CN210194832U - Floor drain - Google Patents

Abstract

The utility model discloses a floor drain has solved the technical problem that current floor drain drainage speed is slow, the easy ponding in ground, belongs to the technical field that drainage device made. The floor drain comprises a floor drain body, wherein the floor drain body comprises a first water drainage chamber and a second water drainage chamber; the top of the first drainage chamber is provided with a ground sewage inlet; a lower water pipe interface is arranged at the bottom or the side part of the second drainage chamber; the first water drainage chamber and the second water drainage chamber are communicated through a water drainage chamber connecting port, and the water drainage chamber connecting port is arranged on the bottom surface or the side surface of the first water drainage chamber; the joint of the drainage chambers is provided with a one-way drainage device, and the ground sewage flows into the second drainage chamber from the first drainage chamber in a one-way through the one-way drainage device and then is drained into the sewer pipe through the sewer pipe joint. The utility model provides a floor drain has bigger drainage space, the drainage that can be faster still has the function that can not return water to ground when connecting washing machine drain pipe drainage simultaneously.

Description

Floor drain

Technical Field

The utility model relates to a technical field that drainage device made especially relates to a floor drain.

Background

In daily life, the floor drain is an important interface for connecting a sewer pipe and the ground of an indoor bathroom and is used as an important part of a drainage system in a house, the quality of indoor air is directly influenced by the performance of the floor drain, and the floor drain is very important for controlling peculiar smell in the bathroom.

With the development of times, the requirements of people on living quality are higher and higher, and the traditional water seal floor drain is gradually replaced by various novel deodorant floor drains.

In the prior art, the odor-return-preventing device of the odor-resistant floor drain is usually arranged in a sewer pipe and is limited by the pipe diameter of the sewer pipe or the structure of the odor-resistant device, the drainage speed of the floor drain is usually slow, and the problem of surface water accumulation is often caused when a user bathes.

At present, a drain pipe of a washing machine needs to be inserted into a floor drain when the washing machine drains water, the drainage quantity of the washing machine during draining is large, the drainage speed is high, the drainage quantity of the existing floor drain is small, the drainage speed is low, and a water path for draining water by the washing machine in the floor drain is communicated with a water path for draining sewage on the ground, so that the problem that water returns to the ground of a bathroom due to unsmooth drainage of the floor drain is often caused when the washing machine drains water.

In the house type of urban residents in China, most bathrooms are not smooth in ventilation, and problems of wet ground, bacterial breeding and dirty air of the bathrooms are easily caused by surface water accumulation or washing machine water return, so that the living quality of the residents is adversely affected.

In order to solve the problem that the floor drain returns water to the ground when the washing machine drains water, the floor drain for preventing the floor drain from returning water when the washing machine drains water has the technical scheme that a water path for draining the ground sewage in the floor drain is omitted, so that the effect of preventing the floor drain from returning water is achieved. But the problem lies in that this floor drain can't be discharged ground sewage, needs the user to set up the floor drain that is used for ground sewage drainage in addition, has increased user's fitment cost and the complexity of construction.

In order to solve the problems, people urgently need a floor drain which has the advantages that on the basis of good deodorization effect, the functions of large water discharge amount and high water discharge speed are realized, the water discharge function and the ground water discharge function of a washing machine can be realized on one floor drain at the same time, and water does not return to the ground when the washing machine discharges water.

Disclosure of Invention

The utility model discloses to the technical problem that current floor drain displacement is little, cause surface gathered water easily and upwards return water, provide a floor drain quick, that prevent to return water of drainage.

In order to achieve the above object, the present invention provides the following technical solutions:

a floor drain comprises a floor drain body, wherein the floor drain body comprises a first drainage chamber and a second drainage chamber;

the top of the first water drainage chamber is provided with a ground sewage inlet;

a lower water pipe interface is arranged at the bottom or the side part of the second drainage chamber;

the first water drainage chamber and the second water drainage chamber are communicated through a water drainage chamber connecting port, and the water drainage chamber connecting port is arranged on the bottom surface or the side surface of the first water drainage chamber;

the joint of the drainage chambers is provided with a one-way drainage device, and the ground sewage flows into the second drainage chamber from the first drainage chamber in a one-way through the one-way drainage device and then is drained into the sewer pipe through the sewer pipe joint.

Further, the bottom surface of the second drain chamber is not higher than the bottom surface of the first drain chamber.

Furthermore, the top of the second drainage chamber is provided with more than one drainage pipe interface of the washing machine.

Further, one-way drainage device includes the frame and cover in breakwater on the frame, the breakwater is located one side that the drainage chamber connector is close to the second drainage chamber, the frame sets up the one side that is close to first drainage chamber at the drainage chamber connector, the one end of breakwater is articulated with the one end of drainage chamber connector or frame, under the impact of ground sewage, the breakwater is by the one-way opening of first drainage chamber to second drainage chamber direction, rivers cross the back, the breakwater closed cover the frame on, the frame links firmly with the drainage chamber connector.

Furthermore, when the drainage chamber connecting port is arranged on the bottom surface of the first drainage chamber, the water baffle is transversely arranged; the water baffle comprises a closing plate, a hinge device and a gravity balancing device, the closing plate covers the frame, the hinge device is arranged between the closing plate and the gravity balancing device, the water baffle is hinged with one end of a drainage chamber connector or the frame through the hinge device, the weight of the gravity balancing device is larger than or equal to that of the closing plate, the gravity balancing device is a gravity weight block, and the closing plate covers the frame under the action of the gravity balancing device.

Furthermore, when the drainage chamber connecting port is arranged on the side surface of the first drainage chamber, the water baffle is arranged vertically or obliquely, and the upper end of the water baffle is hinged with the upper edge of the drainage chamber connecting port or the upper edge of the frame;

when the water baffle is vertically arranged or the upper end of the water baffle is obliquely arranged towards the first water drainage chamber, the water baffle covers the frame under the action of gravity;

when the upper end of the water baffle is inclined towards the second drainage chamber, the lower end of the water baffle is provided with an N-pole magnet, an S-pole magnet is arranged at a position, corresponding to the N-pole magnet at the lower end of the water baffle, on the frame, and the water baffle covers the frame under the action of magnetic force.

Furthermore, when the drainage chamber connector is arranged on the side surface of the first drainage chamber, the water baffle comprises a beam positioned at the top end and an odor-returning prevention baffle positioned below the beam, the odor-returning prevention baffle covers the frame and is fixedly connected with the beam, and the beam is movably connected with the drainage chamber connector or the frame; the floor drain comprises a floor drain body and is characterized in that a cross beam is arranged below the top surface of the floor drain body, an observation window is arranged on the top surface of the floor drain body above the cross beam and fixedly connected with the floor drain body, pin shafts are arranged at two ends of the cross beam, grooves matched with the pin shafts are formed in a drainage chamber connector or a frame, and a water baffle is movably connected with the drainage chamber connector or the frame through the pin shafts.

Furthermore, the cross beam is in a shape of a cylinder transversely arranged, an identification line with a color different from that of the cross beam is axially arranged on the top surface of the cross beam, and the identification line is arranged right below the observation window and in the projection area of the observation window on the cross beam; when the water baffle rotates, a user can observe the position change of the identification line on the cross beam through the observation window.

