Quick-mounting sealing end cover for titanium target tube air tightness detection

Abstract

The utility model provides a kind of quick-mounting sealing end cover for titanium target tube air tightness detection, belong to air tightness detection technical field. Including pipe end sealing cover plate body, the center is equipped with air inlet connector, periphery is equipped with multiple fixed connecting holes;Connecting bolt is used to pass through fixed connecting hole and fix pipe end sealing cover plate body in titanium target pipe end portion;The inner side of pipe end sealing cover plate body is main sealing surface, annular sealing groove is opened on it, and main sealing ring is equipped in annular sealing groove;Main sealing surface side is equipped with positioning flange, and positioning flange is adapted with titanium target pipe end portion inner hole or outer diameter;The root of positioning flange is equipped with auxiliary sealing ring;Pressure detection interface is also integrated on pipe end sealing cover plate body, for connecting pressure gauge or safety valve.The utility model is compact in structure, install quickly, and sealing is reliable, especially suitable for air tightness detection occasion of titanium target tube and other precision pipe fittings.

Description

Technical Field

[0001] This utility model belongs to the field of airtightness testing technology, specifically relating to a quick-release sealing end cap for airtightness testing of titanium target tubes. Background Technology

[0002] Currently, the commonly used sealing end cap structures in the airtightness testing of titanium target tubes suffer from cumbersome operation and low efficiency. Although some quick-connect couplings are available on the market, their sealing pressure is low, they lack a dedicated positioning structure for titanium target tubes, and most are general-purpose parts with poor compatibility with the end face of the titanium target tube, easily leading to unreliable sealing and misalignment. Therefore, there is an urgent need for a dedicated end cap structure that combines rapid installation, precise positioning, high sealing reliability, and integrated functions. Utility Model Content

[0003] The technical problem solved by this utility model is to provide a quick-install sealing end cap for testing the airtightness of titanium target tubes. The purpose of this utility model is to solve the problems of inconvenient installation, unreliable sealing, and fragmented functions in the existing technology.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: Quick-release sealing end caps for testing the airtightness of titanium target tubes, including: The pipe end sealing cover body has an air inlet connector at its center and multiple fixing connection holes around its perimeter. Connecting bolts are used to pass through the fixed connection holes to fix the pipe end sealing cover body to the end of the titanium target tube; The inner side of the pipe end sealing cover plate body is the main sealing surface, and an annular sealing groove is provided on it. A main sealing ring is provided in the annular sealing groove. A positioning flange is provided on one side of the main sealing surface, and the positioning flange is adapted to the inner or outer diameter of the end hole of the titanium target tube. A secondary sealing ring is provided at the root of the positioning flange; The pipe end sealing cover plate body also integrates a pressure detection interface for connecting a pressure gauge or safety valve.

[0005] Further defining the above scheme, the positioning flange forms an interference fit or a small clearance fit with the inner hole or outer diameter of the end of the titanium target tube.

[0006] As a further limitation of the above scheme, both the main sealing ring and the secondary sealing ring are O-rings.

[0007] As a further limitation of the above scheme, the pressure detection interface is integrated into the air intake connector, forming an integrated air intake detection structure with the air intake connector.

[0008] As a further limitation of the above scheme, the cross-sectional diameter of the secondary sealing ring is smaller than that of the primary sealing ring, and the two together constitute a redundant sealing structure.

[0009] Further defining the above scheme, the structure of the pipe end sealing cover body is configured to withstand the axial thrust generated during airtightness testing.

[0010] Advantages of this utility model compared to the prior art: 1. This solution achieves rapid positioning with "instant accuracy" by designing a positioning flange structure that precisely matches the inner or outer diameter of the titanium target tube end, thereby improving installation efficiency; 2. This solution adopts a dual-seal structure with a main sealing ring and a secondary sealing ring, and the two sealing rings form a redundant seal, which significantly improves sealing reliability and extends service life; 3. This solution integrates the air intake interface and the detection interface, simplifying external piping, reducing leak points, and improving system safety; 4. This design has high structural strength and can withstand axial thrust during the testing process, making it suitable for high-pressure testing environments. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the outer structure of this utility model; Figure 2 This is a schematic diagram of the inner structure of this utility model; Figure 3 This is a cross-sectional view of the present invention. Detailed Implementation

[0012] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0013] It should be noted that, in this document, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Unless otherwise specified, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0014] Please see Figure 1-3The embodiments of this utility model are described in detail below.

