Engine oil dipstick assembly

Abstract

The utility model discloses an engine oil dipstick assembly which comprises an engine oil dipstick handle seat. The engine sump connector is mounted inside the engine relative to the end part of the engine oil dipstick handle seat; the engine oil dipstick is arranged in the engine in a penetrating manner through an engine oil dipstick handle seat and is used for detecting engine oil; the surface of the engine oil dipstick is sleeved with the engine oil dipstick sleeve, and the two ends of the engine oil dipstick sleeve are connected with the corresponding engine oil dipstick handle base and the corresponding engine oil pan connector respectively; wherein the engine oil dipstick sleeve is treated by a heating pretreatment process. According to the engine oil dipstick assembly provided by the utility model, before the engine oil dipstick sleeve made of a traditional nylon material is used, the engine oil dipstick sleeve is subjected to a heating heat treatment process, so that the nylon tube fully releases stress, the shrinkage rate of the nylon tube can be obviously reduced, and the product size can be always in a tolerance range.

Description

Technical Field

[0001] The utility model relates to the technical field of dipsticks, in particular to an engine oil dipstick assembly. Background Art

[0002] A dipstick is a simple-structured liquid level gauge that can directly display the liquid level height of the lubricating oil in the sump. The function of the engine oil dipstick is not only to check the level of the engine lubricating oil. Experienced drivers or repairmen can discover many working dynamics of the engine by checking the dipstick, so as to maintain the engine, timely find the causes of faults and accidents, avoid the further deterioration of faults, etc., can quickly respond, make a correct judgment, and provide a reliable basis. It can be said that the proper use of the engine oil dipstick plays a crucial role in extending the service life of the engine.

[0003] At present, in the actual application process of the dipstick, it will be assembled and used synchronously with multiple components. The nylon tube sleeved outside the dipstick is one of the components. Currently, the nylon material engine oil dipstick sleeve will change in length due to temperature changes when the engine is working, stopped, or the weather changes from cold to warm. Even if the supply state can meet the dimensional requirements, the tube will shorten after-sales, resulting in a low oil level line, a reduced engine oil filling amount, damage to the engine, and a reduced service life. Therefore, an engine oil dipstick assembly is proposed. Summary of the Utility Model

[0004] Based on this, in view of the above technical problems, it is necessary to provide an engine oil dipstick assembly. Before using the traditional nylon material engine oil dipstick sleeve, a heat treatment process is carried out on it, so that the nylon tube fully releases stress, which can significantly reduce the shrinkage rate of the nylon tube and ensure that the product size can always be within the tolerance range.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] An engine oil dipstick assembly, comprising:

[0007] An engine oil dipstick handle seat;

[0008] An engine oil sump connector, the end of which relative to the engine oil dipstick handle seat is installed inside the engine;

[0009] An engine oil dipstick, which is passed through the engine oil dipstick handle seat and into the engine for engine oil detection;

[0010] An engine oil dipstick sleeve, which is sleeved on the surface of the engine oil dipstick and both ends are respectively connected to the corresponding engine oil dipstick handle seat and the engine oil sump connector;

[0011] Wherein, the engine oil dipstick sleeve is processed by a heating pretreatment process.

[0012] Further, the dipstick handle seat includes an outer seat and an inner seat;

[0013] Wherein, the outer seat and the inner seat are coaxially arranged and integrally formed, and a scale channel is jointly formed between the outer seat and the inner seat.

[0014] Further, a pipe clamp groove is provided on the outer surface of the inner seat, and a plurality of pipe clamp grooves are equidistantly distributed along the outer circumference of the inner seat.

[0015] Further, a sealing portion and a handle portion are sequentially provided at the front of the dipstick;

[0016] The sealing portion is fixed to the dipstick through a sealing end head therein, and the handle portion is provided on one side of the sealing portion and integrally formed therewith.

[0017] Further, a sealing rubber ring is embedded and installed on the surface of the sealing end head, and the sealing end head is in contact with the scale channel through the sealing rubber ring.

[0018] Further, a locking outer lip is provided on the surface of the sealing portion, and an inner lip corresponding to the locking outer lip is provided on the surface of the outer seat;

[0019] Rotating the handle portion can make the locking outer lip snap onto the inner lip to form a lock.

