Multifunctional C-shaped sealing ring testing tool

By designing a multifunctional C-type seal ring test tooling, it integrates sealing, contact force and friction measurement functions, and supports dual testing, solving the problems of complex, time-consuming and inefficient detection in the existing technology, achieving efficient and accurate detection results.

CN222635699UActive Publication Date: 2025-03-18CHINA NATIONAL OFFSHORE OIL (CHINA) CO LTD +1
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Patent Information

Application Number
CN202421409554.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-20
Publication Date
2025-03-18
Estimated Expiration
2034-06-20

AI Technical Summary

Technical Problem

In the prior art, testing the sealing, contact and friction of the C-type sealing ring requires a variety of testing equipment and tools, which leads to complex, time-consuming and possible errors. Most tooling can only detect one sealing ring at a time, reducing efficiency.

Method used

A multifunctional C-type seal ring test tool is designed, including a mandrel assembly and a sealing cylinder. The mandrel assembly consists of a cross mandrel, a side mandrel and a sealing cylinder. It can measure sealing, contact force and friction at the same time, and supports the detection of two C-type sealing rings at one time.

Benefits of technology

A comprehensive performance evaluation is achieved, the inspection efficiency and accuracy is improved, the installation and disassembly process is simplified, production costs are reduced, and the accuracy and repeatability of test results are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a multifunctional C-type sealing ring test tool, which comprises a mandrel assembly and a sealing cylinder sleeved outside the mandrel assembly, and is characterized in that the mandrel assembly comprises a cross mandrel and side mandrels arranged at two ends of the cross mandrel; a pressing hole and two exhaust holes are formed in the sealing cylinder in the radial direction. The side core shaft is in threaded connection with the cross-shaped core shaft, the C-shaped sealing ring is arranged outside the cross-shaped core shaft in a sleeving mode, and a cushion block is arranged between the C-shaped sealing ring and the side core shaft. The device is simple and convenient to use, improves the testing efficiency of the sealing ring, can test the sealing performance of the C-shaped sealing ring, can also detect the contact force and friction force of the C-shaped sealing ring passing through the sealing cylinder, is simple to produce and manufacture, is low in cost, and is easy to popularize.
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Description

Technical Field

[0001] The utility model belongs to the technical field of sealing rings, and in particular relates to a multifunctional C-type sealing ring testing tool. Background Art

[0002] As a sealing element widely used in various industrial fields, the performance of C-type sealing rings is crucial to ensure the normal operation of various mechanical equipment. Sealing, contact force and friction are key parameters for evaluating the performance of C-type sealing rings. Among them, sealing determines whether the C-type sealing ring can effectively prevent the leakage of liquid or gas; contact force and friction are related to the stability and service life of the C-type sealing ring during installation.

[0003] Traditionally, these parameters usually need to be tested by different test equipment and tools, which not only makes the test process complicated and time-consuming, but also may affect the accuracy of the test results due to errors caused by switching equipment. Moreover, most tooling can only test one C-type sealing ring at a time, which undoubtedly increases the test time and reduces efficiency.

[0004] Therefore, it is urgent to develop a new type of testing tooling that can not only measure the sealing, contact force and friction force of the C-type sealing ring at the same time, but also detect the sealing performance and pressure bearing capacity of two C-type sealing rings at a time, so as to improve the efficiency and accuracy of the detection. Utility Model Content

[0005] The utility model is proposed to solve the problems existing in the prior art, and its purpose is to provide a multifunctional C-type sealing ring testing tool.

[0006] The utility model is realized by the following technical solutions:

[0007] A multifunctional C-type sealing ring testing tool comprises a core shaft assembly and a sealing cylinder sleeved on the outside of the core shaft assembly, wherein the core shaft assembly comprises a cross core shaft and side core shafts arranged at two ends of the cross core shaft; a punching hole and two exhaust holes arranged in the radial direction are formed on the sealing cylinder; the side core shaft is threadedly connected to the cross core shaft, the C-type sealing ring is sleeved on the outside of the cross core shaft, and a pad is arranged between the C-type sealing ring and the side core shaft.

[0008] In the above technical solution, the sealing cylinder is a sleeve structure.

[0009] In the above technical solution, the punching hole and the exhaust hole are both connected to the middle cavity of the sealing tube; and the two exhaust holes are arranged on both sides of the punching hole.

[0010] In the above technical solution, the cross core shaft is a stepped shaft structure, which includes a middle mounting portion, transition portions formed at both ends of the mounting portion, and a connecting portion formed on the outside of the transition portion; the outer wall of the connecting portion is formed with an external thread connected to the side core shaft; a C-type sealing ring is sleeved on the outside of the transition portion, one end of the C-type sealing ring is tightly against the mounting portion, and the other end is tightly against the pad; the mounting portion corresponds to the position of the punching hole.

