CN212718156U

CN212718156U - Pneumatic clearance type overflow pressure regulating valve

Info

Publication number: CN212718156U
Application number: CN202020672038.4U
Authority: CN
Inventors: 苟娥
Original assignee: Chengdu Haishen Technology Co ltd
Current assignee: Chengdu Haishen Technology Co ltd
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2021-03-16
Anticipated expiration: 2030-04-27

Abstract

The utility model discloses a pneumatic clearance type overflow pressure regulating valve, which comprises a valve body, the valve body is in a cross four-way shape, a water inlet channel and a water outlet channel of the valve body are straight, one end of another channel vertical to the water inlet channel and the water outlet channel is an overflow port, a valve sleeve, a valve core and a pressure plate are arranged in the channel, the pressure plate is positioned at the top of the valve sleeve, the valve sleeve is provided with a water flow through hole communicated with the water inlet channel and the water outlet channel and an overflow through hole communicated with the overflow port, the overflow through hole is a counter bore, the valve core is arranged in the valve sleeve, one end of the valve core is matched with the overflow through hole, an overflow gap exists between the end of the valve core and the overflow through hole, the other end of the; the smaller the overflow gap is, the larger the pressure of the water outlet channel is, namely the pressure of the water outlet channel can be changed by the amount of the gas conveyed to the telecommunication control compressor, so that the remote control of the output water pressure is realized, and the potential safety hazard of operation is reduced.

Description

Pneumatic clearance type overflow pressure regulating valve

Technical Field

The utility model belongs to the technical field of the valve, concretely relates to pneumatic clearance formula overflow air-vent valve.

Background

High-pressure water jet is a high-tech cleaning technology which is internationally established. The high-pressure water jet cleaning has the characteristics of low cleaning cost, high speed, high cleaning rate, no damage to the cleaned objects, wide application range, no environmental pollution and the like; is widely applied to various industries.

The high-pressure water jet equipment needs to be connected with a pressure regulating valve for use. At present, the low pressure valve base plate on the market is adjusted through screw rod and handle, leads to pressure adjustment must be manual, can't realize signal of telecommunication control, and then can't remote operation.

Disclosure of Invention

An object of the utility model is to provide an accessible signal of telecommunication control's pneumatic clearance formula overflow air-vent valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a pneumatic clearance formula overflow air-vent valve, includes the valve body, the valve body is "cross" four-way form, its inhalant canal and exhalant canal are straight, the one end of another passageway perpendicular to inhalant canal and exhalant canal is the overflow mouth, install valve barrel, case and clamp plate in the passageway, the clamp plate is located the valve barrel top, the valve barrel is opened has the rivers through-hole with inhalant canal and exhalant canal intercommunication and the overflow through-hole with the overflow mouth intercommunication, the overflow through-hole is the counter bore, install the case in the valve barrel, the one end of case matches and has the overflow clearance between the overflow through-hole, the other end of case is connected with the cylinder that drives it to change the size of overflow clearance, through changing the pressure of overflow clearance size.

Further, the inner side wall of the valve sleeve where the water flow through hole is located is recessed outwards.

Furthermore, the cylinder comprises an air inlet and a piston, the piston is fixedly connected with the top of the valve core, and compressed air is conveyed into the cylinder through the air inlet to control the piston to move downwards so as to enable the valve core to be close to the buffer block.

Furthermore, the valve body is provided with an exhaust hole which is positioned above the pressure plate and below the lower limit position of the piston.

Further, overflow mouth department installs the buffer block and is connected with the overflow and connects.

Furthermore, a pressure detection hole is formed in the valve body, and a pressure detection joint is mounted on the pressure detection hole.

Furthermore, sealing rings are arranged between the pressure plate and the valve body, between the valve sleeve and the valve body and between the valve core and the valve sleeve.

The utility model discloses following beneficial effect has:

(1) the valve core is driven by the air cylinder to move so as to control the size of the overflow gap and further change the pressure of the water outlet channel, the smaller the overflow gap is, the larger the pressure of the water outlet channel is, the pressure of the water outlet channel can be changed by conveying gas to the telecommunication control compressor, so that the size of the output water pressure can be controlled remotely, and the potential safety hazard of operation is reduced;

(2) by arranging the pressure gauge, the pressure of the valve body can be visually checked through the pressure gauge, and then the content of compressed air in the air cylinder is controlled, so that the size of the pressure regulating valve can be accurately controlled;

(3) can be directly connected with a water outlet pipe of high-pressure water jet equipment, and has the advantages of safety, reliability, reasonable design and simple and convenient operation.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is a schematic sectional view taken along line a-a of fig. 2.

Fig. 4 is a schematic cross-sectional view taken along line B-B in fig. 2.

Fig. 5 is a schematic view of the valve core of the present invention located at the initial position.

The labels in the figure are: 100. a valve body; 101. a water inlet joint; 102. a water outlet joint; 103. an overflow joint; 104. a buffer block; 105. an exhaust hole; 106. a pressure detection hole; 107. a pressure sensing joint; 200. A cylinder; 201. a piston; 202. an air inlet joint; 300. a valve housing; 301. a water flow through hole; 302. pressing a plate; 303. an overflow through hole; 400. a valve core.

Detailed Description

As shown in fig. 1 and fig. 2, the pneumatic clearance type overflow pressure regulating valve provided in this embodiment includes a valve body 100, a cylinder 200, a valve sleeve 300, and a valve core 400; as shown in fig. 3, the valve body 100 is in a cross-shaped four-way shape, a water inlet channel and a water outlet channel are directly communicated, a water inlet connector 101 is installed on the water inlet channel, a water outlet connector 102 is installed on the water outlet channel, and water inlet and outlet equipment can be quickly disassembled and installed through the connectors; if the water inlet connector 101 is connected with a water outlet pipe of the high-pressure water jet equipment, the water outlet connector 102 is provided with a high-pressure nozzle.

