Aviation sealing gasket pressure test device

Abstract

An aviation sealing gasket pressure test device belongs to the technical field of sealing part test. A channel is arranged in the accessory flange, one end of the channel is communicated with the lower end of the flange mouthpiece, the upper end of the flange mouthpiece is communicated with the corresponding adapter, the flange mouthpiece is sleeved with a flange cover plate, the flange cover plate is fixedly connected with the accessory flange, and the other end of the channel is communicated with the corresponding adapter. According to the utility model, the processing flow is simplified, the complex processing difficulty is avoided, and the production cost and time are reduced. After installation, whether the outside of the tool leaks oil or not can be rapidly and visually detected, and the convenience and accuracy of the test are improved. And comprehensive protection measures including the design of the protection cover, the buffer layer and the like and the application of the anti-sticking coating are integrated, so that the safety of the test process is enhanced, and the potential test risk is reduced.

Description

Technical Field

[0001] This utility model relates to a pressure testing device for aviation sealing gaskets, belonging to the field of sealing component testing technology. Background Technology

[0002] With the rapid development of the aviation industry, the types and quantities of aviation products are increasing daily, which has directly led to a significant increase in the demand for aviation gaskets. As an indispensable key component in aviation equipment, the main function of aviation gaskets is to achieve a high-precision sealing effect by vulcanizing rubber onto a metal skeleton, ensuring the stable operation of aviation equipment in complex and ever-changing working environments.

[0003] Given the importance of aerospace gaskets in the aviation field, their quality and reliability directly affect the safety and performance of the entire aviation equipment. Therefore, rigorous quality control and design verification must be implemented during the design and manufacturing process of aerospace gaskets to ensure that the products meet the requirements of actual operating conditions.

[0004] Traditional verification methods often fail to comprehensively and accurately simulate the complex stress conditions and environmental factors experienced by aerospace gaskets in actual operation, thus failing to fully verify the feasibility and reliability of the product. To overcome this challenge, a specialized pressure testing device for aerospace gaskets needs to be developed to simulate the pressure environment of aerospace gaskets in actual use and to verify the feasibility of the product design and manufacturing process through testing. Utility Model Content

[0005] To address the problems existing in the background art, this utility model provides an aviation gasket pressure testing device.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: an aviation gasket pressure testing device, comprising a flange cover plate, an adapter, an accessory flange, and a flange connector; the accessory flange has an internal channel, one end of which is connected to the lower end of the flange connector, the upper end of the flange connector is connected to the corresponding adapter, the flange connector is fitted with a flange cover plate on its outer side, the flange cover plate is connected and fixed to the accessory flange, and the other end of the channel is connected to the corresponding adapter.

[0007] The accessory flange has an L-shaped channel inside, one end of which penetrates the upper surface of the accessory flange and the other end of which penetrates one side wall of the accessory flange; the upper surface of the accessory flange has multiple cover plate mounting threaded holes.

[0008] The flange connector has a cylindrical structure, and the inside of the flange connector has a stepped hole that increases radially from top to bottom. The outer wall of the flange connector has an inclined installation clearance.

[0009] The flange cover plate is a square plate structure, and a through hole and a plurality of cover plate mounting threaded holes two are arranged on the upper surface of the flange cover plate, the plurality of cover plate mounting threaded holes two are arranged in one-to-one correspondence with the plurality of cover plate mounting threaded holes one, and the flange cover plate and the accessory flange are fixedly connected in a mode that bolts are screwed into the corresponding cover plate mounting threaded holes one and the cover plate mounting threaded holes two.

[0010] The outer side of the accessory flange is sleeved with a protective cover.

[0011] The top and the side wall of the protective cover are provided with adapter avoiding holes, the opposite two side walls of the accessory flange are provided with cover body mounting threaded holes one, the side wall of the protective cover is provided with two cover body mounting threaded holes two arranged in one-to-one correspondence with the cover body mounting threaded holes one, and the protective cover and the accessory flange are fixedly connected in a mode that bolts are screwed into the corresponding cover body mounting threaded holes one and the cover body mounting threaded holes two.

[0012] The side wall of the protective cover is provided with an extraction hole.

[0013] A buffer layer is arranged between the inner wall of the protective cover and the accessory flange.

[0014] Sealing rings are arranged at the mounting positions of the adapters.

