Dual deodorization floor drain
By combining a self-sealing seal with a water trap in the drain pipe, the problem of poor sealing in existing floor drains is solved, achieving a double seal to ensure that odors do not enter the room and improving the odor-proof effect of the floor drain.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2026-03-27
AI Technical Summary
During the sewage discharge process, the existing floor drain's water-blocking structure is prone to opening at too large an angle, causing gas to escape through the gaps and resulting in poor sealing, which cannot effectively prevent odors from the outdoor drainage pipe from flowing back into the room.
It adopts a dual sealing structure of self-sealing seal and drain pipe water trap. The self-sealing seal can be opened or closed automatically through threaded connection, and a water seal structure is formed at the lower end of the drain pipe. Combined with mechanical seal and water seal, it prevents odor from seeping into the ground.
It achieves a double sealing effect for the floor drain, effectively preventing odors from seeping into the room through the floor drain and improving odor prevention performance.
Smart Images

Figure CN224048327U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to floor drain technical field more specifically, it relates to a double deodorization floor drain. BACKGROUND
[0002] Floor drain is an important interface connecting drainage pipeline system and indoor floor, as an important part of the drainage system in the house, its performance can directly affect the indoor air quality.
[0003] At present, for example, the China patent of a kind of deodorization floor drain core with publication (announcement) No. CN215519092U discloses a kind of deodorization floor drain core, it includes shell, water inlet being located on the upper end of shell and water outlet being located on the lower end of shell, the outer edge of shell upper end extends out clamping plate, shell is composed of water guide part and drainage part, the lower end right side wall of drainage part is provided with hinged arm, front and back hinged arm between two ends is provided with deodorization flap, the middle part of deodorization flap is hinged with hinged arm, the left part of deodorization flap seals the water outlet, the right end of deodorization flap is provided with a gravity part;The working principle of the above-mentioned "deodorization floor drain core" is that, when sewage, sewage directly opens the left part of deodorization flap downward, to ensure that the sewage work is carried out smoothly, when the sewage is finished, gravity block can make the left part of deodorization flap reset using its own gravity, again the water outlet is sealed, at this time, the sealing structure can form two seals, directly the upwelling odor is isolated below the floor drain core, effectively plays the deodorization effect.
[0004] However, the above-mentioned "deodorization floor drain core" still has some problems: when the floor drain core discharges sewage, due to the variable water quantity, the water baffle on the water retaining structure sometimes appears the problem of opening angle too large, thereby causing part of gas to upwash through the gap of drainage port, the sealing effect is poor, in the above-mentioned special situation, the floor drain core body only uses single water retaining structure and cannot fully block the odor, and the problem of outdoor drainage pipe odor backflow into indoor is not fully solved. UTILITY MODEL CONTENTS
[0005] In view of the deficiencies in the prior art, the utility model aims at providing a double deodorization floor drain to solve the above technical problems.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a double deodorization floor drain, including a floor drain core seat which is through from top to bottom, a floor drain panel is installed on the open end of the floor drain core seat, a sewer pipe is formed on the lower part of the floor drain core seat, an internal thread interface for accommodating a self-sealing seal is formed on the upper end of the sewer pipe, the self-sealing seal enables the floor drain core seat to realize self-adaptive opening or closing, a drainage pipe is connected to the lower end of the sewer pipe, and the lower end of the drainage pipe has a water trap and is formed with a water outlet.
[0007] The utility model further sets up: the self sealing sealing element includes the cup body of inside hollow, the outer thread of cup body periphery surface is shaped with the outer thread interface adaptation, the cup body has the upper end opening and lower end opening and is equipped with the horizontal pole in the upper end opening.
[0008] The utility model further sets up: the cup body lower end opening contracts and forms the empty interval and is correspondingly provided with two hinged plates outside the empty interval, the counterweight box is hinged between two hinged plates, and the sealing cover for closing the lower end opening of the cup body is connected to one side of the counterweight box.
[0009] The utility model further sets up: the cup body lower opening end is connected with the sealing contact cover.
[0010] The utility model further sets up: the inner thread interface upper opening end is shaped with the subsided step and is built in the sealing ring in the subsided step, and the cup body top is shaped with the installation part of adaptation with the subsided step.
[0011] The utility model further sets up: the outer periphery surface of the connecting end of the drain pipe and the sewer pipe is provided with a plurality of through -holes at equal intervals and is spaced, and the bending piece is shaped in each through -hole, and the fastening screw sleeve that cooperates with the bending piece is connected with the outer ring of drain pipe.
[0012] The utility model further sets up: the bending piece outside lateral surface is shaped with the cooperation piece and the inside lateral surface is shaped with the contact block.
[0013] Summarized above, the utility model has following beneficial effects: the utility model discloses a double sealing structure of the mechanical seal of self sealing sealing element and the water seal of drain pipe water trap, effectively avoids that the peculiar smell in the pipeline is infiltrated by floor drain core seat into the ground, guarantees the deodorization performance of floor drain. ACCURATE DRAWINGS
[0014] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description only is some embodiments of the utility model, and for ordinary skilled person in the art, under the premise of not paying the creativity labor intensity, still can obtain other drawings according to these drawings.
