An oil dipstick assembly
By incorporating a limiting protrusion and a limiting block design in the oil dipstick assembly, combined with a concave-convex limiting structure, the problems of complex structure, high cost, and difficult operation are solved, achieving simple limiting and anti-drop functions, and improving the product's vibration resistance and service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHIYAN BRANCH OF HEBEI YADA AUTOMOBILE PLASTIC PROD CO LTD
- Filing Date
- 2025-09-01
- Publication Date
- 2026-06-05
AI Technical Summary
Existing oil dipstick components have complex structures, high costs, are difficult to operate, have poor vibration resistance, and are prone to falling off, affecting engine lifespan and causing oil contamination.
The design employs a limiting protrusion and a limiting block. The limiting protrusion blocks the limiting block to achieve the functions of limiting and preventing detachment. Combined with the cooperation of the first and second concave-convex limiting structures, the structure is simplified to achieve a tight and detachable fastening.
It reduces product costs and operational difficulty, improves vibration resistance, prevents dust from entering, extends the service life of the oil dipstick tube, and enhances product competitiveness.
Smart Images
Figure CN224326324U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of automotive parts technology, and more specifically, to an oil dipstick assembly. Background Technology
[0002] The normal operation of an engine requires lubrication from engine oil, and the amount of engine oil needed is determined by using the dipstick to check the oil level.
[0003] Chinese patent No. 202120684824.0 discloses a novel oil dipstick connection structure and assembly, which includes a dipstick handle and a connecting tube. The dipstick handle includes an insertion post, and the connecting tube has an insertion channel into which the insertion post can be inserted. At least one locking block is provided on the outer wall of the insertion post, and a locking groove is provided on the inner wall of the insertion channel. The locking groove surrounds the axis of the insertion channel and communicates with the outside of the insertion port of the connecting tube through a connecting slot along the axis of the insertion channel. The inner diameter of the insertion port of the connecting tube is smaller than the outer diameter of the insertion post at the locking block at all positions except the connecting slot. This novel oil dipstick connection structure uses a locking groove connection, allowing the oil dipstick to be fixed at a specified angle on the oil dipstick tube via the dipstick handle. It is easy to install and remove, and is not prone to falling off, making it suitable for vehicles operating under various complex conditions.
[0004] This design involves creating a groove on the inside of the handle connector and installing a spring ball on the dipstick for limiting movement. This makes the product structure complex and the product cost higher. Furthermore, when inserting or removing the dipstick, the steel ball needs to be aligned with the groove on the dipstick handle connector beforehand, which makes operation more difficult and reduces the product's competitiveness. Utility Model Content
[0005] The technical problem to be solved by this utility model is how to make the oil dipstick assembly have limiting and anti-fall-off functions with a simpler structure, thereby reducing product cost and operation difficulty, and improving product competitiveness.
[0006] The technical problem to be solved by this utility model is achieved through the following technical solution:
[0007] To solve the above-mentioned technical problems, this utility model provides an oil dipstick assembly, which includes an oil dipstick handle and a handle seat connector. The outer wall of the handle seat connector is provided with at least one limiting protrusion, and the outer wall of the oil dipstick handle is provided with a limiting block extending outward. When the oil dipstick handle is inserted into the handle seat connector and rotated, the limiting block can be blocked by the limiting protrusion. The outer wall of the handle seat connector located at each of the limiting protrusions is provided with a first concave-convex limiting structure, and the inner surface of the limiting block is provided with a second concave-convex limiting structure corresponding to the shape and position of the first concave-convex limiting structure.
[0008] In a preferred embodiment of the oil dipstick assembly provided by this utility model, the limiting protrusion is inverted L-shaped.
[0009] In a preferred embodiment of the oil dipstick assembly provided by this utility model, there are two limiting protrusions, which are respectively disposed on both sides of the outer wall of the handle seat connector, and the two limiting protrusions are arranged in a rotationally symmetrical manner.
[0010] In a preferred embodiment of the oil dipstick assembly provided by this utility model, the position and number of the limiting blocks correspond to the position and number of the limiting protrusions.
[0011] In a preferred embodiment of the oil dipstick assembly provided by this utility model, the limiting protrusion includes a first protrusion and a second protrusion connected end to end, the first protrusion and the second protrusion are arranged perpendicularly, and a third protrusion is provided at the end of the first protrusion.