Furthermore, when the second drain chamber is arranged on the side surface of the first drain chamber, the bottom surface of the second drain chamber is not higher than the bottom surface of the first drain chamber, and the drain chamber connecting port is arranged on the side surface of the first drain chamber, the height of the bottom surface of the first drain chamber on the side close to the drain chamber connecting port is equal to the height of the lower end of the frame, and the height of the bottom surface of the first drain chamber is gradually reduced from the position far away from the frame to the position close to the frame; the lower end of the frame is the upper edge of the bottom of the water passing port of the frame.

Furthermore, one-way drainage device is elasticity closing device, elasticity closing device comprises elastic silica gel piece, and single or a plurality of elastic silica gel piece enclose into a water cavity of crossing, it includes water inlet and delivery port to cross the water cavity, and the water inlet is located the one side that is close to first drainage room and is open form, and the delivery port is located the one side that is close to second drainage room and is closed form.

Furthermore, the one-way drainage device is a baffle movable closed type deodorization drainage device, the baffle movable closed type deodorization drainage device comprises more than one water baffle, a frame and a movable connecting assembly, the frame is fixedly connected with the drainage chamber connector, the water baffle covers the frame, the water baffle is movably connected with the frame or the floor drain body through the movable connecting assembly, the water baffle is located on one side, close to the second drainage chamber, of the drainage chamber connector, the frame is arranged on one side, close to the first drainage chamber, of the drainage chamber connector, the water baffle is opened in one direction from the first drainage chamber to the second drainage chamber under the impact of ground sewage, and after the water flows through the frame, the water baffle is closed and covered on the frame under the action of the movable connecting assembly.

Furthermore, when the movable connecting assembly is an elastic telescopic rod assembly, the elastic telescopic rod assembly comprises a movable rod, a guide cylinder and an elastic element, the movable rod is cylindrical, one end of the movable rod is fixedly connected with the water baffle, and the other end of the movable rod is inserted into the guide cylinder and is in sliding connection with the guide cylinder; the guide cylinder is fixedly connected with the floor drain body, and the elastic element is arranged between the movable rod and the guide cylinder, so that the movable rod can elastically stretch relative to the guide cylinder;

the guide cylinder comprises a cylindrical guide cylinder inner cavity capable of accommodating the movable rod, the guide cylinder inner cavity comprises an open end and a closed end, the movable rod is inserted into the guide cylinder along the open end of the guide cylinder inner cavity, the side face of the end part of the movable rod inserted into the guide cylinder is fixedly connected with a limiting block, a sliding groove matched with the limiting block is arranged on the side wall of the guide cylinder inner cavity along the inlet and outlet direction of the movable rod, and the sliding groove is positioned between the inner side of the open end of the guide cylinder inner cavity and the closed end; the guide cylinder inner cavity, the sliding groove in the side wall of the guide cylinder inner cavity, the movable rod and the limiting block on the side face of the end part of the movable rod are matched, so that the movable rod can extend and retract along the direction pointed by the opening end of the guide cylinder inner cavity.

The guide cylinder is arranged in the first drainage chamber, and under the action of the elastic element, the guide cylinder pulls the movable rod to enable the water baffle to cover the frame;

or the guide cylinder is arranged in the second drainage chamber, and under the action of the elastic element, the guide cylinder pushes the movable rod to enable the water baffle to cover the frame.

When the guide cylinder is arranged on one side of the first water drainage chamber, the elastic element is two magnets which attract each other. The inner side of the closed end of the guide cylinder and the limiting block of the movable rod are respectively and fixedly connected with a magnet which is attracted, when no water flow exists, the movable rod is retracted in the guide cylinder under the action of attraction magnetic force, and the water baffle plate seals the frame; when water flow enters the first water drainage chamber, the water baffle leaves the frame under the action of the water flow and moves towards the second water drainage chamber, and the movable rod extends out of the guide cylinder along with the water baffle; after the water flow passes through under the effect of magnetite, the stopper prolongs the spout pulling of guide cylinder inner chamber lateral wall the movable rod, the movable rod retract the guide cylinder in, make the breakwater to first drainage room removes and seals the frame.

When the guide cylinder is arranged on one side of the second drainage chamber, the elastic element is two repelling magnets. The inner side of the closed end of the guide cylinder and the limiting block of the movable rod are respectively and fixedly connected with a repelling magnet, when no water flow exists, the movable rod extends out of the guide cylinder under the action of the repelling magnet, the water baffle plate seals the frame, when the water flow enters the first water drainage chamber, the water baffle plate leaves the frame under the action of the water flow and moves towards the second water drainage chamber, and the movable rod retracts into the guide cylinder along with the water baffle plate; after the rivers pass through under the effect of magnetite, the stopper prolongs guide cylinder inner chamber lateral wall spout promotes the movable rod, the movable rod stretch out the guide cylinder outside, make the breakwater to first drainage room removes and seals the frame.

Furthermore, when the movable connecting assembly is a soft elastic sheet, the water baffle is fixedly connected with one end of the soft elastic sheet, and the other end of the soft elastic sheet is fixedly connected with the frame or the floor drain body; when water flows through the water discharge chamber connecting port, the water baffle is opened towards the second water discharge chamber, and after the water flows through, the water baffle is closed towards the first water discharge chamber and covers the frame under the elastic action of the soft elastic sheet. Preferably, the soft elastic sheet is a silica gel sheet.

Furthermore, when the movable connecting assembly is a hinge assembly, the hinge assembly comprises a pin shaft arranged on a water baffle and a groove which is arranged on a frame or a floor drain body and is matched with the pin shaft, the water baffle comprises a left water baffle and a right water baffle, the frame is arranged on one side close to the first water drainage chamber and is fixedly connected with a water drainage chamber connector, the left water baffle and the right water baffle are arranged on one side close to the second water drainage chamber, the specifications of the left water baffle and the right water baffle are matched with a water passing port of the frame, the frame is sealed when the left water baffle and the right water baffle are closed on the frame, a pair of magnets which attract each other are arranged at the adjacent ends of the left water baffle and the right water baffle, and the ends of the left water baffle and the right water baffle, which are far away from the magnets, are hinged with the frame or the water drainage connector; under the impact of the sewage on the ground, the left water baffle and the right water baffle are respectively opened towards the left side and the right side of the second drainage chamber, the sewage enters the second drainage chamber from the first drainage chamber, and after passing through the second drainage chamber, the left water baffle and the right water baffle are closed and cover the frame under the action of the magnets. The frame is plane, perhaps the frame is the V style of calligraphy that the opening faced first drainage chamber under the state of overlooking, the closed angle faces the second drainage chamber, works as the frame when being the V style of calligraphy, the specification of left breakwater and right breakwater respectively with two side specifications of V style of calligraphy frame cooperate to realize covering and seal the effect of V style of calligraphy frame.

Furthermore, an observation window is arranged at the top of the first water drainage chamber or the second water drainage chamber and fixedly connected with the floor drain body, the observation window is arranged above the one-way water drainage device, and the observation window can be made of a transparent acrylic plate or a toughened glass plate.

Further, the frame of observation window or observation window on be provided with the mark line, work as one-way drainage device include the frame and cover in during the breakwater on the frame under the closed state of breakwater, the mark line coincide with the lower extreme edge of breakwater when closed in vertical direction, perhaps with the corresponding mark looks coincidence on the breakwater, the mark line be the line that has the scale or have the colour or have the line of arrow head.

