CN109056918B

CN109056918B - Multi-layer sealed stinking-proof drainage device

Info

Publication number: CN109056918B
Application number: CN201811143236.5A
Authority: CN
Inventors: 王啸秋; 王德臣
Original assignee: Dalian Xinpu Energy Saving Technology Co ltd
Current assignee: Dalian Xinpu Energy Saving Technology Co ltd
Priority date: 2018-09-28
Filing date: 2018-09-28
Publication date: 2024-04-16
Anticipated expiration: 2038-09-28
Also published as: CN109056918A

Abstract

The invention relates to the technical field of civil drainage, in particular to domestic water drainage, and especially relates to wastewater drainage of a hand basin and a vegetable basin. The method of the invention comprises the following steps: the water draining device and the telescopic pipe are connected with the water outlet end of the water draining device; the method is characterized in that: the deodorizing plug also comprises a fixed deodorizing core and a combined deodorizing plug structure; the fixed deodorization core is respectively arranged at the water inlet end of the drainer through a fixed nut and is fixedly arranged at the water outlet end of the drainer through a telescopic pipe; the combined deodorant plug structure is arranged at the tail end of the telescopic pipe; two fixed deodorant cores, a drainer and a combined deodorant plug structure form a multi-layer closed deodorant drainage device. The technical scheme of the invention realizes four layers and more of protection, and has the advantages of large impulsive force, quick drainage, difficult dirt deposition, multi-layer deodorization, simple cleaning, small volume, free assembly and the like, and the invention can generate positive social effect and obvious economic effect after being put into the market.

Description

Multi-layer sealed stinking-proof drainage device

Technical Field

The invention relates to the technical field of civil drainage, in particular to domestic water drainage, and especially relates to wastewater drainage of a hand basin and a vegetable basin.

Background

As the S-shaped device of the modern residential drainage system is gradually canceled, the deodorizing requirement on indoor drainage facilities is improved. At present, three types of commonly used wash basins and vegetable basin drainage are basically adopted, one type is mechanically closed, the other type is a telescopic drainage pipe, and the other type is a deep water seal type. The mechanical sealing is realized by adopting plastic and plastic hard combination, and dirt, fabrics, hair and the like in sewage can be stuck at the sealing position, so that the sealing is not tight, odor is returned and mosquitoes enter. The deep water seal type drainer has the advantages that sewage is discharged downwards after being turned back by two 180 degrees during drainage, the drainage speed is low, dirt is easy to precipitate, cleaning is difficult, the size is large, installation is inconvenient, water in the water seal of the deep water seal drainer can be often influenced by high-rise negative pressure, and the water seal is often damaged by air flow to lose sealing effect. The telescopic sewer pipe is bent into an S bend by the hands of a user, the S bend formed by bending influences drainage, the odor-resistant effect cannot be achieved at all, even if the hose is proper, the hose can deform under the pressure of water after a period of time, the sealing effect is lost, odor, bacteria, mosquitoes and the like can enter your home under the condition that you don't know, and the health of your and families is endangered.

Aiming at the problems in the prior art, a novel multi-layer closed deodorizing drainage device is researched and designed, so that the problems in the prior art are overcome.

Disclosure of Invention

According to the mechanical sealing, the sealing is not tight, odor is returned, and mosquitoes enter; the deep water seal type drainer has low drainage speed, is easy to precipitate dirt, is difficult to clean, has large volume and is inconvenient to install, water in the water seal of the deep water seal type drainer can be often influenced by high building negative pressure, and the water seal is often damaged by air flow to lose sealing effect; the telescopic sewer pipe is easy to lose the sealing effect, and odor, bacteria, mosquitoes and the like can enter the room under the unknowing condition, so that the technical problem of health of families is endangered, and the multilayer sealing deodorization drainage device is provided. The invention mainly divides the inside of a hard shell body which is obliquely designed into an upper channel and a lower channel, fixes the water level in a water seal at a reasonable height, adopts a semicircular inspection port as a corner to connect the upper channel and the lower channel, can reduce the drainage angle to the minimum, adopts a silica gel deodorization core and a plug type deodorization core for auxiliary sealing, inserts the silica gel deodorization core into the water seal, interacts with the multi-layer protection, and is used for solving the defects of various existing drainers, preventing harmful gases and mosquitoes from entering a room through a drainage system and endangering human health.

The invention adopts the following technical means:

A multi-layer enclosed odor-resistant drain comprising: the water draining device and the telescopic pipe are connected with the water outlet end of the water draining device; the method is characterized in that: the deodorizing plug also comprises a fixed deodorizing core and a combined deodorizing plug structure;

Further, the fixed deodorization core is respectively arranged at the water inlet end of the drainer through a fixed nut and is fixedly arranged at the water outlet end of the drainer through a telescopic pipe;

Further, the combined deodorant plug structure is arranged at the tail end of the telescopic pipe;

Further, two fixed deodorant cores, a drainer and a combined deodorant plug structure form a multi-layer closed deodorant drainage device.

Further, the drainer is a deodorizing drainer; comprising the following steps: two structures of an inclined double-row drainer and a special spherical drainer for a hanging cabinet.

Further, the inclined double-row drainer includes: the water dispenser comprises an inclined drainer main body, a backwater bowl and a standby flap; the inclined drainer main body is divided into three parts, namely a water inlet pipe body, an inclined pipe body and a sewer pipe body; the water inlet pipe body is arranged at the middle position of the upper part of the inclined pipe body and is communicated with the inclined pipe body; the sewer pipe body is arranged at the position, close to the upper end, of the lower part of the inclined pipe body and is communicated with the inclined pipe body; the inclined pipe body is inclined at an angle of 20-80 degrees, an inclined guide baffle is arranged in the middle of the inclined pipe body, and the lower end of the guide baffle is directly pointed to the center of a water return bowl but does not reach the center of the water return bowl; the flow guide partition plate divides the interior of the inclined pipe body into an upper drainage channel and a lower drainage channel; the upper drain channel opening part at the upper end of the inclined pipe body is provided with a standby water inlet which is closed by a standby flap, and the lower drain channel opening part is closed; the bottom end of the inclined pipe body is of an open structure, and the backwater bowl is in closed connection with the bottom end of the inclined pipe body through threads; the sewage is discharged from the fixed deodorization core and enters the upper cavity, after the direction of the sewage is changed by the guide plate, a certain impact force is generated by the slope of the upper cavity, the sewage enters the semicircular corner and is folded back to enter the lower cavity, the upper cavity is larger than or equal to the lower cavity, and the cross sections of the upper cavity and the lower cavity are larger than or equal to the cross section of the drain pipe of the drainer.

