Lubricating oil flow guide structure of gearbox shell
By introducing an oil filter mechanism into the transmission housing guide structure, the problem of impurities in lubricating oil in the prior art cannot be filtered, and effective protection of the transmission transmission mechanism and improvement of service life are achieved.
Patent Information
- Application Number
- CN202421996760.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-16
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-08-16
AI Technical Summary
The existing transmission housing lubricant oil diversion structure lacks an oil filter structure, which causes impurities in the lubricant to be unable to be effectively filtered, which easily damages the transmission mechanism.
A structure including a transmission flow guide upper housing and an oil filter mechanism is designed. The flow guide upper housing is connected to the external oil inlet pipe through a liquid inlet pipe hole. The oil filter mechanism is composed of an oil filter housing and an oil filter element. The filter element filters impurities in the lubricating oil through the fine pores.
Effectively filter the lubricating oil delivered by the transmission guide structure to prevent impurities from damaging the transmission mechanism of the transmission and improve the overall service life.
Smart Images

Figure CN222992098U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of gearbox housings, and particularly relates to a lubricating oil diversion structure for a gearbox housing. Background Art
[0002] A gearbox housing is a housing structure for installing a transmission mechanism and its accessories. During the rotation of the transmission mechanism, in order to lubricate the transmission mechanism, a diversion structure in the gearbox housing is used to facilitate the lubrication of the internal transmission mechanism.
[0003] When the existing lubricating oil diversion structure of a gearbox housing conveys lubricating oil, it lacks a corresponding oil filtering structure, and the whole cannot effectively filter the input lubricating oil. In this way, when the lubricating oil containing impurities lubricates the transmission mechanism, the transmission mechanism is prone to malfunction and damage.
[0004] Therefore, a new lubricating oil diversion structure for a gearbox housing is proposed to solve the above technical problems. Content of the Utility Model
[0005] The purpose of the utility model is to provide a lubricating oil diversion structure for a gearbox housing to solve the problem that when the existing lubricating oil diversion structure of a gearbox housing conveys lubricating oil, it lacks a corresponding oil filtering structure, and the whole cannot effectively filter the input lubricating oil. In this way, when the lubricating oil containing impurities lubricates the transmission mechanism, the transmission mechanism is prone to malfunction and damage as mentioned in the above background art.
[0006] To achieve the above purpose, the utility model provides the following technical solution: A lubricating oil diversion structure for a gearbox housing, including a lower gearbox diversion housing and a transmission mechanism body. The transmission mechanism body is installed and connected at the middle position inside the lower gearbox diversion housing. A front-end positioning housing is arranged on the lower gearbox diversion housing around the shaft of the transmission mechanism body. Fixed mounting lugs are arranged on both sides of the front end of the lower gearbox diversion housing. A upper gearbox diversion housing is arranged at the upper end of the lower gearbox diversion housing. A gearbox oil filtering mechanism is arranged at the rear end of the upper gearbox diversion housing;
[0007] The upper gearbox diversion housing includes a concave diversion housing, assembly screws, a main flow dividing hole, outer flow dividing holes, flow dividing pipe holes and a liquid inlet pipe hole. Assembly screws are arranged on the inner sides of both ends of the concave diversion housing. A liquid inlet pipe hole is arranged on the inner side of the upper end of the concave diversion housing. Outer flow dividing holes are arranged on both sides inside the concave diversion housing below the liquid inlet pipe hole. A main flow dividing hole is arranged on the inner side of the top end of the concave diversion housing. Flow dividing pipe holes are arranged on the concave diversion housing on both sides of the main flow dividing hole. The concave diversion housing is installed and connected to the lower gearbox diversion housing.
[0008] Among them, the lower transmission guide housing includes a heating rib plate, an internal sleeve cavity, a loop-shaped mounting frame, and an oil drain hole. The internal sleeve cavity is arranged inside the loop-shaped mounting frame. The oil drain holes are arranged on both sides of the lower end of the loop-shaped mounting frame. The heating rib plate is arranged on the inner side of the rear end of the loop-shaped mounting frame. The loop-shaped mounting frame is connected to the concave-shaped guide housing.
[0009] Among them, the front-end positioning cover includes a positioning screw, an internal shaft rod cavity, and a positioning cover housing. The internal shaft rod cavity is arranged in the middle of the positioning cover housing. The positioning screws are arranged on the circumferential side of the positioning cover housing. The positioning cover housing is installed and connected to the lower transmission guide housing through the positioning screws.
