CN216344156U - An automatic pressure regulating valve for sewage treatment - Google Patents

Abstract

The utility model provides an automatic pressure regulating valve for sewage treatment, which relates to the technical field of pressure regulating valves and comprises a pressure regulating head, a piston and a pressure regulating device, wherein the pressure regulating head is hollow, the piston is arranged in the pressure regulating head, one side of the pressure regulating head is connected with a first connecting pipe, the other side of the pressure regulating head is connected with a second connecting pipe, and the pressure regulating device is arranged in the pressure regulating head and used for regulating the pressure of the piston. This kind of sewage treatment automatic air-vent valve adjusts the position of piston and pressure regulating spring through being provided with the pressure regulating piece to required pressure when can adjusting the piston and opening, thereby strengthen the device's practicality, and be provided with connector and connecting pipe threaded connection, thereby with inlet tube and outlet pipe block in the air-vent valve both sides.

Description

An automatic pressure regulating valve for sewage treatment

technical field

The utility model relates to the technical field of pressure regulating valves, in particular to an automatic pressure regulating valve for sewage treatment.

Background technique

At present, the pumps used for wastewater and sewage treatment on the market have a short service life due to the unstable water pressure. Most of the existing pumps are used in conjunction with the sewage pump through a pressure regulating valve to ensure a certain output pressure and reduce sewage. pressure on the sewage pump.

The pressure regulating valve, also known as the pressure reducing valve, is a valve that reduces the inlet pressure to a certain required outlet pressure by adjusting, and relies on the energy of the medium itself to keep the outlet pressure automatically stable. The working principle of the pressure reducing valve is that the high pressure medium Decompression is achieved by filling a relatively large cavity through a small hole, which is actually decompression by interception.

Most of the existing pressure regulating valves block the pressure regulating port through the piston, and then pressurize the pressure regulating port through the sewage that continuously pours in from the water inlet pipe, so that the sewage flushes the piston away, and then the sewage flows from the smaller regulator. The pressure port enters the inside of the larger pressure regulating head, so that the sewage is intercepted, thereby reducing the pressure of the sewage. Most of the existing pistons provide reciprocation through springs, but the existing pistons cannot be adjusted to open. The required pressure makes the practicability of the pressure regulating valve not high, and the connection between the existing pressure regulating valve and the water inlet pipe and the water outlet pipe is unstable, and it is easy to cause the water inlet pipe and the water outlet pipe to be connected with each other when the water pressure is strong. The regulator valve is disconnected.

Utility model content

The utility model aims to solve the shortcomings existing in the background technology, and provides an automatic pressure regulating valve for sewage treatment, which can adjust the position of the piston and the position of the pressure regulating spring by being provided with a pressure regulating block, so that the required pressure when the piston is opened can be adjusted. Therefore, the practicability of the device is enhanced, and a connecting head is provided to be connected with the connecting pipe threadedly, so that the water inlet pipe and the water outlet pipe are clamped on both sides of the pressure regulating valve.

In order to achieve the above purpose, the present utility model provides the following technical solutions, an automatic pressure regulating valve for sewage treatment, including a pressure regulating head, a piston and a pressure regulating device;

The pressure regulating head is hollow inside, a piston is arranged inside the pressure regulating head, a first connecting pipe is connected on one side of the pressure regulating head, and a second connecting pipe is connected on the other side of the pressure regulating head;

A pressure regulating device is arranged inside the pressure regulating head for regulating the pressure of the piston.

Further, a baffle is arranged inside the pressure regulating head, and the baffle is inclined, and a baffle is arranged inside the pressure regulating head, and the baffle is "L" shaped, and the baffle is in the shape of an "L". A pressure regulating port is formed around the baffle plate, and the piston is located just below the pressure regulating port.

Further, the pressure regulating device includes a connecting rod, a sealing block, a connecting block and a pressure regulating spring, a connecting rod is connected to one side of the piston, a sealing block is arranged inside the pressure regulating head, and one end of the connecting rod is connected with the pressure regulating spring. The bottom of the sealing block is connected to each other, the top of the sealing block is connected with a connecting block, a limiting groove is set inside the connecting block, the interior of the limiting groove is engaged with the limiting block, and the top of the limiting block is connected with a pressure regulating spring , the top of the connecting block is provided with an opening, and the pressure regulating spring protrudes from the top of the connecting block through the opening.