[0015] Figure 1 It is the whole structure schematic diagram of the utility model;
[0016] Figure 2 It is the structure schematic diagram of the self sealing sealing element of the utility model;
[0017] Figure 3 It is Figure 1 It is the local structure enlarged schematic diagram of A in the middle.
[0018] Reference signs: 1, floor drain core seat; 10, floor drain panel; 2, drain pipe; 20, internal thread interface; 21, sunken step; 3, self-sealing seal; 30, cup body; 31, crossbar; 32, hinged plate; 33, counterweight box; 34, sealing cover; 35, sealing contact sleeve; 36, mounting portion; 4, drain pipe; 40, water trap; 41, water outlet; 42, through opening; 43, bent piece; 44, fastening rotary sleeve; 45, matching block; 46, contact block. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0020] Please refer to Figures 1-3 As shown in the figure, the utility model discloses a double deodorization floor drain, which comprises a floor drain core seat 1 penetrating through up and down, and the floor drain core seat 1 is provided with a floor drain panel 10 on the open end, and the lower part of the floor drain core seat 1 is formed with a drain pipe 2, the upper end of the drain pipe 2 is formed with an internal thread interface 20 for accommodating a self-sealing seal 3, the self-sealing seal 3 enables the floor drain core seat 1 to be self-adaptively opened or closed, and the lower end of the drain pipe 2 is connected with a drain pipe 4, and the lower end of the drain pipe 4 is provided with a water trap 40 and is formed with a water outlet 41.
[0021] In use, the utility model is installed in the preset drain port of the ground, the floor drain core seat 1 is provided with a self-sealing seal 3, water flows to the floor drain core seat 1 through the ground drain port and enters the drain pipe 2, the self-sealing seal 3 enables the drain pipe 2 to be self-adaptively opened or closed, and the self-adaptively opening and closing of the self-sealing seal 3 prevents gas and mosquitoes from invading the ground through the gap of the drain port;
[0022] On the other hand, the lower end of the drain pipe 2 is connected with the drain pipe 4, the lower end of the drain pipe 4 is provided with the water trap 40 and is formed with the water outlet 41, the water discharged through the self-sealing seal 3 passes through the water trap 40 and is discharged through the water outlet 41, and since the highest position of the liquid surface of the water outlet 41 of the drain pipe 4 is higher than the lowest position of the lower end of the water trap 40, a water seal structure is formed, thereby preventing odors from penetrating through the self-sealing seal and invading the ground through the drain pipe 4;
[0023] The utility model discloses a double sealing structure of mechanical sealing of the self-sealing seal 3 and water sealing of the water trap 40 of the drain pipe 4, which effectively prevents odors in the pipeline from penetrating into the ground through the floor drain core seat 1 and guarantees the deodorization performance of the floor drain.
[0024] The self-sealing seal 3 comprises an inner hollow cup 30, the outer periphery of the cup 30 is formed with external threads matched with the internal threaded interface 20, the cup 30 has an upper end opening and a lower end opening, and a horizontal rod 31 is arranged in the upper end opening.
[0025] In use, the self-sealing seal 3 is detachably arranged in the floor drain core seat 1 through threaded connection and cooperation, which is convenient for daily maintenance and replacement; the horizontal rod 31 provides a stable force point for loosening or tightening of the cup 30;
[0026] In specific installation, the lower end of the cup 30 of the self-sealing seal 3 is placed into the internal threaded interface 20, and the cup 30 is tightened through cooperation between the external threads on the outer periphery of the cup 30 and the internal threaded interface 20, so as to realize installation and fixation of the self-sealing seal 3, and the reverse operation can be performed for disassembly and replacement.
[0027] The lower end opening of the cup 30 is contracted to form an empty interval, and two hinged plates 32 are arranged outside the empty interval, a counterweight box 33 is hinged between the two hinged plates 32, and a sealing cover 34 for closing the lower end opening of the cup 30 is connected to one side of the counterweight box 33.
[0028] In use, the empty interval is used to accommodate the counterweight box 33 and the hinged plates 32, the counterweight box 33 is internally provided with a counterweight, and the torque of the counterweight box 33 acting on the hinged plates 32 is greater than the torque of the sealing cover 34 acting on the hinged plates 32; when the water level in the floor drain core seat 1 is lower than a certain liquid level, the sealing cover 34 always blocks the lower end opening of the cup 30; when the water level in the floor drain core seat 1 is higher than a certain liquid level, the sealing cover 34 is pressed down for drainage, and the opening and closing of the sealing cover 34 prevents gas and mosquitoes from invading through the gap of the lower end opening of the cup 30.
[0029] The sealing contact sleeve 35 is threadedly connected to the lower opening end of the cup 30.
