Transmission lubricating structure
By designing the lubricating structure of oil sensors, pump bodies, oil conduits and fuel injectors in the transmission, the problem of difficulty in monitoring and timely replenishing lubricating oil in the prior art is solved, and effective management of lubricating oil inside the transmission and wear reduction of gear changes components are achieved.
Patent Information
- Application Number
- CN202421446856.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-24
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-06-24
AI Technical Summary
The existing transmission lubrication structure is difficult to monitor and replenish lubricating oil in time, resulting in increased wear of the transmission components.
A transmission lubrication structure is designed, including an oil sensor, pump body, oil conductor pipe, fuel injector head and fuel tank. The lubricating oil level is monitored through the oil sensor. The pump body extracts the lubricating oil in the fuel tank and sprays it onto the transmission assembly through the oil conductor pipe and fuel injector head.
Timely replenishment and monitoring of the internal lubricant of the transmission is achieved, which reduces wear between the transmission components and can cool down the transmission components.
Smart Images

Figure CN222577291U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of transmissions, in particular to a transmission lubrication structure. Background Art
[0002] The gearbox, also known as the transmission, is an automotive accessory used to change the speed and torque from the engine, and can fix or change the transmission ratio of the output shaft and the input shaft in stages. The gearbox has the functions of realizing reversing, changing the transmission ratio to adapt to different driving conditions, and using the neutral gear to cut off the power transmission without shutting down the engine. It is widely used in the field of internal combustion engines. The gearbox can be divided into three types according to the number of transmission ratios: stepped, stepless and combined; according to the number of drive shafts, it can be divided into two-axis and three-axis; according to the operation method, it can be divided into manual transmission (MT) and automatic transmission, and automatic transmission can be divided into AT, AMT, DCT (DSG), CVT, etc.
[0003] The transmission is composed of a speed transmission mechanism and an operating mechanism. A power output device can be added when necessary. The manual transmission is mainly composed of gears and shafts, and speed and torque changes are generated through different gear combinations; the automatic transmission is mainly composed of a torque converter, planetary gears, a hydraulic pitch system and a hydraulic operating system, and speed and torque changes are achieved through hydraulic transmission and gear combinations. The transmission needs lubrication when in use. The current transmission lubrication structure is not convenient for monitoring the amount of lubricating oil, and it is impossible to replenish the oil inside the transmission in time, which easily increases the wear between the transmission components. For this reason, we propose a transmission lubrication structure to solve the above problems. Utility Model Content
[0004] The purpose of the utility model is to provide a transmission lubrication structure to solve the problems raised in the above background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A transmission lubrication structure comprises a gearbox housing, a gear shift assembly is arranged inside the gearbox housing, a transverse gear shift shaft is arranged on the outer surface of the gear shift assembly, a longitudinal gear shift shaft is arranged on the outer surface of the gear shift assembly, a connecting shaft is arranged on the upper surface of the gear shift assembly, a sealed bearing is arranged on the outer surface of the connecting shaft, a transmission bearing is arranged on the outer surface of the transverse gear shift shaft and the outer surface of the longitudinal gear shift shaft, two groups of oil sensors are installed on the inner side wall of the gearbox housing, a pump body is installed on the upper surface of the gearbox housing, an output end of the pump body is fixedly connected with an oil guide pipe, a bottom end of the oil guide pipe passes through the outer surface of the gearbox housing and extends to the inside of the gearbox housing, an oil spray head is installed on the bottom end of the oil guide pipe, an oil replenishing tank is installed on the upper surface of the gearbox housing, an input end of the pump body is fixedly connected with the right side surface of the oil replenishing tank, and oil discharge holes arranged at equal distances are opened on the bottom surface of the gearbox housing.
[0007] In a further embodiment, an upper surface of the oil replenishing tank is fixedly connected to an oil filling pipe, and an outer surface of the oil filling pipe is provided with a control valve.
[0008] In a further embodiment, a sealing plug is provided at the top end of the oil filling pipe, and an operating instruction sticker is pasted on the upper surface of the oil filling tank.
[0009] In a further embodiment, a connecting seat is provided at the top end of the connecting shaft, and a connecting groove is provided on the upper surface of the connecting seat.