Further, the bottom of the piston is provided with a slider, the inside of the pressure regulating head is provided with a chute, the slider is slidably connected with the chute, the top of the pressure regulating head is provided with a threaded port, and the internal thread of the threaded port is threaded. A pressure regulating block is connected, and the bottom of the pressure regulating block is connected with the pressure regulating spring.

Further, one side of the outer surface of the first connection pipe is provided with a first thread, one end of the first connection pipe is threadedly connected with a first connection head, and one end of the first connection head is provided with a water inlet pipe, and the water inlet pipe is provided at one end of the first connection pipe. The water pipe is snap-connected with the first connector.

Further, one side of the outer surface of the second connection pipe is provided with a second thread, one end of the second connection pipe is threadedly connected with a second connection head, and one end of the second connection head is provided with a water outlet pipe, the outlet pipe is The water pipe is snap-connected with the second connection head.

The utility model provides an automatic pressure regulating valve for sewage treatment, which has the following beneficial effects:

1. The advantage of this utility is that the pressure regulating block is provided to adjust the position of the piston and the pressure regulating spring, so that the pressure required when the piston is opened can be adjusted, thereby enhancing the practicability of the device.

2. Secondly, by attaching the water inlet pipe and the water outlet pipe to the connecting pipe respectively, and then connecting them with the connecting pipe through the connecting head, so that the water inlet pipe and the water outlet pipe are respectively clamped on one side of the connecting pipe, so as to ensure the water inlet pipe and the water outlet pipe. normal use of water pipes.

Description of drawings

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

Fig. 2 is the overall cross-sectional schematic diagram of the utility model.

FIG. 3 is a structural diagram of the first connector of the present invention.

FIG. 4 is a structural diagram of the first connecting pipe of the present invention.

Figure 5 is a structural diagram of the water inlet pipe of the present invention.

FIG. 6 is an enlarged view of part A in FIG. 2 of the present invention.

FIG. 7 is an enlarged view of B in FIG. 2 of the present invention.

In Figure 1-7: 1-pressure regulating head; 101-piston; 102-first connecting pipe; 103-second connecting pipe; 2-deflector; 201-baffle; 202-pressure regulating port; connecting rod; 301-seal block; 302-connection block; 303-limit groove; 304-limit block; 305-pressure regulating spring; 306-slider; 307-chute; 308-threaded mouth; 309-pressure regulating block; 4 - the first connector; 401 - the water inlet pipe; 402 - the second connector; 403 - the water outlet pipe.

Detailed ways

Example:

See Figures 1-7,

An automatic pressure regulating valve for sewage treatment provided in this embodiment includes a pressure regulating head 1, a piston 101 and a pressure regulating device;

The pressure regulating head 1 is hollow inside, a piston 101 is arranged inside the pressure regulating head 1, a first connecting pipe 102 is connected to one side of the pressure regulating head 1, and a second connecting pipe 103 is connected to the other side of the pressure regulating head 1;

A pressure regulating device is provided inside the pressure regulating head 1 for regulating the pressure of the piston 101 .

Further, the pressure regulating head 1 is provided with a baffle plate 2 inside, and the baffle plate 2 is inclined, and the pressure regulating head 1 is provided with a baffle plate 201 inside, and the baffle plate 201 is in the shape of "L". The baffle plate 201 is surrounded by a pressure regulating port 202, and the piston 101 is located directly below the pressure regulating port 202. When the device is used, the sewage is guided to the baffle plate 201 through the inclined baffle plate 2, and then passes through the baffle plate 201. The baffle 201 guides the sewage to the pressure regulating port 202 .

Further, the pressure regulating device includes a connecting rod 3, a sealing block 301, a connecting block 302 and a pressure regulating spring 305, a connecting rod 3 is connected to one side of the piston 101, a sealing block 301 is arranged inside the pressure regulating head 1, and one end of the connecting rod 3 is provided. It is connected with the bottom of the sealing block 301, the top of the sealing block 301 is connected with a connecting block 302, a limiting slot 303 is formed inside the connecting block 302, and the interior of the limiting slot 303 is engaged with the limiting block 304, and the top of the limiting block 304 is connected with a pressure regulating The spring 305 has an opening on the top of the connecting block 302, and the pressure regulating spring 305 protrudes from the top of the connecting block 302 through the opening. The piston 101 slides in the direction of the chute 307 through the slider 306, and drives the connecting rod 3 to pull the sealing block 301 to bend downward, so that the pressure regulating spring 305 is stretched downward, and the piston 101 no longer fits with the pressure regulating port 202 after sliding. The sewage will be discharged from the pressure regulating port 202, and then the sewage will be discharged through the water outlet pipe 403. When there is not enough sewage to exert force on the piston 101, the elastic force of the pressure regulating spring 305 will pull the sealing block 301 to bend upward, and pass the connecting rod 3 The piston 101 is driven to slide upward, so that the piston 101 and the pressure regulating port 202 are abutted and the pressure regulating port 202 is blocked, thereby ensuring a certain output pressure.

