Anti-locking double-leaf protective air-tight door
By using casters and support blocks in the double-leaf protective airtight door, combined with tilting baffles and anti-jamming mechanisms, the problems of the airtight door sagging and getting stuck by debris are solved, thus achieving reliable closure of the airtight door.
Patent Information
- Application Number
- CN202423264792.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Existing double-leaf protective airtight doors are prone to sagging and deformation when left open for extended periods, or become jammed by debris or particles in the door frame, preventing the door from closing properly.
It uses casters and support blocks to provide support, the baffle is designed to avoid the accumulation of debris, and the anti-jamming mechanism ensures that the sealed door closes smoothly. This is achieved through the coordinated work of components such as baffle, fixing block, torsion spring and sliding block.
It effectively prevents the sealed door from sagging and deforming due to gravity and getting stuck by debris, ensuring that the sealed door can close smoothly after being opened for a long time, thus improving the reliability and safety of the door.
Smart Images
Figure CN223908095U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of double-leaf protective sealed door, concretely relates to a double-leaf protective sealed door of preventing jam. BACKGROUND
[0002] Double-leaf protective sealed door is a kind of special design safety device, mainly used in the place needing high protection, such as facilities, nuclear power station or biological laboratory etc..It has the structure of two doors of preventing poison, water or isolating chemistry, is usually used in the part of access passage.Double-leaf protective sealed door in prior art will appear sagging deformation when being opened for a long time, so that the sealed door is jammed when being closed, and the granular impurities on the door frame of double-leaf protective sealed door will also cause the sealed door to be jammed and unable to be closed when being closed.Therefore, the double-leaf protective sealed door of preventing jam is provided by the person skilled in the art to solve the problems in the above background. CONTENT OF UTILITY MODEL
[0003] To solve the above technical problems, the utility model provides a double-leaf protective sealed door of preventing jam, which comprises a door frame and a sealed door, the sealed doors are symmetrically arranged in the door frame, the rear end of the sealed door is rotatably connected to the door frame by a hinge, a plurality of supporting blocks are installed at the rear end of the sealed door, universal wheels are installed at the lower end of the supporting blocks, and the universal wheels contact the ground, a back-shaped sealing strip is installed on the inner wall of the door frame, a hidden groove is formed in the bottom of the door frame, and two anti-jamming mechanisms are arranged in the hidden groove.
[0004] Preferably, the anti-jamming mechanism comprises a baffle and a fixed block, the rear end surface of the baffle is arc-shaped, notches are symmetrically formed in the rear end of the baffle, a fixed shaft is installed in the notches, the fixed shaft is rotatably connected to the fixed block, the fixed block is fixedly connected to the inner bottom of the hidden groove, torsion springs are symmetrically sleeved on the outer surface of the fixed shaft, one end of the torsion spring is fixedly connected to the inner wall of the notch, and the other end of the torsion spring is fixedly connected to the fixed block.
[0005] Preferably, a cavity is arranged in the baffle, a movable rod is slidably connected in the cavity, a plurality of springs are installed at the rear end of the movable rod, a matching plate is installed at the front end of the movable rod, the matching plate passes through the front end of the baffle, a matching rod is installed at the front end of the matching plate, and the front end surface of the matching rod is beveled.
[0006] Preferably, a back-shaped cloth is installed between the matching rod and the baffle, and the back-shaped cloth is located outside the matching plate.
[0007] Preferably, a recess is formed in the front end of the matching rod, a sliding block is rotatably connected in the recess, sliding grooves are symmetrically formed in the front wall of the hidden groove and the rear end of the back-shaped sealing strip, two guide rods are installed in the sliding grooves, the sliding block is sleeved on the outer surface of the two guide rods, springs are sleeved on the outer surface of the guide rods, and the springs are located below the sliding block.
[0008] The utility model has the following technical effects and advantages:
[0009] The utility model discloses a support block and universal wheel provide support force for the sealing door, make sealing door not be influenced by the gravity of suspension and be deformed after long -time opening, simultaneously, when sealing door opens, the baffle is the inclined setting, make the particle impurities that fall to the baffle all roll down, make it unable to stay on the baffle, avoid appearing the situation that sealing door is stuck and cannot close because of particle impurities. BRIEF DESCRIPTION OF DRAWINGS
[0010] Fig. 1 It is the structural schematic diagram of the utility model of this application;
[0011] Fig. 2 It is the structural schematic diagram of the anti - jamming mechanism of the utility model of this application;
[0012] Fig. 3 It is the structural schematic diagram of the baffle of the utility model of this application;
[0013] Fig. 4 It is the structural schematic diagram of the hidden slot of the utility model of this application;
[0014] In the drawing:
[0015] 1, door frame;2, sealing door;3, support block;4, universal wheel;5, back type sealing strip;6, hidden slot;7, anti - jamming mechanism;8, baffle;9, recess;
[0016] 10, fixed block;11, fixed shaft;12, torsion spring;13, cavity;14, moving rod;15, cooperation rod;16, cooperation plate;17, spring one;18, back type cloth;19, recess;
[0017] 20, sliding slot;21, guide rod;22, sliding block;23, spring two. DETAILED DESCRIPTION
[0018] The utility model discloses further detailed explanation in combination with the specific embodiment and the drawing. The embodiment of the utility model is given for example and description, and is not exhaustive or limit the utility model to the disclosed form. Many modifications and changes are obvious to those skilled in the art. The embodiment is selected and described to better illustrate the principle and practical application of the utility model, and make those skilled in the art understand the utility model to design various embodiments with various modifications suitable for specific use.
