CN112064760B - Assembled anti-reverse-water floor drain and assembling method - Google Patents

Abstract

The invention relates to the technical field of floor drains, in particular to an assembled anti-reverse floor drain and an assembling method. The floor drain outer barrel is arranged in a ground building and communicated with an indoor drain pipe, a sliding groove is formed in the inner peripheral wall surface of the floor drain outer barrel, the floor drain inner core comprises a drain pipe, a floating sleeve, a rotating sleeve and an unlocking sleeve, the drain pipe is located in the floor drain outer barrel, the floating sleeve is sleeved on the drain pipe, a spiral flow guide plate is arranged on the outer peripheral surface of the floating sleeve, a sliding block matched with the sliding groove is arranged on the spiral flow guide plate, the rotating sleeve is sleeved at the lower end of the drain pipe, an overflow structure is arranged on the outer peripheral wall surface of the rotating sleeve, and the unlocking sleeve is inserted into the drain pipe and drives the rotating sleeve to rotate. When the inner floor drain core is disassembled, the unlocking sleeve is rotated to discharge accumulated water in the overflow structure through the sliding groove and then the inner floor drain core is lifted upwards, so that the influence on the ground environment of a building caused by the fact that sewage on the inner floor drain core is carried out of the outer floor drain barrel is avoided.

Description

Assembled anti-reverse-water floor drain and assembling method

Technical Field

The invention relates to the technical field of floor drains, in particular to an assembled anti-reverse floor drain and an assembling method.

Background

The floor drain is used as a common drainage device in a building drainage system and is an important interface for connecting a drainage pipeline system and indoor ground, the normal work of the drainage system is directly influenced by the good or bad performance of the floor drain, and meanwhile, the floor drain is very important for the quality of indoor air and the control of bathroom peculiar smell.

Chinese patent application No. 201821110609.4 discloses a floor drain for a washing machine, which comprises a floor drain body, a first glue-coating component, a mandrel, a sealing sleeve, a recovery component and the like. The floor drain of the washing machine has complex parts and is troublesome to assemble and disassemble, and when the floor drain is disassembled, each part can easily bring sewage out of the floor drain, so that the indoor environment is influenced; meanwhile, the floor drain is singly opened by overcoming the elasticity of the elastic part under the action of water flow, the opening speed of the drainage port is slow, and the drainage effect is difficult to ensure; furthermore, the first glue coating assembly, the sealing sleeve and the like of the floor drain are vertically arranged in the middle of the floor drain body through the mandrel, so that the middle of the floor drain body is occupied, a drainage channel is reduced, the space of the floor drain of the washing machine is very limited, and large-flow ground water cannot be quickly and timely discharged after the control assembly occupies the drainage channel, so that the risk that the indoor ground is flooded is caused; furthermore, the floor drain has poor effect of preventing water from flowing back, and the risk of flooding by water flowing back reversely in a room is high.

Disclosure of Invention

According to at least one defect of the prior art, the invention provides an assembled anti-reverse floor drain and an assembling method thereof, which aim to solve the problems that the prior floor drain is easy to cause ground environmental pollution when being disassembled and has poor anti-reverse effect.

The assembled anti-reverse floor drain adopts the following technical scheme:

the floor drain outer barrel is vertically arranged in a ground building and is communicated with an indoor drain pipe, and a plurality of vertically extending sliding grooves are uniformly distributed on the inner peripheral wall surface of the floor drain outer barrel along the circumferential direction; the floor drain inner core includes:

the lower end of the sewer pipe extends into the outer floor drain cylinder and is connected with the outer floor drain cylinder;

the floating sleeve is sleeved on the sewer pipe in a sliding manner, a plurality of spiral guide plates are uniformly distributed on the peripheral wall surface of the floating sleeve along the circumferential direction of the floating sleeve, the spiral guide plates spirally rise along the anticlockwise direction, the upper end of each spiral guide plate is connected with a limiting plate extending downwards, and one side, away from the floating sleeve, of each spiral guide plate is provided with a sliding block matched with the sliding groove;

the water seal device comprises a rotating sleeve, a water inlet pipe, a water outlet pipe, a water seal side plate, a water seal bottom plate and a water seal groove, wherein the rotating sleeve is sleeved at the lower end of the sewer pipe, a plurality of overflow structures are uniformly distributed on the peripheral wall surface of the rotating sleeve, each overflow structure comprises an overflow plate and a rotating side plate which are sequentially arranged along the clockwise direction, the water seal bottom plate is connected with the lower end of the overflow plate and the lower end of the rotating side plate to form the water seal groove, and the height of the rotating side plate is higher than that of the overflow plate; the lower end face of the floating sleeve is in contact with the upper end face of the rotating sleeve, the outer diameter of the floating sleeve is larger than that of the rotating sleeve, each spiral guide plate is positioned between two rotating side plates, the upper end of the rotating side plate positioned on the anticlockwise side of the spiral guide plate is positioned between the spiral guide plate and a limiting plate connected with the spiral guide plate, and the lower end of the spiral guide plate is inserted into a water seal groove between the two rotating side plates; and

the unlocking sleeve is inserted into the interior of the sewer pipe and rotates along the rotating sleeve, the unlocking sleeve comprises a torsion ring and connecting columns, the connecting columns are connected to the lower end of the torsion ring and are uniformly distributed along the circumferential direction of the torsion ring, and the torsion ring protrudes out of the upper end face of the sewer pipe; the lower end of the connecting column is connected to the rotating sleeve, and the lower end of the sliding chute is located below the water seal bottom plate.