The sealing block 301 is made of nitrile rubber material, and the nitrile rubber material has good sealing performance, stretchability and corrosion resistance. overflow, and the stretchability can ensure that the sealing block 301 can be bent up and down and can be restored to its original position, and the corrosion resistance can prevent the sewage from corroding the sealing block 301, thereby prolonging the service life of the sealing block 301;

For the sealing block 301, the sealing performance is the main guarantee, the second is the stretchability which affects the use of the piston 101, and the silica gel with better stretchability is the main material of the sealing block 301, and the second is the stretching Nitrile rubber material with poor performance, but the reciprocity of silicone material is poor. After repeated use, the silicone material cannot be restored to its original state, so the silicone material is not suitable for the sealing block 301 that needs to be bent up and down frequently. The reciprocity of the material is better than that of the silicone material, and the stretchability of the nitrile rubber material is also sufficient for the use of the sealing block 301 .

Further, a slider 306 is provided at the bottom of the piston 101, a chute 307 is provided inside the pressure regulating head 1, the slider 306 is slidably connected with the sliding slot 307, and a threaded port 308 is provided on the top of the pressure regulating head 1, and the threaded port 308 is internally threaded. There is a pressure regulating block 309, and the bottom of the pressure regulating block 309 is connected with the pressure regulating spring 305. When the pressure of the piston 101 needs to be adjusted, the pressure regulating block 309 is rotated in the thread opening 308 by rotating the pressure regulating block 309, so that the pressure regulating block 309 drives the pressure regulating The spring 305 rotates and moves downward, and makes the sealing block 301 bend downward and drives the piston 101 to move downward through the connecting rod 3, so as to adjust the pressure required for the downward sliding of the piston 101. The function is to cooperate with the rotation of the pressure regulating spring 305 .

Further, one side of the outer surface of the first connecting pipe 102 is provided with a first thread, one end of the first connecting pipe 102 is threadedly connected with the first connecting head 4, and one end of the first connecting head 4 is provided with a water inlet pipe 401, and the water inlet pipe 401 and the The first connecting head 4 is snap-connected. When connecting the water inlet pipe 401, one side of the water inlet pipe 401 is fitted with the first connecting pipe 102, and then the first connecting head 4 is rotated to connect with the first thread, and the first connecting head 4 is fixed on one side of the first connecting pipe 102 , and the water inlet pipe 401 is clamped to one side of the first connecting pipe 102 through the first connecting head 4 .

Further, one side of the outer surface of the second connecting pipe 103 is provided with a second thread, one end of the second connecting pipe 103 is threadedly connected with a second connecting head 402, one end of the second connecting head 402 is provided with a water outlet pipe 403, and the water outlet pipe 403 is connected with the water outlet pipe 403. The second connecting head 402 is snap-connected. When connecting the water outlet pipe 403, one side of the water outlet pipe 403 is fitted with the second connecting pipe 103, and then the second connecting head 402 is rotated to connect with the second thread, and the second connecting head 402 is fixed on one side of the second connecting pipe 103 , and the water inlet pipe 401 is clamped on one side of the second connecting pipe 103 through the second connecting head 402 .

