CN209384345U - Floor drain - Google Patents

Abstract

The utility model discloses a kind of floor drains, including floor drain body, floor drain inner sleeve, outlet pipe, floor drain body has water chamber, flowing water chamber, the upper end of water chamber and the upper end connection of flowing water chamber, the bottom surface of flowing water chamber has inclined surface, and outlet pipe, which is mounted on the lateral surface of floor drain body, to be mounted in water chamber and connect with floor drain body upper end-face edge with connection at the low level of flowing water chamber, floor drain inner sleeve, floor drain inner sleeve has intake antrum, the lower end of intake antrum and water chamber lower end connection.The floor design of flowing water chamber at inclined surface, is increased the water flow gradient of flowing water chamber by the floor drain, keeps draining more smooth, and after long-time use, floor drain is not easy to accumulate foul.

Description

Floor drain

Technical field

The utility model relates to plumbing technical field more particularly to a kind of floor drains.

Background technique

Floor drain, be connect sewerage system and flooring important interface, as in house drainage system it is important Component, current floor drain product, water outlet includes vertical direction water outlet and side surface direction water outlet, on the ground of vertical direction water outlet Draining can not be pooled on a standpipe in same layer house, cause to need to arrange when housing construction in this way by leakage, the floor drain More standpipes, cause construction volume very big；And in the floor drain of side surface direction water outlet, since draining has some setbacks, after long-time use, ground It is easy accumulation foul in leakage, is easy blocking, causes drainage speed to substantially reduce, can give out a foul smell when serious, influence the residence of people Firmly environment and mood.

Summary of the invention

The purpose of this utility model is to provide a kind of floor drain, which at inclined surface, increases the floor design of flowing water chamber The water flow gradient for having added flowing water chamber keeps draining more smooth, and after long-time use, floor drain is not easy to accumulate foul.

Its technical solution is as follows:

Floor drain, including floor drain body, floor drain inner sleeve, outlet pipe, floor drain body have water chamber, flowing water chamber, water chamber The bottom surface of the upper end connection of upper end and flowing water chamber, flowing water chamber has inclined surface, and outlet pipe is mounted on the lateral surface of floor drain body With connection at the low level of flowing water chamber, floor drain inner sleeve is mounted in water chamber and connect with floor drain body upper end-face edge, tackling in floor drain There are intake antrum, the lower end of intake antrum and water chamber lower end connection.

It further include floor drainage cover plate, the floor drain inner sleeve passes through in the upper end-face edge of the floor drainage cover plate and the floor drain body Side is flexibly connected.

The outside of the first internal screw thread set on the inside of the upper end-face edge of the floor drain body, the floor drainage cover plate is equipped with first External screw thread, first external screw thread matches with first internal screw thread to be connect.

It further include gasket seal, the gasket seal is mounted on the upper surface of the floor drain body, the floor drainage cover plate Upper end outer edge there is drain cover listrium, the drain cover listrium passes through the upper end of the gasket seal and the floor drain body Face is tightly connected.

It further include seal washer, the inside of the floor drainage cover plate is equipped with supporting plate, and the seal washer is mounted on described hold On supporting plate, the floor drain inner sleeve is tightly connected by the seal washer and the floor drainage cover plate.

Be equipped with spacing block set in the top of supporting plate on the inside of the floor drainage cover plate, the spacing block set and the supporting plate it Between form inner sleeve card slot, the floor drain inner sleeve includes floor drain set listrium, and floor drain set listrium is located at set upper side in the floor drain Outer edge on, the outer ledge of floor drain set listrium is equipped with spacing edge-cut, the spacing edge-cut and the spacing block set phase Corresponding, the floor drain set listrium, which by limiting slot muzzle crosses spacing block set and matches with inner sleeve card slot, to be connected together.

The floor drain inner sleeve further includes inner sleeve straight tube, inner sleeve oviduct, and the inner sleeve oviduct includes the first nozzle, second Nozzle, the bore of first nozzle are greater than the bore of the second nozzle, and second nozzle is described downward with the straight tube connection First nozzle is connect with floor drain set listrium upward；The base surface of the floor drain set listrium is equipped with gasket recess, described close The upper end of seal washer is equipped with washer projection, and the washer projection and the gasket recess match sealed connection.

