Clamp for mounting bayonet lock on valve plate of shut-off valve

Abstract

The utility model provides a bayonet lock mounting clamp for a valve plate of a shut-off valve, the shut-off valve is arranged on a pressure regulator of an airplane, the valve plate is arranged on the shut-off valve, the bayonet lock mounting clamp comprises a main body section and a working section, the main body section and the working section are integrally formed, a bayonet lock limiting hole is formed in the working section, and a positioning angle is arranged at the tail end of the working section. The bayonet lock is installed on the valve plate at a certain angle through the positioning angle and the bayonet lock limiting hole, rapid assembly of the valve plate bayonet lock of the shut-off valve of the aircraft pressure regulator can be achieved, and the valve plate bayonet lock is convenient to use, safe, reliable, simple in structure, easy to manufacture and machine and low in cost.

Description

Technical Field

[0001] The utility model relates to the technical field of assembly tooling, in particular to a shut-off valve valve plate bayonet pin installation pliers. Background Art

[0002] The shut-off valve of an aircraft pressure regulator is one of the indispensable and important parts of a modern aircraft fuselage. Its assembly accuracy and efficiency are crucial to the performance and safety of the aircraft. Among them, the traditional aircraft pressure regulator shut-off valve valve plate bayonet pin is mostly assembled manually, which is inefficient and has poor accuracy. There are also problems such as large human errors and difficult processes. Since the tail of the bayonet pin needs to form a 30° angle with the valve plate during the assembly process of the valve plate bayonet pin of the shut-off valve of the pressure regulator, and there is currently no ready-made special tooling, it is necessary to develop a tooling that can facilitate the installation of the bayonet pin and meet the angle requirements to meet work needs. Utility Model Content

[0003] In view of the fact that there is currently no tooling that can install the shut-off valve valve plate pin of an aircraft pressure regulator at a fixed angle during installation, the utility model patent provides a shut-off valve valve plate pin installation pliers, which can install the pin on the valve plate at a certain angle through the positioning angle of the working section and the pin limit hole, and has a simple structure and is easy to process.

[0004] In order to achieve the above object, the embodiment of the utility model adopts the following technical solution:

[0005] A shut-off valve valve plate bayonet mounting pliers, the shut-off valve is arranged on a pressure regulator of an aircraft, the valve plate is arranged on the shut-off valve, the bayonet mounting pliers comprises a main section and a working section, the main section and the working section are integrally formed, a bayonet limiting hole is provided on the working section, a positioning angle is provided at the end of the working section, and the bayonet is installed on the valve plate at a certain angle through the positioning angle and the bayonet limiting hole.

[0006] According to one aspect of the utility model, when the bayonet mounting pliers are vertical, the angle between the positioning angle and the horizontal plane is 60°.

[0007] According to one aspect of the utility model, the opening of the bayonet limiting hole is arranged at the end of the working section, and the positioning angle is a chamfer around the opening.

[0008] According to one aspect of the utility model, the main body section is a flat surface, and a lettering area is provided on the main body section.

[0009] According to one aspect of the utility model, a chamfer is provided at the connection between the main body section and the working section.

[0010] According to one aspect of the utility model, the diameter of the main body section is greater than the diameter of the working section.

[0011] According to one aspect of the utility model, the length of the bayonet limiting hole is greater than half the length of the working section.

[0012] According to one aspect of the utility model, the bayonet limiting hole is a round hole.

[0013] According to one aspect of the present invention, the main body section is cylindrical.

[0014] According to one aspect of the utility model, the upper half of the working section is cylindrical, and the lower half is conical.

[0015] Advantages of the implementation of the utility model: The utility model provides a shut-off valve valve plate bayonet installation pliers, the shut-off valve is arranged on the aircraft pressure regulator, the valve plate is arranged on the shut-off valve, the bayonet installation pliers include a main section and a working section, the main section and the working section are integrally formed, a bayonet limiting hole is opened on the working section, and a positioning angle is provided at the end of the working section. The bayonet is installed on the valve plate at a certain angle through the positioning angle and the bayonet limiting hole, so that the shut-off valve valve plate bayonet of the aircraft pressure regulator can be quickly assembled, and the use is convenient, safe and reliable, the structure is simple, easy to manufacture and process, and the cost is low. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of a shut-off valve valve plate bayonet installation pliers of the utility model;

[0018] Figure 2 This is a schematic diagram of a valve plate structure of the utility model;

[0019] Figure 3 The utility model is a schematic diagram of a bayonet installation structure.

[0020] The names corresponding to the serial numbers in the figure are as follows:

[0021] 1. Main section; 2. Working section; 3. Bayonet limit hole; 4. Valve plate; 41. Bayonet. DETAILED DESCRIPTION

[0022] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships 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 should not be understood as a limitation on the present invention.

[0023] In addition, the terms "first", "second", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, a feature defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "plurality" means two or more.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] like Figure 1 As shown, a shut-off valve valve plate bayonet mounting pliers, the shut-off valve is arranged on the pressure regulator of the aircraft, the valve plate 4 is arranged on the shut-off valve, the bayonet 41 mounting pliers comprises a main body section 1 and a working section 2, the main body section 1 and the working section 2 are integrally formed, a bayonet limiting hole 3 is opened on the working section 2, a positioning angle is arranged at the end of the working section 2, and the bayonet 41 is installed on the valve plate 4 at a certain angle through the positioning angle and the bayonet limiting hole 3.

