Oil level detection device and oil sump system
By designing an oil level detection device, flexible oil level detection is achieved using components such as a positioning seat, hose sleeve, and clamp, which solves the problem of fixed installation angle of metal oil dipsticks, improves versatility, and reduces costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHANGCHAI
- Filing Date
- 2025-07-09
- Publication Date
- 2026-06-02
AI Technical Summary
The existing metal dipsticks have a fixed installation angle, making them difficult to use with different engine models, increasing production and maintenance costs, and resulting in high processing costs.
Design an oil level detection device, including an oil dipstick tube positioning unit, a sealing unit, a sleeve unit, and a flexible level detection unit. Flexible level detection is achieved through components such as a positioning seat, a rubber sleeve, and a clamp, which can adapt to different placement and fixation positions.
It improves assembly efficiency, is suitable for various engine models, reduces production and maintenance costs, and is simple and adjustable to fix.
Smart Images

Figure CN224315054U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of measuring equipment technology, specifically relating to dipsticks, and more particularly to an oil level detection device and oil pan system. Background Technology
[0002] The existing metal dipstick is inserted directly into the oil pan through the dipstick sleeve to check the oil level in the oil pan. However, the installation angle and position of the metal dipstick are fixed, and the metal dipsticks of different engine models are not interchangeable, which increases production and maintenance costs. Moreover, the processing cost of metal is very high.
[0003] Therefore, there is an urgent need to develop a new oil level detection device and oil pan system to solve the technical problem of fixing the installation angle of existing metal oil dipsticks.
[0004] It should be noted that the information disclosed in this background section is only for understanding the background technology of the present application concept, and therefore, the above description is not considered to constitute prior art information. Utility Model Content
[0005] This disclosure provides at least one oil level detection device and oil pan system.
[0006] In a first aspect, embodiments of this disclosure provide an oil level detection device, comprising: an oil dipstick tube positioning unit, a sealing unit, a sleeve unit, and a flexible level detection unit; wherein the sealing unit is sleeved with the oil dipstick tube positioning unit to form an insertion groove between the oil dipstick tube positioning unit and the sealing unit; the oil dipstick tube positioning unit is adapted to be inserted into an oil dipstick sleeve seat on an oil pan housing, such that the oil dipstick sleeve seat is embedded in the insertion groove; the sleeve unit is sleeved with the oil dipstick tube positioning unit, and the flexible level detection unit extends through the sleeve unit and the oil dipstick tube positioning unit through the oil dipstick sleeve seat into the oil pan housing to detect the oil level.
[0007] In one optional embodiment, the oil dipstick tube positioning unit includes: a positioning seat; the positioning seat has a first channel suitable for inserting a flexible liquid level detection unit; the positioning seat is cylindrical, and the positioning seat has a first diameter portion, a second diameter portion, and a third diameter portion arranged sequentially from top to bottom, with the first diameter portion having the smallest diameter and the second diameter portion having the largest diameter; the sealing unit is sleeved with the second diameter portion and the third diameter portion to form an insertion groove with the sealing unit in the third diameter portion; the sleeve unit is sleeved with the first diameter portion.
[0008] In one optional embodiment, the sealing unit includes: a first rubber sleeve; the first rubber sleeve is sleeved with a second diameter portion and a third diameter portion, and the first rubber sleeve and the second diameter portion are interference-fitted.
[0009] In one optional embodiment, the oil level detection device further includes a fastening unit; the fastening unit is sleeved with the first hose sleeve to fasten the first hose sleeve and the second diameter portion.
[0010] In one alternative embodiment, the fastening unit includes a clamp; the clamp is sleeved with a first hose sleeve to fasten the first hose sleeve and the second diameter portion.
[0011] In one optional embodiment, the sleeve unit includes: a second tubing sleeve; the second tubing sleeve is sleeved with the first diameter portion, and the second tubing sleeve and the second diameter portion are interference-fitted.
[0012] In one optional embodiment, the inner wall of the second tubing sleeve is provided with a high-temperature resistant and oil-resistant layer.
[0013] In one optional embodiment, the flexible oil level detection unit includes: a flexible dipstick; the flexible dipstick is adapted to pass through the second hose sleeve and the first channel, and extend into the oil pan housing through the dipstick sleeve seat to detect the oil level.
[0014] In one alternative implementation, the flexible dipstick is a steel-ringed rope dipstick.
[0015] Secondly, embodiments of this disclosure also provide an oil pan system, which includes: the oil level detection device as described above.
[0016] The beneficial effects of this utility model are that the oil dipstick tube positioning unit and the sealing unit are directly fitted onto the oil dipstick sleeve seat, which meets the positioning and sealing requirements of the flexible liquid level detection unit. Furthermore, the fitting unit and the flexible liquid level detection unit can adapt to different placement positions, are simple to fix and adjustable, and are convenient to install and disassemble, which can improve assembly efficiency. It is applicable to a variety of different engine models, improves versatility, and reduces production and maintenance costs.
[0017] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objectives and other advantages of this invention are realized and obtained through the structures particularly pointed out in the description and the accompanying drawings.
[0018] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, preferred embodiments are described in detail below with reference to the accompanying drawings. Attached Figure Description
[0019] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.
[0020] Figure 1 This is an assembly drawing of an oil level detection device provided in an embodiment of the present disclosure;
[0021] Figure 2 A structural diagram of an oil dipstick tube positioning unit provided in an embodiment of this disclosure;
[0022] Figure 3 This is a cross-sectional view of an oil dipstick tube positioning unit provided in an embodiment of this disclosure.
[0023] In the picture:
[0024] 1. Oil dipstick tube positioning unit; 11. Positioning seat; 111. First diameter section; 112. Second diameter section; 113. Third diameter section; 114. First channel; 115. Insertion groove;
[0025] 2. Sealing unit; 21. First hose sleeve; 22. Fastening unit; 221. Clamp;
[0026] 3. Connecting unit; 31. Second hose sleeve;
[0027] 4. Flexible liquid level detection unit; 41. Flexible oil dipstick;
[0028] 5. Oil dipstick sleeve holder;
[0029] 6. Oil pan. Detailed Implementation
[0030] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0031] In this document, when it is mentioned that a first component is located on a second component, this can mean that the first component can be directly formed on the second component, or that a third component can be inserted between the first and second components. Furthermore, in the accompanying drawings, the thickness of the components may be exaggerated or reduced for the purpose of effectively describing the technical content.
[0032] In this document, when an element or layer is referred to as “located,” “joined to,” “connected to,” “attached to,” or “coupled to” another element or layer, it may be directly located, joined, connected, attached to, or coupled to the other element or layer, or there may be intermediate elements or layers present. Conversely, when an element is referred to as “directly on another element or layer,” “directly joined to,” “directly connected to,” “directly attached to,” or “directly coupled to” another element or layer, there may be no intermediate elements or layers present. Other terms used to describe relationships between elements should be interpreted in a similar manner (e.g., “between” versus “directly between,” “adjacent” versus “directly adjacent,” etc.). As used herein, the term “and / or” includes any and all combinations of one or more of the related listed items.
[0033] In this document, exemplary embodiments of the present disclosure will be described in more detail with reference to the accompanying drawings. As used herein, expressions such as “at least one of…” modify the entire list of elements when following a list of elements, rather than individual elements in the list. For example, the expression “at least one of a, b, and c” should be understood to include only a, only b, only c, both a and b, both a and c, both b and c, or all of a, b, and c.
[0034] The terminology used herein is for the purpose of describing specific exemplary configurations only and is not intended to be restrictive. As used herein, the singular articles “a,” “one,” and “the” may also be intended to include plural forms unless otherwise clearly stated above.
[0035] As used herein, the phrases “in one embodiment,” “according to one embodiment,” “in some embodiments,” etc., generally refer to the fact that a particular feature, structure, or characteristic following the phrase can be included in at least one embodiment of this disclosure. Therefore, a particular feature, structure, or characteristic can be included in more than one embodiment of this disclosure, such that these phrases do not necessarily refer to the same embodiment. As used herein, the terms “example,” “exemplary,” etc., are used to “serve as an example, instance, or illustration.” Any implementation, aspect, or design described herein as “example” or “exemplary” is not necessarily to be construed as preferred or superior to other implementations, aspects, or designs. Rather, the use of the terms “example,” “exemplary,” etc., is intended to present concepts in a specific manner.
[0036] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.
[0037] The following detailed description, with reference to the accompanying drawings, describes some embodiments of the present invention. Unless otherwise specified, the following embodiments and features can be combined with each other.
[0038] like Figures 1 to 3 As shown, at least one embodiment provides an oil level detection device, which includes: an oil dipstick tube positioning unit 1, a sealing unit 2, a sleeve unit 3, and a flexible level detection unit 4; wherein the sealing unit 2 is sleeved with the oil dipstick tube positioning unit 1 to form an insertion groove 115 between the oil dipstick tube positioning unit 1 and the sealing unit 2; the oil dipstick tube positioning unit 1 is adapted to be inserted into the oil dipstick sleeve seat 5 of the oil pan housing 6 so that the oil dipstick sleeve seat 5 is embedded in the insertion groove 115; the sleeve unit 3 is sleeved with the oil dipstick tube positioning unit 1, and the flexible level detection unit 4 extends through the sleeve unit 3 and the oil dipstick tube positioning unit 1 through the oil dipstick sleeve seat 5 into the oil pan housing 6 to detect the oil level.
[0039] In at least one embodiment, the oil dipstick tube positioning unit 1 and the sealing unit 2 are directly fitted onto the oil dipstick sleeve seat 5 to meet the positioning and sealing requirements of the flexible liquid level detection unit 4. Furthermore, the sleeve unit 3, in conjunction with the flexible liquid level detection unit 4, can adapt to different placement positions. The fixing is simple and adjustable, making it convenient for installation and disassembly, which can improve assembly efficiency. It is applicable to a variety of different engine models, improving versatility while reducing production and maintenance costs.
[0040] In at least one embodiment, please refer to Figure 2 , Figure 3 The oil dipstick tube positioning unit 1 includes: a positioning seat 11; the positioning seat 11 has a first channel 114 suitable for inserting the flexible liquid level detection unit 4; the positioning seat 11 is cylindrical, and the positioning seat 11 has a first diameter portion 111, a second diameter portion 112, and a third diameter portion 113 arranged sequentially from top to bottom, with the first diameter portion 111 having the smallest diameter and the second diameter portion 112 having the largest diameter; the sealing unit 2 is sleeved with the second diameter portion 112 and the third diameter portion 113 to form an insertion groove 115 between the third diameter portion 113 and the sealing unit 2; the sleeve unit 3 is sleeved with the first diameter portion 111.
[0041] Specifically, a first channel 114 is opened in the positioning seat 11 to guide the flexible liquid level detection unit 4 into the oil pan 6.
[0042] Specifically, the first diameter portion 111 facilitates connection with the socket unit 3.
[0043] Specifically, the second diameter portion 112 serves a supporting function.
[0044] Specifically, the third diameter section 113, in conjunction with the sealing unit 2, can directly install the positioning seat 11 on the oil dipstick sleeve seat 5, thereby achieving positioning and fixing.
[0045] Specifically, the third diameter section 113, in conjunction with the sealing unit 2, also serves to seal, thereby isolating the dipstick sleeve seat 5 from the outside.
[0046] In at least one embodiment, please refer to Figure 3 The sealing unit 2 includes: a first rubber sleeve 21; the first rubber sleeve 21 is sleeved with the second diameter portion 112 and the third diameter portion 113, and the first rubber sleeve 21 and the second diameter portion 112 are interference fit.
[0047] Specifically, the first hose sleeve 21 ensures a seal by interfering with the positioning seat 11 through the elastic deformation of the hose.
[0048] In at least one embodiment, please refer to Figures 1 to 3 The oil level detection device further includes a fastening unit 22; the fastening unit 22 is sleeved with the first hose sleeve 21 to fasten the first hose sleeve 21 and the second diameter portion 112.
[0049] In at least one embodiment, please refer to Figure 3 The fastening unit 22 includes a clamp 221; the clamp 221 is sleeved with the first hose sleeve 21 to fasten the first hose sleeve 21 and the second diameter portion 112.
[0050] Specifically, the clamp 221 can ensure that the position of the first hose sleeve 21 is fixed.
[0051] In at least one embodiment, please refer to Figures 1 to 3 The sleeve unit 3 includes: a second tubing sleeve 31; the second tubing sleeve 31 is sleeved with the first diameter portion 111, and the second tubing sleeve 31 is interference-fitted with the second diameter portion 112.
[0052] Specifically, the length of the second hose sleeve 31 depends mainly on the user's needs, and the placement position can be determined according to the customer's needs, making it widely applicable.
[0053] In at least one embodiment, the inner wall of the second tubing sleeve 31 is provided with a high-temperature resistant and oil-resistant layer.
[0054] Specifically, a high-temperature and oil-resistant layer is provided on the inner wall of the second hose sleeve 31, which can be applied to many scenarios and can be adapted to different placement positions when combined with the flexible liquid level detection unit 4.
[0055] Specifically, the second hose sleeve 31 can withstand the temperature of the engine compartment and ensure that it will not age under long-term load operation.
[0056] In at least one embodiment, please refer to Figures 1 to 3The flexible oil level detection unit 4 includes a flexible oil dipstick 41; the flexible oil dipstick 41 is adapted to pass through the second rubber sleeve 31 and the first channel 114, and extend into the oil pan housing 6 through the oil dipstick sleeve seat 5 to detect the oil level.
[0057] Specifically, the flexible oil dipstick 41, together with the adjustable second hose sleeve 31 and the positioning seat 11, makes the flexible oil dipstick 41 applicable to a variety of different engine models, improving versatility, reducing production and maintenance costs, and providing simple and adjustable fixing, which facilitates installation and disassembly and improves assembly efficiency.
[0058] In at least one embodiment, the flexible oil dipstick 41 is a steel cord dipstick.
[0059] Specifically, the flexible oil dipstick 41 made of steel ring rope has sufficient flexibility to be used in a variety of scenarios and is not easily broken.
[0060] Based on the same technical concept, at least one embodiment also provides an oil pan system, which includes: the oil level detection device as described above.
[0061] In summary, this utility model uses an oil dipstick tube positioning unit and a sealing unit to directly fit onto the oil dipstick sleeve seat, meeting the positioning and sealing requirements of the flexible liquid level detection unit. Furthermore, the fitting unit, combined with the flexible liquid level detection unit, can adapt to different placement positions, is simple to fix and adjustable, and is convenient for installation and disassembly, improving assembly efficiency. It is applicable to various engine models, increasing versatility while reducing production and maintenance costs; it is suitable for use in diesel engines of non-road construction machinery.
[0062] In the description of the embodiments of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0063] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not 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. Furthermore, terms such as "first," "second," and other numerical terms used herein do not imply order or sequence unless expressly indicated herein. Therefore, without departing from the teachings of the exemplary embodiments, the first element, component, region, layer, or segment discussed above may be referred to as the second element, component, region, layer, or segment.
[0064] Spatially relative terms, such as “inside,” “outside,” “below,” “below,” “down,” “above,” “up,” etc., may be used herein to describe the relationship between one element or feature illustrated in the figures and another element or feature. In addition to the orientations depicted in the figures, spatially relative terms may be intended to cover different orientations of the device in use or operation. For example, if the device in the figure is flipped, an element described as “below” or “below” other elements or features would be oriented as “above” other elements or features. Thus, the example term “below” can cover both above and below orientations. The device may be oriented in other ways (rotated 90 degrees or in other orientations), and the spatially relative descriptors used herein are interpreted accordingly.
[0065] In the above discussion, unless otherwise stated, when used to describe numerical values, the terms “about,” “approximately,” “basically,” etc., indicate a change of + / - 10% in that value.
[0066] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.
Claims
1. An oil level detection device, characterized in that, include: Oil dipstick tube positioning unit (1), sealing unit (2), sleeve unit (3) and flexible liquid level detection unit (4); in The sealing unit (2) is sleeved with the oil dipstick tube positioning unit (1) to form an insertion groove (115) between the oil dipstick tube positioning unit (1) and the sealing unit (2). The dipstick tube positioning unit (1) is adapted to be inserted into the dipstick sleeve seat (5) of the oil pan housing (6) so that the dipstick sleeve seat (5) is embedded in the insertion groove (115); The sleeve unit (3) is sleeved with the dipstick tube positioning unit (1), and the flexible liquid level detection unit (4) penetrates the sleeve unit (3) and the dipstick tube positioning unit (1) and extends into the oil pan housing (6) through the dipstick sleeve seat (5) to detect the oil level.
2. The oil level detection device as described in claim 1, characterized in that, The oil dipstick tube positioning unit (1) includes: a positioning seat (11); The positioning seat (11) has a first channel (114) suitable for inserting the flexible liquid level detection unit (4). The positioning seat (11) is cylindrical. The positioning seat (11) is provided with a first diameter portion (111), a second diameter portion (112), and a third diameter portion (113) from top to bottom. The diameter of the first diameter portion (111) is the smallest, and the diameter of the second diameter portion (112) is the largest. The sealing unit (2) is sleeved with the second diameter portion (112) and the third diameter portion (113) to form an insertion groove (115) between the third diameter portion (113) and the sealing unit (2). The sleeve unit (3) is sleeved with the first diameter portion (111).
3. The oil level detection device as described in claim 2, characterized in that, The sealing unit (2) includes: a first rubber sleeve (21); The first tubing sleeve (21) is fitted with the second diameter portion (112) and the third diameter portion (113), and the first tubing sleeve (21) and the second diameter portion (112) are interference fit.
4. The oil level detection device as described in claim 3, characterized in that, Also includes: Fastening unit (22); The fastening unit (22) is sleeved with the first tubing sleeve (21) to fasten the first tubing sleeve (21) and the second diameter portion (112).
5. The oil level detection device as described in claim 4, characterized in that, The fastening unit (22) includes: a clamp (221); The clamp (221) is fitted with the first hose sleeve (21) to secure the first hose sleeve (21) and the second diameter portion (112).
6. The oil level detection device as described in claim 2, characterized in that, The socket unit (3) includes: a second hose sleeve (31); The second tubing sleeve (31) is fitted onto the first diameter portion (111), and the second tubing sleeve (31) is interference-fitted with the second diameter portion (112).
7. The oil level detection device as described in claim 6, characterized in that, The inner wall of the second rubber sleeve (31) is provided with a high temperature resistant and oil resistant layer.
8. The oil level detection device as described in claim 6, characterized in that, The flexible liquid level detection unit (4) includes: a flexible oil dipstick (41); The flexible dipstick (41) is adapted to pass through the second rubber sleeve (31) and the first channel (114), and extend into the oil pan housing (6) through the dipstick sleeve seat (5) to detect the oil level.
9. The oil level detection device as described in claim 8, characterized in that, The flexible oil dipstick (41) is a steel ring rope oil dipstick.
10. An oil pan system, characterized in that, include: The oil level detection device as described in any one of claims 1-9.