[0020] Further, a limiting protrusion protrudes outward at the front end of the inner lip, and a limiting strip extends at the rear end;

[0021] An avoidance groove is provided inside the locking outer lip, and a lock block is formed at the end of the locking outer lip through the avoidance groove.

[0022] Further, a locking hole is provided on the engine oil pan connector, and the engine oil pan connector can be fixed to the engine oil pan through the locking hole.

[0023] Further, conical anti-slip kits are fixed on the opposite sides of the engine oil pan connector and the dipstick handle seat, and both ends of the dipstick sleeve are respectively sleeved on the corresponding conical anti-slip kits to complete the connection.

[0024] Further, an inner protection element is also fixed inside the sealing portion, and an inner plugging groove adapted to the inner protection element is provided on the outer seat;

[0025] When the dipstick is pulled out on the outer seat to expose the sealing portion, the inner protection element is still located in the inner plugging groove to protect the inner sealing end head therein.

[0026] Compared with the prior art, the present utility model has the following beneficial effects:

[0027] The oil level gauge assembly provided by the present utility model undergoes a heat treatment process on the traditional nylon oil level gauge sleeve before use, enabling the nylon tube to fully release stress, significantly reducing the shrinkage rate of the nylon tube, and ensuring that the product dimensions can always be within the tolerance range;

[0028] Through the mutual cooperation of the outer seat and the sealing part, after the sealing end is inserted into the inside of the scale channel to form an oil seal, the gap at the sealing part can be covered and protected to prevent the oil from being contaminated. At the same time, due to the mutual locking of the inner lip and the locking outer lip, while the sealing part is covered and protected and sealed off, its own stability can be ensured, preventing it from rotating and falling off autonomously and causing the protection to fail;

[0029] Through the cooperation of the inner protective element and the inner sealing groove, secondary covering protection is provided for the sealing part of the sealing end. While enhancing the protection effect, when the sealing part is pulled out on the outer seat by rotating the handle part, the protective cylinder can still form a covering protection for the sealing end to isolate the dust particles generated by the pulling of the contact surface between the sealing part and the outer seat from directly falling on the sealing end and causing contamination;

[0030] At the same time, it can cooperate with the design of the cut-off and export groove to form a guiding barrier for the dust particles on its surface, enabling them to better fall outside the outer seat and facilitating the cleaning before finally pulling out the oil level gauge. Brief Description of the Drawings

[0031] Figure 1 It is a structural schematic diagram of the oil level gauge assembly provided by the present utility model;

[0032] Figure 2 It is a disassembled structural schematic diagram of the oil level gauge assembly provided by the present utility model;

[0033] Figure 3 It is a structural schematic diagram of the engine oil pan connector of the oil level gauge assembly provided by the present utility model;

[0034] Figure 4 It is a structural schematic diagram of the oil level gauge of the oil level gauge assembly provided by the present utility model;

[0035] Figure 5 It is a structural schematic diagram of the inside of the sealing end of the oil level gauge assembly provided by the present utility model;

[0036] Figure 6 It is a structural schematic diagram of the inner protective element of the oil level gauge assembly provided by the present utility model;

[0037] Figure 7 It is a sectional view structural schematic diagram of the inner protective element of the oil level gauge assembly provided by the present utility model;

[0038] Figure 8 The enlarged structural schematic diagram of part A in the Figure 7 oil level gauge assembly provided by the present utility model;

[0039] Figure 9 The structural schematic diagram of the extraction protection state of the inner protection element of the oil level gauge assembly provided by the present utility model;

[0040] Figure 10 The Figure 9 enlarged structural schematic diagram of part B in the oil level gauge assembly provided by the present utility model.