It further include floor drain filter screen, the floor drain filter screen is mounted on above the floor drain inner sleeve, the upper end of the floor drain inner sleeve Inside is equipped with strainer positioning groove, and the lateral surface of the floor drain filter screen is equipped with strainer locating convex block, the strainer locating convex block Match with the strainer positioning groove and connect.

It further include floor drain filter plate, the floor drain filter plate is mounted on the top of the floor drain filter screen, the floor drain filter plate and institute The upper end-face edge on the inside of floor drainage cover plate is stated to be flexibly connected.

The lateral surface of the floor drain filter plate is equipped at least two or more rotation card slots, and each rotation card slot uniformly divides For cloth on the lateral surface of the floor drain filter plate, the upper end-face edge on the inside of the floor drainage cover plate is convex equipped at least two or more buckles Block, each buckle convex block are evenly distributed on the upper end-face edge on the inside of the floor drainage cover plate, each buckle convex block respectively with Each rotation card slot matches rotation and is connected together.

It should be understood that

Aforementioned " first, second " does not represent specific quantity and sequence, is only used for the differentiation to title.

The orientation or positional relationship of the instructions such as aforementioned "upper", "lower" be based on the orientation or positional relationship shown in the drawings, or Person be the utility model product using when the orientation or positional relationship usually put or those skilled in the art usually understand Orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified Equipment or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as practical new to this The limitation of type.

Orientation or positional relationship indicated by aforementioned " side " is horizontal direction orientation or positional relationship based on the figure, Horizontal direction and vertical direction Relative vertical shown in the drawings or the utility model product using when the orientation usually put Or the orientation or positional relationship that positional relationship or those skilled in the art usually understand, it is merely for convenience of describing this reality It is described with novel with simplified, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with specific Orientation construction and operation, therefore should not be understood as limiting the present invention.

Aforementioned " inclination " is to be inclined relative to horizontal, and the horizontal plane is that orientation based on the figure or position are closed System or the utility model product using when the orientation or positional relationship usually put, being merely for convenience of description, this is practical Novel and simplified description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with specific side Position construction and operation, therefore should not be understood as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is pacified Dress " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be straight Connect it is connected, can also be indirectly connected through an intermediary.For the ordinary skill in the art, it can be managed with concrete condition Solve the concrete meaning of above-mentioned term in the present invention.

The advantages of below to the utility model or principle are illustrated:

1, local bottom pour ladle includes floor drain body, floor drain inner sleeve, outlet pipe, and floor drain body has water chamber, flowing water chamber, water chamber Upper end and flowing water chamber upper end connection, floor drain inner sleeve has intake antrum, the lower end of intake antrum and water chamber lower end connection, water inlet Chamber, water chamber, flowing water chamber three form S type and deposit pipelined channel, and sewage enters water chamber from intake antrum, overfill and in water chamber Water flow into flowing water chamber again, sewage is then drained from outlet pipe by flowing water chamber, extra sewage can be discharged when full in water chamber, The foul smell to flow back in sewage conduct can be sealed again, foul smell is avoided to flow back into interior, influence the living environment of people；Flowing water chamber Bottom surface have inclined surface, make sewage exclude it is more smooth, realization avoid flowing water chamber ponding；Outlet pipe is mounted on the outer of floor drain body Sewage is laterally discharged on side, facilitates and draining is pooled on a standpipe, facilitate the Construction Arrangement of indoor drainage pipe；Outlet pipe With connection at the low level of flowing water chamber, keep the draining in flowing water chamber more smooth.

The floor design of flowing water chamber at inclined surface, is increased the water flow gradient of flowing water chamber by the floor drain, keeps draining more smooth, After long-time use, floor drain is not easy to accumulate foul.

