CN214738604U - Flap type drain valve and floor drain - Google Patents

Abstract

The utility model discloses a flap drain valve and a floor drain, which comprises a valve body, and an anti-backflow mechanism and a filtering mechanism which are arranged on the valve body, wherein the valve body is provided with an upper opening, a lower opening and a valve cavity which is communicated with the upper opening and the lower opening; the anti-backflow mechanism comprises a water sealing mechanism and a positioning assembly, the positioning assembly is arranged on the lower opening, and the water sealing mechanism is arranged on the positioning assembly so as to enable the water sealing mechanism to seal or open the lower opening; the filter mechanism comprises a filter screen and a lock catch assembly, the lock catch assembly is arranged on the upper opening, the filter screen is arranged on the upper opening through the lock catch assembly so that the filter screen covers the upper opening, and the filter screen is formed by protruding upwards from the upper opening. Adopt the utility model discloses, can the backflow prevention, can prolong the clean cycle of floor drain again, simple structure.

Description

Flap type drain valve and floor drain

Technical Field

The utility model relates to a drain valve field, in particular to board-like drain valve turns over and be equipped with this floor drain that turns over board-like drain valve.

Background

The existing floor drain is easy to cause sewage backflow, the peculiar smell of the sewage is diffused indoors through the floor drain, and pests such as cockroaches and the like can enter indoors through the floor drain, so that great hidden danger is caused to indoor sanitation. In addition, the filter screen of the existing drain valve is parallel and level with the upper opening of the drain valve, and the filter screen is easy to cover and shield waste such as garbage, hair and the like entering the floor drain quickly, so that the floor drain is cleaned frequently, and the drainage effect of the floor drain is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a turn-over plate drain valve is provided, can the anti-return, can prolong the clean cycle of floor drain again, simple structure.

The utility model aims to solve the technical problem still provide a floor drain with this board-like drain valve turns over, can the backflow prevention, can prolong the clean cycle of floor drain again, simple structure.

In order to solve the technical problem, the utility model provides a flap drain valve, which comprises a valve body, an anti-backflow mechanism and a filtering mechanism, wherein the anti-backflow mechanism and the filtering mechanism are arranged on the valve body;

the anti-backflow mechanism comprises a water sealing mechanism and a positioning assembly, the positioning assembly is arranged on the lower opening, and the water sealing mechanism is arranged on the positioning assembly so as to enable the water sealing mechanism to seal or open the lower opening;

the filter mechanism comprises a filter screen and a lock catch assembly, the lock catch assembly is arranged on the upper opening, the filter screen is arranged on the upper opening through the lock catch assembly so that the filter screen covers the upper opening, and the filter screen is formed by protruding upwards from the upper opening.

As an improvement of the scheme, the lock catch assembly comprises clamping pins arranged on two sides of the bottom of the filter screen and a lock catch piece arranged on the upper opening, and the clamping pins are clamped on the lock catch piece so that the filter screen is fixedly arranged on the upper opening.

As an improvement of the scheme, the number of the bayonet locks is at least two, and the bayonet locks are symmetrically arranged at two sides of the bottom of the filter screen; the quantity of lock catch spare is at least two, and central symmetry sets up on the open-ended terminal surface.

As the improvement of above-mentioned scheme, the longitudinal section of filter screen is "II" type, the shape of hasp piece is "L" type of falling.

As an improvement of the scheme, the positioning assembly comprises a positioning block which is arranged on the outer side wall of the lower opening in a relative mode, and the positioning block is provided with a pin hole.

As an improvement of the above scheme, the positioning block is further provided with a guide groove, and the guide groove extends along the radial direction of the pin hole, so that the pin hole is formed in the bottom wall of the guide groove.

As an improvement of the scheme, the water sealing mechanism comprises a rotating shaft, a weight block and a turning plate, wherein the weight block and the turning plate are respectively arranged on two sides of the rotating shaft, the weight of the weight block is larger than the weight of the turning plate, the turning plate can cover or open the lower opening, the two ends of the rotating shaft are provided with bolts, and the bolts are inserted into the pin holes so that the water sealing mechanism can rotate around the rotating shaft.

