CN218031624U

CN218031624U - Water inlet pressure reducing valve with photoelectric flowmeter

Info

Publication number: CN218031624U
Application number: CN202221961123.8U
Authority: CN
Inventors: 蔡祖发; 陆灿; 陈鹏华; 邵巧明; 史春淼; 华焕焕
Original assignee: Jinhua Hongchang Electrlcal Equipment Co ltd
Current assignee: Jinhua Hongchang Electrlcal Equipment Co ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2022-12-13
Anticipated expiration: 2032-07-27

Abstract

The utility model discloses a take light current meter's relief pressure valve of intaking, including solenoid electric mechanism, solenoid electric mechanism passes through sealing mechanism and is connected with the decompression mechanism, sealing mechanism's bottom is equipped with the valve body of intaking, one side and the temperature sensor of sealing mechanism are connected, one side and the pressure release suction valve mechanism of decompression mechanism are connected, the delivery port and the light current meter of decompression mechanism are connected. According to the scheme, the pressure relief air suction valve mechanism is arranged, so that when negative pressure is generated in the internal valve cavity, atmospheric pressure can enter from the air suction valve port, the air suction valve with the pressure relief function is pushed reversely, the internal negative pressure is damaged, and the valve body is prevented from being damaged; and when the water that the mechanism of reducing pressure flows appears blockking up the condition and leads to the valve pocket pressure to rise in the rear end outlet pipe, the pressure release function can be opened, and water can be followed the valve port of breathing in and flowed, prevents the tube burst phenomenon, has promoted the security.

Description

Water inlet pressure reducing valve with photoelectric flowmeter

Technical Field

The utility model relates to the sanitary wares field especially relates to a take water inlet relief pressure valve of photoelectric flowmeter.

Background

The intelligent toilet bowl can prevent bacterial infection, prevent hemorrhoids, care pregnant women and protect the old, is more convenient to install than the intelligent toilet bowl, has high cost performance, and is suitable for secondary decoration. The intelligent toilet bowl is provided with a pressure reducing valve, wherein the pressure reducing valve is a valve which reduces the inlet pressure to a certain required outlet pressure through regulation and enables the outlet pressure to automatically keep stable by means of the energy of a medium. From the viewpoint of hydrodynamics, the pressure reducing valve is a throttling element with variable local resistance, namely, the flow speed and the kinetic energy of fluid are changed by changing the throttling area to cause different pressure losses, thereby achieving the purpose of pressure reduction. In the prior art, the pressure reducing valve and the flowmeter are two separated parts, the installation position of the flowmeter needs to be designed according to the space of the toilet seat installation seat, and meanwhile, the installation connection with the pulse flushing valve needs to be considered, so that the utilization rate of the space intelligent toilet is lower, and the appearance design of the intelligent toilet is limited.

For example, a pressure reducing valve disclosed in chinese patent document, whose publication No. CN210086395U includes a valve main body, the valve main body includes an electromagnetic control mechanism, a pressure reducing mechanism, a flow meter mechanism and a water inlet which are communicated with each other, the electromagnetic control mechanism is fixedly connected with the pressure reducing mechanism and is parallel to each other, the flow meter mechanism is vertically installed on the upper surface of the pressure reducing mechanism, the electromagnetic control mechanism, the pressure reducing mechanism and the flow meter mechanism are arranged in an L shape, the water inlet is further provided with an installation base, and the installation base is used for being installed in cooperation with a pulse flushing valve through a connecting piece. Although this scheme has solved current intelligent closestool relief pressure valve and flowmeter and has separately set up occupation space and extravagant conduit's problem, when the water that flows out of pressure reducing mechanism appears blocking the condition in the rear end outlet pipe, can lead to pressure to rise, has the probability can appear tube explosion phenomenon, has potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model discloses it is not enough to solve the relief pressure valve safety guarantee measure of intaking among the prior art, has the problem of potential safety hazards such as booster, has provided a relief pressure valve with pressure release suction valve structure. The pressure relief function can be opened when the blocking condition appears in the rear end water outlet pipe, so that pipe explosion is prevented, and the safety is improved. Meanwhile, the device has the advantages of compact structure, space saving, good backflow prevention effect, effective improvement of space utilization rate and the like.

