Durability testing device for sealing plug of automobile engine

By designing a device comprising a base, a buffer pad, a vibrator, a test chamber, a fixed partition, and a liquid sensor, the problem of water leakage caused by corrosion of sealing plugs in antifreeze was solved, enabling improved accuracy in testing the durability of sealing plugs and making it suitable for durability testing of automotive engine sealing plugs.

CN223650160UActive Publication Date: 2025-12-09NINGBO FENGYUAN LIANSHENG MASCH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520120534.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2025-12-09
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

In the existing technology, the sealing plugs of automobile engines are corroded by acidic and harmful substances during long-term contact with antifreeze, resulting in water leakage. A device is needed to test their durability so that they can be replaced in a timely manner.

Method used

A device comprising a base, a buffer pad, a vibrator, a test chamber, a fixed partition, a plug mounting hole, a liquid sensor, and a timer was designed. This device simulates engine vibration and temperature changes to test the durability of the test chamber. By setting up the fixed partition, liquid sensor, and power regulator, the device enables durability testing of the seals. Furthermore, by using the liquid sensor and timer, the device tests the durability of automotive engine sealing plugs.

Benefits of technology

It enables accurate testing of the durability of sealing plugs, provides durability data for sealing plugs, improves the timeliness of replacement and the accuracy of testing, and can test the durability differences of sealing plugs under different environments.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223650160U_ABST
    Figure CN223650160U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of engine sealing plug testing, in particular to a durability testing device for an automobile engine sealing plug. According to the technical scheme, the device comprises a base, a buffer pad is fixedly mounted on the upper surface of the base, a test box is fixedly mounted on the upper surface of the buffer pad, a vibrator is fixedly mounted on the lower surface of the test box, a fixed partition plate is fixedly mounted in the test box, and a plurality of plug mounting holes are formed in the front surface of the fixed partition plate at equal intervals; a partition plate is fixedly mounted at the bottom of the inner wall of the test box and located between every two adjacent plug mounting holes, a liquid sensor is fixedly mounted at the position, below each plug mounting hole, of the bottom of the inner wall of the test box, and a heating plate is fixedly mounted at the position, close to the rear surface of the fixed partition plate, in the test box. According to the utility model, the durability of the sealing plug of the automobile engine can be tested to obtain the durability of the sealing plug, so that the sealing plug can be replaced conveniently.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to engine sealing plug test technical field, concretely is a kind of automobile engine sealing plug endurance test device. BACKGROUND

[0002] Automobile engine sealing plug is a kind of component for engine cooling system, its main role is to prevent the mixture of water and gas, improve cooling effect, and protect engine from extreme temperature damage.

[0003] At present, automobile engine sealing plug is in long-term contact with antifreeze, and harmful substances such as acidity in antifreeze can cause sealing plug corrosion, so that water leakage phenomenon occurs, so the durability of sealing plug needs to be known to facilitate timely detection and replacement of sealing plug, therefore, we propose a kind of automobile engine sealing plug endurance test device. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of automobile engine sealing plug endurance test device, with the advantage that the durability of automobile engine sealing plug can be tested, to obtain the durability of sealing plug, so as to facilitate replacement, solve the problem that, at present, automobile engine sealing plug is in long-term contact with antifreeze, and harmful substances such as acidity in antifreeze can cause sealing plug corrosion, so that water leakage phenomenon occurs, so the durability of sealing plug needs to be known to facilitate timely detection and replacement of sealing plug.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of automobile engine sealing plug endurance test device, including base, the upper surface of the base is fixedly installed with buffer pad, the upper surface of the buffer pad is fixedly installed with test box, the lower surface of the test box is fixedly installed with vibrator, the inside of the test box is fixedly installed with fixed baffle, the front surface of the fixed baffle is equidistantly divided and is provided with a plurality of plug installation holes, the bottom of the inner wall of the test box is fixedly installed with partition plate between adjacent two plug installation holes, the bottom of the inner wall of the test box is fixedly installed with liquid sensor below each plug installation hole position, the inside of the test box is fixedly installed with heating plate close to the rear surface of fixed baffle position, the front surface of the base is fixedly installed with chronograph.

[0006] Preferably, the front surface of the fixed baffle is provided with expansion groove at each plug installation hole position, and the aperture of expansion groove is greater than plug installation hole, the front surface of the fixed baffle is provided with guide groove below each expansion groove position, and guide groove and expansion groove are communicated, liquid leaked from plug installation hole is collected in expansion groove, and after flowing downward along guide groove, liquid is dropped on liquid sensor, so that liquid leaked from plug installation hole is better detected by liquid sensor.

[0007] Preferably, a display screen is fixedly mounted on the front surface of the timer, and the display screen and the timer are electrically connected to display the durability time of the sealing plug.