When using the present invention, firstly, one side of the water inlet pipe 401 is fitted with the first connecting pipe 102, then the first connecting head 4 is rotated to connect with the first thread, and the first connecting head 4 is fixed on the first connecting pipe. 102 side, and the water inlet pipe 401 is clamped to one side of the first connection pipe 102 through the first connection head 4, and then the water outlet pipe 403 side is attached to the second connection pipe 103, and then the second connection head 402 is rotated. It is screwed with the second thread, the second connection head 402 is fixed on the side of the second connection pipe 103, and the water inlet pipe 401 is clamped on the side of the second connection pipe 103 through the second connection head 402, and then the sewage flows from the inlet The water pipe 401 enters, guides the sewage to the baffle 201 through the inclined baffle 2, and then guides the sewage to the pressure regulating port 202 through the baffle 201. Apply pressure, the piston 101 slides toward the chute 307 through the slider 306, and drives the connecting rod 3 to pull the sealing block 301 to bend downward, so that the pressure regulating spring 305 stretches downward, and the piston 101 slides downward no longer with the pressure regulating The port 202 is fitted, and the sewage will be discharged from the pressure regulating port 202, and then the sewage will be discharged through the water outlet pipe 403. The large sewage is intercepted to decompress the sewage. When there is not enough sewage to exert force on the piston 101, the elastic force of the pressure regulating spring 305 pulls the sealing block 301 to bend upward, and drives the piston 101 to slide upward through the connecting rod 3. , so that the piston 101 and the pressure regulating port 202 are fitted to block the pressure regulating port 202. When the pressure of the piston 101 needs to be adjusted, the pressure regulating block 309 is rotated in the threaded port 308 by rotating the thread, so that the pressure regulating block 309 drives the pressure regulating The spring 305 rotates and moves downward, and makes the sealing block 301 bend downward and drives the piston 101 to move downward through the connecting rod 3, thereby reducing the pressure required for the piston 101 to slide downward. The device is provided with a pressure regulating block 309 to the piston The position of 101 and the position of the pressure regulating spring 305 can be adjusted, so that the pressure required when the piston 101 is opened can be adjusted, thereby enhancing the practicability of the device, and a connecting head is provided to be threadedly connected with the connecting pipe, so as to connect the water inlet pipe 401 to the water inlet pipe 401. The water outlet pipe 403 is engaged on both sides of the pressure regulating valve.

Claims (6)

1. An automatic pressure regulating valve for sewage treatment is characterized by comprising a pressure regulating head, a piston and a pressure regulating device;

the pressure regulating head is hollow, a piston is arranged in the pressure regulating head, one side of the pressure regulating head is connected with a first connecting pipe, and the other side of the pressure regulating head is connected with a second connecting pipe;

the piston pressure regulating device comprises a connecting rod, a sealing block, a connecting block and a pressure regulating spring, wherein the connecting rod is connected to one side of the piston, the sealing block is arranged inside the pressure regulating head, one end of the connecting rod is connected with the bottom of the sealing block, the top of the sealing block is connected with the connecting block, a limiting groove is formed inside the connecting block, a limiting block is clamped inside the limiting groove and connected with the top of the limiting block, and the top of the limiting block is connected with the pressure regulating spring.

2. The automatic pressure regulating valve for sewage treatment according to claim 1, wherein a flow guiding plate is arranged inside the pressure regulating head, the flow guiding plate is inclined, a flow blocking plate is arranged inside the pressure regulating head, the flow blocking plate is "L" shaped, the flow guiding plate and the flow blocking plate enclose to form a pressure regulating port, and the piston is located under the pressure regulating port.

3. The automatic pressure regulating valve for sewage treatment according to claim 1, wherein an opening is opened at the top of the connecting block, and the pressure regulating spring protrudes out of the top of the connecting block through the opening.

4. The automatic pressure regulating valve for sewage treatment according to claim 1, wherein a sliding block is arranged at the bottom of the piston, a sliding groove is formed inside the pressure regulating head, the sliding block is slidably connected with the sliding groove, a threaded opening is formed at the top of the pressure regulating head, a pressure regulating block is connected inside the threaded opening in a threaded manner, and the bottom of the pressure regulating block is connected with a pressure regulating spring.

5. The automatic pressure regulating valve for sewage treatment according to claim 1, wherein one side of the outer surface of the first connecting pipe is provided with a first thread, one end of the first connecting pipe is connected with a first connector in a threaded manner, one end of the first connector is provided with a water inlet pipe, and the water inlet pipe is connected with the first connector in a clamping manner.

6. The automatic pressure regulating valve for sewage treatment according to claim 1, wherein one side of the outer surface of said second connecting pipe is provided with a second screw thread, one end of said second connecting pipe is connected with a second connector in a screw thread manner, one end of said second connector is provided with a water outlet pipe, and said water outlet pipe is connected with said second connector in a clamping manner.

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