Search

CN-122006164-A - Neck connecting device of full-pressure equipment

CN122006164ACN 122006164 ACN122006164 ACN 122006164ACN-122006164-A

Abstract

The application relates to a neck connecting device of a full-pressure equipment, which is characterized in that a helmet connecting ring is connected to a neck opening of a closed helmet in a sealing way, a neck ring component comprises a neck ring and a swivel ring which is rotatably sleeved on the neck ring, a lock component is arranged on the neck ring component and can lock and unlock the swivel ring, the neck sealing component comprises a sealing ring pipe and an inflation module thereof, the garment connecting ring is connected to the neck opening of the full-pressure garment in a sealing way, an outward ring groove I is arranged on the outer side of the helmet connecting ring, a downward ring groove II is arranged on the inner side of the helmet connecting ring, a radial spring pin and an upward ring cutter are arranged on the inner side of the neck ring, the lower end of the helmet connecting ring stretches into the neck ring component and stretches into the ring groove I to realize assembly by the spring pin, the swivel ring can rotate to drive the spring pin to withdraw from and stretch into the ring groove I after unlocking, the upper side of the sealing ring pipe is arranged in the ring groove II and the lower side of the ring cutter after the sealing ring pipe is inflated, and the sealing ring pipe is connected with the ring cutter in a pressing way to realize sealing. The device can realize neck sealing under the full pressure state and the airtight helmet can freely rotate under the non-full pressure state.

Inventors

  • ZHANG ZHIFENG
  • LIU ZIWEI
  • CHEN XUEMEI

Assignees

  • 航宇救生装备有限公司

Dates

Publication Date
20260512
Application Date
20260316

Claims (10)

  1. 1. The neck connecting device of the full-pressure equipment is characterized by comprising a helmet connecting ring, a neck ring component, a lock component, a neck sealing component and a clothing connecting ring, wherein the helmet connecting ring is in sealing connection with a neck opening of a sealed helmet, the neck ring component comprises a neck ring and a rotating ring which is rotatably sleeved on the neck ring, the lock component is arranged on the neck ring component and can lock and unlock the rotating ring, the neck sealing component comprises a sealing ring pipe and an inflation module thereof, the clothing connecting ring is in sealing connection with the neck opening of the full-pressure clothing and is in sealing installation on the neck ring, the outer side of the helmet connecting ring is provided with a ring groove I facing outwards, the inner side of the helmet connecting ring is provided with a ring groove II facing downwards, the inner side of the neck ring is provided with a radial spring pin and an upward ring cut, the lower end of the helmet connecting ring stretches into the neck ring component and stretches into the ring groove I to be assembled by the spring pin, the rotating ring can rotate to drive the spring pin to stretch out of the ring groove I after the rotating ring is unlocked, the upper side of the sealing ring pipe is arranged in the ring groove II, the lower side of the sealing ring pipe faces the ring is in the ring groove, the ring is inflated, and the sealing ring is in pressing connection with the ring.
  2. 2. The neck connecting device of the full-pressure equipment according to claim 1, wherein an upward annular groove III is formed in the upper end of the helmet connecting ring, the opening of the neck of the closed helmet is inserted into the annular groove III and then fixed by a pin, and sealing glue is filled in the annular groove III to realize sealing.
  3. 3. The neck connecting device of claim 1, wherein the outer side of the lower end of the helmet connecting ring is contacted with the inner side surface of the neck ring, and the damping of the rotation of the airtight helmet in the non-full-pressure state after being worn is adjusted by adjusting the roughness of the contact surface.
  4. 4. The neck connecting device of full pressure equipment of claim 1, wherein the inflation module of the sealing ring pipe comprises an inflation pipe with a valve, the inflation pipe is connected with the sealing ring pipe through an air tap, and the valve is an electromagnetic valve or a manual valve.
  5. 5. The neck connecting device of full-pressure equipment according to claim 1, wherein the radially inward end of the spring pin is a pin head, the outward end of the spring pin is a spring I, the pin head and the spring I are arranged in a mounting groove of the neck ring, the spring pin is in an extending state initially and the helmet connecting ring can be directly pressed down for mounting, a synchronizing piece is arranged on the upper side of the middle part of the pin head, a protrusion with a circumferentially variable section is arranged on the inner side of the swivel, the protrusion is in contact with the synchronizing piece and does not interfere with the helmet connecting ring, the protrusion can drive the pin head to gradually retract through the synchronizing piece when the swivel rotates in an unlocking direction, and the pin head gradually extends under the action of the spring I when the swivel rotates in a locking direction.
  6. 6. The neck connecting device of the full compression equipment of claim 5, wherein the neck ring is assembled by an upper neck ring and a lower neck ring, the mounting groove is arranged at the inner ring of the top surface of the lower neck ring, the upper neck ring is arranged on the top surface of the lower neck ring and covers the spring pin, the upper neck ring is provided with a radial straight hole, and the synchronizing piece passes through the straight hole upwards.
  7. 7. The full-pressure equipment neck connecting device according to claim 1, wherein the lock assembly comprises a lock shell arranged on the outer side of the swivel, a lock pin and a second spring are arranged in the lock shell, a button is arranged on the upper side of the outer portion of the lock shell, the lock pin is in sliding fit with the lock shell in the radial direction and aligned with lock holes on the lock shell and the neck ring, the second spring acts on the lock pin in the radial direction, the button is in sliding fit with the lock shell in the vertical direction and acts on the lock pin, the lock pin initially passes through the lock holes on the lock shell and the neck ring, and the lock pin can be driven to withdraw from the lock holes on the neck ring by overcoming the force of the second spring when the button is pressed down.
  8. 8. The neck connecting device of full-pressure equipment of claim 7, wherein the lock shell is formed by assembling a shell and a cover body, a lock hole and a shell through hole are formed in the inner side face of the shell, the shell through holes are formed in two sides of the lock hole, the cover body covers the missing top face and the outer side face of the shell, a connecting rod is arranged on the lock pin, connecting rod through holes are formed in two sides of the lock pin, a guide hole is formed in the top face of the cover body, a mounting hole is formed in the side face of the cover body, a guide screw sequentially penetrates through the corresponding shell through hole, the corresponding connecting rod through hole and the corresponding spring II and then is mounted on the mounting hole, the button is in sliding fit in the guide hole, and the lower end of the button acts on the connecting rod through an arc face.
  9. 9. The neck connecting device of claim 7, wherein the positioning seat is arranged on the outer side of the neck ring, the rotating ring is provided with a circumferential hole, the positioning seat passes through the circumferential hole without interference, and the lock shell is limited by the positioning seat in the initial stage.
  10. 10. The full compression outfit neck attachment of claim 1, wherein the garment attachment ring is sealed to the full compression garment neck opening by a gasket seal and secured by screws.