[0027] When the mounting clamp of the bayonet 41 is vertical, the positioning angle of the end of the working section 2 forms an angle of 60° with the horizontal plane, that is, the plane where the shut-off valve flap 4 is located.

[0028] The opening of the bayonet limiting hole 3 is arranged at the end of the working section 2, and the positioning angle is the chamfer around the opening.

[0029] The main body section 1 of the bayonet 41 mounting pliers is a flat surface, which is convenient for holding. At the same time, a lettering area is provided on the main body section 1.

[0030] The connection between the main body section 1 and the working section 2 is provided with a chamfer, which can ensure the safety of the bayonet 41 when the pliers are installed, and avoid being scratched by sharp parts during use.

[0031] The main body section 1 is cylindrical. Specifically, in this embodiment, the outer diameter of the main body section 1 is 16 mm and the length is 50 mm.

[0032] The upper part of the working section 2 is cylindrical, and the lower part is conical. Specifically, in this embodiment, the outer diameter of the working section 2 is 8 mm and the length is 45 mm.

[0033] The bayonet limit hole 3 is a round hole, which is arranged in the working section 2. Specifically, the inner diameter of the bayonet limit hole 3 is 1.5 mm, and the depth is 35 mm. The length (depth) of the bayonet limit hole 3 is greater than half of the working section 2, which can save more effort during installation.

[0034] The diameter of the main body section 1 is larger than the diameter of the working section 2, making it more convenient to hold.

[0035] like Figure 2 , Figure 3 As shown, during the assembly process of the valve plate bayonet of the pressure regulator shut-off valve, the bayonet 41 is required to limit the three assembly parts constituting the valve plate 4, and the end of the bayonet 41 forms an angle of 30° with the valve plate 4.

[0036] When using the shut-off valve valve plate bayonet installation pliers of the aircraft pressure regulator, place the valve plate 4 on a flat table, hold the main section 1 of the bayonet pin 41 installation pliers, insert the bayonet pin 41 into the bayonet pin limit hole 3 of the working section 2, bend the bayonet pin 41 toward the downstream section of the valve plate 4 until the positioning angle is flush with the table top, then remove the bayonet pin 41 installation pliers to complete the installation of the bayonet pin 41. At this time, the angle between the tail end of the bayonet pin 41 and the valve plate 4 is 30°, which meets the requirements of the bayonet pin 41 installation process.

[0037] Advantages of the implementation of the utility model: The utility model provides a shut-off valve valve plate bayonet installation pliers, the shut-off valve is arranged on the aircraft pressure regulator, the valve plate is arranged on the shut-off valve, the bayonet installation pliers include a main section and a working section, the main section and the working section are integrally formed, a bayonet limiting hole is opened on the working section, and a positioning angle is provided at the end of the working section. The bayonet is installed on the valve plate at a certain angle through the positioning angle and the bayonet limiting hole, so that the shut-off valve valve plate bayonet of the aircraft pressure regulator can be quickly assembled, and the use is convenient, safe and reliable, the structure is simple, easy to manufacture and process, and the cost is low.

[0038] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed in the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model shall be based on the protection scope of the claims.

Claims

1. A shut-off valve valve plate bayonet mounting pliers, wherein the shut-off valve is arranged on a pressure regulator of an aircraft, and the valve plate (4) is arranged on the shut-off valve, characterized in that: The bayonet (41) mounting pliers comprises a main body section (1) and a working section (2), wherein the main body section (1) and the working section (2) are integrally formed, a bayonet limiting hole (3) is provided on the working section (2), and a positioning angle is provided at the end of the working section (2), and the bayonet (41) is mounted on the valve plate (4) at a certain angle through the positioning angle and the bayonet limiting hole (3).

2. The shut-off valve valve plate bayonet installation pliers according to claim 1, characterized in that: When the bayonet (41) is installed vertically, the angle between the positioning angle and the horizontal plane is 60°.

3. The shut-off valve valve plate bayonet installation pliers according to claim 1, characterized in that: The opening of the bayonet limiting hole (3) is arranged at the end of the working section (2), and the positioning angle is a chamfer around the opening.

4. The shut-off valve valve plate bayonet installation pliers according to claim 1, characterized in that: The main body section (1) is a flat surface, and a lettering area is provided on the main body section (1).

5. The shut-off valve valve plate bayonet installation pliers according to claim 1, characterized in that: A chamfer is provided at the connection between the main body section (1) and the working section (2).

6. The shut-off valve valve plate bayonet installation pliers according to claim 1, characterized in that: The diameter of the main body section (1) is greater than the diameter of the working section (2).

7. The shut-off valve valve plate bayonet installation pliers according to claim 1, characterized in that: The length of the bayonet limiting hole (3) is greater than half the length of the working section (2).

8. The shut-off valve valve plate bayonet installation pliers according to claim 1, characterized in that: The bayonet limiting hole (3) is a round hole.

9. The shut-off valve valve plate bayonet installation pliers according to claim 1, characterized in that: The main body section (1) is cylindrical.

10. The shut-off valve valve plate bayonet installation pliers according to claim 1, characterized in that: The upper part of the working section (2) is cylindrical, and the lower part is conical.

Images