Engine oil sensor with good installation universality
By designing a plug-in sleeve and threaded connection structure adapted to the engine oil hole, the problem of installation universality caused by the differences in oil holes of different engine models was solved, realizing rapid installation of the oil sensor and accurate data.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-09
- Publication Date
- 2026-03-20
AI Technical Summary
Existing oil temperature sensor mounting fixtures have significant differences in the specifications and locations of oil holes when used with different engine models, making it impossible to adapt the tapered connector and reducing installation versatility.
Design a versatile oil sensor that uses a fixing post and mounting structure, including components such as a cylinder, plug-in sleeve, sealing ring, and bolts. Select a suitable plug-in sleeve according to the shape and size of the engine oil hole, and fix it through a threaded connection to adapt to different types of engine oil holes.
It improves the installation versatility of the oil sensor, enabling quick replacement of the connector sleeve to adapt to various engine oil holes, ensuring accurate sensor installation and data accuracy, while reducing oil waste.
Smart Images

Figure CN224017296U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sensor technical field, concretely is a kind of oil sensor with good installation versatility. BACKGROUND
[0002] Oil temperature sensor is an important component in automobile engine management system, real-time monitoring engine oil temperature, and temperature signal is converted into electrical signal and is transmitted to the electronic control unit of automobile, when oil temperature is abnormal, timely remind driver, avoid engine running under harsh oil temperature condition, to protect the components of engine, such as piston, crankshaft, bearing etc., extend the service life of engine.
[0003] For example, the oil temperature sensor fixing tool with the announcement number "CN213336560U", the oil temperature sensor wire harness is installed by setting fixing column and inserting column, the oil temperature sensor wire harness is adjusted to extend the length after passing through mounting hole, then it is fixed by using reverse jack bolt, the extension length of measuring probe can be adjusted while the oil temperature sensor is fixed, to ensure that the data result of test is accurate.But the oil temperature sensor fixing tool, for different models of engine, oil hole specification, position difference is big, if special engine is encountered, the conical body inserting column can not be adapted, and then the oil sensor cannot be installed, and the installation versatility is reduced. UTILITY MODEL CONTENTS
[0004] The utility model aims at solving the problem that for different models of engine, oil hole specification, position difference is big, if special engine is encountered, the conical body inserting column can not be adapted, and then the oil sensor cannot be installed, and the installation versatility is reduced, and proposes an oil sensor with good installation versatility.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0006] Design an oil sensor with good installation versatility, including fixed column and oil temperature sensor wire harness, the fixed column is internally provided with oil temperature sensor wire harness, the fixed column lower portion is provided with mounting structure, the mounting structure includes cylinder, the first sealing ring is fixedly connected on the lower portion of the outer wall of the cylinder, the upper portion of the outer wall of the cylinder is threadedly connected with fixed column, the bottom of the cylinder is fixedly connected with fixed plate, the lower portion of the fixed plate is fixedly connected with inserting cylinder.
[0007] Preferably, the outer wall of the inserting cylinder is fixedly connected with the second sealing ring, and the second sealing ring and the inner wall of the fixed plate are threadedly connected with the first bolt.
[0008] Preferably, the upper sides of the fixed column are threadedly connected to the second bolts, and the ends of the second bolts are fixedly connected to the top blocks.
[0009] Preferably, sleeves are fixedly connected to both sides of the inner wall of the fixed column, and the inner walls of the sleeves are slidably connected to the slide rod.
[0010] Preferably, each of the slide rods is provided with a spring on its outer side, and the two ends of the springs are fixedly connected to the sleeve and the slide rod, respectively.
[0011] Preferably, the outer walls of the slide rods are all slidably connected to the third sealing ring, and the outer walls of the third sealing ring are all fixedly connected to the sleeve.
[0012] Preferably, the inner side of each slide bar is fixedly connected to the scraper, and the inner side of each scraper is pressed against the oil temperature sensor wiring harness.