Further, be provided with in the first drainage room and prevent stifled dirt hand-basket, prevent stifled dirt hand-basket and be concave type, prevent the top surface formula as an organic whole structure as an organic whole of stifled dirt hand-basket and first drainage room, the opening at stifled dirt hand-basket top covers the surface sewage water inlet, the side and the bottom surface of preventing stifled dirt hand-basket on be provided with the through-hole, prevent the edge and the first drainage room overlap joint on stifled dirt hand-basket upper portion.

Furthermore, an anti-blocking dirt lifting basket is arranged in the first water drainage chamber, the anti-blocking dirt lifting basket is concave, an opening in the top of the anti-blocking dirt lifting basket covers the ground sewage inlet, a through hole is formed in the side face of the anti-blocking dirt lifting basket, the anti-blocking dirt lifting basket is placed on the bottom face of the first water drainage chamber through a support frame, the support frame is a rectangular hard support frame matched with the anti-blocking dirt lifting basket in size, and a stainless steel frame or an ABS plastic frame is preferred;

or the anti-blocking dirt lifting basket is made of hard materials and can be directly placed on the bottom surface of the first water drainage chamber, and preferably, the hard materials are stainless steel nets or ABS plastic nets.

Furthermore, be provided with filter equipment in the first drainage room, filter equipment sets up ground sewage water inlet with between the drainage room connector for filter follows the sewage of ground sewage water inlet flow direction drainage room connector, filter equipment be the filter screen, the filter screen with the connection can be dismantled to first drainage room wall. The total area of the water passing through holes on the filter screen is larger than the area of the ground sewage inlet 3.

Further, the area of the ground sewage inlet is larger than that of the drain chamber connecting port.

Further, the area of the drain chamber connection port is larger than that of the lower water pipe connection port.

Further, the second water drainage chamber is arranged at the side part of the first water drainage chamber, or the second water drainage chamber is arranged at the side part and the bottom part of the first water drainage chamber, and the top surface of the second water drainage chamber or the whole top surface of the second water drainage chamber is exposed to the ground.

Furthermore, a second drainage chamber upper cover is arranged on the top surface of the second drainage chamber exposed on the ground, and the second drainage chamber upper cover is detachably connected with the floor drain body.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) most of the anti-odor-returning devices of the existing floor drains are arranged in the sewer pipe, the drainage quantity is small due to the space limitation of the diameter of the sewer pipe, and the problem of surface water accumulation often occurs when people take a bath. The utility model provides a floor drain will prevent returning the flavor device and set up in the top or the side of downcomer, set up first drainage chamber and second drainage chamber in the top or the side of downcomer promptly, install one-way drainage device in drainage chamber junction department, ground sewage passes through one-way drainage device is by one-way inflow second drainage chamber of first drainage chamber, again through downcomer interface drainage downcomer, one-way drainage device closure after rivers pass, has guaranteed to prevent returning the flavor effect, first drainage chamber, second drainage chamber and one-way drainage device not in the downcomer, do not receive the space restriction of downcomer diameter, have bigger drainage space, can provide bigger displacement for the user to effectively reduce the emergence of ground ponding problem;

(2) the problem of returning water often can appear when inserting washing machine drain pipe drainage in current floor drain because the water route of washing machine drainage is linked together with the water route of ground sewage drainage in the floor drain, the utility model provides a floor drain is provided with one-way drainage device between the water route of washing machine drainage and the water route of ground sewage drainage to guarantee that washing machine can not return water to ground when the drainage. The utility model realizes that on the same floor drain, the functions of washing machine drainage and ground sewage drainage are simultaneously realized on the premise of ensuring no water return;

(3) the utility model provides a floor drain, the quantity that washing machine outlet set up on the floor drain panel does not receive the limitation, can connect more than one washing machine drain pipe simultaneously to convenience of customers connects many washing machines and uses simultaneously. With the improvement of living standard of people and the release of two-way policy, more than two washing machines are purchased by many families at present, which is convenient for clothes of adults and children to be washed separately or underwear and coat to be washed separately, and the release of the utility model ensures that the water drainage is more convenient when a user uses a plurality of washing machines;

(4) when sewer returns the flavor appears in the bathroom in current floor drain, only look over through taking apart the floor drain, just can inspect out whether the floor drain seals not tight, the utility model provides a floor drain, under this kind of condition, the user can directly just can clearly look over through the observation window the closure condition of breakwater to whether the light understanding floor drain seals tight. When the water baffle is not tightly closed, the lower end position of the water baffle is not overlapped with the mark line of the observation window, and the design can prevent a user from checking the floor drain through dismounting;

(5) the dirt of current floor drain can the siltation generally prevent returning flavor device department, and is more troublesome during the clearance, the utility model provides a floor drain sets up before one-way drainage device and prevents stifled dirt hand-basket, can block the dirt before one-way drainage device, can reduce the possibility that the floor drain blockked up, the user of being convenient for again clears up the dirt. The lifting handle matched with the lifting basket is used for lifting the lifting basket to dump dirt, and a user can finish the work of cleaning the floor drain under the condition of not dirtying hands. The design can avoid the user from cleaning the floor drain through disassembly and assembly;

(6) at present, when a new civil residential building is delivered in China, toilets are mostly of a sinking type, a sewer line in the ground of the sinking type toilet needs to be laid by a user, when the sewer line is laid, a common floor drain needs to be connected and installed after a lower pipeline laid on the ground of the toilet is bent upwards, and the installation mode has two problems that firstly, construction is troublesome, secondly, a bent part is easy to block, and once the block is difficult to clean. To this condition, the utility model provides a set up the floor drain in the side with the downcomer interface, the benefit of design like this lies in, firstly the downcomer need not crooked just can lug connection on the floor drain, has reduced the complexity of construction, secondly in case take place to block up the clearance of being convenient for dredge.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic structural diagram of a floor drain provided by an embodiment of the present invention;

fig. 2 is a schematic structural diagram ii of the floor drain provided by the embodiment of the present invention;

fig. 3 is a third schematic structural view of the floor drain provided by the embodiment of the present invention;

fig. 4 is a schematic structural diagram of a floor drain provided by the embodiment of the present invention;

fig. 5 is a top view five of the floor drain provided by the embodiment of the present invention;

fig. 6 is a schematic structural diagram six of the floor drain provided by the embodiment of the present invention;

fig. 7 is a schematic structural diagram seven of the floor drain provided by the embodiment of the utility model;

fig. 8 is a schematic structural diagram eight of the floor drain provided by the embodiment of the present invention;

fig. 9 is a schematic structural diagram nine of the floor drain provided by the embodiment of the present invention;

fig. 10 is a top view ten of the baffle plate movable closed type deodorization and drainage device in the embodiment of the present invention.

