CN218757843U

CN218757843U - Water seal structure and water seal floor drain

Info

Publication number: CN218757843U
Application number: CN202222783599.3U
Authority: CN
Inventors: 彭政
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-03-28
Anticipated expiration: 2032-10-21

Abstract

The utility model discloses a water seal structure and a water seal floor drain, wherein the water seal structure comprises a water seal core and a water seal cover, and the water seal floor drain comprises a water seal structure, a connecting piece, a cover plate, a grate and a floor drain box; the floor drain box is of a cylindrical structure, the top of the floor drain box is provided with a mounting hole, and the side surface of the floor drain box is integrally provided with a water outlet pipe; the connecting piece is arranged on the floor drain box, the water seal structure is arranged in the connecting piece, the cover plate is arranged on the connecting piece, and the grate is arranged on the cover plate; the utility model discloses a water seal structure and floor drain box phase separation install and remove the convenience, easily clear up the deposit in the water seal core, adopt the utility model discloses a water seal floor drain can play effective deodorant effect, can pre-buried in floor drain mounted position department, makes it be applicable to the construction occasion of different mounting heights to make the ground of mounted position department keep dry, prevent infiltration, leak, improve the installation quality of floor drain.

Description

Water seal structure and water seal floor drain

Technical Field

The utility model relates to a floor drain technical field especially relates to a water seal structure and water seal floor drain.

Background

The floor drain is a drainage device connected with the ground and a drainage pipeline system, is mainly used for draining accumulated water on the ground and is used as an important interface between the drainage pipeline system and the indoor ground, and the performance of the floor drain directly influences the indoor environment quality; in indoor drainage, factors such as insect prevention, deodorization, blockage prevention and the like are considered, and the functions are realized by adopting the water seal floor drain.

In the existing water-seal floor drain, a water-seal structure and a floor drain box are generally of an integrated structure, when discharged water contains silt or other sediments, the sediments are deposited at the bottom of the floor drain box and are inconvenient to clean, and bacteria can be generated after a period of time, so that odor is generated, and the indoor air quality is influenced; when the local leaky core is damaged, the replacement is not convenient.

In the installation process of the water seal floor drain, an installation hole position is usually reserved on the ground, then the floor drain is installed at the reserved installation hole position, and a gap between the floor drain and the ground is filled with cement; the ground surface accumulated water is soaked into the ground surface along the cracks, the decorated wall surface structure can be damaged, and the wall surface maintenance cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an one of purpose lies in at least, to how to overcome the problem that above-mentioned prior art exists, provides a water seal structure and water seal floor drain, not only can the protection against insects deodorant, can also prevent floor drain mounted position department ground infiltration, improves water seal floor drain installation quality.

In order to achieve the above object, the present invention adopts a technical solution including the following aspects.

A water seal structure comprising: the water seal core is of an integrally formed cylindrical structure, and the water seal cover is of a cylindrical structure with one end open and the other end closed; the water seal core comprises a first cylinder wall, a second cylinder wall arranged in the first cylinder wall and a bottom plate, the bottom of the first cylinder wall is connected with the bottom of the second cylinder wall through the bottom plate, and a water seal cover cylinder body of the water seal cover is positioned in a water storage area between the first cylinder wall and the second cylinder wall.

The water seal core is of an integrally formed cylindrical structure, is separated from the floor drain box and is convenient to assemble and disassemble; when sediment such as silt and the like is deposited in the water seal core, the water seal core can be taken out from the floor drain box and cleaned, so that the water seal core is kept clean, the water seal core is prevented from influencing drainage or breeding bacteria due to the sediment, and the indoor air quality is favorably improved; when the water seal core is damaged, the water seal core can be conveniently taken out for replacement.

Preferably, a first boss is arranged on the outer side surface of the first cylinder wall, the first boss is located on the upper portion of the first cylinder wall, and an annular sealing groove is formed in the first boss.

