CN211778835U - Novel differential mechanism shell structure - Google Patents
Novel differential mechanism shell structure Download PDFInfo
- Publication number
- CN211778835U CN211778835U CN202020442773.6U CN202020442773U CN211778835U CN 211778835 U CN211778835 U CN 211778835U CN 202020442773 U CN202020442773 U CN 202020442773U CN 211778835 U CN211778835 U CN 211778835U
- Authority
- CN
- China
- Prior art keywords
- oil
- bearing bracket
- differential
- casing body
- ribs
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- General Details Of Gearings (AREA)
Abstract
The utility model provides a novel differential mechanism shell structure, including coaxial and integrative retainer plate, casing body and the bearing bracket installation section from back to front, the retainer plate is vertical to be set up and has seted up a plurality of evenly distributed round holes, the casing body is the round platform form that the diameter of front end is little and the diameter of rear end is big, the bearing bracket installation section is the cylindric that the front end is thin and the rear end is thick, the diameter of bearing bracket installation section rear side is less than the diameter of casing body front side, the front side of casing body is seted up a plurality of evenly distributed's oilhole, the left and right sides of oilhole is respectively symmetrical and integrative to be provided with the strengthening rib, wherein lie in the perpendicular and integrative oil guide rib that is provided with on the left strengthening rib of oilhole, therefore, the utility model has the advantages of being convenient for lubricating oil smoothly get into differential mechanism, guaranteeing that lubricating oil can be continuous to get into differential mechanism inside at high-, the advantage of guaranteeing the sufficient lubrication of the internal parts of the differential is achieved.
Description
Technical Field
The utility model belongs to the technical field of the commercial car drive, in particular to novel differential mechanism shell structure.
Background
The automobile differential is an important component of an automobile drive axle assembly, and has the main function of realizing that the wheels at the left side and the right side can rotate at corresponding different rotating speeds when the automobile runs on a turn or an uneven road, so that the requirement of the automobile driving kinematics is met. The most widely used commercial vehicle drive axle is a symmetrical conical planetary gear differential which comprises a differential shell, a cross shaft, a planetary gear, a half axle gear, a planetary gear gasket, a half axle gear gasket and other parts. The number of the internal parts of the differential is relatively large, and especially when a vehicle runs forwards at full load and high speed, if the lubrication inside the differential is insufficient, the internal parts of the differential are abnormally abraded and even sintered, and the like, so that the service life of the differential and the normal running of the vehicle are seriously influenced. Therefore, how to ensure sufficient lubrication of internal components of the differential, ensure normal performance of the differential function, and improve the reliability of the differential has become a new subject of the differential structure research.
The current technical situation in China: from the perspective of differential lubrication, the current differential structure mainly has two types, one type is a closed structure, and the differential with the structure is difficult to enter lubricating oil inside an axle package when a whole vehicle starts to run, so that the lubricating oil needs to be injected into the differential in advance in the axle assembly process, and the assembly and the transportation of axles are inconvenient, so that the structure is less applied domestically; the other type is an open type structure, the differential shell is provided with an oil passing hole, the inside of the differential is communicated with the inside of the axle packet, and when the whole vehicle starts to run, lubricating oil can enter the inside of the differential, so that the lubricating oil does not need to be filled in advance.
However, for the open structure, when the differential rotates at a high speed, because the oil holes are designed on the differential, the lubricating oil in the differential can be thrown to the outside of the differential under the action of centrifugal force, so that the internal lubrication of the differential is insufficient, and the abrasion and sintering faults of the differential are further generated.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel differential mechanism shell structure, solved among the prior art inside lubricating oil of differential mechanism and got rid of the differential mechanism outside, and then lead to the inside lubrication of differential mechanism not enough, produce the problem of differential mechanism wearing and tearing and sintering.
The technical scheme of the utility model is realized like this: the utility model provides a novel differential mechanism shell structure, include the retainer plate of coaxial and integrative setting from back to front, casing body and bearing bracket erection section, the vertical setting of retainer plate just sets up a plurality of evenly distributed's round hole, the casing body is the round platform form that the little rear end diameter of front end diameter is big, the bearing bracket erection section is the thick cylindric of the thin rear end of front end, the diameter of bearing bracket erection section rear side is less than the diameter of casing body front side, the front side of casing body is seted up and is equipped with a plurality of evenly distributed's the oilhole of crossing, the left and right sides of crossing the oilhole symmetry respectively and an organic whole are provided with the strengthening rib, wherein be located on the left strengthening rib of crossing the oilhole perpendicular and an organic whole be provided with and lead the oil muscle, lead.
