Sealing device for door

Abstract

The utility model discloses a sealing device for a door. The sealing device comprises a test box, a communicating pipe, a control valve, a mounting plate, a fixing plate, a vacuum pump, a connecting pipe, a hydraulic cylinder, a sucker, a door plate, a sealing ring, a limiter, a detection pipe and a pressure gauge, the ship sea chest air tightness detection device is reasonable and simple in structure, low in production cost, convenient to install and complete in function, and effective vacuum treatment of the overall air tightness of the ship sea chest can be carried out through the fixed plate, the vacuum pump and the connecting pipe, so that the air tightness condition of the ship sea chest can be detected; according to the utility model, a door plate can be adsorbed through the arranged hydraulic cylinder and the sucker, so that the influence on tightness detection caused by displacement is prevented; by means of the rotating shaft, the connecting plate and the pressing plate, the door plate can be effectively limited from the upper portion, and the displacement phenomenon is prevented.

Description

Technical field:

[0001] The utility model relates to the field of ship doors, in particular to a door sealing device. Background technology:

[0002] The seabed door is an opening located on the bottom outer plate of the ship, which is connected to a seawater tank inside. The seawater tank is connected to the seawater main pipe for sucking in clean seawater for use by the ship.

[0003] The tightness test of the perimeter weld of the ship's seabed door is often unable to complete the airtightness test of the door panel alone due to the complex structure and the large number of pipes. In addition, the door panel in the existing device is prone to displacement during the airtightness test, resulting in poor detection effect. Therefore, a door tightness device is proposed. Utility model content:

[0004] The purpose of the utility model is to provide a door tightness device in order to solve the above-mentioned problems, which solves the problem that the tightness test of the perimeter weld of the ship's seabed door is often unable to complete the airtightness test of the door panel alone due to the complex structure and the large number of pipes, and the door panel in the existing device is prone to displacement during the airtightness test, resulting in poor detection effect.

[0005] In order to solve the above problems, the utility model provides a technical solution: a door tightness device, including a test box, a connecting pipe, a control valve, a mounting plate, a fixing plate, a vacuum pump, a connecting pipe, a hydraulic cylinder, a suction cup, a door plate, a sealing ring, a limiter, a detection tube and a pressure gauge; a connecting pipe is connected in the end wall at the lower left side of the test box; a control valve is connected in the end wall above the connecting pipe; a mounting plate is fixedly connected at the middle end of the inner chamber of the test box; a fixing plate is fixedly connected at the bottom right end of the test box; the upper end of the fixing plate A vacuum pump is fixedly connected, and one end of a connecting pipe is connected to the input end of the vacuum pump, and the other end of the connecting pipe is connected to the center of the upper end of the mounting plate; hydraulic cylinders are fixedly connected to both sides of the upper end of the mounting plate, and a suction cup is fixedly connected to the output end of the hydraulic cylinder; sealing rings are provided on both sides of the upper end of the test box, and a door panel is connected to the sealing ring; suction cups are connected to both sides of the bottom end of the door panel; limiters are provided on both sides of the upper end of the test box; a detection tube is connected to the end wall at the upper right end, and a pressure gauge is connected to the right side of the detection tube.

[0006] Preferably, the vacuum pump is an oil-free screw vacuum pump.

[0007] Preferably, the suction cup is an electromagnetic suction cup.

[0008] Preferably, the specific structure of the limiter is: it includes a rotating shaft, a connecting plate and a pressure plate; the rotating shaft is connected to both sides of the upper end of the test box; the connecting plate is fixedly connected to the inner side of the upper end of the rotating shaft, and the connecting plates are hinged on both sides of the upper end of the test box through the rotating shaft; and the pressure plates are fixedly connected to the bottom ends of both sides of the upper end of the test box.

[0009] Preferably, the rotation angle of the rotating shaft is 0 to 180°.

[0010] Preferably, anti-slip grooves are provided on the bottom end of the pressing plate.

[0011] Beneficial effects of the utility model:

[0012] (1) The utility model has a reasonable and simple structure, low production cost, convenient installation, and complete functions. Through the set fixing plate, vacuum pump and connecting pipe, the overall air tightness of the ship's seabed door can be effectively vacuumed to detect the air tightness of the ship's seabed door.

[0013] (2) The utility model can adsorb the door panel by means of the hydraulic cylinder and the suction cup to prevent displacement and thus affect the tightness detection.

[0014] (3) The utility model can effectively limit the door panel from above to prevent displacement by providing a rotating shaft, a connecting plate and a pressure plate. Description of the drawings:

[0015] Figure 1 It is a structural schematic diagram of the utility model.

[0016] Figure 2 It is a partial enlarged view of the utility model.

[0017] Figure 3 It is a structural schematic diagram of the limiter of the utility model.

[0018] 1-test box; 2-connecting pipe; 3-control valve; 4-mounting plate; 5-fixing plate; 6-vacuum pump; 7-connecting pipe; 8-hydraulic cylinder; 9-suction cup; 10-door panel; 11-sealing ring; 12-limiter; 13-rotating shaft; 14-connecting plate; 15-pressure plate; 16-detection tube; 17-pressure gauge. Specific implementation method:

[0019] like Figures 1 to 3As shown, this specific embodiment adopts the following technical scheme: a door tightness device, including a test box 1, a connecting pipe 2, a control valve 3, a mounting plate 4, a fixing plate 5, a vacuum pump 6, a connecting pipe 7, a hydraulic cylinder 8, a suction cup 9, a door panel 10, a sealing ring 11, a stopper 12, a detection tube 16 and a pressure gauge 17; the connecting pipe 2 is connected in the end wall at the lower left side of the test box 1; the control valve 3 is connected in the upper end wall of the connecting pipe 2; the mounting plate 4 is fixedly connected at the middle end of the inner chamber of the test box 1; the fixing plate 5 is fixedly connected at the bottom end of the right side of the test box 1; the upper end of the fixing plate 5 is fixedly connected to the vacuum pump 6, the input end of the vacuum pump 6 is connected to one end of the connecting pipe 7, and the other end of the connecting pipe 7 is connected to The center of the upper end of the mounting plate 4; the overall air tightness of the ship's seabed door can be effectively vacuumed; hydraulic cylinders 8 are fixedly connected on both sides of the upper end of the mounting plate 4, and suction cups 9 are fixedly connected to the output ends of the hydraulic cylinders 8; the door panel can be adsorbed to prevent displacement and thus affect the tightness detection; sealing rings 11 are provided on both sides of the upper end of the test box 1, and door panels 10 are connected to the sealing rings 11; suction cups 9 are connected on both sides of the bottom end of the door panel 10; thereby effectively preventing the door panel 10 from being located; limiters 12 are provided on both sides of the upper end of the test box 1; a detection tube 16 is connected to the end wall at the upper right end, and a pressure gauge 17 is connected to the right side of the detection tube 16; the overall air tightness can be monitored.

[0020] Wherein, the vacuum pump 6 is an oil-free screw vacuum pump; and the suction cup 9 is an electromagnetic suction cup.

[0021] like Figures 1 to 3 As shown, the specific structure of the limiter 12 is: it includes a rotating shaft 13, a connecting plate 14 and a pressure plate 15; the rotating shaft 13 is connected to both sides of the upper end of the test box 1; the connecting plate 14 is fixedly connected to the inner side of the upper end of the rotating shaft 13, and the connecting plates 14 are hinged on both sides of the upper end of the test box 1 through the rotating shaft 13; the pressure plates 15 are fixedly connected to the bottom ends of both sides of the upper end of the test box 1; limiting from the top to prevent displacement.

[0022] The rotation angle of the rotating shaft 13 is 0-180°; and the bottom end of the pressing plate 15 is provided with anti-slip grooves.

[0023] The usage status of the utility model is: the utility model has a reasonable and simple structure, low production cost, easy installation, and complete functions. When in use, the door panel 10 is first placed on the sealing rings 11 on both sides, and then the rotating shafts 13 on both sides are rotated to limit the door panel 10, and the hydraulic cylinders 8 on both sides below are started to drive the suction cups 9 to be adsorbed on both sides of the bottom of the door panel 10 to effectively prevent the door panel 10 from being located. Finally, the vacuum pump 6 is started to make the connecting pipe 7 draw a vacuum state to the upper chamber, and the overall air tightness can be detected by the set detection tube 16 and pressure gauge 17.

[0024] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0025] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0026] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which shall fall within the scope of the utility model to be protected. The scope of protection of the utility model shall be defined by the attached claims and their equivalents.

[0027] The control method of the present invention is to control by manually starting and closing the switch. The wiring diagram of the power element and the provision of power supply are common knowledge in the field, and the present invention is mainly used to protect mechanical devices, so the present invention will not explain the control method and wiring arrangement in detail.

Claims

1. A door tightness device, characterized in that: It comprises a test box (1), a connecting pipe (2), a control valve (3), a mounting plate (4), a fixing plate (5), a vacuum pump (6), a connecting pipe (7), a hydraulic cylinder (8), a suction cup (9), a door plate (10), a sealing ring (11), a stopper (12), a detection tube (16) and a pressure gauge (17); A connecting pipe (2) is connected to the end wall at the lower left side of the test box (1); A control valve (3) is connected to the upper end wall of the connecting pipe (2); A mounting plate (4) is fixedly connected to the middle end of the chamber of the test box (1); A fixing plate (5) is fixedly connected to the bottom end of the right side of the test box (1); The upper end of the fixed plate (5) is fixedly connected to a vacuum pump (6), the input end of the vacuum pump (6) is connected to one end of a connecting pipe (7), and the other end of the connecting pipe (7) is connected to the center of the upper end of the mounting plate (4); The upper ends of the mounting plate (4) are fixedly connected to hydraulic cylinders (8) on both sides, and the output ends of the hydraulic cylinders (8) are fixedly connected to suction cups (9); Sealing rings (11) are provided on both sides of the upper end of the test box (1), and a door panel (10) is connected to the sealing ring (11); Suction cups (9) are connected to both sides of the bottom end of the door panel (10); The test box (1) is provided with stoppers (12) on both sides of the upper end; A detection tube (16) is connected to the end wall at the upper right end, and a pressure gauge (17) is connected to the right side of the detection tube (16).

2. The door sealing device according to claim 1, characterized in that: The vacuum pump (6) is an oil-free screw vacuum pump.

3. The door sealing device according to claim 1, characterized in that: The suction cup (9) is an electromagnetic suction cup.

4. The door sealing device according to claim 1, characterized in that: The specific structure of the stopper (12) is as follows: it includes a rotating shaft (13), a connecting plate (14) and a pressing plate (15); The upper ends of the test box (1) are connected to rotating shafts (13) on both sides; A connecting plate (14) is fixedly connected to the inner side of the upper end of the rotating shaft (13), and connecting plates (14) are hingedly connected to both sides of the upper end of the test box (1) via the rotating shaft (13); Pressing plates (15) are fixedly connected to the bottom ends of both sides of the upper end of the test box (1).

5. The door sealing device according to claim 4, characterized in that: The rotation angle of the rotating shaft (13) is 0 to 180 degrees.

6. The door sealing device according to claim 4, characterized in that: The bottom end of the pressing plate (15) is provided with anti-slip grooves.

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