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CN-117569713-B - Airtight quick-opening access door

CN117569713BCN 117569713 BCN117569713 BCN 117569713BCN-117569713-B

Abstract

The application relates to a closed quick-opening access door, which relates to the field of access doors and comprises a mounting plate, a connecting frame and a sealing door, wherein the mounting plate is provided with a maintenance opening, the connecting frame is fixedly connected to the maintenance opening of the mounting plate, the sealing door is used for sealing the connecting frame, a first fixing piece and a second fixing piece for fixing the sealing door are arranged at the mounting plate, a reinforcing base plate is arranged on the side wall, close to the connecting frame, of the sealing door after the sealing door is closed, and a hollow sealing strip is arranged on the reinforcing base plate and can abut against the connecting frame. The application has the effect of reducing the use cost of the sealing strip.

Inventors

  • HU ZHIWEI

Assignees

  • 苏州兆和环能科技有限公司

Dates

Publication Date
20260505
Application Date
20231107

Claims (5)

  1. 1. The airtight quick-opening access door is characterized by comprising a mounting plate (1), a connecting frame (2) and a sealing door (3), wherein a maintenance opening (11) is formed in the mounting plate (1), the connecting frame (2) is fixedly connected to the maintenance opening (11) of the mounting plate (1), the sealing door (3) is used for sealing the connecting frame (2), a first fixing piece (4) and a second fixing piece (5) for fixing the sealing door (3) are arranged at the mounting plate (1), a reinforcing base plate (6) is arranged on the side wall, close to the connecting frame (2), of the sealing door (3), and hollow sealing strips (61) are arranged on the reinforcing base plate (6) and can be abutted against the connecting frame (2); The first fixing piece (4) comprises a first mounting block (41), a first mounting base (42), a connecting rod (43), a first connecting hand wheel (44), a positioning piece (45) and a first connecting plate (46), wherein the first mounting block (41) is connected with the connecting frame (2), the first connecting plate (46) is connected with the first mounting block (41), the connecting rod (43) is rotationally connected with the first connecting plate (46), the connecting rod (43) is rotationally connected with the first mounting block (41), the first mounting base (42) is connected with the sealing door (3), the positioning piece (45) is connected with the first mounting base (42) and used for positioning the connecting rod (43), and the first connecting hand wheel (44) is sleeved on the connecting rod (43) and is in threaded connection with the connecting rod (43). The locating piece (45) comprises a second locating plate (453) and a sleeving ring (454), the second locating plate (453) is connected with the first mounting base (42), the sleeving ring (454) is connected with the second locating plate (453), and the connecting rod (43) can be inserted into the sleeving ring (454); The first fixing piece (4) and the second fixing piece (5) are respectively positioned at two sides of the sealing door (3) in the length direction, the second fixing piece (5) comprises a second mounting block (51), a connecting piece (52), a second connecting plate (53), a second connecting hand wheel (54), a hand wheel rod (55) and an opening pressing block (56), the second mounting block (51) is connected with the connecting frame (2), the second connecting plate (53) is connected with the second mounting block (51), the hand wheel rod (55) is rotationally connected with the second connecting plate (53), the connecting piece (52) is connected with the sealing door (3) and used for fixing the opening pressing block (56), the opening pressing block (56) is provided with a yielding port (561) for inserting the hand wheel rod (55), and the second connecting hand wheel (54) is sleeved on the hand wheel rod (55) and is in threaded connection with the hand wheel rod (55); the side wall department of connecting frame (2) is provided with rotor plate (7), rotor plate (7) rotate and are provided with dwang (71), dwang (71) are provided with synchronizing lever (72), the lateral wall of synchronizing lever (72) is laminated with the lateral wall of connecting frame (2), the lateral wall of synchronizing lever (72) is laminated with the lateral wall of sealing door (3).
  2. 2. The airtight quick access door according to claim 1, wherein the connecting piece (52) comprises a mounting seat (521), a connecting bolt (522) and a connecting base (523), the mounting seat (521) is connected with the sealing door (3), the connecting base (523) is connected with the mounting seat (521), the connecting bolt (522) penetrates through the connecting base (523) and is in threaded connection with the mounting seat (521), and the opening pressing block (56) is connected with the connecting base (523).
  3. 3. The sealed quick access door according to claim 1, wherein the connecting piece (52) comprises a fixed seat (524), the fixed seat (524) is connected with the sealing door (3), and the opening pressing block (56) is connected with the fixed seat (524).
  4. 4. A closed quick access door according to claim 1, wherein the opening block (56) is provided with a fastening bevel (562).
  5. 5. The airtight quick access door of claim 1, wherein the synchronizing rod (72) is provided with a limiting groove (73) along the height direction of the sealing door (3), the limiting groove (73) is internally provided with a limiting rod (74) in an inserted mode, the limiting rod (74) can slide along the length direction of the limiting groove (73), the sealing door (3) is provided with a limiting frame (31) for inserting the limiting rod (74), the inner wall of the limiting frame (31) is mutually matched with the outer wall of the limiting rod (74), the limiting groove (73) is internally provided with an elastic piece (75), one end of the elastic piece (75) is connected with the end wall of the limiting groove (73), and the other end of the elastic piece (75) is connected with the limiting rod (74).