The first boss is arranged on the outer side face of the first cylinder wall, the annular sealing groove is formed in the first boss, the sealing ring can be installed in the annular sealing groove and is made of rubber, when the water sealing structure is installed in the floor drain box, the sealing ring can fix the water sealing core, a sealing space can be formed between the water sealing core and the floor drain box, odor is isolated, and indoor air quality is improved.

Preferably, the bottom of the second cylinder wall is provided with a positioning boss, and the inner wall of the water sealing cover is uniformly provided with a plurality of partition plates along the circumferential direction.

When the water sealing cover is covered in the water sealing core, the top of the water sealing core is separated from the closed end of the water sealing cover by a certain distance through the matching of the positioning boss and the partition plate, and the bottom of the water sealing core is separated from the open end of the water sealing cover by a certain distance, so that a drainage channel is formed, and water entering the water sealing core is smoothly drained; and the cylinder body of the water seal cover is fully contacted with water in a water storage area, the water seal is not easy to dry under the action of the water seal cover, odor in a pipeline is not easy to overflow, and the insect prevention and odor prevention performance of the water seal is improved.

Preferably, the surface of the closed end of the water sealing cover is provided with a handheld component so as to facilitate the installation and the disassembly of the water sealing cover.

A water seal floor drain comprising: the water seal structure, the connecting piece, the cover plate, the grate and the floor drain box are arranged on the bottom plate; the floor drain box is of a cylindrical structure, the top of the floor drain box is provided with a mounting hole, and the side wall of the floor drain box is provided with a water outlet pipe; the connecting piece is arranged on the floor drain box, the water seal structure is arranged in the connecting piece, the cover plate is arranged on the connecting piece, and the grate is arranged on the cover plate.

In the construction process, the floor drain box of the water seal floor drain can be pre-embedded at a designed position, so that the floor drain installation construction difficulty is reduced, cracks are not easy to generate between the floor drain box and the surrounding concrete, and the waterproof performance and the floor drain installation quality of the floor drain are improved; the water seal structure and the floor drain box are mutually independent structures, so that the water seal structure is only installed at the pre-embedded floor drain box through the connecting piece when the floor drain box is used for draining water again in the later period, and the installation and construction difficulty of the floor drain is further reduced.

Preferably, the connecting piece comprises a first connecting piece, a connecting sleeve and a second connecting piece; the first connecting piece is connected with the connecting sleeve through threads, and the connecting sleeve is connected with the second connecting piece through threads.

The three parts are respectively connected through threads, so that the installation is convenient and quick, and the connection stability of each part can be ensured; the mounting height of the second connecting piece in the vertical direction can be adjusted due to the adoption of threaded connection, so that the water seal floor drain can be suitable for the ground with different mounting heights, and the mounting flexibility of the water seal floor drain is improved; when the overall height of the tile laid on the surfaces of the common waterproof layer and the common waterproof layer arranged on the surface of the first connecting piece is larger than the design height, the second connecting piece can be upwards screwed out for a certain distance along the vertical direction, and the distance between the first connecting plate of the first connecting piece and the second connecting plate of the third connecting piece is increased, so that the water seal floor drain is suitable for different installation heights.

Preferably, a plurality of water outlets are uniformly formed in the outer wall of the connecting sleeve along the circumferential direction; under the condition that water seepage occurs on the ground, accumulated water permeating into the surface of the first connecting piece can be drained into the floor drain box through the water outlet, so that bacteria are prevented from breeding on the ground due to moisture, water leakage is prevented, and a waterproof effect and a floor wall body are protected.

Preferably, the first connecting piece includes discoid first connecting plate and connects the first bumping post on first connecting plate surface, the bottom of first bumping post is provided with the limiting plate along the circumferencial direction, the bottom of first connecting plate is provided with the bar mouth.

Through the limiting plate, can inject the mounted position of connecting sleeve and second connecting piece in vertical direction, when connecting sleeve installs in first connecting piece, the second connecting piece is installed in connecting sleeve, and the bottom of connecting sleeve, the bottom of second connecting piece are separated by certain distance with the limiting plate, form the gap to make infiltration groundwater flow into the outlet between first connecting piece and the connecting sleeve through first connecting piece, flow into the floor drain box through the gap again, make the drainage more smooth and easy.