Optionally, the lower end of the peripheral wall surface of the downcomer is provided with guide holes extending along the circumferential direction of the downcomer, and the guide holes are uniformly distributed along the circumferential direction of the downcomer; the floor drain inner core further comprises:

the arc wedge blocks are fixedly connected to the lower ends of the connecting columns and are uniformly distributed along the circumferential direction of the unlocking sleeve, and the distance from the arc wedge surfaces of the arc wedge blocks to the center of the unlocking sleeve is gradually reduced along the clockwise direction; the arc wedge blocks are positioned in the sewer pipe and connected with the rotating sleeve through connecting bolts, and the connecting bolts penetrate through the guide holes and slide in the guide holes so as to enable the arc wedge blocks to be rotationally connected with the sewer pipe; and

the inner ends of the turning plates are hinged to the lower end of the sewer pipe and are uniformly distributed along the circumferential direction of the sewer pipe, the turning plates are positioned below the rotating sleeve, and the inner ends of the turning plates are provided with extension columns extending to the lower part of the arc-shaped wedge blocks; the extension column is vertically connected to the middle part of the inner end face of the turning plate; in two adjacent overflow structures, a communication opening is formed between the overflow plate of one overflow structure and the rotating side plate of the other overflow structure, and each turning plate is positioned on the lower side of one communication opening.

Optionally, the lower surface of the arc-shaped wedge is provided with a limiting block, and the limiting block is arranged at the start of the arc-shaped wedge in the clockwise direction and extends inwards beyond the inner surface of the arc-shaped wedge.

Optionally, the joint structure further comprises a swivel, the swivel is inserted between the sewer pipe and the rotating sleeve, first mounting holes are uniformly distributed in the rotating sleeve along the circumferential direction of the rotating sleeve, second mounting holes are formed in the swivel, and the connecting bolt penetrates through the first mounting holes, the second mounting holes and the guide hole and is connected to the arc-shaped wedge block.

Optionally, a plurality of water passing ports are uniformly distributed on the lower portion of the downcomer along the circumferential direction of the downcomer, the water passing ports are located above the guide holes, and the water passing ports are communicated with the inner space of the downcomer so that the water passing ports are opened after the floating sleeve rises for a preset distance.

Optionally, the lower end of the downcomer is provided with a vertically extending avoidance groove, the avoidance groove penetrates through the lower end face of the downcomer, each avoidance groove is located between two guide holes, two sides of a lower end opening of each avoidance groove are provided with vertically extending ear plates, a hinge column is arranged between the two ear plates, and the extension column is connected to the end of the turning plate and hinged to the hinge column.

Optionally, the floor drain inner core further comprises a pre-buried box and an upper cover plate, the pre-buried box is arranged in the building ground and connected with the upper end of the floor drain outer barrel, the upper cover plate is installed on the pre-buried box, a connecting hole matched with the sewer pipe is formed in the upper cover plate, and a plurality of water permeable holes are uniformly distributed in the outer side of the connecting hole along the circumferential direction of the connecting hole.

Optionally, the embedded box comprises a connecting cylinder and a fixing plate, the fixing plate is connected to the upper end of the connecting cylinder, a protruding buckle is arranged on the peripheral wall surface of the connecting cylinder, a clamping groove is arranged on the peripheral wall surface of the outer floor drain cylinder, and the connecting cylinder is located inside the outer floor drain cylinder and is connected with the outer floor drain cylinder through the matching of the buckle and the clamping groove; the fixed plate is located above the outer floor drain barrel, and the upper cover plate is installed on the fixed plate.

Optionally, a transition protrusion is arranged on the lower surface of the spiral guide plate, the surface of the transition protrusion is an arc-shaped surface, and the arc-shaped surface is smoothly connected with the lower surface of the spiral guide plate;

the upper end of the sewer pipe is provided with a threaded interface;

the upper surface of turning over the board is provided with the arresting structure, the arresting structure includes a plurality of archs or a plurality of barb.

The invention discloses an assembling method for an assembled anti-reverse floor drain, which comprises the following steps:

(1) installing the outer floor drain cylinder on the building ground, and installing the embedded box at the upper end of the outer floor drain cylinder;

(2) inserting the unlocking sleeve into the interior of the downcomer;

(3) connecting the arc wedge block to the lower end of the unlocking sleeve, enabling the arc wedge block to be positioned in the sewer pipe, and sleeving the rotating sleeve at the lower end of the sewer pipe;

(4) inserting the swivel ring between the downcomer and the rotating sleeve, and connecting the connecting bolt with the arc wedge block through the first mounting hole, the second mounting hole and the guide hole;

(5) the turning plate is hinged at the lower end of the sewer pipe;

(6) placing the floating sleeve above the rotating sleeve and sleeving the floating sleeve on the sewer pipe;

(7) after the components are installed, the sewer pipe is fixedly installed on the upper cover plate, the sewer pipe is placed into the outer floor drain cylinder, and meanwhile the sliding block is placed in the sliding groove until the upper cover plate is attached to the fixing plate;

(8) and an external large-flow drainage device is connected at the threaded interface.