Description

Airtight quick-opening access door Technical Field The application relates to the field of access doors, in particular to a closed quick-opening access door. Background In the preparation process of the large-sized equipment, a space for overhauling is reserved, the access door is a sealing work door for connecting the inside of the large-sized equipment with the outside, when the equipment is normally used, the access door is closed to isolate the equipment from the outside, so that the interference of the external environment to the inside of the equipment is reduced, and when the equipment needs maintenance, the equipment can be inspected and maintained by opening the access door. The existing access door can be attached with sealing strips, after the access door is closed, the access door is abutted against the door frame, the sealing strips are positioned between the access door and the door frame, so that the access door is sealed, the sealing performance of the access door is improved, the extruded sealing strips deform and are difficult to recover, and when the access door is used each time, the new sealing strips need to be replaced, so that improvement is needed. Disclosure of Invention In order to prolong the service life of the sealing strip, the application provides a closed quick-opening access door. The application provides a closed quick-opening access door which adopts the following technical scheme: The utility model provides a airtight quick access door, includes mounting panel, linking bridge and sealing door, the maintenance mouth has been seted up to the mounting panel, linking bridge fixed connection is in the maintenance mouth department of mounting panel, the sealing door is used for sealing the linking bridge, mounting panel department is provided with first mounting and the second mounting that is used for fixing the sealing door, the lateral wall that is close to the linking bridge after the sealing door is closed is provided with the reinforcing backing plate, the reinforcing backing plate is provided with hollow sealing strip, hollow sealing strip can offset with the linking bridge. Through adopting above-mentioned technical scheme, after sealing door passes through first mounting and second mounting is closed, will maintain the mouth and close, when sealing door is closed, hollow sealing strip offsets with the linking frame to take place deformation, after the sealing strip extrusion, will maintain mouthful department and seal for equipment is sealed, simultaneously, hollow sealing strip is preferably the hollow strip of D type, seals more easily, and can rebound, so long service life need not to change the sealing strip after examining and repairing at every turn, has reduced maintenance cost. Preferably, the first fixing piece comprises a first mounting block, a first mounting base, a connecting rod, a first connecting hand wheel, a positioning piece and a first connecting plate, wherein the first mounting block is connected with the connecting frame, the first connecting plate is connected with the first mounting block, the connecting rod is rotationally connected with the first connecting plate, the connecting rod is rotationally connected with the first mounting block, the first mounting base is connected with the sealing door, the positioning piece is connected with the first mounting base and used for positioning the connecting rod, and the first connecting hand wheel is sleeved on the connecting rod and is in threaded connection with the connecting rod. Through adopting above-mentioned technical scheme, laminating sealing door in the junction box department after, the setting element makes the connecting rod fix a position, rotates first connection hand wheel afterwards for first connection hand wheel removes along the length direction of connecting rod, and supports tightly with the setting element, thereby makes sealing door further laminate in the installing frame, and the simple operation, has promoted access door opening and closed convenience and speed. Preferably, the positioning piece comprises a first connecting plate, and the first positioning plate is provided with a first fixing opening for inserting the connecting rod. Through adopting above-mentioned technical scheme, the connecting rod rotates the back, inserts in locating the first fixed mouth of first locating plate department, and the connecting rod offsets with the inner wall of first fixed mouth to fix the connecting rod, rotate first connection hand wheel afterwards, make first connection hand wheel support tightly in first locating plate department, so that sealing door and connecting frame laminating are inseparabler. Preferably, the positioning piece comprises a second positioning plate and a sleeving ring, the second positioning plate is connected with the first mounting base, the sleeving ring is connected with the second positioning plate, and the connecting rod can be inserted into the sleev