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CN-224228759-U - Ignition agent filling or discharging tool for ignition agent storage box

CN224228759UCN 224228759 UCN224228759 UCN 224228759UCN-224228759-U

Abstract

The utility model discloses an ignition agent filling or discharging tool for an ignition agent storage box, which belongs to the technical field of ignition agent filling or discharging of ignition agent storage boxes, and comprises two fixing nuts, two threaded sleeves, two first check rings, two first sealing rings, two second check rings, two second sealing rings, two rotating shafts, two shells, two outer sleeve nuts and a storage box, wherein the fixing nuts are in threaded connection with one end of the rotating shafts, one end of each fixing nut is in lap joint with the threaded sleeve, the threaded sleeve is sleeved outside the rotating shafts, and the threaded sleeve is in threaded connection with the outer shell; the utility model realizes the work content of filling or discharging the ignition agent in the oxygen environment, solves the problem of high requirement on the skill of operators, greatly improves the operation efficiency compared with the traditional technology, ensures the safe and reliable operation process, is simple to operate, thoroughly isolates the air and avoids the safety accident caused by the combustion of the ignition agent contacting the air.

Inventors

  • WU FENG
  • WEN TIAN
  • HE WEITAO
  • QI HAOJIE
  • WANG XIAOGANG

Assignees

  • 北京中科宇航技术有限公司

Dates

Publication Date
20260512
Application Date
20250516

Claims (10)

  1. 1. The ignition agent filling or discharging tool for the ignition agent storage box comprises two fixing nuts (1), two threaded sleeves (2), two first check rings (3), two first check rings (4), two second check rings (5), two second check rings (6), two rotating shafts (7), two outer shells (8), two outer sleeve nuts (9) and one storage box (11), and is characterized in that the fixing nuts (1) are in threaded connection with one end of the rotating shafts (7), one end of each fixing nut (1) is in lap joint with the corresponding threaded sleeve (2), the threaded sleeve (2) is sleeved outside the corresponding rotating shaft (7), the threaded sleeve (2) is in threaded connection with the corresponding outer shell (8), the corresponding first check ring (3), the corresponding second check ring (4), the corresponding second check ring (5) and the corresponding second check ring (6) are all arranged between the corresponding rotating shaft (7) and the corresponding outer shell (8), the outer sleeve nuts (9) are in threaded connection with one end of the corresponding storage box (11), the corresponding storage box (11) is provided with one end of the corresponding first storage box (10) and one end of the corresponding second storage box (12) is arranged in the corresponding valve core (12).
  2. 2. An ignition agent filling or discharging tool for an ignition agent tank according to claim 1, characterized in that said screw sleeve (2) comprises an external hexagonal (22), said external hexagonal (22) being internally provided with internal threads (21) and tetragonal holes (23).
  3. 3. The ignition agent filling or discharging tool for an ignition agent storage tank according to claim 1, wherein the rotary shaft (7) comprises a square column (72), rotary shaft external threads (71) are arranged outside the square column (72), the square column (72) is connected with a character head (76) through a round column (73), and a first sealing groove (74) and a second sealing groove (75) are arranged outside the round column (73).
  4. 4. An ignition agent filling or discharging tool for an ignition agent tank according to claim 3, wherein said square column (72) is fitted in said square hole (23), and said screw sleeve (2) is overlapped with one end of said housing (8).
  5. 5. An ignition agent filling or discharging tool for an ignition agent tank according to claim 1, wherein the outer side of said outer shell (8) is provided with an outer shell external thread (81), and said screw sleeve (2) is screwed outside the outer shell external thread (81).
  6. 6. An ignition agent filling or discharging tool for an ignition agent tank according to claim 1, characterized in that the jacketing nut (9) is rotatably connected to one end of the housing (8).
  7. 7. An ignition agent charging or discharging tool for an ignition agent tank according to claim 1, wherein said first retainer ring (3) is overlapped with said first seal ring (4), said first retainer ring (3) and said first seal ring (4) are provided in a first seal groove (74), said second retainer ring (5) is overlapped with said second seal ring (6), and said second retainer ring (5) and said second seal ring (6) are provided in a second seal groove (75).
  8. 8. The ignition agent filling or discharging tool for the ignition agent storage tank according to claim 1, wherein U-shaped grooves (101) are formed in tail ends of the first storage tank valve core (10) and the second storage tank valve core (12), valve core sealing surfaces I (102) are formed in the other ends of the first storage tank valve core (10) and the second storage tank valve core (12), valve core flow channels (104) and a plurality of through holes (103) are formed in the first storage tank valve core (10) and the second storage tank valve core (12), and two straight heads (76) are inserted into the U-shaped grooves (101).
  9. 9. The ignition agent filling or discharging tool for an ignition agent storage tank according to claim 8, wherein a storage tank (11) inlet is formed in the top end of the storage tank (11), a storage tank (11) outlet is formed in the bottom end of the storage tank (11), a storage tank sealing surface I (111) and a storage tank sealing surface II (112) are respectively arranged in the storage tank (11) inlet and the storage tank (11) outlet, a storage tank valve core I (10) and a storage tank valve core II (12) are respectively arranged in the storage tank (11) inlet and the storage tank (11) outlet, and the storage tank sealing surface I (111) and the storage tank sealing surface II (112) are respectively overlapped with the two valve core sealing surfaces I (102).
  10. 10. An ignition agent charging or discharging tool for an ignition agent tank according to claim 9, wherein the upper housing (8) communicates with the inlet of the tank (11) through a spool flow passage (104) and a through hole (103) in the spool one (10), and the outlet of the tank (11) communicates with the lower housing (8).