When the floor drain mounting opening reserved on the ground is close to the wall, and the first connecting piece cannot be placed into the reserved floor drain mounting opening due to position interference, the first connecting piece can be broken off along the strip-shaped opening, so that the first connecting piece is suitable for mounting openings of different mounting positions.

Preferably, a floor drain waterproof layer is arranged on the surface of the first connecting piece.

The floor drain waterproof layer can achieve the secondary waterproof effect, after the first connecting piece provided with the floor drain waterproof layer is installed on the floor drain box, a common waterproof layer can be arranged on the surface of the floor drain waterproof layer in an overlapping mode, the installation area of the common waterproof layer is larger than that of the floor drain waterproof layer, when water seepage occurs at the installation position of the floor drain, only a small part of permeated water flows onto the floor drain waterproof layer after passing through the common waterproof layer, or the permeated water is absorbed by the common waterproof layer, and almost no residual water flows onto the floor drain waterproof layer; the floor drain waterproof layer guides water flowing into the floor drain waterproof layer into the water outlet and flows into the floor drain box through the water outlet, so that the ground at the installation position of the floor drain is kept dry, the bacterial breeding is reduced, and the secondary waterproof effect is realized.

Preferably, a connecting ring is arranged at the mounting opening at the top of the floor drain box and is bonded at the mounting opening in a bonding mode, the first connecting piece is mounted in the connecting ring, and the connecting ring is made of elastic materials.

The connecting ring is made of elastic materials, so that the connecting piece can be fastened on the floor drain box, and the floor drain box and the connecting piece are stably connected; and, the direct block of connecting piece can also improve the installation efficiency of construction of floor drain on the floor drain box.

In conclusion, owing to adopted above-mentioned technical scheme, the utility model discloses following beneficial effect has at least:

by arranging the water seal structure, the water seal structure comprises the water seal core and the water seal cover covered in the water seal core, and the water seal structure is separated from the floor drain box and is convenient to assemble, disassemble and clean; through setting up the water seal cover that matches with the water seal core, can prevent that the foul smell from spilling over, improve indoor air quality.

Through setting up the connecting piece, evenly set up a plurality of outlet along the circumferencial direction on the outer wall of connecting sleeve, when the water seal floor drain is pre-buried underground, the water of ground infiltration can be through in the outlet discharge floor drain box to prevent ground water leakage, make ground keep dry.

The water seepage prevention performance of the water seal floor drain can be further improved by arranging the floor drain waterproof layer on the surface of the first connecting piece; the first connecting piece, the connecting sleeve and the second connecting piece are in threaded connection, so that the water seal floor drain is convenient to assemble, disassemble and maintain, and the water seal floor drain can be suitable for construction occasions with different installation heights.

Drawings

Fig. 1 is a sectional view of a water seal structure according to an exemplary embodiment of the present invention.

Fig. 2 is a perspective view of the water seal cover structure of fig. 1.

Fig. 3 is a schematic structural view of the water seal cover of fig. 2 from another view angle.

Fig. 4 is the water seal floor drain structure explosion sketch map of the exemplary embodiment of the present invention.

Fig. 5 is an exploded view of the connector structure of fig. 4.

Fig. 6 is a sectional view of a water seal floor drain structure according to an exemplary embodiment of the present invention.

Fig. 7 is a sectional view of the water seal floor drain structure according to another embodiment of the present invention.

Fig. 8 is an enlarged schematic view of the water seal floor drain structure a of fig. 7.

Fig. 9 is a schematic view of another form of first connector structure.

Fig. 10 is a schematic view of the arrangement of the floor drain waterproof layer and the first connecting member according to the exemplary embodiment of the present invention.

