Engine water pump leakage detection tool

Abstract

The utility model relates to an engine water pump leakage detection instrument, contain water pump profiling base, quick -plug, flexible hose, pressure regulating valve, water pump profiling base is cuboid structure, the upper surface of water pump profiling base and the corresponding position of engine water pump junction department is equipped with the openwork structure of milling, the side of water pump profiling base is equipped with the gas interface of internal openwork, the upper end through -hole of gas interface is located the upper surface of water pump profiling base, the side end through -hole of gas interface is located the side surface of water pump profiling base, the one end of flexible hose is communicated with the side end through -hole of gas interface through quick -plug, and the other end is communicated with the air inlet end of pressure regulating valve through quick -plug, the air outlet end of pressure regulating valve is connected gas source through pressure regulating valve quick -joint. The utility model avoids the risk of direct detection on the engine, guarantees the safety of test personnel, improves the detection efficiency and accuracy.

Description

Technical Field

[0001] This utility model relates to the technical field of engine water pump testing tools, and specifically to an engine water pump leakage detection tool. Background Technology

[0002] During engine after-sales maintenance, when troubleshooting engine water leaks, the water pump is installed low on the vehicle due to the compact installation of the engine. Exposed water can easily drip onto the water pump, making it difficult for maintenance personnel to accurately determine the source of the leak and easily leading to misdiagnosis as a water pump leak. Utility Model Content

[0003] This utility model addresses the above-mentioned problems by providing an engine water pump leakage detection tool, which aims to avoid the risks of direct detection on the engine, ensure the safety of testing personnel, and improve detection efficiency and accuracy.

[0004] To solve the above problems, the technical solution provided by this utility model is as follows: An engine water pump leak detection tool includes a water pump conformal base, a quick-connect plug, a flexible hose, and a pressure regulating valve, wherein: The water pump conformal base is a cuboid structure. A milled hollow structure is provided on the upper surface of the water pump conformal base at the corresponding position of the connection point with the engine water pump. The shape of the hollow structure matches the shape of the engine water pump. The outer ring of the hollow structure has multiple threaded mounting holes for fixing the engine water pump, and the layout of these threaded mounting holes matches the mounting hole positions of the engine water pump. The side of the water pump conformal base has an internally hollowed-out gas interface. The upper through-hole of the gas interface is located on the upper surface of the water pump conformal base, and the side through-hole of the gas interface is located on the side surface of the water pump conformal base. One end of the flexible hose is connected to the side through-hole of the gas interface via a quick-connect plug, and the other end is connected to the air inlet of the pressure regulating valve via the quick-connect plug. The air outlet of the pressure regulating valve is connected to a gas source via a pressure regulating valve quick connector.

[0005] Preferably, the specific dimensions of the water pump conformal base are: length 240.3mm × width 200.5mm × thickness 30mm.

[0006] Preferably, the threaded mounting holes are 11 sets of M6 threaded holes, and the engine water pump is mounted on the water pump conformal base by 11 M6 hexagonal flange bolts with sealing rings.

[0007] Preferably, the mounting surface of the water pump conformal base is precision ground to a roughness of Rz0.8.

[0008] Preferably, the four corners of the water pump conformal base are provided with base fixing holes for fixing.

[0009] Preferably, the water pump conformal base is provided with multiple weight-reducing hollow structures for weight reduction.

[0010] Preferably, the quick-connect plug is a 14mm outer diameter to 8mm inner diameter pagoda-shaped straight quick-connect plug that matches the gas interface.

[0011] Preferably, the pressure regulating valve quick connector is a quick-connect plug with a 1 / 4 NPT thread.

[0012] Preferably, the air source is a compressed air bottle or an air pump, and the air source is equipped with an air source interface with an outer diameter of 11 mm.

[0013] Preferably, the length of the flexible hose is 5000 mm.

[0014] Compared with the prior art, this utility model has the following advantages: Because this invention enables independent testing of the engine water pump detached from the engine, it avoids the risks of direct testing on the engine and ensures the safety of testing personnel.

[0015] Because this invention eliminates interference from other parts of the engine with the test results, leak detection can be completed with a single installation, thus significantly improving detection efficiency and accuracy. Attached Figure Description

[0016] Figure 1a This is a schematic diagram of the gas path system connection according to a specific embodiment of the present utility model; Figure 1b This is a three-dimensional schematic diagram of the water pump conformal base according to a specific embodiment of the present utility model; Figure 1c This is a schematic diagram of a pressure regulating valve according to a specific embodiment of the present utility model; Figure 1d This is a schematic diagram of the hexagonal flange bolts in a specific embodiment of the present utility model; Figure 2a This is a bottom view schematic diagram of the water pump contour base according to a specific embodiment of the present utility model; Figure 2b This is a top view schematic diagram of a water pump conformal base according to a specific embodiment of the present utility model; Figure 2c This is a schematic cross-sectional view of the water pump conformal base in the AA direction according to a specific embodiment of the present utility model; Figure 2d This is a schematic cross-sectional view of the water pump conformal base in the BB direction, which is a specific embodiment of this utility model.