[0008] Preferably, two power regulators are fixedly installed on the front surface of the base. The two power regulators are electrically connected to the heating plate and the vibrator, respectively, so as to control the vibration power of the test chamber and the temperature of the antifreeze inside the test chamber, so as to test the durability of the sealing plug under different environments.

[0009] Preferably, a temperature sensor is fixedly installed inside the test chamber above the heating plate to detect the temperature of the antifreeze inside the test chamber. The temperature sensor is electrically connected to the display screen to display the temperature of the antifreeze.

[0010] Preferably, a start / stop switch is fixedly installed on the front surface of the base, and the vibrator, heating plate and timer are all electrically connected to the start / stop switch to control the start and stop of the testing equipment.

[0011] Preferably, an inlet valve is fixedly connected to the upper surface of the test chamber near the rear surface, and a drain valve is fixedly connected to the rear surface of the test chamber near the lower surface. The antifreeze used for testing is added into the test chamber through the inlet valve and can be discharged through the drain valve.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] This invention, by setting up a base, buffer pad, vibrator, test chamber, fixed partition, plug mounting hole, separator, liquid sensor, and timer, achieves the effect of testing the durability of automotive engine sealing plugs to obtain the durability of the sealing plugs for easy replacement. The sealing plug is installed inside the plug mounting hole. The vibrator drives the test chamber to vibrate to simulate the vibration of an automotive engine, while the heating plate heats the antifreeze inside the test chamber to simulate the temperature of the antifreeze inside an automotive engine. When the sealing plug corrodes, the antifreeze inside the test chamber will leak from the plug mounting hole and drip onto the liquid sensor. The timer then measures the time to test the durability of the sealing plug. At the same time, multiple identical sealing plugs can be installed in multiple plug mounting holes to obtain the average durability of the sealing plugs, improving the accuracy of the test. Different sealing plugs can also be installed in different plug mounting holes to test the differences in durability between different sealing plugs.

[0014] This invention, by setting an expansion groove and a guide groove, achieves the effect of guiding the liquid leaking from the plug mounting hole, so that the leaking liquid can be better detected by the liquid sensor. The liquid leaking from the plug mounting hole is collected inside the expansion groove, flows down along the guide groove and drips onto the liquid sensor.

[0015] This invention, by incorporating a power regulator, can control the vibration power of the test chamber and the temperature of the antifreeze inside the test chamber, thereby facilitating the testing of the durability of the sealing plug under different environments. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0017] Figure 2 This is a partial three-dimensional structural diagram of the fixed partition of this utility model;

[0018] Figure 3 This is a schematic diagram of the main structure of this utility model;

[0019] Figure 4 This is a top view of the structure of this utility model;

[0020] Figure 5 This is a side sectional view of the present invention.

[0021] Reference numerals: 1. Base; 2. Buffer pad; 3. Test chamber; 4. Fixed partition; 5. Inlet valve; 6. Divider plate; 7. Power regulator; 8. Start / stop switch; 9. Timer; 10. Display screen; 11. Guide groove; 12. Expansion groove; 13. Plug mounting hole; 14. Liquid sensor; 15. Drain valve; 16. Vibrator; 17. Heating plate; 18. Temperature sensor. Detailed Implementation

[0022] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments. Example 1

[0023] like Figures 1-5As shown, this utility model proposes a durability testing device for automotive engine sealing plugs, including a base 1, a buffer pad 2 fixedly installed on the upper surface of the base 1, a test chamber 3 fixedly installed on the upper surface of the buffer pad 2, a vibrator 16 fixedly installed on the lower surface of the test chamber 3, a fixed partition 4 fixedly installed inside the test chamber 3, the fixed partition 4 dividing the interior of the test chamber 3 into front and rear chambers, an inlet valve 5 fixedly connected to the upper surface of the test chamber 3 near the rear surface, and a drain valve 15 fixedly connected to the rear surface of the test chamber 3 near the lower surface. Antifreeze for testing is added into the test chamber 3 through the inlet valve 5 and can be discharged through the drain valve 15. A plurality of plug mounting holes 13 are evenly spaced on the front surface of the fixed partition 4, and the automotive engine sealing plugs used for testing are installed inside the plug mounting holes 13. The bottom of the inner wall of the test chamber 3 is... A partition plate 6 is fixedly installed between each of two adjacent plug mounting holes 13. The partition plate 6 divides the front chamber of the fixed partition plate 4 into several small chambers, and each small chamber corresponds one-to-one with each plug mounting hole 13. A liquid sensor 14 is fixedly installed at the bottom of the inner wall of the test chamber 3 below each plug mounting hole 13. A heating plate 17 is fixedly installed inside the test chamber 3 near the rear surface of the fixed partition plate 4. A timer 9 is fixedly installed on the front surface of the base 1. The timer 9 is electrically connected to the liquid sensor 14. A display screen 10 is fixedly installed on the front surface of the timer 9. The display screen 10 is electrically connected to the timer 9 to display the durability time of the sealing plug. A start / stop switch 8 is fixedly installed on the front surface of the base 1. The vibrator 16, the heating plate 17 and the timer 9 are all electrically connected to the start / stop switch 8 to control the start and stop of the test equipment.

