Spraying protection tool for solid rocket engine end socket

Abstract

The utility model provides a solid rocket engine end socket spraying protection tool, relates to the technical field of solid rockets, and solves the technical problem that in the prior art, when a solid rocket engine is painted with paint or sprayed with an outer heat-proof coating, the efficiency is low. The solid rocket engine end socket spraying protection tool comprises a sealing part and a positioning part, the sealing part is connected with the positioning part, the sealing part is matched with the inner wall of an engine end socket, and the positioning part is connected with the end face of the engine end socket so as to block the end face of the engine end socket. The utility model is used for providing the spraying protection tool for the sealing head of the solid rocket engine, which can improve the production efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field, in particular to a solid rocket engine head spraying protection tooling. Background Art

[0002] After a solid rocket engine is painted or coated with an external heat-resistant coating, paint residue or coating residue is likely to remain on the end surface of the engine head, causing the end surface of the engine head to be uneven, affecting the connection stability and sealing during use.

[0003] In the prior art, spray painters spend a lot of time on re-protection when painting the engine or spraying the external thermal protection coating, for example, by sticking tape on the end face to isolate the end face from the coating. However, this method leads to low efficiency and may damage the sprayed coating when the tape is torn off.

[0004] The applicant has discovered that the prior art has at least the following technical problems: solid rocket engines are inefficient when spraying paint or external thermal protection coatings. Utility Model Content

[0005] The purpose of the utility model is to provide a solid rocket engine head spray protection tooling to solve the technical problem of low efficiency in spraying paint or spraying external thermal protection coating on solid rocket engines in the prior art. The preferred technical solution among the many technical solutions provided by the utility model can produce many technical effects as described below.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] The solid rocket engine head spray protection tooling provided by the utility model comprises a sealing part and a positioning part, wherein the sealing part is connected to the positioning part, the sealing part is adapted to the inner wall of the engine head, and the positioning part is connected to the end face of the engine head so as to seal on the end face of the engine head.

[0008] As a further improvement of the utility model, the positioning portion is a circular ring structure, and a positioning hole is provided on the positioning portion, and the positioning hole corresponds to the threaded hole on the end face of the engine head.

[0009] As a further improvement of the present invention, the sealing portion is a circular ring structure.

[0010] As a further improvement of the present invention, the positioning portion and the sealing portion are arranged perpendicularly.

[0011] As a further improvement of the utility model, a sealing gasket is arranged on the sealing portion.

[0012] As a further improvement of the utility model, the sealing gasket is adhered to the outer wall of the sealing part.

[0013] As a further improvement of the present invention, the positioning portion and the sealing portion are integrally formed.

[0014] The beneficial effects of the utility model are as follows: the solid rocket engine head spray protection tooling provided by the utility model includes a sealing part and a positioning part, the positioning part is connected to the end face of the engine head to prevent paint from being sprayed onto the end face of the head during painting, the sealing part is adapted to the inner wall of the head and extends toward the inside of the head to prevent paint or coating from entering the end face through one side of the sealing part, thereby effectively protecting the end face of the head, and the structure is simple and easy to install, can well protect the engine head, reduce protection time, and improve production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 It is a cross-sectional view of the utility model.

[0018] In the figure, 1, sealing part; 2, positioning part; 3, positioning hole; 4, sealing gasket. DETAILED DESCRIPTION

[0019] Please refer to the attached figure below Figure 1-2And the text content understands the content of the utility model and the difference between the utility model and the prior art. The following is a further detailed description of the technical solution (including the preferred technical solution) of the utility model by means of the accompanying drawings and the enumeration of some optional embodiments of the utility model. It should be noted that: any technical feature and any technical solution in the present embodiment are one or more of a variety of optional technical features or optional technical solutions. In order to describe the need for brevity, it is impossible to exhaustively list all the alternative technical features and alternative technical solutions of the utility model in this document, and it is not convenient for the implementation of each technical feature to emphasize that it is one of the optional multiple implementations, so those skilled in the art should know that: any technical means provided by the utility model can be replaced or any two or more technical means or technical features provided by the utility model can be combined with each other to obtain a new technical solution. Any technical feature and any technical solution in this embodiment do not limit the scope of protection of the utility model. The scope of protection of the utility model should include any alternative technical solutions that can be thought of by those skilled in the art without creative labor and new technical solutions obtained by combining any two or more technical means or technical features provided by the utility model.