As an improvement of the above scheme, a first sealing ring is arranged on the lower opening, and the turnover plate is connected with the lower opening through the first sealing ring;

and a second sealing ring is sleeved outside the valve body.

Correspondingly, the utility model also provides a floor drain, include the floor drain body and locate the above-mentioned board-like drain valve that turns over on the floor drain body, the floor drain body is equipped with down the water cavity, lower water cavity bottom is equipped with the installing port, the drain valve passes through the installing port and installs on the floor drain body, the intracavity is located down to upper shed and filter screen.

As an improvement of the scheme, the valve body is arranged on the mounting opening in a penetrating mode and is in threaded connection with the floor drain body;

and a second sealing ring is sleeved outside the valve body so as to enable the valve body to be connected with the mounting opening in a sealing manner.

Implement the utility model discloses, following beneficial effect has:

the utility model discloses a board-like drain valve of turning over is equipped with anti-return mechanism on the under shed of valve body, and anti-return mechanism utilizes lever principle, closes the under shed through turning over the board lid, can prevent that sewage in the sewer from flowing back indoor, also can prevent that the peculiar smell in the sewer from diffusing indoor to and prevent that pests such as cockroaches from getting into indoorly through the floor drain, guarantee indoor sanitation and hygiene. When a certain amount of water is accumulated in the valve cavity of the valve body, the weight of the water is greater than that of the weighting block, the turning block can be pushed open, and sewage flows out of the valve cavity and enters a sewer, so that the aim of draining is fulfilled. When the sewage is drained away, the turning plate covers the lower opening again under the gravity action of the weighting block.

Furthermore, the utility model discloses still be equipped with filtering mechanism on the upper shed of valve body, the filter screen lid closes the upper shed, and the filter screen is upwards protrusion formation from the upper shed, and the longitudinal section of filter screen is "II" type, filter screen protrusion upper shed promptly. The general sewage can flow into the lower water cavity of floor drain from the periphery of floor drain, and the sewage entrains the waste matter and can gather the rivers passageway of storage between filter screen and water passing intracavity wall, is difficult to stop up the filter screen completely, so, sewage still can flow into in the drain valve through the filter screen. Further, the upper surface of the filter screen is not easily clogged with the waste, and therefore, the waste is difficult to completely cover and shield the filter screen, thereby affecting drainage. When the wastes are accumulated to a certain height, the periphery of the filter screen can be completely blocked, so that the drainage speed is greatly reduced, and the floor drain needs to be cleaned to remove the wastes. The utility model discloses a filter screen structure compares with current plane formula filter screen, can prolong the clean cycle of floor drain effectively, even the interior accumulated waste matter of floor drain also can not be totally with filter screen blocking, guarantees the drainage function of drain valve.

Drawings

Fig. 1 is a schematic structural view of a flap type drain valve according to the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a cross-sectional view of FIG. 1;

FIG. 4 is a schematic structural view of the water sealing mechanism of FIG. 2;

FIG. 5 is a schematic structural view of the positioning assembly of FIG. 2;

FIG. 6 is a schematic view of the filter screen of FIG. 2;

FIG. 7 is a schematic structural view of the latch assembly of FIG. 2;

fig. 8 is a cross sectional view of the floor drain of the utility model in a state that the lower opening of the drain valve is closed;

figure 9 is the cross-sectional view of the floor drain of the utility model in the open state of the drain valve lower opening.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. Only this statement, the utility model discloses the upper and lower, left and right, preceding, back, inside and outside etc. position words that appear or will appear in the text only use the utility model discloses an attached drawing is the benchmark, and it is not right the utility model discloses a concrete restriction.

Referring to fig. 1-7, the utility model discloses a flap drain valve, including valve body 1 and locate backflow prevention mechanism and the filter mechanism on valve body 1, valve body 1 is equipped with upper shed 12, under shed 13 and link up the valve pocket 11 of upper and lower opening (12, 13).

The backflow prevention mechanism comprises a water sealing mechanism and a positioning assembly, the positioning assembly is arranged on the lower opening 13, and the water sealing mechanism is arranged on the positioning assembly so as to enable the water sealing mechanism to seal or open the lower opening 13.

