CN211922860U

CN211922860U - Anti-overflow valve

Info

Publication number: CN211922860U
Application number: CN201921951539.XU
Authority: CN
Inventors: 王国飞
Original assignee: Zhejiang Delifu Technology Co ltd
Current assignee: Zhejiang Delifu Technology Co ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-11-13
Anticipated expiration: 2029-11-13

Abstract

The utility model discloses an anti-overflow valve, which comprises a valve tube seat connected on a water outlet of a water pool, an overflow channel and a drainage channel which are integrally communicated on the valve tube seat, and an overflow cavity communicated with the overflow channel and the drainage channel, the overflow-proof valve can be directly connected with a sewer pipe communicated with a sewer opening, the pressure sensing film senses the water pressure change in the water tank in real time, when the water quantity in the water pool exceeds a preset position, the pressure sensing film drives the water sealing piston through the transmission mechanism under the extrusion of the water pressure to open the overflow cavity and the drainage cavity, so that the excessive water in the water tank is discharged into the sewer pipe through the overflow channel, the overflow cavity and the drainage channel in sequence, and when the water pressure in the water tank is reduced, the pressure sensing film is restored to the original state, meanwhile, the water-sealing piston is driven to block the overflow cavity and the drainage channel under the assistance of the transmission mechanism, so that the effect of discharging excessive water in the water tank is achieved, and water flow in the water tank is prevented from overflowing.

Description

Anti-overflow valve

Technical Field

The utility model relates to a dehydrator technical field specifically is an anti-overflow valve.

Background

The existing water pool is usually provided with an overflow port, redundant water can be discharged from the overflow port under the condition that a tap is forgotten to be turned off, but the flow speed of water discharged through the overflow port is determined by the height of the water surface exceeding the overflow port in the water pool, and when the water supply speed of the tap exceeds the water discharge speed of the overflow port, the water in the water pool can overflow, so that safety accidents are caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can in time discharge the water in the pond, prevent that the pond normal water from spilling over, the anti-overflow valve that can discharge again quantitatively.

In order to achieve the above object, the utility model provides a following technical scheme, an anti-overflow valve, including connecing the valve tube socket of establishing on the mouth of a river under the pond, integrative switch-on overflow passageway, drainage channel on the valve tube socket to and intercommunication overflow passageway, drainage channel's overflow chamber, wherein, be equipped with the water plug that can open and close in the valve tube socket between corresponding overflow passageway and the drainage channel, the passage mouth department that the overflow intracavity corresponds overflow passageway, drainage channel is equipped with respectively can sense hydraulic pressure sensing membrane in the pond, can make the water sealing piston of overflow chamber and drainage channel's water route break-make, the overflow chamber is equipped with drive mechanism outward, pressure sensing membrane, water sealing piston all are connected with drive mechanism, and this pressure sensing membrane passes through drive mechanism and water sealing piston syntropy linkage.

The utility model has the advantages that: the overflow-proof valve can be directly connected to a sewer pipe with a communicated sewer opening, the pressure sensing film senses the change of water pressure in the water pool in real time, when the water amount in the water pool exceeds a preset position, the pressure sensing film drives the water sealing piston through the transmission mechanism under the extrusion of the water pressure to open the overflow cavity and the drainage cavity, so that the excessive water in the water pool is discharged into the sewer pipe through the overflow channel, the overflow cavity and the drainage channel in sequence, and when the water pressure in the water pool is reduced, the pressure sensing film recovers the original state, and simultaneously drives the water sealing piston to block the overflow cavity and the drainage channel under the assistance of the transmission mechanism, the effect of discharging the excessive water in the water pool is achieved, and the overflow of the water flow in the water pool is prevented.

Preferably, the transmission mechanism comprises a transmission shell, a membrane transmission rod, a piston transmission rod, a T-shaped lever, a linkage bridge, a first elastic sheet, a second elastic sheet and a positioning plate, wherein the T-shaped lever, the linkage bridge, the first elastic sheet, the second elastic sheet and the positioning plate are arranged in the transmission shell, the T-shaped lever comprises an end A, an end B and an end C, the end A is arranged at the head of the T-shaped lever, the T-shaped lever is rotatably arranged in the transmission shell by taking the end B as a fulcrum, one end of the piston transmission rod is connected with the water sealing piston, one end of the membrane transmission rod is connected with the pressure sensing membrane, the other end of the membrane transmission rod is connected with the end A of the T-shaped lever for linkage, the end C of the T-shaped lever is connected with one end of the linkage bridge, the other end of the linkage bridge is connected with the other end of the piston transmission rod, meanwhile, one end of the positioning, the other end of the first elastic sheet is connected with one side face of the positioning plate close to the transmission shell, one end of the second elastic sheet is connected with one side face of the positioning plate penetrating through the linkage bridge, the other end of the second elastic sheet is connected with the linkage bridge close to the piston transmission rod, the pressure sensing film is changed under the action of water pressure, and meanwhile, the transmission mechanism assists the pressure sensing film to drive the water sealing piston to break through or block off the water paths of the overflow cavity and the drainage cavity under the elastic action of the first elastic sheet and the second elastic sheet, so that the overflow prevention valve can sense the change of the water pressure and the water quantity in the water pool in real time, the excessive water in the water pool can be discharged in time, and the safety accident caused by the fact that the.

