Butt joint between frames of airplane emergency cabin door

Abstract

The utility model discloses a butt joint between frames of an airplane emergency cabin door, which belongs to the technical field of airplane emergency cabin doors and comprises a mounting seat, a limiting mechanism and an auxiliary mechanism, the limiting mechanism is fixedly connected to the outer surface of the mounting seat, and the auxiliary mechanism is fixedly connected to the outer surface of the limiting mechanism. The limiting mechanism comprises a connector frame fixedly connected to the outer surface of the mounting base, a control bin is formed in the inner wall of the connector frame, an electric telescopic rod and a controller are fixedly connected to the inner wall of the control bin, and the outer surface of the controller is electrically connected with the outer surface of the electric telescopic rod through a wire. And ventilation holes are formed in the outer surface of the control bin, when limiting of the connector frame to the door frame is relieved, the spring rebounds, the spring drives the second sliding plate and the telescopic block to slide, the outer surface of the telescopic block mounting base can collide with the outer surface of the door frame, and then the connector frame can be rapidly separated from the door frame.

Description

Technical Field

[0001] The utility model relates to the technical field of aircraft emergency doors, in particular to a butt joint between frames of an aircraft emergency door. Background Art

[0002] An aircraft emergency door is a special door used to quickly evacuate passengers and crew in an emergency. During normal flight, the emergency door is closed and locked to ensure the structural integrity of the aircraft and the tightness of the cabin. However, when an emergency situation arises, such as fire, decompression, or a serious malfunction, and the evacuation of all passengers is necessary, the emergency door can be opened. Emergency doors are typically designed with easy-to-operate opening devices and clear markings to ensure passengers can quickly locate and open them in an emergency. Some emergency doors are also equipped with a slide that automatically deploys when the door is opened, providing passengers with a quick and safe evacuation route.

[0003] The Chinese utility model with announcement number CN219100983U discloses a docking joint between aircraft emergency door frames, including a placement cavity provided in an outer shell, symmetrically provided with position-adjustable lock tongues on both sides of the placement cavity, a controller provided in the outer shell, the lock tongues connected to a transmission structure, the controller electrically connected to the transmission structure, a base provided at the bottom of the outer shell, and the outer shell and the door frame cooperate with each other. In the utility model, an electronic sensing device scans the crew member's ID card, so that the controller receives a command and controls the push rod according to a predetermined program to shrink the push rod and shorten the length, driving the diamond frame to shrink synchronously, and the diamond frame drives the lock tongues on both sides to move inward synchronously in opposite directions until all the lock tongues are located in the placement cavity. At this time, the outer shell can be driven out of the card slot by pushing the emergency door. Since the electronic sensing device only allows the crew member to scan the ID card to open it, the occurrence of passengers accidentally opening the emergency door is avoided.

[0004] In an emergency, such as a serious aircraft failure, fire, or sudden decompression, every second matters to the safety of passengers' lives. If the emergency door is opened solely by relying on the existing structure, the lack of an effective auxiliary separation mechanism may result in prolonged door opening time, affecting evacuation efficiency. Utility Model Content

[0005] The main purpose of the utility model is to provide a butt joint between frames of an aircraft emergency door, which can effectively solve the problems raised in the background technology.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A butt joint between frames of an aircraft emergency door, comprising a mounting seat, a limiting mechanism, and an auxiliary mechanism, wherein the limiting mechanism is fixedly connected to the outer surface of the mounting seat, the auxiliary mechanism is fixedly connected to the outer surface of the limiting mechanism, the limiting mechanism comprises a joint frame fixedly connected to the outer surface of the mounting seat, and a control compartment is provided on the inner wall of the joint frame;

[0008] The inner wall of the control compartment is fixedly connected to an electric telescopic rod and a controller, the outer surface of the controller is electrically connected to the outer surface of the electric telescopic rod via a wire, and the outer surface of the control compartment is provided with ventilation holes;

[0009] The auxiliary mechanism includes a limit block fixedly connected to the upper surface of the joint frame, and the outer surface of the limit block is slidably connected to a telescopic block;

[0010] Furthermore, a rebound chamber is provided inside the mounting seat, an inner wall of the rebound chamber is fixedly connected to a spring, and the other end of the spring is fixedly connected to a second slide plate;

[0011] Furthermore, the outer surface of the second slide plate is slidably connected to the inner wall of the rebound chamber, and the upper surface of the second slide plate is fixedly connected to the lower surface of the telescopic block;

[0012] Furthermore, the output end of the electric telescopic rod is fixedly connected to a first slide, and the outer surface of the first slide is slidably connected to the inner wall of the control compartment;