[0010] In a further embodiment, a guide scoop is fixedly connected to the bottom surface of the gearbox housing, and an oil drain pipe is fixedly connected to the bottom surface of the guide scoop.
[0011] In a further embodiment, a sealing bolt is provided at the bottom end of the oil drain pipe, and a symmetrical nameplate is fixedly connected to the outer surface of the gearbox housing.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] The device cooperates with the oil filling pipe and the control valve to facilitate the staff to fill the oil into the oil filling tank, the oil filling pipe can be sealed by the sealing plug, the lubricating oil inside the gearbox housing can be monitored by the oil sensor, the lubricating oil inside the oil filling tank can be extracted by the pump body, and the speed change component can be sprayed with oil through the cooperation of the oil guide pipe and the oil spray head, so as to achieve the effect of timely oil replenishment inside the transmission, and at the same time, the speed change component can also be cooled to reduce the wear between the speed change components. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a three-dimensional structural schematic diagram of the front view of the transmission lubrication structure.
[0015] Figure 2It is a cross-sectional view of the top view of the transmission housing in the transmission lubrication structure.
[0016] Figure 3 A top view of the oil drain hole in the transmission lubrication structure.
[0017] Figure 4 It is a three-dimensional structural schematic diagram of the bottom view of the transmission lubrication structure.
[0018] In the figure: 1. gearbox housing; 2. speed change assembly; 3. transverse speed change shaft; 4. longitudinal speed change shaft; 5. connecting shaft; 6. sealed bearing; 7. oil filling tank; 8. pump body; 9. oil guide pipe; 10. oil spray head; 11. oil sensor; 12. oil drain hole; 13. guide bucket; 14. oil drain pipe; 15. sealing bolt; 16. transmission bearing; 17. nameplate; 18. operating instruction sticker; 19. oil filling pipe; 20. control valve; 21. sealing plug; 22. connecting seat; 23. connecting groove. DETAILED DESCRIPTION
[0019] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.
[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] See also Figure 1-4 In the utility model, a transmission lubrication structure includes a transmission housing 1, a transmission assembly 2 is arranged inside the transmission housing 1, a transverse transmission shaft 3 is arranged on the outer surface of the transmission assembly 2, a longitudinal transmission shaft 4 is arranged on the outer surface of the transmission assembly 2, a connecting shaft 5 is arranged on the upper surface of the transmission assembly 2, a sealing bearing 6 is arranged on the outer surface of the connecting shaft 5, a transmission bearing 16 is arranged on the outer surface of the transverse transmission shaft 3 and the outer surface of the longitudinal transmission shaft 4, two groups of oil sensors 11 are installed on the inner side wall of the transmission housing 1, a pump body 8 is installed on the upper surface of the transmission housing 1, an output end of the pump body 8 is fixedly connected with an oil guide pipe 9, and the bottom end of the oil guide pipe 9 passes through the transmission The outer surface of the box shell 1 extends to the interior of the gearbox shell 1, an oil spray head 10 is installed at the bottom end of the oil guide pipe 9, an oil replenishment tank 7 is installed on the upper surface of the gearbox shell 1, and the input end of the pump body 8 is fixedly connected to the right side of the oil replenishment tank 7. The bottom surface of the gearbox shell 1 is provided with oil discharge holes 12 arranged at equal distances. The oil sensor 11 can be used to monitor the lubricating oil inside the gearbox shell 1, and the pump body 8 is used to extract the lubricating oil inside the oil replenishment tank 7. Through the cooperation of the oil guide pipe 9 and the oil spray head 10, the speed change component 2 can be sprayed with oil, so as to achieve the effect of timely replenishing the oil inside the transmission, and the speed change component 2 can also be cooled.
[0023] The upper surface of the oil filling tank 7 is fixedly connected with an oil filling pipe 19, the outer surface of the oil filling pipe 19 is provided with a control valve 20, the top of the oil filling pipe 19 is provided with a sealing plug 21, and the upper surface of the oil filling tank 7 is pasted with an operating instruction reminder sticker 18, the top of the connecting shaft 5 is provided with a connecting seat 22, and the upper surface of the connecting seat 22 is provided with a connecting groove 23. Through the cooperation of the oil filling pipe 19 and the control valve 20, it is convenient for the staff to fill the oil into the oil filling tank 7, and the sealing plug 21 can be used to seal the oil filling pipe 19. Through the cooperation of the operating instruction reminder sticker 18, the staff can refer to it when operating to avoid operating errors.
