CN212271166U

CN212271166U - Multi-channel floor drain

Info

Publication number: CN212271166U
Application number: CN202020599705.0U
Authority: CN
Inventors: 吕家杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2021-01-01
Anticipated expiration: 2030-04-20

Abstract

The utility model discloses a multichannel floor drain relates to drainage system technical field, and its technical scheme main points are: the floor drain comprises a floor drain main body and a drainage joint, wherein the upper end of the floor drain main body is provided with a water inlet, and the lower end of the floor drain main body is provided with a water outlet; the drainage connector is provided with a water inlet flow passage, the lower end of the drainage connector is provided with a drainage pipe communicated with the water inlet flow passage, the drainage pipe extends downwards to form a water outlet, a drainage gap is formed between the outer wall of the drainage pipe and the floor drain main body, and the drainage gap is communicated with the water inlet and the water outlet; the outer wall of drain pipe slides and is connected with the closing plate, is provided with the piece that resets between the lower extreme of drain pipe and the closing plate, and the piece that resets can exert the effort in directional delivery port one side to the closing plate for the closing plate pastes tight delivery port and seals up the delivery port. The drain pipe and the water outlet share the same sewer pipeline and are independent from each other, the drain process is not influenced mutually, and the purpose of convenient use of local leakage is realized.

Description

Multi-channel floor drain

Technical Field

The utility model relates to a drainage system technical field, in particular to multichannel floor drain.

Background

The floor drain is a drainage device connected with a ground and drainage pipeline system, along with improvement of life quality of people, requirements on indoor air quality are also improved, and the floor drain needs to have the functions of quick drainage, odor prevention, blockage prevention, easiness in cleaning and the like.

At present, Chinese patent with publication number CN202787429U discloses a deodorant floor drain main body closed by magnetic force. The floor drain comprises a floor drain body, a turnover plate, a movable magnet and a fixed magnet, wherein the floor drain body is cylindrical and is provided with a connecting port, a shaft seat and a dirt shielding cover; the fixed magnet is arranged on the turning plate, the turning plate is arranged in the barrel body of the floor drain body, the hinged shaft is hinged with the shaft seat of the floor drain body, and the fixed magnet is arranged on the inner wall in the barrel body of the floor drain body.

When the floor drain main body is used, sewage flows into the floor drain body from the ground, at the moment, the movable magnet on the turning plate in the floor drain body is attracted by the fixed magnet, the floor drain body is sealed, when the liquid level of the sewage entering the floor drain body is gradually increased, the weight of the sewage is greater than the attraction force between the movable magnet and the fixed magnet, the balance of the magnet is damaged, the turning plate swings eccentrically arranged along a shaft, the turning plate is opened, the sewage flows to a sewer pipe through the bottom of the floor drain body, when the sewage in the floor drain body flows off, the weight of the sewage acting on the turning plate disappears, and the turning plate is automatically closed under the action of the attraction force between the movable magnet and the fixed magnet

The technical scheme has the following defects: when the floor drain is used, the floor drain can only be suitable for draining surface water, and as household appliances such as washing machines and dish washing machines are increasingly widely applied in life, when the drainage pipes of the washing machines and the dish washing machines drain water through the floor drain, one floor drain can only meet the drainage of one drainage pipe, and other drainage pipes to be drained cannot drain through the floor drain; if the drainage pipes of the washing machine and the dish washing machine are not inserted into the sewer pipe openings, but directly drained to the ground and then drained through the floor drain, the ground is wet and dirty after the ground area is drained, a user needs to manually clean the ground, and the use is inconvenient for the user.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a multichannel floor drain, it has convenient to use's advantage.

