CN218440923U

CN218440923U - High-pressure air opening valve

Info

Publication number: CN218440923U
Application number: CN202222870345.5U
Authority: CN
Inventors: 陈星星; 郭皓; 詹昌吉; 郭秀静; 叶丹丹
Original assignee: Zhejiang Fangzhou Engineering Machinery Equipment Co ltd
Current assignee: Zhejiang Fangzhou Engineering Machinery Equipment Co ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-02-03
Anticipated expiration: 2032-10-27

Abstract

The utility model relates to a high pressure blast gate, the main part is one end open-ended cavity, the lower edge threaded connection of terminal surface forms inclosed inner chamber with the opening of main part on the outer wall of main part opening side under the upper cover, the central authorities of terminal surface are equipped with the cylinder under the upper cover, the inside second inner chamber that is equipped with intercommunication inner chamber of main part, push rod one end is inserted in the inner chamber by main part other end department, with the piston fixed connection in the inner chamber, the cylinder outside cover of terminal surface is established cylindrical spring one end under the upper cover, the cylindrical spring other end is established to piston upper end outside cover, on the terminal surface under the cavity including cylindrical spring drive piston lower extreme ordinary pressure, be equipped with through-hole connection inner chamber central authorities on the main part other end, and pass by push rod one end, the swivel nut inserts in inserting the through-hole by the main part other end, and swivel nut central authorities are equipped with the passageway and pass by push rod one end, the push rod other end is equipped with the seal seat subassembly. The advantages are that: simple structure, non-deformable, effectual isolation dust and spot improve product life, the wearability is good.

Description

High-pressure air opening valve

Technical Field

The utility model relates to a high pressure opens blast gate.

Background

The gas circuit valve is used for adjusting the flow of gas in the pipeline and the flowing direction of the gas. The device comprises a pressure reducing valve, a safety valve, a diaphragm valve, a ball valve, a needle valve, a one-way valve and the like.

The existing gas circuit control valve comprises a valve body, wherein a sealing assembly, a first valve core, a second valve core, a first bushing and a push rod are arranged in the valve body, the first valve core comprises a first end part and a second end part, a gas inlet hole is formed in the first end part, and the gas inlet hole is located at one end close to the sealing assembly. The second valve core is sleeved outside the second end part, and the second end part is abutted against the ejector rod. When switching to final state from initial condition, the first case of ejector pin drive moves, makes inlet port and seal assembly in close contact with, closes inlet channel, then the ejector pin continues to move until with second case butt and drive the second case and move to open the exhaust chamber, with the inside gaseous discharge weak point of valve body lie in: the service life is low, the sealing performance is poor and the abrasion is easy to happen under severe environment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a high-pressure air opening valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a high pressure blast gate, which comprises an upper cover, a main body, the cylinder spring, seal holder subassembly and push rod, the main part is one end open-ended cavity, the lower edge threaded connection of terminal surface forms inclosed inner chamber with the opening of main part on the outer wall of main part opening side under the upper cover, the central authorities of terminal surface are equipped with the cylinder under the upper cover, the inside second inner chamber that communicates the inner chamber that is equipped with of main part, push rod one end is inserted in the inner chamber by main part other end department, with the piston fixed connection in the inner chamber, piston upper end size and the cooperation of second inner chamber inner wall, piston lower extreme outside and inner chamber inner wall sliding seal, remove in second inner chamber and inner chamber through the push rod, cylinder spring one end is established to the cylinder outside cover of terminal surface under the upper cover, the cylinder spring other end is established to piston upper end outside cover, cylinder spring drive piston lower extreme ordinary pressure is on the terminal surface under the inner chamber, be equipped with the through-hole on the main part other end and connect inner chamber central authorities, and pass by one end, the screw seat inserts in inserting the through the main part by the main part other end, and screw seat central authorities are equipped with the passageway and pass by one end, the push rod other end is equipped with seal holder subassembly.

Furthermore, a first through hole is formed in the upper end of the second inner cavity, and a plug is arranged on the upper end face of the upper cover to seal the first through hole.