[0015] The inner wall of the protective cover is coated with an anti-adhesion coating.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The utility model simplifies the processing flow, avoids complex processing difficulties, reduces production cost and time. After installation, whether the outside of the tooling leaks oil can be quickly and intuitively detected, the convenience and accuracy of the test are improved. Comprehensive protection measures are integrated, including the design of the protective cover, the buffer layer and the application of the anti-adhesion coating, which not only enhances the safety of the test process, but also reduces the potential test risks. The performance and reliability of the aviation sealing gasket in a complex working environment are fully verified, providing a solid guarantee for the safety and quality of aviation products. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic view of the utility model;

[0019] Figure 2 is a structural schematic view of the accessory flange;

[0020] Figure 3 is Figure 2 A-A sectional view of the adapter;

[0021] Figure 4 is Figure 2 B-B sectional view of the adapter;

[0022] Figure 5 is a structural diagram of a flange nozzle;

[0023] Figure 6 is a structural diagram of a flange cover plate; Figure 5 is a sectional view of

[0024] Figure 7 is a structural diagram of a flange cover plate;

[0025] Figure 8 is a sectional view of Figure 7

[0026] Figure 9 is a structural diagram of a protective cover;

[0027] Figure 10 is a C-C sectional view of Figure 9

[0028] Figure 11 is a D-D sectional view of Figure 9 DETAILED DESCRIPTION

[0029] The technical solutions in the utility model will be described clearly and completely in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0030] An aviation sealing gasket pressure test device comprises a flange cover plate 1, an adapter 2, an accessory flange 4 and a flange nozzle 5. The accessory flange 4 is internally provided with a channel 18, one end of the channel 18 is in communication with the lower end of the flange nozzle 5, the upper end of the flange nozzle 5 is in communication with the corresponding adapter 2, the flange nozzle 5 is externally sleeved with the flange cover plate 1, the flange cover plate 1 is connected and fixed with the accessory flange 4, and the other end of the channel 18 is in communication with the corresponding adapter 2.

[0031] The accessory flange 4 is irregular octagonal in shape, the accessory flange 4 is internally provided with an L-shaped channel 18, one end of the channel 18 penetrates through the upper surface of the accessory flange 4, and the other end of the channel 18 penetrates through a side wall of the accessory flange 4; a plurality of cover plate mounting screw holes one 15 are uniformly arranged along the circumference of the upper surface of the accessory flange 4, and the plurality of cover plate mounting screw holes one 15 are arranged around one end of the channel 18.

[0032] The flange nozzle 5 is a cylindrical structure, the flange nozzle 5 is internally provided with a stepped hole 21 that increases in diameter from top to bottom, and the outer side wall of the flange nozzle 5 is provided with an installation avoiding portion 22 arranged obliquely.

[0033] ​​​The flange cover plate 1 is a square plate structure, the upper surface of the flange cover plate 1 is provided with a through hole 8 penetrating through the thickness direction thereof and a plurality of cover plate mounting screw holes two 7, the through hole 8 is a stepped hole with a diameter increasing from top to bottom, the plurality of cover plate mounting screw holes two 7 are arranged in one-to-one correspondence with the plurality of cover plate mounting screw holes one 15, and the flange cover plate 1 and the accessory flange 4 are fixedly connected in a mode that bolts 3 are screwed into the corresponding cover plate mounting screw holes one 15 and cover plate mounting screw holes two 7.

[0034] The outer side of the accessory flange 4 is provided with a protective cover 6, and the protective cover 6 can guarantee the safety of the test process because the pressure can reach 20 MPa in the test process.

[0035] The top and the side wall of the protective cover 6 are provided with adapter avoiding holes 23, the opposite two side walls of the accessory flange 4 are provided with cover body mounting screw holes one 19, the side wall of the protective cover 6 is provided with two cover body mounting screw holes two 27 arranged in one-to-one correspondence with the cover body mounting screw holes one 19, and the protective cover 6 and the accessory flange 4 are fixedly connected in a mode that bolts 3 are screwed into the corresponding cover body mounting screw holes one 19 and cover body mounting screw holes two 27.

[0036] The side wall of the protective cover 6 is provided with an extraction hole 24, so that the protective cover 6 is convenient to take.

[0037] A high-temperature-resistant silica gel buffer layer is mounted between the inner wall of the protective cover 6 and the accessory flange 4, the thickness of the buffer layer is 3-5 mm, and the buffer layer is used for absorbing high-pressure oil liquid impact vibration.

[0038] Sealing rings are arranged at the mounting positions of the adapters 2, so as to prevent high-pressure oil liquid from leaking.

