Gearbox oil pan

Abstract

The utility model relates to the technical field of gearbox accessories, in particular to a gearbox oil pan which comprises an oil pan body, a blocking slope is arranged on a cross section protrusion in the middle of the oil pan body, and the blocking slope divides the interior of the oil pan body into an oil inlet area and an oil filtering area which are independent of each other. The two ends, in the length direction, of the blocking slope gradually protrude towards the middle, an oil passing channel is formed in the middle, in the length direction, of the blocking slope, the two ends of the oil passing channel communicate with an oil inlet area and an oil filtering area correspondingly, and the portion, located below the blocking slope, of the oil passing channel is lower than the two ends of all the oil passing channels. And the height is lower than the height of the bottoms of the oil inlet area and the oil filtering area. According to the gearbox oil pan, function division is achieved, and the overall strength is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to gearbox accessory technical field, concretely relates to a gearbox oil sump. BACKGROUND

[0002] The oil sump at the bottom of the vehicle gearbox is mainly used for sealing the bottom of the gearbox body to form a closed space to ensure that the internal electric control parts of the gearbox can operate safely. In addition to being used for sealing, the gearbox oil sump is generally also used for installing a filtering device for filtering the gearbox lubricating oil in the gearbox. For example, the patent with the publication number CN 203717868 U discloses an oil filter device installed at the bottom of an automatic gearbox. In order to facilitate the installation of the oil filter shell, a recessed area is formed on the bottom shell seat, and the inlet end of the entire recessed area also extends outward, so that the entire bottom shell seat cannot be partitioned. In addition to being not conducive to oil inlet and outlet, impurities in the oil product are also prone to depositing on the oil filter shell. At the same time, the span between the recessed area and the inlet end is large, which leads to poor overall strength of the bottom shell seat. SUMMARY

[0003] In order to overcome one of the deficiencies of the prior art, the purpose of the utility model is to provide a gearbox oil sump. The gearbox oil sump realizes functional partitioning and has guaranteed overall strength.

[0004] To solve the above problems, the technical scheme adopted by the utility model is as follows:

[0005] A gearbox oil sump includes an oil sump body. A middle part of the oil sump body is provided with a blocking slope. The blocking slope separates the inside of the oil sump body into an oil inlet area and an oil filter area which are independent of each other. The two ends of the blocking slope along the length direction gradually rise towards the middle part. An oil passage is arranged at the middle part of the blocking slope along the length direction. The two ends of the oil passage are respectively connected to the oil inlet area and the oil filter area. The height of the area below the blocking slope where the oil passage is located is lower than the height of the two ends of the oil passage and also lower than the height of the bottom of the oil inlet area and the oil filter area.

[0006] Further, mounting ring tables for mounting oil filter mechanisms are arranged at the upper end openings of the oil filter area and the oil inlet area.

[0007] Further, accommodating ring grooves are arranged at the outer periphery of the oil inlet area at the mounting ring tables.

[0008] Further, a plurality of supporting blocks are arranged in the oil passage. All the supporting blocks divide the oil passage into a plurality of holes.

[0009] Further, all the support blocks located on one side of the oil filtering area are provided with reinforcing rib blocks, which gradually extend into the oil filtering area and smoothly transition with the bottom of the oil passing channel.

[0010] Further, all the support blocks located on one side of the oil filtering area are provided with reinforcing rib blocks, which gradually extend into the oil filtering area and smoothly transition with the bottom of the oil passing channel.

[0011] Further, the oil filtering area is recessed with flow guide grooves on both sides in the flow direction of the oil passing channel, the two outward ends of the flow guide grooves extend to both sides of the oil filtering area, and the bottom of the oil filtering area gradually transitions to the flow guide grooves away from the two sides of the flow guide grooves.

[0012] Further, the oil filtering area is recessed with flow guide grooves on both sides in the flow direction of the oil passing channel, the two outward ends of the flow guide grooves extend to both sides of the oil filtering area, and the bottom of the oil filtering area gradually transitions to the flow guide grooves away from the two sides of the flow guide grooves.

[0013] Further, the oil filtering area is recessed with flow guide grooves on both sides in the flow direction of the oil passing channel, the two outward ends of the flow guide grooves extend to both sides of the oil filtering area, and the bottom of the oil filtering area gradually transitions to the flow guide grooves away from the two sides of the flow guide grooves.

[0014] Further, the oil filtering area is recessed with flow guide grooves on both sides in the flow direction of the oil passing channel, the two outward ends of the flow guide grooves extend to both sides of the oil filtering area, and the bottom of the oil filtering area gradually transitions to the flow guide grooves away from the two sides of the flow guide grooves.