Description of reference numerals:

1. a first drain chamber; 2. a second drain chamber; 3. a ground sewage inlet; 4. a water outlet pipe interface; 5. a drain chamber connection port; 6. a one-way drainage device; 7. the water outlet pipe interface of the washing machine; 8. a frame; 9. a water baffle; 10. a closing plate; 11. a hinge device; 12. a gravity balancing device; 13. an N-pole magnet; 14. an S-pole magnet; 15. the anti-blocking dirt lifting basket; 16. an observation window; 17. marking a line; 18. a handle; 19. a water passing cavity; 20. a water inlet; 21. a water outlet; 22. a second drain chamber upper cover; 23. a sediment sedimentation tank; 24. a soft sealing rubber pad; 25. a cross beam; 26. a smell preventing baffle; 27. a movable rod; 28. a guide cylinder; 29. an inner cavity of the guide cylinder; 30. a limiting block; 31. a chute; 32. a left water baffle; 33. and a right water baffle.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

Referring to fig. 1 to 6, the floor drain of the present invention comprises a floor drain body, wherein the floor drain body is a hollow shell, and comprises a first drainage chamber 1 and a second drainage chamber 2; the top of the first drainage chamber 1 is provided with a ground sewage inlet 3; a sewer pipe connector 4 is arranged at the bottom or the side part of the second drainage chamber 2; the bottom surface of the second water discharge chamber 2 is not higher than that of the first water discharge chamber 1, the first water discharge chamber 1 is communicated with the second water discharge chamber 2 through a water discharge chamber connecting port 5, and the water discharge chamber connecting port 5 is arranged on the bottom surface or the side surface of the first water discharge chamber 1; the one-way drainage device 6 is arranged at the drainage chamber connecting port 5, the ground sewage flows into the second drainage chamber 2 from the first drainage chamber 1 in one way through the one-way drainage device 6 and then is drained into the sewer pipe through the sewer pipe connector 4, and the one-way drainage device 6 is closed after the water flows through.

Particularly, the odor-return-preventing device of the existing floor drain is mostly arranged in the sewer pipe, the water discharge is small due to the space limitation of the diameter of the sewer pipe, and the problem of surface water accumulation often occurs when people take a bath. The utility model provides a floor drain, with prevent returning the flavor device and set up in the top or the side of downcomer, set up first drainage chamber 1 and second drainage chamber 2 in the top or the side of downcomer promptly, second drainage chamber 2 sets up in the lateral part of first drainage chamber 1 or surrounds in the first drainage chamber 1 outside, install one-way drainage device 6 at drainage chamber connector 5, ground sewage passes through one-way drainage device 6 flows into second drainage chamber 2 by first drainage chamber 1 one-way, and then discharges into the downcomer through downcomer interface 4, one-way drainage device 6 closure after rivers pass, guaranteed to prevent returning the flavor effect; the first water drainage chamber 1, the second water drainage chamber 2 and the one-way water drainage device 6 are not arranged in the sewer pipe, are not limited by the space of the diameter of the sewer pipe, have larger drainage space, and can provide larger water drainage for users, thereby effectively reducing the problem of surface water accumulation.

The utility model discloses still reduced the requirement of floor drain to the installation depth, still can install when ground is thin, the utility model discloses can vertically do thin, transversely do the width. Specifically, when the installation depth is less shallow, for example when the bathroom fitment need shift the floor drain, the user need use the floor drain that shifts usually, and conventional aversion floor drain drainage speed is slower than ordinary floor drain, uses the utility model discloses the time, one-way drainage device 6 set up be in drainage chamber connector 5 department, and drainage chamber connector 5 does not receive the restriction of installation depth and the restraint of downcomer pipe diameter, when the installation depth is less shallow, the user can transversely increase as required and install the water passing area of the one-way drainage device 6 of drainage chamber connector 5. Preferably, the floor drain body is made of ABS plastics.

As shown in fig. 4, when the sewer pipe joint 4 is arranged on the side surface of the second drainage chamber 2, the sewer pipe joint has two advantages, firstly, the sewer pipe can be directly connected to the utility model without bending when a user lays the sewer pipe in the bathroom, and the construction complexity is reduced; the sewer pipes are reduced, the turning is not easy to block, and once the waterway is blocked, the waterway is close to the ground, so that the sewer pipes are convenient to dredge and clean.

As a preferred embodiment, as shown in fig. 5, the top of the second drain chamber 2 is provided with one or more washing machine drain connections 7. The drainage pipe of more than one washing machine can be connected simultaneously, the drainage quantity can not be influenced when the drainage pipe is connected with the washing machine, one or more washing machines can be connected simultaneously, the washing efficiency is higher, and the drainage quantity is larger.

The problem of returning water often can appear when inserting washing machine drain pipe drainage in current floor drain because the water route of washing machine drainage is linked together with the water route of ground sewage drainage in conventional floor drain, the utility model provides a floor drain sets up one-way drainage device 6 between the water route of washing machine drainage and the water route of ground sewage drainage to guarantee that washing machine can not return water to ground when the drainage.

As a preferred embodiment, the one-way drainage device 6 comprises a frame 8 and a water baffle 9 covering the frame 8, wherein the water baffle 9 is positioned on one side of the drainage chamber connector 5 close to the second drainage chamber 2, the frame 8 is arranged on one side of the drainage chamber connector 5 close to the first drainage chamber 1, one end of the water baffle 9 is hinged with the drainage chamber connector 5 or one end of the frame 8, under the impact of the ground sewage, the water baffle 9 is opened in one way from the first drainage chamber 1 to the second drainage chamber 2, the ground sewage passes through the frame 8, and after the water flows through, the water baffle 9 is closed and covered on the frame 8. And the frame 8 is fixedly connected with the drainage chamber connecting port 5.

As a preferred embodiment, when the drain chamber connection port 5 is provided at the bottom surface of the first drain chamber 1, the water guard plate 9 is transversely provided; the water baffle 9 comprises a closing plate 10, a hinge device 11 and a gravity balance device 12, the closing plate 10 covers the frame 8, the hinge device 11 is arranged between the closing plate 10 and the gravity balance device 12, the water baffle 9 is hinged with one end of the drainage chamber connecting port 5 or one end of the frame 8 through the hinge device 11, the weight of the gravity balance device 12 is larger than or equal to that of the closing plate 10, and the gravity balance device 12 is a gravity weight block, preferably a stainless steel block.

Specifically, as shown in fig. 3, under the action of the gravity of the sewage on the ground, the closing plate 10 is opened, the sewage flows from the first water discharging chamber 1 to the second water discharging chamber 2, and after the sewage is discharged, the closing plate 10 is closed under the action of the gravity balancing device 12 by using the hinge device 11 as a fulcrum and utilizing the lever principle, so that the unidirectional discharge of the sewage is ensured, and meanwhile, the odor returning prevention effect is achieved.

As a preferred embodiment, when the drain chamber connection port 5 is disposed at the side of the first drain chamber 1, the water guard plate 9 is disposed vertically or obliquely, and the upper end of the water guard plate 9 is hinged with the upper edge of the drain chamber connection port 5 or the upper edge of the rim 8;

as shown in fig. 1, when the water guard plate 9 is vertically arranged or the upper end of the water guard plate 9 is inclined toward the first water drainage chamber 1, the water guard plate 9 covers the frame 8 under the action of gravity; when ground sewage flows into the first water discharge chamber 1, the water baffle 9 is opened towards the second water discharge chamber 2 in a single direction under the action of the sewage, and after the sewage is discharged, the water baffle 9 is closed again under the action of gravity, so that the single-direction discharge of the sewage is ensured, and meanwhile, the odor return prevention function is realized;

as shown in fig. 4, when the upper end of the splash guard 9 is inclined toward the second drain chamber 2, the lower end of the splash guard 9 is provided with an N-pole magnet 13, the frame 8 is provided with an S-pole magnet 14 at a position corresponding to the N-pole magnet 13 at the lower end of the splash guard 9, and the splash guard 9 is covered on the frame 8 by the magnetic force. When ground sewage flows into the first water discharge chamber 1, the water baffle 9 is opened in one direction to the second water discharge chamber 2 under the action of the sewage, and after the sewage is discharged, the water baffle 9 is closed again under the action of magnetic force, so that the one-way discharge of the sewage is ensured, and meanwhile, the odor return prevention effect is achieved.

