Protective airtight door

Abstract

The utility model discloses a protective air-tight door, belongs to the technical field of protective doors, and is used for providing a protective air-tight door capable of being quickly opened on one side, the protective air-tight door comprises a door frame, the door frame is movably connected with a door body through a driving arm and a driven arm, and a driving mechanism is further arranged outside the door frame and drives the door body to move relative to the door frame through the driving arm. The door body is kept vertical in the moving process, the driving arm and the driven arm are equal in length and parallel, the door frame comprises an outer frame, an inner frame is arranged in the outer frame, a wedging groove is formed between the front face of the inner frame and the inner wall of the outer frame, and the wedging groove is provided with a sealing strip located on the front face of the inner frame. The door body is restrained by designing the parallel driving arm and driven arm structure, the door frame is designed to be of an inner-outer double-layer frame structure, and the matching groove is formed between the inner frame and the outer frame, so that the protective airtight door can be tightly sealed when the outer side stress is larger than the inner side stress, and can be quickly opened when the inner side stress is larger than the outer side stress; in other words, quick opening can be achieved without unlocking or electric power assistance on one side.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of protective door, in particular to a protective sealing door. BACKGROUND

[0002] The existing protective sealing door is mostly constrained by a latch structure, and the latch constraint needs to be manually or electrically released when the sealing door is opened. However, the latch structure may be rusted after long-term use, and it is very laborious to manually open the door. The electrically driven opening may also fail, which is troublesome when the sealing door needs to be opened urgently. SUMMARY

[0003] The present application aims to provide a protective sealing door that can be quickly opened on one side.

[0004] To achieve the above purpose, the present application provides a protective sealing door: a door frame is movably connected with a door body through a driving arm and a driven arm, a driving mechanism is further arranged outside the door frame, the driving mechanism drives the door body to move relative to the door frame through the driving arm, the door body remains vertical during the movement, the driving arm and the driven arm are equal in length and parallel, the door frame includes an outer frame, the outer frame has an inner frame inside, a fitting groove is formed between the front surface of the inner frame and the inner wall of the outer frame, the fitting groove is provided with a sealing strip located on the front surface of the inner frame, the door body includes an embedded plate and a pressing frame, the embedded plate is adapted to fit with the inner frame, and the pressing frame is adapted to be embedded in the fitting groove and pressed with the sealing strip to form a closed sealing surface.

[0005] As a preferred, a support column is fixedly connected to the top of the door frame, the support column has a first fixed bracket on the side surface, one end of the driving arm is rotatably connected with the first fixed bracket, and the front surface of the pressing frame has a first movable bracket adapted to be rotatably connected with the other end of the driving arm, so that the door body can remain vertical during the movement.

[0006] As a preferred, the driving mechanism includes a hydraulic motor and a speed reducer fixedly connected with the support column, and the one end of the driving arm rotatably connected with the first fixed bracket is further fixedly connected with the output end of the speed reducer, so as to drive the driving arm to rotate.

[0007] As a preferred, the front surface of the outer frame has a second fixed bracket rotatably connected with one end of the driven arm, and the front surface of the pressing frame further has a second movable bracket adapted to be rotatably connected with the other end of the driven arm, and the second movable bracket is located below the first movable bracket, which can effectively avoid the interference of the relative movement of the driving arm and the driven arm.

[0008] As a preferred, the support has a pair, the drive mechanism and the combination of the active arm also has a pair, the two drive mechanisms and the combination of the active arm are left-right symmetrical, and the left and right sides of the door body are balanced.

[0009] As a preferred, the top of the two supports is fixedly connected with a cross beam, and the cross beam and the outer frame are both provided with connecting holes for bolts and other connecting members to pass through to fix the door frame in the wall.

[0010] As a preferred, the driven arm also has a pair, and the two driven arms move synchronously and are left-right symmetrical.

[0011] As a preferred, the front surface of the inner frame is provided with a configuration groove, and the sealing strip is embedded in the configuration groove, so as to ensure the stability of installation.

[0012] Compared with the prior art, the application has the beneficial effects that:

[0013] (1) By designing parallel active arms and driven arms to constrain the door body, and designing the door frame into an inner-outer double-layer frame structure, a fitting groove is formed between the inner and outer frames, so that the protective sealed door can be tightly sealed when the external force is greater than the internal force, and quickly opened when the internal force is greater than the external force, that is, one side can be quickly opened without unlocking or power assistance;

[0014] (2) The design eliminates the latch structure, realizes a simpler constraint structure, and reduces the probability of being difficult to open the sealed door due to component corrosion. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a first three-dimensional schematic view of the overall structure of the protective sealed door.