The above technical purpose of the present invention can be achieved by the following technical solutions: a multi-channel floor drain comprises a floor drain main body and a drainage joint, wherein the upper end of the floor drain main body is provided with a water inlet, and the lower end of the floor drain main body is provided with a water outlet; the drainage joint is provided with a water inlet flow passage, the lower end of the drainage joint is provided with a drainage pipe communicated with the water inlet flow passage, the drainage pipe extends downwards to form the water outlet, a drainage gap is formed between the outer wall of the drainage pipe and the floor drain main body, and the drainage gap is communicated with the water inlet and the water outlet; the outer wall of the drain pipe is connected with a sealing plate in a sliding mode, a reset piece is arranged between the lower end of the drain pipe and the sealing plate, and the reset piece can apply acting force pointing to one side of the water outlet to the sealing plate, so that the sealing plate is tightly attached to the water outlet and seals the water outlet.

According to the technical scheme, the drainage joint is connected to the water outlet on the floor drain main body and is communicated with the drainage pipe, the water inlet is communicated with the water outlet through the drainage gap, the sealing plate in sliding connection with the outer wall of the drainage pipe seals the water outlet under the action of the reset piece, the drainage joint is provided with the water inlet flow channel, and the water inlet flow channel is connected with a sewage discharge pipeline of the washing machine or the dish washing machine, so that sewage in the washing machine or the dish washing machine is directly discharged into a sewer through the drainage joint and the drainage pipe; the surface water then flows to the delivery port through the water inlet, when resultant force (surface water gravity gathered at the delivery port and closing plate self gravity) is greater than the effort of piece to the closing plate that resets, the closing plate slides to keeping away from delivery port one side, make the delivery port open, surface water is then discharged the sewer from the delivery port of opening, after the surface water is excreted, the effort of piece to the closing plate that resets is greater than resultant force (gravity and closing plate self gravity of ponding on the closing plate), the piece that resets then promotes the closing plate and slides to the water inlet direction, and seal the delivery port, realize the sealed deodorant of delivery port, realize this multichannel floor drain convenient to use's purpose with this realization.

Preferably, the upper end of the floor drain main body is detachably connected with a filtering cover capable of covering the water inlet, the filtering cover is provided with a central hole, and the lower end of the drainage joint penetrates through the central hole and is detachably connected with the filtering cover.

Through the technical scheme, the filter cover arranged at the water inlet can filter accumulated water which is gathered into the water inlet through the ground surface, so that a sewer is prevented from being blocked; the water discharge joint passes through a central hole formed on the filter cover and is connected with the filter cover.

Preferably, the lower end of the drainage joint is provided with a retaining shoulder which is tightly abutted against the upper end face of the filter cover, the lower end of the drainage joint penetrates through the central hole and then is connected with a locking ring, and the upper end of the locking ring is tightly abutted against the lower end face of the filter cover.

Through the technical scheme, the lower end of the drainage joint penetrates through the central hole, so that the blocking shoulder at the lower end of the drainage joint is tightly abutted to the upper end face of the filtering cover, the lower end of the drainage joint is connected with the locking ring, and the upper end of the locking ring is tightly abutted to the lower end face of the filtering cover, so that the drainage joint is fixed.

Preferably, the drain pipe comprises a connecting pipe and an extension pipe, the connecting pipe is positioned between the drain joint and the extension pipe, and the connecting pipe is used for communicating the drain joint with the extension pipe; the outer wall of the connecting pipe is provided with a fixing ring, the fixing ring and the connecting pipe are fixed through a plurality of supporting blocks, a drainage gap is formed between two adjacent supporting blocks, and the fixing ring is detachably connected with the floor drain main body; the reset piece is arranged at the lower end of the extension pipe, and the sealing plate slides on the outer wall of the extension pipe.

Through the technical scheme, the connecting pipe and the fixing ring are fixed into a whole through the supporting blocks, the outer wall of the fixing ring is connected with the floor drain main body, the fixing of the drain pipe is realized, and the water inlet is communicated with the water outlet through the drainage gap formed between two adjacent supporting blocks, so that accumulated water in the water inlet can be reserved to the water outlet from the drainage gap; the piece that resets sets up in the lower extreme of extension pipe to thereby promote the closing plate to slide upwards and seal the delivery port.