[0012] In a preferred embodiment of the oil dipstick assembly provided by this utility model, the inner side of the connection between the third protrusion and the first protrusion is provided with a slope transition.
[0013] In a preferred embodiment of the oil dipstick assembly provided by this utility model, the inner surfaces of the first protrusion, the second protrusion, and the third protrusion are all provided with arc transitions.
[0014] In a preferred embodiment of the oil dipstick assembly provided by this utility model, the dipstick handle is provided with an insertion post, and the handle seat connector has an insertion channel, into which the insertion post can be inserted.
[0015] In a preferred embodiment of the oil dipstick assembly provided by this utility model, a sealing ring is provided on the insertion post.
[0016] This utility model has the following beneficial effects:
[0017] Because the outer wall of the handle seat joint is provided with a limiting protrusion, and the outer wall of the dipstick handle is provided with a limiting block extending outward, when the dipstick handle is inserted into the handle seat joint and rotated, the limiting block can be blocked by the limiting protrusion, which can play a certain role in limiting and preventing it from falling off. However, this structure has poor vibration resistance, and after long-term vibration, the dipstick handle and the handle seat joint may rotate and separate. This can affect the lifespan of the oil dipstick tube and cause abnormal engine noise. Furthermore, if the handle connector detaches from the dipstick handle, external dust and impurities can easily enter the engine oil pan, contaminating the engine oil and affecting the overall engine lifespan. In this design, a first concave-convex limiting structure is provided on the outer wall of the handle connector, and a second concave-convex limiting structure is provided on the limiting block. When the limiting block rotates to the limiting protrusion, the second concave-convex limiting structure can engage with the first concave-convex limiting structure, thus achieving a secure and anti-detachment mechanism. To remove the dipstick handle, forcefully rotate it to allow the second concave-convex limiting structure to slide out of the first concave-convex limiting structure. This simpler structure provides the oil dipstick assembly with limiting and anti-detachment functions, thereby reducing product cost and operational difficulty, and improving product competitiveness. Attached Figure Description
[0018] To more clearly illustrate the solutions in this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.
[0019] Figure 1 This is a schematic diagram of the structure of an oil dipstick assembly provided by this utility model.
[0020] Figure 2 for Figure 1 A schematic diagram of the oil dipstick handle.
[0021] Figure 3 for Figure 1 A schematic diagram of the structure of the middle handle seat connector.
[0022] Figure 4 This is a front view of the handle seat connector.
[0023] Explanation of icon numbers:
[0024] Oil dipstick handle 1; handle seat connector 2; limiting protrusion 21; limiting block 11; first concave-convex limiting structure 22; second concave-convex limiting structure 12; first protrusion 211; second protrusion 212; third protrusion 213; insertion column 13; sealing ring 14. Detailed Implementation
[0025] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.
[0026] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.
[0027] Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.
[0028] This utility model provides an oil dipstick assembly, which includes an oil dipstick handle and a handle seat connector. The outer wall of the handle seat connector is provided with at least one limiting protrusion, and the outer wall of the oil dipstick handle is provided with a limiting block extending outward. When the oil dipstick handle is inserted into the handle seat connector and rotated, the limiting block can be blocked by the limiting protrusion. The outer wall of the handle seat connector located at each of the limiting protrusions is provided with a first concave-convex limiting structure, and the inner surface of the limiting block is provided with a second concave-convex limiting structure corresponding to the shape and position of the first concave-convex limiting structure.
[0029] Because the outer wall of the handle seat joint is provided with a limiting protrusion, and the outer wall of the dipstick handle is provided with a limiting block extending outward, when the dipstick handle is inserted into the handle seat joint and rotated, the limiting block can be blocked by the limiting protrusion, which can play a certain role in limiting and preventing it from falling off. However, this structure has poor vibration resistance, and after long-term vibration, the dipstick handle and the handle seat joint may rotate and separate. This can affect the lifespan of the oil dipstick tube and cause abnormal engine noise. Furthermore, if the handle connector detaches from the dipstick handle, external dust and impurities can easily enter the engine oil pan, contaminating the engine oil and affecting the overall engine lifespan. In this design, a first concave-convex limiting structure is provided on the outer wall of the handle connector, and a second concave-convex limiting structure is provided on the limiting block. When the limiting block rotates to the limiting protrusion, the second concave-convex limiting structure can engage with the first concave-convex limiting structure, thus achieving a secure and anti-detachment mechanism. To remove the dipstick handle, forcefully rotate it to allow the second concave-convex limiting structure to slide out of the first concave-convex limiting structure. This simpler structure provides the oil dipstick assembly with limiting and anti-detachment functions, thereby reducing product cost and operational difficulty, and improving product competitiveness.