2, floor drain inner sleeve is flexibly connected easily by being flexibly connected on the inside of floor drainage cover plate and the upper end-face edge of floor drain body Maintenance, the dredging of leakage, this floor drain add floor drainage cover plate, improve the sealing performance of floor drain, and overall appearance is more aesthetically pleasing.

3, floor drainage cover plate is flexibly connected with floor drain body by screw thread, keeps the maintenance of floor drain, dredging more convenient.

4, this floor drain adds gasket seal, and floor drainage cover plate is tightly connected by the upper surface of gasket seal and floor drain body, Keep the sealing performance of floor drain more preferable.

5, this floor drain adds seal washer, and the inside of floor drainage cover plate is equipped with supporting plate, and seal washer is mounted on supporting plate, Floor drain inner sleeve is tightly connected by the supporting plate of seal washer and floor drainage cover plate, and the sealing for improving floor drain inner sleeve and floor drainage cover plate connects It connects, preferably foul smell is avoided to flow back into interior.

6, the top of supporting plate is equipped with spacing block set, and inner sleeve card slot, floor drain are formed between spacing block set and the supporting plate Set listrium matches with inner sleeve card slot to be connected together, and the more secured, stabilization that is connected together of floor drain set listrium and floor drainage cover plate is made, Improve leakproofness；The outer ledge that floor drain covers listrium is equipped with spacing edge-cut, and floor drain set listrium is facilitated to cover spacing block set and inner sleeve Card slot is connected together.

7, floor drain inner sleeve further includes inner sleeve straight tube, inner sleeve oviduct, the big mouth of inner sleeve oviduct upward, inner sleeve oviduct Small mouth down, the intake antrum for making the collection of sewage flow into floor drain inner sleeve is more smoothly, facilitates bunched, the collection of sewage；Floor drain set The base surface of listrium is equipped with gasket recess, and the upper end of seal washer is equipped with washer projection, makes floor drain inner sleeve and seal washer It seals more reliable, stable.

8, this floor drain further includes floor drain filter screen, and floor drain filter screen can filter out the sundries for following sewage to flow into floor drain, avoids ground Leakage blocking.

9, this floor drain further includes floor drain filter plate, and floor drain filter plate can filter in advance the coarse sundries for following sewage to flow into floor drain It removes, preferably floor drain can be avoided to block.

10, the lateral surface of floor drain filter plate is equipped at least two or more rotation card slots, the upper end edge on the inside of floor drainage cover plate Edge is equipped at least two or more buckle convex blocks, and each buckle convex block matches rotation with each rotation card slot respectively and is connected together, makes The connection of floor drain filter plate and floor drainage cover plate is more stable, and dismounting side is more convenient.

Detailed description of the invention

Fig. 1 is the sectional view of the utility model embodiment floor drain.

Fig. 2 is the partial enlarged view of Figure 1A.

Fig. 3 is the structural exploded view of the utility model embodiment floor drain.

Fig. 4 is the side view of the utility model embodiment floor drain.

Fig. 5 is the top view of the utility model embodiment floor drain.

Description of symbols:

10, floor drain body, 11, water chamber, 12, flowing water chamber, 121, inclined surface, 20, floor drain inner sleeve, 21, intake antrum, 22, Floor drain cover listrium, 221, gasket recess, 222, spacing edge-cut, 23, inner sleeve straight tube, 24, inner sleeve oviduct, 25, strainer positioning it is recessed Slot, 30, outlet pipe, 40, floor drainage cover plate, 41, drain cover listrium, 411, gasket groove, 42, supporting plate, 421, flowing water groove, 43, spacing block set, 44, inner sleeve card slot, 45, buckle convex block, 50, gasket seal, 51, gasket protrusion, 60, seal washer, 61, pad Circle protrusion, 70, floor drain filter screen, 71, strainer locating convex block, 72, strainer curtain plate, 73, strainer loudspeaker part, 74, strainer bottom plate, 741, the first through slot hole, 80, floor drain filter plate, the 81, second through slot hole, 82, rotation card slot.

Specific embodiment

The embodiments of the present invention are described in detail below.