Specifically, as shown in fig. 5, the positioning assembly includes a positioning block 5 disposed opposite to the outer side wall of the lower opening 13, and the positioning block 5 is provided with a pin hole 51. As shown in fig. 4, the water sealing mechanism includes a rotating shaft 2, and a weight 3 and a turning plate 4 respectively disposed on two sides of the rotating shaft 2, wherein the weight of the weight 3 is greater than the weight of the turning plate 4, the turning plate 4 can cover or open the lower opening 13, two ends of the rotating shaft 2 are provided with a plug pin 21, and the plug pin 21 is inserted into the pin hole 51, so that the water sealing mechanism can rotate around the rotating shaft 2. The water sealing mechanism is arranged on the lower opening of the valve body through the positioning assembly, and is convenient to install, simple in structure and reliable in connection. The water sealing mechanism utilizes the lever principle, the weight of the weight on one side of the rotating shaft is larger than that of the other side of the rotating shaft, the water sealing mechanism rotates around the rotating shaft under the action of the weight, so that the lower opening of the flap cover is closed, the effect of sealing the lower opening can be achieved, and then, pests such as sewage, peculiar smell, cockroaches and the like of a sewer cannot enter the room through the drain valve. When the sewage in the valve cavity is stored to a certain amount, the turning plate is pushed open by the weight of the sewage overcoming the weight of the weighting block, and the sewage flows out of the valve cavity and enters a sewer, so that the aim of draining is fulfilled. When the sewage is drained away, the turning plate covers the lower opening again under the gravity action of the weighting block.

The utility model discloses a board-like drain valve of turning over is equipped with anti-return mechanism on the under shed of valve body, and anti-return mechanism utilizes lever principle, closes the under shed through turning over the board lid, can prevent that sewage in the sewer from flowing back indoor, also can prevent that the peculiar smell in the sewer from diffusing indoor to and prevent that pests such as cockroaches from getting into indoorly through the floor drain, guarantee indoor sanitation and hygiene. When a certain amount of water is accumulated in the valve cavity of the valve body, the weight of the water is greater than that of the weighting block, the turning block can be pushed open, and sewage flows out of the valve cavity and enters a sewer, so that the aim of draining is fulfilled. When the sewage is drained away, the turning plate covers the lower opening again under the gravity action of the weighting block.

Preferably, the positioning block 5 is further provided with a guide groove 52, and the guide groove 52 extends along the radial direction of the pin hole 51, so that the pin hole 51 is arranged on the bottom wall of the guide groove 52. The positioning block is provided with a guide groove, and the bolt is inserted into the pin hole under the guide of the guide groove, so that the installation is convenient.

Preferably, as shown in fig. 3, a first sealing ring 8 is disposed on the lower opening 13, and the flap 4 is connected to the lower opening 13 through the first sealing ring 8. Specifically, the first sealing ring is attached to the valve body through a secondary plastic process, namely is arranged on the end face of the lower opening, so that the turning plate is connected with the lower opening through the first sealing ring, the sealing effect is achieved, and sewage is prevented from leaking through a gap between the turning plate and the lower opening. Meanwhile, the first sealing ring also plays a role in collision prevention. When the turnover plate is opened under the action of the weighting block, the valve body can be impacted, and the first sealing ring just can play a role in buffering impact.

As shown in fig. 3, the filtering mechanism includes a filtering net 6 and a locking assembly, the locking assembly is disposed on the upper opening 12, the filtering net 6 is mounted on the upper opening 12 through the locking assembly so that the filtering net 6 covers the upper opening 12, and the filtering net 6 is formed by protruding upwards from the upper opening 12.

Preferably, the longitudinal section of the filter screen 6 is "II" type, which effectively prevents the waste such as garbage from completely covering the surface of the filter screen and affecting the drainage effect.

