A dual-purpose tool for oil cooler quick connector detection and water testing

Abstract

The utility model provides a dual-purpose tool for oil cooler quick connector detection and water testing, which belongs to the technical field of automobile parts processing, and is used to solve the technical problems that the existing water testing tools are inconvenient to use and have low safety. The tool includes an oil cooler body, a quick connector, a water chamber, a water testing connector and a testing plug. The oil cooler body is installed in the water chamber, and the inlet and outlet of the oil cooler body are both provided with oil cooler connectors, the quick connector is connected to the oil cooler connector, and the water testing connector and the testing plug are both detachably connected to the quick connector by a snap connection. The water testing connector is installed on the quick connector at the air inlet end, and the testing plug is installed on the quick connector at the air outlet end. The lower ends of the water testing connector and the testing plug are both provided with a snap connector, and the structure of the snap connector is adapted to the inner hole structure of the quick connector; the water testing connector and the testing plug can be used as a testing tool for the quick connector, and can also be used as a water testing connector, which is simple and convenient to operate, and has a stable connection, and is safe and reliable.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile parts processing, and relates to a detection tool, in particular to a dual-purpose tool for detecting and testing a quick joint of an oil cooler. Background Art

[0002] Automobile oil cooler, also known as oil cooler, is commonly used in automobile radiator, mainly for gearbox heat dissipation. Oil cooler is a device that accelerates the heat dissipation of lubricating oil to keep it at a lower temperature. Existing automobile oil cooler usually uses quick connector to connect the pipeline, and its structure must ensure sealing.

[0003] The oil cooler is usually installed in the water chamber. The oil cooler is mainly composed of the oil cooler body, oil cooler joint, sealing ring, and quick connector. The sealing of the assembly position of the automobile radiator needs to be tested before leaving the factory, usually by water test. Figure 1 The existing oil cooler water testing device shown in the figure installs the oil cooler into the water chamber, and installs rubber joints and rubber plugs on the quick connectors of the inlet and outlet respectively. The rubber joint is connected to the air intake pipe, and air is passed through for pressure testing to detect its sealing. The rubber joint and the rubber plug use ordinary PU joints, which are processed by lathe to form sealants of required sizes. When testing the water, the PU itself shrinks under pressure to achieve sealing. The disadvantage is obvious that there is no hook structure, which is easy to pop out under pressure during the water test and injure people. Special care is required during the pressure test.

[0004] In addition, the quick connector needs to be dimensionally inspected after processing to prevent problems with processing that may cause the air pipe joint to be unable to be installed after assembly (too small) or the connection to be loose and cause leakage (too large). When the oil cooler is in use, the oil pipe joint will be installed on the quick connector to connect with the oil pipe. After the quick connector is processed, its size needs to be inspected to ensure that the oil pipe joint can be accurately installed. Usually, the inspection is performed by assembling the oil pipe joint. The joint is small, which makes it inconvenient for operators to inspect. In addition, the oil pipe joint is usually a plastic joint, which is easily worn out after being plugged in and out for a long time, resulting in inaccurate inspection and causing defective products to enter the market.

[0005] Therefore, in order to solve the problems of water test detection and quick connector accuracy detection, a dual-purpose tool for oil cooler quick connector detection and water test is designed, which can not only ensure the safety of water test but also perform size detection on quick connectors. Utility Model Content

[0006] The purpose of the utility model is to address the above-mentioned problems in the existing technology and to propose a dual-purpose tool for oil cooler quick connector detection and water testing. The technical problem to be solved by the device is: how to design a dual-purpose tool that can both perform size detection on oil cooler quick connectors and meet water testing requirements.

[0007] The purpose of the utility model can be achieved through the following technical solutions:

[0008] A dual-purpose tool for detecting and testing a quick connector of an oil cooler, comprising an oil cooler body, a quick connector, a water chamber, a water test connector and a test plug, wherein the oil cooler body is installed in the water chamber, and oil cooler connectors are provided at the inlet and outlet of the oil cooler body, the quick connector is connected to the oil cooler connector, and the water test connector and the test plug are both detachably connected to the quick connector by means of a snap connection, the water test connector is installed on the quick connector at the air inlet end, and the test plug is installed on the quick connector at the air outlet end, and a snap connector is provided at the lower end of the water test connector and the test plug, the structure of the snap connector is adapted to the inner hole structure of the quick connector, and the snap connector is inserted into the quick connector during installation.