[0013] This utility model proposes a versatile oil sensor with the following advantages: Through the cooperation of the fixing post and the mounting structure, a plug-in cylinder with a shape and size suitable for the engine oil hole is selected. The selected cylinder is then screwed into the fixing post. When the outer wall of the first sealing ring is tightly against the fixing post, the cylinder is stopped from rotating, and the plug-in cylinder is inserted into the engine oil hole, allowing the probe at the end of the oil temperature sensor harness to enter the engine oil hole. Then, the operator rotates multiple first bolts to fix the fixing plate and the second sealing ring to the engine, thus achieving a connection between the cylinder and the fixing post via threads. This facilitates quick and easy replacement of different types of plug-in cylinders to adapt to various engine oil holes, thereby improving the versatility of the installation. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the structure of this utility model;
[0015] Figure 2 for Figure 1 A front sectional view;
[0016] Figure 3 for Figure 2 A magnified view of part A in the diagram;
[0017] Figure 4 for Figure 2 A three-dimensional schematic diagram of the installation structure;
[0018] Figure 5 for Figure 2 A partial top view.
[0019] In the figure: 1, fixed column, 2, oil temperature sensor wire harness, 3, top block, 4, second bolt, 5, mounting structure, 501, cylinder, 502, first sealing ring, 503, fixed plate, 504, second sealing ring, 505, plug-in barrel, 6, first bolt, 7, scraper, 8, sleeve, 9, slide bar, 10, third sealing ring, 11, spring. DETAILED DESCRIPTION
[0020] The utility model will be further described below with reference to the drawings:
[0021] Referring to the drawings Figures 1-5 In this embodiment, a good general-purpose oil sensor is installed, which comprises a fixed column 1 and an oil temperature sensor wire harness 2, the fixed column 1 is internally provided with an oil temperature sensor wire harness 2, the fixed column 1 is provided below with a mounting structure 5, the mounting structure 5 comprises a cylinder 501, the outer wall of the cylinder 501 is fixedly connected below with a first sealing ring 502, the first sealing ring 502, the second sealing ring 504 and the third sealing ring 10 can all play a sealing role, the upper part of the outer wall of the cylinder 501 is threadedly connected with the fixed column 1, the bottom of the cylinder 501 is fixedly connected with a fixed plate 503, the fixed plate 503 is fixedly connected below with a plug-in barrel 505.
[0022] The outer wall of the plug-in barrel 505 is fixedly connected with a second sealing ring 504, the second sealing ring 504 and the inner wall of the fixed plate 503 are both threadedly connected with a first bolt 6, the upper part of the fixed column 1 is threadedly connected with a second bolt 4 on both sides, the end of the second bolt 4 is fixedly connected with a top block 3, the inner wall of the fixed column 1 is fixedly connected with a sleeve 8 on both sides, the inner wall of the sleeve 8 is slidingly connected with a slide bar 9.
[0023] The outer side of the slide bar 9 is provided with a spring 11, the spring force coefficient of the spring 11 is selected according to actual requirements, which can meet the working requirements, the two ends of the spring 11 are fixedly connected with the sleeve 8 and the slide bar 9 respectively, the outer wall of the slide bar 9 is slidingly connected with a third sealing ring 10, the outer wall of the third sealing ring 10 is fixedly connected with the sleeve 8, the inner side of the slide bar 9 is fixedly connected with a scraper 7, and the inner side of the scraper 7 is tightly abutted with the oil temperature sensor wire harness 2.