[0015] Compared with the prior art, the beneficial effects of the present application are as follows:

[0016] The oil pan of the present application has a blocking slope in the middle part, which can enhance the strength of the middle part of the oil pan body, and the blocking slope can divide the oil pan body into functional areas, which is conducive to the installation of the oil inlet and outlet and the oil filtering mechanism. The blocking slope also spans the oil passing channel, which can enhance the strength of the area where the oil passing channel is located. In addition, the two ends of the oil passing channel are connected to the oil inlet area and the oil filtering area respectively, which realizes the oil path connection between the two functional areas. The lowest area of the oil passing channel is below the blocking slope, which can store oil and precipitate impurities entering the oil filtering area, which is conducive to the later treatment.

[0017] The present application will be further described in detail below in conjunction with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic diagram of an embodiment of the present application;

[0019] Figure 2 is a top view of an embodiment of the present application;

[0020] Figure 3 is Figure 2 is a sectional view along direction A-A;

[0021] Figure 4 is Figure 2A sectional view along the direction of B-B.

[0022] BRIEF DESCRIPTION OF DRAWINGS

[0023] Oil sump body 10, barrier slope 11, oil inlet area 12, oil filter area 13, oil passage 14, mounting ring table 15, containing ring groove 16, support block 17, hole 18, reinforced rib 19, flow guide groove 1a, support column 1b, positioning column 1c, oil drain valve 1d, mounting along 1e, mounting hole 1f, sealing along 1g. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0025] Referring to Figures 1 to 4 The oil sump shown in the drawing includes an oil sump body 10, the middle part of the oil sump body 10 is provided with a barrier slope 11, the barrier slope 11 separates the inside of the oil sump body 10 into an oil inlet area 12 and an oil filter area 13 which are independent of each other, the two ends of the barrier slope 11 along the length direction gradually rise to the middle part, the middle part of the barrier slope 11 along the length direction is provided with an oil passage 14, the two ends of the oil passage 14 are communicated with the oil inlet area 12 and the oil filter area 13 respectively, the height of the area below the barrier slope 11 is lower than the height of the two ends of all the oil passages 14, and is also lower than the height of the bottom of the oil inlet area 12 and the oil filter area 13.

[0026] Among them, the oil sump body 10 is integrally formed, the back surface is provided with a plurality of reinforced ribs, the whole oil sump body 10 is in the form of a cover, and in the actual installation process, it is buckled on the bottom of the gearbox. In the above embodiment, the side of the oil inlet area 12 away from the oil filter area 13 is relatively high during normal installation, so that the lubricating oil in this area can automatically flow into the oil filter mechanism at the inlet end of the oil passage 14 for filtration. In actual use, the entire oil sump body 10 may be filled with lubricating oil, and such design is mainly to facilitate the automatic flow of heavy substances in the lubricating oil, such as impurities, to the area where the inlet end of the oil passage 14 is located, for easy cleaning in the later period.

[0027] In one embodiment, the oil sump body 10 is provided with a mounting edge 1e, and a plurality of mounting holes 1f are arranged on the mounting edge 1e. The inner side of the mounting edge 1e is provided with a sealing edge 1g. The mounting edge 1e forms a ring structure, and the sealing edge 1g is buckled on the inner side of the bottom of the gearbox in the later stage. The mounting edge 1e is also provided with a sealing groove for mounting a sealing ring. In the later installation process, the worker can fix it on the gearbox by screwing through the mounting hole 1f.

[0028] The oil sump of the gearbox is provided with a blocking slope 11 in the middle transverse protrusion. Such a structure design can enhance the strength of the middle part of the entire oil sump body 10. At the same time, the blocking slope 11 divides the function of the oil sump body 10 into zones, which is beneficial to realize oil inlet and outlet and installation of the oil filter mechanism. At the same time, the blocking slope 11 spans the oil passage 14, which can enhance the strength of the area where the oil passage 14 is located. In addition, the two ends of the oil passage 14 are respectively connected to the oil inlet area 12 and the oil filter area 13, realizing the oil passage connection between the two functional areas. The oil passage 14 located in the area below the blocking slope 11 is the lowest in height, which can realize oil storage and sedimentation of impurities entering the oil filter area 13, which is beneficial to the later treatment.

[0029] Referring to Figures 1 to 3 In one embodiment of the present application, the upper end openings of the oil filter area 13 and the oil inlet area 12 are provided with a mounting ring 15 for mounting the oil filter mechanism. In the actual installation process, the oil filter mechanism is buckled on the mounting ring 15. In fact, this structure is also a conventional design, so this application will not be described in detail. Of course, the technical solution of the patent CN 203717868 U - a bottom sump oil filter device mounted on the bottom of the automatic gearbox can also be used, and the prior art disclosed in the background art of the patent can also be used.

[0030] In addition, in one embodiment of the present application, the oil inlet area 12 is provided with a containing ring groove 16 outside the mounting ring 15. The purpose is to facilitate the natural sedimentation of impurities in the oil inlet area 12 in the containing ring groove 16, which is beneficial to the later cleaning. At the same time, this design also provides a space for the installation of the oil filter mechanism. The containing ring groove 16 is actually recessed, and its structure cooperates with the mounting ring 15 to increase the strength of the bottom of the entire oil sump body 10.