[0041] The markings in the figure are explained as follows:

[0042] Oil level gauge handle seat 1, outer seat 11, inner seat 12, scale channel 13, pipe clip groove 14;

[0043] Engine oil pan connector 2, locking hole 21;

[0044] Inner lip 110, limiting convex 111, limiting strip 112

[0045] Oil level gauge 3, handle part 31, sealing part 32;

[0046] Sealing end 320, sealing rubber ring 321, locking outer lip 322, avoidance groove 323, locking block 324;

[0047] Oil level gauge sleeve 4;

[0048] Conical anti-slip kit 5, conical wing 51;

[0049] Inner protection element 6, protection cylinder 61, truncated export groove 62, annular groove 63, O-ring 64;

[0050] Truncated section 620, export surface 621;

[0051] Inner plugging groove 7. Detailed implementation manners

[0052] In order to enable those skilled in the art to better understand the solution of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0053] As described in the background art, in the actual application process of the dipstick, it is currently assembled and used synchronously with multiple components. The nylon tube sleeved outside the dipstick is one of the components. Currently, the nylon material oil level gauge sleeve used will cause the length of the nylon tube to change due to temperature changes during engine operation, shutdown, and weather changes. Even if the supply state can meet the dimensional requirements, the tube will shorten after-sales, resulting in a low oil level line, a reduced oil filling volume, damage to the engine, and a reduced service life.

[0054] To solve this technical problem, the present utility model provides an oil level gauge assembly, which is applied to engine oil detection.

[0055] Specifically, please refer to Figures 1 - 10 , the oil level gauge assembly specifically includes:

[0056] An oil level gauge handle seat 1;

[0057] An engine oil pan connector 2, the end of which relative to the oil level gauge handle seat 1 is installed inside the engine;

[0058] An oil level gauge 3, which is passed through the engine interior through the oil level gauge handle seat 1 for oil detection;

[0059] An oil level gauge sleeve 4, which is sleeved on the surface of the oil level gauge 3 and both ends are respectively connected to the corresponding oil level gauge handle seat 1 and the engine oil pan connector 2;

[0060] Among them, the oil level gauge sleeve 4 is processed by a heating pretreatment process.

[0061] For the oil level gauge assembly provided by the present utility model, before using the traditional nylon material oil level gauge sleeve 4, a heat treatment process is performed on it, so that the nylon tube fully releases stress, which can significantly reduce the shrinkage rate of the nylon tube and ensure that the product dimensions can always be within the tolerance range.

[0062] In order to enable those skilled in the art to better understand the solution of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

[0063] It should be noted that, without conflict, the embodiments in the present utility model and the features and technical solutions in the embodiments can be combined with each other.

[0064] It should be noted that similar reference numerals and letters indicate similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0065] Please refer to Figures 1 - 5As shown, an oil dipstick assembly includes an oil dipstick handle seat 1; an engine oil pan connector 2, which is installed inside the engine relative to the end of the oil dipstick handle seat 1; an oil dipstick 3, which is inserted into the engine through the oil dipstick handle seat 1 for oil detection; an oil dipstick sleeve 4, which is sleeved on the surface of the oil dipstick 3 and has two ends respectively connected to the corresponding oil dipstick handle seat 1 and the engine oil pan connector 2. The material of the oil dipstick sleeve 4 in this embodiment is PA11 nylon material, and the engine oil pan connector 2 is PA66+15% GF material;

[0066] Among them, the oil dipstick sleeve 4 is processed by a heating pretreatment process. Before the traditional nylon oil dipstick sleeve 4 is used, it is subjected to a heating heat treatment process so that the nylon tube can fully release the stress, which can significantly reduce the shrinkage rate of the nylon tube and ensure that the product size can always be within the tolerance range.

[0067] The oil dipstick handle seat 1 comprises an outer seat 11 and an inner seat 12, wherein the outer seat 11 and the inner seat 12 are coaxially arranged and integrally formed, and a dipstick channel 13 is formed between the outer seat 11 and the inner seat 12. Figure 2 As shown, one end of the oil dipstick 3 can pass through the dipstick channel 13 and be inserted into the oil dipstick sleeve 4;

[0068] The outer surface of the inner seat 12 is provided with a pipe clamp groove 14, and a plurality of pipe clamp grooves 14 are evenly spaced along the outer circumference of the inner seat 12. Through the cooperation of the plurality of pipe clamp grooves 14, the oil dipstick can be fixed on the engine bracket by a pipe clamp, thereby reducing the shaking of the oil dipstick as a whole.

[0069] The front part of the oil dipstick 3 is provided with a sealing part 32 and a handle part 31 in sequence. The sealing part 32 and the handle part 31 are made of PA66+15% GF and are integrally injection molded.