Further, a stopper is arranged on the outer wall of the inclined pipe body close to the lower port and used for blocking excessive assembly of the backwater bowl; a sealing ring groove is arranged on one side of the sealing device, which is opposite to the backwater bowl, and a sealing ring is arranged in the sealing ring groove;

further, the cross-sectional area of the drainage channel is the same as or slightly smaller than the cross-sectional area of the drainage pipe.

Further, the special spherical drainer for the hanging cabinet comprises a spherical drainer main body and a spherical backwater sealing cover; the spherical drainer main body consists of a water inlet pipeline, an inclined pipeline and a sewer pipeline; the inclined pipeline consists of a short upper drainage channel and a long lower drainage channel which are divided by a flow guide partition plate; the lower end of the water inlet pipeline is connected with the short upper drainage channel; the top end of the sewer pipe is connected with the upper end of the long lower drainage channel; the cross section area of the long drainage channel is the same as or slightly smaller than that of the drainage pipeline; the spherical backwater sealing cover is arranged at the lower part of the joint of the water inlet pipeline and the inclined pipeline to form an arc backwater channel;

further, the sewer pipe is divided into two forms of downward vertical arrangement and downward inclined arrangement;

Further, a stopper is arranged at the position, close to the lower port, of the outer wall of the inclined pipeline and is used for blocking excessive assembly of the spherical backwater sealing cover; a sealing ring groove is arranged on one side of the sealing device, which is opposite to the spherical backwater sealing cover, and a sealing ring is arranged in the sealing ring groove;

Further, the lower end of the flow guide baffle is directly pointed to the center of the water return bowl, but does not reach the center;

Further, a conical surface is arranged on the inner wall of the upper end of the water inlet pipeline.

Further, the whole of fixed deodorant core is made for silica gel, includes: the device comprises a conical mounting port, a cylindrical section structure, a gradual closing section, a dislocation closing port, a fitting closing section and a thickened outlet section; the top end of the cylindrical section structure is designed into a conical mounting opening, and the outer edge of the conical mounting opening is of an inward inclined conical structure from top to bottom; the lower part of the cylindrical section structure is provided with a gradual change closing section, and the gradual change closing section is a staggered closing opening of which the shape of a straight mouth is gradually changed from a circular mouth shape structure of the cylindrical section structure at the upper end to a straight mouth shape at the bottom end; the dislocation sealing port is formed by high-bottom drop of the closing end, which is generated by different gradual radians of two side edges of the gradual closing section; the bonding and sealing section is formed by bonding two latex sheets together at the lower part of the dislocation sealing port, and realizes water separation by utilizing the self characteristics of the latex product and sealing by anhydrous reduction bonding; the edge of the opening at the bottom of the joint sealing section is a thickened outlet, and trapezoid thickening treatment is arranged at the edges of the two latex sheets, so that the edges of the latex sheets have stronger reducing force.

Further, the upper end of the telescopic pipe is connected with the drainer, and the lower end is provided with a combined deodorant plug structure; the upper part of the telescopic pipe is provided with a hard installation cavity, and the opening part of the inner wall of the upper end of the installation cavity is provided with a wedge-shaped surface for installing and fixing the deodorization core.

Further, the combined deodorant plug structure comprises: a deodorizing plug cover, a reducing deodorizing plug and a plug deodorizing core; the upper end of the deodorization plug is provided with a mounting reference surface, a mounting caulking groove and a mounting hole; the plug type deodorization core and the variable-diameter deodorization plug sleeve are combined into a whole, and the upper fixing edge of the plug type deodorization core is lapped on the upper edge of the variable-diameter deodorization plug; the reducing deodorization plug is arranged in the deodorization plug upper cover, and the upper edge of the reducing deodorization plug is assembled with the installation reference surface in a fitting way; the upper fixing edge of the plug type deodorization core is embedded into the mounting caulking groove and is tightly attached;

Further, the plug type deodorization core is an integral structure which is formed by one-step molding of silica gel; the method sequentially comprises the following steps from top to bottom: the device comprises an upper fixing edge, a thick sealing sleeve, a thin sealing sleeve, a gradual closing-up section, a dislocation closing-up section, a fitting closing-up section and a thickened outlet section; the thick sealing sleeve and the thin sealing sleeve are in transitional concentric connection through a sealing table; the top end of the rough sealing sleeve is provided with an upper fixing edge; the lower end of the thin sealing sleeve is connected with the upper end of the gradual change closing-in section; the gradual change closing section is a staggered closing opening of which the shape of a straight mouth is gradually changed from a round mouth shape structure at the upper end to a straight mouth shape at the bottom end; the dislocation sealing port is formed by high-bottom drop of the closing end, which is generated by different gradual radians of two side edges of the gradual closing section; the bonding and sealing section is formed by bonding two latex sheets together at the lower part of the dislocation sealing port, and realizes water separation by utilizing the self characteristics of the latex product and sealing by anhydrous reduction bonding; the edge of the closing-in position at the bottom of the attaching closing section is a thickened outlet part, and trapezoid thickening treatment is arranged on the edges of the two latex sheets, so that the edges of the latex sheets have stronger reducing force;

Further, a wedge-shaped structure is arranged on the outer wall of the joint of the rough sealing sleeve and the upper fixing edge; the outer wall of the joint of the thin sealing sleeve and the sealing table is provided with a wedge-shaped structure; the two wedge structures are used for improving the tightness with the external connecting pipe fitting;

further, the reducing deodorant plug is of a short cylinder structure made of silica gel with certain hardness; the reducing deodorant plug is provided with an outer sealing wall and an inner sealing wall, and the top ends of the outer sealing wall and the inner sealing wall are connected through an upper edge; the upper part of the outer sealing wall is of a wedge-shaped design, the lower part of the outer sealing wall is provided with a < type sealing structure, and double sealing with the water pipe is realized through the wedge-shaped design and the < type sealing structure; the upper half section of the inner sealing wall is of a straight barrel section structure, and the lower half section is in arc-shaped closing-in design; the arc-shaped closing-in part is made of soft silica gel, so that the arc-shaped closing-in part is easy to deform;

Further, an inner support ring and an outer support ring are arranged in the deodorant upper cover; the inner diameter of the inner support ring is the same as the inner diameter of the mounting hole, and the outer diameter is slightly smaller than the inner diameter of the fine seal sleeve, so that the fine seal sleeve is supported and sealed after being mounted; the outer diameter of the outer support ring is slightly smaller than the inner diameter of the rough seal sleeve, and the rough seal sleeve is supported and sealed after being installed;

Further, at least one sealing ring is arranged on the outer walls of the thick sealing sleeve and the thin sealing sleeve at the top end of the < type > sealing structure.

