CN210658592U - Urinal sewer impurity separator - Google Patents

Abstract

The utility model discloses a urinal drainage impurity separator, wherein the urinal is provided with a drainage hole and a drainage pipe connected with the drainage hole; the method comprises the following steps: the base is fixedly arranged at the drainage hole and is provided with a water storage tank and a drainage channel; the water storage tank is used for receiving sewage or flushing water, and the wall of the water storage tank is provided with an overflow small hole communicated with the drain pipe; the drainage channel is provided with a water passing hole communicated with the water storage tank and the drainage pipe; the lowest water passing level of the water passing port is higher than the overflow small hole; a lifting cover provided with a floating part and a blocking part; the floating part is positioned in the water storage tank and ascends and descends by virtue of the buoyancy of water; the plugging part is used for plugging the water passing opening when the water passing opening descends to the lowest position and opening the water passing opening when the water passing opening ascends. The urinal sewer impurity separator solves the problems of unstable structure, small drainage flow and low speed of the existing urinal sewer impurity separator.

Description

Urinal sewer impurity separator

Technical Field

The utility model relates to a technical field of urinal offal structure, concretely relates to urinal offal separates miscellaneous ware.

Background

The drainage impurity isolator of the existing urinal is mostly made of ceramics, is directly placed at the drainage hole of the urinal and is easy to shake under the impact of water flow in the flushing process, so that the problems of large sound and influence on the use experience of a user exist; in addition, the filtering and draining functions of the existing sewage impurity separator of the urinal are realized by forming small holes or adopting a bent pipe with an S-shaped structure, the draining speed is low, and water accumulation is easily caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned defect or the problem that exist among the background art, provide a urinal offal impurity separator, this urinal offal impurity separator has solved current urinal offal impurity separator structure unstability and the problem that the drainage flow is little, slow speed.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a urinal drainage impurity separator is provided with a drainage hole and a drainage pipe connected with the drainage hole; the method comprises the following steps: the base is fixedly arranged at the drainage hole and is provided with a water storage tank and a drainage channel; the water storage tank is used for receiving sewage or flushing water, and the wall of the water storage tank is provided with an overflow small hole communicated with a drain pipe; the drainage channel is provided with a water passing hole communicated with the water storage tank and the drainage pipe; the lowest water passing level of the water passing port is higher than the overflow small hole; a lifting cover provided with a floating part and a blocking part; the floating part is positioned in the water storage tank and ascends and descends by virtue of the buoyancy of water; the plugging part is used for plugging the water passing opening when the water passing opening descends to the lowest position and opening the water passing opening when the water passing opening ascends.

Furthermore, the drainage channel extends along the vertical direction, and an upper port of the drainage channel horizontally forms the water passing port; the water storage tank is annularly arranged on the periphery of the drainage channel.

Furthermore, the base is of a revolving body structure and comprises side plates and partition plates which are annularly arranged; the partition plate is arranged in a space formed by enclosing the side plates, the bottom end of the partition plate is fixedly connected with the bottom end of the side plate, and the partition plate and the side plates enclose to form a water storage tank with a V-shaped section; the drainage channel is formed by enclosing the inner wall surface of the partition plate; the overflow small holes are formed in the partition plate.

Further, the lifting cover comprises a cover plate and a floating ring; the cover plate is matched with the drain hole to cover; when the cover plate is lowered to the lowest position, the periphery of the cover plate is arranged at intervals with the inner wall surface of the drain hole; the floating ring is of an annular structure and is fixedly connected to the lower surface of the cover plate to form the floating part; the floating ring is provided with an inclined plane matched with the partition plate; the blocking part is composed of the lower surface or the inclined surface of the cover plate.

Furthermore, the lifting cover is also provided with a limiting part; the limiting part is in limiting fit with the base to limit the lifting cover to be separated from the base.

Furthermore, the lifting cover also comprises a plurality of limiting columns; each limit column is vertically and fixedly connected to the lower surface of the floating ring or the cover plate along the circumferential direction; the lower end of the baffle is positioned in the drainage channel and is provided with a bending part which inclines towards one side of the partition plate; the bending part is matched with the inner wall surface of the upper end of the partition board to be in limit butt joint. And constitutes the limiting part.