[0015] Example: See Figure 1 As shown, the quick-release sealing end cap for testing the airtightness of a titanium target tube provided by this utility model includes a tube end sealing cover plate body 1, with an air inlet connector 2 at its center for connecting the test gas. The cover plate has multiple fixing connection holes 3 around its perimeter, and the tube end sealing cover plate body 1 is fixed to the end of the titanium target tube by connecting bolts 4.

[0016] See Figure 2 As shown, the inner surface of the pipe end sealing cover plate body 1 is the main sealing surface, on which an annular sealing groove 5 is provided, and a main sealing ring 6 is provided in the annular sealing groove 5. A positioning flange 7 is provided on one side of the main sealing surface, the size of which is specially designed according to the inner or outer diameter of the titanium target tube to form an interference fit or a small clearance fit to ensure automatic alignment during installation.

[0017] See Figure 2 As shown, a secondary sealing ring 8 is provided at the root of the positioning flange 7 as a backup for the main seal. Preferably, both the main sealing ring 6 and the secondary sealing ring 8 are O-rings. The cross-sectional diameter of the secondary sealing ring 8 is smaller than that of the main sealing ring 6, and the two together form a redundant sealing structure to enhance sealing performance.

[0018] See Figure 3 As shown, the pipe end sealing cover plate body 1 also integrates a pressure detection interface 9, which can be directly connected to a pressure gauge or safety valve to achieve integrated detection function. Preferably, the pressure detection interface 9 is integrated on the air inlet connector 2, forming an integrated air inlet detection structure with the air inlet connector 2. During detection, gas enters the titanium target tube from the air inlet connector 2, and the pressure change is monitored in real time by the pressure gauge or sensor connected to the pressure detection interface 9 to determine whether the airtightness is qualified.

[0019] This invention features a compact structure, quick installation, and reliable sealing, making it particularly suitable for airtightness testing of precision tubing such as titanium target tubes.

[0020] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0021] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A quick-mounting sealing end cover for titanium target tube air tightness detection, characterized in that: include: The pipe end sealing cover body (1) has an air inlet connector (2) at its center and multiple fixed connection holes (3) around its perimeter. Connecting bolts (4) are used to pass through the fixed connecting hole (3) to fix the pipe end sealing cover body (1) to the end of the titanium target tube; The inner side of the pipe end sealing cover plate body (1) is the main sealing surface, and an annular sealing groove (5) is provided thereon. The annular sealing groove (5) is provided with a main sealing ring (6). The main sealing surface is provided with a positioning flange (7), which is adapted to the inner or outer diameter of the end of the titanium target tube; The root of the positioning flange (7) is provided with a secondary sealing ring (8); The pipe end sealing cover body (1) also integrates a pressure detection interface (9) for connecting a pressure gauge or safety valve.

2. The quick-mounting sealing end cover for titanium target tube air tightness detection according to claim 1, characterized in that: The positioning flange (7) forms an interference fit or a small clearance fit with the inner hole or outer diameter of the end of the titanium target tube.

3. The quick-release sealing end cap for testing the airtightness of a titanium target tube according to claim 1, characterized in that: Both the main sealing ring (6) and the secondary sealing ring (8) are O-rings.

4. The quick-release sealing end cap for testing the airtightness of a titanium target tube according to claim 1, characterized in that: The pressure detection interface (9) is integrated on the air inlet connector (2), forming an integrated air inlet detection structure with the air inlet connector (2).

5. The quick-release sealing end cap for testing the airtightness of a titanium target tube according to claim 1, characterized in that: The cross-sectional diameter of the secondary sealing ring (8) is smaller than that of the main sealing ring (6), and the two together constitute a redundant sealing structure.

6. The quick-release sealing end cap for testing the airtightness of a titanium target tube according to claim 1, characterized in that: The structure of the pipe end sealing cover body (1) is configured to withstand the axial thrust generated during airtightness testing.

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