Description

Ignition agent filling or discharging tool for ignition agent storage box Technical Field The utility model belongs to the technical field of filling or discharging an ignition agent from an ignition agent storage tank, and particularly relates to an ignition agent filling or discharging tool for the ignition agent storage tank. Background At present, the ignition agent in the ignition agent storage tank is used for starting the aerospace liquid oxygen kerosene engine, severe combustion can be generated when the ignition agent contacts with air, great safety risks exist when the ignition agent is filled or discharged, the ignition agent needs to be filled into the ignition agent storage tank in advance, and unused residual ignition agent is discharged from the storage tank after test run; In the conventional filling or discharging of the ignition agent, the ignition agent storage tank is required to be placed in a closed space filled with inert gas, and an operator operates a filling and discharging system to fill or discharge the ignition agent in an operation room, so that the oxygen concentration requirement on the operation environment is extremely high, the operation cost is high, the skill requirement of the operator is high, the operation time is long, and an ignition agent filling or discharging tool for the ignition agent storage tank is required to solve the problems. Disclosure of utility model The present utility model is directed to an ignition agent filling or discharging tool for an ignition agent tank, which solves the above-mentioned problems of the related art. The technical scheme is that the ignition agent filling or discharging tool for the ignition agent storage box comprises two fixing nuts, two threaded sleeves, two first check rings, two first seal rings, two second seal rings, two rotating shafts, two shells, two outer sleeve nuts and a storage box, wherein the fixing nuts are in threaded connection with one end of the rotating shafts, one ends of the fixing nuts are in lap joint with the threaded sleeves, the threaded sleeves are sleeved outside the rotating shafts, the threaded sleeves are in threaded connection with the outer shells, the first check rings, the second check rings and the second seal rings are all arranged between the rotating shafts and the shells, the outer sleeve nuts are arranged outside the shells, the outer sleeve nuts are in threaded connection with one ends of the storage box, the first storage box valve core and the second storage box valve core are arranged in the storage box, and one ends of the two rotating shafts are respectively arranged in the first storage box valve core and the second storage box valve core. As a preferred embodiment, the screw sleeve includes an outer hexagonal shape in which an internal thread and a square hole are formed. As a preferred implementation mode, the rotary shaft comprises a square column, a rotary shaft external thread is arranged outside the square column, the square column is connected with a character head through a round column, and a first sealing groove and a second sealing groove are formed outside the round column. As a preferred embodiment, the square column is sleeved in the square hole, and the screw sleeve is overlapped with one end of the shell. As a preferred implementation mode, the outer shell is externally provided with outer shell external threads, and the threaded sleeve is in threaded connection with the outer shell external threads. As a preferred embodiment, the jacketing nut is rotatably connected to one end of the housing. As a preferred implementation mode, the first check ring is overlapped with the first sealing ring, the first check ring and the first sealing ring are arranged in the first sealing groove, the second check ring is overlapped with the second sealing ring, and the second check ring and the second sealing ring are arranged in the second sealing groove. As a preferred implementation mode, U-shaped grooves are formed in the tail ends of the first tank valve core and the second tank valve core, valve core sealing surfaces I are formed in the other ends of the first tank valve core and the second tank valve core, valve core flow channels and a plurality of through holes are formed in the first tank valve core and the second tank valve core, and two straight heads are inserted into the U-shaped grooves. As a preferred embodiment, the top end of the storage tank is provided with a storage tank inlet, the bottom end of the storage tank is provided with a storage tank outlet, the storage tank inlet and the storage tank outlet are respectively provided with a storage tank sealing surface I and a storage tank sealing surface II, the storage tank valve core I and the storage tank valve core II are respectively arranged in the storage tank inlet and the storage tank outlet, and the storage tank sealing surface I and the storage tank sealing surface II are respectively overlapped with the