Differential mechanism's part sets up inside the casing body, the inside part cooperation of bearing and casing body is equipped with in the interpolation of bearing bracket installation section, whole car is at the high-speed in-process that goes that advances, the differential mechanism casing is the retainer plate according to the clockwise rotation, the equal clockwise rotation of casing body and bearing bracket installation section, oil guide bar and strengthening rib all with cross oilhole side parallel and level and lie in the opposite side of direction of rotation, under the effect of the rotatory centrifugal force that produces of differential mechanism casing, oil guide bar and strengthening rib can block lubricating oil, with inside the leading-in to differential mechanism of lubricating oil from the differential mechanism outside, avoid under the centrifugal force effect, the inside lubricating oil of differential mechanism reduces and the wearing and tearing that lead to the inside spare part of differential mechanism, and can guarantee lubricating oil under the effect of oil guide bar, it is inside to get into differential mechanism.
As a preferred embodiment, the front side of the oil passing hole is positioned at the outer side of the bearing frame mounting section, the rear side of the oil passing hole is positioned at the front part of the shell body, the width of the rear side of the oil passing hole is larger than that of the front side, and the oil passing hole is designed at a low position so that lubricating oil can smoothly enter the differential.
In a preferred embodiment, the front end of the reinforcing rib is located outside the rear portion of the bearing bracket mounting section, the rear end of the reinforcing rib is located outside the housing body, the thickness of the front end of the reinforcing rib is greater than that of the rear end, the width of the front end of the reinforcing rib is smaller than that of the rear end, and the support rigidity of the reinforcing rib to the differential housing is improved by the arrangement of the reinforcing rib.
As a preferred embodiment, lead the front end of oil muscle and be located the outside of bearing frame installation section, the rear end of leading the oil muscle is located the outside of casing body, the thickness of leading the oil muscle front end is less than the thickness of leading the oil muscle rear end, setting through leading the oil muscle, the function of strengthening rib has not only been realized but also the intensity of differential mechanism casing has been promoted, and at the rotatory in-process of differential mechanism casing, can make inside entering into the differential mechanism that lubricating oil does not stop, guarantee the abundant lubrication of the inside spare part of differential mechanism, reduce abnormal wear.
As a preferred embodiment, the right side of the oil guiding rib and the right side of the reinforcing rib are both arranged in parallel with the left side wall of the oil guiding hole, the length between the front and the back of the reinforcing rib is larger than the length between the front and the back of the oil passing hole, the left side wall of the oil passing hole, the right side of the reinforcing rib and the right side of the oil guiding rib are located in the same plane, lubricating oil can be guaranteed to smoothly enter the differential through the oil passing hole under the action of the oil guiding rib, and the condition that the lubricating oil is gathered at the joint of the oil guiding rib, the oil passing hole and.
In a preferred embodiment, the ribs are rounded ribs to reduce the resistance to churning of the lubricant oil that occurs during rotation of the differential.
After the technical scheme is adopted, the beneficial effects of the utility model are that:
1. by adopting the structure, when the whole vehicle runs forwards, lubricating oil can be led into the differential from the outside of the differential, so that the abrasion of parts in the differential caused by the reduction of the lubricating oil in the differential under the action of centrifugal force is avoided;
2. the oil passing hole on the differential shell is arranged at a low position, so that lubricating oil can conveniently enter;
3. arc-shaped large-fillet reinforcing ribs are designed on two sides of the oil passing hole, so that the supporting rigidity of the differential shell is improved, and the oil stirring resistance is reduced;
4. the setting of leading the oil muscle can guarantee that differential mechanism is at high-speed rotatory in-process, inside lubricating oil can be continuous to enter into differential mechanism, guarantees the abundant lubrication of the inside spare part of differential mechanism.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a side view of the present invention.