The labels in the figure are: 1-water seal core, 11-first cylinder wall, 12-second cylinder wall, 13-bottom plate, 14-first boss, 140-seal groove, 15-second boss, 16-positioning boss, 2-water seal cover, 21-partition plate, 22-handheld component, 23-water seal cover cylinder body, 3-connecting piece, 31-first connecting piece, 310-limiting plate, 311-strip-shaped opening, 312-first mounting opening, 32-connecting sleeve, 320-water outlet, 321-third boss, 33-second connecting piece, 330-second mounting opening, 4-cover plate, 41-mounting groove, 5-grate, 6-floor drain box, 7-water outlet pipe, 8-connecting ring and 9-waterproof layer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and embodiments, so that the objects, technical solutions and advantages of the present invention will be more clearly understood. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1, the water sealing structure of the exemplary embodiment of the present invention includes a water sealing core 1 and a water sealing cover 2 covering the water sealing core 1, the water sealing core 1 is an integrally formed cylindrical structure, and includes a first cylinder wall 11, a second cylinder wall 12 (the second cylinder wall 12 may not be coaxial with the first cylinder wall 11) coaxially disposed with the first cylinder wall 11, and a bottom plate 13, the second cylinder wall 12 is disposed inside the first cylinder wall 11, and has a height smaller than that of the first cylinder wall 11, the bottom of the first cylinder wall 11 is connected to the bottom of the second cylinder wall 12 through the bottom plate 13, and a region between the two cylinder walls is a water storage region; the connection position of the first cylinder wall 11, the second cylinder wall 12 and the bottom plate 13 may be a curved surface as shown in the figure, or may be a plane.

An annular first boss 14 is arranged on the outer side surface (the surface of one side far away from the second cylinder wall 12) of the first cylinder wall 11, the first boss 14 is positioned at the top of the first cylinder wall 11, the top surface of the first boss 14 is flush with the top surface of the first cylinder wall 11 (a certain distance can be kept away from the top surface of the first cylinder wall), an annular sealing groove 140 is arranged on the first boss 14, the sealing groove 140 is used for installing a sealing ring, the sealing ring is made of rubber, when a water seal structure is installed in the floor drain box, the sealing ring can fix the water seal core 1, a sealing space can be formed between the water seal core 1 and the floor drain box, odor is isolated, and therefore indoor air quality is improved; the surface of the first boss 14 is also provided with an annular second boss 15, the second boss 15 is positioned at the top of the first boss 14, and the top surface of the second boss 15 is flush with the top surface of the first boss 14; the second boss 15 is used for fixed water seal core 1, and when water seal core 1 was installed in the floor drain box, water seal core 1 accessible second boss 15 block was in the installing port department of connecting piece.

The bottom of the second cylinder wall 12 is also provided with an annular positioning boss 16, the positioning boss 16 is positioned on the outer surface of the second cylinder wall 12 (the surface close to one side of the first cylinder wall 11), and the positioning boss 16 is used for positioning the installation position of the water sealing cover 2, so that the bottom of the water sealing core 1 is separated from the opening end of the water sealing cover 2 by a certain distance, and water flow is convenient to flow out; because the positioning boss 16 is positioned at the bottom of the second cylinder wall 12, when the water seal cover 2 is covered in the water seal core 1, the water seal cover cylinder body 23 is fully contacted with water in a water storage area, the water seal is not easy to dry under the action of the water seal cover 2, odor in a pipeline is not easy to overflow, and the insect prevention and deodorization performance of the water seal is improved.

The water sealing cover 2 is a cylindrical structure (or a cubic cylindrical structure) with one end open and the other end closed, the closed end of the water sealing cover can be a cambered surface shown in the figure or a plane, and the water sealing cover body 23 is positioned in a water storage area between the first cylinder wall 11 and the second cylinder wall 12; the surface of the closed end of the water enclosure 2 is symmetrically provided with two hand-held parts 22 (refer to fig. 1-3) to facilitate the installation and the disassembly of the water enclosure 2; the hand-held member 22 is arranged at a position opposite to the water seal cover cylindrical body 23, the hand-held member 22 may be plate-shaped as shown in fig. 3, or may be cylindrical, prismatic or hook-shaped, and the shape of the hand-held member 22 is not limited to the illustrated shape, as long as a boss is formed on the surface of the closed end of the water seal cover 2, and the water seal cover 2 can be easily attached and detached by the boss; the number of the hand-held members 22 may be only one or more.