Furthermore, a plurality of guide ribs are distributed on the inner wall surface of the side plate along the circumferential direction so as to be attached to the outer side wall of the floating ring.

Furthermore, the upper surface of the cover plate is of a curved surface structure which is bent downwards.

Further, the outer side wall of the base is matched with the inner wall surface of the drain hole in shape and is tightly attached to the drain hole.

Furthermore, a butting surface is arranged in the drain hole to limit the base to slide downwards.

Further, when the plugging portion plugs the water passing opening, the bottom end of the floating portion is higher than or flush with the small overflow hole.

As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following advantages:

1. in the technical scheme, the base is fixedly arranged at the position of the drainage hole, and the lifting cover rises or falls on the base under the action of buoyancy; when the urinal is flushed or used by a user, water flows into the water storage tank along the side plate of the urinal, small sundries fall into the water storage tank along with the water, large sundries are isolated above the sewer impurity isolator to achieve the impurity isolating effect, the floating part on the lifting cover rises along with the continuous increase of water in the water storage tank, at the moment, the blocking part is separated from the water passing port, the water in the water storage tank flows into the drainage channel from the water passing port and flows into the drainage pipe from the drainage channel, the state of the lifting cover is stable under the action of buoyancy, and the lifting cover is not easy to collide or generate large sound; the flow is large during drainage, and the drainage speed is high; when stopping the bath back, the water that is less than the minimum water level of crossing at the mouth of a river in the catch basin can flow from the overflow aperture, and the water level in the catch basin constantly reduces, and when the water level reduced to level with the overflow aperture, the lift lid falls back to the lowest position, and at this moment, the mouth of a river is crossed in shutoff again to shutoff portion, has realized effects such as deodorant, protection against insects.

2. The drainage channel is arranged to extend along the vertical direction, so that the drainage process is smoother and stains are not easy to accumulate; the lower end of the drainage channel is connected with the inner pipeline of the drainage pipe, and the upper end of the drainage channel forms a water passing port, so that the structure capable of being plugged on the lifting cover is simpler, and the effect of opening and plugging functions of the water passing port under the structure is optimal; the water passing opening is horizontally arranged, so that water in the water storage tank can flow into the drainage channel from any direction around the water passing opening, and the drainage speed is higher.

3. The integral structure and the forming process of the base are simple, and the manufacturing cost is low; the water storage tank is arranged to be of a V-shaped cross section, on one hand, the area of the water storage tank for receiving the base at the drainage hole of the urinal is small, and the lower end of the base is arranged to be of a tip-shaped structure, so that the water storage tank can be reliably abutted against the urinal; on the other hand, on the basis of convenient installation, the drainage channel is ensured to have larger drainage area as much as possible; the lower end of the drainage channel in the structural form is larger than the upper end, so that a certain flow slowing effect is achieved, when the lower end of the drainage channel is connected with the inner pipeline of the drainage pipe, the water flow impact force in the drainage process is small, the noise generated during flushing is correspondingly small, and the user experience is better.

4. The cover plate is used for covering the drain hole, has a certain decorative effect, improves the aesthetic degree of the urinal, and can realize an odor isolation effect to a certain degree; when the lifting cover is lowered to the lowest position, the periphery of the cover plate and the inner wall surface of the drain hole are arranged at intervals, so that flushing water or sewage can normally flow into the water storage tank to realize drainage.

5. Set up spacing portion, can mode lift lid break away from the base, structural stability is better.

6. The setting of spacing post both can play certain positioning action to the elevating movement of lift lid, and it has still realized the spacing relation of lift lid and base with simple structure simultaneously.

7. The guide ribs are attached to the outer wall of the floating ring, so that the floating ring can be lifted by the guide surface formed by surrounding each guide rib all the time, and the stability of the lifting cover in the lifting process is improved.