The invention has the beneficial effects that: according to the assembled anti-reverse floor drain, the overflow structure is arranged on the rotating sleeve, the spiral guide plate is arranged on the floating sleeve, the spiral guide plate and the overflow structure are driven to move in a mutually matched mode through the up-and-down movement of the floating sleeve and the rotating movement of the rotating sleeve, the size of the drainage port can be adjusted according to the size of the water displacement, and large-flow ground water can be discharged conveniently in time.

The assembled anti-reverse-water floor drain is provided with the unlocking sleeve, meanwhile, the chute is formed in the inner peripheral wall surface of the outer floor drain cylinder, when the inner floor drain core is disassembled, the unlocking sleeve is rotated clockwise, the unlocking sleeve drives the rotating sleeve to rotate, accumulated water in the water seal groove is discharged through the chute when the water seal groove passes through the chute, then the inner floor drain core is pulled upwards, the disassembly is convenient, and the phenomenon that the indoor ground environment is influenced because the accumulated water in the water seal groove is discharged is avoided.

The rotating sleeve is provided with an arc-shaped wedge block, the lower end of the sewer pipe is hinged with a turning plate, the turning plate is impacted by water flow to further press the arc-shaped wedge block, and the arc-shaped wedge block is driven to rotate and drives the rotating sleeve to rotate. After the spiral guide plate exits the water seal tank, the rotating sleeve rotates rapidly under the impact force of water flow and the action force of the arc wedge block, so that the spiral guide plate rapidly rises to the limit position, the water outlet is increased to the maximum, and the large-flow water flow rapidly flows away.

The lower end face of the arc-shaped wedge block is provided with a limiting block, the limiting block is located at the thinnest position of the arc-shaped wedge block, when the inner core of the floor drain is disassembled, the rotating sleeve and the arc-shaped wedge block rotate simultaneously, the arc-shaped wedge block compresses the extending column to enable the turning plate to turn downwards, when the arc-shaped wedge block rotates to the extending column to be contacted with the limiting block, the limiting block guides the extending column to move downwards suddenly, the turning plate turns upwards until the turning plate is located at a horizontal position, sundries on the turning plate are extruded between the turning plate and the water seal bottom plate and are pulled out of the outer barrel of the floor drain along with the turning plate, the phenomenon that the floor drain is disassembled when the turning plate is located at a downward turning state is avoided, and rubbish falls into a room and influences the indoor ground environment.

According to the invention, the turning plate is hinged at the lower end of the sewer pipe, a large flow of water flows through the sewer pipe, and when water reversely flows back due to untimely discharge, the water reversely flowing back can upwards press the turning plate, and the turning plate upwards turns over to plug the communication port, so that the effect of preventing water from flowing back is achieved.

According to the invention, the sewer pipe capable of being connected with external large-flow drainage equipment is arranged in the inner leakage inner core, meanwhile, the secondary sewer pipe is provided with the water passing port, the water passing port is opened when the ground drainage water flow is large, the ground water flow can be discharged through the sewer pipe, the sewer pipe does not occupy a drainage channel in the floor leakage, and the drainage of the external equipment is met, and meanwhile, the discharge of the ground large-flow water flow can be further accelerated.

Drawings

In order to illustrate more clearly the embodiments of the invention or the solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained by those skilled in the art without inventive exercise from these drawings, it being understood that these drawings are not necessarily drawn to scale.

FIG. 1 is a sectional view showing the overall structure of an assembled type anti-reverse floor drain of the present invention;

FIG. 2 is an exploded view of the inner core of the floor drain of the present invention;

FIG. 3 is a schematic view of the structure of the downcomer of the present invention;

FIG. 4 is a schematic structural view of the floor drain inner core of the present invention when working or not working at a small flow rate;

FIG. 5 is a bottom view of FIG. 4;

FIG. 6 is a schematic structural diagram of the inner core of the floor drain in a disassembled state and in a large flow working state;

FIG. 7 is a bottom view of FIG. 6;

FIG. 8 is a schematic view of the assembly of the unlocking sleeve, the arc wedge and the swivel in the present invention;

FIG. 9 is a cross-sectional view of FIG. 8;

fig. 10 is a partial enlarged view of a portion a in fig. 9.