Preferably, the first elastic sheet is L-shaped, the second elastic sheet is U-shaped, the pressure sensing membrane is provided with a transmission sticker facing one side of the membrane transmission rod, the transmission sticker is connected with the membrane transmission rod, and the shape of the first elastic sheet and the shape of the second elastic sheet can enable the pressure sensing membrane to be restored after being deformed under stress.

Preferably, the transmission shell is internally provided with limiting blocks corresponding to the upper position and the lower position of the linkage bridge close to the piston transmission rod, and limiting clamping blocks are arranged at the upper position of the linkage bridge close to the membrane transmission rod, and the limiting blocks and the limiting clamping blocks can prevent the first elastic sheet and the second elastic sheet from being damaged due to excessive stress deformation and affecting the service life.

Preferably, a plug is arranged at the lower water opening of the water pool, an overflow opening is formed between the plug and the lower water opening, the plug is connected and linked with the water plug through a linkage rod, when the plug is opened, the water plug drives a water path between an overflow channel in the valve seat of the valve and a passage opening of the drainage channel, water directly flows into the lower water pipe from the valve seat, when the plug is closed, the water plug blocks the water path between the overflow channel in the valve seat and the passage opening of the drainage channel, and the overflow discharge effect of the overflow-proof valve is realized.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a partially exploded view of the present invention;

fig. 3 is a schematic structural diagram of the transmission mechanism, the pressure sensing membrane and the water sealing piston of the present invention.