Specifically, as shown in fig. 1, 2, 6 and 7, the locking assembly includes locking pins 61 disposed on two sides of the bottom of the filter screen 6 and a locking member 7 disposed on the upper opening 12, and the locking pins 61 are locked on the locking member 7, so that the filter screen 6 is fixedly mounted on the upper opening 12. The number of the bayonet pins 61 is at least two, and the bayonet pins are symmetrically arranged on two sides of the bottom of the filter screen 6. The number of the locking fasteners 7 is at least two, and the locking fasteners are arranged on the end surface of the upper opening 12 in a central symmetry manner. Preferably, the shape of the locking element 7 is an inverted "L" shape. The bottom of the filter screen 6 is placed on the end face of the upper opening 12, and the bayonet pin 61 is clamped on the locking piece 7 through rotation, so that the filter screen cannot be separated from the valve body. When the filter screen is disassembled, the filter screen is only required to be rotated towards the opposite direction, and the filter can be separated from the valve body. As shown in fig. 1, the filter screen rotates anticlockwise, so that the bayonet lock is clamped on the locking fastener; the filter screen rotates clockwise, and the bayonet lock can be separated from the locking fastener. The installation and the disassembly are convenient, the structure is simple, the operation is simple, and the connection is reliable.

The utility model discloses still be equipped with filtering mechanism on the upper shed of valve body, the filter screen lid closes the upper shed, and the filter screen is upwards protrusion formation from last opening in addition, and the longitudinal section of filter screen is "II" type, filter screen protrusion upper shed promptly. When the drain valve is installed on a floor drain net, general sewage can flow into a lower water cavity of the floor drain from the periphery of the floor drain, the sewage carries wastes to accumulate a water flow channel stored between the filter screen and the inner wall of the water passing cavity, the filter screen is not easy to be completely blocked, and then the sewage can still flow into the drain valve through the filter screen. Further, the upper surface of the filter screen is not easily clogged with the waste, and therefore, the waste is difficult to completely cover and shield the filter screen, thereby affecting drainage. When the wastes are accumulated to a certain height, the periphery of the filter screen can be completely blocked, so that the drainage speed is greatly reduced, and the floor drain needs to be cleaned to remove the wastes. The utility model discloses a filter screen structure compares with current plane formula filter screen, can prolong the clean cycle of floor drain effectively, even the interior accumulated waste matter of floor drain also can not be totally with filter screen blocking, guarantees the drainage function of drain valve.

Preferably, as shown in fig. 1-3, the valve body 1 is externally sleeved with a second sealing ring 9, and the second sealing ring is arranged to seal a gap between the floor drain and the valve body.

Correspondingly, as shown in fig. 8-9, the utility model also discloses a floor drain, include floor drain body 100 and locate the above-mentioned board-turnover drain valve on floor drain body 100, floor drain body 100 is equipped with down water cavity 101, lower water cavity 101 bottom is equipped with installing port 102, the drain valve passes through installing port 102 and installs on floor drain body 100, upper shed 12 and filter screen 6 are located in lower water cavity 101.

The structure of the flap type drain valve is as described above, and is not described in detail herein.

Preferably, the valve body 1 is arranged on the mounting hole 102 in a penetrating manner, and the valve body 1 is in threaded connection with the floor drain body 100. Specifically, the mounting port 102 is provided with an internal thread, the valve body 1 is provided with an external thread, and the valve body 1 is in threaded connection with the mounting port 102, so that the drain valve can be mounted and dismounted conveniently.

A water flow channel is formed between the lower water cavity and the drain valve, and the longitudinal section of the water flow channel is triangular, so that the water flow channel is of a funnel-shaped structure. The sewage carries the wastes to flow into the drainage cavity, flows through the water flow channel, then enters the valve cavity through the filter screen, and finally is discharged from the valve cavity to enter a sewer. Wherein, the waste can be remained at the bottom of the water flow channel, and the sewage is injected into the valve cavity through the filter screen. Because the filter screen has certain height, the wastes can not completely shield the filter screen, the wastes stay at the bottom of the water flow channel, and the sewage can still flow into the valve cavity through the filter screen. When the waste is accumulated to a certain height, the periphery of the filter screen can be completely shielded, but the top of the filter screen is close to the cover screen of the floor drain, so that the filter screen is not shielded or is difficult to be completely shielded, and therefore, the filter screen can still pass water at the moment, but the drainage is slow, and the floor drain needs to be cleaned. It can be seen that, the utility model discloses a filter screen structure compares with current plane formula filter screen, can prolong the clean cycle of floor drain effectively, even the interior accumulated waste matter of floor drain also can not be totally with filter screen blockage, guarantees the drainage function of drain valve.