Description

Neck connecting device of full-pressure equipment Technical Field The application relates to full-pressure equipment, in particular to a neck connecting device of the full-pressure equipment. Background The full-pressure equipment needs to establish an absolute gas-tight space inside the equipment to ensure that the pressure of personnel is normal, and no external gas and the like enter the equipment except the oxygen supply gas special for breathing. For the full-pressure equipment, the neck position of the full-pressure equipment is connected with a closed helmet and a lower full-pressure garment, so that the closed helmet is completely fixed after being arranged on the neck position, cannot rotate, cannot ensure the free rotation and normal observation of the neck in a non-full-pressure state, and is very inconvenient. Disclosure of Invention The application aims to provide a neck connecting device of full-pressure equipment, which can be rapidly switched to a state, can realize neck sealing in a full-pressure state, and can freely rotate a closed helmet in a non-full-pressure state, and the closed helmet is convenient to assemble and disassemble. The technical scheme adopted by the application is as follows: The neck connecting device of the full-pressure equipment comprises a helmet connecting ring, a neck ring component, a lock component, a neck sealing component and a clothing connecting ring, wherein the helmet connecting ring is in sealing connection with a neck opening of a sealed helmet, the neck ring component comprises a neck ring and a swivel rotatably sleeved on the neck ring, the lock component is arranged on the neck ring component and can lock and unlock the swivel, the neck sealing component comprises a sealing ring pipe and an inflation module thereof, the clothing connecting ring is in sealing connection with the neck opening of the full-pressure clothing and is arranged on the neck ring in a sealing manner, an outward annular groove I is arranged on the outer side of the helmet connecting ring, a downward annular groove II is arranged on the inner side of the helmet connecting ring, a radial spring pin and an upward annular groove are arranged on the inner side of the neck ring, the lower end of the helmet connecting ring stretches into the neck ring component and stretches into the annular groove I to realize assembly by the spring pin, the swivel can rotate to drive the spring pin to withdraw and stretch into the annular groove I after unlocking, the upper side of the sealing ring pipe is arranged in the annular groove II and the lower side of the annular groove, the sealing ring is inflated, and the sealing ring is in a pressing manner with the annular groove. Preferably, the upper end of the helmet connecting ring is provided with an upward annular groove III, the opening of the neck of the closed helmet is inserted into the annular groove III and then fixed through a pin, and the annular groove III is filled with sealant to realize sealing. Preferably, the outer side of the lower end of the helmet connecting ring is contacted with the inner side surface of the neck ring, and the damping of rotation of the airtight helmet in a non-full-pressure state after being worn is adjusted by adjusting the roughness of the contact surface. Preferably, the inflation module of the sealing ring pipe comprises an inflation pipe with a valve, the inflation pipe is connected with the sealing ring pipe through an air tap, and the valve is an electromagnetic valve or a manual valve. Preferably, the radial inward end of the spring pin is a pin head, the outward end of the spring pin is a spring I, the pin head and the spring I are arranged in a mounting groove of the neck ring, the spring pin is in an extending state and the helmet connecting ring can be directly pressed down for mounting at the beginning, a synchronizing piece is arranged on the upper side of the middle part of the pin head, a protrusion with a circumferentially variable cross section is arranged on the inner side of the swivel, the protrusion is in contact with the synchronizing piece and does not interfere with the helmet connecting ring, the protrusion can drive the pin head to retract gradually through the synchronizing piece when the swivel rotates in the unlocking direction, and the pin head extends gradually under the action of the spring I when the swivel rotates in the locking direction. Preferably, the neck ring is assembled by an upper neck ring and a lower neck ring, the mounting groove is arranged at the inner ring of the top surface of the lower neck ring, the upper neck ring is arranged on the top surface of the lower neck ring and covers the spring pin, a radial straight hole is arranged on the upper neck ring, and the synchronizing piece upwards penetrates out of the straight hole. Preferably, the lock assembly comprises a lock shell arranged on the outer side of the swivel, a lock pin and a second spring are arrange