As shown in Figures 1 to 5, floor drain, including floor drain body 10, floor drain inner sleeve 20, outlet pipe 30, floor drain body 10 have The bottom surface of water chamber 11, flowing water chamber 12, the upper end of water chamber 11 and the upper end connection of flowing water chamber 12, flowing water chamber 12 has inclined surface 121, outlet pipe 30 is mounted on the lateral surface of floor drain body 10 to be mounted on connection at the low level of flowing water chamber 12, floor drain inner sleeve 20 Is connect with 10 upper end-face edge of floor drain body in water chamber 11, floor drain inner sleeve 20 with intake antrum 21, the lower end of intake antrum 21 with deposit 11 lower end connection of water cavity.

Wherein, this floor drain further includes floor drainage cover plate 40, gasket seal 50, seal washer 60, floor drain filter screen 70, floor drain filter plate 80, floor drain inner sleeve 20 on the inside of floor drainage cover plate 40 and the upper end-face edge of floor drain body 10 by being flexibly connected；

The outside of the first internal screw thread set on the inside of the upper end-face edge of floor drain body 10, floor drainage cover plate 40 is equipped with the first outer spiral shell Line, the first external screw thread matches with the first internal screw thread to be connect；

Gasket seal 50 is mounted on the upper surface of floor drain body 10, and the upper end outer edge of floor drainage cover plate 40 has drain cover Listrium 41, drain cover listrium 41 are tightly connected by the upper surface of gasket seal 50 and floor drain body 10；

Gasket seal 50 includes plane, gasket lower plane on gasket, and plane, gasket lower plane are respectively equipped with gasket on gasket The baseplane of protrusion 51,10 upper surface of floor drain body and drain cover listrium 41 is respectively equipped with gasket groove 411, gasket groove 411 match sealed connection with gasket protrusion 51；

The inside of floor drainage cover plate 40 is equipped with supporting plate 42, and seal washer 60 is mounted on supporting plate 42, and floor drain inner sleeve 20 is logical It crosses seal washer 60 and floor drainage cover plate 40 is tightly connected；

Flowing water groove 421, flowing water groove 421 and the flowing water chamber 12,11 connection of water chamber are equipped with below supporting plate 42；

Floor drain inner sleeve 20 includes that floor drain covers listrium 22, and floor drain set listrium 22 is located on the outer edge of 20 upper end of floor drain inner sleeve, The base surface that floor drain covers listrium 22 is equipped with gasket recess 221, and the upper end of seal washer 60 is equipped with washer projection 61, washer projection 61 match sealed connection with gasket recess 221；

40 inside of floor drainage cover plate is equipped with spacing block set 43 in the top of supporting plate 42, between spacing block set 43 and supporting plate 42 Inner sleeve card slot 44 is formed, the outer ledge that floor drain covers listrium 22 is equipped with spacing edge-cut 222, spacing edge-cut 222 and spacing block set 43 It is corresponding, floor drain set listrium 22 by 222 sets of spacing edge-cut spacing block set 43 match with inner sleeve card slot 44 and be connected together；

Floor drain inner sleeve 20 includes that floor drain covers listrium 22, inner sleeve straight tube 23, inner sleeve oviduct 24, and inner sleeve oviduct 24 includes the One nozzle, the second nozzle, the bore of the first nozzle are greater than the bore of the second nozzle, the second nozzle downward with the straight tube connection, First nozzle is connect with floor drain set listrium 22 upward；The base surface that floor drain covers listrium 22 is equipped with gasket recess 221, seal washer 60 upper end is equipped with washer projection 61, and washer projection 61 and the gasket recess 221 match sealed connection；

Floor drain filter screen 70 is mounted on 20 top of floor drain inner sleeve, and floor drain filter screen 70 is located at the water inlet end of intake antrum 21；

Strainer positioning groove 25 is equipped on the inside of the upper end of floor drain inner sleeve 20, the lateral surface of floor drain filter screen 70 is fixed equipped with strainer Position convex block 71, strainer locating convex block 71 matches with strainer positioning groove 25 to be connect；