[0010] Among them, the transmission oil filter mechanism includes an oil inlet hole cavity, an oil filter element, and an oil filter housing. The oil filter element is arranged inside the oil filter housing. The oil inlet hole cavity is arranged on the inner side of the front end of the oil filter housing. The oil filter housing is connected to the upper transmission guide housing.
[0011] Among them, the transmission oil filter mechanism and the upper transmission guide housing internally form a circulating lubrication guide cavity.
[0012] Among them, the oil drain hole is connected to an external recovery oil pipe.
[0013] Among them, the concave-shaped guide housing is connected to an external inlet oil pipe through a liquid inlet pipe hole.
[0014] In summary, due to the adoption of the above technologies, the beneficial effects of the present utility model are as follows:
[0015] 1. In the present utility model, by setting up the transmission oil filter mechanism structure, the lubricating oil guided and transported by the upper transmission guide housing can be filtered. The oil filter element is installed inside the oil filter housing of the transmission oil filter mechanism. Thus, the oil filter element can effectively filter the impurities in the lubricating oil through the fine holes on the inner side, effectively avoiding the damage of the impurities to the transmission mechanism body, and effectively improving the overall service life. The filtered oil liquid can be correspondingly transported to the corresponding shunt main pipe holes of the concave-shaped guide housing through the area inside the oil filter element. The oil inlet hole cavity is arranged on the inner side of the front end of the oil filter housing, so that the lubricating oil input from the outer shunt holes can be correspondingly received. The oil filter housing is rotatably connected to the upper transmission guide housing, so that it can be correspondingly installed and used.
[0016] 2. In the present utility model, by providing a gearbox diversion upper housing structure, the lubricating oil can be evenly transported. Assembly screws are provided on the inner sides of both ends of the concave diversion housing of the gearbox diversion upper housing. An inlet pipe hole is provided on the inner side of the upper end of the concave diversion housing. Outer diversion holes are provided on both sides inside the concave diversion housing below the inlet pipe hole. A diversion main pipe hole is provided on the inner side of the top end of the concave diversion housing. Diversion pipe holes are provided on the concave diversion housing on both sides of the diversion main pipe hole. The concave diversion housing is installed and connected to the gearbox diversion lower housing. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 is a three-dimensional structural schematic diagram of a lubricating oil diversion structure of a gearbox housing of the present utility model;
[0018] Figure 2 is a structural schematic diagram of the gearbox diversion upper housing structure of a lubricating oil diversion structure of a gearbox housing of the present utility model;
[0019] Figure 3 is a structural schematic diagram of the gearbox diversion lower housing structure of a lubricating oil diversion structure of a gearbox housing of the present utility model;
[0020] Figure 4 is a structural schematic diagram of the front-end positioning cover housing structure of a lubricating oil diversion structure of a gearbox housing of the present utility model;
[0021] Figure 5 is a structural schematic diagram of the gearbox oil filter mechanism structure of a lubricating oil diversion structure of a gearbox housing of the present utility model.
[0022] In the figure: 1. Gearbox diversion lower housing; 11. Heating rib plate; 12. Inner sleeve cavity; 13. Return-shaped mounting frame; 14. Oil drain hole; 2. Gearbox oil filter mechanism; 21. Oil inlet hole cavity; 22. Oil filter element; 23. Oil filter housing; 3. Gearbox diversion upper housing; 31. Concave diversion housing; 32. Assembly screw; 33. Diversion main pipe hole; 34. Outer diversion hole; 35. Diversion pipe hole; 36. Inlet pipe hole; 4. Fixed mounting ear plate; 5. Transmission mechanism body of the transmission; 6. Front-end positioning cover housing; 61. Positioning screw; 62. Inner shaft rod cavity; 63. Positioning cover housing. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0023] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, 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. Apparently, the described embodiments are part of the embodiments of the present utility model, rather than all of them. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the scope of protection of the present utility model. Therefore, the detailed description of the embodiments of the present utility model provided in the accompanying drawings is not intended to limit the scope of the claimed present utility model, but merely represents the selected embodiments of the present utility model.