Referring to fig. 2, a plurality of partition plates 21 are uniformly arranged on the inner wall of the water seal cover barrel 23 along the circumferential direction, the partition plates 21 are used for defining the installation position of the water seal cover 2, when the water seal cover is installed in the water seal core 1, the partition plates 21 are matched with the positioning bosses 16, so that a certain distance is formed between the top of the water seal core 1 and the closed end of the water seal cover 2 (refer to fig. 1), thereby forming a drainage channel, and enabling water entering the water seal core to be smoothly drained; the bottom of the partition board 21 is provided with an inclined opening far away from one end of the cylinder wall of the water sealing cover, and the inclined opening is matched with the positioning boss 16, so that the stability of the installation of the water sealing cover 2 is improved. The water enclosure 2, the partition 21 and the hand piece 22 are integrally formed.

As shown in fig. 4, the water seal floor drain structure according to the exemplary embodiment of the present invention includes: the water seal structure, the connecting piece 3, the cover plate 4, the grate 5 and the floor drain box 6; the floor drain box 6 is of a cylindrical structure, the top is provided with a mounting port, the side wall is integrally provided with a water outlet pipe 7, the water outlet pipe 7 is arranged at the bottom of the floor drain box 6 and can also be arranged in the middle of the floor drain box, when the water outlet pipe is arranged in the middle of the floor drain box, a second water seal can be formed between the first cylinder wall of the water seal core 1 and the wall surface of the floor drain box 6, and the deodorization performance of the water seal floor drain is further improved; a connecting ring 8 is arranged at the mounting opening at the top of the floor drain box 6, the connecting ring 8 can be bonded at the mounting opening in an adhesion mode, so that the floor drain box 6 and the connecting ring 8 are stably connected, the connecting piece 3 is arranged in the connecting ring 8, the connecting ring 8 is made of elastic materials such as rubber, and the connecting ring 8 can enable the connecting piece 3 to be fastened in the floor drain box 6; the water seal structure is arranged in the connecting piece 3, the cylinder body of the water seal core 1 is positioned in the floor drain box 6, the cover plate 4 is arranged on the connecting piece 3, the grate 5 is arranged on the cover plate 4, the grate 5 is provided with a plurality of water inlets, and the water inlets are arranged in an array.

Referring to fig. 5, the connecting member 3 includes a first connecting member 31, a connecting sleeve 32, and a second connecting member 33, the connecting sleeve 32 being disposed in the first connecting member 31, and the second connecting member 33 being disposed in the connecting sleeve 32. The first connecting piece 31 comprises a disc-shaped first connecting plate and a first connecting column connected to the surface of the first connecting plate, the first connecting column is of a cylindrical structure, the first connecting column and the first connecting plate are coaxially arranged, a first through hole penetrating through the first connecting piece 31 is formed in the axial direction, and a thread is arranged on the wall of the first through hole; the bottom of the first connecting column is provided with an annular limiting plate 310 along the circumferential direction, and the limiting plate 310 is used for limiting the installation positions of the connecting sleeve 32 and the second connecting piece in the vertical direction; the top of the first through hole is provided with a first mounting hole 312, the first mounting hole 312 is used for positioning the mounting position of the connecting sleeve 32, referring to fig. 9, the bottom of the first connecting plate (the surface where the first connecting plate is connected with the first connecting column) is further provided with a plurality of bar-shaped holes 311, the bar-shaped holes 311 can be arranged in parallel, floor drain mounting openings reserved on the ground are close to the wall, when the first connecting member 31 cannot be placed into the reserved floor drain mounting openings due to position interference, the first connecting member 31 can be broken along the bar-shaped holes 311, and the first connecting member 31 is suitable for mounting openings of different mounting positions.

