CN202469105U

CN202469105U - Special automatic pressure release valve for rescue capsule

Info

Publication number: CN202469105U
Application number: CN2012200495157U
Authority: CN
Inventors: 赵春雨; 吕艳玲; 王欣宇; 李威; 张楠; 王伟; 刘肖
Original assignee: LIAONING ZHUOYI MANUFACTURING Co Ltd
Current assignee: LIAONING ZHUOYI MANUFACTURING Co Ltd
Priority date: 2012-02-16
Filing date: 2012-02-16
Publication date: 2012-10-03
Anticipated expiration: 2022-02-16

Abstract

The utility model provides a special automatic pressure release valve for a rescue capsule, which can be used for releasing excess gas out of a cabin and preventing harmful gas entering the cabin from the outside at the same time. The special automatic pressure release valve is characterized in that the valve body is a circular tube; an inner end cover is arranged at the port of the inner end of the valve body; an air outlet is arranged in the inner end cover; the outer surface of the inner end of the valve body is of a concave stop opening shape; a thread on the outer surface of the concave stop opening is matched with a lock nut; the surface of an inner cavity of an outer end of the valve body is of a convex stop opening shape; a valve clack base, a plugging plate and an outer end cover are sequentially arranged on the convex stop opening; ventilating holes are arranged in the plugging plate and the outer end cover; the valve clack base is shaped like a round box; ventilating holes are arranged on the valve clack base, namely the inner box cover and the outer box cover of the round box; a round valve clack is arranged inside the cavity of the round box; a locating pin fixes the circle centre of the round valve clack at the circle centre of the inner box cover of the round box, and the round valve clack covers all ventilating holes on the inner box cover.

Description

The Special Automatic Decompression valves of rescue capsule

Technical field

The utility model relates to a kind of valve, is the Special Automatic Decompression valves of rescue capsule specifically.

Background technique

In mine, being provided with and using mining rescue capsule, is an important measures in the mine emergency management and rescue.When security incident such as blasting under the mine, what the miners of down-hole at first received is the threat of harmful gas, presses for one on the rescue capsule and can release, stop simultaneously unnecessary gas in the cabin out of my cabin that harmful gas gets into the automatic decompression valve in the cabin.

Summary of the invention

For solving the problems of the technologies described above, the utility model provides a kind of rescue capsule Special Automatic Decompression valves.

The purpose of the utility model is achieved in that valve body is tubular shape, and it has two ends, and an end is positioned at rescue capsule outer (to call in the following text out of my cabin); Cry the outer end, the other end is named the inner end in (to call in the following text in the cabin) in the rescue capsule; The port of valve body inner end has the inner end lid, has covered air outlet hole in the inner end; Valve body inner end outer surface is recessed seam shape; Screw thread on the outer surface of this recessed seam cooperates with locking nut, and recessed seam is used for from inserting the cinclides of wearing of rescue capsule bulkhead out of my cabin; Screw on the seam in the cabin with locking nut again, the utility model is installed and is locked on the bulkhead; Valve body outer end surface of internal cavity is male half coupling shape, on male half coupling, sets gradually flap seat, jam and outer end cap, wherein on jam and the outer end cap vent is arranged all, and it is box-like that the flap seat is circle, on two lids in inside and outside of the promptly round box of flap seat, vent is set all; The circle box has circular flap in the chamber, and locating stud is fixed on the center of circle of circular flap on the center of circle of lid in the round box, and circular flap covers all vents on the lid of lining.

When the atmospheric pressure in the cabin during greater than out of my cabin air pressure and exceedance; The vent of lid in the air outlet hole that gas in the cabin covers through the inner end successively, body cavity and the flap seat; Under the effect of this air pressure, the vent of lining lid is opened in the flap distortion; Gas gets into the promptly round box chamber of flap seat inner chamber, is discharged to out of my cabin from the vent of outer lid and outer end cap successively again.This process is called positive draft.Otherwise when the pressure in the cabin during less than out of my cabin pressure, gas gets into circle box chamber from the vent of outer end cap and outer lid successively out of my cabin, is lived by the flap shelves, and promptly flap is closed, with gas barrier out of my cabin in out of my cabin.

Compared with prior art, the good effect of the utility model is: it releases unnecessary gas in the cabin automatically, stops simultaneously in the cabin of harmful gas entering out of my cabin, ensures hedging personnel's safety.

Description of drawings

Fig. 1 is the schematic representation of the utility model;

Fig. 2 is the enlarged view of flap seat among Fig. 1;

Fig. 3 is the right elevation of Fig. 2.

Embodiment

Referring to Fig. 1,2, valve body 3 is tubular shape, and the port of valve body inner end has inner end lid 4, has covered air outlet hole 41 in the inner end; Valve body inner end outer surface is recessed seam shape; Screw thread on the outer surface of this recessed seam cooperates with locking nut 5, and recessed seam is used for from inserting the cinclides of wearing of rescue capsule bulkhead out of my cabin; Screw on the seam in the cabin with locking nut again, the utility model is installed and is locked on the bulkhead; Valve body outer end surface of internal cavity is male half coupling shape; On male half coupling, set gradually flap seat 7, jam 2 and outer end cap 1; Jam vent 21 is wherein arranged on the jam, outer end cap vent 11 is arranged on the outer end cap, it is box-like that the flap seat is circle; Lid vent 711 in lid 71 is provided with in the promptly round box of flap seat is provided with vent 721 on the outer lid 72; The circle box has circular flap 6 in the chamber; Locating stud 8 is fixed on the center of circle of circular flap on the center of circle of lid in the round box; Circular flap covers all 711 holes of ventilating on the lid of lining; The method that covers is: lid all vents in (referring to Fig. 3) lining are arranged on the circumference, and the diameter of this circumference is less than the diameter of flap.

Claims

1. Special Automatic Decompression valves of rescue capsule, it is characterized in that: valve body is tubular shape, and it has two ends, and an end is positioned at outside the rescue capsule, cries the outer end, and the other end is named the inner end in rescue capsule, and the port of valve body inner end has the inner end lid, has covered air outlet hole in the inner end; Valve body inner end outer surface is recessed seam shape, and the screw thread on the outer surface of this recessed seam cooperates with locking nut; Valve body outer end surface of internal cavity is male half coupling shape, on male half coupling, sets gradually flap seat, jam and outer end cap, wherein on jam and the outer end cap vent is arranged all, and it is box-like that the flap seat is circle, on two lids in inside and outside of the promptly round box of flap seat, vent is set all; The circle box has circular flap in the chamber, and locating stud is fixed on the center of circle of circular flap on the center of circle of lid in the round box, and circular flap covers all vents on the lid of lining.