[0011] In the above technical solution, the outer diameters of the mounting portion, the transition portion and the connecting portion decrease sequentially.

[0012] In the above technical solution, the side core shaft is a sleeve structure with a stepped through hole formed in the middle. The inner wall of the small diameter end of the stepped through hole forms an internal thread, the small diameter end is threadedly connected to the connecting part, the large diameter end is sleeved on the outside of the transition part, and the end face of the large diameter end is tightly against the pad.

[0013] In the above technical solution, a sealing ring is arranged between the side core shaft and the sealing cylinder.

[0014] The multifunctional C-type sealing ring testing tool provided by the utility model has the following beneficial effects:

[0015] (1) Integrated multifunctional testing: It integrates sealing performance testing, contact force measurement, and friction force measurement to provide comprehensive performance evaluation, avoiding the cumbersome process of using multiple tools for different tests;

[0016] (2) Dual testing capability: Ability to test two C-rings at once, greatly improving testing efficiency and saving time and resources;

[0017] (3) Professional design: highly targeted, specially designed for C-type rings, ensuring the accuracy and applicability of the test;

[0018] (4) Easy operation: The optimized structural design simplifies the installation and disassembly process, allowing the inspection work to be carried out quickly and continuously, improving the convenience of operation;

[0019] (5) Economical: The material selection and manufacturing process are economical and practical, which reduces the production cost and makes the tooling more competitive in the market;

[0020] (6) Accuracy and repeatability: The design focuses on reducing test errors, improving the accuracy and repeatability of test results, and ensuring data reliability;

[0021] (7) Cost savings: Reduce the cost of multiple tests or multiple device tests, and achieve long-term benefits with a one-time investment;

[0022] (8) Quality control: Accurate test results help control and improve the quality of C-rings and enhance the quality of the final product. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the utility model;

[0024] Figure 2 It is an enlarged structural schematic diagram of the upper half of the utility model.

[0025] in:

[0026] 1. Sealing cylinder; 2. Cross core shaft; 3. Side core shaft; 4. Exhaust hole; 5. Sealing ring; 6. Spacer; 7. C-type sealing ring; 8. Punching hole.

[0027] For ordinary technicians in this field, other relevant drawings can be obtained based on the above drawings without any creative work. DETAILED DESCRIPTION

[0028] In order to enable those skilled in the art to better understand the technical solution of the present utility model, the technical solution of the present utility model will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

[0029] like Figure 1 , 2 As shown, a multifunctional C-type sealing ring testing tool comprises a core shaft assembly and a sealing cylinder 1 sleeved on the outside of the core shaft assembly, wherein the core shaft assembly comprises a cross core shaft 2 and side core shafts 3 arranged at two ends of the cross core shaft 2;

[0030] The sealing cylinder 1 is a sleeve structure, on which a punch hole 8 and two exhaust holes 4 are formed in a radial direction, and the punch hole 8 and the exhaust holes 4 are both connected to the middle cavity of the sealing cylinder 1; the two exhaust holes 4 are arranged on both sides of the punch hole 8;

[0031] The cross core shaft 2 is a stepped shaft structure, which includes a middle mounting portion, transition portions formed at both ends of the mounting portion, and a connecting portion formed outside the transition portion;

[0032] The outer wall of the connection portion is formed with an external thread connected to the side core shaft 3;

[0033] A C-shaped sealing ring 7 is sleeved on the outside of the transition part, one end of the C-shaped sealing ring 7 is closely attached to the mounting part, and a cushion block 6 is arranged on the other end;

[0034] The mounting portion corresponds to the position of the punching hole 8;

[0035] The outer diameters of the mounting portion, the transition portion and the connecting portion decrease in sequence;

[0036] The side core shaft 3 is a sleeve structure, with a stepped through hole formed in the middle, an inner thread formed on the inner wall of the small diameter end of the stepped through hole, the small diameter end is threadedly connected to the connecting part, the large diameter end is sleeved outside the transition part, and the end face of the large diameter end is in close contact with the pad 6;

[0037] A sealing ring 5 is arranged between the side core shaft 3 and the sealing cylinder 1 , and the sealing ring 5 is an O-type sealing ring.

[0038] The sealing tube 1 is used to simulate the working environment of the C-type sealing ring; the pressure hole 8 and the exhaust hole 9 on the sealing tube 1 are used to simulate different working conditions during the test process.