In the figure: 1. a valve stem seat; 2. an overflow passage; 3. a drainage channel; 4. an overflow chamber; 5. a water plug; 6. a pressure sensing membrane; 7. a water sealing piston; 8. a transmission mechanism; 8-1, a transmission shell; 8-2, a membrane transmission rod; 8-3, a piston transmission rod; 8-4, a T-shaped lever; 8-5, a linkage bridge; 8-6, a first elastic sheet; 8-7, a second elastic sheet; 8-8, positioning plates; 9. a limiting block; 10. and a limiting clamping block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an anti-overflow valve comprises a valve tube seat 1 connected to a sewer opening of a pool, a water overflow channel 2 and a water drainage channel 3 which are integrally communicated with the valve tube seat 1, and an overflow cavity 4 communicated with the overflow channel 2 and the water drainage channel 3, wherein an overflow water path of the anti-overflow valve is formed among the overflow channel 2, the overflow cavity 4 and the water drainage channel 3, an openable water plug 5 is arranged in the valve tube seat 1 corresponding to the overflow channel 2 and the water drainage channel 3, the water plug 5 is positioned in the valve tube seat 1 and used for smoothly or blocking off the water drainage path in the valve tube seat 1, therefore, a plug head is arranged at the sewer opening of the pool, an overflow opening is formed between the plug head and the sewer opening, the plug head is connected and linked with the water plug 5 through a linkage rod, and when the plug head is opened, the water plug 5 drives the overflow channel 2 in the valve tube seat 1 to open the overflow channel 2, The water way between the passage ports of the drainage channel 3, water flows into the downcomer directly from the valve tube seat 1, when the choke plug is closed, the water way between the overflow channel 2 in the valve tube seat and the passage port of the drainage channel 3 is blocked by the water plug 5, so as to realize the effect of draining water by the overflow-proof valve, most importantly, the passage ports corresponding to the overflow channel 2 and the drainage channel 3 in the overflow cavity 4 are respectively provided with a pressure sensing membrane 6 capable of sensing the water pressure in the water tank and a water sealing piston 7 capable of making the water way of the overflow cavity 4 and the drainage channel 3 break and break, the overflow cavity 4 is externally provided with a transmission mechanism 8, the pressure sensing membrane 6 and the water sealing piston 7 are both connected with the transmission mechanism 8, and the pressure sensing membrane 6 is linked with the water sealing piston 7 in the same direction through the transmission mechanism 8; wherein, the transmission mechanism 8 comprises a transmission shell 8-1, a membrane transmission rod 8-2, a piston transmission rod 8-3, a T-shaped lever 8-4 arranged in the transmission shell 8-1, a linkage bridge 8-5, a first elastic sheet 8-6, a second elastic sheet 8-7 and a positioning plate 8-8, wherein the T-shaped lever 8-4 comprises an A end, a B end and a C end, the head part of the T-shaped lever 8-4 is arranged in the transmission shell 8-1 in a rotating way by taking the B end as a fulcrum, one end of the piston transmission rod 8-3 is connected with a water sealing piston 7, one end of the membrane transmission rod 8-2 is connected with a pressure sensing membrane 6, the other end of the membrane transmission rod 8-2 is connected and linked with the A end of the T-shaped lever 8-4, the C end of the T-shaped lever 8-4 is connected with one end of the linkage bridge 8-5, the other end of the linkage bridge 8-5 is connected with the other end of the piston transmission rod 8-3, meanwhile, one end of the positioning plate 8-8 is fixed on the transmission shell 8-1, the other end of the positioning plate 8-8 penetrates through the linkage bridge 8-5 close to the end C, one end of the first elastic sheet 8-6 is connected with the linkage bridge 8-5, the other end of the first elastic sheet 8-6 is connected with one side face of the positioning plate 8-8 close to the transmission shell 8-1, one end of the second elastic sheet 8-7 is connected with one side face of the positioning plate 8-8 penetrating through the linkage bridge 8-5, the other end of the second elastic sheet 8-7 is connected with the linkage bridge 8-5 close to the piston transmission rod 8-3, and the pressure sensing membrane 6 changes under the action of water pressure, meanwhile, the transmission mechanism 8 assists the pressure sensing membrane 6 to drive the water sealing piston 7 to open or block off a water path of the overflow cavity 4 and the water drainage channel 3 under the elastic force action of the first elastic sheet 8-6 and the second elastic sheet 8-7, so that the overflow prevention valve can sense the change of water pressure and water in the water pool in real time and discharge excessive water in the water pool in time to avoid safety accidents caused by overflow of water in the water pool, the first elastic sheet is L-shaped, the second elastic sheet is U-shaped, a transmission sticker is pasted on one side of the pressure sensing membrane facing the membrane transmission rod 8-2 and is connected with the membrane transmission rod 8-2, the shapes of the first elastic sheet 8-6 and the second elastic sheet 8-7 can enable the pressure sensing membrane to restore after deformation under stress, and meanwhile, a linkage bridge 8-5 corresponding to the piston transmission rod 8-3 in the transmission shell 8-1 is connected with the membrane transmission rod 8-2, The lower part of the first elastic sheet 8-6 and the upper part of the second elastic sheet 8-7 are provided with limit blocks 9, the upper part of the linkage bridge 8-5 close to the membrane transmission rod 8-2 is also provided with limit fixture blocks 10, and the limit blocks 9 and the limit fixture blocks 10 can prevent the first elastic sheet 8-6 and the second elastic sheet 8-7 from being excessively deformed and damaged due to stress and influencing the service life.