[0020] In the description of the present invention, it should be noted that, unless otherwise specified, "multiple" means two or more than two; the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. are based on the directions 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 direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present invention, it is also necessary to explain 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 an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0022] The utility model provides a solid rocket engine head spraying protection tooling which improves production efficiency.

[0023] Combine the following Figure 1-2 The technical solution provided by the utility model is described in more detail.

[0024] The utility model provides a solid rocket engine head spray protection tooling, comprising a sealing part 1 and a positioning part 2, wherein the sealing part 1 is connected to the positioning part 2, the sealing part 1 is adapted to the inner wall of the engine head, and the positioning part 2 is connected to the end face of the engine head to seal on the end face of the engine head.

[0025] The solid rocket engine head spray protection tooling provided by the utility model comprises a sealing part 1 and a positioning part 2. The positioning part 2 is connected to the end face of the engine head to prevent paint from being sprayed onto the end face of the head during painting. The sealing part 1 is adapted to the inner wall of the head and extends toward the inside of the head to prevent paint or coating from entering the end face through one side of the sealing part, thereby effectively protecting the end face of the head. The utility model has a simple structure and is easy to install. It can well protect the engine head, reduce protection time, and improve production efficiency.

[0026] Specifically, the positioning portion 2 and the sealing portion 1 are both annular structures, and the positioning portion 2 and the sealing portion 1 are vertically arranged. The positioning portion 2 is provided with a positioning hole 3, and the positioning hole 3 corresponds to the threaded hole on the end face of the engine head.

[0027] In this specific embodiment, the positioning portion 2 and the sealing portion 1 are both circular ring structures, and the positioning portion 2 and the sealing portion 1 are vertically arranged, so that the positioning portion 2 and the sealing portion 1 are compatible with the end structure of the head, thereby ensuring efficient and quick installation of the protective tooling.

[0028] Optionally, the positioning portion 2 is a disc structure, and the disc structure can be closed on the head to completely seal the head, thereby preventing paint from entering the interior of the engine head.

[0029] Furthermore, a sealing gasket 4 is provided on the sealing portion 1. By providing the sealing gasket 4, the sealing gasket 4 can ensure that the paint or coating enters from one side of the sealing portion 1 and adheres to the end surface of the head.

[0030] Specifically, the sealing gasket 4 is adhered to the outer wall of the sealing portion 1 . After the sealing portion 1 is installed on the engine head, the sealing gasket 4 is located between the sealing portion 1 and the inner wall of the engine head.

[0031] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A solid rocket engine head spray protection tooling, characterized in that: It comprises a sealing part and a positioning part, wherein the sealing part is connected to the positioning part, the sealing part is matched with the inner wall of the engine head, and the positioning part is connected to the end face of the engine head to seal on the end face of the engine head.

2. The solid rocket engine head spray protection tooling according to claim 1 is characterized in that: The positioning part is a circular ring structure, and a positioning hole is arranged on the positioning part, and the positioning hole corresponds to the threaded hole on the end surface of the engine head.

3. The solid rocket engine head spray protection tooling according to claim 2 is characterized in that: The sealing portion is a circular ring structure.

4. The solid rocket engine head spray protection tooling according to claim 2, characterized in that: The positioning portion is arranged perpendicular to the sealing portion.

5. The solid rocket engine head spray protection tooling according to claim 2, characterized in that: A sealing gasket is arranged on the sealing portion.

6. The solid rocket engine head spray protection tooling according to claim 5, characterized in that: The sealing gasket is adhered to the outer wall of the sealing portion.

7. The solid rocket engine head spray protection tooling according to claim 1, characterized in that: The positioning portion and the sealing portion are integrally formed.

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