P-type sealing rubber mat for aircraft equipment frame

Abstract

The utility model relates to a P-type sealing rubber mat for an aircraft equipment frame. An existing sealing rubber mat is high in friction coefficient, prone to abrasion, inconvenient to install on an equipment frame and low in sealing performance. The sealing rubber mat is of a hollow closed structure, the whole sealing rubber mat is annular, and the surface of the sealing rubber mat is coated with fabric. The sealing rubber mat comprises a hollow part and a plane part, the hollow part is integrally arranged on one end face of the plane part, the section of the hollow part and the section of the plane part are of a P-shaped structure, a plurality of mounting holes are formed in the plane part close to the outer edge, a plurality of air holes are formed in the plane part close to the inner edge, and the air holes communicate with the hollow part. The surface of the sealing rubber mat is coated with the polyester fabric, the sealing rubber mat is low in friction coefficient and not prone to abrasion, the multiple installation holes and the air holes are formed, the sealing rubber mat can be conveniently installed on an equipment frame, the sealing reliability is improved, and the sealing service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing elements, in particular to a P-type sealing rubber pad for an aircraft equipment frame. Background Art

[0002] Hollow, closed-end sealing gaskets used in aircraft equipment racks are typically made from a vulcanized composite of silicone rubber and fabric. The rubber, as the primary material, exhibits excellent compression resilience, providing contact stress for the gasket, achieving a seal. Using hollow, closed-end sealing gaskets as sealing elements on aircraft equipment racks effectively prevents air leaks, reduces fuel consumption, and improves aircraft comfort and stability. These gaskets also cushion the racks from shock and vibration, protecting the aircraft's structure and components from damage. They also effectively isolate noise and prevent the intrusion of external impurities such as dust and moisture, further ensuring the safety and performance of aircraft interior equipment.

[0003] However, the existing sealing rubber pads have a high friction coefficient, are easy to wear, are inconvenient to install on the equipment rack, and have low sealing performance.

[0004] Therefore, there is an urgent need for a sealing rubber gasket with low friction coefficient, easy installation and high sealing performance. Summary of the Invention

[0005] The utility model aims to provide a P-type sealing rubber pad for aircraft equipment racks, so as to at least solve the problems of the existing sealing rubber pads having a high friction coefficient, being inconvenient to install on the equipment rack and having a low sealing performance.

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

[0007] A P-type sealing rubber gasket for aircraft equipment racks, the sealing rubber gasket having a hollow closed structure, an overall ring shape, and a surface covered with fabric;

[0008] The sealing gasket includes a hollow portion and a flat portion, the hollow portion is integrally arranged on one end surface of the flat portion, the cross-sections of the hollow portion and the flat portion are integrally formed into a P-shaped structure, a plurality of mounting holes are provided near the outer edge of the flat portion, a plurality of air holes are provided near the inner edge of the flat portion, and the air holes are connected to the hollow portion.

[0009] Furthermore, the hollow portion includes two parallel hollow straight line segments and a hollow semicircle connected to both ends of the hollow straight line segments.

[0010] Furthermore, the planar portion includes two parallel planar straight line segments and a planar semicircle connected to both ends of the planar straight line segments.

[0011] Furthermore, the length of the hollow straight segment is consistent with that of the planar straight segment, and the width of the hollow straight segment is smaller than that of the planar straight segment.

[0012] Furthermore, the outer diameter of the hollow semicircle is smaller than the outer diameter of the planar semicircle.

[0013] Furthermore, the cross-section of the planar portion is rectangular.

[0014] Furthermore, the cross section of the hollow portion is circular.

[0015] Furthermore, the hollow portion and the planar portion are connected with a rounded corner.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0017] The utility model provides a P-type sealing rubber gasket for an aircraft equipment rack. The cross-section of the sealing rubber gasket is P-shaped, the hollow portion of the sealing rubber gasket forms a compressible cavity, the flat portion is the sealing rubber gasket installation portion, the surface of the sealing rubber gasket is covered with polyester fabric, which has a low friction coefficient and is not easy to wear. A plurality of mounting holes are provided near the outer edge of the flat portion, which facilitate the sealing rubber gasket to be installed on the equipment rack through the mounting holes, and a plurality of air holes are provided near the inner edge of the flat portion, and the air holes are connected to the hollow portion. After the sealing rubber gasket is squeezed by an external force, it can be elastically restored through the air holes, thereby avoiding the sealing rubber gasket from being compressed after being squeezed by an external force, thereby improving the sealing reliability of the sealing rubber gasket and extending the sealing life. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, without paying any creative work, they can also obtain drawings of other embodiments based on these drawings.

[0019] Figure 1 It is a planar schematic diagram of the utility model;

[0020] Figure 2 yes Figure 1 Cross-section at point A in the middle;

[0021] Figure 3 yes Figure 2 The enlarged schematic diagram at point I in the middle;

[0022] Figure 4 It is a schematic diagram of the structure of the utility model;

[0023] The symbols in the figure are:

[0024] 1-hollow part, 11-hollow straight segment, 12-hollow semicircle, 2-plane part, 21-plane straight segment, 22-plane semicircle, 3-mounting hole, 4-air hole, 5-fabric, 6-base. DETAILED DESCRIPTION

[0025] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The accompanying drawings illustrate preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the disclosure of the present invention.

