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CN-122014921-A - Sealing device applied to nuclear submarines

CN122014921ACN 122014921 ACN122014921 ACN 122014921ACN-122014921-A

Abstract

The invention discloses a sealing device applied to a nuclear submarine, which relates to the sealing field and comprises a sealing sleeve inserted into a penetrating hole in the submarine, wherein a plurality of inner sealing rings are embedded and assembled on the inner side of the sealing sleeve, the inner sealing rings are annularly distributed on the inner wall of the sealing sleeve, one end of the sealing sleeve is fixed on the inner wall of a submarine cabin through an upper cornice, an annular embedded groove is formed in the outer side of the connecting position of the sealing sleeve and the upper cornice, and an outer sealing ring is embedded and installed in the embedded groove. The invention realizes the high-efficiency sealing at the penetrating hole through the design of the inner and outer dual inflatable sealing rings, and in the installation stage, the inner sealing ring is contracted by reducing the air pressure in the inner sealing ring, so that the smooth passing of components or circuits is facilitated, the friction damage is avoided, and after the installation is finished, the inner sealing ring is inflated and tightly wrapped by the passing piece to form a multiple sealing structure, thereby greatly improving the sealing reliability.

Inventors

  • QI MIN

Assignees

  • 江苏伊顿航天材料股份有限公司

Dates

Publication Date
20260512
Application Date
20260325

Claims (10)

  1. 1. The utility model provides a sealing device for nuclear submarine is applied to in the isolated perforation hole of submarine inside and outside needs, its characterized in that, it includes interlude seal cover (1) of installing in the perforation hole in the submarine, the inboard of seal cover (1) is inlayed and is established and be equipped with a plurality of interior sealing rings (5), a plurality of interior sealing rings (5) are the inner wall that annular distributes at seal cover (1), the one end of seal cover (1) is fixed at submarine storehouse inner wall through last eaves board (2), seal cover (1) with annular gomphosis groove (17) have been seted up in the hookup location outside of eaves board (2), outer sealing ring (16) are inlayed to gomphosis groove (17) are installed.
  2. 2. The sealing device applied to the nuclear submarine according to claim 1, wherein the inner sealing ring (5) adopts a hollow structure, a circle of first sealing parts (500) are annularly arranged on the inner side of the inner sealing ring (5), the first sealing parts (500) are elastic, the first sealing parts (500) can be contracted in the inner sealing ring (5) when the internal air pressure of the inner sealing ring (5) is lower than a set value, and the inner sealing ring (5) protrudes outwards and extends to the inner side of the sealing sleeve (1) when the internal air pressure of the inner sealing ring (5) is higher than the set value, so that components or lines penetrating through the inner part of the sealing sleeve (1) are wrapped.
  3. 3. The sealing device for the nuclear submarine according to claim 2, wherein a communication air pipe (14) is installed in the sealing sleeve (1) in a penetrating mode along the length direction, the communication air pipe (14) sequentially penetrates through the inner sealing rings (5) from top to bottom, and air holes (140) are formed in the communication air pipe (14) and located in the inner portion of each inner sealing ring (5), so that the inner portion of the communication air pipe (14) is communicated with the inner portion of each inner sealing ring (5).
  4. 4. A sealing device for a nuclear submarine according to claim 3, wherein a top plate (3) is arranged at the top of the sealing sleeve (1), a cover sleeve (4) is arranged on the surface of the top plate (3) at the position of the communication air pipe (14), a main air pipe (7) is arranged inside the cover sleeve (4), and a sealing cover (8) is sleeved at the top of the main air pipe (7).
  5. 5. The sealing device for the nuclear submarine according to claim 4, wherein an air passage control part (9) is arranged on one side of the main air pipe (7), a sliding groove (901) is formed in the upper surface of the air passage control part (9) along the radial direction of the main air pipe (7), a sealing plate (904) is slidably mounted in the sliding groove (901), a slider (903) is mounted above the sealing plate (904), and a spring (902) is arranged between the slider (903) and the inner wall of the sliding groove (901).
  6. 6. The sealing device applied to the nuclear submarine according to claim 4, wherein a cavity is formed in one end of the sealing sleeve (1), a high-pressure air chamber (12) is formed in the cavity, the high-pressure air chamber (12) is internally communicated with the inside of the main air pipe (7), the top end of the communication air pipe (14) extends to the inside of the high-pressure air chamber (12), an air hole (140) is formed in the position, located in the inside of the high-pressure air chamber (12), of the top end of the communication air pipe (14), a sliding sleeve (15) is sleeved on the top of the communication air pipe (14) in a sliding mode, the sliding sleeve (15) can slide along the length direction of the communication air pipe (14), the sliding sleeve (15) can cover the air hole (140) in a wrapping mode when sliding to the position of the air hole (140), a sliding frame (13) is connected to the sliding sleeve (15), a micro air cylinder (6) is further arranged in the inside of the cover sleeve (4), and the micro air cylinder (6) extends to the inside of the high-pressure air chamber (12) and is connected with the sliding frame (13).
  7. 7. The sealing device for the nuclear submarine according to claim 6, wherein two communicating air pipes (14) are arranged, the end parts of the two communicating air pipes (14) are located in the high-pressure air chamber (12), sliding sleeves (15) on the two communicating air pipes (14) are connected through a sliding frame (13), and the micro air cylinder (6) is located in the middle of the sliding frame (13).
  8. 8. The sealing device for a nuclear submarine according to claim 6, wherein the outer sealing ring (16) adopts a hollow structure, the part of the outer sealing ring (16) exposed outside the embedded groove is a second sealing part (160), the second sealing part (160) has elasticity, so that the second sealing part (160) can be contracted inside the outer sealing ring (16) when the internal air pressure of the outer sealing ring (16) is lower than a set value, and the outer sealing ring (16) protrudes outwards and extends to the outer side of the sealing sleeve (1) when the internal air pressure of the outer sealing ring (16) is higher than the set value, and a sealing structure is formed between the outer side of the sealing sleeve (1) and a penetrating hole of the submarine.
  9. 9. Sealing arrangement for nuclear submarines according to claim 8, characterized in that the inner sealing ring (5) and the outer sealing ring (16) are internally provided with pressure sensors (501).
  10. 10. The sealing device for a nuclear submarine according to claim 8, wherein the main air pipe (7) is internally divided into an inner air passage (701) and an outer air passage (702), the top of the inner air passage (701) is communicated with the top of the outer air passage (702), the bottom of the inner air passage (701) is communicated with the inside of the high-pressure air chamber (12), the bottom of the outer air passage (702) is communicated with the inside of the outer sealing ring (16) through a connecting pipe (10), the sealing plates (904) are provided with two sealing plates (904), and the two sealing plates (904) can be used for sealing the inner air passage (701) and the outer air passage (702) respectively through sliding.