In the drawings, 1 — the differential case; 11-a stationary ring; 12-a housing body; 13-a bearing bracket mounting section; 111-round holes; 121-oil passing holes; 122-reinforcing ribs; 123-oil guiding ribs.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 3, a novel differential housing structure, including the retainer plate 11 that sets up coaxially and integrative from back to front, casing body 12 and bearing bracket installation section 13, a plurality of evenly distributed's round hole 111 has just been seted up to the vertical setting of retainer plate 11, casing body 12 is the round platform form that the front end diameter is little the rear end diameter is big, bearing bracket installation section 13 is the thick cylindric of the thin rear end of front end, the diameter of bearing bracket installation section 13 rear side is less than the diameter of casing body 12 front side, the front side of casing body 12 is opened and is equipped with a plurality of evenly distributed's oil passing hole 121, the left and right sides of passing oil hole 121 symmetry respectively and an organic whole is provided with strengthening rib 122, wherein be located on the left strengthening rib 122 of oil hole 121 perpendicularly and an organic whole be provided with lead oil muscle 123, lead oil muscle 123 and be located the left side of strengthening rib 122.
The parts of the differential are arranged in the shell body 12, the bearing is inserted in the bearing frame mounting section 13 and matched with the parts in the shell body 12, when the whole vehicle runs forwards at high speed, the differential case 1 rotates clockwise, i.e. the fixed ring 11, the case body 12 and the bearing bracket mounting section 13 all rotate clockwise, the oil guiding ribs 123 and the reinforcing ribs 122 are all flush with the side surfaces of the oil passing holes 121 and are positioned on the opposite sides of the rotating direction, under the action of centrifugal force generated by rotation of the differential case 1, the oil guiding ribs 123 and the reinforcing ribs 122 can block lubricating oil, so that the lubricating oil is guided into the differential from the outside of the differential, abrasion of parts inside the differential due to reduction of the lubricating oil inside the differential under the action of the centrifugal force is avoided, and can guarantee that lubricating oil smoothly enters the differential through the oil passing hole 121 under the action of the oil guiding rib 123.
The front side of crossing oilhole 121 is located the outside of bearing bracket installation section 13, and the rear side of crossing oilhole 121 is located the anterior width that just crosses oilhole 121 rear side of casing body 12 and is greater than the width of front side, and it is in the low level to cross oilhole 121 design, and the lubricating oil of being convenient for gets into differential mechanism smoothly. The front end of the reinforcing rib 122 is located on the outer side of the rear portion of the bearing frame mounting section 13, the rear end of the reinforcing rib 122 is located on the outer side of the housing body 12, the thickness of the front end of the reinforcing rib 122 is larger than that of the rear end, the width of the front end of the reinforcing rib 122 is smaller than that of the rear end, and the supporting rigidity of the reinforcing rib 122 to the differential housing 1 is improved.
Lead the front end of oil muscle 123 and be located the outside of bearing bracket installation section 13, the rear end of leading oil muscle 123 is located the outside of casing body 12, the thickness of leading the oil muscle 123 front end is less than the thickness of leading the oil muscle 123 rear end, through the setting of leading oil muscle 123, not only realized strengthening rib 122's function and promoted differential mechanism casing 1's intensity, and at the 1 rotatory in-process of differential mechanism casing, can make entering into differential mechanism inside that lubricating oil does not stop, guarantee the abundant lubrication of the inside spare part of differential mechanism, reduce abnormal wear.
The right side of leading oil muscle 123 and the right side of strengthening rib 122 all with lead the left side wall parallel and level setting of oilhole, length between the strengthening rib 122 around is greater than the length between the oilhole 121 around, the left side wall of oilhole 121, the right side of strengthening rib 122 and the right side of leading oil muscle 123 are located the coplanar, can guarantee that lubricating oil under the effect of leading oil muscle 123, pass through oilhole 121 smoothly and enter into the differential mechanism inside, reduce the condition that the gathering appears in the junction of lubricating oil between the three. The ribs 122 are rounded ribs 122 that reduce the drag of the lubricant oil churning that occurs during differential rotation.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a novel differential mechanism shell structure, a serial communication port, include retainer plate, casing body and the bearing bracket erection section of coaxial and integrative setting from the back to the front, the vertical setting of retainer plate just sets up a plurality of evenly distributed's round hole, casing body is the round platform form that the little rear end diameter of front end diameter is big, the bearing bracket erection section is the thick cylindric of the thin rear end of front end, the diameter of bearing bracket erection section rear side is less than the diameter of casing body front side, the front side of casing body is seted up the oilhole of crossing that is equipped with a plurality of evenly distributed, the left and right sides of crossing the oilhole symmetry respectively and an organic whole is provided with the strengthening rib, wherein lies in perpendicular and an organic whole on the left strengthening rib of oilhole and is provided with leads the oil muscle, lead the oil muscle and lie in the left side.