8. The upper surface of the cover plate is of a curved surface structure, so that water falling on the cover plate can be guided, and the drainage effect is better.

9. The outer side wall of the base is matched with the inner wall surface of the drain hole in shape and is tightly attached, the sealing performance is good, and dirt can be prevented from falling into a gap to influence the appearance.

10. The structural stability of the base on the urinal is ensured by the arrangement of the abutting surface.

11. When the plugging part plugs the water passing hole, the bottom end of the floating part is higher than or flush with the small overflow hole, so that the lifting cover can stably fall back and abut against the base when descending to the lowest position, and the structure stability and the odor-proof and insect-proof effects are good; if the lifting cover is lowered to the lowest position, the blocking portion is not blocked at the water passing opening, a period of time is required to be waited, so that after the water in the water storage tank is evaporated to a certain degree, the lifting cover can fall back to the blocking portion to be blocked at the water passing opening, and in the way, the peculiar smell in the drainage pipe can escape possibly in the process of waiting for the water evaporation, and the use experience of a user is influenced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic cross-sectional view of a urinal drain trap according to an embodiment of the present invention after the urinal drain trap is mounted on the urinal;

FIG. 2 is a schematic view of a three-dimensional exploded structure of a urinal drain trap according to an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of a urinal drain trap according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional structure view of a urinal drain trap according to an embodiment of the present invention;

FIG. 5 is a first usage state diagram of the urinal drain impurity separator according to the embodiment of the present invention when applied to a urinal;

fig. 6 is a second usage state diagram of the urinal drain impurity separator according to the embodiment of the present invention when applied to a urinal.

Description of the main reference numerals:

a urinal 10; a drain hole 101; an abutment surface 1011; a drain pipe 102; a base 1; a water storage tank 11; an overflow aperture 110; a drain passage 12; a water passing port 121; side plates 13; the guide ribs 131; a partition plate 14; a lifting cover 2; a floating section 21; a sealing part 22; a cover plate 23; a floating ring 24; an inclined surface 241; a stopper post 25; the stopper 251.

Detailed Description

The technical solution in 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. It is obvious that the described embodiments are preferred embodiments of the invention and should not be considered as excluding other embodiments. Based on the embodiment of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention.

In the claims, the specification and the drawings, unless otherwise expressly limited, the terms "first," "second," or "third," etc. are used for distinguishing between different elements and not for describing a particular sequence.

In the claims, the specification and the drawings, unless otherwise expressly limited, to the extent that directional terms such as "center", "lateral", "longitudinal", "horizontal", "vertical", "top", "bottom", "inner", "outer", "upper", "lower", "front", "rear", "left", "right", "clockwise", "counterclockwise" and the like are used, the positional or orientational relationships illustrated in the drawings are based on the positional and orientational relationships illustrated in the drawings and are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the present invention in any way.

In the claims, the description and the drawings of the present application, unless otherwise expressly limited, the term "fixedly connected" or "fixedly connected" is used, which is to be understood broadly, that is, any connection mode without displacement relation or relative rotation relation between the two, that is, including non-detachably fixed connection, integrated connection and fixed connection through other devices or elements.

In the claims, the specification and the drawings, the terms "including", "comprising" and variations thereof, if used, are intended to be inclusive and not limiting.

Referring to fig. 1 to 6, fig. 1 to 6 show a urinal sewage trap and a schematic structural diagram of the urinal sewage trap applied to the urinal according to an embodiment of the present invention. As shown in fig. 1 to 6, a urinal 10 according to an embodiment of the present invention includes a base 1 and a lifting cover 2; the urinal 10 of the present embodiment is provided with a drain hole 101 and a drain pipe 102 connected to the drain hole 101, and it should be understood that the drain hole 101 and the drain pipe 102 are communicated with each other.

In the water drainage impurity isolator of the urinal 10, a base 1 is fixedly arranged at a water drainage hole 101, and a water storage tank 11 and a drainage channel 12 are arranged in the base; the water storage tank 11 is used for receiving sewage or flushing water, and the wall of the water storage tank is provided with an overflow small hole 110 communicated with the drain pipe 102; the drain passage 12 is provided with a water passing hole for communicating the water storage tank 11 and the drain pipe 102, and the lowest water level of the water passing hole is higher than that of the overflow small hole 110.