In the figure: 1. an inner floor drain core; 11. embedding a box; 111. buckling; 12. an upper cover plate; 21. a sewer pipe; 211. a threaded interface; 212. a water outlet; 214. a hinged column; 215. a guide hole; 216. an avoidance groove; 217. an ear plate; 31. a floating sleeve; 311. a spiral deflector; 312. a limiting plate; 314. a slider; 41. rotating the sleeve; 411. a water seal bottom plate; 412. rotating the side plate; 413. an overflow plate; 416. a first mounting hole; 51. turning over a plate; 511. extending the column; 6. a floor drain outer cylinder; 61. a card slot; 62. a chute; 71. unlocking the sleeve; 711. a torsion ring; 712. connecting columns; 713. rotating the ring; 714. an arc wedge block; 715. a limiting block; 716. a second mounting hole; 717. a first guide ramp; 718. a second guide ramp.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 10, the assembled anti-reverse floor drain comprises a floor drain outer cylinder 6 and a floor drain inner core 1, wherein the floor drain outer cylinder 6 is vertically arranged in a ground building and is communicated with an indoor drain pipe, and a plurality of vertically extending sliding grooves 62 are uniformly distributed on the inner peripheral wall surface of the floor drain outer cylinder 6 along the circumferential direction. The floor drain inner core 1 comprises a downcomer 21, a floating sleeve 31, a rotating sleeve 41 and an unlocking sleeve 71, wherein the lower end of the downcomer 21 extends into the floor drain outer cylinder 6 and is detachably and fixedly connected with the floor drain outer cylinder 6.

The floating sleeve 31 is sleeved outside the sewer pipe 21 in a sliding mode, a plurality of spiral guide plates 311 are uniformly distributed on the peripheral wall surface of the floating sleeve 31 along the circumferential direction of the floating sleeve, the spiral guide plates 311 spirally rise along the anticlockwise direction, the upper end of each spiral guide plate 311 is connected with a limiting plate 312 extending downwards, the limiting plates 312 are vertically arranged, one ends, far away from the floating sleeve 31, of the spiral guide plates 311 and the limiting plates 312 are in contact with the inner peripheral wall surface of the floor drain outer barrel 6, and a sliding block 314 matched with the sliding groove 62 is arranged on one side, far away from the floating sleeve 31.

The rotating sleeve 41 is rotatably connected to the lower end of the sewer pipe 21, a plurality of overflow structures are uniformly distributed on the outer peripheral wall surface of the rotating sleeve 41, each overflow structure comprises an overflow plate 413 and a rotating side plate 412 which are sequentially arranged along the clockwise direction, and a water seal bottom plate 411 which is connected with the lower end of the overflow plate 413 and the lower end of the rotating side plate 412 so as to form a water seal groove, the height of the rotating side plate 412 is higher than that of the overflow plate 413, and one ends of the rotating side plate 412, the overflow plate 413 and the water seal bottom plate 411, which are far away from the rotating sleeve 41, are in contact with the inner peripheral wall surface of the floor drain outer cylinder 6.

The lower end face of the floating sleeve 31 contacts with the upper end face of the rotating sleeve 41, the outer diameter of the floating sleeve 31 is larger than that of the rotating sleeve 41, each spiral guide plate 311 is positioned between two rotating side plates 412, the upper end of the rotating side plate 412 positioned on the counterclockwise direction side of the spiral guide plate 311 is positioned between the spiral guide plate 311 and the limiting plate 312 connected with the spiral guide plate 311, the lower end of the spiral guide plate 311 is inserted into a water seal groove between the two rotating side plates 412, a gap is formed between the lower end of the spiral guide plate 311 and the upper surface of the water seal bottom plate 411, and a gap is formed between the lower spiral face of the spiral guide plate 311 and the overflow plate 413.

The unlocking sleeve 71 is inserted in the sewer pipe 21 and rotates along the rotating sleeve 41, the unlocking sleeve 71 comprises a twisted ring 711 and connecting columns 712, the connecting columns 712 are connected to the lower end of the twisted ring 711 and are uniformly distributed along the circumferential direction of the twisted ring 711, the twisted ring 712 protrudes out of the upper end face of the sewer pipe 21, the lower end of the connecting column 712 is connected to the rotating sleeve 41, and the lower end of the sliding chute 62 is located below the water seal bottom plate 411.

In this embodiment, as shown in fig. 4, when the floor drain is not in operation or a small amount of floor water passes through between the downcomer 21 and the outer drain cylinder 6, the water flows through the spiral guide plate 311 into the water seal groove and flows from the gap between the spiral guide plate 311 and the water seal bottom plate 411 to the lower end of the outer drain cylinder 6 over the upper end of the overflow plate 413, and the gap between the spiral guide plate 311 and the water seal bottom plate 411 forms a water seal to seal the floor drain and isolate odor. The water in the water seal tank which has the sealing function is not sucked away by the indoor drain pipe due to the siphoning effect because of the functions of the water seal bottom plate 411, the overflow plate 413 and the rotating side plate 412, and the sealing reliability of the overflow structure is improved.

As shown in fig. 6, when a large amount of ground water passes between the downcomer 21 and the outer pipe of the floor drain, the overflow plate 413 does not drain water so much that the water flow is gathered between the spiral guide plate 311 and the rotating side plate 412, when the water flow is gathered to a certain degree, the acting force of the water on the lower surface of the floating sleeve 31 is increased, the floating sleeve 31 moves upwards along the outer floor drain cylinder 6 under the action of the water and drives the spiral guide plate 311 to move upwards, meanwhile, water flow flows along the spiral guide plate 311 to impact the rotating side plate 412, the rotating side plate 412 rotates anticlockwise along the sewer pipe 21 through the rotating sleeve 41 under the impact action of the water flow, the rotating side plate 412 rotates to further push the spiral guide plate 311 to move upwards, the spiral guide plate 311 rises and exits the water seal tank, the spiral guide plate 311 and the rotating side plate 412 are far away from each other, and a sewer opening on the lower side of the spiral guide plate 311 can be increased to accelerate the drainage speed.

