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CN-117661967-B - Air-tight door

CN117661967BCN 117661967 BCN117661967 BCN 117661967BCN-117661967-B

Abstract

The invention discloses an airtight door, which relates to the technical field of airtight doors and particularly comprises a driving structure and a door body, wherein the driving structure comprises a fixed box, a synchronous belt is arranged in an inner cavity of the fixed box, the door body is fixedly connected with a synchronous belt, two ends of the outer side of the translation plate are movably connected with supporting rollers, a metal round rod matched with the supporting rollers is fixedly connected in the inner cavity of the fixed box, a positioning groove is formed in one side of the bottom end of the translation plate, and two positioning structures matched with the positioning groove are arranged at one end of the fixed box, which is far away from the metal round rod. Compared with the prior art that a groove is arranged on a metal round rod to limit the door body, the air-tight door has the advantages that the positioning structure is utilized to limit the door body, the requirement on a driving structure can be reduced, and the driving structure is convenient to work.

Inventors

  • XIA XINGUO

Assignees

  • 江苏德普尔门控科技有限公司

Dates

Publication Date
20260508
Application Date
20231218

Claims (5)

  1. 1. The airtight door comprises a driving structure and a door body (2), and is characterized in that the driving structure comprises a fixed box (1), a synchronous belt (9) is arranged in an inner cavity of the fixed box (1), the door body (2) is fixedly connected with the synchronous belt (9) through a translation plate (11), two ends of the outer side of the translation plate (11) are movably connected with a supporting roller (13), a metal round rod (14) matched with the supporting roller (13) is fixedly connected in the inner cavity of the fixed box (1), a positioning groove is formed in one side of the bottom end of the translation plate (11), two positioning structures (12) matched with the positioning groove are arranged at one end, far away from the metal round rod (14), of the fixed box (1), a signal generator (19) is fixed at one side, far away from the supporting roller (13), of the fixed box (1), and two signal receivers (10) matched with the signal generator (19) are fixed at one side, far away from the supporting roller (13); the two ends of the bottom of the door body (2) are movably connected with travelling wheels (4), the door body (2) is in contact with the ground through the travelling wheels (4), a groove (23) is formed in the middle of the bottom of the door body (2), a lower sealing block (22) is connected in an inner cavity of the groove (23) through an electric telescopic rod (24), and a sealing structure (5) is fixed on the inner side of the lower sealing block (22); The sealing structure (5) comprises a sealing cover (25), wherein a supporting frame (26) is fixedly connected to the middle part of an inner cavity of the sealing cover (25), the supporting frame (26) is fixedly connected with the top end of the inner side of a lower sealing block (22), one side, far away from a door body (2), of the supporting frame (26) and one side, close to the door body (2) are respectively connected with an extrusion plate (28) through springs (30), the extrusion plates (28) are fixedly connected with the sealing cover (25), the extrusion plates (28) are fixedly connected with the front surface or the back surface of the sealing cover (25), the front surface or the back surface of the sealing cover (25) is of a hollow structure, a pressure sensor (31) is fixedly arranged in the inner cavity of the front surface or the back surface of the sealing cover (25), the extrusion plates (28) are movably connected with the supporting frame (26) through positioning columns (29), and electromagnets (27) are embedded on the supporting frame (26), and the electromagnets (27) are magnetically attracted with the extrusion plates (28) under the electrified state; When the signal receiver (10) receives the signal sent by the signal generator (19), the positioning structure (12) is aligned with the positioning groove, one positioning structure (12) and one signal receiver (10) are arranged at the door opening position, and the other positioning structure (12) and the other signal receiver (10) are arranged at the door closing position; The positioning structure (12) comprises a fixed block (16) fixedly connected with the inner wall of the fixed box (1), a connecting rod (20) is fixedly connected with the bottom end of the other side of the fixed block (16), a positioning block (17) matched with a positioning groove is movably sleeved on the outer ring of the connecting rod (20), an electromagnet I (21) is fixed on the top end of the other side of the fixed block (16), and an electromagnet II (18) is fixed on the top end of one side, close to the fixed block (16), of the positioning block (17).
  2. 2. The airtight door of claim 1, wherein two ends of the inner cavity of the fixed box (1) are movably connected with synchronous wheels (6), the two synchronous wheels (6) are in transmission connection through a synchronous belt (9), a controller (8) and a servo motor (7) are fixedly connected in the inner cavity of the fixed box (1), and the tail end of an output shaft of the servo motor (7) is connected with the synchronous wheels (6).
  3. 3. The airtight door according to claim 1, wherein a supporting frame (15) is fixedly connected in the inner cavity of the fixed box (1), a limiting groove matched with the synchronous belt (9) is formed in the supporting frame (15), and the synchronous belt (9) is movably connected with the inner cavity of the limiting groove.
  4. 4. An airtight door according to claim 1, characterized in that an infrared sensor (3) is provided on one side of the door body (2).
  5. 5. An airtight door according to claim 1, characterized in that the side wall of the sealing cap (25) is wavy, the bottom of the sealing cap (25) being flush with the bottom of the lower sealing block (22).