In order to ensure a large flow of water out of the sewage trap, it is preferable that the drainage channel 12 in this embodiment extends in a vertical direction, an upper end port of the drainage channel 12 forms the water passing port 121, the water storage tank 11 is disposed around the periphery of the drainage channel 12, that is, when the water passing port 121 is in an open state, as long as the water level in the water storage tank 11 rises to be flush with the lowest water level of the water passing port 121, the water in the water storage tank 11 flows into the drainage pipe 102 through the water passing port 121 via the water channel, and the water passing port 121 is disposed at the upper end of the drainage channel 12 and is in a horizontal arrangement, so that it is possible to conveniently close or open the drainage channel, and at the same time, it is ensured that the water in the water storage tank 11 can flow into the drainage channel 12 from any direction around the water passing port 121.

In the present embodiment, the base 1 is a solid of revolution structure, which includes a side plate 13 and a partition plate 14 both arranged in a ring shape; the partition plate 14 is arranged in a space formed by enclosing the side plate 13, the bottom end of the partition plate is fixedly connected with the bottom end of the side plate 13, and the partition plate and the side plate 13 enclose to form a water storage tank 11 with a V-shaped section; the drainage channel 12 is formed by enclosing the inner wall surface of the partition plate 14; the overflow apertures 110 open onto the divider plate 14. The integral structure and the forming process of the base 1 are simple, and the manufacturing cost is low; the water storage tank 11 is provided with a V-shaped cross section, on one hand, the area of the drain hole 101 of the urinal 10 for receiving the base 1 is small, and the lower end of the base 1 is provided with a tip-shaped structure, so that the water storage tank can be reliably abutted against the urinal 10; on the other hand, on the basis of convenient installation, the drainage channel 12 is ensured to have a larger drainage area as much as possible; the lower end of the drainage channel 12 in the structural form has a larger water passing area than the upper end, so that a certain flow slowing effect is achieved, when the lower end of the drainage channel is connected with the inner pipeline of the drainage pipe 102, the water flow impact force in the drainage process is small, the noise generated during flushing is correspondingly small, and the user experience is better.

Specifically, the side plate 13 in this embodiment is used to match with the inner wall surface of the drain hole 101, the partition plate 14 is disposed in an inclined manner, the outer wall surface of the partition plate 14 and the inner wall surface of the side plate 13 enclose the water storage tank 11, which is defined to form the above-mentioned requirement, and the open end of the water storage tank is upward, thereby facilitating the function of receiving sewage or flush water, when in use, water in the urinal 10 will flow into the water storage tank 11 along the inner wall surface of the urinal 10; the inner wall surface of the partition plate 14 surrounds and defines the required drainage channel 12, the structure and the forming process of the whole base 1 are simple, the material using area is small, the weight of the product is greatly reduced, and meanwhile, the production cost of the product can be effectively reduced.

In order to avoid water and dirt from entering the gap between the base 1 and the wall of the drain hole 101, it is preferable that the outer side wall of the base 1 in this embodiment is matched with the inner wall of the drain hole 101 in shape and closely attached; that is, in the present embodiment, the outer wall surface of the side plate 13 of the base 1 is closely attached to the inner wall surface of the drainage hole 101; preventing the stain from being accumulated to influence the appearance.

It will be appreciated that the flow rate of the flush water into the reservoir 11 during flushing is greater than the flow rate of the water exiting the overflow aperture 110, thereby ensuring that the reservoir 11 is full or has an increasing water level.

The lifting cover 2 is provided with a floating part 21 and a blocking part 22, the floating part 21 is positioned in the water storage tank 11 and rises or falls by virtue of the buoyancy of water, namely, when the water level of the water in the water storage tank 11 rises continuously, the floating part 21 rises along with the rise of the water level, and the whole lifting cover 2 rises; when the water level in the reservoir 11 is lowered, the floating portion 21 is lowered, and the whole elevating cover 2 is lowered.