The overflow port is arranged at one end of the other channel which is vertical to the water inlet channel and the water outlet channel, the buffer block 104 and the overflow joint 103 are arranged at the overflow port, the volume of the overflow port can be reduced by arranging the buffer block 104, water flow is reduced, and then the purpose of overflow is achieved. The valve sleeve 300, the valve core 400 and the pressure plate 302 are arranged in the channel, the pressure plate 302 is positioned at the top of the valve sleeve 300 and is used for fixing the valve sleeve 300, the valve sleeve 300 is provided with a water flow through hole 301 communicated with a water inlet channel and a water outlet channel and an overflow through hole 303 communicated with an overflow port, the inner side wall of the valve sleeve 300 where the water flow through hole 301 is positioned is outwards sunken, the overflow through hole 303 is a counter bore which is preferentially adopted as a counter bore, the valve core 400 is arranged in the valve sleeve 300, one end of the valve core 400 is matched with the overflow through hole 303 and an overflow gap is formed between the end of the valve core 400 and the counter bore, the other end of the valve core 400 is connected with a cylinder 200 for driving the cylinder to change the size of the overflow gap, the cylinder 200 comprises an air inlet and a piston 201, the piston 201 is fixedly connected with the other end of, compressed air is conveyed into the cylinder 200 through the compressor, the pressure above the piston 201 is increased, the piston 201 moves downwards to drive the valve core 400 to move towards the overflow through hole 303, so that an overflow gap between the overflow through hole 303 and the valve core 400 is improved, the initial position of the valve core 400 is shown in fig. 5, along with the change of the size of the overflow gap, the size of water flow passing through the overflow through hole 303 is increased, when the water flow of the overflow through hole 303 is smaller and smaller, the water flow can only flow out through the water outlet channel, and the water flow pressure of the water outlet channel can be increased; until the valve core 400 is completely matched with the overflow through hole 303 and no overflow gap exists, the water pressure of the water outlet channel is maximum, as shown in fig. 3.

As shown in fig. 4, the valve body 100 is further provided with a pressure detection hole 106, the pressure detection hole 106 is provided with a pressure detection joint 107, the pressure in the valve body 100 can be directly checked by installing a pressure gauge on the pressure detection joint 107, and the pressure of the valve body 100 can be changed by controlling the cylinder 200.

In order to increase the overall sealing performance of the valve body 100, sealing rings are disposed between the pressure plate 302 and the valve body 100, between the valve sleeve 300 and the valve body 100, and between the valve core 400 and the valve sleeve 300.

During the use, will water supply connector 101 is connected with high-pressure rivers equipment, and water connectors 102 connects the top nozzle, and air inlet connector 202 is connected with the compressor, and its air output of compressor through telecommunications control, pressure detection connects 107 and connects the manometer, and overflow connects 103 and connects the water pipe, controls air output control shower nozzle spun water pressure through the signal of telecommunication, realizes remote control output water pressure size, reduces the potential safety hazard of operation.

The above is only the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and the utility model should be covered in the protection scope of the present invention.

Claims

1. The utility model provides a pneumatic clearance formula overflow air-vent valve which characterized in that: the valve comprises a valve body (100), the valve body (100) is in a cross-shaped four-way shape, a water inlet channel and a water outlet channel of the valve body are through, one end of the other channel perpendicular to the water inlet channel and the water outlet channel is an overflow port, a valve sleeve (300), a valve core (400) and a pressing plate (302) are installed in the channel, the pressing plate (302) is located at the top of the valve sleeve (300), the valve sleeve (300) is provided with a water flow through hole (301) communicated with the water inlet channel and the water outlet channel and an overflow through hole communicated with the overflow port, the overflow through hole (303) is a counter bore, the valve core (400) is installed in the valve sleeve (300), one end of the valve core (400) is matched with the overflow through hole (303) and an overflow gap exists between the valve core and the valve core, the other end of the valve core (400).

2. The pneumatic interstitial overflow pressure regulating valve according to claim 1, wherein: the inner side wall of the valve sleeve (300) where the water flow through hole (301) is positioned is concave outwards.

3. The pneumatic interstitial overflow pressure regulating valve according to claim 1, wherein: the air cylinder (200) comprises an air inlet and a piston (201), the piston (201) is fixedly connected with the top of the valve core (400), and compressed air is conveyed into the air cylinder (200) through the air inlet to control the piston (201) to move downwards so that the valve core (400) is close to the buffer block (104).

4. The pneumatic interstitial overflow pressure regulating valve according to claim 3, wherein: the valve body (100) is provided with an exhaust hole (105), and the exhaust hole (105) is positioned above the pressure plate (302) and below the lower limit position of the piston (201).

5. The pneumatic interstitial overflow pressure regulating valve according to claim 1, wherein: and a buffer block (104) is arranged at the position of the overflow port and is connected with an overflow joint (103).

6. The pneumatic interstitial overflow pressure regulating valve according to claim 1, wherein: the pressure detection valve is characterized in that a pressure detection hole (106) is formed in the valve body (100), and a pressure detection joint (107) is installed on the pressure detection hole (106).

7. The pneumatic interstitial overflow pressure regulating valve according to claim 1, wherein: and sealing rings are arranged between the pressure plate (302) and the valve body (100), between the valve sleeve (300) and the valve body (100) and between the valve core (400) and the valve sleeve (300).