method, wherein the height difference between the threshold stone and the floor tile is the thickness of the threshold stone. In the use process, especially for the old and children, certain potential safety hazards exist, and accidents can be caused by stumbling of threshold stones. However, if the threshold stone is removed, it is not possible to prevent water in the toilet from entering the room through the threshold.
Disclosure of Invention
Based on the above disadvantages and shortcomings of the prior art, the present invention provides a drainage threshold stone installation structure and an installation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a mounting structure of a drainage threshold stone, comprising:
a threshold stone installed on a threshold of a toilet;
a waterproof chassis installed on the floor of the toilet; the waterproof chassis comprises a bottom wall and surrounding edges distributed along the circumferential direction of the bottom wall, the bottom wall is provided with a floor drain installation groove, and the surrounding edges are provided with installation openings matched with the length of the threshold stones; the floor drain mounting grooves are distributed along the length direction of the threshold stone; a preset distance is reserved between the floor drain mounting groove and the mounting opening, so that one side of the threshold stone penetrates through the mounting opening and is mounted on the waterproof chassis;
the linear floor drain is arranged in the floor drain mounting groove and is flush with the threshold stone;
the veneer is arranged on the waterproof chassis so as to be flush with the cover plate.
Preferably, the floor drain mounting groove of the waterproof chassis protrudes below the bottom wall of the waterproof chassis.
As the preferred scheme, the ground of the toilet is provided with a preformed groove, and the structure of the preformed groove is matched with the structure of a floor drain mounting groove of the waterproof chassis.
Preferably, the floor drain mounting groove is formed by plastic suction.
As a preferred scheme, the linear floor drain comprises a floor drain body and a cover plate, wherein the floor drain body is arranged in a floor drain mounting groove, and the cover plate covers the floor drain body.
Preferably, the floor drain body is of a concave structure and is provided with a drain hole.
Preferably, the inner bottom wall of the floor drain body has a slope, and the drain hole is located at the lowest position of the inner bottom wall of the floor drain body.
Preferably, the length direction of the linear floor drain is parallel to the length direction of the threshold stone.
The invention also provides an installation method of the installation structure of the drainage threshold stone, which comprises the following steps:
(1) applying glue to the floor of the toilet;
(2) installing a waterproof chassis on the ground of a toilet;
(3) a threshold stone is arranged on a threshold of a toilet;
(4) installing a linear floor drain in a floor drain installation groove to be flush with the threshold stone;
(5) and (4) installing the veneer on the waterproof chassis so as to enable the veneer to be flush with the linear floor drain.
According to the preferable scheme, waterproof glue is constructed in a gap between the linear floor drain and the facing material, and waterproof glue is constructed in a gap between the linear floor drain and the threshold stone.
Compared with the prior art, the invention has the beneficial effects that:
the mounting structure of the drainage threshold stone realizes that the threshold stone has no difference of internal height and external height after being mounted, and is convenient for old people, children and wheelchairs to get in and out of a toilet; and has the function of drainage, and can effectively prevent the outflow of water in the toilet. In addition, the experience comfort of the user is greatly improved.
The mounting method of the mounting structure of the drainage threshold stone is convenient to mount, is operated by a non-wet method, and has a clean and tidy mounting field environment.
Drawings
Fig. 1 is a schematic sectional structure view of an installation structure of a drainage threshold stone according to a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a waterproof chassis according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a floor drain body of a linear floor drain according to a first embodiment of the invention;
fig. 4 is a schematic structural diagram of a cover plate of the linear floor drain according to the first embodiment of the invention;
fig. 5 is a schematic sectional structure view of a mounting structure of a drainage threshold stone according to a second embodiment of the present invention.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention, the following description will explain the embodiments of the present invention with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.
The first embodiment is as follows:
as shown in fig. 1, the installation structure of the drainage threshold stone of the present embodiment includes a waterproof chassis 1, a threshold stone 2, a linear floor drain 3, and a facing material 4.
The waterproof chassis 1 is arranged on the ground 0 of the toilet; as shown in fig. 2, the waterproof chassis 1 comprises a bottom wall 1a and surrounding edges 1b distributed along the circumferential direction of the bottom wall, wherein one side of the bottom wall 1a corresponding to the bathroom threshold is provided with a floor drain installation groove 1c and a first drain hole 1d positioned in the floor drain installation groove; the side of the surrounding edge 1b corresponding to the toilet threshold has an installation opening matching the length of the threshold stone 2. In addition, a certain distance 1e is reserved between the mounting opening of the surrounding edge and the floor drain mounting groove 1c, one side of the threshold stone 2 is abutted, and the drainage and waterproof performance of a mounting gap of the threshold stone is improved. The floor drain mounting grooves 1c are distributed along the length direction of the threshold stone, and the length direction of the floor drain mounting grooves 1c is parallel to the length direction of the threshold stone.