In order to solve the technical problem, the utility model discloses the technical scheme who takes does: a water inlet pressure reducing valve with a photoelectric flowmeter comprises an electromagnetic control mechanism, a pressure relief air suction valve mechanism, a pressure reducing mechanism and a photoelectric flowmeter mechanism; electromagnetic control mechanism passes through sealing mechanism and is connected with decompression mechanism, sealing mechanism's bottom is equipped with into water valve body, one side and the temperature sensor of sealing mechanism are connected, one side and the pressure release of decompression mechanism inhale the valve mechanism and be connected, decompression mechanism's delivery port and light flowmeter are connected. According to the scheme, by arranging the pressure relief air suction valve mechanism, under the condition that negative pressure is generated in the internal valve cavity, atmospheric pressure can enter from the air suction valve port, and the air suction valve with the pressure relief function is reversely pushed, so that the internal negative pressure is damaged, and water in a pipeline is prevented from being polluted; and when the water that flows out of the pressure reducing mechanism is blocked at the water outlet pipe at the rear end, so that the pressure of the valve cavity rises, the pressure relief function is opened, the water can flow out from the air suction valve port, the pipe explosion phenomenon is prevented, and the safety is improved.

Preferably, the electromagnetic control mechanism comprises an electromagnetic valve body, the electromagnetic valve body is provided with a water supply chamber, a water outlet chamber and a water outlet, and a sealing mechanism is arranged between the water supply chamber and the water outlet chamber; an iron core and a spring mechanism are arranged in the upper end of the electromagnetic control mechanism, a rubber core is arranged at the tail end of the iron core, and a static iron core is arranged at the upper end of the iron core; the electromagnetic control mechanism is provided with an electromagnetic coil, and an upper iron plate is arranged outside the electromagnetic coil. The electromagnetic control mechanism has the functions of providing electromagnetic force and providing power for the operation of other parts; the electromagnetic control mechanism can also control the water flow in the pressure reducing valve to flow in and out through the water inlet, and the water flow flows into the pressure reducing mechanism through the electromagnetic control mechanism.

Preferably, the sealing mechanism comprises a sealing ring and a sealing ring frame, and a bilateral slotted hole is formed in the sealing ring frame. The arrangement of the bilateral slotted holes is beneficial to no adhesion between the installation parts when in installation, so that the installation is convenient, the sealing performance is good, a double-cavity air bag is formed, the sound insulation effect is good, and the sealing effect is good.

Preferably, the pressure relief air suction valve mechanism comprises a water return prevention seat and a water return prevention diaphragm, the water return prevention diaphragm is installed at the water outlet position of the pressure reduction valve body, the water return prevention seat is provided with a pressure relief column and a pressure relief spring, the pressure relief column is provided with an O-shaped ring, and the water return prevention seat is buckled. When negative pressure is generated in the valve cavity, atmospheric pressure can enter from the air suction valve port to reversely push the air suction valve with the pressure relief function, so that the internal negative pressure is damaged. In addition, when the water that the decompression mechanism flows out appears blockking up the condition in the rear end outlet pipe, can lead to valve pocket pressure to rise, have the probability can appear the phenomenon of bursting, and the pressure release function can be opened this moment, and water can be followed the valve port of breathing in and flowed out. The pressure relief air suction valve mechanism plays a role in preventing the water outlet from generating negative pressure and balancing the pressure of the valve cavity, potential safety hazards which may exist are eliminated, and the safety of the device is improved.

Preferably, the electromagnetic control mechanism is fixedly connected with the decompression mechanism through a connecting piece, and the decompression air suction valve mechanism is connected with the decompression mechanism through a buckle; and O-shaped rings are arranged between the electromagnetic control mechanism and the pressure reducing mechanism and between the pressure relief air suction valve mechanism and the pressure reducing mechanism. The O-shaped ring is low in price, simple to manufacture, reliable in function, simple in installation requirement and good in sealing performance. The connection mode avoids the pipeline connection among the pressure reducing mechanism, the air suction valve mechanism and the electromagnetic control mechanism, so that the structure is more compact, the installation is more convenient, the cost is reduced, and the space utilization rate is greatly improved.