As a preferred embodiment, as shown in fig. 7, when the drainage chamber connection port 5 is disposed on the side of the first drainage chamber 1, the water baffle 9 includes a cross beam 25 located at the top end and an odor-resistant baffle 26 located below the cross beam 25, the odor-resistant baffle 26 covers the frame 8 and is fixedly connected with the cross beam 25, and the cross beam 25 is movably connected with the floor drain body or the frame 8; the cross beam 25 is arranged below the top surface of the floor drain body, the observation window 16 is fixedly connected to the top surface of the floor drain body above the cross beam 25, pin shafts are arranged at two ends of the cross beam 25, grooves matched with the pin shafts are arranged on the drainage chamber connecting port 5 or the frame 8, the water baffle 9 is movably connected with the floor drain body or the frame 8 through the pin shafts, the cross beam 25 is in a transversely arranged cylindrical shape, identification lines with different colors from the cross beam are axially arranged on the top surface of the cross beam 25, the identification lines are arranged right below the observation window 16 and are arranged in the projection area of the observation window 16 on the cross beam 25; when the water baffle 9 rotates, a user can observe the position change of the identification line on the cross beam 25 through the observation window 16, and further know whether the odor-resistant baffle 26 covers the frame 8.

As a preferred embodiment, as shown in fig. 7, when the second drain chamber 2 is disposed on the side surface of the first drain chamber 1, the bottom surface of the second drain chamber 2 is not higher than the bottom surface of the first drain chamber 2, and the drain chamber connection port 5 is disposed on the side surface of the first drain chamber 1, the height of the bottom surface of the first drain chamber 1 near the drain chamber connection port 5 is equal to the height of the lower end of the frame 8, and the height of the bottom surface of the first drain chamber 1 gradually decreases in the direction from the side frame 8 to the side frame 8, so that the sewage can smoothly flow from the first drain chamber 1 to the second drain chamber 2, and the drainage is smoother. The lower end of the frame 8 is the lower edge of the water passing port on the inner side of the frame 8.

The one-way drainage device 6 is a device having the function of preventing reverse water and the function of preventing returning odor, and the one-way drainage device 6 also has various implementation modes besides the implementation modes.

As a preferred embodiment, the one-way drainage device 6 is an elastic closing device, the elastic closing device is composed of elastic silicone sheets, one or more elastic silicone sheets surround to form a water passing cavity 19, the water passing cavity 19 includes a water inlet 20 and a water outlet 21, the water inlet 20 is located on one side close to the first drainage chamber 1 and is in an open shape, and the water outlet 21 is located on one side close to the second drainage chamber 2 and is in a closed shape.

Specifically, as shown in fig. 6, when ground sewage flows into the first water discharge chamber 1, the ground sewage flows into the water passing cavity 19 through the water inlet 20, the water outlet 21 is opened under the action of the sewage, the sewage flows into the second water discharge chamber 2, and after the sewage is discharged, the elastic silica gel sheet closes the water outlet 21 again under the action of elasticity, so that the one-way discharge of the sewage is ensured, and meanwhile, the odor returning prevention effect is achieved.

As a preferred embodiment, the one-way drainage device is a baffle movable closed type deodorization drainage device, the baffle movable closed type deodorization drainage device includes more than one water baffle 9, a frame 8 and a movable connection assembly, the frame 8 is fixedly connected with the drainage chamber connector 5, the water baffle 9 covers the frame 8, the water baffle 9 is movably connected with the frame 8 or the floor drain body through the movable connection assembly, the water baffle 9 is located at one side close to the second drainage chamber 2, the frame 8 is arranged at one side close to the first drainage chamber 1, under the impact of the ground sewage, the water baffle 9 is opened in one way from the first drainage chamber 1 to the second drainage chamber 2, and after the water flows through, the water baffle 9 is closed and covered on the frame 8 under the action of the movable connection assembly.

As a preferred embodiment, when the movable connection assembly is an elastic telescopic rod assembly, the elastic telescopic rod assembly includes a movable rod 27, a guide cylinder 28 and an elastic element, the movable rod 27 is cylindrical, one end of the movable rod 27 is fixedly connected with the water baffle 9, the other end of the movable rod is inserted into the guide cylinder 28 and slidably connected with the guide cylinder 28, the guide cylinder 28 is fixedly connected with the floor drain body, and the elastic element is arranged between the movable rod 27 and the guide cylinder 28, so that the movable rod 27 elastically stretches relative to the guide cylinder 28.

As shown in fig. 8, the guide cylinder 28 includes a cylindrical guide cylinder inner cavity 29 capable of accommodating the movable rod 27, the guide cylinder inner cavity 29 includes an open end and a closed end, the movable rod 27 extends the open end of the guide cylinder inner cavity 29 and is inserted into the guide cylinder 28, the side of the end part of one end of the movable rod 27 inserted into the guide cylinder 28 is fixedly connected with a limit block 30, a sliding groove 31 matched with the limit block 30 is arranged on the side wall of the guide cylinder inner cavity 29 along the advancing direction and the retreating direction of the movable rod 27, and the sliding groove 31 is located between the inner side of the open end of the guide cylinder inner cavity 29 and the closed end. The guide cylinder inner cavity 29, the sliding groove 31 on the side wall of the guide cylinder inner cavity 29, the movable rod 27 and the limiting block 30 on the side face of the end part of the movable rod 27 are matched, so that the movable rod 27 can extend and retract along the direction pointed by the opening end of the guide cylinder inner cavity 29.

The guide cylinder 28 is arranged in the first drain chamber 1, and under the action of the elastic element, the guide cylinder 28 pulls the movable rod 27 to enable the water baffle 9 to cover the frame 8;

or, the guide cylinder 28 is arranged in the second drainage chamber 2, and under the action of the elastic element, the guide cylinder 28 pushes the movable rod 27 to enable the water baffle 9 to cover the frame 8;

as shown in fig. 8, when the guide cylinder 28 is disposed on one side of the first drain chamber 1, the elastic member is two magnets. Guide cylinder 28 blind end inboard with stopper 30 of movable rod 27 on link firmly the magnetite of a looks absorption respectively, when not having rivers, movable rod 27 contract under the effect of the magnetic force of inhaling mutually guide cylinder 28 in, breakwater 9 seals frame 8, when rivers get into first water drainage room 1, breakwater 9 leaves under the effect of rivers frame 8 to 2 directions of second water drainage room remove, movable rod 27 along with breakwater 9 stretches out guide cylinder 28, the rivers pass the back under the effect of magnetite, stopper 30 prolongs the spout 31 pulling of guide cylinder inner chamber 29 lateral wall movable rod 27, movable rod 27 retract guide cylinder 28 in, make breakwater 9 to first water drainage room 1 removes and seals frame 8.