The floor drain mounting groove 1c of the waterproof chassis protrudes below the bottom wall 1a of the waterproof chassis, so that the floor drain mounting groove 1c forms a downward protruding structure, a linear floor drain is conveniently mounted in the floor drain mounting groove, drainage efficiency is improved, and the space size of a toilet is optimized. Wherein, the preferred plastic uptake shaping of the shaping mode of floor drain mounting groove 1c, the shaping is effectual, and the shaping is efficient.
The waterproof chassis of the embodiment is processed by adopting an integral forming process.
In order to match with the floor drain installation groove 1c of the waterproof chassis 1, correspondingly, a reserved groove K is designed on the ground of the toilet and is used as an installation avoidance of the floor drain installation groove 1c protruding downwards, so that the installation height of the waterproof chassis is saved, and the space size of the toilet is optimized. The preformed groove K can be preformed in advance when the ground concrete of the toilet is poured so as to promote the installation of a subsequent waterproof chassis.
The installing port of the surrounding edge of the waterproof chassis of the embodiment cuts the installing port of the threshold stone according to the width of the door opening in the actual construction process, can also carry out the size customization of the waterproof chassis according to the deepening drawing of the door opening in advance, and omits the process of surrounding edge cutting.
After the waterproof chassis 1 is installed, the sill stone 2 is installed. Specifically, threshold stone 2 is installed in the threshold department of bathroom, and the installing port of waterproof chassis surrounding is run through to one side of threshold stone 2, extends to on the interval 1e between the installing port of the surrounding of waterproof chassis and floor drain mounting groove 1c, guarantees overall structure's drainage waterproofness.
The linear floor drain 3 of the embodiment comprises a floor drain body 31 and a cover plate 32, wherein the floor drain body 31 is installed in a floor drain installation groove 1c of the waterproof chassis, so that the threshold stones 2 and the inner space of the toilet are respectively positioned at two sides of the floor drain body, separation between the threshold stones and the inner space of the toilet is realized, and water in the toilet is effectively prevented from directly flowing out through the threshold stones. The floor drain body 31 is of a concave structure, and the inner cavity of the floor drain body is a water storage space; as shown in fig. 3, the bottom wall of the floor drain body 31 has a second drainage hole 31a, and the second drainage hole 31a is opposite to the first drainage hole 1d of the waterproof chassis, so that the floor drain body 31 is installed in the floor drain installation groove 1c, and the second drainage hole 31a is communicated with the first drainage hole 1d, so as to facilitate drainage. In addition, the inner bottom wall of the floor drain body 31 has a slope, and the second drain hole 31a is located at the lowest position of the inner bottom wall, which is beneficial to effectively draining water in the floor drain body.
The cover plate 32 of the present embodiment covers the floor drain body 31 so that the cover plate 32 is flush with the threshold stone 2. Wherein, as shown in fig. 1, both sides of the notch of the floor drain mounting groove 1c of the waterproof chassis of the present embodiment are of an arc surface structure H. As shown in fig. 4, the cover plate 32 of the present embodiment includes a panel 32a and side plates 32b extending downward from two sides of the panel, and further includes a bent portion 32c extending upward from the bottom of the side plate 32b toward the inner side of the cover plate; the bottoms of the side plates 32b on the two sides of the panel are respectively abutted against the cambered surface structures H on the two sides of the notch of the floor drain mounting groove of the waterproof chassis, so that water flowing into the cover plate can fall into the floor drain body 31 to be discharged. The design of the bending part 32c and the line contact between the cambered surface structure H and the bottom of the side plate 32b can prevent water from overflowing from the contact part of the cover plate and the waterproof chassis, so as to avoid influencing the performance of the veneer 4. The panel 32a of the cover plate of the embodiment is of a grid structure, and has high drainage efficiency and attractive appearance.
The facing material 4 of this embodiment is installed on the diapire 1a of waterproof chassis, and except the position of linear floor drain and threshold stone promptly, the facing material is all installed in other diapire region. The facing material 4 is flush with the cover plate 32, so that the facing material, the linear floor drain and the threshold stone of the toilet have no height difference, and the old, children and wheelchairs can conveniently get in and out of the toilet.
The method for mounting the mounting structure of the drainage threshold stone of the embodiment comprises the following steps:
(1) cutting the surrounding edge of the waterproof chassis according to the width of the door opening to obtain a mounting opening;
(2) applying glue to the floor of the toilet;
specifically, in the glue applying process, not only is glue applied to the horizontal floor of the toilet, but also foam glue is applied to the reserved groove of the horizontal floor of the toilet;
(3) installing a waterproof chassis on the ground of a toilet;
specifically, the floor drain mounting groove of waterproof chassis aims at the reserve tank on the horizontal ground of bathroom and installs, will glue the compaction, avoids having the hollowing.