[0070] The sealing part 32 is fixed to the oil dipstick 3 via the sealing end 320 therein, and the handle part 31 is arranged on one side of the sealing part 32 and is integrally formed therewith;

[0071] A sealing rubber ring 321 is embedded and installed on the surface of the sealing end head 320, and the sealing end head 320 is connected to the scale channel 13 through the sealing rubber ring 321;

[0072] When the engine oil inside the engine needs to be tested, the handle 31 is pulled outward from the surface of the outer seat 11 and the sealing end 320 on it is taken out of the scale channel 13 in the outer seat 11. The oil data inside the engine can be reflected by observing the surface of the oil dipstick 3;

[0073] After the test, one end of the oil dipstick 3 is inserted into the oil dipstick sleeve 4 through the dipstick channel 13, and then one end of the sealing end head 320 is inserted into the corresponding dipstick channel 13, so that the sealing portion 32 covers the surface of the connection between the outer seat 11 and the sealing end head 320, thereby cooperating with the setting of the sealing rubber ring 321, and sealing protection is performed in the dipstick channel 13, and secondary covering protection can be performed at the sealing position, which effectively improves the overall sealing effect of the oil dipstick assembly and avoids oil leakage and external pollution to the engine.

[0074] The oil dipstick assembly provided in Example 1 is further optimized, specifically, as follows Figure 4 As shown, the surface of the sealing portion 32 has a locking outer lip 322, and the surface of the outer seat 11 has an inner lip 110 corresponding to the locking outer lip 322. Rotating the handle portion 31 can make the locking outer lip 322 buckle on the inner lip 110 to form a lock;

[0075] The front end of the inner lip 110 is convex to form a limiting protrusion 111, and the rear end is extended to form a limiting strip 112;

[0076] The inner side of the locking outer lip 322 has an avoidance groove 323, and a locking block 324 is formed at the end of the locking outer lip 322 through the avoidance groove 323;

[0077] When the sealing end head 320 is placed in the outer seat 11 for sealing protection in Example 1, the locking block 324 on the sealing portion 32 will slide on the surface of the outer seat 11. When the sealing end head 320 is snapped into place, the sealing portion 32 will cover the sealing gap between the outer end of the outer seat 11 and the sealing end head 320, thereby providing secondary protection. At this time, the locking block 324 can be rotated on the surface of the outer seat 11 by rotating the handle portion 31. During the rotation, the locking block 324 will rotate toward the direction of the inner lip 110. When the locking block 324 contacts the end of the inner lip 110, it will first form a contact with the outer convex limiting protrusion 111 The limiting protrusion 111 and the locking block 324 that are subject to the interference will produce a certain deformation effect so that the handle part 31 can rotate. When the handle part 31 drives the locking block 324 to pass the limiting protrusion 11, one side of the locking block 324 is limited by the limiting protrusion 11, and the other side is affected by the limiting strip 112, and no autonomous rotation will occur, thereby ensuring the stability between the sealing end head 320 and the outer seat 11, so that when there is no external force, the sealing end head 320 will not slide outward in the scale channel 13 autonomously, thereby ensuring the effect of sealing and blocking the scale channel.

[0078] The oil dipstick assembly provided in Example 1 or 2 is further optimized, such as Figure 2As shown, the engine oil pan connector 2 has a locking hole 21, through which the engine oil pan connector 2 can be fixed to the engine oil pan. In the actual installation process, the engine oil pan connector 2 is first fixed to the engine oil pan by bolts to ensure that the oil dipstick assembly will not loosen or fall off when assembled to the engine, and can also be removed to facilitate later repair and maintenance.

[0079] The oil dipstick assembly provided in Example 3 is further optimized, such as Figure 2 As shown, a conical anti-skid kit 5 is fixed to the opposite sides of the engine oil pan connector 2 and the oil dipstick handle base 1, and the two ends of the oil dipstick sleeve 4 are respectively sleeved on the corresponding conical anti-skid kit 5 to complete the connection. When the two ends of the oil dipstick sleeve 4 are sleeved on the conical anti-skid kit 5, the conical wings 51 arranged on the conical anti-skid kit 5 can form a resistance with the inner wall of the oil dipstick sleeve 4, and in the actual assembly process, the design size of the conical wings 51 can be slightly larger than the inner diameter of the oil dipstick sleeve 4, so that the conical anti-skid kit 5 and the oil dipstick sleeve 4 form an interference fit. At the same time, with the design of the conical wings 51, the anti-falling effect of the oil dipstick sleeve 4 after installation is achieved.