[0024] Embodiment 1
[0025] Referring to Figure 1 、 Figure 2 and Figure 5 , a lubricating oil diversion structure for a gearbox housing includes a lower gearbox diversion housing 1 and a transmission mechanism body 5 of the transmission. The transmission mechanism body 5 is installed and connected at the middle position inside the lower gearbox diversion housing 1. The lower gearbox diversion housing 1 can effectively wrap the transmission mechanism body 5 for protection. A front-end positioning cover 6 is installed on the circumference of the shaft of the transmission mechanism body 5 on the lower gearbox diversion housing 1. The shaft of the transmission mechanism body 5 can be positioned and rotated through the front-end positioning cover 6 on the lower gearbox diversion housing 1. Fixed mounting lugs 4 are fixedly connected to both sides of the front end of the lower gearbox diversion housing 1, and screws can pass through for installation and connection. A gearbox diversion upper housing 3 is installed on the upper end of the lower gearbox diversion housing 1, and a gearbox oil filter mechanism 2 is installed at the rear end of the gearbox diversion upper housing 3. Thus, the gearbox diversion upper housing 3 can receive external lubricating oil and effectively filter it through the gearbox oil filter mechanism 2, and then the gearbox diversion upper housing 3 can evenly flow and transport the lubricating oil to the transmission mechanism body 5 for lubrication;
[0026] The gearbox diversion upper housing 3 includes a concave diversion housing 31, assembly screws 32, a main flow diversion hole 33, outer flow diversion holes 34, flow diversion pipe holes 35, and a liquid inlet pipe hole 36. Assembly screws 32 are provided on the inner sides of both ends of the concave diversion housing 31. A liquid inlet pipe hole 36 is provided on the inner side of the upper end of the concave diversion housing 31. Outer flow diversion holes 34 are provided on both sides inside the concave diversion housing 31 below the liquid inlet pipe hole 36. A main flow diversion hole 33 is provided on the inner side of the top end of the concave diversion housing 31. Flow diversion pipe holes 35 are provided on the concave diversion housing 31 on both sides of the main flow diversion hole 33. The concave diversion housing 31 is installed and connected to the lower gearbox diversion housing 1;
[0027] The concave diversion housing 31 is connected to an external oil inlet pipe through the liquid inlet pipe hole 36, so as to receive external lubricating oil for use.
[0028] In the present utility model, the transmission oil filter mechanism 2 includes an oil inlet hole cavity 21, an oil filter element 22, and an oil filter housing 23. The oil filter element 22 is installed inside the oil filter housing 23. Thus, the impurities in the lubricating oil can be effectively filtered through the fine holes on the inner side of the oil filter element 22, effectively avoiding the damage of the impurities to the transmission mechanism body 5 of the transmission, so as to effectively improve the overall service life. The filtered oil can be correspondingly transported to the shunt main pipe hole 33 corresponding to the concave-shaped diversion housing 31 through the area inside the oil filter element 22. An oil inlet hole cavity 21 is provided on the inner side of the front end of the oil filter housing 23, so as to correspondingly receive the lubricating oil input from the outer shunt hole 34. The oil filter housing 23 is rotatably connected to the upper transmission diversion housing 3, so that it can be correspondingly installed and used.
[0029] In the present utility model, the transmission oil filter mechanism 2 and the upper transmission diversion housing 3 internally form a circulating lubrication diversion cavity, so that it can be correspondingly filtered and used.
[0030] Embodiment Two
[0031] Refer to Figures 1 - 4 , the lower transmission diversion housing 1 includes a heating rib plate 11, an internal sleeve cavity 12, a return-shaped mounting frame 13, and an oil drain hole 14. An internal sleeve cavity 12 is provided inside the return-shaped mounting frame 13, so that the transmission mechanism body 5 can rotate inside. Oil drain holes 14 are provided on both sides of the lower end of the return-shaped mounting frame 13, so as to facilitate liquid drainage and collection. A heating rib plate 11 is fixedly connected to the inner side of the rear end of the return-shaped mounting frame 13, so as to effectively enhance the overall strength and avoid cracking and damage. The return-shaped mounting frame 13 is correspondingly installed and connected to the concave-shaped diversion housing 31, so that it can be stably placed and used;
[0032] The oil drain hole 14 is connected to an external recovery oil pipe, so as to correspondingly recover the lubricating oil.
[0033] Embodiment Three
[0034] Refer to Figure 1 , Figure 3 and Figure 4 , the front-end positioning cover 6 includes a positioning screw 61, an internal shaft rod cavity 62, and a positioning cover housing 63. An internal shaft rod cavity 62 is provided in the middle of the positioning cover housing 63, so that the shaft rod of the transmission mechanism body 5 can be positioned and rotated. Positioning screws 61 are installed on the periphery of the positioning cover housing 63. The positioning cover housing 63 is installed and connected to the lower transmission diversion housing 1 through the positioning screws 61, so that the positioning cover housing 63 can be correspondingly installed and placed.