[0024] In use, the automotive engine sealing plug is installed inside the plug mounting hole 13. The vibrator 16 drives the test chamber 3 to vibrate to simulate the vibration of an automotive engine. The heating plate 17 heats the antifreeze inside the test chamber 3 to simulate the temperature of the antifreeze inside the automotive engine. When the sealing plug corrodes, the antifreeze inside the test chamber 3 will leak out from the plug mounting hole 13 and drip onto the liquid sensor 14. The timer 9 is used to measure the durability of the sealing plug. At the same time, the same sealing plug can be installed in multiple plug mounting holes 13 to obtain the average value of the sealing plug durability and improve the accuracy of the test. Different sealing plugs can also be installed in different plug mounting holes 13 to test the difference in durability of different sealing plugs. Example 2

[0025] like Figure 1 and Figure 2As shown, the present invention proposes a durability testing device for automotive engine sealing plugs. Compared with Embodiment 1, this embodiment further includes an expansion groove 12 provided on the front surface of the fixed partition plate 4 at the position of each plug mounting hole 13, and the diameter of the expansion groove 12 is larger than that of the plug mounting hole 13. A guide groove 11 is provided on the front surface of the fixed partition plate 4 below each expansion groove 12, and the guide groove 11 and the expansion groove 12 are connected.

[0026] In this embodiment, the liquid leaking from the plug mounting hole 13 is collected inside the expansion groove 12, flows down along the guide groove 11 and drips onto the liquid sensor 14, so that the liquid leaking from the plug mounting hole 13 can be better detected by the liquid sensor 14. Example 3

[0027] like Figure 1 and Figure 5 As shown, the present invention proposes a durability testing device for automotive engine sealing plugs. Compared with Embodiment 1, this embodiment further includes two power regulators 7 fixedly installed on the front surface of the base 1. The two power regulators 7 are electrically connected to the heating plate 17 and the vibrator 16, respectively. A temperature sensor 18 is fixedly installed inside the test chamber 3 above the heating plate 17. The temperature of the antifreeze inside the test chamber 3 is detected by the temperature sensor 18. The temperature sensor 18 is electrically connected to the display screen 10, and the temperature of the antifreeze is displayed on the display screen 10.

[0028] In this embodiment, the two power regulators 7 can control the vibration power of the test chamber 3 and the temperature of the antifreeze inside the test chamber 3, so as to test the durability of the sealing plug under different environments.

[0029] The above specific embodiments are merely several preferred embodiments of this utility model. Based on the technical solution of this utility model and the relevant teachings of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A durability testing device for automotive engine sealing plugs, comprising a base (1), characterized in that: A buffer pad (2) is fixedly installed on the upper surface of the base (1). A test box (3) is fixedly installed on the upper surface of the buffer pad (2). A vibrator (16) is fixedly installed on the lower surface of the test box (3). A fixed partition (4) is fixedly installed inside the test box (3). Several plug mounting holes (13) are evenly spaced on the front surface of the fixed partition (4). A partition plate (6) is fixedly installed between two adjacent plug mounting holes (13) at the bottom of the inner wall of the test box (3). A liquid sensor (14) is fixedly installed below each plug mounting hole (13) at the bottom of the inner wall of the test box (3). A heating plate (17) is fixedly installed inside the test box (3) near the rear surface of the fixed partition (4). A timer (9) is fixedly installed on the front surface of the base (1).

2. The automobile engine sealing plug durability testing device according to claim 1, characterized in that: The front surface of the fixed partition (4) is provided with an expansion groove (12) at the position of each plug mounting hole (13), and the diameter of the expansion groove (12) is larger than that of the plug mounting hole (13). The front surface of the fixed partition (4) is provided with a guide groove (11) below each expansion groove (12), and the guide groove (11) and the expansion groove (12) are connected.

3. The automobile engine sealing plug durability testing device according to claim 1, characterized in that: The display screen (10) is fixedly mounted on the front surface of the timer (9).

4. The automobile engine sealing plug durability testing device according to claim 1, characterized in that: Two power regulators (7) are fixedly installed on the front surface of the base (1).

5. The durability testing device for an automotive engine sealing plug according to claim 1, characterized in that: A temperature sensor (18) is fixedly installed inside the test chamber (3) above the heating plate (17).

6. The durability testing device for an automotive engine sealing plug according to claim 1, characterized in that: A start / stop switch (8) is fixedly installed on the front surface of the base (1).

7. The automobile engine sealing plug durability testing device according to claim 1, characterized in that: An inlet valve (5) is fixedly connected to the upper surface of the test chamber (3) near the rear surface, and a drain valve (15) is fixedly connected to the rear surface of the test chamber (3) near the lower surface.