[0080] The oil dipstick assembly provided in Example 4 is further optimized. When the handle portion 31 and the sealing end head 320 thereon are taken out through the above-mentioned embodiment, since the sealing portion 32 partially covers the outer seat 11, dust particles may be disturbed between them during the process of being separated from the outer seat 11. Therefore, when the sealing end head 320 is exposed during the process of taking out the sealing portion 32, dust particles may directly adhere to the sealing end head 320 and the sealing rubber ring 321 thereon, and even some dust particles may directly pass through the sealing end head 320 and fall into the dipstick channel 13, causing pollution inside the engine.

[0081] Also, because the sealing end 320 and the sealing rubber ring 321 are both sealing parts, and have assembly gaps and corrugated grooves thereon, it is more troublesome to clean them when they are contaminated. At the same time, when cleaning, the sealing end 320 needs to be completely pulled out to separate it from the top of the scale channel 13 (because in the actual assembly process, the oil dipstick handle base 1 is set within a certain angle range with the horizontal plane). If it is not directly pulled out for cleaning, the cleaned dust particles will still fall into the engine through the scale channel 13;

[0082] If it is not cleaned, dust particles may be brought into the sealing end 320 when it is inserted into the scale channel 13 again, which may indirectly cause the contamination of the engine oil inside the engine.

[0083] Therefore, in this embodiment, an inner protection element 6 is added so that after the sealing part 32 is pulled out, the protection of the sealing end 320 can still be formed, which is convenient for direct cleaning, specifically as follows:

[0084] As Figure 6 , Figure 7 , Figure 8 , Figure 9 and Figure 10 shown, an inner protection element 6 is also fixed inside the sealing part 32, and an inner plugging groove 7 adapted to the inner protection element 6 is formed on the outer seat 11;

[0085] When the oil dipstick 3 is pulled out on the outer seat 11 to expose the sealing part 32, the inner protection element 6 is still located in the inner plugging groove 7 to form the protection of the inner sealing end 320 thereof;

[0086] The inner protection element 6 includes a protection cylinder 61 sleeved on the surface of the sealing end 320 and fixed on the sealing part 32, and the length of the protection cylinder 61 is greater than the length of the locking outer lip 322;

[0087] When the sealing part 32 is pulled outwards so that it is completely separated from the surface of the outer seat 11, at this time, the protection cylinder 61 is still located in the corresponding inner plugging groove 7. Therefore, dust particles are completely blocked on the surface of the protection cylinder 61, and the protection cylinder 61 is clean and smooth, and can be directly cleaned well on it.

[0088] Further optimizing the oil dipstick assembly provided in Embodiment 5, as Figure 7 , Figure 8 , Figure 9 and Figure 10 shown,

[0089] The bottom wall of the surface of the protection cylinder 61 has a truncated export groove 62, and the truncated export groove 62 has a truncated surface 620 and an export surface 621, and the truncated surface 620 and the export surface 621 are smoothly transitionally connected;

[0090] and the included angle between the truncated surface 620 and the export surface 621 is an obtuse angle

[0091] One side of the surface of the protection cylinder 61 close to the truncated export groove 62 has an annular groove 63, and an O-ring 64 is embedded in the annular groove 63;

[0092] The O-ring 64 can make the protection cylinder 61 and the inner plugging groove 7 in interference fit;

[0093] When the protection cylinder 61 is pulled outwards to block dust particles in Embodiment 5, at this time, the protection cylinder 61 can be moved as Figure 10In the shown state, the O-ring 64 exactly seals the surface of the inner sealing groove 7. At this time, when cleaning the surface of the protection cylinder 61, dust particles will directly fall off and will not fall into the inner sealing groove 7 again;

[0094] Meanwhile, as Figure 7 shown, this is the actual assembly state of the oil level gauge assembly. Therefore, the dust particles falling on the sealing part 32 will roll along the surface of the anti-slip cylinder 61. When they are about to roll to the bottom, they will be affected by the truncated export groove 62, which promotes their outward dispersion, thereby reducing the situation of dust accumulating on the surface of the O-ring 64 and facilitating the actual cleaning operation.

