Visual liquid column static pressure baffle one-way valve opening pressure test tool
By designing a test fixture for the opening pressure of a one-way valve on a visible liquid column static pressure diaphragm, and using transparent PMMA material and a sealing ring structure, the accuracy and stability issues of the opening pressure detection of the one-way valve on the oil tank diaphragm were solved, achieving efficient and accurate test results.
Patent Information
- Application Number
- CN202422736033.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-07
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-11-07
AI Technical Summary
In the existing technology, it is difficult to achieve efficient and accurate detection of the opening pressure of the one-way valve of the oil tank diaphragm. Traditional test methods are difficult to operate and have low data accuracy, especially when pressurization is unstable at small opening pressures.
A visual liquid column static pressure diaphragm check valve opening pressure test fixture is designed. The liquid column fixture body is made of transparent PMMA material, combined with a height scale and a sealing ring. The liquid column static pressure is detected by converting the liquid column height, ensuring pressure stability and data accuracy.
It achieves efficient and accurate detection of one-way valve opening pressure, with high testing efficiency, good pressurization accuracy, and stable and reliable test data, making it suitable for batch testing.
Smart Images
Figure CN223565238U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of aviation fuel system test, and relates to a one-way valve opening pressure test tool, in particular to a visual liquid column static pressure partition one-way valve opening pressure test tool. BACKGROUND
[0002] The oil tank partition one-way valve is used in an aviation fuel system, is installed on a semi-sealed rib and an oil collecting tank rib plate in an oil tank, controls one-way flow of fuel, has flexible opening and reverse sealing, ensures fuel flow from outside to inside during fuel filling and consumption, and prevents fuel from flowing reversely due to attitude change during flight. The product needs to be flexible and needs to be tested and detected in terms of opening pressure, and the rated opening pressure is small, pressure stabilization is difficult, and detection accuracy is low.
[0003] According to the traditional test process, the one-way valve is installed in a pipeline for pressure detection, and the opening of the one-way valve is judged by observing oil flow at the end of the pipeline. However, due to the closed pipeline, observation is inconvenient, and under the requirement of small opening pressure, the pressure of the pressure equipment is unstable, which leads to difficult operation in the detection process and low detection data accuracy. UTILITY MODEL CONTENTS
[0004] In order to solve the above problems, the utility model provides a visual liquid column static pressure partition one-way valve opening pressure test tool, which has high test efficiency, good pressure precision control, stable and reliable detection data, and can meet batch testing.
[0005] The technical scheme of the utility model is as follows:
[0006] A visual liquid column static pressure partition one-way valve opening pressure test tool, comprising a liquid column tool body, the liquid column tool body is a transparent structure, the top of the liquid column tool body is open, one side of the liquid column tool body is provided with an opening, the outer edge of the side opening of the liquid column tool body is provided with a mounting interface for mounting the partition one-way valve, and the non-opening side of the liquid column tool body is provided with a scale in the height direction.
[0007] Further, the material of the liquid column tool body is PMMA material.
[0008] Further, the scale in the height direction is a pressure marking scale.
[0009] Further, after the partition one-way valve is mounted on the liquid column tool body, the zero point position of the scale is flush with the lowest point of the opening of the partition one-way valve.
[0010] Further, the utility model further comprises a fastening screw and a gasket, the partition one-way valve is mounted on the outer side of the liquid column tool body through the fastening screw, and the gasket is arranged between the partition one-way valve and the fastening screw.
[0011] Further, the sealing ring is arranged between the diaphragm check valve and the liquid column tool body.
[0012] Further, the liquid column tool body is a cubic structure.
[0013] The technical effects of the utility model are as follows:
[0014] The utility model discloses a kind of visual liquid column static pressure diaphragm check valve opening pressure test tool and test method test needs, which can meet the test needs of batch test, with high test efficiency, good pressurization precision control and stable and reliable detection data. BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used for the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creating labor.
[0016] Figure 1 is visual liquid column static pressure diaphragm check valve opening pressure test tool side view;
[0017] Figure 2 is visual liquid column static pressure diaphragm check valve opening pressure test tool front view;
[0018] Among them, 1 is fastening screw, 2 is gasket, 3 is liquid column tool body, 4 is sealing ring, 5 is scale. DETAILED DESCRIPTION
[0019] This part is the embodiment of the utility model, used to explain and illustrate the technical scheme of the utility model. In the case of no conflict, the embodiments of the utility model and the features in the embodiments can be combined with each other.
[0020] In the description of the utility model, it is understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the direction or positional relationship based on the orientation or positional relationship of the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or case must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implying the number of the indicated technical features. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include more features. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more.
[0021] In the description of the utility model, it needs to be explained that, unless there is explicit provision and limitation, the terms "mounting", "connection" and "connection" should be interpreted broadly, for example, it can be fixed connection, can also be detachable connection or integrated connection, can be mechanical connection, can also be point connection, can be direct connection, can also be indirect connection through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.
[0022] Embodiment 1:
[0023] A visual liquid column static pressure diaphragm one-way valve opening pressure test tool, including liquid column tool body 3, the liquid column tool body 3 is transparent structure, the top of liquid column tool body 3 is open, one side of liquid column tool body 3 is provided with opening, the outer edge of the side opening of liquid column tool body 3 is provided with the installation interface of mounting diaphragm one-way valve, the non-opening side of liquid column tool body 3 is provided with the scale of height direction.
[0024] The material of liquid column tool body 3 is PMMA material.