The water sealing mechanism utilizes the lever principle, the weight of the weight on one side of the rotating shaft is larger than that of the turning plate on the other side of the rotating shaft, and the water sealing mechanism rotates around the rotating shaft under the action of the weight so as to enable the turning plate to cover the lower opening, so that the effect of sealing the lower opening can be achieved, and as shown in figure 8, pests such as sewage, peculiar smell, cockroaches and the like of a sewer cannot enter a room through the drain valve. When the sewage in the valve cavity is stored to a certain amount, the turning plate is pushed away by the weight of the sewage overcoming the weight of the weight, as shown in fig. 9, the sewage flows out of the valve cavity and enters a sewer, and therefore the purpose of draining is achieved. When the sewage is drained away, the turning plate covers the lower opening again under the gravity action of the weighting block.

Preferably, the valve body 1 is externally sleeved with a second sealing ring 9, so that the valve body 1 is hermetically connected with the mounting port 102.

To sum up, the utility model provides a board-like drain valve and floor drain turn over can the anti-return, can prolong the clean cycle of floor drain again, simple structure.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.

Claims (10)

1. A flap type drain valve is characterized by comprising a valve body, an anti-backflow mechanism and a filtering mechanism, wherein the anti-backflow mechanism and the filtering mechanism are arranged on the valve body;

the anti-backflow mechanism comprises a water sealing mechanism and a positioning assembly, the positioning assembly is arranged on the lower opening, and the water sealing mechanism is arranged on the positioning assembly so as to enable the water sealing mechanism to seal or open the lower opening;

the filter mechanism comprises a filter screen and a lock catch assembly, the lock catch assembly is arranged on the upper opening, the filter screen is arranged on the upper opening through the lock catch assembly so that the filter screen covers the upper opening, and the filter screen is formed by protruding upwards from the upper opening.

2. The flap valve according to claim 1, wherein the locking member comprises locking pins disposed at both sides of the bottom of the filter net and a locking member disposed at the upper opening, the locking pins being locked to the locking member to fixedly mount the filter net at the upper opening.

3. The flap type drain valve according to claim 2, wherein the number of the bayonet locks is at least two, and the bayonet locks are symmetrically arranged at two sides of the bottom of the filter screen; the quantity of lock catch spare is at least two, and central symmetry sets up on the open-ended terminal surface.

4. The flap type drain valve according to claim 2, wherein the filter net has a vertical section of "pi" type, and the locking member has an inverted "L" type.

5. The flap type drain valve according to claim 1, wherein the positioning assembly comprises a positioning block oppositely arranged on the outer side wall of the lower opening, and the positioning block is provided with a pin hole.

6. The flap type drain valve according to claim 5, wherein the positioning block is further provided with a guide groove extending in a radial direction of the pin hole such that the pin hole is provided on a bottom wall of the guide groove.

7. The flap type drain valve according to claim 5 or 6, wherein the water sealing mechanism comprises a rotating shaft, and a weight and a flap which are respectively arranged at two sides of the rotating shaft, the weight of the weight is larger than that of the flap, the flap can cover or open the lower opening, two ends of the rotating shaft are provided with bolts, and the bolts are inserted in the pin holes so that the water sealing mechanism can rotate around the rotating shaft.

8. The flap type drain valve according to claim 7, wherein the lower opening is provided with a first sealing ring, and the flap is connected with the lower opening through the first sealing ring;

and a second sealing ring is sleeved outside the valve body.

9. The floor drain is characterized by comprising a floor drain body and the flap type drain valve as claimed in any one of claims 1 to 8, wherein the flap type drain valve is arranged on the floor drain body, the floor drain body is provided with a lower water cavity, the bottom of the lower water cavity is provided with a mounting port, the drain valve is mounted on the floor drain body through the mounting port, and the upper opening and the filter screen are arranged in the lower water cavity.

10. The floor drain of claim 9, wherein the valve body is disposed through the mounting opening, and the valve body is in threaded connection with the floor drain body;

and a second sealing ring is sleeved outside the valve body so as to enable the valve body to be connected with the mounting opening in a sealing manner.

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