The connecting sleeve 32 is a cylindrical structure with two open ends, the inner wall of the connecting sleeve is provided with a thread matched with the second connecting piece 33, and the outer wall of the connecting sleeve is provided with a thread matched with the first connecting piece 31; the outer wall of the connecting sleeve 32 is uniformly provided with a plurality of water outlets 320 along the circumferential direction, the water outlets 320 are strip-shaped openings arranged along the height direction of the connecting sleeve 32, when the water seal floor drain is arranged at a designed position, water permeating into the ground can be discharged into the floor drain box through the water outlets 320, so that the water seepage into the ground is prevented, and the waterproof effect is realized. The height of the connecting sleeve 32 is less than that of the first connecting piece 31, the top of the connecting sleeve 32 is further provided with a third boss 321, the third boss 321 is used for positioning the connecting sleeve 32, when the connecting sleeve 32 is installed on the first connecting piece 31, the bottom surface of the third boss 321 contacts with the surface of the first installing port 312 of the first connecting piece 31, so that the connecting sleeve 32 is positioned on the first connecting piece 31, and the bottom of the connecting sleeve 32 is separated from the limiting plate 310 of the first connecting piece 31 by a certain distance, so that water infiltrated into the ground is smoothly discharged into the floor drain box through the water outlet 320.

The second connecting piece 33 comprises a second connecting plate with a rectangular cross section and a second connecting column coaxially arranged at the bottom of the second connecting plate, and the second connecting piece 33 is provided with a second through hole penetrating through the second connecting piece 33 along the axial direction; the second connecting column is of a cylindrical structure, threads matched with the connecting sleeve 32 are arranged on the outer surface of the second connecting column, and the height of the second connecting column is not more than that of the connecting sleeve 32; and a second mounting port 330 is formed in the surface of the second connecting plate along the circumferential direction of the second through hole, the second mounting port 330 is used for mounting the water seal core, and when the water seal core is mounted on the second connecting piece 33, the top surface of the water seal core is not higher than the surface of the second connecting piece 33.

Referring to fig. 6-7, after the floor drain box 6, the water seal core 1, the water seal cover 2, the connecting member 3 (the first connecting member 31, the connecting sleeve 32, the second connecting member 33), the cover plate 4 and the grate 5 are connected, the second boss 15 of the water seal core 1 is clamped at the second mounting port 330 of the second connecting member 33 (refer to fig. 8), so that the bottom of the water seal core 1 is separated from the bottom of the floor drain box 6 by a certain distance to form a drainage channel, which is convenient for drainage; the baffle plate of the water sealing cover 2 leans against the positioning boss 16 of the water sealing core 1, so that the open end of the water sealing cover 2 is separated from the bottom of the water sealing core 1 by a certain distance, and the closed end of the water sealing cover 2 is separated from the top of the second cylinder wall 12 of the water sealing core 1 by a certain distance, so that water in the water sealing core 1 can be conveniently discharged into the floor drain box 6; the bottom of apron 4 is provided with the mounting groove 41 with the second connecting plate tip looks adaptation of second connecting piece 33, and when apron 4 was installed on second connecting piece 33, the mounting groove 41 block of the bottom of apron 4 was on the second connecting plate, and apron 4 covers the tip of second connecting piece 33, has improved the aesthetic property of floor drain installation.

In the structure of the connecting piece 3, the first connecting piece 31 and the connecting sleeve 32 as well as the connecting sleeve 32 and the second connecting piece 33 are connected through threads, so that the installation is convenient and quick, and the connection stability of all parts can be ensured; due to the adoption of threaded connection, the mounting height of the second connecting piece 33 in the vertical direction can be adjusted (refer to fig. 7), so that the water seal floor drain can be suitable for the ground with different mounting heights, and the mounting flexibility of the water seal floor drain is improved; when the overall height of the tile paved on the surfaces of the common waterproof layer and the common waterproof layer is larger than the design height, the second connecting piece 33 can be upwards screwed out for a certain distance along the vertical direction, and the distance between the first connecting plate of the first connecting piece 31 and the second connecting plate of the third connecting piece 33 is increased, so that the water seal floor drain is suitable for different installation heights.