[0030] In use, the sealing contact sleeve 35 cooperates with the sealing cover 34 to ensure the sealing effect of the two, and the sealing contact sleeve 35 is threadedly connected to the lower opening end of the cup 30, which is convenient for daily maintenance and replacement of the sealing contact sleeve 35.
[0031] The upper opening end of the internal threaded interface 20 is formed with a sunken step 21, the sunken step 21 is internally provided with a sealing ring, and the top of the cup 30 is formed with a mounting portion 36 matched with the sunken step 21.
[0032] In use, cooperation between the sunken step 21 and the mounting portion 36 ensures that the cup 30 can be accurately and quickly positioned during installation, and the sealing ring ensures the sealing performance between the cup 30 and the internal threaded interface 20.
[0033] The outer circumferential surface of the connecting end of the drain pipe 4 is provided with a plurality of through openings 42 equidistantly and spaced apart, each of the through openings 42 is formed with a bent piece 43, and a fastening sleeve 44 is threadedly connected to the outer ring of the drain pipe 4 and cooperates with the bent piece 43; the outer side surface of the bent piece 43 is formed with a cooperating block 45 and the inner side surface is formed with a contact block 46.
[0034] In use, the fastening sleeve 44 is connected to the drain pipe 4 by threadedly connecting, the inner circumferential surface of the fastening sleeve 44 is internally threaded and the outer circumferential surface of the sewer pipe 2 is externally threaded, when installing the drain pipe 4, the upper end of the drain pipe 4 is sleeved into the lower end of the sewer pipe 2, the fastening sleeve 44 is rotated to move axially upward along the drain pipe 4, at this time, the cooperating block 45 (the cooperating block 45 has a contact inclined surface) of the fastening sleeve 44 contacts the bent piece 43 and causes the bent piece 43 to bend towards the side of the sewer pipe 2, at this time, the bent piece 43 is pressed against the sewer pipe 2 by the contact block 46 to complete the connection and fixation of the two;
[0035] Among them, by setting the fastening sleeve 44, the relative position of the drain pipe 4 and the sewer pipe 2 can be flexibly adjusted to adapt to the ground drain of different depths.
[0036] Meanwhile, it needs to be pointed out that the terms such as "front", "rear", "vertical", "horizontal" and the like indicated by the directions or positional relationships based on the directions or positional relationships shown in the drawings, are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the protection scope of the utility model.
[0037] The above is only the preferred embodiment of the utility model, the protection scope of the utility model is not limited to the above-mentioned embodiment only, and any technical scheme belonging to the idea of the utility model shall belong to the protection scope of the utility model. It should be pointed out that for ordinary technical personnel in the technical field, some improvements and decorations without departing from the principle of the utility model shall also be regarded as the protection scope of the utility model.
Claims
1. A double deodorizing floor drain comprising a floor drain core (1) having a through hole, characterized in that: The floor drain core seat (1) is provided with a floor drain panel (10) on the opening end, and a sewer pipe (2) is formed at the lower part of the floor drain core seat (1), the upper end of the sewer pipe (2) is provided with an internal thread interface (20) for accommodating a self-sealing sealing element (3), the self-sealing sealing element (3) enables the floor drain core seat (1) to be automatically opened or closed, and the lower end of the sewer pipe (2) is connected with a drain pipe (4), the lower end of the drain pipe (4) is provided with a water storage bend (40) and is formed with a water outlet (41).
2. The dual odor control floor drain of claim 1, wherein: The self-sealing sealing element (3) comprises a hollow cup body (30), the outer circumferential surface of the cup body (30) is formed with an external thread matched with the internal thread interface (20), and the cup body (30) has an upper end opening and a lower end opening, and a horizontal rod (31) is arranged in the upper end opening.
3. The dual odor control floor drain of claim 2, wherein: The lower end opening of the cup body (30) is contracted to form an empty interval, and two hinged plates (32) are arranged outside the empty interval, and a counterweight box (33) is hinged between the two hinged plates (32), and the counterweight box (33) is connected with a sealing cover (34) on one side to close the lower end opening of the cup body (30).
4. The dual odor control floor drain of claim 2 or 3, wherein: The lower end opening of the cup body (30) is connected with a sealing contact sleeve (35).
5. The dual odor control floor drain of claim 1, wherein: The internal thread interface (20) is formed with a sunken step (21) on the opening end, and a sealing ring is arranged in the sunken step (21), and the top of the cup body (30) is formed with a mounting part (36) matched with the sunken step (21).
6. The dual odor control floor drain of claim 1, wherein: The outer circumferential surface of the connection end of the drain pipe (4) and the sewer pipe (2) is provided with a plurality of through openings (42) at equal intervals and spaced apart, each of the through openings (42) is formed with a bent piece (43), and the outer ring of the drain pipe (4) is threadedly connected with a fastening rotary sleeve (44) matched with the bent piece (43).
7. The dual odor control floor drain of claim 6, wherein: The outer side surface of the bent piece (43) is formed with a matching block (45), and the inner side surface is formed with a contact block (46).
Citation Information
Patent Citations
Deodorizing floor drain core
CN215519092U