Further, the upper portion of the fixing nut is provided with a conical mounting portion for connection with a pipeline of the telescopic pipe.

The technical implementation method of the invention is as follows:

When water in the basin passes through the metal turning plate to drain downwards, the water enters the staggered joint position in the fixed deodorization core through the arc-shaped shrinkage part, when a certain amount of water is reached, the closed end of the deodorization core is extruded to start draining downwards, the inclined upward upper drainage channel passes through the guide plate, the drained sewage is changed in direction along a slope to generate a certain impulsive force to directly point to the semicircular inspection opening below, the sewage is returned to enter the drainage channel of the lower cavity through the semicircular corner to finish water sealing, when the water amount continues to increase to exceed the water seal height, the sewage starts to drain downwards through the lower drainage pipe at the tail end of the lower drainage channel, enters the fixed deodorization core at the upper end of the telescopic hose, and then drains downwards to the telescopic hose to drain after passing through the deodorization plug (or the plug type deodorization core). The drainage rate is higher, the drainage speed is higher, the shell of the drainer is designed to be inclined to improve the water inlet height, impact force is generated through a slope to drain the drainer, the drainage speed and self-cleaning function are greatly improved, the drainer is designed to have a good corner, no dead angle exists in the drainer, sediment is not easy to generate, and a reserved water inlet can be connected with one or more drainage devices through three-way conversion. The fixed deodorant core of drainer upper end can fix the drainer again can prevent the peculiar smell that the drainer inside produced to get into indoor.

One side of the drainer is provided with a detachable semicircular inspection opening, which not only plays the roles of connecting an upper channel and a lower channel and turning angles, but also can regularly detach an outer cover to clean attachments on the inner wall of the drainer, when the drainage is finished, the closed end of the upper fixed deodorant core is restored to form a closed state, and the water seal in the drainer is also formed, so that the second closed state is completed.

The double-closed flexible hose is connected with the drainer to form multiple stinking-proof paths, and can also form double sealing if being singly used, when sewage of the drainer is drained down, the sewage enters the staggered joint of the upper end fixed stinking-proof core of the flexible hose, when a certain amount of water is reached, the sealed end of the stinking-proof core is flushed out to start draining down, the sewage enters the staggered joint of the plug-type stinking-proof core through the flexible hose, the sealed end of the plug-type stinking-proof core is flushed out, and when the draining is finished, the sealed end of the plug-type stinking-proof core automatically returns to a sealing state, thereby completing the upper layer and the lower layer sealing of the water inlet and the water outlet of the second-channel sealed flexible pipe. If the telescopic pipe part is artificially bent into an S-shaped bend, a water seal can be additionally arranged.

The invention can be made of various plastics such as ABS, novel nano materials, silica gel and the like.

Compared with the prior art, the invention has the following advantages:

1. The invention is designed with a fixed deodorization core and is positioned at the uppermost end of a basin drainage system, which is also the last defense line of the whole deodorization solution, the conical part at the upper end plays a role of fixing and sealing, the arc-shaped folded part in the middle of the fixed deodorization core can increase the water storage quantity in the deodorization core, the staggered lamination can concentrate sewage to the position of the best flushing and opening and sealing end, less water can be concentrated to one point for drainage, and the residual dirt of the sewage is not easy to be formed and adhered to the inner wall of the deodorization core; the outer side of the bottom of the fixed deodorization core adopts a triangular thickened outlet part, which is beneficial to the immediate restoration of the closed end when the drainage is stopped; the fixed deodorant core of this design can also prevent the phenomenon that the negative pressure that the high building produced destroyed the water seal effect, has blocked the foul smell through-hole phenomenon that causes because of the negative pressure.

2. The invention relates to a water draining channel of an inclined double-row drainer, which is of an inclined design, a flow guide baffle is arranged between an upper water draining channel and a lower water draining channel, and the direction of water coming from the upper side is changed to a corner.

3. The spherical drainer special for the hanging cabinet is specially designed for users using the hanging cabinet or other small cabinets, is small and exquisite, has stronger functions, and completes an upper and lower drainage channel, semicircular corners and water sealing in one sphere; the design of the flow guide partition plate changes the drainage direction of the sewage drained downwards and then is rotationally drained along the inner circle of the corner, and meanwhile, the height of the water seal is also improved; the invention controls the water level of the water sealing part and the height of the fixed deodorization core, so that the bottom of the fixed deodorization core is inserted into water of a water seal, and the reasonable depth is maintained, and the gap generated by adhering dirt on the deodorization core is filled with water, thereby helping the fixed deodorization core to realize full sealing, preventing bad gas in the drainer from returning upwards, protecting the fixed deodorization core and the fixed deodorization core from mutual protection and interaction, and ensuring that harmful gas generated in a sewer and the drainer cannot enter a room.

4. The design of the semicircular backwater bowl (spherical backwater sealing cover) not only can periodically check and clean dirt in the upper drainage pipeline and the lower drainage pipeline, but also can connect the upper drainage pipeline and the lower drainage pipeline by utilizing the semicircular design on the inner side, and the semicircular corner guides water flow with certain impulse force of the upper drainage pipeline into the lower drainage pipeline for drainage; due to the semicircular design, no dead angle exists, and sediment is not easy to generate; plays an important role in the whole drainage process.

5. The upper end of the water inlet pipe body of the inclined double-row drainer and the special spherical drainer for the hanging cabinet is provided with a standby connection port and is provided with internal threads or external threads, the connection port is also provided with a sealing cover for sealing, and when needed, the sealing cover is unscrewed to be connected with one or two tee joints to be connected with a plurality of drainage devices.