In this embodiment, when the floor drain inner core 1 needs to be disassembled, the torsion ring 711 is rotated clockwise first, the torsion ring 711 drives the connecting column 712 to further drive the rotating sleeve 41 to rotate counterclockwise, in the counterclockwise rotating process of the rotating sleeve 41, the rotating side plate 412 pushes the spiral guide plate 311 to ascend, and meanwhile, the water seal groove passes through the sliding groove 62 to cause accumulated water in the water seal groove to flow out along the sliding groove 62. The torsion ring 71 is lifted upwards to disassemble the floor drain inner core 1, and accumulated water in the water seal groove is discharged from the sliding groove 62, so that the problem that when the floor drain inner core 1 is pulled upwards, sewage in the water seal groove is brought out, and the cleanness of the ground environment of a building is influenced can be avoided.

In the present embodiment, the lower end of the outer peripheral wall surface of the downcomer 21 is provided with guide holes 215 extending in the circumferential direction of the downcomer 21, and the guide holes 215 are uniformly distributed in the circumferential direction of the downcomer 21. The floor drain core 1 further comprises a plurality of arc-shaped wedges 714 and a plurality of turning plates 51.

The arc-shaped wedges 714 are fixedly connected to the lower end of the connecting column 712 and are uniformly distributed along the circumferential direction of the unlocking sleeve 71, and the distance from the arc-shaped wedge surface of the arc-shaped wedges 714 to the center of the unlocking sleeve 71 is gradually reduced along the clockwise direction; arc-shaped wedges 714 are located inside downcomer 21 and are connected to rotating sleeve 41 by connecting bolts (not shown) that pass through guide holes 215 and slide within guide holes 215 to rotatably connect arc-shaped wedges 714 to downcomer 21.

The inner ends of the turning plates 51 are hinged to the lower end of the sewer pipe 21 and are uniformly distributed along the circumferential direction of the sewer pipe 21, the turning plates 51 are located below the rotating sleeve 41, and the inner ends of the turning plates 51 are provided with extension columns 511 extending to the lower portion of the arc-shaped wedge blocks 714, so that when water flow impacts the turning plates 51, the turning plates 51 turn downwards, the inner ends of the extension columns 511 upwards press the lower edges of the arc-shaped wedge surfaces, the arc-shaped wedge blocks 714 rotate clockwise, and the rotating sleeve 41 is driven to rotate.

The extension column 511 is vertically connected to the middle of the inner end face of the flap 51. In two adjacent overflow structures, a communication opening is formed between the overflow plate 413 of one overflow structure and the rotating side plate 412 of the other overflow structure, and each turning plate 51 is positioned at the lower side of one communication opening. Specifically, the turning plate 51 includes an upper surface, a lower surface and a peripheral wall surface, the peripheral wall surface includes an arc surface, two first vertical planes and a second vertical plane, outer ends of the two first vertical planes are respectively connected with two ends of the arc surface, inner ends of the two first vertical planes are close to each other and are respectively connected with two ends of the second vertical plane, the arc surface and the floor drain outer cylinder 6 are coaxially arranged, and the diameter of the arc surface is the same as the inner diameter of the floor drain outer cylinder 6. The inner end surface (i.e., the second vertical plane) of the flap 51 is a vertical surface, so that the flap 51 is prevented from interfering with the downcomer 21 when turned downward.

In the embodiment, when the floor drain does not work or small-flow ground water passes through between the sewer pipe 21 and the floor drain outer cylinder 6, the turning plate 51 is in a downward-inclined posture under the blocking of the arc-shaped wedge block 714. When the ground water flow is increased to cause the spiral guide plate 311 to exit the water seal tank, the water flow flowing down through the spiral guide plate 311 impacts the turning plate 51, the turning plate 51 turns downwards under the impact force of the water flow, so that the inner end of the extension column 511 upwards tilts to press the lower edge of the arc wedge surface, the lower edge of the arc wedge surface is pressed to cause the arc wedge block 714 to clockwise rotate along the sewer pipe 21 through the matching of the connecting bolt and the guide hole 215, and the rotating sleeve 41 is driven to rotate. The rotating sleeve 41 is rapidly rotated under the impact action of water flow and the pressing action of the turning plate 51 on the arc-shaped wedge 714, so that the spiral guide plate 311 rapidly moves to the upper end limit position, the water outlet is increased to the maximum, and large-flow water flows away rapidly through the water outlet. After the water flow is reduced to a certain degree or the water is drained, the floating sleeve 31 drives the spiral guide plate 311 to descend, the spiral guide plate 311 descends to press the rotary side plate 412, the rotary side plate 412 rotates anticlockwise along the sewer pipe 21 through the rotary sleeve 41 to return to the original position, and meanwhile, the turning plate 51 returns to the original position under the pressing of the arc-shaped wedge blocks 714.