Floor drain filter screen 70 includes strainer curtain plate 72, strainer loudspeaker part 73, strainer bottom plate 74, and strainer loudspeaker part 73 includes the One strainer mouth, the second strainer mouth, the bore of the first strainer mouth are greater than the bore of the second strainer mouth, the first strainer mouth upward with strainer Curtain plate 72 connects, and the second strainer mouth down is connect with strainer bottom plate 74；

The first through slot hole 741, the first through slot hole 741 and flowing water chamber are respectively equipped on strainer loudspeaker part 73, strainer bottom plate 74 12 connection；

Floor drain filter plate 80 is mounted on the top of floor drain filter screen 70, the upper end-face edge of 40 inside of floor drain filter plate 80 and floor drainage cover plate It is flexibly connected；

The plate face of floor drain filter plate 80 is equipped with the second through slot hole 81, and the second through slot hole 81 passes through floor drain filter screen 70 and flowing water chamber 12 connection；

The lateral surface of floor drain filter plate 80 is equipped at least two or more rotation card slots 82, and each card slot 82 that rotates is uniformly distributed On the lateral surface of floor drain filter plate 80, the upper end-face edge of 40 inside of floor drainage cover plate is equipped at least two or more buckle convex blocks 45, Each buckle convex block 45 is evenly distributed on the upper end-face edge of 40 inside of floor drainage cover plate, it is each buckle convex block 45 respectively with each rotation card slot 82, which match rotation, is connected together；

The vertical depth of 10 upper edge mouth of floor drain body to 11 bottom surface of water chamber is greater than 10 upper edge mouth of floor drain body to stream The vertical depth of 12 bottom surface of water cavity.

The present embodiment has the advantages that

1, local bottom pour ladle includes floor drain body 10, floor drain inner sleeve 20, outlet pipe 30, and floor drain body 10 has water chamber 11, stream The upper end connection of water cavity 12, the upper end of water chamber 11 and flowing water chamber 12, floor drain inner sleeve 20 have an intake antrum 21, under intake antrum 21 End and 11 lower end connection of water chamber, what intake antrum 21, water chamber 11,12 three of flowing water chamber formed S type deposits pipelined channel, sewage from Intake antrum 21 enters water chamber 11, and the water come that overfills in water chamber 11 flows into flowing water chamber 12 again, then by flowing water chamber 12 from out Water pipe 30 drains sewage, water chamber 11 can be discharged when full extra sewage and sealing flow back in sewage conduct it is smelly Gas avoids foul smell from flowing back into interior, influences the living environment of people；The bottom surface of flowing water chamber 12 has inclined surface 121, arranges sewage Except more smooth, realization avoids 12 ponding of flowing water chamber；Outlet pipe 30 is mounted on the lateral surface of floor drain body 10 and sewage is laterally discharged, Facilitate and draining is pooled on a standpipe, facilitates the Construction Arrangement of indoor drainage pipe；The low level of outlet pipe 30 and flowing water chamber 12 Locate connection, keeps the draining in flowing water chamber 12 more smooth.

The floor drain at inclined surface 121, increases the floor design of flowing water chamber 12 the water flow gradient of flowing water chamber 12, makes to drain More smooth, after long-time use, floor drain is not easy to accumulate foul.

2, floor drain inner sleeve 20 is flexibly connected by being flexibly connected on the inside of floor drainage cover plate 40 and the upper end-face edge of floor drain body 10 Facilitate maintenance, the dredging of floor drain, this floor drain adds floor drainage cover plate 40, improves the sealing performance of floor drain, and overall appearance is more It is beautiful.

3, floor drainage cover plate 40 is flexibly connected with floor drain body 10 by screw thread, keeps the maintenance of floor drain, dredging more convenient.

4, this floor drain adds gasket seal 50, and floor drainage cover plate 40 is close by gasket seal 50 and the upper surface of floor drain body 10 Envelope connection, keeps the sealing performance of floor drain more preferable.