Preferably, the pressure reducing mechanism comprises a rear cover, an adjusting rod and a sealing cover, wherein a gasket and a diaphragm are arranged at the tail part of the adjusting rod and are fixed through injection molding nuts; a pressure reducing spring is arranged between the diaphragm and the adjusting screw; a rear cover bolt is arranged at the tail part of the rear cover; the sealing cover is fixedly connected with the adjusting screw through a connecting piece. The pressure reducing mechanism is formed by the components, so that the water outlet pressure and the water outlet flow are stable, water flows into the pressure reducing mechanism through the electromagnetic control mechanism, and the pressure reducing mechanism works continuously, so that the water pressure of the water from the electromagnetic control mechanism passing through the pressure reducing mechanism is constant.

Preferably, the photoelectric flowmeter comprises a welding cover plate and a PCB receiving plate, the welding cover plate is connected with the impeller through a rotating shaft, and the PCB receiving plate comprises an LED receiving end and an LED emitting end. The water in the water outlet chamber flows to the impeller to drive the impeller to rotate, the impeller is formed by injection molding of black injection molding materials, so that the impeller can cut the LED receiving end and the LED transmitting end on the PCB receiving plate when the blades rotate, and the effect of accurate counting is achieved.

Drawings

Fig. 1 is a schematic diagram of an overall structure of the present invention.

Fig. 2 is a schematic partial cross-sectional view of the present invention.

Fig. 3 is another schematic partial cross-sectional view of the present invention.

Fig. 4 is a cross-sectional view of the flow meter mechanism of the present invention.

Wherein: 1. an electromagnetic control mechanism, 2, a sealing mechanism, 3, a temperature sensor, 4, a pressure relief air suction valve mechanism, 5, a water inlet valve body, 6, a pressure relief mechanism, 7, a light flowmeter, 101, an upper iron plate, 102, a coil, 103, a static iron core, 104, an O-shaped ring, 105, a spring, 106, an iron core, 107, a rubber core, 201, a sealing ring, 202, a sealing ring frame, 301, a thermometer, 302, an O-shaped ring, 303, a thermometer pressure plate, 401, an air suction valve joint, 402, a pressure relief assembly, 402-1 water return prevention seat, 402-2, a water return prevention membrane, 402-3, a pressure relief column, 402-4, an O-shaped ring, 402-5 and a pressure relief spring, 402-6 of a water return preventing seat buckle, 402-7 of a flower type water return preventing membrane, 403 of a connecting pipe, 501 of a water inlet valve main body, 502 of a one-way valve, 503 of a filter screen, 601 of a water inlet valve main body, a rear cover bolt, 602 of a rear cover, 603 of a regulating rod, 604 of a regulating rod O-ring, 605 of a rear cover O-ring, 606 of a gasket, 607 of a diaphragm, 608 of an injection molding nut, 609 of a regulating spring, 610 of a regulating nut, 611 of a sealing cover, 612 of a pressure reducing valve body, 701 of a welding cover plate, 702 of a rotating shaft, 703 of an impeller, 704 of an LED receiving end, 704-2 of an LED transmitting end.

Detailed Description

The following provides a more detailed description of the present invention, with reference to the accompanying drawings.

A water inlet pressure reducing valve with a photoelectric flowmeter is shown in figure 1 and comprises an electromagnetic control mechanism 1, a pressure relief air suction valve mechanism 4, a pressure reducing mechanism 6 and a photoelectric flowmeter mechanism 7; the electromagnetic control mechanism 1 is connected with a pressure reducing mechanism 6 through a sealing mechanism 2, a water inlet valve body 5 is arranged at the bottom of the sealing mechanism 2, one side of the sealing mechanism 2 is connected with a temperature sensor 3, one side of the pressure reducing mechanism 6 is connected with a pressure relief air suction valve mechanism 4, a photoelectric flowmeter mechanism 7 is vertically installed on the upper surface of the pressure reducing mechanism 6, and the electromagnetic control mechanism 1, the pressure reducing mechanism 6 and the photoelectric flowmeter mechanism 7 are arranged in an L shape.