[0030] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. The present invention will be described in detail below with reference to the accompanying drawings and embodiments, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.
[0031] Example 1, please refer to Figures 1 to 3This utility model provides an oil dipstick assembly, which includes an oil dipstick handle 1 and a handle seat connector 2. The outer wall of the handle seat connector 2 is provided with at least one limiting protrusion 21. The outer wall of the oil dipstick handle 1 extends outward and is provided with a limiting block 11. When the oil dipstick handle 1 is inserted into the handle seat connector 2 and rotated, the limiting block 11 can be blocked by the limiting protrusion 21. The outer wall of the handle seat connector 2 located at each limiting protrusion 21 is provided with a first concave-convex limiting structure 22. The inner surface of the limiting block 11 is provided with a second concave-convex limiting structure 12 corresponding to the shape and position of the first concave-convex limiting structure 22. Because a limiting protrusion 21 is provided on the outer wall of the handle seat connector 2, and a limiting block 11 is provided on the outer wall of the dipstick handle 1 extending outward, the limiting block 11 can be blocked by the limiting protrusion 21 when the dipstick handle 1 is inserted into the handle seat connector 2 and rotated. It can play a certain role in limiting and preventing it from falling off. However, this structure has poor vibration resistance. After long-term vibration, the dipstick handle 1 and the handle seat connector 2 may rotate and separate. This can affect the lifespan of the oil dipstick tube and cause abnormal engine noise. Furthermore, if the handle seat connector 2 detaches from the oil dipstick handle 1, external dust and impurities can easily enter the engine oil pan, contaminating the engine oil and affecting the overall engine lifespan. In this structure, a first concave-convex limiting structure 22 is provided on the outer wall of the handle seat connector 2, and a second concave-convex limiting structure 12 is provided on the limiting block 11. When the limiting block 11 rotates to the blocking position of the limiting protrusion 21, the second concave-convex limiting structure 12 can engage with the first concave-convex limiting structure 22, thus achieving a secure and anti-detachment mechanism. To remove the oil dipstick handle 1, forcefully rotate it to allow the second concave-convex limiting structure 12 to slide out of the first concave-convex limiting structure 22. This simpler structure provides the oil dipstick assembly with limiting and anti-detachment functions, thereby reducing product cost and operational difficulty, and improving product competitiveness.
[0032] In this embodiment, the first concave-convex limiting structure 22 is a hemispherical groove, and the second concave-convex limiting structure 12 is a hemispherical protrusion. Of course, in other embodiments, the first concave-convex limiting structure 22 can also be a hemispherical protrusion, and the second concave-convex limiting structure 12 can be a hemispherical groove. All of these should fall within the protection scope of this utility model.
[0033] In other embodiments, the first concave-convex limiting structure 22 can also be a semi-elliptical groove, and the second concave-convex limiting structure 12 can be a semi-elliptical protrusion. As long as they can smoothly transition and play a fastening and anti-detachment function, they should all fall within the protection scope of this utility model.
[0034] Since these structures are all molded on the outside, manufacturing and subsequent maintenance become much simpler.
[0035] Example 2, please refer to Figure 4As a further optimization of Embodiment 1, in this embodiment, the limiting protrusion 21 is inverted L-shaped. There are two limiting protrusions 21, which are respectively disposed on both sides of the outer wall of the handle seat connector 2. The two limiting protrusions 21 are arranged in a rotationally symmetrical manner, and the position and number of the limiting blocks 11 correspond to the position and number of the limiting protrusions 21. The inverted L-shaped limiting protrusions 21 can effectively restrict the dipstick handle 1 to rotate only in one direction. Of course, in other embodiments, three, four, or even more limiting protrusions 21 can be provided, which can be set according to actual needs. However, if the number of limiting protrusions 21 is set too large, the gap for inserting the dipstick handle 1 will be smaller, causing the problem mentioned in the background art that it needs to be aligned before insertion, which will increase the difficulty of operation and reduce the competitiveness of the product.