(4) A threshold stone is arranged on a threshold of a toilet;
specifically, the threshold stone is installed after being glued, one side of the threshold stone penetrates through the installation opening of the surrounding edge of the waterproof chassis and extends to the distance between the installation opening of the surrounding edge of the waterproof chassis and the floor drain installation groove.
(5) Installing a floor drain body of the linear floor drain in a floor drain installation groove, and enabling the threshold stones and the inner space of the toilet to be respectively positioned at two sides of the floor drain body;
specifically, the floor drain body of the linear floor drain is glued and then installed in a floor drain installation groove of the waterproof chassis.
(6) Covering a cover plate of the linear floor drain on the floor drain body so as to enable the cover plate to be flush with the threshold stone;
(7) and gluing the veneer and then installing the veneer on the waterproof chassis so as to enable the veneer to be flush with the cover plate.
In addition, waterproof glue is constructed in the gap between the cover plate of the linear floor drain and the facing material, and waterproof glue is constructed in the gap between the cover plate of the linear floor drain and the threshold stone, so that the waterproof performance of the gap is improved.
The mounting structure of drainage threshold stone of this embodiment, there is not interior external height difference after the threshold stone installation, and has the drainage function concurrently.
The installation method of the embodiment is convenient to install, is operated by a non-wet method, and is clean and tidy in the installation site environment.
Example two:
the mounting structure of the drainage threshold stone of the present embodiment is different from that of the first embodiment in that:
after the concrete pouring construction is carried out on the toilet ground, the flatness of the toilet ground is poor, and the installation and the matching of a waterproof chassis, threshold stones, decorative materials and the like are not facilitated.
Therefore, the present embodiment is improved based on the first embodiment, and specifically, the following is performed:
as shown in fig. 5, the construction of the self-leveling material is performed on the toilet floor to obtain a self-leveling layer 5, so that the flatness of the toilet floor is improved, the subsequent installation of the waterproof chassis, the threshold stone, the finishing material and the like is facilitated, and the structural stability and the aesthetic degree of the installation structure of the drainage threshold stone are improved. Wherein the thickness L of the self-leveling layer 5 is 10-20 mm. The thickness of the self-leveling layer 5 is larger than the depth of the floor drain mounting groove, so that the waterproof chassis is fixed by gluing in the reserved groove.
Accordingly, the installation method of the installation structure of the drainage threshold stone of the present embodiment performs the self-leveling construction before applying glue to the floor of the toilet on the basis of the installation method of the first embodiment.
The mounting method of the mounting structure of the drainage threshold stone of the present embodiment can refer to the first embodiment.
Other structures and mounting steps can be referred to in the first embodiment.
Example three:
the mounting structure of the drainage threshold stone of the present embodiment is different from that of the first embodiment in that:
in the first embodiment, the waterproof glue is constructed in the gap between the cover plate and the facing material of the linear floor drain, the waterproof glue is constructed in the gap between the cover plate and the threshold stone of the linear floor drain, the sealing ring is sleeved on the periphery of the cover plate of the linear floor drain instead, and the sealing ring, the facing material and the threshold stone are sealed, so that the waterproof performance of the gap between the cover plate and the facing material and the waterproof performance of the gap between the cover plate and the threshold stone are improved. Wherein, the sealing washer flushes with the apron, and the design of sealing washer is convenient for change and the dismantlement of apron for the construction of waterproof glue.
The mounting method of the mounting structure of the drainage threshold stone of the present embodiment can refer to the first embodiment.
Other structures and mounting steps can be referred to in the first embodiment.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing has outlined rather broadly the preferred embodiments and principles of the present invention and it will be appreciated that those skilled in the art may devise variations of the present invention that are within the spirit and scope of the appended claims.
Claims (10)
1. A mounting structure of drainage threshold stone, characterized by comprising:
a threshold stone installed on a threshold of a toilet;
a waterproof chassis installed on the floor of the toilet; the waterproof chassis comprises a bottom wall and surrounding edges distributed along the circumferential direction of the bottom wall, the bottom wall is provided with a floor drain installation groove, and the surrounding edges are provided with installation openings matched with the length of the threshold stones; the floor drain mounting grooves are distributed along the length direction of the threshold stone; a preset distance is reserved between the floor drain mounting groove and the mounting opening, so that one side of the threshold stone penetrates through the mounting opening and is mounted on the waterproof chassis;
the linear floor drain is arranged in the floor drain mounting groove and is flush with the threshold stone;
the veneer is arranged on the waterproof chassis so as to be flush with the cover plate.
2. The mounting structure of a drainage threshold stone as set forth in claim 1, wherein the floor drain mounting groove of the waterproof floor pan is projected below the bottom wall thereof.
