CN210034363U - Lubricating oil circuit device for automobile transmission shell - Google Patents
Lubricating oil circuit device for automobile transmission shell Download PDFInfo
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- CN210034363U CN210034363U CN201920455354.3U CN201920455354U CN210034363U CN 210034363 U CN210034363 U CN 210034363U CN 201920455354 U CN201920455354 U CN 201920455354U CN 210034363 U CN210034363 U CN 210034363U
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Abstract
The utility model discloses an automobile transmission shell lubricating oil circuit device, wherein a bearing chamber is arranged in a transmission shell, and a bearing seat which is positioned in the bearing chamber and is integrally formed with the transmission shell is arranged in the transmission shell; an oil delivery groove which is integrally formed with the transmission shell is formed in the inner wall surface of the transmission shell and receives lubricating oil splashed in the transmission shell; the transmission shell is also provided with a convex part which is integrally formed with the transmission shell, and the convex part is positioned on one side of the oil conveying groove and extends along the extending direction of the oil conveying groove; the bearing seat is provided with a notch for lubricating oil to flow into the bearing chamber, the notch is arranged along the radial direction of the bearing seat, and one end of the notch is communicated with the output end of the oil conveying groove; the inner wall surface of the transmission shell is also provided with an oil guide assembly integrally formed with the transmission shell, the oil guide assembly is positioned in the bearing chamber, and the support seat surrounds the oil guide assembly. The utility model has the characteristics of can reduce and occupy the derailleur inner space.
Description
Technical Field
The utility model relates to a derailleur technical field, concretely relates to lubricated oil circuit device of automotive transmission casing.
Background
Along with the increasingly intense competition of the automobile industry brought by the popularization of automobiles, the requirements of each whole automobile enterprise on low cost and high performance of automobile parts are more and more strict; as one of the core parts of an automobile, an automobile transmission is required to have not only excellent performance but also low cost, so that it can be used as a place for intense competition.
The speed changer is used as a power output and conversion part, has high requirements on the lubrication of all internal systems, most of the speed changers are designed with independent oil conveying grooves at present, when the speed changers operate, the lubricating oil is driven to splash through the rotation of gears, the splashed lubricating oil flows into the oil conveying grooves by gravity, and the lubricating oil flows into bearings needing lubrication through the oil conveying grooves.
The existing lubricating oil path device is composed of an oil conveying groove fixed on a transmission shell through bolts, when an internal gear operates, lubricating oil is stirred by the gear and thrown on the inner wall of the shell, then flows into the oil conveying groove through gravity, and because the oil conveying groove is obliquely installed, the lubricating oil can flow into a bearing chamber along the extending direction of the oil conveying groove to play a role in lubrication.
The existing lubrication scheme needs to design a special oil conveying groove, an oil conveying groove mounting point is designed on a shell, and the oil conveying groove mounting point needs to be fixed by bolts, so that the oil conveying device has the following defects: 1) the oil delivery groove occupies a part of space, so that the arrangement of parts in the transmission is more crowded; 2) the oil conveying groove, the bolt and other parts are added, so that the design cost is increased; 3) the production takt is reduced.
Disclosure of Invention
An object of the utility model is to provide a lubricated oil circuit device of automotive transmission casing, the utility model has the characteristics of can reduce to occupy the derailleur inner space.
The technical scheme for realizing the purpose is as follows:
the lubricating oil circuit device of the automobile transmission shell comprises a transmission shell, wherein a bearing chamber is arranged in the transmission shell, and a supporting seat which is positioned in the bearing chamber and integrally formed with the transmission shell is arranged in the transmission shell;
an oil delivery groove which is integrally formed with the transmission shell is formed in the inner wall surface of the transmission shell and receives lubricating oil splashed in the transmission shell; the transmission shell is also provided with a convex part which is integrally formed with the transmission shell, and the convex part is positioned on one side of the oil conveying groove and extends along the extending direction of the oil conveying groove;
the bearing seat is provided with a notch for lubricating oil to flow into the bearing chamber, the notch is arranged along the radial direction of the bearing seat, and one end of the notch is communicated with the output end of the oil conveying groove;
the inner wall surface of the transmission shell is also provided with an oil guide assembly integrally formed with the transmission shell, the oil guide assembly is positioned in the bearing chamber, and the support seat surrounds the oil guide assembly.
Further, the oil conveying groove comprises a first oil groove and a second oil groove, one end of the first oil groove is connected with one end of the second oil groove, an included angle is formed between one end of the first oil groove and one end of the second oil groove, and the included angle is an obtuse angle.