As shown in fig. 9, when the guide cylinder 28 is provided on the side of the second drain chamber 2, the elastic member is two opposing magnets. Guide cylinder 28 blind end inboard with stopper 30 of movable rod 27 on link firmly a magnetite of repelling respectively, when not having rivers, movable rod 27 stretch out under the effect of the magnetic force of repelling outside guide cylinder 28, breakwater 9 seals frame 8, when rivers get into first water drainage room 1, breakwater 9 leaves under the effect of rivers frame 8 to 2 directions of second water drainage room remove, movable rod 27 follow breakwater 9 retracts in guide cylinder 28, the rivers pass the back under the effect of magnetite, stopper 30 extends 29 lateral wall spout 31 of guide cylinder inner chamber promote movable rod 27, movable rod 27 stretch out guide cylinder 28 outside, make breakwater 9 to first water drainage room 1 removes and seals frame 8.

The included angle between the guide cylinder 28, the guide cylinder inner cavity 29, the movable rod 27 and the water baffle 9 is more than 0 degree and less than or equal to 90 degrees; in a preferred embodiment, the guide cylinder 28, the guide cylinder cavity 29 and the movable rod 27 are arranged in a direction perpendicular to the water baffle 9, and the movable rod 27 is vertically and fixedly connected to the center of the water baffle 9.

Work as when movable connecting assembly is the elastic expansion pole subassembly, the elastic expansion pole subassembly can also include two sets of movable rods 27, guide cylinder 28 and elastic element, and other are the same with above-mentioned embodiment, the difference lies in, two sets of elastic expansion pole subassemblies set up simultaneously in first drainage chamber 1 one side or set up simultaneously in second drainage chamber 2 one side, the guide cylinder 28 of two sets of elastic expansion pole subassemblies links firmly respectively on the lateral wall of the floor drain body left and right sides, two movable rods 27 with the junction of breakwater 9 is located the left and right sides of breakwater 9, the symmetry sets up.

As a preferred embodiment, when the movable connection assembly is a soft elastic sheet, the water baffle 9 is fixedly connected with one end of the soft elastic sheet, and the other end of the soft elastic sheet is fixedly connected with the frame 8 or the floor drain body; when water flows through the water discharge chamber connecting port, the water baffle 9 is opened towards the second water discharge chamber 2, and after the water flows through, the water baffle 9 is closed towards the first water discharge chamber 1 and covers the frame 8 under the elastic action of the soft elastic sheet. Preferably, the soft elastic sheet is a silica gel sheet.

As a preferred embodiment, when the movable connection assembly is a hinge assembly, the hinge assembly includes a pin shaft disposed on the water guard plate 9 and a groove disposed on the frame 8 or the floor drain body and engaged with the pin shaft, as shown in fig. 10, the water guard plate 9 includes a left water guard plate 32 and a right water guard plate 33, the frame 8 is arranged at one side close to the first drain chamber 1 and is fixedly connected with the drain chamber connection port 5, the left water baffle 32 and the right water baffle 33 are arranged at one side close to the second drainage chamber 2, the specifications of the left water baffle 32 and the right water baffle 33 are matched with the water passing port of the frame 8, the left water deflector 32 and the right water deflector 33 close the frame 8 when closed on the frame 8, a pair of magnets which attract each other are arranged at the adjacent end parts of the left water baffle (32) and the right water baffle 33, the end parts of the left water baffle 32 and the right water baffle 33 far away from the magnets are hinged with the frame 8 or the drainage chamber connecting port 5; under the impact of the sewage on the ground, the left water baffle 32 and the right water baffle 33 are respectively opened towards the left side and the right side of the second drainage chamber 2, the sewage enters the second drainage chamber 2 from the first drainage chamber 1, and after the sewage passes through the magnet, the left water baffle 32 and the right water baffle 33 are closed and cover the frame 8. Frame 8 is planar, or frame 8 is the V style of calligraphy frame 8 of opening towards first drainage chamber under the state of overlooking, closed angle towards second drainage chamber, works as frame 8 when being the V style of calligraphy left water baffle 32 and right water baffle 33's specification respectively with two side specifications of V style of calligraphy frame 8 cooperate to the realization covers and seals V style of calligraphy frame 8's effect.

As shown in fig. 5 and 7, in a preferred embodiment, an observation window 16 is provided in the top of the first drain chamber 1 or the second drain chamber 2. The observation window 16 is fixedly connected with the floor drain body, the observation window 16 is arranged above the one-way drainage device 6, and the observation window 16 can be made of a transparent acrylic plate or a toughened glass plate. The existing floor drain can check whether the floor drain is tightly sealed only by detaching and checking, when a user using the conventional floor drain cannot tightly seal the odor-resistant core of the floor drain and returns odor, the odor can be found only when smelling the odor of a sewer, and the odor is often accompanied with germs and even can spread diseases. The utility model provides a floor drain, observation window 16 set up one-way drainage device 6's top, the user can clearly see the breakwater 9 pivoted condition through observation window 16, knows whether the floor drain seals tightly, is convenient for judge the rivers condition, the user of being convenient for makes timely processing, increases the convenience that the floor drain used.

In a preferred embodiment, the observation window 16 or the outer frame of the observation window 16 is provided with a mark line 17, when the unidirectional drainage device 6 comprises a frame 8 and a water baffle 9 covering the frame 8, in a state that the water baffle 9 is closed, the mark line 17 is vertically overlapped with the lower end edge of the water baffle 9 in the closing process or overlapped with a corresponding mark on the water baffle 9, and the mark line 17 is a line with scale or color or a line with arrow.

Specifically, the mark line 17 is provided to help the user judge whether the water guard plate 9 is in the closed state. When the water baffle 9 is not tightly closed, the lower end position of the water baffle 9 is not overlapped with the marking line 17 of the observation window 16, or the corresponding marker on the water baffle 9 is not overlapped with the marking line 17 of the observation window 16. The water baffle 9 can be made of plastic with fluorescent material.

As a preferred embodiment, an anti-blocking dirt basket 15 is arranged in the first water drainage chamber 1, the anti-blocking dirt basket 15 is concave, as shown in fig. 1, an opening at the top of the anti-blocking dirt basket 15 covers the ground sewage inlet 3, through holes are arranged on the side surface and the bottom surface of the anti-blocking dirt basket 15, and the edge of the upper part of the anti-blocking dirt basket 15 is lapped with the first water drainage chamber 1. As shown in fig. 5, the anti-blocking basket 15 is provided with a handle 18. Prevent stifled dirt hand-basket 15 can with the top surface formula structure as an organic whole of first drainage chamber 1, promptly prevent stifled dirt hand-basket 15 can regard as the top surface of first drainage chamber 1.

As a preferred embodiment, an anti-blocking dirt lifting basket 15 is arranged in the first water drainage chamber 1, the anti-blocking dirt lifting basket 15 is concave, an opening at the top of the anti-blocking dirt lifting basket 15 covers the ground sewage inlet 3, a through hole is formed in the side surface of the anti-blocking dirt lifting basket 15, the anti-blocking dirt lifting basket 15 is placed on the bottom surface of the first water drainage chamber 1 through a support frame, the support frame is a rectangular hard support frame matched with the anti-blocking dirt lifting basket 15 in size, and a stainless steel frame or an ABS plastic frame is preferred;

or, the anti-blocking dirt basket 15 is made of hard material and can be directly placed on the bottom surface of the first water drainage chamber 1, preferably, the hard material is stainless steel or ABS plastic.

The dirt of conventional floor drain can amasss to have manger plate device department usually, the utility model provides a floor drain sets up before one-way drainage device 6 and prevents stifled dirt hand-basket 15, can block the dirt before one-way drainage device 6, can reduce the possibility that the floor drain blockked up, and the user of being convenient for again clears up the dirt, can also effectively avoid the foreign matter directly to fall into in the downcomer and be difficult to take out the emergence that arouses the condition that the downcomer blockked up.