[0036] Furthermore, the limiting protrusion 21 includes a first protrusion 211 and a second protrusion 212 connected end to end. The first protrusion 211 is perpendicular to the second protrusion 212. A third protrusion 213 is provided at the end of the first protrusion 211. The inner side of the connection between the third protrusion 213 and the first protrusion 211 is provided with a slope transition. The third protrusion 213 is shorter and parallel to the second protrusion 212 and faces the same side. After the first protrusion 211, the third protrusion 213 and the second protrusion 212 are assembled, the oil dipstick handle 1 is prevented from sliding axially. The second concave-convex limiting structure 12 and the first concave-convex limiting structure 22 can play a good fixing role, improve vibration performance, and the handle and handle seat connector 2 will not rotate and disengage after long-term vibration, thereby improving the service life of the oil dipstick tube and avoiding abnormal engine noise.
[0037] Furthermore, the inner surfaces of the first protrusion 211, the second protrusion 212, and the third protrusion 213 are all provided with arc transitions. The arc transitions and ramp transitions can make the dipstick handle 1 slide in and out better during installation and removal, avoiding difficulties in disassembly and assembly.
[0038] Furthermore, the dipstick handle 1 is provided with an insertion post 13, and the handle seat connector 2 is provided with an insertion channel. The insertion post 13 can be inserted into the insertion channel. The insertion post 13 is provided with a sealing ring 14 to improve the sealing ability.
[0039] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0040] Obviously, the embodiments described above are only some embodiments of this application, not all embodiments. The accompanying drawings show preferred embodiments of this application, but do not limit the patent scope of this application. This application can be implemented in many different forms; rather, the purpose of providing these embodiments is to provide a more thorough and comprehensive understanding of the disclosure of this application. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments, or make equivalent substitutions for some of the technical features. Any equivalent structures made using the content of this application's specification and drawings, directly or indirectly applied to other related technical fields, are similarly within the scope of patent protection of this application.
Claims
1. An oil dipstick assembly, characterized in that, It includes a dipstick handle and a handle seat connector. The outer wall of the handle seat connector is provided with at least one limiting protrusion. The outer wall of the dipstick handle is provided with a limiting block extending outward. When the dipstick handle is inserted into the handle seat connector and rotated, the limiting block can be blocked by the limiting protrusion. The outer wall of the handle seat connector located at each of the limiting protrusions is provided with a first concave-convex limiting structure. The inner surface of the limiting block is provided with a second concave-convex limiting structure corresponding to the shape and position of the first concave-convex limiting structure.
2. The oil dipstick assembly according to claim 1, characterized in that, The limiting protrusion is inverted L-shaped.
3. The oil dipstick assembly according to claim 2, characterized in that, There are two limiting protrusions, which are respectively located on both sides of the outer wall of the handle seat connector, and the two limiting protrusions are arranged in a rotationally symmetrical manner.
4. The oil dipstick assembly according to claim 3, characterized in that, The position and number of the limiting blocks correspond to the position and number of the limiting protrusions.
5. The oil dipstick assembly according to claim 2, characterized in that, The limiting protrusion includes a first protrusion and a second protrusion connected end to end, the first protrusion and the second protrusion are arranged perpendicularly, and a third protrusion is provided at the end of the first protrusion.
6. The oil dipstick assembly according to claim 5, characterized in that, The inner side of the connection between the third protrusion and the first protrusion is provided with a slope transition.
7. The oil dipstick assembly according to claim 5, characterized in that, The inner surfaces of the first protrusion, the second protrusion, and the third protrusion are all provided with rounded transitions.
8. The oil dipstick assembly according to claim 1, characterized in that, The dipstick handle is provided with an insertion post, and the handle seat connector has an insertion channel, into which the insertion post can be inserted.
9. The oil dipstick assembly according to claim 8, characterized in that, A sealing ring is provided on the insertion column.