Further, lead oily subassembly and include:
an introducing member for introducing the lubricating oil into the inner bore of the rotating shaft, one end of the introducing member being disposed on an inner wall surface of the transmission case, and the other end of the introducing member being a free end extending into the inner bore of the rotating shaft; and
and a guide member provided on an inner wall surface of the transmission case, one end of the guide member being connected to an inner wall surface of the support base, the other end of the guide member being provided on a peripheral surface of the introduction member, the guide member guiding a part of the lubricating oil flowing out of the notch to the introduction member.
Further, the introduction part includes an introduction body provided with an oil delivery passage.
Further, the leading-in body comprises a split ring with an opening on the peripheral surface, and the opening on the split ring extends along the axial direction of the leading-in body.
Furthermore, the opening of the split ring corresponds to the notch on the supporting seat.
Further, the guide member includes a bar-like member.
Further, the height of the strip-shaped member is 3 to 4 mm.
Further, the guiding body comprises an open ring with an opening on the peripheral surface, the guiding component comprises a guiding body with a U-shaped section, a shunting port for shunting the lubricating oil into the bearing chamber is arranged on the side part of the guiding body, and one end of the guiding body is matched with the opening on the open ring.
The utility model has the advantages that: the oil conveying groove is integrally designed on the inner wall surface of the transmission shell, namely the oil conveying groove and the transmission shell are formed in one step during casting, so that the independent oil conveying groove is omitted, parts such as an independent oil conveying groove and mounting bolts are omitted, the step of mounting the oil conveying groove is omitted, the inner space is saved, and the design cost is reduced. In addition, oil delivery groove and gearbox housing integrated into one piece back have reduced original oil delivery groove and have taken gearbox housing inner space's defect, promptly the utility model provides an oil delivery groove can not take gearbox housing inner space to make gearbox housing inner space obtain reasonable the application.
Drawings
Fig. 1 is a schematic diagram of an external structure of a transmission according to the present invention;
FIG. 2 is a schematic structural view of the internal structure of the transmission housing of the present invention;
FIG. 3 is a partial cross-sectional view taken along line A-A of FIG. 1;
FIG. 4 is an enlarged view of the bearing housing and the first oil guide assembly of the present invention;
FIG. 5 is a schematic view of a second lead-in member according to the present invention;
FIG. 6 is a schematic view of a second guide member of the present invention;
FIG. 7 is a schematic view of a third guide member of the present invention;
FIG. 8 is a schematic view of a fourth guide member of the present invention;
reference in the drawings of the specification:
the transmission comprises a transmission shell 1, a first oil groove 1a, a second oil groove 1b, a boss 1c, a bearing chamber 2, a supporting seat 3, a notch 4, a lead-in part 5, an open ring 50, an opening 51, an oil delivery channel 52, a guide part 6, a guide body 60, a flow dividing port 61 and an overflow port 62.
A is a rotating shaft, and B is a bearing assembly.
Detailed Description
As shown in fig. 1 and 2, the lubricating oil path device for the automobile transmission shell comprises a transmission shell 1, wherein an oil delivery groove which is integrally formed with the transmission shell is arranged on the inner wall surface of the transmission shell 1, and receives lubricating oil splashed in a transmission body; the oil conveying groove comprises a first oil groove 1a and a second oil groove 1b, one end of the first oil groove 1a is connected with one end of the second oil groove 1b, an included angle is formed between one end of the first oil groove 1a and one end of the second oil groove 1b, the included angle is an obtuse angle, and 115 degrees are preferably selected for use as the degree of the obtuse angle. The transmission case 1 is further provided with a protruding portion 1c integrally formed with the transmission case 1, and the protruding portion 1c is located on one side of the oil feeding groove and extends along the extending direction of the oil feeding groove. The protrusion 1c extends along the extending direction of the first oil groove 1 a. The first oil groove 1a and the second oil groove 1b with oil guiding function are designed on the inner wall near the bearing hole of the shell, obviously, the first oil groove 1a and the second oil groove 1b are inclined relative to the axial direction with the transmission shell 1, when the gear inside the transmission rotates, the lubricating oil is stirred and drives the lubricating oil to splash onto the inner wall of the transmission shell 1, then flows into the first oil groove 1a of the shell along the direction shown by the arrow in fig. 2 under the action of gravity, and because the first oil groove 1a has an inclined angle, the lubricating oil sequentially flows into the second oil groove 1b and the bearing chamber 2 along the direction shown by the arrow, thereby lubricating the bearing.
As shown in fig. 1 to 4, a bearing chamber 2 is provided in the transmission case 1, and a support seat 3 which is located in the bearing chamber 2 and is integrally formed with the transmission case 1 is provided in the transmission case 1; the bearing block 3 is provided with a notch 4 for lubricating oil to flow into the bearing chamber, and the notch 4 is arranged along the radial direction of the bearing block 3. One end of the gap 4 communicates with the output end of the oil supply groove, and in one or more embodiments, one end of the gap 4 communicates with the other end of the second oil groove 1b, so that the lubricating oil introduced into the oil supply groove can flow into the bearing chamber 2 through the gap 4.