Preferably, the reset piece comprises a first magnetic block and a second magnetic block, a placing groove for placing the first magnetic block is formed in the outer wall of the lower end of the extension pipe, a fixing cap is detachably connected to the outer wall of the lower end of the extension pipe, and the first magnetic block is sealed in the placing groove by the fixing cap; the lower end of the sealing plate is provided with a mounting groove for placing the second magnetic block, and the magnetic force between the first magnetic block and the second magnetic block is repulsive force.

Through the technical scheme, the first magnetic block is placed in the placing groove, the fixing cap is detachably connected to the lower end of the extension pipe and is fixed in the placing groove, the lower end of the sealing plate is fixed with the second magnetic block, and the second magnetic block and the sealing plate can be pushed to move upwards integrally due to the fact that magnetic force between the first magnetic block and the second magnetic block is repulsive force, so that the sealing plate is reset and the water outlet is sealed.

Preferably, the floor drain main body comprises a panel and a cylinder body, the lower end of the panel is connected with the cylinder body, the lower end of the cylinder body is detachably connected with a pressing cap, a sealing ring is clamped at the lower end of the pressing cap, a movable flap is integrally formed at the lower end of the sealing ring, and the inner ring of the movable flap can be abutted against the upper end face of the sealing plate.

Through above-mentioned technical scheme, the barrel is connected with the lower extreme of panel, and the pressure cap that the barrel lower extreme can be dismantled and is connected is fixed the sealing washer for the activity lamella is down, and after the closing plate resets, the up end of closing plate supported tightly with the inner circle of activity lamella, realizes that the closing plate seals the delivery port.

Preferably, the lower end of the connecting pipe is sleeved with a sealing sleeve, and the lower end of the sealing sleeve is flush with the lower end of the movable valve.

Through above-mentioned technical scheme, the seal cover flushes with the lower extreme of activity lamella, and after the closing plate resets, the up end of closing plate can support tightly with the lower extreme of seal cover for the clearance that produces between closing plate and the extension pipe is sealed with the closing plate cooperation to the seal cover, has further improved the leakproofness of delivery port department.

Preferably, a filter plate is arranged between the filter cover and the panel, and a plurality of filter holes are formed in the end face of the filter plate at intervals in the circumferential direction; the filter plate is upwards protruding to be formed with filtering space, the last circumference interval of filter plate is provided with blocks.

Through above-mentioned technical scheme, filter the filter between lid and the panel upwards protruding and form filtration space for rivers between filter and the panel can flow into the delivery port, and earth's surface ponding filters through the filter plate earlier before the water inlet flows into the delivery port, and the great debris of volume are filtered the hole interception, and the interception piece then intercepts debris such as hair in the earth's surface ponding, takes out the filter alright with the debris clearance under the filter.

Preferably, the number of the water inlet flow channels is at least two, and a pagoda joint is arranged outside at least one water inlet flow channel.

Through above-mentioned technical scheme, the setting of two water inlet flow ways, water inlet flow way can have independent interface and two treat that sewage pipes is independently connected, and the pagoda connects the high-speed joint of the soft pipeline of being convenient for, and is difficult for droing after being connected with soft pipeline.

Preferably, the water inlet flow channel is provided with a plurality of water inlet flow channels, and the water inlet flow channel is detachably connected with a plug.

Through the technical scheme, the arrangement of the plurality of water inlet flow channels is convenient for the plurality of pipelines to be discharged sewage to be correspondingly connected with the plurality of independent water inlet flow channels; when no sewage discharge pipeline is connected with the water inlet flow channel, the water inlet flow channel is sealed through the plug, so that odor in a sewer is effectively prevented from rising indoors.

To sum up, the utility model discloses the beneficial effect who contrasts in prior art does:

1. the water inlet flow channels are directly communicated with the sewer pipeline, so that the drainage speed of the washing machine or the dish-washing machine is accelerated, the water outlet is sealed by the sealing plate, and odor in the sewer is effectively prevented from entering a room through the water outlet;

2. the drain pipe and the water outlet share the same sewer pipe and are independent from each other, and the drainage process is not influenced by each other;

3. the problem that a plurality of blow-off pipes need to blow off simultaneously can be effectively solved.