The blocking portion 22 is used to block the water passing hole when lowered to the lowest position and to open the water passing port 121 when raised.

Specifically, the lift cap 2 includes a cover plate 23 and a floating ring 24 fixedly connected to each other; the cover plate 23 is provided to cover the drain hole 101, thereby improving the appearance of the urinal 10. When the cover plate 23 is lowered to the lowest position, the periphery thereof is spaced from the inner wall surface of the drain hole 101, and the gap between the periphery and the inner wall surface meets the requirement that water flowing down from the inner wall surface of the urinal 10 can flow into the water storage tank 11; it will be understood, of course, that if the cover plate 23 is lowered to the lowest position, the periphery of the cover plate 23 is in sealing engagement with the inner wall of the drain hole 101, but an inlet opening needs to be provided in the cover plate 23 to ensure that water can flow into the reservoir 11 smoothly.

The floating ring 24 is of an annular structure, is fixedly connected to the lower surface of the cover plate 23, and forms the floating part 21; the floating ring 24 is provided with an inclined surface 241 matched with the partition plate 14; the blocking portion 22 of the elevating cover 2 may be formed by the lower surface or the inclined surface 241 of the cover plate 23; in the present embodiment, the closing portion 22 of the elevating cover 2 is formed by the inclined surface 241 of the floating ring 24, and when the elevating cover 2 is lowered to the lowest position, the inclined surface 241 is brought into sealing contact with the water passage port 121.

Preferably, the lifting cover 2 in this embodiment is further provided with a limiting portion 251, and the limiting portion 251 is used for limiting and matching with the base 1 to limit the lifting cover 2 to be separated from the base 1, so that the structural stability is better.

Specifically, the lifting cover 2 further comprises a plurality of limiting columns 25; each limit column 25 is vertically arranged, each limit column 25 is uniformly distributed along the circumferential direction, the upper end of each limit column 25 is fixedly connected with the floating ring 24 or the lower surface of the cover plate 23, the lower end of each limit column extends into the drainage channel 12, and a bent part inclined towards one side of the partition plate 14 is arranged, and when the lifting cover 2 rises to the highest position, the bent part is matched with the inner wall surface of the upper end of the partition plate 14 to form limit abutment, so that the lifting cover 2 is limited to be separated from the base 1; the bent portion constitutes the required position-limiting portion 251; the arrangement of the limit column 25 can play a certain positioning role in the lifting movement of the lifting cover 2, and simultaneously realize the limit relation between the lifting cover 2 and the base 1 by a simple structure. In addition, in the embodiment, in order to further improve the stability of the lifting cover 2 in the lifting process, the inner wall surface of the side plate 13 of the base 1 is provided with a plurality of guide ribs 13 distributed along the circumferential direction; one side that direction muscle 13 is close to floating ring 24 pastes with the lateral wall of floating ring 24 and leans on to this in-process of guaranteeing lift lid 2 to go up and down, floating ring 24 can only be enclosed the space that closes the formation by the lateral wall of each direction muscle 13 and goes up and down, guarantees the stability of its lift in-process, and then has guaranteed that lift lid 2 is difficult for rocking and producing the sound at the in-process that goes up and down. Preferably, in this embodiment, the upper ends of the plurality of guiding ribs 131 are higher than the upper ends of the side plates 13 to abut against the lower surface of the cover plate 23, so that the lifting cover 2 can be stably seated on the base when lowered to the lowest position, and the structural stability is further improved.

Preferably, the upper end of the limit post 25 in this embodiment is fixedly connected to the floating ring 24 and the upper end of the inclined surface 241, so as to form an included angle with the inclined surface 241, when the lifting cover 2 is lowered to the lowest position, the joint between the inclined surface 241 and the limit post 25 is hung on the upper end of the partition plate 14, and the structural stability is good.