Furthermore, a thrust washer and an O-shaped ring are laid on the outer side of the cylinder body of the lower end face of the upper cover, and one end of the cylindrical spring abuts against the thrust washer and the O-shaped ring.

Furthermore, an oil seal is sleeved on the outer side of the lower end of the piston and is sealed with the inner wall of the inner cavity.

Furthermore, two vent holes which are arranged up and down are arranged on the side surface of the main body, the vent holes are connected with the inner cavity, and a mounting plate and a sealed plug are arranged on the outer sides of the vent holes.

Furthermore, a nut is arranged at the end, attached to the piston, of the through hole, the center of the nut penetrates through the push rod, the outer ring of the upper end of the nut is provided with an outer edge of the nut, an annular groove is formed in the lower end face of the cavity, and the lower end of the butterfly spring is arranged in the annular groove, abuts against the outer edge of the nut and the lower end face of the piston, and abuts against the outer edge of the nut and the lower end face of the piston.

Further, the push rod is in sliding seal with the channel.

Further, a seat ring is fixed at the lower end of the channel, a spring seat is arranged at the upper end of the seat ring, the lower end of the nut extends into the channel and is attached to one spring seat, and a spring is further arranged between the two spring seats.

Furthermore, a second through hole is formed in one side of the channel.

Furthermore, the other end of the spring seat is also provided with a nylon seat.

The beneficial effects of the utility model are that: simple structure, non-deformable, effectual isolation dust and spot improve product life, the wearability is good.

Drawings

Fig. 1 is a cross-sectional view of the present invention.

Fig. 2 is an exploded view.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings 1-2 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.

Referring to the attached drawings 1-2, a high-pressure air opening valve comprises an upper cover 2, a main body 1, a cylindrical spring 3, a sealing seat assembly 4 and a push rod 5, wherein the main body is a cavity with an opening at one end, the lower edge of the lower end face of the upper cover is in threaded connection with the outer wall of the opening of the main body to form a sealed inner cavity 6, the center of the lower end face of the upper cover is provided with a cylinder 7, the main body is internally provided with a second inner cavity 8 communicated with the inner cavity, one end of the push rod is inserted into the inner cavity from the other end of the main body and is fixedly connected with a piston 9 in the inner cavity, the size of the upper end of the piston is matched with the inner wall of the second inner cavity, the outer side of the lower end of the piston is in sliding seal with the inner wall of the inner cavity, the push rod moves in the second inner cavity and the inner cavity, one end of the cylindrical spring 3 is sleeved on the outer side of the cylinder of the lower end face of the upper cover, the outer side of the piston is sleeved with the other end of the cylindrical spring, the lower end of the piston is normally pressed on the lower end face of the inner cavity, a through hole formed in the lower end of the main body, the through hole is provided with a through hole, one end of the push rod, the sealing seat 10, a channel 11 is formed in the center of the push rod and is formed in the center of the push rod, and the sealing seat. The other end of the push rod is inserted into the sealing seat assembly 4 and fixed by a screw.

A high-pressure air opening valve is characterized in that a first through hole 12 is formed in the upper end of a second inner cavity, and a plug 13 is arranged on the upper end face of an upper cover to seal the first through hole.

A thrust washer 14 and an O-shaped ring 15 are laid on the outer side of a cylinder body of the lower end face of an upper cover, one end of a cylindrical spring abuts against the thrust washer and the O-shaped ring, the guide sealing surface is abraded, and the abrasion resistance is good.

A high-pressure air valve is characterized in that an oil seal 16 is sleeved on the outer side of the lower end of a piston and sealed with the inner wall of an inner cavity.

A high-pressure air valve is characterized in that two vent holes 17 which are vertically arranged are formed in the side face of a main body and are connected with an inner cavity, a mounting plate 18 is arranged on the outer side of each vent hole, and a plug 13 is inserted into each vent hole to fixedly seal each vent hole and is connected with the mounting plate.

A nut 19 is arranged at the end, attached to a piston, of a through hole, the center of the nut is penetrated through by a push rod, the outer ring of the upper end of the nut is provided with an outer edge of the nut, the lower end face of a cavity is provided with an annular groove, and the lower end of a disc spring 20 is arranged in the annular groove, the upper end of the disc spring abuts against the outer edge of the nut and the lower end face of the piston.