[0017] The components include: 1. Water pump conformal base; 2. Quick-connect plug; 3. Flexible hose; 4. Pressure regulating valve; 5. Hexagonal flange bolts; 1.1. Hollowed-out structure; 1.2. Threaded mounting hole; 1.3. Gas interface; 1.3.1. Top through hole; 1.3.2. Side through hole; 1.4. Base fixing hole; 1.5. Weight-reducing hollowed-out structure; 4.1. Air inlet; 4.2. Pressure regulating valve quick connector. Detailed Implementation

[0018] The present invention will be further illustrated below with reference to specific embodiments. It should be understood that these embodiments are only for illustrating the present invention and are not intended to limit the scope of the present invention. After reading the present invention, any modifications of the present invention in various equivalent forms by those skilled in the art will fall within the scope defined by the appended claims.

[0019] This utility model application claims protection for an engine water pump leak detection tool, such as... Figure 1a , 1b The following components are shown in 1c, 1d, 2a, 2b, 2c, and 2d: 1. Water pump conformal base; 2. Quick-connect plug; 3. Flexible hose; 4. Pressure regulating valve. The water pump conformal base 1 has a cuboid structure. A milled hollow structure 1.1 is provided on the upper surface of the water pump conformal base 1 at the corresponding position of the connection point with the engine water pump. The shape of the hollow structure 1.1 matches the shape of the engine water pump to ensure the precision of the fit. The outer ring of the hollow structure 1.1 has multiple threaded mounting holes 1.2 for fixing the engine water pump, and the layout of the threaded mounting holes 1.2 is consistent with the mounting hole positions of the engine water pump. The side of the water pump conformal base 1 has internally hollowed-out gas... Interface 1.3, the upper end through hole 1.3.1 of the gas interface 1.3 is provided on the upper surface of the water pump conformal base 1, and the side end through hole 1.3.2 of the gas interface 1.3 is provided on the side surface of the water pump conformal base 1; one end of the flexible hose 3 is connected to the side end through hole 1.3.2 of the gas interface 1.3 through the quick connector 2, and the other end is connected to the air inlet 4.1 of the pressure regulating valve 4 through the quick connector 2; the air outlet of the pressure regulating valve 4 is connected to the air source through the pressure regulating valve quick connector 4.2.

[0020] In this specific embodiment, the specific dimensions of the water pump conforming base 1 are: 240.3mm in length × 200.5mm in width × 30mm in thickness. The water pump conforming base 1 simulates the surface of the engine water pump housing that is in contact with the water pump.

[0021] In this specific embodiment, the threaded mounting hole 1.2 consists of 11 sets of M6 threaded holes, and the engine water pump is mounted on the water pump conformal base 1 by 11 M6 hexagonal flange bolts 5 with sealing rings.

[0022] It should be noted that the mounting surface of the water pump conformal base 1 has been finely ground, with a roughness of Rz0.8.

[0023] It should be further noted that the water pump conformal base 1 has base fixing holes 1.4 at its four corners for fixing.

[0024] It should be further explained that the water pump contour base 1 is equipped with multiple weight-reducing hollow structures 1.5 for weight reduction.

[0025] In this specific embodiment, the quick-connect plug 2 is a 14mm outer diameter to 8mm inner diameter pagoda-shaped straight quick-connect plug that matches the gas interface 1.3.

[0026] In this specific embodiment, the pressure regulating valve quick connector 4.2 is a quick-connect plug with a 1 / 4 NPT thread.

[0027] In this specific embodiment, the air source is a compressed air bottle or an air pump, and the air source is equipped with an air source interface with an outer diameter of 11mm.

[0028] In this specific embodiment, the length of the flexible hose 3 is 5000mm.

[0029] It should be noted that the specific implementation of this utility model includes the following steps: S1. Water pump installation steps: During testing, the mounting surface of the water pump housing to be tested is first wiped clean with a non-woven cloth, and then placed on the water pump conformal base 1. The M6 ​​bolt holes are aligned, and the hexagonal flange bolts 5 are tightened in diagonal order. The tightening torque is 8 N·m to ensure that the water pump and the base fit tightly together, simulating its actual installation state on the engine and forming a sealed space.

[0030] S2. Gas system connection: Connect the water pump conformal base 1 to the flexible hose 3 using a 14mm outer diameter to 8mm inner diameter pagoda-shaped quick-connect plug. Connect the other end of the flexible hose 3 to the pressure regulating valve 4 using a quick-connect plug 2 of the same specification. Connect the air source to the pressure regulating valve 4 through the pressure regulating valve quick connector 4.2 with a 1 / 4 NPT thread to achieve quick disassembly and air circuit connection.

[0031] S3. Leakage Detection Procedure: Immersion test environment: Completely immerse the installed water pump conformal base 1 and the entire water pump in a water container, ensuring that the water surface covers all possible leaking parts of the water pump.