3. The mounting structure of a drainage threshold stone as claimed in claim 2, wherein the floor of the toilet has a pre-groove, the structure of which matches with the structure of the floor drain mounting groove of the waterproof chassis.
4. The mounting structure of a drainage threshold stone of claim 2, wherein the floor drain mounting groove is formed by plastic suction.
5. The mounting structure of a drainage threshold stone of claim 1, wherein the linear floor drain comprises a floor drain body and a cover plate, the floor drain body is mounted in the floor drain mounting groove, and the cover plate covers the floor drain body.
6. The mounting structure of a drainage threshold stone of claim 5, wherein the floor drain body is a concave structure having a drainage hole.
7. A drainage threshold stone mounting structure as set forth in claim 6, wherein the inner bottom wall of the floor drain body has a slope, and the drainage hole is located at the lowest position of the inner bottom wall of the floor drain body.
8. A drainage threshold stone mounting structure as set forth in claim 1, characterized in that the length direction of said linear floor drain is parallel to the length direction of the threshold stone.
9. A method of installing a drainage threshold stone installation structure as claimed in any one of claims 1 to 8, comprising the steps of:
(1) applying glue to the floor of the toilet;
(2) installing a waterproof chassis on the ground of a toilet;
(3) a threshold stone is arranged on a threshold of a toilet;
(4) installing a linear floor drain in a floor drain installation groove to be flush with the threshold stone;
(5) and (4) installing the veneer on the waterproof chassis so as to enable the veneer to be flush with the linear floor drain.
10. The installation method according to claim 9, wherein a waterproof glue is applied to a gap between the linear floor drain and the facing material, and a waterproof glue is applied to a gap between the linear floor drain and the threshold stone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010952804.7A CN111963008A (en) | 2020-09-11 | 2020-09-11 | Mounting structure and mounting method of drainage threshold stone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010952804.7A CN111963008A (en) | 2020-09-11 | 2020-09-11 | Mounting structure and mounting method of drainage threshold stone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111963008A true CN111963008A (en) | 2020-11-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010952804.7A Pending CN111963008A (en) | 2020-09-11 | 2020-09-11 | Mounting structure and mounting method of drainage threshold stone |
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| Country | Link |
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| CN (1) | CN111963008A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3900967A (en) * | 1974-07-26 | 1975-08-26 | Pease Co | Adjustable sill and threshold assembly |
| JP2001200562A (en) * | 2000-01-20 | 2001-07-27 | Toto Ltd | Doorway floor waterproofing structure for bathroom unit |
| CN206737676U (en) * | 2017-05-31 | 2017-12-12 | 青岛中嘉建设集团有限公司 | A kind of toilet threshold stone waterproof construction |
| CN108252617A (en) * | 2018-01-04 | 2018-07-06 | 杨斌 | A kind of accessible waterproof threshold of rotatable suitching type |
| CN207974448U (en) * | 2017-12-30 | 2018-10-16 | 浙江亚厦装饰股份有限公司 | A kind of kitchen threshold stone connection structure |
| CN207974468U (en) * | 2017-12-30 | 2018-10-16 | 浙江亚厦装饰股份有限公司 | A kind of toilet threshold stone connection structure |
| CN110805114A (en) * | 2019-11-05 | 2020-02-18 | 浙江亚厦装饰股份有限公司 | Toilet floor drain assembly and installation method |
| CN212428447U (en) * | 2020-09-11 | 2021-01-29 | 浙江亚厦装饰股份有限公司 | Mounting structure of drainage threshold stone |
-
2020
- 2020-09-11 CN CN202010952804.7A patent/CN111963008A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3900967A (en) * | 1974-07-26 | 1975-08-26 | Pease Co | Adjustable sill and threshold assembly |
| JP2001200562A (en) * | 2000-01-20 | 2001-07-27 | Toto Ltd | Doorway floor waterproofing structure for bathroom unit |
| CN206737676U (en) * | 2017-05-31 | 2017-12-12 | 青岛中嘉建设集团有限公司 | A kind of toilet threshold stone waterproof construction |
| CN207974448U (en) * | 2017-12-30 | 2018-10-16 | 浙江亚厦装饰股份有限公司 | A kind of kitchen threshold stone connection structure |
| CN207974468U (en) * | 2017-12-30 | 2018-10-16 | 浙江亚厦装饰股份有限公司 | A kind of toilet threshold stone connection structure |
| CN108252617A (en) * | 2018-01-04 | 2018-07-06 | 杨斌 | A kind of accessible waterproof threshold of rotatable suitching type |
| CN110805114A (en) * | 2019-11-05 | 2020-02-18 | 浙江亚厦装饰股份有限公司 | Toilet floor drain assembly and installation method |
| CN212428447U (en) * | 2020-09-11 | 2021-01-29 | 浙江亚厦装饰股份有限公司 | Mounting structure of drainage threshold stone |
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Application publication date: 20201120 |