The working principle is as follows: the valve pipe seat 1 of the anti-overflow valve is connected with a lower water outlet of a water pool or other water storage devices, the bottom of the valve pipe seat 1 can be communicated with a drainage pipeline, and water directly flows downwards through the valve pipe seat 1 from the lower water outlet and enters the drainage pipeline during normal drainage; when water is stored, the water plug 5 is pulled back to a position between the overflow channel 2 and the drainage channel 3 in the valve tube seat 1 through the plug to block a direct-current drainage waterway of the valve tube seat 1, at the moment, the water sealing piston 7 positioned in the overflow cavity 4 blocks a channel opening of the drainage channel, the pressure sensing membrane 6 senses the water pressure quantity in the water pool in real time, and when the water quantity in the water pool exceeds a preset quantity, the pressure sensing membrane 6 is deformed by overlarge water pressure and extrudes a transmission paste, so that the membrane transmission rod 8-2 is pushed, the membrane transmission rod 8-2 drives the A end of the T-shaped lever 8-4 to rotate around the B end, the C end of the T-shaped lever 8-4 is driven to press down to drive one section of linkage bridge 8-5 to be linked, meanwhile, the first elastic sheet 8-6 and the second elastic sheet 8-7 are stressed, the second elastic sheet 8-7 drives the other end of the linkage bridge 8-5 to be linked, and the piston transmission rod 8-3 linked with the end linkage bridge The plug 7 opens a water path between the overflow cavity 4 and the drainage channel 3, water in the water pool is drained into the drainage pipeline through the overflow channel 2, the overflow cavity 4 and the drainage channel 3 of the valve tube seat 1, finally, when the water level in the water pool drops, the water pressure drops, the pressure sensing membrane 6 restores to the original state, and meanwhile, under the elastic forces of the first elastic sheet 8-6 and the second elastic sheet 8-7, the water path between the overflow cavity 4 and the drainage channel 3 is blocked by the water sealing piston 7 again; the overflow-proof valve is used for discharging excessive water in the water tank, and the water tank is prevented from overflowing.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. An anti-overflow valve is characterized by comprising a valve tube seat (1) connected with a water outlet of a pool, an overflow channel (2) and a drainage channel (3) which are integrally communicated with the valve tube seat (1), and an overflow cavity (4) communicated with the overflow channel (2) and the drainage channel (3), wherein a water plug (5) capable of being opened and closed is arranged in the valve tube seat (1) and between the overflow channel (2) and the drainage channel (3), a pressure sensing membrane (6) capable of sensing the water pressure in the pool and a water sealing piston (7) capable of making and breaking a water path between the overflow cavity (4) and the drainage channel (3) are respectively arranged at the channel openings corresponding to the overflow channel (2) and the drainage channel (3) in the overflow cavity (4), a transmission mechanism (8) is arranged outside the overflow cavity (4), and the pressure sensing membrane (6) and the water sealing piston (7) are both connected with the transmission mechanism (8), the pressure sensing membrane (6) is linked with the water sealing piston (7) in the same direction through a transmission mechanism (8).

2. The spill-proof valve according to claim 1, wherein the transmission mechanism (8) comprises a transmission housing (8-1), a membrane transmission rod (8-2), a piston transmission rod (8-3), a T-shaped lever (8-4) arranged in the transmission housing (8-1), a linkage bridge (8-5), a first elastic sheet (8-6), a second elastic sheet (8-7) and a positioning plate (8-8), wherein the T-shaped lever (8-4) comprises an A end, a B end and a C end, the head end and the bottom end of the T-shaped lever are respectively arranged in the transmission housing (8-1) in a rotating manner by taking the B end as a fulcrum, one end of the piston transmission rod (8-3) is connected with the water sealing piston (7), one end of the membrane transmission rod (8-2) is connected with the pressure sensing membrane (6), the other end of the membrane transmission rod (8-2) is connected and linked with the end A of the T-shaped lever (8-4), the end C of the T-shaped lever (8-4) is connected with one end of a linkage bridge (8-5), the other end of the linkage bridge (8-5) is connected with the other end of the piston transmission rod (8-3), meanwhile, one end of the positioning plate (8-8) is fixed on the transmission shell (8-1), the other end of the positioning plate (8-8) penetrates through the linkage bridge (8-5) close to the end C, one end of the first elastic sheet (8-6) is connected with the linkage bridge (8-5), the other end of the first elastic sheet (8-6) is connected with one side face of the positioning plate (8-8) close to the transmission shell (8-1), and one end of the second elastic sheet (8-7) is connected with the positioning plate (8-8) penetrating through the linkage bridge (8-5) ) One side of the second elastic sheet (8-7) is connected, and the other end of the second elastic sheet (8-7) is connected with a linkage bridge (8-5) close to the piston transmission rod (8-3).

3. The overflow prevention valve as claimed in claim 2, wherein the first spring plate (8-6) is L-shaped, the second spring plate (8-7) is U-shaped, and a transmission patch is attached to one side of the pressure sensing membrane (6) facing the membrane transmission rod (8-2), and is connected with the membrane transmission rod (8-2).

4. The spill-proof valve according to claim 2 or 3, characterized in that the transmission housing (8-1) is provided with limit blocks (9) at the upper and lower positions corresponding to the linkage bridge (8-5) close to the piston transmission rod (8-3), and the linkage bridge (8-5) close to the membrane transmission rod (8-2) is provided with limit blocks (10) at the upper position.

5. The overflow prevention valve as claimed in claim 4, wherein a plug is provided at the lower water outlet of the water tank, an overflow port is formed between the plug and the lower water outlet, and the plug is linked with the water plug (5) through a linkage rod.