[0032] Pressure Adjustment and Observation: Turn on the gas supply switch and slowly adjust the pressure regulating valve 4 until the pressure gauge reading gradually rises to 240 kPa and remains stable. Carefully observe whether any bubbles emerge from the water. No air bubbles: This indicates that the water pump has good sealing performance and no leakage; Bubbles: Determine the leak point based on the location of the bubbles - if bubbles continuously emerge from the contact surface between the pump housing and the pump conformal base 1, it indicates that there is a leak in the housing sealing surface; if bubbles emerge from a specific drain hole of the pump, it indicates that the seal at the drain hole has failed or the component is damaged.

[0033] In the above detailed description, various features are combined together in a single embodiment to simplify this disclosure. This approach to disclosure should not be construed as reflecting an intention that embodiments of the claimed subject matter require more features than are explicitly stated in each claim. Rather, as reflected in the appended claims, the invention is presented with fewer features than all of the features in a single disclosed embodiment. Therefore, the appended claims are hereby explicitly incorporated into the detailed description, with each claim representing a separate preferred embodiment of the invention.

[0034] The disclosed embodiments have been described above to enable any person skilled in the art to implement or use this invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be applied to other embodiments without departing from the spirit and scope of this disclosure. Therefore, this disclosure is not limited to the embodiments given herein, but is consistent with the widest scope of the principles and novel features disclosed in this application.

[0035] The foregoing description includes examples of one or more embodiments. It is certainly impossible to describe all possible combinations of components or methods in order to describe the above embodiments, but those skilled in the art will recognize that further combinations and arrangements of the various embodiments are possible. Therefore, the embodiments described herein are intended to cover all such changes, modifications, and variations that fall within the scope of the appended claims. Furthermore, the term "comprising" as used in the specification or claims is interpreted in a manner similar to the term "including," as interpreted when used as a conjunction in the claims. Additionally, the use of any term "or" in the specification of the claims is intended to mean "non-exclusive or."

[0036] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this utility model. It should be understood that the above description is only a specific embodiment of this utility model and is not intended to limit the scope of protection of this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.

Claims

1. A tool for detecting engine water pump leaks, characterized in that: Includes a water pump conformal base (1), a quick-connect plug (2), a flexible hose (3), and a pressure regulating valve (4), wherein: The water pump contour base (1) is a cuboid structure; the upper surface of the water pump contour base (1) is provided with a milled hollow structure (1.1) at the corresponding position of the connection between the water pump and the engine water pump, and the shape of the hollow structure (1.1) matches the shape of the engine water pump; the outer ring of the hollow structure (1.1) is provided with a plurality of threaded mounting holes (1.2) for fixing the engine water pump, and the layout of the threaded mounting holes (1.2) is consistent with the mounting hole position of the engine water pump; the side of the water pump contour base (1) is provided with an internally hollowed gas interface (1.3), and the gas interface (1.3) is provided with a hollowed-out gas interface (1.3). 3) The upper through hole (1.3.1) is provided on the upper surface of the water pump conformal base (1), and the side through hole (1.3.2) of the gas interface (1.3) is provided on the side surface of the water pump conformal base (1); one end of the flexible hose (3) is connected to the side through hole (1.3.2) of the gas interface (1.3) through the quick connector (2), and the other end is connected to the air inlet (4.1) of the pressure regulating valve (4) through the quick connector (2); the air outlet of the pressure regulating valve (4) is connected to the air source through the pressure regulating valve quick connector (4.2).

2. The engine water pump leakage detection tool according to claim 1, characterized in that: The specific dimensions of the water pump conformal base (1) are: length 240.3mm × width 200.5mm × thickness 30mm.

3. The engine water pump leakage detection tool according to claim 2, characterized in that: The threaded mounting holes (1.2) are 11 sets of M6 threaded holes, and the engine water pump with sealing ring is mounted on the water pump conformal base (1) by 11 M6 type hexagonal flange bolts (5).

4. The engine water pump leakage detection tool according to claim 3, characterized in that: The mounting surface of the water pump conformal base (1) has been finely ground to a roughness of Rz0.

8.

5. The engine water pump leakage detection tool according to claim 4, characterized in that: The water pump contour base (1) has base fixing holes (1.4) at its four corners for fixing.

6. The engine water pump leakage detection tool according to claim 5, characterized in that: The water pump contour base (1) is provided with multiple weight-reducing hollow structures (1.5) for weight reduction.

7. The engine water pump leakage detection tool according to claim 6, characterized in that: The quick-connect plug (2) is a 14mm outer diameter to 8mm inner diameter pagoda-shaped quick-connect plug that matches the gas interface (1.3).

8. The engine water pump leakage detection tool according to claim 7, characterized in that: The pressure regulating valve quick connector (4.2) is a quick-connect plug with a 1 / 4 NPT thread.

9. The engine water pump leakage detection tool according to claim 8, characterized in that: The air source is a compressed air bottle or an air pump, and the air source is equipped with an air source interface with an outer diameter of 11 mm.

10. The engine water pump leakage detection tool according to claim 9, characterized in that: The flexible hose (3) has a length of 5000 mm.

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