[0024] The bottom surface of the gearbox housing 1 is fixedly connected with a guide bucket 13, and the bottom surface of the guide bucket 13 is fixedly connected with an oil drain pipe 14. The bottom end of the oil drain pipe 14 is provided with a sealing bolt 15. The outer surface of the gearbox housing 1 is fixedly connected with a symmetrical nameplate 17. Through the cooperation of the guide bucket 13 and the oil drain pipe 14, the lubricating oil can be diverted, and the oil drain pipe 14 can be sealed by the sealing bolt 15. The nameplate 17 is used to facilitate people to view the specific model of the transmission.
[0025] The working principle of the utility model is:
[0026] When in use, first connect the device to the corresponding power supply, then install the device on the corresponding vehicle, then connect the pump body 8 and the oil sensor 11 to the corresponding controller on the vehicle, and then use the oil sensor 11 to monitor the lubricating oil inside the gearbox housing 1. When the lubricating oil is too low, use the pump body 8 to extract the lubricating oil in the oil tank 7, and then use the oil guide pipe 9 and the oil spray head 10 to spray the transmission component 2, so as to achieve the effect of timely replenishing the oil inside the transmission, and at the same time, the transmission component 2 can also be cooled. When the lubricating oil needs to be replaced, the oil is discharged by using the oil drain hole 12, the guide bucket 13 and the oil drain pipe 14.
[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A transmission lubrication structure, characterized in that: The invention comprises a gearbox housing (1), wherein a speed change assembly (2) is arranged inside the gearbox housing (1), a transverse speed change shaft (3) is arranged on the outer surface of the speed change assembly (2), a longitudinal speed change shaft (4) is arranged on the outer surface of the speed change assembly (2), a connecting shaft (5) is arranged on the upper surface of the speed change assembly (2), a sealed bearing (6) is arranged on the outer surface of the connecting shaft (5), a transmission bearing (16) is arranged on the outer surface of the transverse speed change shaft (3) and the outer surface of the longitudinal speed change shaft (4), and two groups of oil sensors (11) are installed on the inner side wall of the gearbox housing (1). ), a pump body (8) is installed on the upper surface of the gearbox housing (1), the output end of the pump body (8) is fixedly connected to an oil guide pipe (9), the bottom end of the oil guide pipe (9) passes through the outer surface of the gearbox housing (1) and extends to the inside of the gearbox housing (1), an oil spray head (10) is installed at the bottom end of the oil guide pipe (9), an oil replenishing tank (7) is installed on the upper surface of the gearbox housing (1), the input end of the pump body (8) is fixedly connected to the right side of the oil replenishing tank (7), and the bottom surface of the gearbox housing (1) is provided with oil discharge holes (12) arranged at equal distances.
2. A transmission lubrication structure according to claim 1, characterized in that: The upper surface of the oil replenishing tank (7) is fixedly connected to an oil filling pipe (19), and the outer surface of the oil filling pipe (19) is provided with a control valve (20).
3. A transmission lubrication structure according to claim 2, characterized in that: A sealing plug (21) is provided at the top end of the oil filling pipe (19), and an operation instruction reminder sticker (18) is pasted on the upper surface of the oil replenishing tank (7).
4. A transmission lubrication structure according to claim 1, characterized in that: A connecting seat (22) is provided at the top end of the connecting shaft (5), and a connecting groove (23) is provided on the upper surface of the connecting seat (22).
5. The transmission lubrication structure according to claim 1, characterized in that: The bottom surface of the gearbox housing (1) is fixedly connected to a flow guide scoop (13), and the bottom surface of the flow guide scoop (13) is fixedly connected to an oil drain pipe (14).
6. A transmission lubrication structure according to claim 5, characterized in that: A sealing bolt (15) is provided at the bottom end of the oil drain pipe (14), and a symmetrical nameplate (17) is fixedly connected to the outer surface of the gearbox housing (1).