Protected door impact beam structure

Abstract

The utility model belongs to the technical field of aircraft cabin door, disclose a cabin door anti -collision structure with protection, including the bung structure and the buffer rubber spare, buffer rubber spare is equipped with two through -holes, buffer rubber spare is installed on the cabin door hinge of aircraft through two bolts cooperation two through -holes, the bung structure covers on buffer rubber spare, buffer rubber spare is located in the hollow chamber of bung structure, the height of buffer rubber spare is greater than the hollow chamber depth of bung structure. The utility model on the basis of conventional buffer rubber spare, increase bung structure will connect rubber spare's metal bolt effective cover, under the condition of ground sudden wind load, can prevent rubber spare excessive compression after metal bolt directly collides cabin door mouth frame, protects cabin door and door frame structure.

Description

Technical Field

[0001] This utility model belongs to the field of aircraft cabin door technology, and relates to an aircraft cabin door anti-collision structure, specifically a cabin door anti-collision structure with protection. Background Technology

[0002] The AG600 aircraft's boarding door opens outwards and forwards. Once fully open, the hinge arm contacts the door frame via a buffer rubber component, and then a gust lock engages, locking the door in the open position. The buffer rubber component is connected to the door hinge by two metal bolts. These bolts are installed inside the buffer rubber component, with a certain distance between the bolt heads and the component. Under ground-level gust loads, there is a risk that the metal bolts could directly collide with the door frame due to excessive compression of the rubber component. Utility Model Content

[0003] Therefore, this utility model provides a protective door anti-collision structure. Based on the conventional buffer rubber parts, a plug structure is added to effectively cover the metal bolts connecting the rubber parts. Under ground gust load, it can prevent the metal bolts from directly colliding with the door frame after the rubber parts are excessively compressed, thus protecting the door and door frame structure.

[0004] The technical solution of this utility model is as follows: A protective door anti-collision structure includes a cover structure and a buffer rubber component. The buffer rubber component has two through holes and is installed on the aircraft door hinge by two bolts that engage with the two through holes. The cover structure covers the buffer rubber component and is located within the hollow cavity of the cover structure. The height of the buffer rubber component is greater than the depth of the hollow cavity of the cover structure.

[0005] Furthermore, the plug structure has lugs on both sides, and the plug structure is connected to the aircraft door hinges through the lugs and double-section bolts; the lower section of the double-section bolt is an external thread section, and the upper section is a smooth rod section. The lugs of the plug structure are located on the smooth rod section of the double-section bolt, and the plug structure can move up and down within the range of the smooth rod section of the double-section bolt.

[0006] Furthermore, the length of the smooth section of the double-segment bolt is equal to the height of the buffer rubber component being greater than the depth of the hollow cavity of the plug structure.

[0007] Furthermore, the maximum compression height of the buffer rubber component is the value where the height of the buffer rubber component is greater than the depth of the hollow cavity of the plug structure.

[0008] Furthermore, the through hole of the buffer rubber component is larger than or equal to the bolt that fixes the buffer rubber component.

[0009] Furthermore, the holes of the two lugs of the plug structure and the two through holes of the buffer rubber component are aligned on the same straight line when viewed from above.

[0010] Technical effects: Based on conventional buffer rubber components, this utility model adds a plug structure to effectively cover the metal bolts connecting the rubber components. Under ground gust loads, it can prevent the metal bolts from directly colliding with the hatch door frame after the rubber components are excessively compressed, thus protecting the hatch and door frame structure. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of a protective door anti-collision structure according to the present invention; Figure 2 For cushioning rubber components; Figure 3 It is a plugging structure. Detailed Implementation

[0012] The features and illustrative embodiments of various aspects of this utility model will now be described in detail. Numerous specific design details are set forth in the following detailed description to provide a more complete understanding of this utility model. However, it will be apparent to those skilled in the art that this utility model can be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of this utility model by illustrating examples of it. This utility model is by no means limited to any specific setup and method set forth below, but covers any improvements, substitutions, and modifications to the structure, method, and device without departing from the spirit of this utility model. In the drawings and the following description, any parts not exhaustively described are considered to be common knowledge or conventional practices in the art.