In the lifting cover 2 of the embodiment, when the blocking part 22 on the lifting cover blocks the water passing hole 121, the bottom end of the floating part 21 is higher than or flush with the small overflow hole 110, so that the lifting cover 2 can stably fall back and abut against the base 1 when being lowered to the lowest position, and the structure stability and the odor-proof and insect-proof effects are good; if the plugging portion 22 is not plugged at the water passing opening 121 when the lifting cover 2 is lowered to the lowest position, a period of time is required to wait, so that after the water in the water storage tank 11 is evaporated to a certain degree, the lifting cover 2 will fall back to the plugging portion 22 to be plugged at the water passing opening 121.

Preferably, in this embodiment, the upper surface of the cover plate 23 is a curved surface structure bent downward, so as to guide water falling thereon, and achieve better drainage effect.

In order to fix the base 1 in the drain hole 101, the contact surface 1011 is arranged in the drain hole 101 of the urinal 10, and when the base 1 is arranged in place in the drain hole 101, the lower end of the base is matched and contacted with the contact surface 1011, so that the function of limiting the base 1 from sliding downwards relative to the drain hole 101 is realized, and the structural stability of the base 1 on the urinal 10 is ensured. In the urinal 10 applied to this embodiment, the drain hole 101 has a tapered structure with a large upper end and a small lower end, and the lower end side wall is formed with an arc-shaped inner chamfered surface constituting the required contact surface 1011.

In the embodiment of the utility model, when in actual installation, the base 1 is fixedly inserted into the drain hole 101, and when necessary, the outer side wall of the base 1 and the inner wall surface of the drain hole 101 are further sealed and fixed by applying sealant; after the base 1 is fixed in place, the limiting column 25 on the lifting cover 2 is obliquely inserted through the drainage port 121 and extends into the drainage channel 12, so that the installation of the urinal 10 on the urinal 10 in a manner of isolating is completed.

When the urinal 10 is used, water flowing down along the inner wall surface of the urinal flows into the water storage tank 11 through a gap between the cover plate 23 and the inner wall surface of the drain hole 101, the floating ring 24 rises under the action of buoyancy along with the rise of the water level of the water in the water storage tank 11, the water passing opening 121 is opened in the process of rising of the lifting cover 2, and after the water passes through the top end of the partition wall, the water in the water storage tank 11 flows into the drain channel 12 through the water passing opening 121 and is drained out through the drain pipe 102; in the process, the impurities flowing into the water storage tank 11 can be deposited in the water storage tank 11, so that a certain impurity isolation effect is realized; when the flushing in the urinal 10 is finished or the user urinates, the water in the water storage tank 11, which is lower than the lowest water passing level of the water passing hole, flows out through the overflow small hole 110, and when the water level in the water storage tank 11 drops to the lowest water passing level of the overflow small hole 110 again, the lifting cover 2 stops dropping, and one side of the inclined surface 241 of the floating ring 24 on the lifting cover blocks the water passing hole 121, so that the peculiar smell or insects in the drain pipe 102 are isolated.

By adopting the launching impurity isolator in the technical scheme, the base 1 is fixedly arranged at the drain hole 101, and the lifting cover 2 rises or falls on the base 1 under the action of buoyancy; when the urinal is flushed or used by a user, water flows into the water storage tank 11 along the side plate 13 of the urinal 10, small impurities fall into the water storage tank 11 along with the water, large impurities are isolated above the sewer impurity isolator, the impurity isolation effect is realized, the floating part 21 on the lifting cover 2 rises along with the continuous increase of water in the water storage tank 11, at the moment, the blocking part 22 is separated from the water passing port 121, the water in the water storage tank 11 flows into the drainage channel 12 from the water passing port 121 and flows into the drainage pipe 102 from the drainage channel 12, and under the action of buoyancy, the state of the lifting cover 2 is stable and is not easy to collide or generate large noise; the flow is large during drainage, and the drainage speed is high; after stopping the bath, the water that is less than the minimum excessive water level of water gap 121 in the catch basin 11 can flow out from overflow aperture 110, and the water level in the catch basin 11 constantly reduces, and when the water level reduced to level with overflow aperture 110, lift lid 2 dropped back to the lowest position, and at this moment, shutoff portion 22 blocked water gap 121 again, has realized effects such as deodorant, protection against insects.