6. The invention designs a double-closed telescopic pipe, wherein a fixed deodorization core and an outer protective shell are arranged at the joint of the upper part of the telescopic pipe and a drainer, the outer protective shell is used for protecting the silica gel fixed deodorization core inside so as to prevent bending and shape shifting from influencing drainage and sealing effects, a first seal is formed, the lower end of the double-closed telescopic pipe is designed with threads which can be in seamless connection with a protective cover, then a plug type deodorization core is arranged, a PVC drain pipe is plugged in to complete a second seal, and the double-closed telescopic hose is the best choice of a user with a narrow space below a basin.

7. The combined deodorant plug structure designed by the invention comprises: a deodorizing plug cover, a reducing deodorizing plug and a plug deodorizing core;

the reducing deodorant plug is used for sealing odor and mosquitoes on the inner wall of a PVC pipeline and the outer wall of a telescopic pipe, the outer side of the upper part of the deodorant plug is sealed by the plug, the lower part of the deodorant plug is combined with a strip-shaped seal by a < shaped elastic seal, and the < shaped structure is used for controlling the pressure by fully utilizing the compression rebound property of silica gel and utilizing the strip-shaped seal. The two are combined, so that thorough deodorization can be completely guaranteed, the odor-resistant plug is additionally provided with a funnel-shaped circular inner closing ring with a wide upper part and a narrow lower part at the inner circle on the basis of preventing odor, mosquitoes and the like from returning upwards along the pipe wall of the PVC drain pipe, and the drain pipes with various specifications and sizes inserted into the inner circle are tightly hooped by utilizing the elastic contraction of silica gel. The odor-resistant plug can be matched with the plug-type odor-resistant core for use, and the plug-type odor-resistant core can be sleeved on the odor-resistant plug to basically meet the odor-resistant requirements of pipe diameters of various specifications.

The plug type deodorant core provided by the invention has the advantages that the outer sides of the upper part and the middle part are respectively sealed by the plug type deodorant core, the middle part of the outer side is sealed by the elastic strip type deodorant core, the middle lower part of the outer side is sealed by the strip type deodorant core, and then the outer sides are contracted to the joint parts from the two sides in an arc shape to form the joint seal by staggered joint. The plug type deodorization core can be matched with the deodorization plug for use, and can meet the sealing requirements of various pipe diameters.

The upper part of the deodorizing upper cover is provided with an internal thread and an external thread for seamless connection with the telescopic pipe, the threaded part extends downwards and is inserted into a sealing plug or a plug type sealing core, the top of the inner side of the upper cover adopts a stepped groove, and the size of the groove corresponds to the sizes of the deodorizing plug and the deodorizing core and is used for fixing the deodorizing plug and the deodorizing core with different specifications.

In summary, the drainer utilizes the external designs of double sealing, circular, elliptic, polygonal and the like, adopts the guide baffle to divide the shell into an upper drainage channel and a lower drainage channel, utilizes the detachable inspection port as a corner for connecting the upper channel and the lower channel, utilizes the upward inclination angle to enable the sewage of the lower row to generate impulsive force and increase pressure, improves the drainage speed to read and clean sediment, realizes water sealing, and also utilizes the perfect combination of the water sealing and the silica gel deodorization core to provide a whole set of solution for the household deodorization system. The invention makes up the traditional drainer, users bend S by themselves to form the deodorant convention, solve other mechanical drainers because of sealing the department and adhering to the filth, fabric, hair, etc., cause seal not tight, bacterium, odor, mosquito, etc. get into the indoor and endanger people' S health, while guaranteeing the superstrong drainage ability, the invention has the characteristics such as mainly sealing water, silica gel seals and assists, etc., can not merely reach four-layer and above protection, and have impact force big, drain fast, difficult deposit filth, multilayer deodorant, clean simple, small, a series of advantages such as the free assembly, it must produce positive social effect and apparent economic effect after putting into the market.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to the drawings without inventive effort to a person skilled in the art.

FIG. 1 is a schematic view of a construction of an inclined double-row drainer according to the present invention;

FIG. 2 is a schematic diagram of a spherical drainer (with a sewer pipe arranged vertically downwards) special for a hanging cabinet;

FIG. 3 is a schematic view of the structure of a spherical drainer (with a sewer pipe arranged obliquely downwards) special for a hanging cabinet;

FIG. 4 is a schematic view of a retaining nut;

FIG. 5 is a perspective view of a fixed deodorant core;

FIG. 6 is a schematic view of a fixed deodorant core structure;

FIG. 7 is an external view of the inclined double-row drainer;

FIG. 8 is a schematic view of a tilt double row drainer;

FIG. 9 is a schematic view of a main body structure of the inclined drainer;

FIG. 10 is a perspective view of a telescoping tube;

FIG. 11 is a schematic view of a telescopic tube structure;

fig. 12 is an outline view of a spherical drainer (sewer pipe is arranged obliquely downwards) special for a hanging cabinet;

FIG. 13 is a schematic view of the body structure of the spherical drainer;

Fig. 14 is an outline view of a spherical drainer (sewer pipe is arranged vertically downwards) special for a hanging cabinet;

FIG. 15 is a schematic structural view of a combined deodorant plug;

FIG. 16 is a schematic view of the structure of the deodorizing plug;

FIG. 17 is a schematic diagram of a reducing deodorant plug;

FIG. 18 is a schematic diagram of a plug type deodorant core structure;

FIG. 19 is a schematic diagram of a second embodiment of the present invention;

FIG. 20 is a schematic view of a three-structure assembled form of the present invention;

figure 21 is a schematic diagram of an assembled form of the present invention.