[0019] Please refer to Figs. 1-4In this embodiment, a kind of anti-stuck double-leaf protective sealed door is provided, including door frame 1 and sealing door 2, the sealing door 2 is symmetrically arranged in the door frame 1, the rear end of sealing door 2 is rotatably connected to door frame 1 by hinge, a plurality of support blocks 3 are installed on the rear end of sealing door 2, universal wheel 4 is installed on the lower end of support block 3, and universal wheel 4 contacts ground, back-shaped sealing strip 5 is installed on the inner wall of door frame 1, hidden groove 6 is formed in the bottom of door frame 1, two anti-stuck mechanisms 7 are arranged in hidden groove 6, anti-stuck mechanism 7 includes baffle 8 and fixed block 10, the rear end surface of baffle 8 is arc surface, notches 9 are symmetrically formed in the rear end of baffle 8, fixed shaft 11 is installed in notches 9, fixed block 10 is rotatably connected to the outer surface of fixed shaft 11, and fixed block 10 is fixedly connected to the bottom of hidden groove 6, torsion spring 12 is symmetrically sleeved on the outer surface of fixed shaft 11, one end of torsion spring 12 is fixedly connected to the inner wall of notches 9, the other end of torsion spring 12 is fixedly connected to fixed block 10, cavity 13 is arranged in baffle 8, movable rod 14 is slidably connected to cavity 13, a plurality of spring 17 are installed on the rear end of movable rod 14, cooperation plate 16 is installed on the front end of movable rod 14, and cooperation plate 16 penetrates through the front end of baffle 8, cooperation rod 15 is installed on the front end of cooperation plate 16, the front end surface of cooperation rod 15 is inclined surface, back-shaped cloth 18 is installed between cooperation rod 15 and baffle 8, and back-shaped cloth 18 is located on the outer side of cooperation plate 16, recess 19 is formed in the front end of cooperation rod 15, sliding block 22 is rotatably connected to recess 19, sliding groove 20 is symmetrically formed in the front wall of hidden groove 6 and the rear end of back-shaped sealing strip 5, two guide rods 21 are installed in sliding groove 20, and sliding block 22 is sleeved on the outer surface of two guide rods 21, spring 23 is sleeved on the outer surface of guide rod 21, and spring 23 is located below sliding block 22.
[0020] The working principle of the utility model is: when sealing door 2 is opened, support force is provided by universal wheel 4 and support block 3, so that sealing door 2 does not sag and deform after being opened for a long time, and at the same time, when sealing door 2 is opened, baffle 8 is inclined, so that particles falling on baffle 8 roll down, so that they cannot stay on baffle 8, avoiding the situation that sealing door 2 is stuck and cannot be closed due to particles, when sealing door 2 is closed, the lower end of sealing door 2 pushes and drives baffle 8 to rotate around fixed shaft 11, so that baffle 8 is placed in hidden groove 6, at the same time, sliding block 22 descends and compresses spring 23 outside guide rod 21, at the same time, cooperation rod 15 moves and drives cooperation plate 16 to move, so that movable rod 14 moves and compresses spring 17, so that the closing of sealing door 2 is completed.
[0021] Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art and related fields without creative labor shall belong to the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application, if not specially described and limited, are implemented according to the conventional means in the art.
Claims
1. A double-leaf security door with anti-stuck function, comprising a door frame (1) and a sealing door (2), characterized in that, The door frame (1) is internally symmetrical to the sealing door (2), the rear end of the sealing door (2) is rotatably connected to the door frame (1) through a hinge, a plurality of supporting blocks (3) are installed at the rear end of the sealing door (2), universal wheels (4) are installed at the lower ends of the supporting blocks (3), and the universal wheels (4) contact the ground, a back-shaped sealing strip (5) is installed on the inner wall of the door frame (1), a hidden groove (6) is formed in the bottom of the door frame (1), and two anti-jamming mechanisms (7) are arranged in the hidden groove (6).
2. The dual-leaf security door of claim 1, wherein, The anti-jamming mechanism (7) comprises a baffle (8) and a fixed block (10), the rear end surface of the baffle (8) is arc-shaped, notches (9) are symmetrically formed at the rear end of the baffle (8), fixed shafts (11) are installed in the notches (9), the fixed shafts (11) are rotatably connected to the fixed blocks (10) on the outer surfaces, and the fixed blocks (10) are fixedly connected to the inner bottom of the hidden groove (6), torsion springs (12) are symmetrically sleeved on the outer surfaces of the fixed shafts (11), one end of each torsion spring (12) is fixedly connected to the inner wall of the notch (9), and the other end of each torsion spring (12) is fixedly connected to the fixed block (10).
3. The dual-leaf security door of claim 2, wherein, A cavity (13) is arranged in the baffle (8), a moving rod (14) is slidably connected in the cavity (13), a plurality of spring I (17) are installed at the rear end of the moving rod (14), a matching plate (16) is installed at the front end of the moving rod (14), the matching plate (16) passes through the front end of the baffle (8), a matching rod (15) is installed at the front end of the matching plate (16), and the front end surface of the matching rod (15) is beveled.
4. The dual-leaf security door of claim 3, wherein, A back-shaped cloth (18) is installed between the matching rod (15) and the baffle (8), and the back-shaped cloth (18) is located outside the matching plate (16).
5. The dual-leaf security door of claim 3, wherein, A recess (19) is formed at the front end of the matching rod (15), a sliding block (22) is rotatably connected in the recess (19), a sliding groove (20) is symmetrically formed in the front wall of the hidden groove (6) and the rear end of the back-shaped sealing strip (5), two guide rods (21) are installed in the sliding groove (20), the sliding block (22) is sleeved on the outer surfaces of the two guide rods (21), spring II (23) is sleeved on the outer surfaces of the guide rods (21), and the spring II (23) is located below the sliding block (22).