In the using process, when the water seal structure is damaged or sediment appears in the water seal core to influence drainage, the grate 5 can be opened, the water seal core 1 and the water seal cover 2 are taken out from the floor drain box 6 for replacement, or after the sediment in the water seal core 1 is cleaned, the water seal core 1 is installed in the connecting piece 3 again, so that the sediment in the water seal core 1 is prevented from breeding bacteria to influence the indoor environment.

When water is drained, surface water enters the water seal core 1 from the water inlet of the grate 5, enters the floor drain box 6 through the opening in the top of the second cylinder wall 12 and is drained through the water outlet pipe 7; when water seeps from the ground, the water seeping into the ground is drained into the floor drain box 6 through the water outlet 320 (refer to fig. 7 and 8) under the action of the first connecting piece 31, so that the moisture on the ground is prevented from breeding bacteria, the water leakage is prevented, the waterproof effect is realized, and the wall body of a floor is protected; after the water is drained, the water remained in the water seal core and the water seal cover form a water seal, so that the odor is prevented from overflowing.

The utility model discloses a water seal floor drain can be pre-buried the use, when pre-buried, pre-buried the floor drain box in design position department, adopts the apron with floor drain box looks adaptation to cover the installing port at floor drain box top, reserves the installation space of other parts of floor drain simultaneously, and the apron sets up with the floor drain box is coaxial, and the apron cross section is circular, and the apron radius is bigger than the installing port radius of floor drain box by 20 ~ 150mm; by arranging the cover plate, construction materials (such as cement mortar) can be prevented from falling into the floor drain box to block a pipeline and influence drainage, after the floor drain box is pre-buried, waterproof or other construction is carried out on the floor drain box, and tiles are paved; when the pre-buried floor drain box is used for draining water in the later period, tiles and water at the pre-buried position of the floor drain box are cut off in a waterproof mode, the pre-buried floor drain box is exposed, a cover plate at the top of the floor drain box is broken by a tool, fragments of the cover plate are cleaned, a first connecting piece 31 is installed at the top of the floor drain box, the cover plate matched with a first through hole of the first connecting piece 31 is used for covering the first through hole of the first connecting piece 31, in the process of waterproof construction at the top of the first connecting piece 31, construction materials can be prevented from falling into the floor drain box to block a pipeline, after the waterproof construction and other construction are completed, the cover plate covered at the first connecting piece 31 is taken out, and a connecting sleeve 32, a third connecting piece 33, a water seal core 1, a water seal cover 2, a cover plate 4 and a grate 5 are sequentially installed, so that the surface of the grate is beautiful and glossy, and the attractiveness of the grate is ensured; or after the cover plate at the top of the floor drain box is broken and the cover plate fragments are cleaned, the first connecting piece 31, the connecting sleeve 32 and the second connecting piece 33 are connected into a whole and then are installed at the installation opening at the top of the floor drain box, the cover plate matched with the second connecting piece 33 is installed at the through hole of the second connecting piece 33, waterproof construction and tile paving are carried out at the top of the first connecting piece, after the construction is completed, the cover plate is taken out, and the water seal core 1, the water seal cover 2, the cover plate 4 and the grate 5 are sequentially installed.

In order to improve the pre-buried waterproof effect of the water seal floor drain, in the connecting piece structure, a floor drain waterproof layer 9 (refer to fig. 6, 7 and 10) can be arranged on the surface of the first connecting piece 31, and the floor drain waterproof layer 9 is made of polypropylene, so that accumulated water can be prevented from permeating into a wall body, and the waterproof performance is improved; the floor drain waterproof layer 9 can be bonded on the first connecting plate of the first connecting piece 31 through an adhesive, and the sectional area of the floor drain waterproof layer 9 is larger than that of the first connecting piece 31; the floor drain waterproof layer 9 can realize the secondary waterproof effect, after the first connecting piece 31 provided with the floor drain waterproof layer 9 is installed on the floor drain box, a common waterproof layer is overlapped on the surface of the floor drain waterproof layer 9, the installation area of the common waterproof layer is larger than that of the floor drain waterproof layer, when water seepage occurs at the installation position of the floor drain, only a small part of the permeated water flows into the floor drain waterproof layer 9 after passing through the common waterproof layer, the floor drain waterproof layer 9 guides the water flowing into the floor drain waterproof layer into the water outlet 320 and flows into the floor drain box 6 through the water outlet 320, so that the ground at the installation position of the floor drain is kept dry, the bacterial growth is reduced, and the secondary waterproof effect is realized.