[0009] A card joint is set on both the water test joint and the detection plug. The size of the card joint is designed and adapted according to the inner hole structure of the quick connector within the accuracy range. The structure of the card joint is the same as the plug-in end structure of the oil pipe joint. Both the water test joint and the detection plug can be used as detection tools to perform precision detection on the quick connector. When the processing size of the quick connector connection hole is too small, the card joint cannot be inserted. When the size is too large, it will be loose after installation and leak during the water test. During the water test, the oil cooler body is installed in the water chamber, the water test joint is installed on the quick connector at the air inlet end, and the detection plug is installed on the quick connector at the air outlet end. The air pipe is connected to the water test joint for air intake and pressure is maintained. If bubbles appear in the water chamber, it means that the oil cooler is leaking and the product is unqualified.

[0010] The water testing joint and the detection plug are both made of stainless steel, are not easy to wear as detection tools, have high detection accuracy, and can be reused as water testing tools with a long service life.

[0011] The water test joint and the detection plug have the same appearance structure and size. The detection plug is a solid structure, and an air inlet hole is opened inside the water test joint.

[0012] With the above structure, both the water test joint and the detection plug can be used as detection tools for quick connectors, which have strong versatility. The same external dimensions of the two also facilitate processing.

[0013] An air pipe joint is installed at the upper end of the water testing joint. It is more convenient and quick to connect the air pipe through the air pipe joint. The air pipe joint is threadedly connected to the water testing joint. The upper end of the air inlet of the water testing joint is provided with an internal thread for connecting the air pipe joint.

[0014] The quick connector is provided with an elastic pressure ring, which is used to press the water chamber when the oil cooler is installed. A first sealing ring is sleeved on the quick connector, and the first sealing ring is located below the elastic pressure ring. A first sealing ring installation groove is provided on the quick connector, and the first sealing ring is used to seal the connection between the quick connector and the oil cooler connector. A second sealing ring is provided inside the quick connector, and a second sealing ring installation groove is provided inside the quick connector, and the second sealing ring is used to seal after the card connector is inserted.

[0015] The quick connector is provided with a plurality of retaining springs, the quick connector is provided with retaining spring installation grooves at equal intervals, the retaining springs are installed in the retaining spring installation grooves, and the retaining joint is provided with a plurality of retaining grooves matching the retaining springs at equal intervals.

[0016] With the above structure, after the water test joint or the detection plug is inserted into the quick joint, the water test joint and the detection plug are rotated so that the retaining spring is inserted into the retaining groove, and the water test joint or the detection plug is fixed by the retaining spring, making the connection more secure, improving the connection stability, and preventing it from popping out when pressure is applied.

[0017] Compared with the existing technology, this oil cooler quick connector detection and water testing dual-purpose tool has the following advantages:

[0018] 1. In this tool, both the water test joint and the detection plug are provided with a clamping joint. The size of the clamping joint is designed to match the inner hole structure of the quick connector within the accuracy range, that is, the structure of the clamping joint is the same as the plug-in end structure and size of the oil pipe connector. Both the water test joint and the detection plug can be used as detection tools for quick connectors to detect the dimensional accuracy of quick connectors. At the same time, they can also be used as water test joints, which are quick to install and simple and convenient to operate.

[0019] 2. The water test joint and the detection plug are made of stainless steel, which is convenient for controlling the processing precision, has high detection accuracy, is not easy to wear, can be reused, and has a long service life.