In a preferred embodiment, a filtering device is disposed in the first drain chamber 1, the filtering device is disposed between the ground sewage inlet 3 and the drain chamber connection port 5, and is used for filtering sewage flowing from the ground sewage inlet 3 to the drain chamber connection port 5, the filtering device is a filtering net, and the filtering net is detachably connected to the wall of the first drain chamber.

Specifically, the mesh density of filter screen is greater than 15 meshes, preferably 30 meshes-100 meshes, and is preferred the filter screen adopts antibiotic nylon materials or stainless steel net to make, the edge of filter screen is provided with the screen frame, be provided with on 1 wall of first drainage chamber with screen frame complex screen frame groove, the screen frame overlap joint is in on the screen frame groove. The total area of the water passing through holes on the filter screen is larger than the area of the ground sewage inlet 3.

In a preferred embodiment, the area of the drain chamber connection port 5 is larger than the area of the sewer pipe connection port 4.

Specifically, the one-way drainage device 6 is arranged on the drainage chamber connector 5, the one-way drainage device 6 has a certain buffering effect on water flow, and if the area of the drainage chamber connector 5 is smaller than that of the drainage pipe connector 4, the drainage chamber connector 5 can reduce the overall drainage speed of the floor drain. The utility model discloses in, the area of drainage chamber connector 5 is greater than the area of sewer pipe interface 4, can make one-way drainage device 6 has bigger drainage space to obtain faster drainage speed.

In a preferred embodiment, as shown in fig. 1, the second drain chamber 2 is disposed at a side portion of the first drain chamber 1, or as shown in fig. 3, the second drain chamber 2 is disposed at a side portion and a bottom portion of the first drain chamber 1, and a part or all of a top surface of the second drain chamber 2 is exposed to the ground.

As a preferred embodiment, as shown in fig. 1 and 5, a second drainage chamber upper cover 22 is disposed on the top surface of the second drainage chamber 2 exposed to the ground, and the second drainage chamber upper cover 22 is detachably connected to the floor drain body.

Specifically, the top surface of the second drain chamber 2 is adjacent to the top surface of the first drain chamber 1, and the top surfaces of the second drain chamber 2 and the first drain chamber 1 are both disposed on the ground.

When the conventional floor drain is used, dirt such as hair, silt and the like carried by ground sewage often deposits at the odor-returning prevention device of the conventional floor drain, and because the odor-returning prevention device of the conventional floor drain is arranged in the sewer pipe, a user is troublesome in cleaning; the utility model discloses, the top surface setting of second drainage chamber 2 is on ground, 22 accessible screws of second drainage chamber upper cover with this body coupling of floor drain is fixed, needs clearance during one-way drainage device 6, the user can open 2 top surfaces of second drainage chamber and 1 top surfaces of first drainage chamber, clears up the floor drain is inside, and the clearance work is more convenient and fast. In this embodiment, the ground sewage inlet 3 of the top surface of the first drainage chamber 1 is provided with a first drainage chamber upper cover, the first drainage chamber upper cover is lapped with the floor drain body, and a water inlet hole is formed in the first drainage chamber upper cover. And a sealing ring is arranged at the joint between the second drainage chamber upper cover 22 and the floor drain body, and when the second drainage chamber upper cover 22 is fixed on the floor drain body through screws, the sealing ring can ensure the tightness of the second drainage chamber 2 and prevent the smell of the sewer from being reversed.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims (21)

1. The floor drain comprises a floor drain body and is characterized in that the floor drain body comprises a first drainage chamber (1) and a second drainage chamber (2);

a ground sewage inlet (3) is formed in the top of the first water drainage chamber (1);

a lower water pipe interface (4) is arranged at the bottom or the side part of the second drainage chamber (2);

the first water drainage chamber (1) is communicated with the second water drainage chamber (2) through a water drainage chamber connecting port (5), and the water drainage chamber connecting port (5) is arranged on the bottom surface or the side surface of the first water drainage chamber (1);

a one-way drainage device (6) is arranged at the drainage chamber connecting port (5), and the ground sewage flows into the second drainage chamber (2) from the first drainage chamber (1) in a one-way mode through the one-way drainage device (6) and then is drained into the sewer pipe through the sewer pipe connecting port (4);

the second water discharging chamber (2) is arranged on the side portion of the first water discharging chamber (1), or the second water discharging chamber (2) is arranged on the side portion and the bottom portion of the first water discharging chamber (1), and part or all of the top surface of the second water discharging chamber (2) is exposed out of the ground.

2. Floor drain according to claim 1, characterized in that the bottom surface of the second drain chamber (2) is not higher than the bottom surface of the first drain chamber (1).

3. Floor drain according to claim 1, characterized in that the top of the second drain chamber (2) is provided with more than one washing machine drain pipe interface (7).

4. The floor drain according to claim 1, characterized in that the one-way drainage device (6) comprises a frame (8) and a water baffle (9) covering the frame (8), the water baffle (9) is positioned at one side of the drainage chamber connector (5) close to the second drainage chamber (2), the frame (8) is arranged at one side of the drainage chamber connector (5) close to the first drainage chamber (1), one end of the water baffle (9) is hinged with one end of the drainage chamber connector (5) or the frame (8), and under the impact of the ground sewage, the water baffle (9) is opened in one way from the first drainage chamber (1) to the second drainage chamber (2).

5. The floor drain according to claim 4, characterized in that the water deflector (9) is arranged laterally when the drain chamber connection port (5) is arranged at the bottom surface of the first drain chamber (1); the water baffle (9) comprises a closing plate (10), a hinge device (11) and a gravity balancing device (12), the closing plate (10) covers the frame (8), the hinge device (11) is arranged between the closing plate (10) and the gravity balancing device (12), the water baffle (9) is hinged to one end of the drainage chamber connecting port (5) or one end of the frame (8) through the hinge device (11), the weight of the gravity balancing device (12) is larger than or equal to that of the closing plate (10), and the gravity balancing device (12) is a gravity weight block.

6. The floor drain according to claim 5, characterized in that when the drain chamber connection port (5) is arranged at the side of the first drain chamber (1), the water baffle (9) is arranged vertically or obliquely, and the upper end of the water baffle (9) is hinged with the upper edge of the drain chamber connection port (5) or hinged with the upper edge of the frame (8);

when the water baffle (9) is vertically arranged or the upper end of the water baffle (9) is inclined towards the first water drainage chamber (1), the water baffle (9) covers the frame (8) under the action of gravity;

when the upper end of the water baffle (9) is obliquely arranged towards the second drainage chamber (2), the lower end of the water baffle (9) is provided with an N-pole magnet (13), an S-pole magnet (14) is arranged on the frame (8) at a position corresponding to the N-pole magnet (13) at the lower end of the water baffle (9), and the water baffle (9) covers the frame (8) under the action of magnetic force.

7. The floor drain according to claim 6, characterized in that the water baffle (9) comprises a beam (25) at the top end and a smell return prevention baffle (26) positioned below the beam (25), the smell return prevention baffle (26) covers the frame (8) and is fixedly connected with the beam (25), and the beam (25) is movably connected with the drainage chamber connector (5) or the frame (8); the floor drain is characterized in that the cross beam (25) is arranged below the top surface of the floor drain body, an observation window (16) is arranged on the top surface of the floor drain body above the cross beam (25), the observation window (16) is fixedly connected with the floor drain body, pin shafts are arranged at two ends of the cross beam (25), grooves matched with the pin shafts are formed in the drainage chamber connector (5) or the frame (8), and the water baffle plate (9) is movably connected with the drainage chamber connector (5) or the frame (8) through the pin shafts.