5, this floor drain adds seal washer 60, and the inside of floor drainage cover plate 40 is equipped with supporting plate 42, and seal washer 60 is mounted on On supporting plate 42, floor drain inner sleeve 20 is tightly connected by the supporting plate 42 of seal washer 60 and floor drainage cover plate 40, is improved in floor drain The sealed connection of set 20 and floor drainage cover plate 40, preferably avoids foul smell from flowing back into interior.

6, the top of supporting plate 42 is equipped with spacing block set 43, and inner sleeve card is formed between spacing block set 43 and the supporting plate 42 Slot 44, floor drain set listrium 22 matches with inner sleeve card slot 44 to be connected together, and makes the engaging of floor drain set listrium 22 and floor drainage cover plate 40 Connect more secured, stable, raising leakproofness；The outer ledge that floor drain covers listrium 22 is equipped with spacing edge-cut 222, facilitates floor drain set 22 sets of listrium spacing block set 43 be connected together with inner sleeve card slot 44.

7, floor drain inner sleeve 20 further includes inner sleeve straight tube 23, inner sleeve oviduct 24, the big mouth of inner sleeve oviduct 24 upward, inner sleeve The small mouth down of oviduct 24, the intake antrum 21 for making the collection of sewage flow into floor drain inner sleeve 20 is more smoothly, facilitates the collection of sewage Hold together, collect；The base surface that floor drain covers listrium 22 is equipped with gasket recess 221, and the upper end of seal washer 60 is equipped with washer projection 61, Keep the sealing of floor drain inner sleeve 20 and seal washer 60 more reliable, stable.

8, this floor drain further includes floor drain filter screen 70, and floor drain filter screen 70 can filter out the sundries for following sewage to flow into floor drain, keep away Exempt from floor drain blocking.

9, this floor drain further includes floor drain filter plate 80, and floor drain filter plate 80 can be leading the coarse sundries for following sewage to flow into floor drain It filters out, preferably floor drain can be avoided to block.

10, the lateral surface of floor drain filter plate 80 is equipped at least two or more rotation card slots 82,40 inside of floor drainage cover plate Upper end-face edge is equipped at least two or more buckle convex blocks 45, and each convex block 45 that buckles matches rotation with each rotation card slot 82 respectively It is connected together, keeps floor drain filter plate 80 and the connection of floor drainage cover plate 40 more stable, dismounting side is more convenient.

11, it is equipped with flowing water groove 421 below supporting plate 42, increases the flowing water area of flowing water chamber 12 and water chamber 11, makes dirt The pipelined channel that water is discharged into flowing water chamber 12 from water chamber 11 is more smoothly.

12, floor drain inner sleeve 20 is matched with strainer locating convex block 71 by the strainer positioning groove 25 and is connect, and makes floor drain The installation of inner sleeve 20 is more stable, accurate.

13, floor drain filter screen 70 includes strainer curtain plate 72, strainer loudspeaker part 73, strainer bottom plate 74, strainer loudspeaker part 73 Upward, the small mouth down of strainer loudspeaker part 73 makes sewage preferably flow into floor drain filter screen 70, preferably sundries can be filtered big mouth It removes.

14, floor drain filter plate 80 matches rotation engaging company with the buckle convex block 45 of floor drainage cover plate 40 by rotating card slot 82 It connects, keeps floor drain filter plate 80 and the connection of floor drainage cover plate 40 more stable, dismounting side is more convenient.

15, be respectively equipped with gasket protrusion 51 in top surface, the bottom surface of gasket seal 50, floor drain body 10 upper transverse plane with And the baseplane of drain cover listrium 41 sets gasket groove 411 respectively and the gasket protrusion 51 matches sealed connection, makes floor drain Sealing of the connector at step notch is more thorough.

16, the depth of water chamber 11 is greater than the depth of flowing water chamber 12, makes this floor drain in the feelings for not reducing 11 depth of water chamber Under condition, the depth of flowing water chamber 12 is reduced, saves material, saves cost, moreover it is possible to the flowing water height of flowing water chamber 12 is improved, it is more convenient The lateral discharge of sewage, accelerates draining.

The above are only specific embodiments of the present invention, does not limit the protection scope of the utility model with this；Not It violates made any replacement on the basis of the utility model is conceived and improves, the category protection scope of the utility model.