[0025] The scale of height direction is pressure marking scale.
[0026] After the diaphragm one-way valve is mounted on the liquid column tool body 3, the zero point position of the scale is flush with the lowest point of the opening of the diaphragm one-way valve.
[0027] It further includes fastening screw 1 and gasket 2, the diaphragm one-way valve is mounted on the outer side of liquid column tool body 3 through fastening screw 1, and gasket 2 is arranged between the diaphragm one-way valve and fastening screw 1.
[0028] It further includes sealing ring 4, and sealing ring 4 is arranged between the diaphragm one-way valve and liquid column tool body 3.
[0029] The liquid column tool body 3 is a cubic structure.
[0030] Embodiment 2:
[0031] Figure 1 It is the visual liquid column static pressure diaphragm one-way valve opening pressure test tool and method implementation schematic diagram of the utility model.
[0032] Reference Figure 1 Fastening screw 1, gasket 2, liquid column tool body 3, sealing ring 4.
[0033] The fastening screw 1 and the gasket 2 can install the bulkhead check valve on the liquid column tool body 3, and the sealing ring 4 is used between the bulkhead check valve and the liquid column tool body 3 to ensure sealing. The liquid column tool body is made of PMMA material, is transparent as a whole, and the internal structure is visualized, the vernier pressure gauge is drawn on the liquid column structure, and observation and recording are facilitated. The liquid column static pressure is converted through the liquid column height, and the pressure stability in the experiment process is ensured.
[0034] A transparent liquid column tool body with visual internal structure, a gasket, a sealing ring and a fastening screw mounting part are manufactured. The oil tank bulkhead check valve is installed in the liquid column tool body, and the visual liquid column static pressure is used to ensure the opening pressure test detection accuracy.
[0035] The liquid column structure is designed in the liquid column tool body, the pressurization process is changed into adding liquid into the tool body, the liquid column static pressure is converted through the liquid column height, and the pressure stability in the experiment process is ensured.
[0036] The liquid column tool body is made of PMMA material, is transparent as a whole, and the internal structure is visualized, the vernier pressure gauge is drawn on the liquid column structure, and observation and recording are facilitated. The pressure gauge is converted through the oil density, the tool volume, the area and the height.
[0037] When the oil tank bulkhead check valve is installed in the liquid column tool body, the sealing ring is used between the two to ensure sealing, the test data influencing factors are reduced, and the data accuracy is ensured.
[0038] The fastening screw is used to fix the oil tank bulkhead check valve on the liquid column tool body, the gasket is used to protect the oil tank bulkhead check valve mounting surface, and product scratches are avoided.
[0039] The test work of the utility model is used according to the following method:
[0040] In the opening pressure test of the oil tank bulkhead check valve, the liquid column static pressure is converted through the oil liquid column height, and the pressure stability in the experiment process is ensured.
[0041] A transparent liquid column tool body with visual internal structure, a gasket, a sealing ring and a fastening screw mounting part are manufactured, the oil tank bulkhead check valve is installed on the liquid column tool body with the sealing ring through the fastening screw and the gasket, liquid is poured into the liquid column tool body, the oil tank bulkhead check valve is observed to open liquid outflow, and the liquid column height vernier pressure gauge reading in the liquid column tool body is recorded.
[0042] Liquid is poured into the liquid column tool body, the pressurization process is changed into adding liquid into the tool body, the liquid column static pressure is converted through the liquid column height, and the pressure stability in the experiment process is ensured.
[0043] The liquid column pressure is only related to the liquid density and the liquid column vertical height, and the liquid column height gauge can be directly converted into the pressure gauge.
[0044] It should be explained finally: above-mentioned example is only for illustrating the technical scheme of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of various equivalent modifications or replacements within the technical range disclosed by the utility model, and these modifications or replacements should be covered in the protection scope of the utility model.
Claims
1. A visual column hydrostatic pressure barrier one-way valve opening pressure test tool, characterized in that, The liquid column tool body (3) is transparent, the top of the liquid column tool body (3) is open, one side of the liquid column tool body (3) is provided with an opening, the outer edge of the side opening of the liquid column tool body (3) is provided with a mounting interface for mounting a baffle one-way valve, and the non-opening side of the liquid column tool body (3) is provided with a height-direction scale (5).
2. The opening pressure test tool for a visual column pressure barrier check valve according to claim 1, characterized in that, The material of the liquid column tool body (3) is PMMA.
3. The opening pressure test tool for a visualizing piezometric diaphragm check valve according to claim 2, characterized in that, The height-direction scale (5) is a pressure scale.
4. The opening pressure test tool for a visual column pressure barrier check valve according to claim 1, characterized in that, After the baffle one-way valve is mounted on the liquid column tool body (3), the zero point of the scale is flush with the lowest point of the opening of the baffle one-way valve.
5. The opening pressure test tool for a visualizing piezometric diaphragm check valve according to claim 1, characterized in that, The baffle one-way valve is mounted on the outer side of the liquid column tool body (3) through a fastening screw (1), and a gasket (2) is arranged between the baffle one-way valve and the fastening screw (1).
6. The opening pressure test tool for a visualizing piezometric diaphragm check valve according to claim 1, characterized in that, A sealing ring (4) is arranged between the baffle one-way valve and the liquid column tool body (3).
7. The opening pressure test tool for a visualizing piezometric diaphragm check valve according to claim 1, characterized in that, The liquid column tool body (3) is a cubic structure.