In the figure: 1. the sealing device comprises a fixing nut 11, a conical mounting part 2, a fixed deodorization core 21, a conical mounting port 22, a cylindrical section structure 23, a gradual closing-up section 24, a staggered closing-up section 25, a fitting closing-up section 26, a thickened outlet 3, an inclined double-row drainer 31, a backwater bowl 32, an inclined drainer main body 321, a water inlet pipe body 322, an upper drainage channel 323, an inclined pipe body 324, a standby water inlet 325, a diversion baffle 326, a lower drainage channel 327, a sewer pipe body 328, a sealing washer 329, a sealing ring groove 330, a sealing ring 33, a standby port cover 4, a telescopic pipe 41, a wedge surface 42, a mounting cavity 5, a combined deodorization plug structure 51, a deodorization plug cover 511, a mounting reference surface 512, a mounting caulking groove 513, a mounting hole 514, an outer support ring 515, an inner support ring 52, a variable diameter plug 521, an upper edge 522, an inner sealing wall 523, a wedge design 524, an outer sealing wall, a (type) sealing structure 526, a sealing ring 53, a plug core 531, an upper fixing edge 532, a wedge structure 533, a thick sealing sleeve 534, a sealing table 535, a sealing sleeve 6, a special sealing sleeve main body 61, a spherical drainer main body 61, a spherical sewer pipe body 61, a spherical drainage channel 614, a spherical sewer pipe 614, a spherical drainage channel 614, a spherical sewer pipe joint surface 614, a water return water drain channel 615 and a long sealing cover 613.

Detailed Description

It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present invention. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be clear that the dimensions of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention: the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.

Example 1

As shown in fig. 1, the present invention provides a multi-layer closed deodorizing drain device, comprising: the water draining device and the telescopic pipe 4 are connected with the water outlet end of the water draining device; the method is characterized in that: the deodorizing plug also comprises a fixed deodorizing core 2 and a combined deodorizing plug structure 5; the fixed deodorization core 2 is respectively arranged at the water inlet end of the drainer through a fixing nut 1 and is fixedly arranged at the water outlet end of the drainer through a telescopic pipe 4; the combined deodorant plug structure 5 is arranged at the tail end of the telescopic pipe 4; two fixed deodorant cores 2, a drainer and a combined deodorant plug structure 5 form a multi-layer closed deodorant drainage device.

The drainer is a deodorization drainer and is an inclined double-row drainer 3; the inclined double-row drainer 3 includes: the inclined drainer main body 32, the backwater bowl 31 and the standby flap 33; the inclined drainer main body 32 is divided into three parts, namely, a water inlet pipe body 321, an inclined pipe body 323, and a drain pipe body 327; the water inlet pipe 321 is arranged at the middle position of the upper part of the inclined pipe 323 and is communicated with the inclined pipe 323; the sewer pipe 327 is arranged at a position near the upper end of the lower part of the inclined pipe 323 and is communicated with the inclined pipe 323; the middle of the inclined pipe body 323 is provided with an inclined guide baffle 325, and the lower end of the guide baffle 325 is directly pointed to the center of the backwater bowl 31 but does not reach the center; the deflector 325 divides the inside of the inclined pipe body 323 into an upper drain passage 322 and a lower drain passage 326; the mouth of the upper drainage channel 322 at the upper end of the inclined pipe body 323 is provided with a standby water inlet 324, the opening of the lower drainage channel 326 is sealed by a standby flap 33; the bottom end of the inclined pipe body 323 is of an open structure, and the backwater bowl 31 is in closed connection with the bottom end of the inclined pipe body 323 through threads; a stopper 328 is arranged on the outer wall of the inclined pipe body 323 near the lower port and is used for blocking excessive assembly of the backwater bowl 31; a sealing ring groove 329 is arranged on the side, facing the backwater bowl 31, of the sealing stopper 328, and a sealing ring 330 is arranged in the sealing ring groove 329; the cross-sectional area of the drain channel 326 is the same as the cross-sectional area of the drain pipe 327 or slightly smaller than the cross-sectional area of the drain pipe 327.

The whole of fixed deodorant core 2 is made for silica gel, includes: the conical mounting port 21, the cylindrical section structure 22, the gradual closing-in section 23, the dislocation closing-in section 24, the fitting closing-in section 25 and the thickened outlet section 26; the top end of the cylindrical section structure 22 is designed into a conical mounting opening 21, and the outer edge of the conical mounting opening 21 is of a conical structure which is inclined inwards from top to bottom; the lower part of the cylindrical section structure 22 is provided with a gradual change closing-up section 23, and the gradual change closing-up section 23 is a staggered closing-up opening 24 which gradually changes from a round opening type structure of the cylindrical section structure 22 at the upper end to a straight opening type at the bottom end; the dislocation closing port 24 is formed by high-bottom drop of the closing end caused by different gradual radians of two side edges of the gradual closing section 23; the attaching and closing section 25 is formed by attaching two latex sheets together at the lower part of the dislocation closing port 24, and realizes water separation by utilizing the self characteristics of the latex product and closing by anhydrous reduction; the edge of the opening at the bottom of the attaching and closing section 25 is a thickened outlet 26, and trapezoid thickening treatment is arranged at the edges of two latex sheets, so that the edges of the latex sheets have stronger reducing force.

The upper end of the telescopic pipe 4 is connected with a drainer, and the lower end is provided with a combined deodorant plug structure 5; the upper portion of flexible pipe 4 is provided with stereoplasm installation chamber 42, and the upper end inner wall oral area of installation chamber 42 is provided with wedge 41 for install fixed deodorant core 2.