[0016] Figure 2 It is a second three-dimensional schematic view of the overall structure of the protective sealed door.

[0017] Figure 3 It is a three-dimensional structural schematic view of the protective sealed door after removing the door body.

[0018] Figure 4 It is a three-dimensional structural schematic view of the protective sealed door Figure 3 after removing the drive mechanism and the swing arm.

[0019] Figure 5 It is a three-dimensional structural schematic view of the active arm and the drive mechanism of the protective sealed door.

[0020] Figure 6 It is a three-dimensional structural schematic view of the driven arm of the protective sealed door.

[0021] Figure 7It is a first schematic diagram of the three-dimensional structure of the door body of the protective closed door.

[0022] Figure 8 It is a second schematic diagram of the three-dimensional structure of the door body of the protective closed door.

[0023] In the figure: 1, door body; 101, inner panel; 102, compression frame; 103, first movable frame; 104, second movable frame; 2, door frame; 201, outer frame; 202, inner frame; 203, configuration groove; 204, sealing strip; 205, support column; 206, crossbeam; 207, connecting hole; 208, fitting groove; 209, first fixed frame; 210, second fixed frame; 3, driving arm; 4, driven arm; 5, driving mechanism; 501, hydraulic motor; 502, speed reducer. DETAILED DESCRIPTION

[0024] Hereinafter, the present application will be further described in conjunction with specific embodiments. It should be noted that, under the premise of no conflict, each embodiment described below or each technical feature can be combined with any other embodiment or technical feature to form a new embodiment.

[0025] In the description of the present application, it should be noted that, for orientation words, such as terms “center”, “transverse”, “longitudinal”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inner”, “outer”, “clockwise”, “counterclockwise”, etc. indicate the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and cannot be understood as limiting the specific protection scope of the present application.

[0026] It should be noted that the terms “first”, “second” and the like in the specification and claims of the present application are used to distinguish similar objects, and do not necessarily have to describe a specific order or chronological order.

[0027] The terms “include” and “have” and any variations thereof in the specification and claims of the present application are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device that includes a series of steps or units does not have to be limited to only those steps or units clearly listed, but can include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0028] As Figures 1-8The shown protective sealed door includes a door frame 2 made of corrosion-resistant alloy, the door frame 2 is movably connected with a door body 1 through a driving arm 3 and a driven arm 4, the door body 1 cooperates with the door frame 2 in a flat turning manner, the top of the door frame 2 is fixedly connected with a support column 205, actually, the support column 205 is integral with the door frame 2, the side of the support column 205 is provided with a first fixed bracket 209, one end of the driving arm 3 is rotatably connected with the first fixed bracket 209, the front of a pressing frame 102 is provided with a first movable bracket 103 for rotatably connecting with the other end of the driving arm 3, the front of an outer frame 201 is provided with a second fixed bracket 210 for rotatably connecting with one end of the driven arm 4, the front of the pressing frame 102 is also provided with a second movable bracket 104 for rotatably connecting with the other end of the driven arm 4, the second fixed bracket 210 is located below the first fixed bracket 209, and the corresponding second movable bracket 104 is also located below the first movable bracket 103, so that the driving arm 3 and the driven arm 4 will not interfere with each other during movement.

[0029] The door frame 2 is further provided with a driving mechanism 5, the driving mechanism 5 drives the door body 1 to move relative to the door frame 2 through the driving arm 3, the driving mechanism 5 includes a hydraulic motor 501 and a speed reducer 502 fixedly connected with the support column 205, the output end of the hydraulic motor 501 is connected with the input end of the speed reducer 502, and the end of the driving arm 3 rotatably connected with the first fixed bracket 209 is also fixedly connected with the output end of the speed reducer 502, so as to drive the driving arm 3 to swing with large torque.

[0030] The support column 205 has a pair, the top of the two support columns 205 is fixedly connected with a cross beam 206, the cross beam 206 is provided with a connecting hole 207 for bolts and other connecting members to pass through and be fixed in the wall, the combination of the driving mechanism 5 and the driving arm 3 also has a pair, the two combinations of the driving mechanism 5 and the driving arm 3 are located on the two support columns 205 and are left-right symmetrical, the driven arm 4 also has a pair, the two driven arms 4 move synchronously and are left-right symmetrical, the driving arm 3 is equal in length to the driven arm 4 and is parallel to the driven arm 4, and the door body 1 can remain vertical during movement due to its own gravity.