[0020] 3. After installation, the water test joint and the detection plug are fixed by a retaining spring. The connection is stable and not easy to loosen. It will not pop out and cause danger when pressure is applied. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of an existing oil cooler water testing device;

[0022] Figure 2 It is a structural schematic diagram of the utility model;

[0023] Figure 3 It is a structural schematic diagram of the water test joint in the utility model;

[0024] Figure 4 It is a schematic diagram of the internal structure of the detection plug in the utility model;

[0025] Figure 5 It is a structural schematic diagram of the quick-release joint in the utility model;

[0026] Figure 6 It is a schematic diagram of the cross-sectional structure of the quick connector in the utility model;

[0027] Figure 7 It is a structural schematic diagram of the retaining spring in the utility model;

[0028] In the figure: 1. Oil cooler body; 2. Oil cooler joint; 3. Quick joint; 301. Elastic pressure ring; 302. Retaining spring mounting groove; 303. Retaining spring; 4. Water chamber; 5. Water test joint; 501. First clamping joint; 502. First clamping groove; 503. Air inlet; 504. Internal thread; 6. Air pipe joint; 7. Detection plug; 701. Second clamping joint; 702. Second clamping groove; 8. First sealing ring; 9. Second sealing ring. DETAILED DESCRIPTION

[0029] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0030] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0031] In the description of this patent, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing this patent 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 this patent.

[0032] In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be fixedly connected or set, or it can be detachably connected or set, or it can be connected or set in one piece. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

[0033] See also Figure 2-7The present embodiment provides a dual-purpose tool for oil cooler quick connector detection and water testing, including an oil cooler body 1, a quick connector 3, a water chamber 4, a water testing connector 5 and a testing plug 7. The oil cooler body 1 is installed in the water chamber 4. The inlet and outlet of the oil cooler body 1 are both provided with oil cooler connectors 2. The quick connector 3 is connected to the oil cooler connector 2. The water testing connector 5 and the testing plug 7 are both detachably connected to the quick connector 3 by means of a snap connection. The water testing connector 5 is installed on the quick connector 3 at the air inlet end, and the testing plug 7 is installed on the quick connector 3 at the air outlet end. The lower ends of the water testing connector 5 and the testing plug 7 are both provided with a snap connector. The structure of the snap connector is adapted to the inner hole structure of the quick connector 3. The snap connector is inserted into the quick connector 3 during installation.

[0034] When the oil cooler is in use, an oil pipe joint will be installed on the quick connector 3 to connect with the oil pipe. After the quick connector 3 is processed, its size needs to be tested to ensure that the oil pipe joint can be accurately installed. Usually, the test is performed by assembling the oil pipe joint. The joint is small, which is inconvenient for operators to test. In addition, the oil pipe joint is usually a plastic joint, which is easily worn out after being plugged in and out for a long time, resulting in inaccurate detection.

[0035] In this embodiment, a card joint is provided on both the water test joint 5 and the detection plug 7. The size of the card joint is designed to be adaptive according to the inner hole structure of the quick connector 3 within the accuracy range, that is, the structure of the card joint is the same as the plug-in end structure of the oil pipe connector. The water test joint 5 and the detection plug 7 can both be used as detection tools to perform accuracy detection on the quick connector 3. When the processing size of the connection hole of the quick connector 3 is too small, the card joint cannot be inserted. When the size is too large, it will be loose after installation and leak during the water test. During the water test, the oil cooler body 1 is installed in the water chamber 4, the water test joint 5 is installed on the quick connector 3 at the air inlet end, the detection plug 7 is installed on the quick connector 3 at the air outlet end, the air pipe is connected to the water test joint 5 for air intake and pressure is maintained. If bubbles appear in the water chamber 4, it means that the oil cooler is leaking and the product is unqualified.

[0036] The water testing joint 5 and the detection plug 7 are both made of stainless steel, which is not easy to wear as a detection tool and has high detection accuracy. At the same time, they can be used as water testing tools, which can be reused and have a long service life.

[0037] In this embodiment, the size of the card connector is 0.1 mm smaller than the inner hole size of the quick connector 3 , which is within the tolerance range of the product, facilitates the insertion of the card connector, and does not affect the sealing of the connection.