[0026] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0027] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," and "disposed" should be understood in a broad sense. For example, they may refer to fixed connection or disposition, detachable connection or disposition, or integral connection or disposition. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0028] Example:

[0029] like Figure 1 and Figure 4 As shown, this embodiment provides a P-type sealing pad for aircraft equipment racks. The sealing pad is a hollow closed structure, annular in shape as a whole, and covered with fabric 5 on the surface. Figure 3 As shown, the outer thick line represents the fabric 5, and the inside is the sealing gasket base 6. Preferably, in this embodiment, the fabric 5 is made of polyester fabric. Since polyester fabric has high strength and elastic recovery ability, the elastic ability of the sealing gasket of this embodiment is enhanced. At the same time, polyester fabric has a low friction coefficient, so that the sealing gasket is not easy to wear.

[0030] Specifically, if Figure 2 and Figure 3 As shown, the sealing gasket includes a hollow portion 1 and a flat portion 2. The hollow portion 1 is integrally provided on one end surface of the flat portion 2. The cross-sections of the hollow portion 1 and the flat portion 2 are integrally formed into a P-shaped structure.

[0031] Among them, such as Figure 4 As shown, the hollow portion 1 includes two parallel hollow straight segments 11 and hollow semicircles 12 connected to both ends of the hollow straight segments 11 , and the two hollow straight segments 11 are aligned.

[0032] The planar portion 2 includes two parallel planar straight segments 21 and a planar semicircle 22 connected to both ends of the planar straight segments 21 . The two planar straight segments 21 are aligned.

[0033] The hollow portion 1 is arranged near the inner edge of the planar portion 2, the hollow straight segment 11 and the planar straight segment 21 are of the same length, and the two ends of the hollow straight segment 11 and the planar straight segment 21 are aligned, and the width of the hollow straight segment 11 is smaller than the width of the planar straight segment 21.

[0034] The hollow semicircle 12 and the flat semicircle 22 are aligned at both ends, and the outer diameter of the hollow semicircle 12 is smaller than the outer diameter of the flat semicircle 22 .

[0035] In this embodiment, the plane portion 2 is a location for installing the sealing gasket, and the cross section of the plane portion 2 is a rectangle.

[0036] like Figure 3 As shown, the hollow portion 1 of the sealing rubber gasket forms a compressible cavity, and the cross section of the hollow portion 1 is circular.

[0037] The connection between the hollow portion 1 and the planar portion 2 is a chamfered connection, and the chamfered directions are all concave toward the inside of the hollow portion 1. Between the chamfered corners on both sides, the hollow portion 1 and the planar portion 2 are connected as a whole.

[0038] Furthermore, a plurality of mounting holes 3 are provided near the outer edge of the planar portion 2 to facilitate installation of the sealing gasket on the equipment rack through the mounting holes 3. In this embodiment, twelve mounting holes 3 are provided, which are spaced apart in a circle near the outer edge of the planar portion 2. Three mounting holes 3 are evenly spaced along the straight line at two planar straight line segments 21, and three mounting holes 3 are evenly spaced along the arc line at two planar semicircles 22, thereby facilitating a more stable installation of the sealing gasket on the equipment rack.

[0039] A plurality of air holes 4 are provided near the inner edge of the planar portion 2, and the air holes 4 are connected to the hollow portion 1. In this embodiment, four air holes 4 are provided. After the sealing gasket is squeezed by an external force, it can elastically recover through the air holes 4, thereby avoiding the sealing gasket from being crushed after being squeezed by an external force, thereby improving the sealing reliability of the sealing gasket and extending the sealing life.

[0040] The above examples are used to illustrate the present invention, which are only used to help understand the present invention and are not intended to limit the present invention. Those skilled in the art of the present invention can make some simple deductions, modifications or substitutions based on the concept of the present invention.

Claims

1. A P-type sealing gasket for aircraft equipment rack, characterized by: The sealing rubber pad is a hollow closed structure, is annular in shape as a whole, and is covered with fabric (5); The sealing rubber gasket comprises a hollow portion (1) and a flat portion (2), wherein the hollow portion (1) is integrally arranged on one end surface of the flat portion (2), and the cross-sections of the hollow portion (1) and the flat portion (2) are integrally formed into a P-shaped structure, wherein the flat portion (2) is provided with a plurality of mounting holes (3) near the outer edge, and the flat portion (2) is provided with a plurality of air holes (4) near the inner edge, and the air holes (4) are communicated with the hollow portion (1).

2. The P-type sealing rubber gasket for aircraft equipment rack according to claim 1, characterized in that: The hollow portion (1) comprises two hollow straight segments (11) arranged in parallel and a hollow semicircle (12) connected to both ends of the hollow straight segments (11).

3. The P-type sealing rubber gasket for aircraft equipment rack according to claim 2, characterized in that: The plane portion (2) comprises two parallel planar straight line segments (21) and a planar semicircle (22) connected to both ends of the planar straight line segments (21).

4. The P-type sealing rubber gasket for aircraft equipment rack according to claim 3, characterized in that: The hollow straight segment (11) and the plane straight segment (21) have the same length, and the width of the hollow straight segment (11) is smaller than the width of the plane straight segment (21).

5. The P-type sealing rubber gasket for aircraft equipment rack according to claim 3, characterized in that: The outer diameter of the hollow semicircle (12) is smaller than the outer diameter of the flat semicircle (22).

6. The P-type sealing rubber gasket for aircraft equipment rack according to claim 1, characterized in that: The cross section of the plane portion (2) is rectangular.

7. The P-type sealing rubber gasket for aircraft equipment rack according to claim 1, characterized in that: The cross section of the hollow portion (1) is circular.

8. The P-type sealing rubber gasket for aircraft equipment rack according to claim 7, characterized in that: The hollow portion (1) and the plane portion (2) are connected by a rounded corner.

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