8. The floor drain according to claim 7, characterized in that the cross beam (25) is in a shape of a cylinder arranged transversely, and a marking line with a color different from that of the cross beam (25) is axially arranged on the top surface of the cross beam (25), and the marking line is arranged right below the observation window (16) and in the projection area of the observation window (16) on the cross beam (25); when the water baffle (9) rotates, a user can observe the position change of the identification line on the cross beam (25) through the observation window (16).

9. The floor drain according to claim 6, characterized in that when the second drainage chamber (2) is arranged on the side of the first drainage chamber (1), and the bottom surface of the second drainage chamber (2) is not higher than the bottom surface of the first drainage chamber (1), the height of the bottom surface of the first drainage chamber (1) close to the drainage chamber connection port (5) is equal to the height of the lower end of the frame (8), and the height of the bottom surface of the first drainage chamber (1) is gradually reduced from the side far from the frame to the side close to the frame (8).

10. The floor drain according to claim 1, characterized in that the one-way drainage means (6) is an elastic closure means, which is composed of elastic silicone sheets, one or more elastic silicone sheets enclose a water passing cavity (19), the water passing cavity (19) comprises a water inlet (20) and a water outlet (21), the water inlet (20) is located at a side close to the first drainage chamber (1) and is open, and the water outlet (21) is located at a side close to the second drainage chamber (2) and is closed.

11. The floor drain according to claim 1, characterized in that the one-way drainage device (6) is a baffle movable closed type deodorization drainage device, the baffle movable closed type deodorization drainage device comprises more than one water baffle (9), a frame (8) and a movable connecting component, the frame (8) is fixedly connected with the drainage chamber connector (5), the water baffle (9) covers the frame (8), the water baffle (9) is movably connected with the frame (8) or the floor drain body through the movable connecting component, the water baffle (9) is positioned at one side of the drainage chamber connector (5) close to the second drainage chamber (2), the frame (8) is arranged at one side of the drainage chamber connector (5) close to the first drainage chamber (1), and under the impact of sewage on the ground, the water baffle (9) is opened in one way from the first drainage chamber (1) to the second drainage chamber (2), after water flows through, the water baffle (9) is closed and covers the frame (8).

12. The floor drain of claim 11, wherein the movable connection assembly is an elastically telescopic rod assembly comprising a movable rod (27), a guide cylinder (28) and an elastic element; the movable rod (27) is cylindrical, one end of the movable rod is fixedly connected with the water baffle (9), and the other end of the movable rod is inserted into the guide cylinder (28) and is in sliding connection with the guide cylinder (28); the guide cylinder (28) is fixedly connected with the floor drain body, and the elastic element is arranged between the movable rod (27) and the guide cylinder (28);

the guide cylinder (28) is arranged in the first water drainage chamber (1), and under the action of the elastic element, the guide cylinder (28) pulls the movable rod (27) to enable the water baffle (9) to cover the frame (8);

or the guide cylinder (28) is arranged in the second drainage chamber (2), and under the action of the elastic element, the guide cylinder (28) pushes the movable rod (27) to enable the water baffle (9) to cover the frame (8);

when water flows through the water drainage device, the water baffle (9) moves towards the second drainage chamber (2) under the action of the water flow, and after the water flows through the water drainage device, the water baffle (9) moves towards the first drainage chamber (1) under the action of the elastic element and restores to cover the frame (8).

13. The floor drain according to claim 11, wherein the movable connection assembly is a soft elastic sheet, the water baffle (9) is fixedly connected with one end of the soft elastic sheet, and the other end of the soft elastic sheet is fixedly connected with the frame (8) or the floor drain body; when water flows through the water drainage chamber connecting port (5), the water baffle plate (9) is opened towards the second water drainage chamber (2), and after the water flows through, the water baffle plate (9) is closed towards the first water drainage chamber (1) and covers the frame (8) under the elastic action of the soft elastic sheet.

14. The floor drain according to claim 11, characterized in that the movable connection assembly is a hinge assembly, the hinge assembly comprises a pin shaft arranged on a water baffle (9) and a groove arranged on the frame (8) or the floor drain body and matched with the pin shaft, the water baffle (9) comprises a left water baffle (32) and a right water baffle (33), the frame (8) is arranged on one side close to the first drainage chamber (1) and fixedly connected with the drainage chamber connector (5), the left water baffle (32) and the right water baffle (33) are arranged on one side close to the second drainage chamber (2), the specifications of the left water baffle (32) and the right water baffle (33) are matched with the water through hole of the frame (8), and the left water baffle (32) and the right water baffle (33) close the frame (8) to close the frame (8); a pair of magnets which attract each other are arranged at the adjacent end parts of the left water baffle (32) and the right water baffle (33), and the end parts of the left water baffle (32) and the right water baffle (33) far away from the magnets are hinged with the frame (8) or the drainage chamber connecting port (5); under the impact of ground sewage, left breakwater (32) and right breakwater (33) are opened to left and right both sides respectively to second drainage chamber (2) direction, and sewage gets into second drainage chamber (2) by first drainage chamber (1), and sewage passes through the back under the effect of magnetite, left breakwater (32) and right breakwater (33) are closed and cover on frame (8).

15. The floor drain according to claim 1, characterized in that the top of the first (1) or second (2) drainage chamber is provided with a viewing window (16).

16. The floor drain of claim 15, characterized in that the observation window (16) or the outer frame of the observation window (16) is provided with a marking line (17).

17. The floor drain according to claim 1, characterized in that an anti-blocking dirt basket (15) is arranged in the first drain chamber (1), the anti-blocking dirt basket (15) is concave, through holes are arranged on the side surface and the bottom surface of the anti-blocking dirt basket (15), and the edge of the upper part of the anti-blocking dirt basket (15) is lapped with the first drain chamber (1).

18. The floor drain according to claim 1, characterized in that an anti-blocking dirt basket (15) is arranged in the first drain chamber (1), the anti-blocking dirt basket (15) is concave, a through hole is arranged on the side surface of the anti-blocking dirt basket (15), the anti-blocking dirt basket (15) is placed on the bottom surface of the first drain chamber (1) through a support frame, or the anti-blocking dirt basket (15) is made of hard materials and is placed on the bottom surface of the first drain chamber (1).

19. The floor drain according to claim 1, characterized in that a filtering device is arranged in the first drainage chamber (1), the filtering device is arranged between the surface sewage inlet (3) and the drainage chamber connecting port (5) and is used for filtering sewage flowing from the surface sewage inlet (3) to the drainage chamber connecting port (5), the filtering device is a filter screen, and the total area of water through holes on the filter screen is larger than the area of the surface sewage inlet (3).

20. Floor drain according to claim 1, characterized in that the area of the drain chamber connection opening (5) is larger than the area of the lower water pipe connection opening (4).

21. The floor drain of claim 1, characterized in that a second drainage chamber upper cover (22) is arranged on the top surface of the second drainage chamber (2) exposed to the ground, and the second drainage chamber upper cover (22) is detachably connected with the floor drain body.

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