The electromagnetic control mechanism 1 comprises an electromagnetic valve body, the electromagnetic valve body is provided with a water supply chamber, a water outlet chamber and a water outlet, and a sealing mechanism 2 is arranged between the water supply chamber and the water outlet chamber; an iron core 106 and a spring mechanism 105 are arranged in the upper end of the electromagnetic control mechanism 1, a rubber core 107 is arranged at the tail end of the iron core, and a static iron core 103 is arranged at the upper end of the iron core 106; the solenoid control mechanism 1 is provided with a solenoid 102, and an upper iron plate 101 is provided outside the solenoid 102. By adopting the electromagnetic control mechanism 1 with the structure, water flow enters the water supply chamber from the water inlet, then flows to the water outlet chamber from the water supply chamber, and flows into the decompression mechanism 6 from the water outlet, so that the whole tightness of the electromagnetic control mechanism 1 can be ensured.

The sealing mechanism 2 comprises a sealing ring 201 and a sealing ring frame 202, and a double-side slotted hole is formed in the sealing ring frame 202. The arrangement of the bilateral slotted holes is beneficial to no adhesion between the installation parts when in installation, so that the installation is convenient, the sealing performance is good, a double-cavity air bag is formed, the sound insulation effect is good, and the sealing effect is good.

The temperature sensor 3 includes a thermometer 301, an O-ring 302, and a thermometer pressure plate 303, and mainly functions to collect real-time temperature information of the valve body and transmit the information to the pressure reducing mechanism 6.

The pressure relief suction valve mechanism comprises a suction valve connector 401, a pressure relief assembly 402 and a connecting pipe 403, wherein the pressure relief assembly 402 is further provided with a water return prevention seat 402-1 and a water return prevention membrane 402-2, the water return prevention seat 402-1 is provided with a pressure relief column 402-3 and a pressure relief spring 402-5, the pressure relief column 402-3 is provided with an O-shaped ring 402-4, the water return prevention seat 402-1 is buckled with a water return prevention seat buckle 402-6, and one side of the water return prevention seat buckle 402-6 is provided with a flower-shaped water return prevention membrane 402-7. The pressure reducing valve and the pressure relief cover are arranged at the water outlet position of the pressure reducing valve body, when negative pressure is generated in the valve cavity, atmospheric pressure can enter from the air suction valve port, and the air suction valve with the pressure relief function is reversely pushed, so that the internal negative pressure is damaged. In addition, when the water that the decompression mechanism flows out appears blockking up the condition in the rear end outlet pipe, can lead to valve pocket pressure to rise, have the probability can appear the phenomenon of bursting, and the pressure release function can be opened this moment, and water can be followed the valve port of breathing in and flowed out.

The electromagnetic control mechanism 1 is fixedly connected with the decompression mechanism 6 through a connecting piece, and the decompression air suction valve mechanism 4 is connected with the decompression mechanism 6 through a buckle; o-shaped rings are arranged between the electromagnetic control mechanism 1 and the decompression mechanism 6 and between the decompression air suction valve mechanism 4 and the decompression mechanism 6.

The water inlet valve body 5 comprises a water inlet valve main body 501, a one-way valve 502 and a filter screen 503, and mainly functions to control the water flow to enter and exit by controlling the opening and closing of the valve.

The pressure reducing mechanism comprises a rear cover 602, an adjusting rod 603 and a sealing cover 611, wherein the tail part of the adjusting rod 603 is provided with a gasket 606 and a diaphragm 607 which are fixed through an injection molding nut 608; a pressure reducing spring 609 is arranged between the diaphragm 607 and the adjusting screw 610; the tail of the rear cover 602 is provided with a rear cover bolt 601; the sealing cover 611 is fixedly connected with the adjusting screw 610 through a connecting member.

The photoelectric flowmeter comprises a welded cover plate 701 and a PCB receiving plate 704, wherein the welded cover plate 701 is connected with an impeller 703 through a rotating shaft 702, and the PCB receiving plate 704 comprises an LED receiving end 704-1 and an LED emitting end 704-2. The water in the water outlet chamber flows to the impeller 703 to drive the impeller 703 to rotate, and the impeller 703 is injection molded by black injection molding material, so that the blade can cut the LED receiving end 704-1 and the LED transmitting end 704-2 on the PCB receiving board when rotating, thereby achieving the effect of accurate counting.