[0038] The water test joint 5 and the detection plug 7 have the same appearance structure and size. The detection plug 7 is a solid structure, and an air inlet 503 is opened inside the water test joint 5. The water test joint 5 and the detection plug 7 can both be used as detection tools for the quick connector 3, and have strong versatility. The same appearance size of the two also facilitates processing.

[0039] An air pipe connector 6 is installed at the upper end of the water testing connector 5. It is more convenient and quick to connect the air pipe through the air pipe connector 6. The air pipe connector 6 is threadedly connected to the water testing connector 5. The upper end of the air inlet hole 503 of the water testing connector 5 is provided with an internal thread 504 for connecting the air pipe connector 6.

[0040] The quick connector 3 is provided with an elastic pressure ring 301, which is used to press the water chamber 4 when the oil cooler is installed. The quick connector 3 is sleeved with a first sealing ring 8, which is located below the elastic pressure ring 301. The quick connector 3 is provided with a first sealing ring installation groove, which is used to seal the connection between the quick connector 3 and the oil cooler connector 2. A second sealing ring 9 is provided inside the quick connector 3, and a second sealing ring installation groove is provided inside the quick connector 3. The second sealing ring 9 is used to seal after the card connector is inserted.

[0041] The quick connector 3 is provided with a plurality of retaining springs 303, and a retaining spring installation groove 302 is provided on the quick connector 3, in which the retaining spring 303 is installed. Preferably, in this embodiment, three retaining springs 303 are provided on the quick connector 3, and the three retaining springs 303 are evenly distributed around the circumference, and three clamping grooves matching with the retaining springs 303 are equidistantly provided on the clamping connector; after the water test connector 5 or the detection plug 7 is inserted into the quick connector 3, the water test connector 5 and the detection plug 7 are rotated so that the retaining spring 303 is clamped into the clamping groove, and the water test connector 5 or the detection plug 7 is fixed by the retaining spring 303, so that the connection is more firm, the connection stability is improved, and popping out when pressure is applied is prevented.

[0042] The lower end of the water testing joint 5 is provided with a first clamping joint 501, and three first clamping grooves 502 evenly distributed in a circumference are opened on the first clamping joint 501; when installing the water testing joint 5, the first clamping joint 501 is inserted into the quick joint 3 and rotated to make the retaining spring 303 engage in the first clamping groove 502 to fix it. When disassembling, the water testing joint 5 is rotated in the reverse direction to make the retaining spring 303 disengage from the first clamping groove 502, and the water testing joint 5 can be pulled out.

[0043] A second clamping joint 701 is provided at the lower end of the detection plug 7, and three second clamping grooves 702 evenly distributed in a circle are opened on the second clamping joint 701; when installing the detection plug 7, the second clamping joint 701 is inserted into the quick connector 3 and rotated so that the retaining spring 303 is clamped into the second retaining groove 702 to fix it. When disassembling, the detection plug 7 is rotated in the opposite direction, the retaining spring 303 is disengaged from the second retaining groove 702, and the detection plug 7 can be pulled out.

[0044] The working principle of this utility model:

[0045] The utility model provides a dual-purpose tool for oil cooler quick connector detection and water testing. A card joint is provided on both the water test connector 5 and the detection plug 7. The size of the card joint is designed to be adaptive according to the inner hole structure of the quick connector 3 within the accuracy range, that is, the structure of the card joint is the same as the plug-in end structure and size of the oil pipe connector. The water test connector 5 and the detection plug 7 can be used as a detection tool for the quick connector 3 and can also be used as a water test connector. The operation is simple and convenient. When the size of the quick connector 3 is detected, the card joint of the water test connector 5 or the detection plug 7 is inserted into the connection hole of the quick connector 3. When the processing size of the connection hole of the quick connector 3 is too small, the card joint cannot be inserted. When the size of the connection hole is too large, it will become loose after insertion and air leakage will occur at this place during the water test.