The above description is only for the purpose of illustrating the embodiments of the present invention, and not for the purpose of limiting the same. Various substitutions, modifications and improvements may be made by those skilled in the relevant art without departing from the spirit and scope of the invention.

Claims

1. A water seal structure, comprising: the water seal structure comprises a water seal core (1) and a water seal cover (2) covered in the water seal core (1), wherein the water seal core (1) is of an integrally formed cylindrical structure, and the water seal cover (2) is of a cylindrical structure with one end open and the other end closed; the water seal core (1) comprises a first cylinder wall (11), a second cylinder wall (12) and a bottom plate (13), wherein the second cylinder wall (12) is arranged in the first cylinder wall (11), the bottom of the first cylinder wall (11) is connected with the bottom of the second cylinder wall (12) through the bottom plate (13), and a water seal cover cylinder body (23) of the water seal cover (2) is located in a water storage area between the first cylinder wall (11) and the second cylinder wall (12).

2. The water seal structure according to claim 1, wherein a first boss (14) is disposed on an outer side surface of the first cylinder wall (11), the first boss (14) is located at an upper portion of the first cylinder wall (11), and an annular seal groove (140) is disposed on the first boss (14).

3. The water seal structure according to claim 1, wherein a positioning boss (16) is arranged at the bottom of the second cylinder wall (12), and a plurality of partition plates (21) are uniformly arranged on the inner wall of the water seal cover (2) along the circumferential direction.

4. The water seal structure according to any one of claims 1 to 3, wherein the closed end surface of the water enclosure (2) is provided with a hand-held member (22).

5. A water seal floor drain, characterized in that includes: the water seal structure, the connecting piece (3), the cover plate (4), the grate (5), and the floor drain box (6) according to any one of claims 1 to 4; the floor drain box (6) is of a cylindrical structure, the top of the floor drain box is provided with a mounting hole, and the side wall of the floor drain box is provided with a water outlet pipe (7); the connecting piece (3) is arranged on the floor drain box (6), the water seal structure is arranged in the connecting piece (3), the cover plate (4) is arranged on the connecting piece (3), and the grate (5) is arranged on the cover plate (4).

6. Water seal floor drain according to claim 5, characterized in that the connecting piece (3) comprises a first connecting piece (31), a connecting sleeve (32) and a second connecting piece (33); the first connecting piece (31) is in threaded connection with the connecting sleeve (32), and the connecting sleeve (32) is in threaded connection with the second connecting piece (33).

7. The water seal floor drain according to claim 6, characterized in that a plurality of water outlets (320) are uniformly arranged on the outer wall of the connecting sleeve (32) along the circumferential direction.

8. The water seal floor drain of claim 6, wherein the first connecting member (31) comprises a first connecting plate in a disc shape and a first connecting column connected to the surface of the first connecting plate, the bottom of the first connecting column is provided with a limiting plate (310) along the circumferential direction, and the bottom of the first connecting plate is provided with a strip-shaped opening (311).

9. Water seal floor drain according to claim 6, characterized in that the surface of the first connecting piece (31) is provided with a floor drain waterproofing layer (9).

10. The water seal floor drain according to any one of the claims 6 to 9, wherein a connecting ring (8) is arranged at the mounting opening at the top of the floor drain box (6), the connecting ring (8) is bonded at the mounting opening by means of adhesion, the first connecting piece (31) is arranged in the connecting ring (8), and the connecting ring (8) is made of elastic material.