A push rod of the high-pressure air opening valve is in sliding seal with a channel.

A seat ring 21 is fixed at the lower end of a channel, a spring seat 22 is arranged at the upper end of the seat ring, the lower end of a nut extends into the channel and is attached to one spring seat, and a spring 23 is further arranged between the two spring seats.

A high-pressure air opening valve is provided, one side of a channel is provided with a second through hole 24.

The other end of the spring seat is provided with a nylon seat 25, and a sealing ring is arranged between the two nylon seats.

A high-pressure air valve is characterized in that a main body and an upper cover are made of aluminum alloy after a heat treatment process, and the performance is more stable.

A high-pressure air valve is characterized in that a plug is removed when the high-pressure air valve is installed and used.

A high-pressure air opening valve is characterized in that a cylindrical spring comprises a cylindrical spring with a larger outer diameter and a cylindrical spring with a smaller outer diameter.

Above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high pressure opens blast gate, includes upper cover, main part, cylinder spring, seal receptacle subassembly and push rod, its characterized in that: the main part is one end open-ended cavity, the lower edge threaded connection of terminal surface forms inclosed inner chamber with the opening of main part on the outer wall of main part opening side under the upper cover, the central authorities of terminal surface are equipped with the cylinder under the upper cover, the inside second inner chamber that is equipped with the intercommunication inner chamber of main part, push rod one end is inserted in the inner chamber by main part other end department, with the piston fixed connection in the inner chamber, piston upper end size and the cooperation of second inner chamber inner wall, piston lower extreme outside and inner chamber inner wall sliding seal, move in second inner chamber and inner chamber through the push rod, the cylinder spring one end is established to the cylinder outside cover of terminal surface under the upper cover, the cylinder spring other end is established to piston upper end outside cover, cylinder spring drive piston lower extreme ordinary pressure is on the terminal surface under the inner chamber, be equipped with the through-hole on the main part other end and connect inner chamber central authorities, and pass by push rod one end, the screw seat inserts in inserting the through-hole by the main part other end, and screw seat central authorities are equipped with the passageway and pass by one end, the push rod other end is equipped with the seal seat subassembly.

2. A high pressure blow-on valve according to claim 1, characterised in that: the upper end of the second inner cavity is provided with a first through hole, and the upper end surface of the upper cover is provided with a plug for sealing the first through hole.

3. A high pressure blow-on valve according to claim 2, characterised in that: and a thrust washer and an O-shaped ring are laid on the outer side of the cylinder body on the lower end face of the upper cover, and one end of the cylindrical spring abuts against the thrust washer and the O-shaped ring.

4. A high pressure blow-on valve according to claim 3, characterised in that: the outer side of the lower end of the piston is sleeved with an oil seal to seal with the inner wall of the inner cavity.

5. The high pressure vent valve according to claim 4, wherein: the side surface of the main body is provided with two vent holes which are arranged up and down, the vent holes are connected with the inner cavity, and the outer sides of the vent holes are provided with mounting plates and sealed plugs.

6. A high pressure blow-on valve according to claim 5, characterised in that: the nut is arranged at the end, attached to the piston, of the through hole, the center of the nut is penetrated through by the push rod, the outer ring of the upper end of the nut is provided with the outer edge of the nut, the lower end face of the cavity is provided with an annular groove, and the lower end of the butterfly spring is arranged in the annular groove, the upper end of the butterfly spring abuts against the outer edge of the nut and the lower end face of the piston.

7. The high pressure vent valve according to claim 6, wherein: the push rod is in sliding seal with the channel.

8. A high pressure blow-on valve according to claim 7, characterised in that: the seat ring is fixed at the lower end of the channel, a spring seat is arranged at the upper end of the seat ring, the lower end of the nut extends into the channel and is attached to one spring seat, and a spring is further arranged between the two spring seats.

9. A high pressure blow-on valve according to claim 8, characterised in that: one side of the channel is provided with a second through hole.

10. A high pressure blow-off valve according to claim 9, characterised in that: the other end of the spring seat is also provided with a nylon seat.