[0046] During the water test, the oil cooler body 1 is installed in the water chamber 4, the quick connector 3 is screwed into the oil cooler connector 2 from the upper part of the water chamber 4 to fix the oil cooler body 1, and then the water test connector 5 is installed on the quick connector 3 at the air inlet end, and the detection plug 7 is installed on the quick connector 3 at the air outlet end. After the water test connector 5 or the detection plug 7 is inserted into the quick connector 3, the water test connector 5 and the detection plug 7 are rotated to make the retaining spring 303 snap into the snap-in groove for fixation, and the air pipe connector 6 is installed on the water test connector 5 and connected to the air pipe, and air is introduced and pressure is maintained. If bubbles appear in the water chamber 4, it means that the oil cooler is leaking and the product is unqualified. Check the leaking position and rework and repair it to prevent unqualified products from entering the market.

[0047] After the detection is completed, the water test connector 5 and the detection plug 7 are rotated to disengage the clamping spring 303 from the clamping groove, and the water test connector 5 and the detection plug 7 can be pulled out.

[0048] The above describes in detail the preferred implementation of this patent, but this patent is not limited to the above implementation. Various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of this patent.

Claims

1. A dual-purpose tool for testing and testing a quick connector of an oil cooler, comprising an oil cooler body (1), a quick connector (3), a water chamber (4), a water testing connector (5) and a testing plug (7), characterized in that: The oil cooler body (1) is installed in the water chamber (4). The inlet and outlet of the oil cooler body (1) are both provided with oil cooler joints (2). The quick joint (3) is connected to the oil cooler joint (2). The water test joint (5) and the detection plug (7) are both detachably connected to the quick joint (3) by means of a snap connection. The water test joint (5) is installed on the quick joint (3) at the air inlet end, and the detection plug (7) is installed on the quick joint (3) at the air outlet end. The lower ends of the water test joint (5) and the detection plug (7) are both provided with a snap joint. The structure of the snap joint is adapted to the inner hole structure of the quick joint (3). The snap joint is inserted into the quick joint (3) during installation.

2. The oil cooler quick connector detection and water testing dual-purpose tool according to claim 1, characterized in that: The water test joint (5) and the detection plug (7) are both made of stainless steel.

3. The oil cooler quick connector detection and water testing dual-purpose tool according to claim 2, characterized in that: The water test joint (5) and the detection plug (7) have the same appearance structure and size. The detection plug (7) is a solid structure, and an air inlet hole (503) is provided inside the water test joint (5).

4. The oil cooler quick connector detection and water testing dual-purpose tool according to claim 3, characterized in that: The upper end of the water testing joint (5) is provided with an air pipe joint (6), and the upper end of the air inlet hole (503) of the water testing joint (5) is provided with an internal thread (504) for connecting to the air pipe joint (6).

5. The oil cooler quick connector detection and water testing dual-purpose tool according to claim 1, characterized in that: The quick connector (3) is provided with an elastic pressure ring (301), a first sealing ring (8) is sleeved on the quick connector (3), the first sealing ring (8) is located below the elastic pressure ring (301), a first sealing ring installation groove is provided on the quick connector (3), a second sealing ring (9) is provided inside the quick connector (3), and a second sealing ring installation groove is provided inside the quick connector (3).

6. The oil cooler quick connector detection and water testing dual-purpose tool according to claim 5, characterized in that: The quick connector (3) is provided with a plurality of retaining springs (303), the quick connector (3) is provided with retaining spring installation grooves (302) at equal intervals, the retaining springs (303) are installed in the retaining spring installation grooves (302), and the retaining joint is provided with a plurality of retaining grooves matching the retaining springs (303) at equal intervals.

7. The oil cooler quick connector detection and water testing dual-purpose tool according to claim 6, characterized in that: The quick connector (3) is provided with three clamping springs (303) which are evenly distributed around the circumference. The lower end of the water testing connector (5) is provided with a first clamping connector (501), and the first clamping connector (501) is provided with three first clamping grooves (502) which are evenly distributed around the circumference.

8. The oil cooler quick connector detection and water testing dual-purpose tool according to claim 7, characterized in that: A second clamping joint (701) is provided at the lower end of the detection plug (7), and three second clamping grooves (702) evenly distributed in a circumference are provided on the second clamping joint (701).

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