[0031] The door frame 2 includes an outer frame 201, the outer frame 201 is also provided with a connecting hole 207 for bolts and other connecting members to pass through and be fixed in the wall, the outer frame 201 has an integral inner frame 202, the inner frame 202 has a smaller inner dimension than the outer frame 201, so that a fitting groove 208 is formed between the front of the inner frame 202 and the inner wall of the outer frame 201, the fitting groove 208 is provided with a sealing strip 204 located on the front of the inner frame 202, the sealing strip 204 is made of rubber material, the front of the inner frame 202 is provided with a configuration groove 203, the sealing strip 204 is embedded in the configuration groove 203, so as to keep stable installation, the door body 1 includes an embedded plate 101 and a pressing frame 102, the embedded plate 101 is used to fit with the inner frame 202, and the pressing frame 102 is embedded in the fitting groove 208 and is pressed with the sealing strip 204 to form a closed sealing surface.

[0032] Working principle: when the protective closed door needs to be opened and closed, the hydraulic motor 501 exerts force, the torque is amplified through the reducer 502, the door body 2 is driven away from the door frame 2 and moves up through the driving arm 3, until the fitting groove 208 is completely exposed, at this time the protective closed surface is in a completely open state; when the protective closed door needs to be closed, the hydraulic motor 501 unloads, the door body 1 is lowered under the action of its own gravity and approaches the door frame, until the inner embedded plate 101 is embedded with the inner frame 202, the pressing frame 102 slides into the fitting groove 208 and is attached with the sealing strip 204, since the upper end of the door body 1 is only rotationally constrained, when the outside of the protective closed door is subjected to pressure, the pressing frame 102 will be pressed more tightly with the sealing strip; when the inside of the protective closed door is subjected to pressure, the door body 1 can be opened even if the driving mechanism 5 does not act, therefore the protective closed door has good single-sided sealing function, and it can be easily opened from the inside.

[0033] The above describes the basic principles, main features and advantages of the present application. It should be understood by those skilled in the art that the present application is not limited to the above embodiments, the above embodiments and descriptions in the specification are only the principles of the present application, various changes and improvements can be made without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection claimed by the present application is defined by the appended claims and their equivalents.

Claims

1. A protective airtight door, characterized in that: The system includes a door frame (2), which is movably connected to a door body (1) via an active arm (3) and a driven arm (4). A drive mechanism (5) is also provided outside the door frame (2). The drive mechanism (5) drives the door body (1) to move relative to the door frame (2) via the active arm (3). The door body (1) remains vertical during movement. The active arm (3) and the driven arm (4) are of equal length and parallel. The door frame (2) includes an outer frame (201), and the outer frame (201) contains an inner frame (…). 202), a fitting groove (208) is formed between the front of the inner frame (202) and the inner wall of the outer frame (201). The fitting groove (208) is provided with a sealing strip (204) located on the front of the inner frame (202). The door body (1) includes an inner panel (101) and a pressing frame (102). The inner panel (101) is adapted to fit with the inner frame (202). The pressing frame (102) is adapted to be embedded in the fitting groove (208) and pressed with the sealing strip (204).

2. The protective airtight door as described in claim 1, characterized in that: The top of the door frame (2) is fixedly connected to a support column (205), the support column (205) has a first fixing frame (209) on its side, one end of the active arm (3) is rotatably connected to the first fixing frame (209), and the front of the pressing frame (102) has a first movable frame (103) adapted to be rotatably connected to the other end of the active arm (3).

3. The protective airtight door as described in claim 2, characterized in that: The drive mechanism (5) includes a hydraulic motor (501) and a reducer (502) fixedly connected to the support column (205). One end of the active arm (3) rotatably connected to the first fixed frame (209) is also fixedly connected to the output end of the reducer (502).

4. The protective airtight door as described in claim 3, characterized in that: The front of the outer frame (201) has a second fixed frame (210) which is rotatably connected to one end of the driven arm (4). The front of the pressing frame (102) also has a second movable frame (104) which is adapted to be rotatably connected to the other end of the driven arm (4). The second movable frame (104) is located below the first movable frame (103).

5. The protective airtight door as described in claim 4, characterized in that: There is a pair of support pillars (205), and there is also a pair of combinations of drive mechanism (5) and active arm (3). The two combinations of drive mechanism (5) and active arm (3) are symmetrical from left to right.

6. The protective airtight door as described in claim 5, characterized in that: A crossbeam (206) is fixedly connected between the tops of the two support columns (205), and both the crossbeam (206) and the outer frame (201) are provided with connection holes (207).

7. The protective airtight door as described in claim 5, characterized in that: The driven arms (4) also have a pair, and the two driven arms (4) move synchronously and are symmetrical from left to right.

8. The protective airtight door as described in any one of claims 1 to 7, characterized in that: The inner frame (202) has a configuration groove (203) on its front side, and the sealing strip (204) is embedded in the configuration groove (203).

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