Be equipped with on the inner wall face of derailleur housing 1 and lead oily subassembly with this derailleur housing 1 integrated into one piece, derailleur housing 1 with lead oily subassembly and adopt the whole die-casting shaping of aluminum product, then form through machining again, this kind leads oily structure and has not only optimized the assembling process, has solved the assembly difficulty problem, has improved production efficiency moreover, the cost is reduced.
The oil guide assembly is located in the bearing chamber 2, and the bearing block 3 surrounds the oil guide assembly, which includes a guide member 5 and a guide member 6. The introduction member 5 introduces the lubricating oil into the bore of the rotating shaft a, one end of the introduction member 5 is provided on the inner wall surface of the transmission case 1, and the other end of the introduction member 5 is a free end extending into the rotating shaft bore. The height of the introduction member 5 is greater than the height of the support base 3.
The lead-in part 5 comprises a lead-in body provided with an oil delivery channel 52. The lead-in body comprises a split ring 50 with an opening 51 on the periphery, and the opening 51 on the split ring 50 extends along the axial direction of the lead-in body, so that the opening 51 penetrates through the two axial end parts of the split ring. The opening 51 of the split ring 50 corresponds to the notch 4 of the support block 3. The cross-section of split ring 50 is the arc, has set up opening 51 on split ring 50 after, and the radian of split ring 50 preferably chooses 180 degrees, consequently, split ring 50 is the semicircle ring.
The guide member 6 is provided on the inner wall surface of the transmission case 1, one end of the guide member 6 is connected to the inner wall surface of the support base 3, the other end of the guide member 6 is provided on the circumferential surface of the introduction member 5, and the guide member 6 guides a part of the lubricating oil flowing out from the notch 4 to the introduction member 5. With this configuration, when the lubricant oil flows out of the notch 4, a part of the lubricant oil flows along the guide member 6 to the introduction member 5, and a part of the lubricant oil is introduced into the introduction member 5.
The guide member 6 comprises a strip-like member having a height of 3 to 4 mm. The height of the guide member 6 is equal to or less than the height of the bearing seat 3, preferably, the height of the guide member 6 is less than the height of the bearing seat 3, and when the lubricating oil flowing out of the notch 4 enters the bearing chamber 2, a part of the lubricating oil is introduced into the introduction member 5, a part of the lubricating oil enters the bearing chamber 2 from one side of the guide member 6, and a part of the lubricating oil passes over the guide member 6 to the other side of the guide member 6, so that the lubricating oil can be quickly filled into the bearing chamber 2, and the bearing chamber 2 is uniformly dispersed, and the bearing assembly mounted in the bearing chamber 2 is lubricated. If the height of the guide member 6 is equal to the height of the bearing seat 3, the gap between the bearing assemblies of the guide member 6 is too small to easily pass over the guide member 6, and therefore, the lubricating oil is not uniformly dispersed in the bearing chamber 2, and the lubrication of the bearing assemblies is not uniform.
The utility model provides a lead oily subassembly and 1 integrated into one piece back of gearbox housing, not only guide lubricating oil to pivot A's hole in, still make the intensity of 2 departments of bearing room on the gearbox housing 1 obtain the promotion. When the shafting assembly is assembled, the leading-in part in the oil guide assembly directly extends into the inner hole of the rotating shaft, so that the position of the leading-in part is not required to be aligned during assembly, the assembly process is optimized, the problem of difficult assembly is solved, the production efficiency is improved, and the cost is reduced. The oil guide component integrated with the transmission shell is made of metal materials, so that the oil guide component is not aged and deformed, and the guide-in component is not abutted against the rotating shaft, so that the guide-in component is not damaged in the using process.
The present invention is not limited to the above-described embodiments, and, for example,
(a) the guiding body comprises a split ring 50 with an opening 51 on the peripheral surface, the guiding component 6 comprises a guiding body 60 with a U-shaped cross section, a shunt opening 61 for shunting the lubricating oil into the bearing chamber is arranged on the side of the guiding body 60, and one end of the guiding body 61 is matched with the opening 51 on the split ring 50. In this embodiment, the split ring 50 is cylindrical as a whole, and the split ring 50 is provided with the opening 51 at a part of the circumferential surface thereof, that is, the opening 51 does not penetrate through both axial end portions of the split ring 50.
(b) The guiding body comprises a split ring 50 with an opening 51 on the periphery, the guiding part 6 comprises a guiding body 60 with an L-shaped section, the top of the guiding body 60 is provided with an overflow port 62, and one end of the guiding body 60 is matched with the opening 51 on the split ring 50. A portion of the lubricating oil overflows into the bearing chamber through the overflow port 62. In this embodiment, the split ring 50 is cylindrical as a whole, and a part of the circumferential surface of the split ring 50 is provided with the opening 51, that is, the opening 51 does not penetrate through both axial end portions of the split ring 50.