[0039] The inner wall of the protective cover 6 is coated with a high-temperature-resistant anti-sticking coating, the anti-sticking coating is polytetrafluoroethylene or a ceramic matrix composite, and the anti-sticking coating prevents oil liquid from remaining and improves cleaning efficiency.

[0040] The two adapters 2 of the utility model are connected on a testing machine, the two adapters 2 guarantee that the oil circuit is unobstructed, the aviation sealing gasket is placed in the flange cover plate 1, the flange cover plate 1 is sleeved on the outer side of the flange connector 5 and then fixed on the accessory flange 4 through the bolts 3, and the installation condition of the aviation sealing gasket can be guaranteed.

[0041] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other forms without deviating from the spirit or essential characteristics of the present application. The embodiments should therefore be considered in all respects as illustrative and not restrictive, the scope of the application being defined by the appended claims rather than that of the above description, and it is therefore intended that all changes falling within the meaning and range of equivalents of the claims be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

[0042] Furthermore, it should be understood that although the present specification is described in terms of embodiments, not every embodiment according to the present specification needs to exhibit each and every characteristic specified in the present specification. The specification can also be described in terms of a single preferred embodiment, it being understood that this single preferred embodiment can exhibit not every aspect or feature of the present specification. The specification can also be described in terms of a generic statement that the disclosure can include one, some, or all embodiments, it being understood that this generic statement can encompass not every aspect or feature of the present specification.

Claims

1. A pressure testing device for aviation gaskets, characterized in that: It includes a flange cover plate (1), an adapter (2), an accessory flange (4), and a flange connector (5); the accessory flange (4) has a channel (18) inside, one end of the channel (18) is connected to the lower end of the flange connector (5), the upper end of the flange connector (5) is connected to the corresponding adapter (2), the flange connector (5) is fitted with a flange cover plate (1) on the outside, the flange cover plate (1) is connected and fixed to the accessory flange (4), and the other end of the channel (18) is connected to the corresponding adapter (2).

2. The pressure testing device for aviation gaskets according to claim 1, characterized in that: The accessory flange (4) has an L-shaped channel (18) inside. One end of the channel (18) passes through the upper surface of the accessory flange (4), and the other end of the channel (18) passes through one side wall of the accessory flange (4). The upper surface of the accessory flange (4) has multiple cover plate mounting threaded holes (15).

3. The pressure testing device for aviation gaskets according to claim 1, characterized in that: The flange connector (5) has a cylindrical structure. The flange connector (5) has a stepped hole (21) that increases radially from top to bottom inside. The outer wall of the flange connector (5) has an inclined installation clearance (22).

4. The pressure testing device for aviation gaskets according to claim 2, characterized in that: The flange cover (1) is a square plate structure. The upper surface of the flange cover (1) is provided with a through hole (8) and multiple cover plate mounting threaded holes (7). The multiple cover plate mounting threaded holes (7) are set one-to-one with the multiple cover plate mounting threaded holes (15). The flange cover (1) and the accessory flange (4) are fixedly connected by bolts (3) screwed into the corresponding cover plate mounting threaded holes (15) and cover plate mounting threaded holes (7).

5. The pressure testing device for aviation gaskets according to claim 1 or 4, characterized in that: The outer side of the accessory flange (4) is fitted with a protective cover (6).

6. The pressure testing device for aviation gaskets according to claim 5, characterized in that: The top and side walls of the protective cover (6) are provided with adapter clearance holes (23). The opposite side walls of the accessory flange (4) are provided with cover mounting threaded holes one (19). The side walls of the protective cover (6) are provided with two cover mounting threaded holes two (27) that correspond one-to-one with cover mounting threaded holes one (19). The protective cover (6) and the accessory flange (4) are fixedly connected by screwing bolts (3) into the corresponding cover mounting threaded holes one (19) and cover mounting threaded holes two (27).

7. The pressure testing device for aviation gaskets according to claim 6, characterized in that: The protective cover (6) has an extraction hole (24) on its side wall.

8. The pressure testing device for aviation gaskets according to claim 7, characterized in that: A buffer layer is installed between the inner wall of the protective cover (6) and the accessory flange (4).

9. The pressure testing device for aviation gaskets according to claim 1, characterized in that: Each of the adapters (2) is equipped with a sealing ring at its mounting point.

10. The pressure testing device for aviation gaskets according to claim 5, characterized in that: The inner wall of the protective cover (6) is coated with an anti-stick coating.

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