[0013] Furthermore, the limiting mechanism further comprises a slider slidably connected to the outer surface of the joint frame, and the outer surface of the slider is slidably connected to the inner side surface of the control compartment;

[0014] Furthermore, the sliding of the electric telescopic rod drives one end of the connecting plate to slide up and down, so that the other end of the connecting plate can push and pull the outer surface of the slider, thereby facilitating the release of the joint frame from the door frame.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. When the limit of the joint frame on the door frame is released, the spring rebounds, and the spring drives the second slide plate and the telescopic block to slide, so that the outer surface of the telescopic block mounting seat can hit the outer surface of the door frame, thereby facilitating the rapid separation of the joint frame from the door frame.

[0017] 2. The ventilation holes facilitate heat dissipation of the electric telescopic rod and controller, and on the other hand, facilitate placement into the control compartment to form a closed space, which is not conducive to the slider sliding into the control compartment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the front cross-sectional structure of the overall structure of the utility model;

[0020] Figure 3 This is a schematic cross-sectional view of the rebound chamber in the present invention;

[0021] Figure 4 It is a schematic diagram of the cross-sectional structure of the control compartment in the present utility model.

[0022] In the figure: 1. Mounting seat; 2. Limiting mechanism; 201. Slider; 202. Joint frame; 203. Control compartment; 204. Connecting plate; 205. Electric telescopic rod; 206. First slide; 207. Controller; 208. Ventilation hole; 3. Auxiliary mechanism; 301. Telescopic block; 302. Second slide; 303. Spring; 304. Rebound compartment; 305. Limiting block. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] like Figure 1 - Figure 4 As shown, a frame-to-frame butt joint of an aircraft emergency door includes a mounting seat 1, a limiting mechanism 2 and an auxiliary mechanism 3. The limiting mechanism 2 is fixedly connected to the outer surface of the mounting seat 1, and the auxiliary mechanism 3 is fixedly connected to the outer surface of the limiting mechanism 2. The limiting mechanism 2 includes a joint frame 202 fixedly connected to the outer surface of the mounting seat 1, and a control compartment 203 is provided on the inner wall of the joint frame 202. The auxiliary mechanism 3 includes a limiting block 305 fixedly connected to the upper surface of the joint frame 202, and the outer surface of the limiting block 305 is slidably connected to a telescopic block 301.

[0025] In order to quickly separate the cabin door and the door frame, a rebound chamber 304 is provided inside the mounting base 1, and the inner wall of the rebound chamber 304 is fixedly connected to a spring 303, and the other end of the spring 303 is fixedly connected to a second slide 302. The spring 303 makes the second slide 302 elastic, which facilitates the restoration of the second slide 302 to its original position. The outer surface of the second slide 302 is slidably connected to the inner wall of the rebound chamber 304, and the upper surface of the second slide 302 is fixedly connected to the lower surface of the telescopic block 301, so that the cabin door and the door frame can be quickly separated through the second slide 302.

[0026] It is worth mentioning that when the limit of the joint frame 202 on the door frame is released, the spring 303 rebounds, and the spring 303 drives the second slide 302 and the telescopic block 301 to slide, so that the outer surface of the telescopic block 301 mounting seat 1 can collide with the outer surface of the door frame, thereby facilitating the rapid separation of the joint frame 202 from the door frame.

[0027] In order to dissipate heat for the controller 207, the inner wall of the control compartment 203 is fixedly connected with the electric telescopic rod 205 and the controller 207. The outer surface of the controller 207 is electrically connected to the outer surface of the electric telescopic rod 205 through a wire, and a ventilation hole 208 is provided on the outer surface of the control compartment 203. The output end of the electric telescopic rod 205 is fixedly connected with a first slide 206. The outer surface of the first slide 206 is slidably connected to the inner wall of the control compartment 203. The electric telescopic rod 205 can be easily regulated by the controller 207, thereby facilitating the position limiting of the hatch. The ventilation hole 208 facilitates the heat dissipation of the electric telescopic rod 205 and the controller 207 on the one hand, and facilitates the placement of the control compartment 20 3 forms a closed space, which is not conducive to the sliding block 201 sliding into the control compartment 203. The limiting mechanism 2 also includes a slider 201 slidably connected to the outer surface of the joint frame 202. The outer surface of the slider 201 is slidably connected to the inner side of the control compartment 203. The slider 201 is used to limit the joint frame 202 in the door frame. The upper surface of the first slide plate 206 is hinged with a connecting plate 204. The other end of the connecting plate 204 is hinged to the outer surface of the slider 201. The electric telescopic rod 205 slides to drive one end of the connecting plate 204 to slide up and down, so that the other end of the connecting plate 204 can push and pull the outer surface of the slider 201, so as to facilitate the release of the limit of the joint frame 202 on the door frame.