[0013] It should be noted that, where there is no conflict, the embodiments of this utility model and the features therein can be combined with each other, and the various embodiments can be referenced and cited in turn. The present utility model will now be described in detail with reference to the accompanying drawings and embodiments.

[0014] Example 1: A protective door anti-collision structure includes a cover structure and a buffer rubber component. The buffer rubber component has two through holes and is installed on the aircraft door hinge by two bolts that engage with the two through holes. The cover structure covers the buffer rubber component and is located within the hollow cavity of the cover structure. The height of the buffer rubber component is greater than the depth of the hollow cavity of the cover structure.

[0015] The plug structure has lugs on both sides. The plug structure is connected to the aircraft door hinges through the lugs and double-section bolts. The lower section of the double-section bolt is an external thread section, and the upper section is a smooth rod section. The lugs of the plug structure are located on the smooth rod section of the double-section bolt, and the plug structure can move up and down within the range of the smooth rod section of the double-section bolt.

[0016] The length of the smooth section of the double-section bolt is equal to the height of the buffer rubber component being greater than the depth of the hollow cavity of the plug structure.

[0017] The maximum compression height of the buffer rubber component is the value where the height of the buffer rubber component is greater than the depth of the hollow cavity of the plug structure.

[0018] The through hole of the buffer rubber component is larger than or equal to the bolt that fixes the buffer rubber component.

[0019] The holes in the two lugs of the plug structure and the two through holes in the buffer rubber component are aligned on the same straight line when viewed from above.

[0020] Example 2: A protective door anti-collision structure includes a cushioning rubber component, a connector, and a plug structure.

[0021] The cushioning rubber component has two cavity structures arranged on it.

[0022] The diameter of the cavity structure is larger than that of the metal bolts used to fix the buffer rubber component, and the bolts are completely embedded in the buffer rubber component structure after installation.

[0023] The plug structure is installed on the outside of the cushioning rubber component.

[0024] The plug structure includes two protruding ear-shaped structures.

[0025] The plug structure is a hollow cavity structure, with two protruding circular structures inside the cavity.

[0026] The ear-shaped structure is symmetrical from left to right.

[0027] See Figure 2 As shown, the cushioning rubber component is connected to the hatch hinge arm via metal bolts.

[0028] See Figure 3 As shown, the inner side of the plug structure, including two protruding circular structures, is aligned with the cavity on the upper part of the buffer rubber component.

[0029] See Figure 1 As shown, the plug structure is connected to the hatch hinge arm by metal bolts.

[0030] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements can be made without departing from the principle of the present utility model, and these improvements should also be considered within the protection scope of the present utility model.

Claims

1. A protective door anti-collision structure, characterized in that, It includes a plug structure and a buffer rubber component. The buffer rubber component has two through holes and is installed on the aircraft door hinge by two bolts that fit into the two through holes. The plug structure covers the buffer rubber component and the buffer rubber component is located in the hollow cavity of the plug structure. The height of the buffer rubber component is greater than the depth of the hollow cavity of the plug structure.

2. The protective door anti-collision structure according to claim 1, characterized in that, The plug structure has lugs on both sides. The plug structure is connected to the aircraft door hinges through the lugs and double-section bolts. The lower section of the double-section bolt is an external thread section, and the upper section is a smooth rod section. The lugs of the plug structure are located on the smooth rod section of the double-section bolt, and the plug structure can move up and down within the range of the smooth rod section of the double-section bolt.

3. The protective door anti-collision structure according to claim 2, characterized in that, The length of the smooth section of the double-section bolt is equal to the height of the buffer rubber component being greater than the depth of the hollow cavity of the plug structure.

4. The protective door anti-collision structure according to claim 1, characterized in that, The maximum compression height of the buffer rubber component is the value where the height of the buffer rubber component is greater than the depth of the hollow cavity of the plug structure.

5. The protective door anti-collision structure according to claim 1, characterized in that, The inner diameter of the through hole of the buffer rubber component is greater than or equal to the diameter of the bolt that fixes the buffer rubber component.

6. The protective door anti-collision structure according to claim 1, characterized in that, The holes in the two lugs of the plug structure and the two through holes in the buffer rubber component are aligned on the same straight line when viewed from above.

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