Description

Sealing device applied to nuclear submarines Technical Field The invention relates to the field of sealing devices, in particular to a sealing device applied to a nuclear submarine. Background Nuclear submarines are known as important strategic equipment, and numerous penetrating holes exist between the internal equipment and the external environment for the passage of lines and pipelines. The sealing properties of these penetration holes are directly related to the overall safety and concealment of the submarine, and once the seal fails, it may lead to even more serious accidents of sea water infiltration, pressure imbalance. Meanwhile, after long-term use, the sealing material is easy to age and deform, so that the sealing performance is reduced, the sealing state is difficult to monitor in real time, the potential leakage risk cannot be found in time, in addition, when the air pressure of the sealing ring is reduced due to tiny leakage, the manual operation is often needed to supplement the air pressure, the maintenance process is tedious and the response is not timely, and the long-term stable operation requirement of the nuclear submarine under the high-requirement environment is difficult to be met. Disclosure of Invention Object of the invention In view of the above, the present invention aims to provide a sealing device for a nuclear submarine, which realizes efficient sealing at a penetration hole by means of the design of an inner and outer double inflatable sealing ring. After the installation, the inner sealing ring is inflated and tightly wrapped by the penetrating piece to form a multiple sealing structure, so that the sealing reliability is greatly improved, and meanwhile, the inflation of the outer sealing ring can fill the gap between the sealing sleeve and the penetrating hole, so that the overall sealing performance is further enhanced. (II) technical scheme In order to achieve the technical aim, the invention provides a sealing device applied to a nuclear submarine, which is applied to a penetrating hole which is needed to be isolated inside and outside the submarine, and comprises a sealing sleeve which is installed in the penetrating hole in the submarine in a penetrating way, wherein a plurality of inner sealing rings are embedded and assembled on the inner side of the sealing sleeve, the inner sealing rings are distributed on the inner wall of the sealing sleeve in a ring shape, one end of the sealing sleeve is fixed on the inner wall of a submarine cabin through an upper cornice, an annular embedded groove is formed in the outer side of the connecting position of the sealing sleeve and the upper cornice, and an outer sealing ring is embedded and installed in the embedded groove. According to the technical scheme, the inner sealing ring is of a hollow structure, a circle of first sealing part is annularly arranged on the inner side of the inner sealing ring, the first sealing part is elastic, the first sealing part can be contracted in the inner sealing ring when the internal air pressure of the inner sealing ring is lower than a set value, the inner sealing ring protrudes outwards and extends to the inner side of the sealing sleeve when the internal air pressure of the inner sealing ring is higher than the set value, members or circuits penetrating through the sealing sleeve are wrapped, the device can change the shape of the first sealing part by controlling the internal air pressure of the inner sealing ring, and therefore the device can be used for more smoothly and conveniently penetrating the members or the circuits, and sealing is maintained after penetrating and installing. According to the technical scheme, the sealing sleeve is characterized in that the connecting air pipes are installed in the sealing sleeve in a penetrating mode along the length direction, the connecting air pipes sequentially penetrate through the inner sealing rings from top to bottom, air holes are formed in the connecting air pipes and located in the inner sealing rings, the inner parts of the connecting air pipes are communicated with the inner parts of the inner sealing rings, the inner sealing rings can be inflated or exhausted through the connecting air pipes, the air pressure in the inner parts of the connecting air pipes is changed, and the air pressure in the inner parts of the inner sealing rings is controlled. According to the technical scheme, the sealing sleeve is characterized in that the top of the sealing sleeve is provided with the top plate, the surface of the top plate is positioned at the position of the communicating air pipe, the cover sleeve is provided with the main air pipe inside, the top of the main air pipe is sleeved with the sealing cover, and the main air pipe is connected with the external air pump to inflate or inhale the inside of the inner sealing ring, so that the change of the air pressure in the inner sealing ring is realized. According to the technical scheme, the