The combined deodorant plug structure 5 comprises: a deodorizing upper cover 51, a reducing deodorizing plug 52 and a plug deodorizing core 53; the deodorant upper cover 51 is opened at the lower end, and the upper end is provided with a mounting reference surface 511, a mounting caulking groove 512 and a mounting hole 513; the plug type deodorization core 53 and the plug bush of the variable-diameter deodorization plug 52 are combined into a whole, and the upper fixed edge 531 of the plug type deodorization core 53 is lapped on the upper edge 521 of the variable-diameter deodorization plug 52; the reducing deodorant plug 52 is arranged in the deodorant plug upper cover 51, and the upper edge 521 is assembled with the installation reference surface 511 in a fitting way; the upper fixing edge 531 of the plug type deodorization core 53 is embedded into the mounting caulking groove 512 and is tightly attached; the plug type deodorization core 53 is an integral structure made of silica gel by one-step molding; the method sequentially comprises the following steps from top to bottom: an upper fixing edge 531, a thick sealing sleeve 533, a thin sealing sleeve 535, a gradual closing section 23, a dislocation closing section 24, a fitting closing section 25 and a thickened outlet section 26; the coarse seal sleeve 533 and the fine seal sleeve 535 are transitionally concentric with each other via a seal land 534; the top end of the rough sealing sleeve 533 is provided with an upper fixing edge 531; the lower end of the thin sealing sleeve 535 is connected with the upper end of the gradual change closing-in section 23; the gradual change closing-in section 23 is a staggered closing-in 24 of which the shape of the straight mouth is gradually changed from a round mouth shape structure at the upper end to a straight mouth shape at the bottom end; the dislocation closing port 24 is formed by high-bottom drop of the closing end caused by different gradual radians of two side edges of the gradual closing section 23; the attaching and closing section 25 is formed by attaching two latex sheets together at the lower part of the dislocation closing port 24, and realizes water separation by utilizing the self characteristics of the latex product and closing by anhydrous reduction; the edge of the closing part 25 is a thickened outlet part 26, and trapezoid thickening treatment is arranged on the edges of two latex sheets, so that the edges of the latex sheets have stronger reducing force; the outer wall of the connection part of the thick sealing sleeve 533 and the upper fixing edge 531 is provided with a wedge-shaped structure 532; the outer wall where the thin sealing sleeve 535 is connected to the sealing land 534 is provided with a wedge structure 532; the two wedge structures 532 are provided to increase the tightness with the external connection tube; the reducing deodorant plug 52 is of a short cylinder structure made of silica gel with certain hardness; the reducing deodorant plug 52 has an outer sealing wall 524 and an inner sealing wall 522, and the top ends of the outer sealing wall 524 and the inner sealing wall 522 are connected by an upper edge 521; the upper part of the outer sealing wall 524 is provided with a wedge-shaped design 523, the lower part is provided with a < type sealing structure 525, and double sealing with a water pipe is realized through the wedge-shaped design 523 and the < type sealing structure 525; the upper half section of the inner sealing wall 522 is of a straight cylinder section structure, and the lower half section is in arc-shaped closing-in design; the arc-shaped closing-in part is made of soft silica gel, so that the arc-shaped closing-in part is easy to deform; an inner support ring 515 and an outer support ring 514 are arranged in the deodorant upper cover 51; the inner diameter of the inner support ring 515 is the same as the inner diameter of the mounting hole 513, and the outer diameter is slightly smaller than the inner diameter of the fine seal sleeve 535, and the fine seal sleeve 535 is supported and sealed after being mounted; the outer diameter of the outer support ring 514 is slightly smaller than the inner diameter of the rough seal sleeve 533, and the rough seal sleeve 533 is supported and sealed after being installed; at least one sealing ring 526 is provided on the top end of the < seal structure 525 and on the outer walls of the coarse sealing sleeve 533 and the fine sealing sleeve 535.

The upper part of the fixing nut 1 is provided with a conical mounting part 11 for connection with the pipe line of the telescopic pipe 4.

Example 2

As shown in fig. 2, on the basis of embodiment 1, the present invention further provides a multi-layer closed deodorizing and draining device, comprising: the water draining device and the telescopic pipe 4 are connected with the water outlet end of the water draining device; the method is characterized in that: the deodorizing plug also comprises a fixed deodorizing core 2 and a combined deodorizing plug structure 5; the fixed deodorization core 2 is respectively arranged at the water inlet end of the drainer through a fixing nut 1 and is fixedly arranged at the water outlet end of the drainer through a telescopic pipe 4; the combined deodorant plug structure 5 is arranged at the tail end of the telescopic pipe 4; two fixed deodorant cores 2, a drainer and a combined deodorant plug structure 5 form a multi-layer closed deodorant drainage device.

The drainer is a deodorization type drainer which is a spherical drainer 6 special for a hanging cabinet; the special spherical drainer 6 for the hanging cabinet comprises a spherical drainer main body 61 and a spherical backwater sealing cover 62; the spherical drainer main body 61 is composed of a water inlet pipe 612, an inclined pipe, and a sewer pipe 615; the inclined pipeline is composed of a short upper drainage channel 613 and a long lower drainage channel 614 which are divided by a flow guide partition 325; the lower end of the water inlet pipeline 612 is connected with a short upper drainage channel 613; the top end of the sewer pipe 615 is connected with the upper end of the long sewer pipe 614; the cross-sectional area of the long drain channel 614 is the same as the cross-sectional area of the drain channel 615 or slightly less than the cross-sectional area of the drain channel 615; the spherical backwater cover 62 is arranged at the lower part of the junction of the water inlet pipeline 612 and the inclined pipeline to form an arc backwater channel; the sewer pipe 615 is divided into a position where the outer wall of the inclined pipe is vertically arranged downwards and is close to the lower port, and a stopper 328 is arranged for blocking excessive assembly of the spherical backwater sealing cover 62; a seal ring groove 329 is arranged on one side of the sealing device 328, which is opposite to the spherical backwater sealing cover 62, and a seal ring 330 is arranged in the seal ring groove; the lower end of the flow guide clapboard 325 is directly pointed to the center of the water return bowl, but does not reach the center; the inner wall of the upper end of the water inlet pipe 612 is provided with a conical surface 611.

Example 3

As shown in fig. 3, on the basis of embodiment 2, the present invention further provides a multi-layer closed deodorizing and draining device, comprising: the water draining device and the telescopic pipe 4 are connected with the water outlet end of the water draining device; the method is characterized in that: the deodorizing plug also comprises a fixed deodorizing core 2 and a combined deodorizing plug structure 5; the fixed deodorization core 2 is respectively arranged at the water inlet end of the drainer through a fixing nut 1 and is fixedly arranged at the water outlet end of the drainer through a telescopic pipe 4; the combined deodorant plug structure 5 is arranged at the tail end of the telescopic pipe 4; two fixed deodorant cores 2, a drainer and a combined deodorant plug structure 5 form a multi-layer closed deodorant drainage device.