Drawings

FIG. 1 is a schematic diagram of an explosion structure of a floor drain main body in the embodiment;

FIG. 2 is a schematic full-section view of the floor drain body in the embodiment;

FIG. 3 is a schematic view of the embodiment in full section;

FIG. 4 is a schematic external structural view of the embodiment;

FIG. 5 is a schematic view of the drain joint and the drain pipe in the embodiment;

FIG. 6 is a schematic view showing an external structure of a drain joint and a drain pipe in the embodiment;

FIG. 7 is a schematic structural view of a sealing plate in the embodiment;

FIG. 8 is a schematic view of the embodiment in full section (with a plug).

Reference numerals: 100. a floor drain main body; 110. a water inlet; 111. a card slot; 120. a water outlet; 130. a panel; 140. a barrel; 141. pressing the cap; 142. a seal ring; 1421. a movable flap; 200. a water discharge joint; 210. a shoulder block; 220. locking a ring; 300. a water inlet flow channel; 310. a pagoda joint; 320. a plug; 400. a drain pipe; 410. a drainage gap; 420. a connecting pipe; 421. a fixing ring; 422. a support block; 423. sealing sleeves; 424. a rubber ring; 430. an extension tube; 431. a placement groove; 432. a fixing cap; 500. a sealing plate; 510. mounting grooves; 600. a reset member; 610. a first magnetic block; 620. a second magnetic block; 700. a filter cover; 710. a central bore; 720. a hook is clamped; 800. a filter plate; 810. a filtration pore; 820. filtering the space; 830. and (4) intercepting the block.

Detailed Description

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

The present invention will be described in further detail with reference to the accompanying drawings.

A multi-channel floor drain is shown in figures 1 to 8 and comprises a floor drain main body 100 and a drainage joint 200, wherein the upper end of the floor drain main body 100 is provided with a water inlet 110, and the lower end of the floor drain main body 100 is provided with a water outlet 120; the drainage connector 200 is provided with a water inlet channel 300, the lower end of the drainage connector 200 is provided with a drainage pipe 400 communicated with the water inlet channel 300, the drainage pipe 400 extends downwards to form a water outlet 120, a drainage gap 410 is formed between the outer wall of the drainage pipe 400 and the floor drain main body 100, and the drainage gap 410 is communicated with the water inlet 110 and the water outlet 120; the outer wall of the drain pipe 400 is connected with a sealing plate 500 in a sliding manner, a reset piece 600 is arranged between the lower end of the drain pipe 400 and the sealing plate 500, and the reset piece 600 can apply an acting force to the sealing plate 500 to point to one side of the water outlet 120, so that the sealing plate 500 is attached to the water outlet 120 to seal the water outlet 120.

Preferably, at least two water inlet channels 300 are provided, and a pagoda joint 310 is provided outside at least one water inlet channel 300, and the diameter of the outer ring of the pagoda joint 310 can be adjusted according to the inner diameter of a sewage pipeline on the washing machine or the dish washing machine, so that the pagoda joint 310 is matched with the sewage pipeline of the washing machine or the dish washing machine. As another scheme, one or more water inlet channels 300 may be provided according to an actual application scenario, and the water inlet channel 300 is detachably connected with a plug 320 through a thread or a snap connection.