[0039] The mandrel assembly is used to fix and test the C-type sealing ring.

[0040] The use of the utility model:

[0041] During the test, two C-type sealing rings are fixed on the transition part of the cross mandrel, and the gaskets are installed on both sides of it. Then the sealing rings are installed in the ring groove of the side mandrel, and then the side mandrels on both sides are connected to the threads at both ends of the cross mandrel, and tightened with tools, and the gaskets and C-type sealing rings are tightly fixed. Then, the assembled mandrel assembly and the two C-type sealing rings are inserted into the sealing cylinder as a whole, the position of the cross mandrel is aligned with the position of the pressure port, and the positions of the two gaskets should be avoided from the position of the exhaust hole, so as to meet the installation requirements, and then the test is carried out, the pressure hole of the sealing cylinder is pressed, and the sealing performance test is started. Finally, the stability of the pressure is used to evaluate whether there is leakage.

[0042] In addition, the pressure bearing capacity of the C-type sealing ring can also be evaluated based on this.

[0043] If the C-type sealing ring shows no leakage, then the contact force and friction force when passing through the sealing cylinder can be further calculated.

[0044] The structural design of the utility model can simplify the installation and removal process of the sealing ring, improve the efficiency and continuity of the test work, and optimize the material selection and manufacturing process to reduce production costs and improve market competitiveness. The utility model focuses on reducing test errors, improving the accuracy and repeatability of test results, and ensuring the reliability of data.

[0045] The utility model discloses a multifunctional C-type sealing ring testing tool, which can simultaneously test the sealing performance and pressure bearing capacity of two C-type sealing rings, and accurately measure the contact force and friction force of the sealing rings when they pass through the sealing tube. By analyzing the test results of the utility model, a basis is provided for quality control and improvement of the C-type sealing rings.

[0046] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying 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 utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features 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, "multiple" means two or more.

[0047] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 an indirect connection 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.

[0048] The applicant declares that the above is only a specific implementation method of the present utility model, but the protection scope of the present utility model is not limited thereto. The technicians in the relevant technical field should understand that any changes or substitutions that can be easily thought of by the technicians in the relevant technical field within the technical scope disclosed in the present utility model fall within the protection scope and disclosure scope of the present utility model.

Claims

1. A multifunctional C-type sealing ring testing tool, characterized in that: The invention comprises a core shaft assembly and a sealing cylinder (1) sleeved on the outside of the core shaft assembly, wherein the core shaft assembly comprises a cross core shaft (2) and side core shafts (3) arranged at two ends of the cross core shaft (2); a punching hole (8) and two exhaust holes (4) arranged in the radial direction are formed on the sealing cylinder (1); the side core shaft (3) is threadedly connected to the cross core shaft (2), a C-shaped sealing ring (7) is sleeved on the outside of the cross core shaft (2), and a cushion block (6) is arranged between the C-shaped sealing ring (7) and the side core shaft (3).

2. The multifunctional C-type sealing ring testing tool according to claim 1, characterized in that: The sealing cylinder (1) is a sleeve structure.

3. The multifunctional C-type sealing ring testing tool according to claim 1, characterized in that: The punching hole (8) and the exhaust hole (4) are both in communication with the middle cavity of the sealing cylinder (1); the two exhaust holes (4) are arranged on both sides of the punching hole (8).

4. The multifunctional C-type sealing ring testing tool according to claim 1, characterized in that: The cross core shaft (2) is a stepped shaft structure, which includes a middle mounting portion, transition portions formed at both ends of the mounting portion, and a connecting portion formed outside the transition portion; the outer wall of the connecting portion forms an external thread connected to the side core shaft (3); a C-shaped sealing ring (7) is sleeved outside the transition portion, one end of the C-shaped sealing ring (7) is tightly attached to the mounting portion, and the other end is tightly attached to the cushion block (6); the mounting portion corresponds to the position of the punching hole (8).

5. The multifunctional C-type sealing ring testing tool according to claim 4, characterized in that: The outer diameters of the mounting portion, the transition portion and the connecting portion decrease in sequence.

6. The multifunctional C-type sealing ring testing tool according to claim 1, characterized in that: The side core shaft (3) is a sleeve structure with a stepped through hole formed in the middle. The inner wall of the small diameter end of the stepped through hole forms an internal thread, the small diameter end is threadedly connected to the connecting part, and the large diameter end is sleeved outside the transition part, and the end face of the large diameter end is tightly against the cushion block (6).

7. The multifunctional C-type sealing ring testing tool according to claim 1, characterized in that: A sealing ring (5) is arranged between the side core shaft (3) and the sealing cylinder (1).