[0095] In the present utility model, unless otherwise clearly defined and limited, terms such as "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection, an electrical connection, or communicable with each other; it can be directly connected, or indirectly connected through an intermediate medium. It can be the internal communication of two components or the interaction relationship between two components, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0096] Obviously, the above-described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. The drawings show the preferred embodiments of the present utility model, but do not limit the patent scope of the present utility model. The present utility model can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosed content of the present utility model more thorough and comprehensive. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing specific embodiments, or perform equivalent replacements for some of the technical features. Any equivalent structure directly or indirectly using the content of the specification and drawings of the present utility model in other related technical fields is equally within the scope of the patent protection of the present utility model.

Claims

1. An oil dipstick assembly, characterized in that: It includes: Engine oil dipstick handle base (1); An engine oil pan connector (2), the end of which relative to the oil dipstick handle seat (1) is mounted inside the engine; An oil dipstick (3) is arranged inside the engine through an oil dipstick handle seat (1) and is used for detecting the oil; An oil dipstick sleeve (4) which is sleeved on the surface of the oil dipstick (3) and whose two ends are respectively connected to the corresponding oil dipstick handle seat (1) and the engine oil pan connector (2); Wherein, the oil dipstick sleeve (4) is subjected to a heating pretreatment process.

2. The oil dipstick assembly according to claim 1, characterized in that: The oil dipstick handle seat (1) comprises an outer seat (11) and an inner seat (12); The outer seat (11) and the inner seat (12) are coaxially arranged and integrally formed, and a scale channel (13) is formed between the outer seat (11) and the inner seat (12).

3. The oil dipstick assembly according to claim 2, characterized in that: The outer surface of the inner seat (12) is provided with a tube clamp groove (14), and a plurality of tube clamp grooves (14) are distributed at equal intervals along the outer circumference of the inner seat (12).

4. The oil dipstick assembly according to claim 2, characterized in that: The front portion of the oil dipstick (3) is provided with a sealing portion (32) and a handle portion (31) in sequence; The sealing portion (32) is fixed to the oil dipstick (3) via a sealing end (320) therein, and the handle portion (31) is arranged on one side of the sealing portion (32) and is integrally formed therewith.

5. The oil dipstick assembly according to claim 4, characterized in that: A sealing rubber ring (321) is embedded and installed on the surface of the sealing end head (320), and the sealing end head (320) can be interference-fitted with the scale channel (13) via the sealing rubber ring (321).

6. The oil dipstick assembly according to claim 4, characterized in that: The surface of the sealing portion (32) has a locking outer lip (322), and the surface of the outer seat (11) has an inner lip (110) arranged corresponding to the locking outer lip (322); The handle portion (31) is rotated to cause the locking outer lip (322) to snap onto the inner lip (110) to form a lock.

7. The oil dipstick assembly according to claim 6, characterized in that: The front end of the inner lip (110) is convex outward to form a limiting convexity (111), and the rear end is extended to form a limiting strip (112); The inner side of the locking outer lip (322) is provided with an avoidance groove (323), and a locking block (324) is formed at the end of the locking outer lip (322) through the avoidance groove (323).

8. The oil dipstick assembly according to claim 1, characterized in that: The engine oil pan connector (2) is provided with a locking hole (21), and the engine oil pan connector (2) can be fixed to the engine oil pan through the locking hole (21).

9. The oil dipstick assembly according to claim 1, characterized in that: Conical anti-skid kits (5) are fixed to the opposite sides of the engine oil pan connector (2) and the oil dipstick handle seat (1), and the two ends of the oil dipstick sleeve (4) are respectively sleeved on the corresponding conical anti-skid kits (5) to complete the connection.

10. The oil dipstick assembly according to claim 4, characterized in that: An inner protective element (6) is also fixed in the sealing portion (32), and an inner sealing groove (7) adapted to the inner protective element (6) is provided on the outer seat (11); When the oil dipstick (3) is pulled out from the outer seat (11) to expose the sealing portion (32), the inner protective element (6) is still located in the inner sealing groove (7) to protect the inner sealing end (320).

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