The upper end of the floor drain main body 100 is provided with a filter cover 700, a clamping hook 720 is integrally formed on the side surface of the filter cover 700, a clamping groove 111 is arranged in the water inlet 110, the clamping groove 111 is matched with the clamping hook 720 to fix the filter cover 700 to the upper end of the floor drain main body 100, the filter cover 700 can cover the water inlet 110, a central hole 710 is formed in the filter cover 700, the lower end of the drainage joint 200 is reduced in diameter to form a retaining shoulder 210, the retaining shoulder 210 is abutted against the upper end surface of the filter cover 700, the lower end of the drainage joint 200 penetrates through the central hole 710 and is in threaded connection with a locking ring 220, and the upper end of the locking ring 220 is abutted against the lower end surface of the filter cover 700. Or the drain connector 200 is directly fixed with the filter cover 700 by screw threads or clamping, so that the locking ring 220 is omitted.

The drain pipe 400 includes a connection pipe 420 and an extension pipe 430, the connection pipe 420 is located between the drain joint 200 and the extension pipe 430, and the connection pipe 420 communicates the drain joint 200 with the extension pipe 430, preferably, the upper end of the connection pipe 420 is inserted into the lower end of the drain joint 200 and sealed by a rubber ring 424, and the upper end of the extension pipe 430 is screwed to the lower end of the connection pipe 420.

The outer wall of the connecting pipe 420 is provided with a fixing ring 421, the fixing ring 421 and the connecting pipe 420 are integrally formed through a plurality of supporting blocks 422, a drainage gap 410 is formed between two adjacent supporting blocks 422, and the fixing ring 421 and the floor drain main body 100 are detachably connected through clamping or threaded connection; the restoring member 600 is disposed at the lower end of the extension pipe 430, and the sealing plate 500 slides on the outer wall of the extension pipe 430.

The reset piece 600 comprises a first magnetic block 610 and a second magnetic block 620, a placing groove 431 for placing the first magnetic block 610 is formed in the outer wall of the lower end of the extension tube 430, a fixing cap 432 is connected to the outer wall of the lower end of the extension tube 430 through clamping and threading, and the first magnetic block 610 is sealed in the placing groove 431 by the fixing cap 432; the lower end of the sealing plate 500 is provided with a mounting groove 510 for placing the second magnetic block 620, and the magnetic force between the first magnetic block 610 and the second magnetic block 620 is repulsive force. Alternatively, the restoring member 600 may be a common restoring member such as a spring in the prior art, so long as the restoring member can push the sealing plate 500 to seal the water outlet 120.

The floor drain main body 100 comprises a panel 130 and a cylinder 140, the lower end of the panel 130 is connected with the cylinder 140 in a threaded or clamping manner, the lower end of the cylinder 140 is connected with a pressing cap 141 in a threaded manner, a sealing ring 142 is clamped at the lower end of the pressing cap 141, a movable flap 1421 is integrally formed at the lower end of the sealing ring 142, and the inner ring of the movable flap 1421 can abut against the upper end face of the sealing plate 500. Preferably, the lower end of the connection pipe 420 is sleeved with a sealing sleeve 423, and the lower end of the sealing sleeve 423 is flush with the lower end of the movable valve 1421.

A filter plate 800 is arranged between the filter cover 700 and the panel 130, and a plurality of filter holes 810 are arranged at intervals in the circumferential direction on the end surface of the filter plate 800; the filter plate 800 is upwardly protruded to form a filter space 820, and the filter plate 800 is provided with the intercepting blocks 830 at intervals in the circumferential direction.

The working principle of the multi-channel floor drain is as follows:

this multichannel floor drain's equipment: the pressing cap 141 is in threaded connection with the lower end of the cylinder 140, the sealing ring 142 is in clamping connection with the pressing cap 141, so that the movable valve 1421 faces downwards, the cylinder 140 is in threaded connection with the lower end of the panel 130, and the assembly of the floor drain main body 100 is completed; the sealing sleeve 423 is clamped at the lower end of the fixing ring 421, and the fixing ring 421 is clamped at the upper end of the cylinder 140; the magnetic block I610 is placed in the placing groove 431, the fixing cap 432 is clamped on the outer side of the placing groove 431, the fixing cap 432 seals the magnetic block I610 in the placing groove 431, the magnetic block II 620 is hinged or clamped in the mounting groove 510 II, the sealing plate 500 is sleeved on the outer wall of the extension pipe 430, one end, provided with the magnetic block I610, of the sealing plate 500 faces the magnetic block II 620, external force pointing to the magnetic block I610 is applied to the sealing plate 500, the sealing plate 500 is close to the magnetic block I610, the extension pipe 430 is connected to the lower end of the connecting pipe 420 in a threaded mode, the external force on the sealing plate 500 is released, the sealing plate 500 moves upwards under the action of repulsive force between the magnetic block I610 and the magnetic block II 620, and after the sealing plate 500 is reset, the upper end face of the sealing plate 500 abuts against the inner ring; the lower end of the drainage joint 200 passes through the central hole 710 on the filter cap 700 and is in threaded connection with the locking ring 220, so that the retaining shoulder 210 abuts against the upper end surface of the filter cap 700, and the upper end of the locking ring 220 abuts against the lower end surface of the filter cap 700; the floor drain main body 100 is arranged above the sewer pipe, the upper end face of the panel 130 is flush with the ground, the filter plate 800 is arranged in the panel 130, the filter cover 700 is arranged in the water outlet 120, the upper end of the connecting pipe 420 is inserted into the lower end of the drainage connector 200, the filter cover 700 is rotated to enable the clamping hook 720 to extend into the clamping groove 111, the panel 130 axially limits the filter cover 700, and the multi-channel floor drain is assembled.

The sewage discharge pipe of the washing machine or the dish washing machine is connected with the water inlet flow passage 300, and when the washing machine or the dish washing machine discharges water, sewage in the washing machine or the dish washing machine can be directly discharged into the sewer pipe through the water inlet flow passage 300, the water discharge connector 200 and the water discharge pipe 400; since the drain pipe of the washing machine or the dish washer is connected to the inlet flow passage 300, the odor in the drain pipe does not rise to the indoor from the inside of the drain pipe 400. The water inlet channel 300 which is not used is sealed by the plug 320, so that the air tightness of the floor drain is further improved.

The surface water enters the panel 130 after being filtered by the filter cover 700, the filter plate 800 filters the surface water entering the panel 130 for the second time, the surface water flows into the water outlet 120 from the water discharge gap 410, when resultant force (gravity of the surface water collected in the water outlet 120, gravity of the sealing plate 500 and gravity of the magnetic block II 620) is larger than supporting force of the magnetic block I610 on the magnetic block II 620, the sealing plate 500 moves downwards, the water outlet 120 is communicated with a sewer pipe, the surface water is discharged into the sewer pipe from the opened water outlet 120, and drainage of the surface water is completed.

After the drainage of the surface water is finished, the resultant force (the gravity of the accumulated water collected in the water outlet 120, the gravity of the sealing plate 500 and the gravity of the magnetic block II 620) is smaller than the supporting force of the magnetic block I610 to the magnetic block II 620, the sealing plate 500 moves upwards and resets, after the sealing plate 500 resets, the upper end face of the sealing plate 500 abuts against the inner ring of the movable valve 1421 and the lower end of the sealing sleeve 423 at the same time, and the water outlet 120 is sealed.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.

Claims

1. The utility model provides a multichannel floor drain which characterized in that: the floor drain comprises a floor drain main body (100) and a drainage joint (200), wherein a water inlet (110) is formed in the upper end of the floor drain main body (100), and a water outlet (120) is formed in the lower end of the floor drain main body (100); the drainage joint (200) is provided with a water inlet flow passage (300), the lower end of the drainage joint (200) is provided with a drainage pipe (400) communicated with the water inlet flow passage (300), the drainage pipe (400) extends downwards out of the water outlet (120), a drainage gap (410) is formed between the outer wall of the drainage pipe (400) and the floor drain main body (100), and the drainage gap (410) is communicated with the water inlet (110) and the water outlet (120); the outer wall of the drain pipe (400) is connected with a sealing plate (500) in a sliding mode, a resetting piece (600) is arranged between the lower end of the drain pipe (400) and the sealing plate (500), the resetting piece (600) can exert an acting force pointing to one side of the water outlet (120) on the sealing plate (500), and the sealing plate (500) is made to be attached to the water outlet (120) tightly to seal the water outlet (120).

