CN-224214941-U - Pressure adjusting device for ship cabin ventilation pipeline

Abstract

The utility model belongs to the technical field of pressure adjusting devices, and in particular relates to a pressure adjusting device for a ship cabin ventilating duct, which comprises a ventilating duct, wherein the inner wall of the ventilating duct is fixedly connected with four sliding sleeves, and the sliding sleeves penetrate through the inner wall of the ventilating duct, each sliding sleeve is connected with a sliding pin in a sliding manner, and the tail ends of the sliding pins are fixedly connected with arc nozzles. According to the utility model, the four identical arc nozzles are arranged on the inner side of the ventilating duct, the arc nozzles are sealed through the sealing film and the connecting film, and each arc nozzle is provided with the sliding pin extending to the outside of the ventilating duct and is provided with the spring.

Inventors

• LIU ZHENPENG
• Wei Lianyuan
• LIU WEI
• KONG MING
• DU ZONGCHANG
• DING ZHIMIN
• JIANG SHIYUE
• GUO SHUYUAN
• WANG DESHAN

Assignees

• 蓬莱中柏京鲁船业有限公司

Dates

Publication Date

20260508

Application Date

20250528

Claims (6)

1. 1. A pressure regulating device for a ship cabin ventilation pipeline comprises a ventilation pipeline (1) and is characterized in that four sliding sleeves (9) are fixedly connected to the inner wall of the ventilation pipeline (1), the sliding sleeves (9) penetrate through the inner wall of the ventilation pipeline (1) and are each provided with a sliding pin (4) in a sliding mode, the tail ends of the sliding pins (4) are fixedly connected with arc nozzles (3), retaining rings (5) are fixedly connected to pin bodies of the sliding pins (4), springs I (6) are sleeved on the outer sides of the pin bodies of the sliding pins (4), one ends of the springs I (6) are fixedly connected with the retaining rings (5), the other ends of the springs I (6) are fixedly connected to the inner wall of the ventilation pipeline (1), adjusting sleeves (7) are connected to the outer sides of the ventilation pipeline (1) through threads, the adjusting sleeves (7) are in interference with the sliding pins (4), and locking mechanisms (8) are jointly arranged between the adjusting sleeves (7) and the ventilation pipeline (1).
2. 2. The pressure regulating device for the ship cabin ventilating duct is characterized in that sealing films (2) are fixedly connected between wide mouths of the four arc mouths (3), and the sealing films (2) are fixedly connected to the inner wall of the ventilating duct (1).
3. 3. A pressure regulating device for a ship cabin ventilation duct according to claim 1, characterized in that a connecting film (31) is fixedly connected between two adjacent arc nozzles (3).
4. 4. A pressure regulating device for a ship cabin ventilation duct according to claim 1, characterized in that the inner ring wall of the sliding sleeve (9) is provided with balls (10), and the balls (10) are slidably connected with the sliding pin (4).
5. 5. The pressure regulating device for the ship cabin ventilating duct according to claim 1, wherein the locking mechanism (8) comprises a locking disc (81) fixedly connected to the outer wall of the ventilating duct (1), a locking pin (82) is slidably connected to the inside of the regulating sleeve (7), the locking pin (82) is inserted into the locking disc (81), a second spring (83) is arranged in the regulating sleeve (7), one end of the second spring (83) is fixedly connected with the locking pin (82), and the other end of the second spring (83) is fixedly connected to the inner surface of the regulating sleeve (7).
6. 6. A pressure regulating device for a ship cabin ventilation duct according to claim 5, characterized in that a deflector rod (84) is fixedly connected to the pin body of the locking pin (82), and the deflector rod (84) is slidingly connected with the regulating sleeve (7).