When large water flows pass through the interior of the lower water pipe 21 and water is discharged too soon due to excessive water flow, the water flows back reversely, the water flowing back reversely upwards presses the turning plate 51, the turning plate 51 turns upwards, the upper surface of the turning plate 51 is in contact with the lower surfaces of the two adjacent water seal bottom plates 411, and the communicating port is blocked to block the water flowing back reversely from flowing out of the floor drain, so that the effect of preventing water from flowing back is achieved, and the indoor flooding is prevented. If slow water return occurs in the downcomer 21 or the downcomer 21 overflows upwards, the flap 51 will turn upwards under the buoyancy of water to block the communication opening.

In this embodiment, the lower surface of the arc-shaped wedge 714 is provided with a stop block 715, the stop block 715 is disposed at the beginning of the arc-shaped wedge 714 in the clockwise direction and extends inward beyond the inner surface of the arc-shaped wedge 714, i.e., the stop block 715 is located at the minimum distance from the arc-shaped wedge surface to the center of the unlocking sleeve 71, i.e., the stop block 715 is located at the thinnest position of the arc-shaped wedge 714, and the stop block 715 has a first guide inclined surface 717 and a second guide inclined surface 718 for guiding the elongate column 511 to move toward the lower surface thereof.

In this embodiment, when the inner floor drain core 1 is disassembled, the torsion ring 713 rotates clockwise to drive the arc-shaped wedge 714 and the rotating sleeve 41 to rotate clockwise, the arc-shaped wedge 714 rotates to press the extension column 511 to turn over the outer end of the turning plate 51 downwards, when the arc-shaped wedge 714 moves until the extension column 511 contacts with the limiting block 715, the limiting block 51 guides the extension column 511 to move downwards suddenly, the extension column 511 moves downwards to drive the outer end of the turning plate 51 to turn over upwards, when the extension column 511 finally moves downwards until the upper surface of the extension column 511 contacts with the lower surface of the limiting block 715, the turning plate 51 turns over to the horizontal position, the rotating sleeve 41 rotates until the water seal groove is positioned right above the turning plate 51, so as to squeeze sundries blocked by the turning plate between the turning plate 51 and the water seal bottom plate 411, and further, when the inner floor drain core 1 is lifted upwards, the sundries on the turning plate 51 are smoothly taken out, and the sundries caused by disassembling the inner floor drain core 1 by the turning plate 51 in the downward-over state are prevented from falling into the chamber, affecting the indoor ground environment.

In this embodiment, the assembled anti-reverse floor drain of the present invention further includes a swivel 713, the swivel 713 is inserted between the downcomer 21 and the rotating sleeve 41, the rotating sleeve 41 is uniformly distributed with first mounting holes 416 along the circumferential direction thereof, the swivel 713 is provided with second mounting holes 716, and the connecting bolt passes through the first mounting holes 416, the second mounting holes 716 and the guiding hole 215 and is connected to the arc-shaped wedge 714.

In this embodiment, a plurality of water passing ports 212 are uniformly distributed on the lower portion of the downcomer 21 along the circumferential direction thereof, the water passing ports 212 are located above the guide hole 215, and the water passing ports 212 communicate with the inner space of the downcomer 21 so that the water passing ports 212 are opened after the floating sleeve 31 rises a predetermined distance. After the water passing port 212 is opened, large-flow water flow can be discharged through the water passing port 212, so that the water passing port 212 does not occupy a drainage channel when large-flow water flow exists on the ground, the drainage speed is accelerated, and the situation that the water flow does not submerge the indoor ground in time is avoided.

In this embodiment, the lower end of the downcomer 21 is provided with an avoidance groove 216 extending vertically, the avoidance groove 216 penetrates through the lower end face of the downcomer 21, each avoidance groove 216 is located between two guide holes 215, two sides of the lower end opening of each avoidance groove 216 are provided with ear plates 217 extending vertically, an articulated column 214 is arranged between the two ear plates 217, an elongated column 511 is connected to the end of the turning plate 51 and provided with a through hole, and the elongated column 511 is articulated with the downcomer 21 through the matching of the articulated column 214 and the through hole.

In this embodiment, the floor drain inner core 1 further includes a pre-buried box 11 and an upper cover plate 12, and the pre-buried box 11 is disposed in the building ground and connected to the upper end of the floor drain outer cylinder 6. The upper cover plate 12 is installed on the embedded box 11, the upper cover plate 12 is provided with a connecting hole matched with the sewer pipe 21, the connecting hole is vertically arranged in the center of the upper cover plate 12, a plurality of water permeable holes are evenly distributed on the outer side of the connecting hole along the circumferential direction of the connecting hole, water of the large-flow drainage equipment is discharged into the floor drain outer barrel 6 from the connecting hole, and ground water is discharged into the floor drain outer barrel 6 from the water permeable holes.