2. A multichannel floor drain as claimed in claim 1, characterized in that: the upper end of the floor drain main body (100) is detachably connected with a filtering cover (700) capable of covering the water inlet (110), a central hole (710) is formed in the filtering cover (700), and the lower end of the drainage connector (200) penetrates through the central hole (710) and is detachably connected with the filtering cover (700).

3. A multichannel floor drain as claimed in claim 2, characterized in that: the lower end of the drainage joint (200) is provided with a retaining shoulder (210), the retaining shoulder (210) is tightly abutted to the upper end face of the filter cover (700), the lower end of the drainage joint (200) penetrates through the central hole (710) and then is connected with a locking ring (220), and the upper end of the locking ring (220) is tightly abutted to the lower end face of the filter cover (700).

4. A multichannel floor drain as claimed in claim 2, characterized in that: the drain pipe (400) comprises a connecting pipe (420) and an extension pipe (430), the connecting pipe (420) is positioned between the drain joint (200) and the extension pipe (430), and the connecting pipe (420) is used for communicating the drain joint (200) with the extension pipe (430); the outer wall of the connecting pipe (420) is provided with a fixing ring (421), the fixing ring (421) and the connecting pipe (420) are fixed through a plurality of supporting blocks (422), a drainage gap (410) is formed between two adjacent supporting blocks (422), and the fixing ring (421) is detachably connected with the floor drain main body (100); the reset piece (600) is arranged at the lower end of the extension pipe (430), and the sealing plate (500) slides on the outer wall of the extension pipe (430).

5. A multichannel floor drain as claimed in claim 4 wherein: the reset piece (600) comprises a first magnetic block (610) and a second magnetic block (620), a placing groove (431) for placing the first magnetic block (610) is formed in the outer wall of the lower end of the extension pipe (430), a fixing cap (432) is detachably connected to the outer wall of the lower end of the extension pipe (430), and the first magnetic block (610) is sealed in the placing groove (431) by the fixing cap (432); the lower end of the sealing plate (500) is provided with a mounting groove (510) for placing the magnetic block II (620), and the magnetic force between the magnetic block I (610) and the magnetic block II (620) is repulsive force.

6. A multichannel floor drain as claimed in claim 4 wherein: the floor drain main body (100) comprises a panel (130) and a cylinder body (140), the lower end of the panel (130) is connected with the cylinder body (140), the lower end of the cylinder body (140) is detachably connected with a pressing cap (141), a sealing ring (142) is clamped at the lower end of the pressing cap (141), a movable flap (1421) is integrally formed at the lower end of the sealing ring (142), and the inner ring of the movable flap (1421) can be abutted against the upper end face of the sealing plate (500).

7. A multichannel floor drain as claimed in claim 6, characterized in that: the lower end of the connecting pipe (420) is sleeved with a sealing sleeve (423), and the lower end of the sealing sleeve (423) is flush with the lower end of the movable valve (1421).

8. A multichannel floor drain as claimed in claim 6, characterized in that: a filter plate (800) is arranged between the filter cover (700) and the panel (130), and a plurality of filter holes (810) are formed in the circumferential direction of the end face of the filter plate (800) at intervals; the filter plate (800) is upwards protruded to form a filter space (820), and the filter plate (800) is circumferentially provided with intercepting blocks (830) at intervals.

9. A multichannel floor drain as claimed in claim 1, characterized in that: at least two water inlet channels (300) are arranged, and a pagoda joint (310) is arranged outside at least one water inlet channel (300).

10. A multichannel floor drain as claimed in claim 1, characterized in that: the water inlet flow channel (300) is provided with a plurality of water inlet flow channels, and a plug (320) is detachably connected in the water inlet flow channel (300).