The drainer is a deodorization type drainer which is a spherical drainer 6 special for a hanging cabinet; the special spherical drainer 6 for the hanging cabinet comprises a spherical drainer main body 61 and a spherical backwater sealing cover 62; the spherical drainer main body 61 is composed of a water inlet pipe 612, an inclined pipe, and a sewer pipe 615; the inclined pipeline is composed of a short upper drainage channel 613 and a long lower drainage channel 614 which are divided by a flow guide partition 325; the lower end of the water inlet pipeline 612 is connected with a short upper drainage channel 613; the top end of the sewer pipe 615 is connected with the upper end of the long sewer pipe 614; the cross-sectional area of the long drain channel 614 is the same as the cross-sectional area of the drain channel 615 or slightly less than the cross-sectional area of the drain channel 615; the spherical backwater cover 62 is arranged at the lower part of the junction of the water inlet pipeline 612 and the inclined pipeline to form an arc backwater channel; the sewer pipe 615 is arranged in a downward inclined way; a stopper 328 is arranged on the outer wall of the inclined pipeline near the lower port and is used for blocking the excessive assembly of the spherical backwater sealing cover 62; a seal ring groove 329 is arranged on one side of the sealing device 328, which is opposite to the spherical backwater sealing cover 62, and a seal ring 330 is arranged in the seal ring groove; the lower end of the flow guide clapboard 325 is directly pointed to the center of the water return bowl, but does not reach the center; the inner wall of the upper end of the water inlet pipe 612 is provided with a conical surface 611.

Example 4

As shown in fig. 19, on the basis of embodiment 1, the present invention further provides a multi-layer closed deodorizing and draining device, comprising: the water draining device and the telescopic pipe 4 are connected with the water outlet end of the water draining device; the method is characterized in that: the deodorant core (2) is fixed; the fixed deodorization core 2 is respectively arranged at the water inlet end of the drainer through a fixing nut 1 and is fixedly arranged at the water outlet end of the drainer through a telescopic pipe 4; two fixed deodorant cores 2, a drainer and a telescopic pipe 4 form a multi-layer closed deodorant drainage device.

Example 5

As shown in fig. 20, on the basis of embodiment 1, the present invention further provides a multi-layer closed deodorizing and draining device, comprising: the water draining device and the telescopic pipe 4 are connected with the water outlet end of the water draining device; the method is characterized in that: the deodorant core (2) is fixed; the fixed deodorization core 2 is respectively arranged at the water inlet end of the drainer through a fixing nut 1 and is fixedly arranged at the water outlet end of the drainer through a telescopic pipe 4; the fixed deodorization core 2 and the drainer extension pipe 4 form a multi-layer closed deodorization drainage device.

The drain is deodorant type drain is inclined double drain 3 includes: the inclined drainer main body 32, the backwater bowl 31 and the standby flap 33; the inclined drainer main body 32 is divided into three parts, namely, a water inlet pipe body 321, an inclined pipe body 323, and a drain pipe body 327; the water inlet pipe 321 is arranged at the middle position of the upper part of the inclined pipe 323 and is communicated with the inclined pipe 323; the sewer pipe 327 is arranged at a position near the upper end of the lower part of the inclined pipe 323 and is communicated with the inclined pipe 323; the middle of the inclined pipe body 323 is provided with an inclined guide baffle 325, and the lower end of the guide baffle 325 is directly pointed to the center of the backwater bowl 31 but does not reach the center; the deflector 325 divides the inside of the inclined pipe body 323 into an upper drain passage 322 and a lower drain passage 326; the mouth of the upper drainage channel 322 at the upper end of the inclined pipe body 323 is provided with a standby water inlet 324, the opening of the lower drainage channel 326 is sealed by a standby flap 33; the bottom end of the inclined pipe body 323 is of an open structure, and the backwater bowl 31 is in closed connection with the bottom end of the inclined pipe body 323 through threads;

A stopper 328 is arranged on the outer wall of the inclined pipe body 323 near the lower port and is used for blocking excessive assembly of the backwater bowl 31; a sealing ring groove 329 is arranged on the side, facing the backwater bowl 31, of the sealing stopper 328, and a sealing ring 330 is arranged in the sealing ring groove 329;

The cross-sectional area of the drain channel 326 described below is the same as the cross-sectional area of the drain pipe 327 or slightly smaller than the cross-sectional area of the drain pipe 327.

Example 6

As shown in fig. 21, on the basis of embodiment 1, the present invention further provides a multi-layer closed deodorizing and draining device, comprising: the telescopic pipe 4 is connected with the water outlet end of the drainer; the method is characterized in that: the deodorant core (2) is fixed;

the fixed deodorization cores 2 are respectively arranged on the telescopic pipes 4 through the fixing nuts 1;

The fixed deodorization core 2 and the telescopic pipe 4 form a multi-layer closed deodorization drainage device.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.

Claims

1. A multi-layer enclosed odor-resistant drain comprising: the water draining device and the telescopic pipe (4), the telescopic pipe (4) is connected with the water outlet end of the water draining device; the method is characterized in that: the deodorizing device also comprises a fixed deodorizing core (2) and a combined deodorizing plug structure (5);

The fixed deodorization core (2) is respectively arranged at the water inlet end of the drainer through a fixed nut (1) and is fixedly arranged at the water outlet end of the drainer through a telescopic pipe (4);

the combined deodorant plug structure (5) is arranged at the tail end of the telescopic pipe (4);

two fixed deodorant cores (2), a drainer and a combined deodorant plug structure (5) form a multi-layer closed deodorant drainage device;

The combined deodorant plug structure (5) comprises: a deodorizing upper cover (51), a reducing deodorizing plug (52) and a plug deodorizing core (53); the deodorizing plug cover (51) is opened at the lower end, and the upper end is provided with a mounting reference surface (511), a mounting caulking groove (512) and a mounting hole (513); the plug type deodorization core (53) and the plug bush of the variable-diameter deodorization plug (52) are combined into a whole, and an upper fixing edge (531) of the plug type deodorization core (53) is lapped on an upper edge (521) of the variable-diameter deodorization plug (52); the reducing deodorization plug (52) is arranged in the deodorization plug upper cover (51), and the upper edge (521) of the reducing deodorization plug is assembled with the installation reference surface (511) in a fitting way; the upper fixing edge (531) of the plug type deodorization core (53) is embedded into the mounting caulking groove (512) and is tightly attached to play a role in connection and fixation;