Description

Air-tight door Technical Field The invention relates to the technical field of airtight doors, in particular to an airtight door. Background The airtight door is a translational suit door integrating airtightness, sound insulation, heat preservation, compression resistance, dust prevention, fire prevention and radiation protection, is generally used in places with high requirements on sound insulation, heat insulation and airtightness, such as hospitals, food factories and industrial plants, and generally adopts a small-size and high-power direct-current carbon brush-free motor, and can run for a long time without faults even if frequently opened and closed, and the periphery of the door body is provided with vacuum airtight rubber strips, so that the door can be tightly matched with a door frame to achieve a reliable airtight effect when the door is closed. The working principle of the airtight door in the prior art is that a driving device is used for driving a roller connected with a door to move on a metal round bar, the roller is sunk in a groove arranged on the metal round bar after the door is in place, the door is prevented from being shifted, but the type of airtight door can enable the driving device to require larger driving force in a starting stage when in use, the requirement on the driving device is higher, the airtight door in the prior art adopts an inflatable air bag to realize the sealing between a door body and a wall body, when the door is closed, the inflatable air bag is inflated by using equipment such as an air pump to realize the sealing between the door body and the wall body, and when the door is opened, the air bag is deflated, but when the airtight door is in use, the inflatable air bag is high in inflation and deflation frequency, the inflatable air bag is easy to generate the phenomenon that the door body cannot be reset due to fatigue aging and the like, and the movement and the sealing of the door body are influenced. Disclosure of Invention The invention provides an airtight door, which solves the problems that the prior art has higher requirements on a driving device by arranging a groove on a metal round bar to limit the airtight door, and the air bag is adopted to seal a gap between a door body and a wall body, so that the air bag is easy to fatigue and can not reset due to frequent air inflation and deflation, and the movement and sealing of the door body are influenced. The invention provides a gas-tight door which comprises a driving structure and a door body, wherein the driving structure comprises a fixed box, a synchronous belt is arranged in an inner cavity of the fixed box, the door body is fixedly connected with a synchronous belt through a translation plate, two ends of the outer side of the translation plate are movably connected with supporting rollers, a metal round rod matched with the supporting rollers is fixedly connected in the inner cavity of the fixed box, a positioning groove is formed in one side of the bottom end of the translation plate, two positioning structures matched with the positioning groove are formed in one end of the fixed box, far away from the metal round rod, of the fixed box, a signal generator is fixed on one side, far away from the supporting rollers, of the fixed box, and two signal receivers matched with the signal generator are fixed on one side, far away from the supporting rollers, of the fixed box; the two ends of the bottom of the door body are movably connected with travelling wheels, the door body is contacted with the ground through the travelling wheels, a groove is formed in the middle of the bottom of the door body, a lower sealing block is connected in an inner cavity of the groove through an electric telescopic rod, and a sealing structure is fixed on the inner side of the lower sealing block; The sealing structure comprises a sealing cover, a supporting frame is fixedly connected to the middle of an inner cavity of the sealing cover, the supporting frame is fixedly connected with the top end of the inner side of a lower sealing block, an extruding plate is connected to one side, far away from a door body, of the supporting frame and one side, close to the door body, of the supporting frame through springs, the extruding plate is fixedly connected with the sealing cover, the extruding plate is movably connected with the supporting frame through a positioning column, an electromagnet III is inlaid on the supporting frame, and the electromagnet III is attracted with the extruding plate in a magnetic mode under an electrified state. Preferably, both ends of the inner cavity of the fixed box are movably connected with synchronous wheels, the two synchronous wheels are connected through a synchronous belt in a transmission way, a controller and a servo motor are fixedly connected in the inner cavity of the fixed box, and the tail end of an output shaft of the servo motor is connected with the synchronous wheels. Prefera