2. The novel differential case structure according to claim 1, wherein the front side of the oil passing hole is located outside the bearing bracket mounting section, the rear side of the oil passing hole is located in the front of the case body, and the width of the rear side of the oil passing hole is greater than that of the front side.
3. The novel differential case structure according to claim 1, wherein the front ends of the ribs are located outside the rear portion of the bearing bracket mounting section, the rear ends of the ribs are located outside the case body, the front ends of the ribs have a thickness greater than that of the rear ends, and the front ends of the ribs have a width less than that of the rear ends.
4. The novel differential case structure as claimed in claim 3, wherein the front end of the oil guiding rib is located outside the bearing bracket mounting section, the rear end of the oil guiding rib is located outside the case body, and the thickness of the front end of the oil guiding rib is smaller than that of the rear end of the oil guiding rib.
5. The novel differential case structure according to claim 4, wherein the right side of the oil guiding rib and the right side of the reinforcing rib are both flush with the left side wall of the oil guiding hole, and the length between the front and the back of the reinforcing rib is greater than the length between the front and the back of the oil passing hole.
6. The novel differential case structure as claimed in claim 1, wherein said ribs are arcuate radiused ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020442773.6U CN211778835U (en) | 2020-03-30 | 2020-03-30 | Novel differential mechanism shell structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020442773.6U CN211778835U (en) | 2020-03-30 | 2020-03-30 | Novel differential mechanism shell structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211778835U true CN211778835U (en) | 2020-10-27 |
Family
ID=72928052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020442773.6U Active CN211778835U (en) | 2020-03-30 | 2020-03-30 | Novel differential mechanism shell structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211778835U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483086A (en) * | 2021-06-29 | 2021-10-08 | 东风汽车有限公司东风日产乘用车公司 | Differential lubrication system |
-
2020
- 2020-03-30 CN CN202020442773.6U patent/CN211778835U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483086A (en) * | 2021-06-29 | 2021-10-08 | 东风汽车有限公司东风日产乘用车公司 | Differential lubrication system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201509123U (en) | Hub motor system and lubricating system thereof | |
| CN211778835U (en) | Novel differential mechanism shell structure | |
| CN111197649B (en) | Speed reducer shell structure and electric automobile | |
| CN208638145U (en) | Modified oiling electric motor end cap | |
| CN216564877U (en) | High-torque low-rotation-speed self-braking brushless hub motor structure | |
| CN216975732U (en) | Gear box | |
| CN210623525U (en) | Drive axle for commercial vehicles | |
| CN213512006U (en) | Guiding type oil delivery mechanism of automobile transmission | |
| CN110912320A (en) | Low-noise new energy automobile motor | |
| CN211009792U (en) | Semi-coaxial electric drive bridge assembly | |
| CN210978482U (en) | Power transmission device lubricating structure | |
| CN210623526U (en) | Lubricating oil filtering structure of drive axle | |
| CN211778836U (en) | Novel integral interaxial differential shell structure | |
| CN214356242U (en) | Firm in connection's knuckle fork | |
| CN216975738U (en) | Gear box with cast-forged combined planet carrier | |
| CN220500397U (en) | Improved generation Ningbo formula tractor front drive axle | |
| CN221257409U (en) | Construction guide wheel of booster station | |
| CN203218675U (en) | Motor carbon brush assembly | |
| CN214240293U (en) | Front axle of tractor | |
| CN216842805U (en) | Hydraulic retarder and vehicle | |
| CN220540273U (en) | Lubricating assembly for differential mechanism, power assembly and vehicle | |
| CN219529789U (en) | Novel spline antifriction lubricating structure | |
| CN213413996U (en) | Automobile and transmission structure thereof | |
| CN212667358U (en) | Connecting rod and connecting shaft improved structure for track traffic through passage | |
| CN218408436U (en) | Arrangement structure for lubricating bearing in reduction gearbox |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |