Oil level gauge structure
By using a temperature-sensitive color layer to display the oil temperature, the problem of unenvironmental protection of mercury oil thermometers is solved, and environmentally friendly and accurate oil temperature display is achieved, avoiding mercury steam damage.
Patent Information
- Application Number
- CN202422590220.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-25
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-10-25
AI Technical Summary
The use of mercury oil thermometers in existing oil level meters is not environmentally friendly, and mercury evaporation will cause harm to the human body, and the oil temperature display is not accurate enough.
A temperature-sensitive color layer is used instead of a mercury oil thermometer, and the oil temperature is displayed through the temperature-sensitive color layer, and the temperature-sensitive color layer changes color when the temperature changes.
It realizes an environmentally friendly oil temperature display, avoids the harm of mercury steam to the human body, and can display the oil temperature range to meet the temperature control needs of hydraulic equipment.
Smart Images

Figure CN223243667U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of oil level gauge structures, and more specifically, to an oil level gauge structure. Background Art
[0002] In hydraulic / oil pressure equipment, it is usually necessary to install an oil level gauge on the surface of the oil tank to display the oil temperature and oil level inside the tank.
[0003] The structure of a general oil level gauge mainly includes a metal shell, a gasket, a transparent sheet, a sealing component and a mercury oil thermometer carrier plate. During assembly, the gasket, transparent sheet and sealing component are arranged in sequence on one side of the metal shell; the mercury oil thermometer carrier plate is assembled between the sealing component and the outer surface of the oil tank, wherein an observation port is provided on the metal shell; during installation, the oil level gauge is fixed to the outer surface of the oil tank by two locking bolts, wherein an oil pipeline is provided on the locking bolts so that the oil in the oil tank can enter the oil level gauge through the oil pipeline; so that the user can obtain the liquid level of the oil in the oil tank through the observation port on the metal shell and obtain the oil temperature through the position of mercury in the mercury oil thermometer.
[0004] However, using a mercury oil thermometer as the oil temperature measuring component of the oil level gauge is extremely environmentally unfriendly, and mercury easily evaporates during use to form mercury vapor, which can cause great harm to the human body; secondly, the oil temperature of the liquid / oil pressure only needs to be controlled within a specific temperature range, and there is no need to display the accurate temperature. Therefore, there is no need to use the rising and falling positions of mercury to display the accurate temperature. Utility Model Content
[0005] In view of the shortcomings of the existing technology, the purpose of the present invention is to provide an oil level gauge structure to solve the technical problems existing in the existing oil level gauges in the above background technology.
[0006] The above technical objectives of the present utility model are achieved through the following technical solutions: an oil level gauge structure, comprising: a main body; an oil temperature display unit is arranged on one side of the main body; an installation cavity is opened on the main body; the oil temperature display unit is a carrier plate with a temperature-sensitive color layer arranged on one side surface; the carrier plate is arranged on one side of the main body, and the temperature-sensitive color layer is located in the installation cavity; locking bolts for locking the main body to the outer surface of the oil tank are passed through both ends of the main body; an oil pipeline is arranged on the locking bolt; the oil pipeline is a T-shaped oil pipeline, and is connected to the installation cavity; an observation window is opened on the side of the main body away from the carrier plate.
[0007] Optionally, the temperature-sensitive color layer is a sheet that can change color as the temperature changes.
[0008] Optionally, the temperature-sensitive color layer is a coating layer that changes color as the temperature changes.
[0009] Optionally, the main body includes a metal shell, a sealing gasket, a transparent panel and a sealing pressure plate; the sealing pressure plate is arranged in the metal shell to form the installation cavity; the observation window is arranged in the metal shell; the sealing gasket and the transparent panel are arranged in the installation cavity in sequence along the direction of the observation window; the carrier plate is arranged on the outer side of the sealing pressure plate.
[0010] Optionally, the oil passage includes: a first oil passage and a second oil passage; the first oil passage is arranged on the central axis of the locking bolt; the second oil passage passes through the side wall of the locking bolt; the first oil passage is connected to the middle end of the second oil passage; the pipeline diameter of the first oil passage and the pipeline diameter of the second oil passage are both 3-5 mm.
[0011] The utility model adopts a temperature-sensitive color layer to display the oil temperature range in the oil tank of the hydraulic equipment, which is more environmentally friendly than the previous display method using a mercury meter; and can also avoid the situation where mercury evaporation forms mercury vapor that causes harm to the human body. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is an assembly drawing of the utility model;
[0013] Figure 2 yes Figure 1 Exploded diagram;
[0014] Figure 3 It is a structural diagram of the locking bolt and the oil pipeline;
[0015] Figure 4 It is a structural schematic diagram of the oil temperature display unit in the utility model.
[0016] In the figure: 1. Main body; 11. Metal shell; 12. Sealing pressure plate; 13. Sealing gasket; 14. Transparent panel; 2. Oil temperature display unit; 21. Carrier board; 22. Temperature-sensitive color layer; 3. Locking bolt; 4. Oil pipeline; 41. First oil circuit; 42. Second oil circuit; 5. Observation window. DETAILED DESCRIPTION
[0017] To make the objectives, features, and advantages of the present invention more readily apparent, the following detailed description of the present invention is provided with reference to the accompanying drawings. The accompanying drawings illustrate several embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein.
[0018] In the present invention, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be a communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances. The terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of such features.
[0019] In the present invention, unless otherwise expressly specified and limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature. The terms "vertical," "horizontal," "left," "right," "above," "below," and similar expressions are for illustrative purposes only and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as limiting the present invention.
[0020] The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
[0021] like Figure 1-4 As shown, the utility model provides an oil level gauge structure, comprising: a main body 1; an oil temperature display unit 2 is provided on one side of the main body 1; a mounting cavity is opened on the main body 1; the oil temperature display unit 2 is a carrier plate 21 with a temperature-sensitive color layer 22 provided on one side surface; the carrier plate 21 is provided on one side of the main body 1, and the temperature-sensitive color layer 22 is located in the mounting cavity; locking bolts 3 for locking the main body 1 to the outer surface of the oil tank are passed through both ends of the main body 1; an oil pipeline 4 is provided on the locking bolt 3; the oil pipeline 4 is a T-shaped oil pipeline 4 and is connected to the mounting cavity; an observation window 5 is opened on the side of the main body 1 away from the carrier plate 21.
[0022] In this embodiment, if Figure 1-4As shown, the oil level gauge is mainly composed of a main body 1, an oil temperature display unit 2 and two locking bolts 3, wherein the oil temperature display unit 2 is composed of a carrier plate 21 and a temperature-sensitive color layer 22 on the surface; during assembly, the main body 1 is installed and locked on the outer surface of the oil tank of the hydraulic equipment by the locking bolts 3 at both ends of the main body 1, at this time, the outer wall surface of the carrier plate 21 is in contact with the outer surface of the oil tank; and because the oil in the oil tank enters the installation cavity of the main body 1 through the oil pipeline 4 of the two locking bolts 3, it contacts the temperature-sensitive color layer 22 of the oil temperature display unit 2, causing the temperature-sensitive color layer 22 to change color, so that the user can obtain the liquid level height and oil temperature of the oil tank through the observation window 5 on the main body 1; in this embodiment, the temperature-sensitive color layer 22 can be provided with multiple temperature-changing color areas; using the temperature-sensitive color layer 22 to display the oil temperature range in the oil tank of the hydraulic equipment is more environmentally friendly than the previous display method using a mercury meter; at the same time, it can avoid the situation where mercury evaporates to form mercury vapor that causes harm to the human body.
[0023] In one embodiment, the temperature-sensitive color layer 22 is a sheet that changes color with temperature.