Claims (10)

1. floor drain, which is characterized in that including floor drain body, floor drain inner sleeve, outlet pipe, floor drain body has water chamber, flowing water chamber, The bottom surface of the upper end of water chamber and the upper end connection of flowing water chamber, flowing water chamber has inclined surface, and outlet pipe is mounted on floor drain body With connection at the low level of flowing water chamber on lateral surface, floor drain inner sleeve is mounted in water chamber and connect with floor drain body upper end-face edge, ground Leaking inner sleeve has intake antrum, the lower end of intake antrum and water chamber lower end connection.

2. floor drain as described in claim 1, which is characterized in that further include floor drainage cover plate, the floor drain inner sleeve is by describedly It is flexibly connected on the inside of Cancellation Missed plate and the upper end-face edge of the floor drain body.

3. floor drain as claimed in claim 2, which is characterized in that in first set on the inside of the upper end-face edge of the floor drain body Screw thread, the outside of the floor drainage cover plate are equipped with the first external screw thread, and first external screw thread and first internal screw thread match company It connects.

4. floor drain as claimed in claim 2, which is characterized in that further include gasket seal, the gasket seal is mounted on described On the upper surface of floor drain body, the upper end outer edge of the floor drainage cover plate has drain cover listrium, and the drain cover listrium passes through The upper surface of the gasket seal and the floor drain body is tightly connected.

5. such as the described in any item floor drains of claim 2 to 4, which is characterized in that it further include seal washer, the floor drainage cover plate Inside is equipped with supporting plate, and the seal washer is mounted on the supporting plate, the floor drain inner sleeve by the seal washer with The floor drainage cover plate is tightly connected.

6. floor drain as claimed in claim 5, which is characterized in that be equipped with limit in the top of supporting plate on the inside of the floor drainage cover plate Convex block forms inner sleeve card slot between the spacing block set and the supporting plate, the floor drain inner sleeve includes floor drain set listrium, described Floor drain set listrium is located in the floor drain on the outer edge of set upper side, and the outer ledge of the floor drain set listrium is equipped with limiting slot Mouthful, the spacing edge-cut is corresponding with the spacing block set, floor drain set listrium by limiting slot muzzle cross spacing block set and Inner sleeve card slot, which matches, to be connected together.

7. floor drain as claimed in claim 6, which is characterized in that the floor drain inner sleeve further includes inner sleeve straight tube, inner sleeve oviduct, The inner sleeve oviduct includes the first nozzle, the second nozzle, and the bore of first nozzle is greater than the bore of the second nozzle, described Second nozzle downward with the straight tube connection, first nozzle upward with the floor drain set listrium connect；The floor drain covers edge The base surface of plate is equipped with gasket recess, and the upper end of the seal washer is equipped with washer projection, the washer projection and the pad Circle groove matches sealed connection.

8. such as the described in any item floor drains of claim 2 to 4, which is characterized in that it further include floor drain filter screen, the floor drain filter screen peace Above the floor drain inner sleeve, be equipped with strainer positioning groove on the inside of the upper end of the floor drain inner sleeve, the floor drain filter screen it is outer Side is equipped with strainer locating convex block, and the strainer locating convex block matches with the strainer positioning groove to be connect.

9. floor drain as claimed in claim 8, which is characterized in that further include floor drain filter plate, the floor drain filter plate is mounted on described The top of floor drain filter screen, the floor drain filter plate are flexibly connected with the upper end-face edge on the inside of the floor drainage cover plate.

10. floor drain as claimed in claim 9, which is characterized in that the lateral surface of the floor drain filter plate be equipped at least two with On rotation card slot, each rotation card slot is evenly distributed on the lateral surface of the floor drain filter plate, on the inside of the floor drainage cover plate Upper end-face edge be equipped at least two or more buckle convex blocks, each buckle convex block is evenly distributed on the floor drainage cover plate inside Upper end-face edge on, each buckle convex block matches rotation with each rotation card slot respectively and is connected together.