The utility model discloses a take inlet relief pressure valve of light flowmeter is through setting up pressure release air suction valve mechanism for when the inside negative pressure that produces of valve pocket, atmospheric pressure can get into from the valve port of breathing in, and the inside negative pressure is destroyed to the air suction valve of pressure release function in reverse promotion area, prevents that the sewage in the valve from flowing back in the pipeline. In addition, when the water that the decompression mechanism flows out appears blockking up the condition in the rear end outlet pipe, can lead to valve pocket pressure to rise, have the probability can appear the phenomenon of bursting, and the pressure release function can be opened this moment, and water can be followed the valve port of breathing in and flowed out. The pressure relief air suction valve mechanism plays a role in preventing the water outlet from generating negative pressure and balancing the pressure of the valve cavity, potential safety hazards which may exist are eliminated, and the safety of the device is improved.

The above embodiments only represent one embodiment of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. The utility model provides a take inlet relief pressure valve of light flowmeter, its characterized in that, includes electromagnetic control mechanism (1), electromagnetic control mechanism (1) is connected with relief mechanism (6) through sealing mechanism (2), the bottom of sealing mechanism (2) is equipped with into water valve body (5), one side and the temperature sensor (3) of sealing mechanism (2) are connected, one side and the pressure release of relief mechanism (6) air suction valve mechanism (4) are connected, the delivery port and the light flowmeter (7) of relief mechanism (6) are connected.

2. The water inlet pressure reducing valve with the photoelectric flowmeter as claimed in claim 1, wherein the electromagnetic control mechanism (1) comprises an electromagnetic valve body, the electromagnetic valve body is provided with a water supply chamber, a water outlet chamber and a water outlet, and a sealing mechanism (2) is arranged between the water supply chamber and the water outlet chamber; an iron core (106) and a spring (105) mechanism are arranged in the upper end of the electromagnetic control mechanism (1), a rubber core (107) is arranged at the tail end of the iron core (106), and a static iron core (103) is arranged at the upper end of the iron core (106); the electromagnetic control mechanism (1) is provided with an electromagnetic coil (102), and an upper iron plate (101) is arranged outside the electromagnetic coil (102).

3. The water inlet pressure reducing valve with the photoelectric flowmeter as claimed in claim 2, wherein the sealing mechanism (2) comprises a sealing ring (201) and a sealing ring frame (202), and the sealing ring frame (202) is provided with a double-sided slotted hole.

4. The water inlet pressure reducing valve with the optical flowmeter as claimed in claim 1, wherein the pressure relief air intake valve mechanism (4) comprises an air intake valve connector (401) and a pressure relief component (402), a water return prevention seat (402-1) and a water return prevention diaphragm (402-2) are installed at a water outlet position of the pressure relief component (402), a pressure relief column (402-3) and a pressure relief spring (402-5) are installed on the water return prevention seat (402-1), an O-shaped ring (402-4) is installed on the pressure relief column (402-3), and a water return prevention seat buckle (402-6) is buckled on the water return prevention seat (402-1).

5. The water inlet pressure reducing valve with the photoelectric flowmeter as claimed in claim 1, wherein the electromagnetic control mechanism (1) is fixedly connected with the pressure reducing mechanism (6) through a connecting piece, and the pressure relief air suction valve mechanism (4) is connected with the pressure reducing mechanism (6) through a buckle; an O-shaped ring is arranged between the electromagnetic control mechanism (1) and the decompression mechanism (6), and an O-shaped ring is arranged between the decompression air suction valve mechanism (4) and the decompression mechanism (6).

6. The water inlet pressure reducing valve with the optical flowmeter as claimed in claim 1, wherein the pressure reducing mechanism (6) comprises a rear cover (602), an adjusting rod (603) and a sealing cover (611), a gasket (606) and a diaphragm (607) are arranged at the tail of the adjusting rod (603), and the gasket (606) and the diaphragm (607) are fixed through an injection molding nut (608); a pressure reducing spring (609) is arranged between the diaphragm (607) and the adjusting screw (610); a rear cover bolt (601) is arranged at the tail part of the rear cover (602); the sealing cover (611) is fixedly connected with the adjusting screw (610) through a connecting piece.

7. The water inlet pressure reducing valve with the optical flowmeter as claimed in claim 1 or 5, wherein the optical flowmeter (7) comprises a welded cover plate (701) and a PCB receiving plate (704), the welded cover plate (701) is connected with the impeller (703) through a rotating shaft (702), and the PCB receiving plate (704) comprises an LED receiving end (704-1) and an LED emitting end (704-2).