[0024] In one embodiment, the temperature-sensitive color layer 22 is a coating layer that changes color with temperature.
[0025] In one embodiment, Figure 1-2 The main body 1 includes a metal shell 11, a sealing gasket 13, a transparent panel 14 and a sealing pressure plate 12; the sealing pressure plate 12 is arranged in the metal shell 11 to form the installation cavity; the observation window 5 is arranged in the metal shell 11; the sealing gasket 13 and the transparent panel 14 are arranged in the installation cavity in sequence along the direction of the observation window 5; the carrier plate 21 is attached to the outer side of the sealing pressure plate 12; during assembly, two locking bolts pass through the metal shell 11, the sealing gasket 13, the transparent panel 14, the sealing pressure plate 12 and the carrier plate 21 in sequence, and are locked and installed on the outer surface of the oil tank of the hydraulic equipment; at the same time, a sealing rubber ring is provided at the connection position between the locking bolt 3 and the metal shell 11 to avoid oil leakage.
[0026] Further, if Figure 3 As shown, the oil passage 4 includes: a first oil passage 41 and a second oil passage 42; the first oil passage 41 is arranged on the central axis of the locking bolt 3; the second oil passage 42 is passed through the side wall of the locking bolt; the first oil passage 41 is connected to the middle end of the second oil passage 42 to form a T-shaped oil passage 4; the pipeline diameter of the first oil passage 41 and the pipeline diameter of the second oil passage 42 are both 3-5 mm.
[0027] The oil level gauge structure of the present invention uses a temperature-sensitive color layer 22 to display the oil temperature range in the oil tank of the hydraulic equipment. Compared with the previous display method using a mercury meter, it is more environmentally friendly and can also avoid the situation where mercury evaporation forms mercury vapor that causes harm to the human body.
[0028] The above description is merely a preferred embodiment of the present invention. The scope of protection of the present invention is not limited to the above embodiment. All technical solutions based on the concept of the present invention are within the scope of protection of the present invention. It should be noted that for those skilled in the art, certain improvements and modifications that do not depart from the principles of the present invention should also be considered within the scope of protection of the present invention.
Claims
1. An oil level gauge structure, characterized in that: include: ontology; An oil temperature display unit is provided on one side of the main body; a mounting cavity is provided on the main body; the oil temperature display unit is a carrier plate having a temperature-sensitive color layer provided on one surface; the carrier plate is provided on one side of the main body, and the temperature-sensitive color layer is located in the mounting cavity; locking bolts for locking the main body to the outer surface of the oil tank are passed through both ends of the main body; an oil pipeline is provided on the locking bolt; the oil pipeline is a T-shaped oil pipeline and is connected to the mounting cavity; an observation window is provided on the side of the main body away from the carrier plate.
2. The oil level gauge structure according to claim 1, characterized in that: The temperature-sensitive color layer is a sheet that can change color as the temperature changes.
3. The oil level gauge structure according to claim 1, characterized in that: The temperature-sensitive color layer is a coating layer that can change color as the temperature changes.
4. The oil level gauge structure according to claim 1, characterized in that: The main body includes a metal shell, a sealing gasket, a transparent panel and a sealing pressure plate; the sealing pressure plate is arranged in the metal shell to form the installation cavity; the observation window is arranged in the metal shell; the sealing gasket and the transparent panel are arranged in the installation cavity in sequence along the direction of the observation window; the carrier plate is arranged on the outer side of the sealing pressure plate.
5. The oil level gauge structure according to claim 1, characterized in that: The oil pipeline includes: a first oil circuit and a second oil circuit; the first oil circuit is arranged on the central axis of the locking bolt; the second oil circuit passes through the side wall of the locking bolt; the first oil circuit is connected to the middle end of the second oil circuit; the pipeline diameter of the first oil circuit and the pipeline diameter of the second oil circuit are both 3-5mm.