Description

Pressure adjusting device for ship cabin ventilation pipeline Technical Field The utility model relates to the technical field of pressure adjusting devices, in particular to a pressure adjusting device for a ship cabin ventilating duct. Background The utility model discloses a pressure regulating device for an air conditioner ventilating duct of a ship cabin, which comprises a ventilating duct, wherein an air inlet duct is arranged in the ventilating duct, a supporting ring is arranged at the right end of the air inlet duct, a baffle plate is arranged on the right side of the supporting ring, a connecting block is fixedly connected to the bottom of the baffle plate, the baffle plate is arranged in the ventilating duct, a return spring is used for pushing the baffle plate leftwards to push the baffle plate to move by utilizing the return spring, when the wind pressure is large, the right end of the air inlet duct is opened by pushing the baffle plate rightwards, the wind pressure generated by exhaust is released, the wind pressure balance in the ventilating duct is kept, the pressure is conveniently regulated, and the buffer ring and a buffer pad are matched for use. However, the existing pressure adjusting device for the ship cabin ventilating duct is arranged in the ventilating duct, is inconvenient to operate, is easy to loosen after being adjusted, and is not stable enough. Therefore, improvements are needed. Disclosure of utility model The utility model aims to provide a pressure regulating device for a ship cabin ventilating duct, which solves the problems that the existing pressure regulating device for the ship cabin ventilating duct is arranged in the ventilating duct, is inconvenient to operate, is easy to loosen after being regulated and is unstable. The pressure regulating device for the ship cabin ventilating duct comprises a ventilating duct, wherein four sliding sleeves are fixedly connected to the inner wall of the ventilating duct and penetrate through the inner wall of the ventilating duct, sliding pins are slidably connected to the inner portion of each sliding sleeve, arc nozzles are fixedly connected to the tail ends of the sliding pins, retaining rings are fixedly connected to pin bodies of the sliding pins, a first spring is sleeved on the outer side of each pin body of the sliding pin, one end of the first spring is fixedly connected with each retaining ring, the other end of the first spring is fixedly connected to the inner wall of the ventilating duct, regulating sleeves are connected to the outer side of the ventilating duct through threads and abut against the sliding pins, and locking mechanisms are arranged between the regulating sleeves and the ventilating duct. Preferably, sealing films are fixedly connected between the wide mouths of the four arc mouths together, and are fixedly connected to the inner wall of the ventilating duct. The periphery of each arc nozzle is provided with a sealing function through the arrangement of the sealing film. Preferably, the connecting films are fixedly connected between two adjacent arc nozzles. By the arrangement of the connecting films, the sealing effect is achieved on the area between the arc nozzles. Preferably, the inner ring wall of the sliding sleeve is provided with balls, and the balls are in sliding connection with the sliding pin. Through the arrangement of the balls, the relative friction force between the sliding pin and the sliding sleeve can be reduced. Preferably, the locking mechanism comprises a locking disc fixedly connected to the outer wall of the ventilating duct, a locking pin is slidably connected to the inside of the adjusting sleeve, the locking pin is inserted into the locking disc, a second spring is arranged in the adjusting sleeve, one end of the second spring is fixedly connected with the locking pin, and the other end of the second spring is fixedly connected to the inner surface of the adjusting sleeve. Through the setting of locking mechanism, have the locking effect to the adjusting collar to the regulation to sliding pin and circular arc mouth provides stability. Preferably, a deflector rod is fixedly connected to the pin body of the locking pin, and the deflector rod is in sliding connection with the adjusting sleeve. Through the setting of driving lever, be convenient for pull the locking pin. Compared with the prior art, the utility model has the following beneficial effects: 1. According to the utility model, the four identical arc nozzles are arranged on the inner side of the ventilating duct, the arc nozzles are sealed through the sealing film and the connecting film, and each arc nozzle is provided with the sliding pin extending to the outside of the ventilating duct and is provided with the spring. 2. According to the utility model, the locking mechanism is arranged between the adjusting sleeve and the ventilating duct, after the adjusting sleeve is screwed and adjusted, the adjusting sleeve can