[0031] In the above embodiment, in order to facilitate the installation of the oil filtering mechanism, a plurality of support columns 1b and positioning columns 1c are arranged in the oil filtering area 13, and in the actual installation process, the support columns 1b and the positioning columns 1c both play a role in supporting the oil filtering mechanism, and the positioning columns 1c also play a role in positioning, thereby avoiding inaccurate installation of the oil filtering mechanism during the installation process. In addition, in an embodiment of the present application, an oil discharge valve 1d is arranged on the oil inlet area 12, and in fact, the oil discharge valve 1d is arranged on one end of the oil inlet area 12 close to the accommodating ring groove 16.

[0032] Referring to Figure 2 and Figure 3 , in an embodiment of the present application, in order to ensure the oil passing amount and the overall strength, a plurality of support blocks 17 are arranged in the oil passing channel 14, and all the support blocks 17 divide the oil passing channel 14 into a plurality of holes 18. Both ends of the oil passing channel 14 are open, thereby facilitating oil inlet and outlet.

[0033] In the above improved embodiment, in order to make the area where the oil filtering area 13 is located have sufficient strength, the reinforcing rib blocks 19 are arranged on one side of the oil filtering area 13 where all the support blocks 17 are located, the reinforcing rib blocks 19 gradually extend into the oil filtering area 13 and smoothly transition with the bottom of the oil passing channel 14. In fact, the reinforcing rib blocks 19 extend into one side of the oil filtering area 13 by a length exceeding one fifth of the oil filtering area 13 in the extension direction of the reinforcing rib blocks 19.

[0034] In an embodiment, in order to facilitate oil passing and reduce resistance, the edges of one end of the oil inlet area 12 where all the support blocks 17 are located are all provided with smooth chamfers.

[0035] Referring again to Figure 1 , in order to make the impurities or lubricating oil in the oil filtering area 13 automatically flow into the oil passing channel 14, so that the entire oil sump body 10 can later discharge the transmission lubricating oil outward through the oil discharge valve 1d, the oil filtering area 13 is recessed with flow guide grooves 1a on both sides in the flow direction of the oil passing channel 14, both the flow guide grooves 1a extend to both sides of the oil filtering area 13 at one end thereof, and the bottom of the oil filtering area 13 gradually transitions to the flow guide grooves 1a away from both sides of the flow guide grooves 1a. In addition, the flow guide grooves 1a are designed as a whole downward protrusion, thereby facilitating the increase of the strength of the area where the oil filtering area 13 is located.

[0036] The above embodiments are only preferred embodiments of the present application, and cannot be used to limit the scope of protection of the present application. Any non-essential changes and replacements made by those skilled in the art on the basis of the present application all belong to the scope of protection required by the present application.

Claims

1. A gearbox sump, characterized in that, The oil pan body is provided with a middle transverse protrusion, which is provided with a blocking slope separating the inner part of the oil pan body into an oil inlet area and an oil filter area, the two ends of the blocking slope gradually rise to the middle part, the middle part of the blocking slope is provided with an oil passage, the two ends of the oil passage are communicated with the oil inlet area and the oil filter area respectively, the height of the area below the blocking slope is lower than the height of the two ends of the oil passage and the bottom of the oil inlet area and the oil filter area.

2. A gearbox sump as claimed in claim 1, characterised in that: The upper end of the oil filter area and the oil inlet area is provided with a mounting ring for mounting the oil filter mechanism.

3. A gearbox sump as claimed in claim 2, characterised in that: The outer periphery of the oil inlet area is provided with a containing ring groove.

4. A gearbox sump as claimed in claim 1, wherein: The oil passage is provided with a plurality of support blocks, and all the support blocks divide the oil passage into a plurality of holes.

5. A gearbox sump as claimed in claim 4, characterised in that: All the support blocks on one side of the oil filter area are provided with reinforcing ribs, which gradually extend into the oil filter area and smoothly transition with the bottom of the oil passage.

6. A gearbox sump as claimed in claim 5, characterised in that: The edges of all the support blocks on one end of the oil inlet area are provided with smooth chamfers.

7. A gearbox sump as claimed in claim 1, wherein: The oil filter area is recessed on both sides of the oil passage in the flow direction and is provided with a flow guide groove, the two flow guide grooves extend to the two sides of the oil filter area, and the bottom of the oil filter area far from the two sides of the flow guide groove gradually transitions to the flow guide groove.

8. A gearbox sump according to any one of claims 1 to 6, wherein: The oil filter area is provided with a plurality of support columns and positioning columns.

9. A gearbox sump as claimed in claim 1, wherein: The oil inlet area is provided with an oil discharge valve.

10. A gearbox sump as claimed in claim 1, wherein: The oil pan body is provided with a mounting edge, the mounting edge is provided with a plurality of mounting holes, and the inner side of the mounting edge is provided with a sealing edge.

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