Synthesize above analysis, the utility model discloses a technical scheme has solved all technical problem that the specification lists, has realized corresponding technological effect.

The description of the above specification and examples is intended to illustrate the scope of the invention, but should not be construed as limiting the scope of the invention. Modifications, equivalents and other improvements which may be made to the embodiments of the invention or to some of the technical features thereof by a person of ordinary skill in the art through logical analysis, reasoning or limited experimentation in light of the above teachings of the invention or the above embodiments are intended to be included within the scope of the invention.

Claims (11)

1. A urinal drainage impurity separator is provided with a drainage hole and a drainage pipe connected with the drainage hole; the method is characterized by comprising the following steps:

the base is fixedly arranged at the drainage hole and is provided with a water storage tank and a drainage channel; the water storage tank is used for receiving sewage or flushing water, and the wall of the water storage tank is provided with an overflow small hole communicated with a drain pipe; the drainage channel is provided with a water passing hole communicated with the water storage tank and the drainage pipe; the lowest water passing level of the water passing port is higher than the overflow small hole;

a lifting cover provided with a floating part and a blocking part; the floating part is positioned in the water storage tank and ascends and descends by virtue of the buoyancy of water;

the plugging part is used for plugging the water passing opening when the water passing opening descends to the lowest position and opening the water passing opening when the water passing opening ascends.

2. A urinal drain trap according to claim 1, wherein said drain passage extends in a vertical direction with its upper end horizontal and forming said water passing opening; the water storage tank is annularly arranged on the periphery of the drainage channel.

3. The urinal drain impurity separator according to claim 2, wherein the base is of a revolving structure, and comprises side plates and a partition plate which are both annularly arranged; the partition plate is arranged in a space formed by enclosing the side plates, the bottom end of the partition plate is fixedly connected with the bottom end of the side plate, and the partition plate and the side plates enclose to form a water storage tank with a V-shaped section; the drainage channel is formed by enclosing the inner wall surface of the partition plate; the overflow small holes are formed in the partition plate.

4. The urinal drain trap according to claim 3, wherein said elevating cover includes a cover plate and a floating ring; the cover plate is matched with the drain hole to cover; when the cover plate is lowered to the lowest position, the periphery of the cover plate is arranged at intervals with the inner wall surface of the drain hole; the floating ring is of an annular structure and is fixedly connected to the lower surface of the cover plate to form the floating part; the floating ring is provided with an inclined plane matched with the partition plate; the blocking part is composed of the lower surface or the inclined surface of the cover plate.

5. A urinal drain impurity separator according to claim 3 or 4, wherein the lifting cover is further provided with a limiting part; the limiting part is in limiting fit with the base to limit the lifting cover to be separated from the base.

6. The urinal sewer impurity separator according to claim 5, wherein said lifting cover further comprises a plurality of stopper posts; the limiting columns are distributed along the circumferential direction and are vertically and fixedly connected to the lower surface of the floating ring or the cover plate; the lower end of the baffle is positioned in the drainage channel and is provided with a bending part which inclines towards one side of the partition plate; the bending part is matched with the inner wall surface of the upper end of the partition board for limiting and abutting, and the limiting part is formed.

7. The urinal drain impurity separator according to claim 4, wherein a plurality of guide ribs are circumferentially distributed on the inner wall surface of the side plate to abut against the outer side wall of the floating ring.

8. The urinal drain trap according to claim 4, wherein the upper surface of the cover plate has a curved surface structure curved downward.

9. The urinal drain impurity separator according to claim 1, wherein the outer side wall of the base is matched in shape and closely attached to the inner wall surface of the drain hole.

10. The urinal drain trap as defined in claim 9, wherein an abutting surface is provided in the drain hole to restrict the base from sliding down.

11. The urinal drain impurity separator according to claim 1, wherein when the blocking portion blocks the drain hole, the bottom end of the floating portion is higher than or flush with the overflow aperture.

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