(c) The guiding body comprises a split ring 50 with an opening 51 on the peripheral surface, the guiding component 6 comprises a guiding body 60 with a U-shaped section, a shunting port 61 for shunting the lubricating oil into the bearing chamber is arranged on the side part of the guiding body 60, an overflow port 62 is arranged on the top part of the guiding body 60, and one end of the guiding body 61 is matched with the opening 51 on the split ring 50. In this embodiment, the split ring 50 is cylindrical as a whole, and a part of the circumferential surface of the split ring 50 is provided with the opening 51, that is, the opening 51 does not penetrate through both axial end portions of the split ring 50.
In addition, the cross section of the guide body 60 can be a C shape, and the circumferential surface of the guide body 60 with the shape is provided with a flow dividing port 61 and/or an overflow port 62 for lubricating oil to flow out.
Claims (9)
1. Lubricated oil circuit device of automotive transmission casing, including gearbox housing, be equipped with the bearing room in the gearbox housing, be equipped with in the gearbox housing be located the bearing room and with the bearing of gearbox housing integrated into one piece, its characterized in that:
an oil delivery groove which is integrally formed with the transmission shell is formed in the inner wall surface of the transmission shell and receives lubricating oil splashed in the transmission shell; the transmission shell is also provided with a convex part which is integrally formed with the transmission shell, and the convex part is positioned on one side of the oil conveying groove and extends along the extending direction of the oil conveying groove;
the bearing seat is provided with a notch for lubricating oil to flow into the bearing chamber, the notch is arranged along the radial direction of the bearing seat, and one end of the notch is communicated with the output end of the oil conveying groove;
the inner wall surface of the transmission shell is also provided with an oil guide assembly integrally formed with the transmission shell, the oil guide assembly is positioned in the bearing chamber, and the support seat surrounds the oil guide assembly.
2. The oil supply groove of claim 1, wherein the oil supply groove includes a first oil groove and a second oil groove, one end of the first oil groove is connected to one end of the second oil groove, and an included angle is formed between one end of the first oil groove and one end of the second oil groove, and the included angle is an obtuse angle.
3. The automotive transmission case lubricating oil passage device according to claim 1 or 2, characterized in that the oil guide assembly includes:
an introducing member for introducing the lubricating oil into the inner bore of the rotating shaft, one end of the introducing member being disposed on an inner wall surface of the transmission case, and the other end of the introducing member being a free end extending into the inner bore of the rotating shaft; and
and a guide member provided on an inner wall surface of the transmission case, one end of the guide member being connected to an inner wall surface of the support base, the other end of the guide member being provided on a peripheral surface of the introduction member, the guide member guiding a part of the lubricating oil flowing out of the notch to the introduction member.
4. The automotive transmission case lubricating oil passage device according to claim 3, characterized in that: the lead-in part comprises a lead-in body provided with an oil delivery channel.
5. The automotive transmission case lubricating oil passage device according to claim 4, characterized in that: the leading-in body includes that the peripheral surface is equipped with the split ring of split, and the opening on the split ring extends along the axial of leading-in body.
6. The automotive transmission case lubricating oil passage device according to claim 5, characterized in that: the opening of the split ring corresponds to the notch on the supporting seat.
7. The automotive transmission case lubricating oil passage device according to claim 3, characterized in that: the guide member includes a bar member.
8. The automotive transmission case lubricating oil passage device according to claim 7, characterized in that: the height of the strip-shaped part is 3 to 4 mm.
9. The automotive transmission case lubricating oil passage device according to claim 4, characterized in that: the guiding part comprises a guiding body with a U-shaped section, a shunting port for shunting lubricating oil into the bearing chamber is arranged on the side part of the guiding body, and one end of the guiding body is matched with the opening on the split ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920455354.3U CN210034363U (en) | 2019-04-04 | 2019-04-04 | Lubricating oil circuit device for automobile transmission shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920455354.3U CN210034363U (en) | 2019-04-04 | 2019-04-04 | Lubricating oil circuit device for automobile transmission shell |
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| Publication Number | Publication Date |
|---|---|
| CN210034363U true CN210034363U (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920455354.3U Active CN210034363U (en) | 2019-04-04 | 2019-04-04 | Lubricating oil circuit device for automobile transmission shell |
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| CN (1) | CN210034363U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067849A (en) * | 2019-04-04 | 2019-07-30 | 重庆青山工业有限责任公司 | Automobile speed variator lubricant oil road structure |
-
2019
- 2019-04-04 CN CN201920455354.3U patent/CN210034363U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067849A (en) * | 2019-04-04 | 2019-07-30 | 重庆青山工业有限责任公司 | Automobile speed variator lubricant oil road structure |
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