[0035] Working principle: When in use, fixed mounting lugs 4 are fixedly connected to both sides of the front end of the lower housing 1 of the gearbox guide. Thus, screws can pass through for installation and connection. The upper housing 3 of the gearbox guide receives external lubricating oil, which can be effectively filtered by the gearbox oil filter mechanism 2. Then, the upper housing 3 of the gearbox guide can evenly flow and transport the lubricating oil to the transmission mechanism body 5 of the transmission for lubrication. The shaft of the transmission mechanism body 5 can be positioned and rotated through the front-end positioning housing 6 on the lower housing 1 of the gearbox guide, making it more stable during rotation.
[0036] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and the inventive concept of the present invention, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present invention.
[0037] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or further includes elements inherent to such process, method, article or device.
Claims
1. A gearbox housing lubricating oil diversion structure, comprising a gearbox diversion lower housing (1) and a transmission transmission mechanism body (5), wherein the transmission transmission mechanism body (5) is mounted and connected at an inner middle position of the gearbox diversion lower housing (1), characterized in that: A front end positioning cover (6) is provided on the transmission flow guide lower housing (1) around the shaft of the transmission transmission mechanism body (5); fixed mounting ear plates (4) are provided on both sides of the front end of the transmission flow guide lower housing (1); a transmission flow guide upper housing (3) is provided at the upper end of the transmission flow guide lower housing (1); and a transmission oil filter mechanism (2) is provided at the rear end of the transmission flow guide upper housing (3); The gearbox flow guide upper shell (3) comprises a concave flow guide shell (31), assembly screws (32), a main flow diversion hole (33), an outer flow diversion hole (34), a flow diversion pipe hole (35) and a liquid inlet pipe hole (36). Assembly screws (32) are provided on the inner sides of both ends of the concave flow guide shell (31). A liquid inlet pipe hole (36) is provided on the inner side of the upper end of the concave flow guide shell (31). The lower side of the liquid inlet pipe hole (36) is provided with outer flow diversion holes (34) on both sides of the concave flow guide shell (31). A main flow diversion hole (33) is provided on the inner side of the top end of the concave flow guide shell (31). Both sides of the main flow diversion hole (33) are provided with flow diversion pipe holes (35) on the concave flow guide shell (31). The concave flow guide shell (31) is mounted and connected to the gearbox flow guide lower shell (1).
2. The gearbox housing lubricating oil guide structure according to claim 1, characterized in that: The gearbox flow guide lower housing (1) comprises a heating rib plate (11), an internal sleeve cavity (12), a return-shaped mounting frame (13) and an oil drain hole (14); the return-shaped mounting frame (13) is provided with an internal sleeve cavity (12); the return-shaped mounting frame (13) is provided with oil drain holes (14) on both sides of the lower end; a heating rib plate (11) is provided on the inner side of the rear end of the return-shaped mounting frame (13); and the return-shaped mounting frame (13) is connected to a concave flow guide housing (31).
3. The gearbox housing lubricating oil guide structure according to claim 1, characterized in that: The front end positioning cover shell (6) comprises a positioning screw (61), an internal shaft cavity (62) and a positioning cover shell (63); the internal shaft cavity (62) is arranged in the middle of the interior of the positioning cover shell (63); positioning screws (61) are arranged on the peripheral side of the positioning cover shell (63); the positioning cover shell (63) is mounted and connected to the gearbox guide lower shell (1) via the positioning screws (61).
4. The gearbox housing lubricating oil guide structure according to claim 1, characterized in that: The gearbox oil filter mechanism (2) comprises an oil inlet cavity (21), an oil filter element (22) and an oil filter housing (23); the oil filter element (22) is arranged inside the oil filter housing (23); the oil inlet cavity (21) is arranged on the inner side of the front end of the oil filter housing (23); and the oil filter housing (23) is connected to the gearbox flow guide upper housing (3).
5. The gearbox housing lubricating oil guide structure according to claim 4, characterized in that: The transmission oil filter mechanism (2) and the transmission flow guide upper shell (3) form a circulating lubrication flow guide chamber.
6. The gearbox housing lubricating oil guide structure according to claim 2, characterized in that: The oil drain hole (14) is connected to an external oil recovery pipe.
7. The gearbox housing lubricating oil guide structure according to claim 1, characterized in that: The concave flow guide housing (31) is connected to an external oil inlet pipe via a liquid inlet pipe hole (36).