[0028] It is worth mentioning that the first slide plate 206 can slide on the inner wall of the control compartment 203. The sliding of the control compartment 203 drives one end of the connecting plate 204 to slide. The other end of the connecting plate 204 can push and pull the outer surface of the slider 201, so as to facilitate the release of the limit of the joint frame 202 on the door frame. The ventilation hole 208 is convenient for dissipating heat to the electric telescopic rod 205 and the controller 207 on the one hand, and on the other hand, it is convenient to place them in the control compartment 203 to form a closed space, which is not conducive to the sliding of the slider 201 into the control compartment 203.

[0029] Working principle: The controller 2074 is electrically connected to an external electronic sensing device, and the electronic sensing device is located on the emergency door. When the emergency door needs to be opened, the electronic sensing device scans the crew member's ID card, so that the controller 207 receives the command and controls the output end of the electric telescopic rod 205 to extend or shorten according to a predetermined program. This technology is an existing technology, so that the first slide 206 can slide on the inner wall of the control compartment 203, and the sliding of the control compartment 203 drives one end of the connecting plate 204 to slide, and the other end of the connecting plate 204 can push and pull the outer surface of the slider 201, so as to facilitate the release of the limit of the joint frame 202 on the door frame, so that the spring 303 rebounds, and the spring 303 drives the second slide 302 and the telescopic block 301 to slide, so that the outer surface of the telescopic block 301 mounting seat 1 can hit the outer surface of the door frame, thereby facilitating the rapid separation of the joint frame 202 from the door frame.

[0030] It should be noted that, in this document, relational terms such as first and second (number one, number two), etc., are used solely to distinguish one entity or operation from another, and do not necessarily require or imply any actual relationship or order between these entities or operations. However, the terms "comprise," "include," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus. In the absence of further limitations, the phrase "comprises a..." does not preclude the presence of additional identical elements in the process, method, article, or apparatus that includes the elements.

[0031] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A butt joint between frames of an aircraft emergency door, comprising a mounting seat (1), a limiting mechanism (2) and an auxiliary mechanism (3), wherein the limiting mechanism (2) is fixedly connected to the outer surface of the mounting seat (1), and the auxiliary mechanism (3) is fixedly connected to the outer surface of the limiting mechanism (2), characterized in that: The limiting mechanism (2) comprises a joint frame (202) fixedly connected to the outer surface of the mounting seat (1), and a control compartment (203) is provided on the inner wall of the joint frame (202); The inner wall of the control compartment (203) is fixedly connected to an electric telescopic rod (205) and a controller (207); the outer surface of the controller (207) is electrically connected to the outer surface of the electric telescopic rod (205) via a wire, and a ventilation hole (208) is provided on the outer surface of the control compartment (203); The auxiliary mechanism (3) comprises a limit block (305) fixedly connected to the upper surface of the joint frame (202), and the outer surface of the limit block (305) is slidably connected to a telescopic block (301).

2. The inter-frame butt joint of an aircraft emergency door according to claim 1, characterized in that: A rebound chamber (304) is provided inside the mounting seat (1), an inner wall of the rebound chamber (304) is fixedly connected to a spring (303), and the other end of the spring (303) is fixedly connected to a second slide plate (302).

3. The inter-frame butt joint of an aircraft emergency door according to claim 2, characterized in that: The outer surface of the second slide plate (302) is slidably connected to the inner wall of the rebound chamber (304), and the upper surface of the second slide plate (302) is fixedly connected to the lower surface of the telescopic block (301).

4. The inter-frame butt joint of an aircraft emergency door according to claim 1, characterized in that: The output end of the electric telescopic rod (205) is fixedly connected to a first slide plate (206), and the outer surface of the first slide plate (206) is slidably connected to the inner wall of the control compartment (203).

5. The inter-frame butt joint of an aircraft emergency door according to claim 4, characterized in that: The limiting mechanism (2) further comprises a slider (201) slidably connected to the outer surface of the joint frame (202), and the outer surface of the slider (201) is slidably connected to the inner side surface of the control compartment (203).

6. The inter-frame butt joint of an aircraft emergency door according to claim 5, characterized in that: A connecting plate (204) is hinged to the upper surface of the first slide plate (206), and the other end of the connecting plate (204) is hinged to the outer surface of the sliding block (201).

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