[0024] Working principle:
[0025] When the good general-purpose oil sensor is used:
[0026] First according to the shape and size of the engine oil hole, select the shape and size of the adapter tube 505, then the selected cylinder 501 is screwed into the fixed column 1, when the first sealing ring 502 outer wall and fixed column 501 abut tightly, stop rotating the cylinder 501, the oil temperature sensor wire harness 2 passes through the two between the block 3 and the scraper 7 (the operator can manually assist), when the oil temperature sensor end and fixed column 1 contact, rotate the second bolt 4 on both sides, the second bolt 4 rotates and drives the block 3 to move inward, the oil temperature sensor wire harness 2 is used to block the block 3, then the operator inserts the adapter tube 505 into the engine oil hole, and the probe at the end of the oil temperature sensor wire harness 2 enters the engine oil hole, then the operator rotates the first bolt 6, and the fixed plate 503 and the second sealing ring 504 are fixed to the engine, so that the installation of the oil temperature sensor is completed, so as to realize the connection of the cylinder 501 and the fixed column 501 through threads, facilitate quick replacement of different types of adapter tubes 505, to adapt to various engine oil holes, thereby improving the versatility of installation;
[0027] The probe at the end of the oil temperature sensor wire harness 2 contacts the oil, quickly responds to the change of the oil temperature through heat conduction, and transmits the oil temperature information to the external device through the oil temperature sensor wire harness 2, so as to facilitate observation.
[0028] When not applicable, the first bolt 6 is unscrewed, then the adapter tube 505 is taken out, the second bolt 4 on both sides is loosened, then the oil temperature sensor is moved, the oil temperature sensor wire harness 2 is moved, and part of the oil on the outer wall of the oil temperature sensor 2 is scraped off through the scraper 7 on both sides, the scraped oil enters the engine oil hole, reducing the waste of oil, finally, the oil temperature sensor wire harness 2 and the probe at the end of the oil temperature sensor wire harness 2 can be manually wiped.
[0029] Although the utility model has been illustrated and described by referring to the preferred embodiments, it should be understood by those skilled in the art that various changes in form and details can be made within the scope of claims.
Claims
1. A versatile oil temperature sensor, comprising a mounting post (1) and an oil temperature sensor wiring harness (2), wherein the mounting post (1) contains the oil temperature sensor wiring harness (2), characterized in that: The mounting structure (5) is provided below the fixed column (1). The mounting structure (5) includes a cylinder (501). A first sealing ring (502) is fixedly connected to the lower outer wall of the cylinder (501). The upper outer wall of the cylinder (501) is threadedly connected to the fixed column (1). A fixing plate (503) is fixedly connected to the bottom of the cylinder (501). A plug-in cylinder (505) is fixedly connected below the fixing plate (503).
2. The oil sensor with good installation versatility according to claim 1, characterized in that: The outer wall of the plug tube (505) is fixedly connected to a second sealing ring (504), and the inner wall of the second sealing ring (504) and the fixing plate (503) are both threadedly connected to the first bolt (6).
3. The oil sensor with good installation versatility according to claim 1, characterized in that: The upper sides of the fixed column (1) are threadedly connected to the second bolt (4), and the ends of the second bolt (4) are fixedly connected to the top block (3).
4. The oil sensor with good installation versatility according to claim 1, characterized in that: Both sides of the inner wall of the fixed column (1) are fixedly connected to sleeves (8), and the inner walls of the sleeves (8) are slidably connected to the slide rod (9).
5. The oil sensor with good installation versatility according to claim 4, characterized in that: Springs (11) are provided on the outer side of each slide rod (9), and the two ends of the springs (11) are fixedly connected to the sleeve (8) and the slide rod (9) respectively.
6. The oil sensor with good installation versatility according to claim 4, characterized in that: The outer wall of the slide rod (9) is slidably connected to the third sealing ring (10), and the outer wall of the third sealing ring (10) is fixedly connected to the sleeve (8).
7. The oil sensor with good installation versatility according to claim 4, characterized in that: The inner side of each slide rod (9) is fixedly connected to the scraper (7), and the inner side of each scraper (7) is pressed against the oil temperature sensor wiring harness (2).
Citation Information
Patent Citations
Engine oil temperature sensor fixing tool
CN213336560U