The embedded box 11 comprises a connecting cylinder and a fixing plate, the fixing plate is connected to the upper end of the connecting cylinder, the peripheral wall surface of the connecting cylinder is provided with a protruding buckle 111, the peripheral wall surface of the floor drain outer cylinder 6 is provided with a clamping groove 61, and the connecting cylinder is positioned inside the floor drain outer cylinder 6 and is connected with the clamping groove 61 through the matching of the buckle 111 and the clamping groove 61; the fixed plate is positioned above the floor drain outer cylinder 6, and the upper cover plate 12 is arranged on the fixed plate.

In this embodiment, a transition protrusion is disposed on the lower surface of the spiral guide plate 311, the surface of the transition protrusion is an arc-shaped surface, and the arc-shaped surface is smoothly connected to the lower surface of the spiral guide plate 311 to guide the rotation of the rotating side plate 412. The upper end of the downcomer 21 is provided with a nipple 211. The threaded interface 211 is used to connect external high flow drainage devices. The upper surface of the turning plate 51 is provided with a blocking structure, the blocking structure comprises a plurality of bulges, and the bulges can be cylindrical bulges or conical bulges; in other embodiments, the arresting structure may be provided as a plurality of barbs; the blocking structure is arranged to further block sundries such as hair and the like passing through the floor drain inner core 1 so as to prevent blockage.

The invention discloses an assembly method of a quick-discharging type anti-reverse floor drain, which comprises the following steps:

(1) installing the outer floor drain cylinder 6 on the building ground, and installing the embedded box 11 at the upper end of the outer floor drain cylinder 6;

(2) inserting the unlocking sleeve 71 into the interior of the downcomer 21;

(3) the arc-shaped wedge block 714 is connected to the lower end of the unlocking sleeve 71 and is positioned in the downcomer 21, and the rotating sleeve 41 is sleeved on the lower end of the downcomer 21;

(4) inserting the swivel 713 between the downcomer 21 and the rotating sleeve 41 and connecting the connecting bolts through the first mounting holes 416, the second mounting holes 716 and the guide holes 215 and with the arc-shaped wedges 714;

(5) the turning plate 51 is hinged at the lower end of the downcomer 21;

(6) placing the floating sleeve 31 above the rotating sleeve 41 and sleeving the floating sleeve on the sewer pipe 21;

(7) after the components are installed, the sewer pipe 21 is fixedly installed on the upper cover plate 12, the sewer pipe 21 is placed in the floor drain outer cylinder 6, and meanwhile, the sliding block 314 is placed in the sliding groove 62 until the upper cover plate 12 is attached to the embedded box 11;

(8) an external high flow drain is connected at the nipple 211.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides an assembled prevents anti-water floor drain which characterized in that: the floor drain outer barrel is vertically arranged in a ground building and is communicated with an indoor drain pipe, and a plurality of vertically extending sliding grooves are uniformly distributed on the inner peripheral wall surface of the floor drain outer barrel along the circumferential direction; the floor drain inner core includes:

the lower end of the sewer pipe extends into the outer floor drain cylinder and is connected with the outer floor drain cylinder;

the floating sleeve is sleeved on the sewer pipe in a sliding manner, a plurality of spiral guide plates are uniformly distributed on the peripheral wall surface of the floating sleeve along the circumferential direction of the floating sleeve, the spiral guide plates spirally rise along the anticlockwise direction, the upper end of each spiral guide plate is connected with a limiting plate extending downwards, and one side, away from the floating sleeve, of each spiral guide plate is provided with a sliding block matched with the sliding groove;

the water seal device comprises a rotating sleeve, a water inlet pipe, a water outlet pipe, a water seal side plate, a water seal bottom plate and a water seal groove, wherein the rotating sleeve is sleeved at the lower end of the sewer pipe, a plurality of overflow structures are uniformly distributed on the peripheral wall surface of the rotating sleeve, each overflow structure comprises an overflow plate and a rotating side plate which are sequentially arranged along the clockwise direction, the water seal bottom plate is connected with the lower end of the overflow plate and the lower end of the rotating side plate to form the water seal groove, and the height of the rotating side plate is higher than that of the overflow plate; the lower end face of the floating sleeve is in contact with the upper end face of the rotating sleeve, the outer diameter of the floating sleeve is larger than that of the rotating sleeve, each spiral guide plate is positioned between two rotating side plates, the upper end of the rotating side plate positioned on the anticlockwise side of the spiral guide plate is positioned between the spiral guide plate and a limiting plate connected with the spiral guide plate, and the lower end of the spiral guide plate is inserted into a water seal groove between the two rotating side plates; and

the unlocking sleeve is inserted into the interior of the sewer pipe and rotates along the rotating sleeve, the unlocking sleeve comprises a torsion ring and connecting columns, the connecting columns are connected to the lower end of the torsion ring and are uniformly distributed along the circumferential direction of the torsion ring, and the torsion ring protrudes out of the upper end face of the sewer pipe; the lower end of the connecting column is connected with the rotating sleeve, and the lower end of the sliding chute is positioned below the water seal bottom plate;

the lower end of the peripheral wall surface of the downcomer is provided with guide holes extending along the circumferential direction of the downcomer, and the guide holes are uniformly distributed along the circumferential direction of the downcomer; the floor drain inner core further comprises:

the arc wedge blocks are fixedly connected to the lower ends of the connecting columns and are uniformly distributed along the circumferential direction of the unlocking sleeve, and the distance from the arc wedge surfaces of the arc wedge blocks to the center of the unlocking sleeve is gradually reduced along the clockwise direction; the arc wedge blocks are positioned in the sewer pipe and connected with the rotating sleeve through connecting bolts, and the connecting bolts penetrate through the guide holes and slide in the guide holes so as to enable the arc wedge blocks to be rotationally connected with the sewer pipe; and

the inner ends of the turning plates are hinged to the lower end of the sewer pipe and are uniformly distributed along the circumferential direction of the sewer pipe, the turning plates are positioned below the rotating sleeve, and the inner ends of the turning plates are provided with extension columns extending to the lower part of the arc-shaped wedge blocks; the extension column is vertically connected to the middle part of the inner end face of the turning plate; in two adjacent overflow structures, a communication opening is formed between the overflow plate of one overflow structure and the rotating side plate of the other overflow structure, and each turning plate is positioned at the lower side of one communication opening;

the lower part of the downcomer is uniformly provided with a plurality of water passing ports along the circumferential direction, the water passing ports are positioned above the guide holes and communicated with the inner space of the downcomer, so that the water passing ports are opened after the floating sleeve rises for a preset distance.

2. The fabricated anti-drainback floor drain of claim 1, wherein: the lower surface of the arc-shaped wedge block is provided with a limiting block, and the limiting block is arranged at the starting position of the arc-shaped wedge block in the clockwise direction and inwards exceeds the inner surface of the arc-shaped wedge block.

3. The fabricated anti-drainback floor drain of claim 1, wherein: the rotary ring is inserted between the sewer pipe and the rotary sleeve, first mounting holes are uniformly distributed in the rotary sleeve along the circumferential direction of the rotary sleeve, second mounting holes are formed in the rotary ring, and the connecting bolt penetrates through the first mounting holes, the second mounting holes and the guide hole and is connected to the arc-shaped wedge block.

4. The fabricated anti-drainback floor drain of claim 1, wherein: the lower tip of downcomer is equipped with the groove of dodging of vertical extension, it runs through to dodge the groove the lower terminal surface of downcomer, every dodge the groove and be located two between the guiding hole, every dodge the lower extreme open-ended both sides in groove and all be provided with the otic placode of vertical extension, be provided with articulated post between two otic placodes, the extension post connect in the tip of turning over the board with articulated post is articulated mutually.

5. The fabricated anti-drainback floor drain of claim 1, wherein: the floor drain inner core further comprises a pre-buried box and an upper cover plate, the pre-buried box is arranged in the building ground and connected with the upper end of the floor drain outer barrel, the upper cover plate is installed on the pre-buried box, a connecting hole matched with the sewer pipe is formed in the upper cover plate, and a plurality of water permeable holes are evenly distributed in the outer side of the connecting hole along the circumferential direction of the connecting hole.

6. A fabricated anti-drainback floor drain as claimed in claim 5, wherein: the embedded box comprises a connecting cylinder and a fixing plate, the fixing plate is connected to the upper end of the connecting cylinder, a protruding buckle is arranged on the peripheral wall surface of the connecting cylinder, a clamping groove is arranged on the peripheral wall surface of the outer floor drain cylinder, and the connecting cylinder is positioned in the outer floor drain cylinder and is connected with the outer floor drain cylinder through the matching of the buckle and the clamping groove; the fixed plate is located above the outer floor drain barrel, and the upper cover plate is installed on the fixed plate.

7. The fabricated anti-drainback floor drain of claim 1, wherein: the lower surface of the spiral guide plate is provided with a transition bulge, the surface of the transition bulge is an arc-shaped surface, and the arc-shaped surface is smoothly connected with the lower surface of the spiral guide plate;

the upper end of the sewer pipe is provided with a threaded interface;

the upper surface of turning over the board is provided with the arresting structure, the arresting structure includes a plurality of archs or a plurality of barb.

8. A fitting method for a fitted anti-drainback floor drain according to any one of claims 1 to 7, characterized in that: the method comprises the following steps:

(1) installing the outer floor drain cylinder on the building ground, and installing an embedded box at the upper end of the outer floor drain cylinder;

(2) inserting the unlocking sleeve into the interior of the downcomer;

(3) connecting the arc wedge block to the lower end of the unlocking sleeve, enabling the arc wedge block to be positioned in the sewer pipe, and sleeving the rotating sleeve at the lower end of the sewer pipe;

(4) inserting a swivel between the downcomer and the rotating sleeve, and connecting the connecting bolt with the arc wedge block through the first mounting hole, the second mounting hole and the guide hole;

(5) the turning plate is hinged at the lower end of the sewer pipe;

(6) placing the floating sleeve above the rotating sleeve and sleeving the floating sleeve on the sewer pipe;

(7) after the components are installed, the sewer pipe is fixedly installed on the upper cover plate, the sewer pipe is placed into the outer floor drain cylinder, and meanwhile the sliding block is placed in the sliding groove until the upper cover plate is attached to the fixed plate;

(8) and an external large-flow drainage device is connected at the threaded interface.

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