the plug type deodorization core (53) is an integral structure formed by one-step molding of silica gel; the method sequentially comprises the following steps from top to bottom: the device comprises an upper fixing edge (531), a thick sealing sleeve (533), a thin sealing sleeve (535), a gradual closing-up section (23), a dislocation closing-up section (24), a fitting closing-up section (25) and a thickened outlet section (26); the thick sealing sleeve (533) and the thin sealing sleeve (535) are connected in a transitional and concentric manner through a sealing table (534); the top end of the thick sealing sleeve (533) is provided with an upper fixing edge (531); the lower end of the thin sealing sleeve (535) is connected with the upper end of the gradual change closing-in section (23); the gradual change closing-in section (23) is a staggered closing-in opening (24) of which the shape of a straight mouth is gradually changed from a round mouth shape structure at the upper end to a straight mouth shape at the bottom end; the dislocation closing opening (24) is formed by high-bottom drop of the closing end caused by different gradual radians of two side edges of the gradual closing section (23); the attaching and closing section (25) is formed by attaching two latex sheets together at the lower part of the dislocation closing opening (24), and realizes water separation by utilizing the self characteristics of the latex product and closing by anhydrous reduction; the edge of the closing part (25) at the bottom is a thickened outlet part (26), and trapezoid thickening treatment is arranged on the edges of the two latex sheets, so that the edges of the latex sheets have stronger reducing force;

The outer wall of the connection part of the thick sealing sleeve (533) and the upper fixing edge (531) is provided with a wedge-shaped structure (532); the outer wall of the joint of the thin sealing sleeve (535) and the sealing platform (534) is provided with a wedge-shaped structure (532); two wedge structures (532) to increase the tightness with the external connection tube;

the reducing deodorant plug (52) is of a short cylinder structure made of silica gel with certain hardness; the reducing deodorization plug (52) is provided with an outer sealing wall (524) and an inner sealing wall (522), and the top ends of the outer sealing wall (524) and the inner sealing wall (522) are connected through an upper edge (521); the upper part of the outer sealing wall (524) is provided with a wedge-shaped design (523), the lower part is provided with a < type sealing structure (525), and double sealing with a water pipe is realized through the wedge-shaped design (523) and the < type sealing structure (525); the upper half section of the inner sealing wall (522) is of a straight barrel section structure, and the lower half section is in arc-shaped closing-in design; the arc-shaped closing-in part is made of soft silica gel, so that the arc-shaped closing-in part is easy to deform;

An inner support ring (515) and an outer support ring (514) are arranged in the deodorizing upper cover (51); the inner diameter of the inner supporting ring (515) is the same as the inner diameter of the mounting hole (513), the outer diameter is slightly smaller than the inner diameter of the fine sealing sleeve (535), and the fine sealing sleeve (535) is supported and sealed after being mounted; the outer diameter of the outer support ring (514) is slightly smaller than the inner diameter of the rough seal sleeve (533), and the rough seal sleeve (533) is supported and sealed after being installed;

At least one sealing ring (526) is arranged on the top end of the < type > sealing structure (525) and the outer walls of the thick sealing sleeve (533) and the thin sealing sleeve (535).

2. The multi-layer closed deodorizing drain unit according to claim 1, wherein the drainer is a deodorizing drainer; comprising the following steps: two structures of an inclined double-row drainer (3) and a special spherical drainer (6) for a hanging cabinet.

3. The multi-layer closed deodorizing drain device according to claim 2, characterized in that said inclined double-row drainer (3) comprises: a tilting drainer main body (32), a backwater bowl (31) and a standby flap (33); the inclined drainer main body (32) is divided into three parts, namely a water inlet pipe body (321), an inclined pipe body (323) and a sewer pipe body (327); the water inlet pipe body (321) is arranged at the middle position of the upper part of the inclined pipe body (323) and is communicated with the inclined pipe body (323); the sewer pipe body (327) is arranged at the position, close to the upper end, of the lower part of the inclined pipe body (323) and is communicated with the inclined pipe body (323); the middle of the inclined pipe body (323) is provided with an inclined guide baffle plate (325), and the lower end of the guide baffle plate (325) is directly pointed to the center of the water return bowl (31) but does not reach the center; the flow guide baffle plate (325) divides the interior of the inclined pipe body (323) into an upper drainage channel (322) and a lower drainage channel (326); the mouth part of the upper drainage channel (322) at the upper end of the inclined pipe body (323) is provided with a standby water inlet (324), the opening part of the lower drainage channel (326) is sealed by a standby flap (33); the bottom end of the inclined pipe body (323) is of an open structure, and the backwater bowl (31) is in closed connection with the bottom end of the inclined pipe body (323) through threads;

A stopper (328) is arranged on the outer wall of the inclined pipe body (323) close to the lower port and is used for blocking excessive assembly of the backwater bowl (31); a sealing ring groove (329) is arranged on one side of the sealing device (328) which is opposite to the backwater bowl (31), and a sealing ring (330) is arranged in the sealing ring groove;

the cross section area of the lower drainage channel (326) is the same as that of the lower water pipe body (327), or is slightly smaller than that of the lower water pipe body (327).

4. The multi-layer closed deodorizing drain device according to claim 2, characterized in that the special spherical drainer (6) for the hanging cabinet comprises a spherical drainer main body (61) and a spherical backwater sealing cover (62); the spherical drainer main body (61) is composed of a water inlet pipeline (612), an inclined pipeline and a sewer pipeline (615); the inclined pipeline consists of a short upper drainage channel (613) and a long lower drainage channel (614) which are divided by a flow guide baffle plate (325); the lower end of the water inlet pipeline (612) is connected with a short upper drainage channel (613); the top end of the sewer pipe (615) is connected with the upper end of the long sewer drainage channel (614); the cross-sectional area of the long drainage channel (614) is the same as the cross-sectional area of the sewer pipe (615), or is slightly smaller than the cross-sectional area of the sewer pipe (615); the spherical backwater sealing cover (62) is arranged at the lower part of the joint of the water inlet pipeline (612) and the inclined pipeline to form an arc backwater channel;

The sewer pipe (615) is divided into a downward vertical mode and a downward inclined mode;

a stopper (328) is arranged at the position, close to the lower port, of the outer wall of the inclined pipeline and is used for blocking excessive assembly of the spherical backwater sealing cover (62); a sealing ring groove (329) is arranged on one side of the sealing device (328) opposite to the spherical backwater sealing cover (62), and a sealing ring (330) is arranged in the sealing ring groove;

the lower end of the flow guide clapboard (325) is directly pointed to the circle center of the water return bowl, but does not reach the circle center;

The inner wall of the upper end of the water inlet pipeline (612) is provided with a conical surface (611).