CN111750066A - Internal gear cam type differential mechanism - Google Patents
Internal gear cam type differential mechanism Download PDFInfo
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- CN111750066A CN111750066A CN202010613409.6A CN202010613409A CN111750066A CN 111750066 A CN111750066 A CN 111750066A CN 202010613409 A CN202010613409 A CN 202010613409A CN 111750066 A CN111750066 A CN 111750066A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H48/12—Differential gearings without gears having orbital motion
- F16H48/14—Differential gearings without gears having orbital motion with cams
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H48/38—Constructional details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H48/38—Constructional details
- F16H48/40—Constructional details characterised by features of the rotating cases
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention relates to the technical field of differentials, in particular to an internal gear cam type differential, which comprises a shell, an eccentric wheel, a pinion, a differential sleeve, a connecting rod mechanism and a driven gear, wherein the driven gear is provided with a mounting through hole in the center, a cylindrical transmission chamber is arranged in the shell, and the outer side of the shell and the inner side of the driven gear are fixedly mounted together. The invention has reasonable and compact structure and convenient assembly and disassembly, the power is transmitted to the shell by the driven gear, the shell transmits the power to the pinion and the eccentric wheel by the connecting rod mechanism, and finally the power is respectively transmitted to the left wheel by the left spline housing and the left half shaft and transmitted to the right wheel by the right spline housing and the right half shaft.
Description
Technical Field
The invention relates to the technical field of differentials, in particular to an internal gear cam type differential.
Background
The differential is a main part of a drive axle and has the function of allowing the half shafts on the two sides to rotate at different rotating speeds while transmitting power to the half shafts on the two sides, so that wheels on the two sides can run in an unequal distance mode in a pure rolling mode as far as possible, and the friction between tires and the ground is reduced. At present, the existing differentials are generally bevel gear differentials, power of the bevel gear differentials is transmitted through a driven gear, a cross shaft, a planetary gear, a left half shaft gear and a right half shaft gear, when a sun gear on a left half shaft and a sun gear on a right half shaft on the left side and the right side of the planetary gear in the existing differentials work, the rotating directions are opposite, when a vehicle runs on a road surface with a low adhesion coefficient, like a road surface in rainy days or snowy days, after a front wheel leaves the ground, particularly when the vehicle runs at a high speed, the rear wheel is easy to slip, and then the vehicle turns, so that potential safety hazards exist, and safety accidents can be caused under serious conditions.
Disclosure of Invention
The invention provides an internal gear cam type differential, which overcomes the defects of the prior art and can effectively solve the problem of potential safety hazard caused by the fact that two rear wheels rotate around the differential as a center when the front wheels lift off the ground in the prior differential.
The technical scheme of the invention is realized by the following measures: an internal gear cam type differential mechanism comprises a shell, an eccentric wheel, a pinion, a differential sleeve, a connecting rod mechanism and a driven gear, wherein the driven gear is provided with a mounting through hole in the center, a cylindrical transmission chamber is arranged in the shell, the outer side of the shell is fixedly installed with the inner side of the driven gear, the center of the left side of the shell is provided with a left mounting hole communicated with the left part of the transmission chamber, the right side of the shell corresponding to the position of the left mounting hole is provided with a right mounting hole communicated with the right part of the transmission chamber, a left spline sleeve with the right end positioned at the left part of the transmission chamber is coaxially and rotatably installed in the left mounting hole, the outer side of the right spline sleeve is fixedly installed with the pinion positioned at the right part of the transmission chamber, the differential sleeve is rotatably installed in the transmission chamber, the inner side of the left part of the differential sleeve is rotatably installed with the outer side of the eccentric wheel, an inner gear ring meshed with the pinion is fixed on the inner side of the right part of the differential sleeve, and the outer side of the middle part of the differential sleeve and the inner side of the shell are installed together through a connecting rod mechanism.
The following is further optimization or/and improvement of the technical scheme of the invention:
the connecting rod mechanism can comprise double connecting rods, an outer connecting rod, a first pin shaft, a second pin shaft and a third pin shaft, at least three inner connecting seats are uniformly distributed on the outer side of the middle of the differential sleeve along the circumference, outer connecting seats are fixed on the inner side of the shell corresponding to the positions of the inner connecting seats, the double connecting rods and the outer connecting rods are arranged between the inner connecting seats and the outer connecting seats, one ends of the double connecting rods and one ends of the outer connecting rods are hinged through the first pin shaft, the other ends of the double connecting rods and the inner connecting seats corresponding to the positions are hinged through the second pin shaft, and the other ends of the outer connecting rods and the outer connecting seats corresponding to the positions are hinged through the third pin shaft.
The double connecting rods can comprise two inner connecting rods which are arranged in pairs, the two inner connecting rods are arranged on the left side and the right side of the outer connecting rod respectively, one ends of the two inner connecting rods and one end of the outer connecting rod are connected in a hinged mode through a first pin shaft, and the other ends of the two inner connecting rods and the inner connecting seat are connected in a hinged mode through a second pin shaft.
The first pin shaft, the second pin shaft and the third pin shaft can be arranged in the left-right direction, the central axis of the first pin shaft and the central axis of the second pin shaft form a first plane, the central axis of the first pin shaft and the central axis of the second pin shaft form a second plane in the axial direction, and an included angle between the first plane and the second plane is an acute angle.
The connecting rod mechanism can further comprise a limiting pin, a mounting hole which is through from left to right is formed in the left side of the outer connecting rod close to the position of the first pin shaft, the limiting pin is fixedly mounted in the mounting hole, the left end and the right end of the outer connecting rod are located on the left side and the right side of the outer connecting rod respectively, limiting holes which are through from left to right are formed in the front sides of the two inner connecting rods close to the position of the first pin shaft, the limiting holes are sector ring-shaped holes which are coaxially arranged with the first pin shaft, the outer side of the left part of the limiting pin is located in the limiting hole of the left inner connecting rod.
The inner connecting rod can be a vertically arranged fan-shaped plate-shaped structure and outwards bent at one side far away from the differential sleeve, and the outer connecting rod is a vertically arranged fan-shaped plate-shaped structure and outwards bent at one side far away from the differential sleeve.
The shell can comprise a left differential shell and a right differential shell, the left differential shell is cylindrical with a left end closed and a right end opened, a left connecting post is fixed in the center of the left end of the left differential shell, a left mounting hole is arranged on the left connecting post, the left end of the left mounting hole extends to the left end of the left connecting post and the right end extends to the inner wall of the left differential shell, the outer side of the right part of the left differential shell is fixedly arranged on the inner side of the left part of the driven gear, left outer connecting seats corresponding to the inner connecting seats are evenly distributed on the inner side of the left differential shell along the circumference, the right differential shell is cylindrical with a right end closed and a left end opened, a right connecting post is fixed in the center of the right end of the right differential shell, a right mounting hole is arranged on the right connecting post, the right end of the right mounting hole extends to the right connecting post and the left end extends to the inner wall of the right differential shell, the outer side of the, the outer connecting seat is formed by the left outer connecting seat and the right outer connecting seat, one end of the outer connecting rod is hinged with the two inner connecting rods in corresponding positions through a first pin shaft, and the other end of the outer connecting rod is hinged with the left outer connecting seat and the right outer connecting seat in corresponding positions through a third pin shaft.
The left outer ring platform can be fixed on the outer side of the right end of the left differential case, the right end of the left outer ring platform is uniformly provided with at least three left connecting holes which are communicated left and right along the circumference, the outer side of the left end of the right differential case is fixed with the right outer ring platform, the left side of the right outer ring platform corresponding to the position of each left connecting hole is provided with a right connecting hole which is communicated left and right, the inner side of the middle part of the driven gear is fixed with the inner ring platform, the inner ring platform is provided with middle connecting holes corresponding to the left connecting holes, a screw rod of the left differential case and the right differential case passing through the connecting bolts sequentially passes through the left connecting holes from right to left, the middle connecting holes and the right connecting holes are screwed with nuts and fixedly installed on the left side and the right side of the inner ring platform, an interval is arranged between the right side.
The invention has reasonable and compact structure and convenient assembly and disassembly, the power is transmitted to the shell by the driven gear, the shell transmits the power to the pinion and the eccentric wheel by the connecting rod mechanism, and finally the power is respectively transmitted to the left wheel by the left spline housing and the left half shaft and transmitted to the right wheel by the right spline housing and the right half shaft.
Drawings
FIG. 1 is a schematic sectional view of the present invention.
FIG. 2 is a schematic cross-sectional zoom configuration at A-A of FIG. 1.
FIG. 3 is a schematic cross-sectional zoom configuration at B-B of FIG. 1.
Fig. 4 is an enlarged schematic view of C in fig. 3.
The codes in the figures are respectively: the transmission device comprises an eccentric wheel 1, a pinion 2, a differential sleeve 3, an inner gear ring 4, an inner connecting seat 5, a driven gear 6, an inner ring platform 7, a left spline sleeve 8, a right spline sleeve 9, a limiting pin 10, an inner connecting rod 11, an outer connecting rod 12, a first pin shaft 13, a second pin shaft 14, a third pin shaft 15, a left differential shell 16, a right differential shell 17, a left connecting column 18, a right connecting column 19, a left outer ring platform 20, a right outer ring platform 21, a left outer connecting seat 22, a right outer connecting seat 23, a connecting bolt 24, a nut 25, a limiting hole 26, a transmission chamber 27 and an included angle alpha.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments may be determined according to the technical solutions and practical situations of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of the components is described according to the layout pattern of fig. 1 of the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The invention is further described with reference to the following examples and figures:
as shown in fig. 1, 2 and 3, the internal gear cam differential includes a casing, an eccentric wheel 1, a pinion 2, a differential case 3, a link mechanism and a driven gear 6 having a mounting through hole in the center, a cylindrical transmission chamber 27 is provided in the casing, the outside of the casing is fixedly mounted with the inside of the driven gear 6, a left mounting hole communicating with the left part of the transmission chamber 27 is provided in the center of the left side of the casing, a right mounting hole communicating with the right part of the transmission chamber 27 is provided on the right side of the casing corresponding to the left mounting hole, a left spline housing 8 having a right end located at the left part of the transmission chamber 27 is coaxially rotatably mounted in the left mounting hole, the eccentric wheel 1 located at the left part of the transmission chamber 27 is fixedly mounted on the outside of the right part of the left spline housing 8, a right spline housing 9 having a left end located at the right part of the transmission chamber 27 is coaxially rotatably mounted in the right mounting, the transmission chamber 27 is rotatably provided with a differential sleeve 3, the inner side of the left part of the differential sleeve 3 is rotatably arranged with the outer side of the eccentric wheel 1, the inner side of the right part of the differential sleeve 3 is fixedly provided with an inner gear ring 4 meshed with the pinion 2, and the outer side of the middle part of the differential sleeve 3 is arranged with the inner side of the shell through a connecting rod mechanism.
According to the demand, differential cover 3 and the integrative setting of ring gear 4, 8 left parts inboards of left spline housing and left semi-axis right-hand member outside splined connection, right spline right parts inboards and right semi-axis left end outside splined connection. In the using process, power is transmitted to the shell by the driven gear 6, the shell transmits the power to the pinion 2 and the eccentric wheel 1 by the connecting rod mechanism, and finally the power is transmitted to the left wheel by the left spline housing 8 and the left half shaft and transmitted to the right wheel by the right spline housing 9 and the right half shaft respectively; when the rotating speed of the eccentric wheel 1 is reduced, the inner side of the left part of the differential sleeve 3 normally rotates relative to the eccentric wheel 1, and the inner gear ring 4 of the differential sleeve 3 and the pinion 2 synchronously rotate to finally realize turning to one side of a left wheel; in the turning process, the rotation directions of the left spline housing 8 and the right spline housing 9 are the same, and when the vehicle passes through a road surface with a lower adhesion coefficient, particularly when the vehicle passes through at a high speed, the phenomenon that two wheels rotate around a differential as a center circumference can be avoided, and the normal running of the vehicle is ensured. The invention has reasonable and compact structure and convenient assembly and disassembly, and can improve the stability and the safety of vehicles passing through roads with lower adhesion coefficients.
The internal gear cam type differential can be further optimized or/and improved according to actual needs:
as shown in the attached drawings 1, 2 and 3, the link mechanism comprises a double-link rod, an outer link rod 12, a first pin 13, a second pin 14 and a third pin 15, at least three inner connecting seats 5 are uniformly distributed on the outer side of the middle of the differential sleeve 3 along the circumference, an outer connecting seat is fixed on the inner side of the shell corresponding to each inner connecting seat 5, the double-link rod and the outer link rod 12 are arranged between each inner connecting seat 5 and the outer connecting seat, one end of the double-link rod and one end of the outer link rod 12 are hinged through the first pin 13, the other end of the double-link rod and the inner connecting seat 5 corresponding to the position are hinged through the second pin 14, and the other end of the outer link rod 12 and the outer connecting seat corresponding to the position are hinged through the third pin 15.
According to the demand, the number of the inner connecting seats 5 is four, the first pin shaft 13, the second pin shaft 14 and the third pin shaft 15 are all in the prior art, the right end of the first pin shaft 13, the right end of the second pin shaft 14 and the left end of the third pin shaft 15 are all provided with through holes which are radially communicated, a cotter pin is arranged in each through hole, and the inner connecting seats 5 and the differential sleeve 3 are integrally arranged. In the use, through such setting, can make differential housing 3 and casing transmission link together, can make differential housing 3 do eccentric rotary motion in the casing along the central axis of left spline housing 8 or the central axis of right spline simultaneously at the during operation, make the direction of rotation of left spline housing 8 and right spline housing 9 unanimous, connect simple reliable safety.
As shown in fig. 1, 2 and 3, the double-link rod includes two inner links 11 disposed in pairs, the two inner links 11 are disposed on the left and right sides of the outer link 12, one ends of the two inner links 11 and one end of the outer link 12 are hinged to each other by a first pin 13, and the other ends of the two inner links 11 and the inner connection base 5 are hinged to each other by a second pin 14.
In the use, through such setting, can strengthen the intensity of two connecting rods, the articulated connection between connecting rod structure and interior connecting seat 5 and the outer connecting seat of also being convenient for, the dismouting is simple, long service life.
As shown in fig. 1, 2, and 3, the first pin 13, the second pin 14, and the third pin 15 are all arranged in the left-right direction, a first plane is formed by the central axis of the first pin 13 and the central axis of the second pin 14, a second plane is formed by the central axis of the first pin 13 and the central axis of the second pin 14, and an included angle α between the first plane and the second plane is an acute angle.
In the use process, through the arrangement, the radial impact among the inner connecting rod 11, the differential sleeve 3, the eccentric wheel 1 and the pinion 2 in the operation process can be reduced, the mechanical property of vibration reduction is stable, the vibration reduction effect can be well realized, and the service life of the invention is prolonged.
As shown in fig. 1, 2, 3, and 4, the link mechanism further includes a limit pin 10, a left-right through mounting hole is formed in the left side of the outer connecting rod 12 close to the first pin 13, the limit pin 10 is fixedly mounted in the mounting hole, the left end and the right end of the outer connecting rod 12 are located on the left side and the right side of the outer connecting rod 10 respectively, a left-right through limit hole 26 is formed in the front sides of the two inner connecting rods 11 close to the first pin 13, the limit hole 26 is a fan-shaped hole coaxially arranged with the first pin 13, the left outer side of the limit pin 10 is located in the limit hole 26 of the left inner connecting rod 11, and the right outer side of the limit pin 10 is located in the limit hole 26 of the right.
In the use process, the limiting hole 26 and the limiting pin 10 are arranged, so that the differential sleeve 3, the eccentric wheel 1 and the pinion 2 can be ensured to be in transmission connection all the time in the working process, the condition that the inner connecting rod 11 and the outer connecting rod 12 fail when the rotating speed of the driven gear 6 is too high can be avoided, and the reliability of the invention in the use process is improved.
As shown in fig. 1, 2, 3 and 4, the inner link 11 is a vertically disposed plate-shaped structure with a fan-shaped ring and is bent outward at a side away from the differential case 3, and the outer link 12 is a vertically disposed plate-shaped structure with a fan-shaped ring and is bent outward at a side away from the differential case 3.
In the using process, the limiting hole 26 and the limiting pin 10 can be conveniently arranged through the arrangement, the sizes of the limiting hole 26 and the limiting pin 10 are increased, the strength of the limiting pin 10 is increased, the processing difficulty of arranging the limiting hole 26 can be reduced, the manufacturing cost of the invention is reduced, and the reliability of the invention in the using process is improved.
As shown in the attached figures 1, 2 and 3, the shell comprises a left differential shell 16 and a right differential shell 17, the left differential shell 16 is cylindrical with a closed left end and an open right end, a left connecting column 18 is fixed in the center of the left end of the left differential shell 16, a left mounting hole is arranged on the left connecting column 18, the left end of the left mounting hole extends to the left end of the left connecting column 18 and the right end extends to the inner wall of the left differential shell 16, the outer side of the right part of the left differential shell 16 is fixedly arranged on the inner side of the left part of a driven gear 6, left outer connecting seats 22 corresponding to inner connecting seats 5 are evenly distributed on the inner side of the left differential shell 16 along the circumference at intervals, the right differential shell 17 is cylindrical with a closed right end and an open left end, a right connecting column 19 is fixed in the center of the right end of the right differential shell 17, a right mounting hole is arranged on the right connecting column 19, the right end of the right mounting hole extends to the right connecting column, the right outer connecting seats 23 corresponding to the left outer connecting seats 22 are evenly distributed on the inner side of the right differential case 17 at intervals along the circumference, the left outer connecting seats 22 and the right outer connecting seats 23 form outer connecting seats, one end of each outer connecting rod 12 is hinged and connected with the two inner connecting rods 11 at the corresponding positions through a first pin shaft 13, and the other end of each outer connecting rod 12 is hinged and connected with the left outer connecting seats 22 and the right outer connecting seats 23 at the corresponding positions through a third pin shaft 15.
According to the demand, left differential case 16 and left spliced pole 18 and the integrative setting of left outer connecting seat 22, the interval fixed mounting has two bearings about between the left spline housing 8 outside and the left spliced pole 18 inboard, right differential case 17 and right spliced pole 19 and the integrative setting of right outer connecting seat 23, interval fixed mounting has two bearings about between the right spline housing 9 outside and the right spliced pole 19 inboard, the inboard transmission chamber 27 that forms of left differential case 16 and right differential case 17 inboard. In the use, through such setting, can be convenient for dismouting install link mechanism, differential case 3, eccentric wheel 1, pinion 2, left spline housing 8 and right spline housing 9 in transmission chamber 27, the later maintenance of being convenient for.
As shown in attached figures 1, 2 and 3, a left outer ring platform 20 is fixed on the outer side of the right end of the left differential shell 16, at least three left and right through left connecting holes are uniformly distributed on the right end of the left outer ring platform 20 along the circumference, a right outer ring platform 21 is fixed on the outer side of the left end of the right differential shell 17, the left side of the right outer ring platform 21 corresponding to each left connecting hole is provided with a right connecting hole which is communicated with the left and the right, the inner side of the middle part of the driven gear 6 is fixed with an inner ring platform 7, the inner ring platform 7 is provided with a middle connecting hole corresponding to the left connecting hole, the left differential case 16 and the right differential case 17 sequentially penetrate through the left connecting hole from right to left through a screw rod of a connecting bolt 24, the middle connecting hole and the right connecting hole are in threaded connection with a nut 25 and are fixedly arranged on the left side and the right side of the inner ring platform 7, an interval is arranged between the right side of the left outer connecting seat 22 and the left side of the right outer connecting seat 23, and one end, away from the differential case 3, of the outer connecting rod 12 is.
According to requirements, the left differential case 16 and the right differential case 17 are identical in structure and are symmetrically distributed in the left and right directions. In the use process, the left differential case 16, the right differential case 17 and the driven gear 6 are convenient to disassemble and assemble through the arrangement, the contact area among the driven gear 6, the left differential case 16 and the right differential case 17 can be increased through the arrangement of the inner ring platform 7, the transmission chamber 27 is convenient to seal, and the lubricating effect of the invention is improved.
The technical characteristics form an embodiment of the invention, which has strong adaptability and implementation effect, and unnecessary technical characteristics can be increased or decreased according to actual needs to meet the requirements of different situations.
Claims (8)
1. An internal gear cam type differential mechanism is characterized by comprising a shell, an eccentric wheel, a pinion, a differential sleeve, a connecting rod mechanism and a driven gear, wherein the driven gear is provided with a mounting through hole in the center, a cylindrical transmission chamber is arranged in the shell, the outer side of the shell is fixedly installed with the inner side of the driven gear, the center of the left side of the shell is provided with a left mounting hole communicated with the left part of the transmission chamber, the right side of the shell corresponding to the position of the left mounting hole is provided with a right mounting hole communicated with the right part of the transmission chamber, a left spline sleeve with the right end positioned at the left part of the transmission chamber is coaxially and rotatably installed in the left mounting hole, the outer side of the right spline is fixedly installed with the pinion positioned at the right part of the transmission chamber, the differential sleeve is rotatably installed in the transmission chamber, the inner side of the left part of the differential sleeve is rotatably installed with the outer side of the eccentric wheel, an inner gear ring meshed with the pinion is fixed on the inner side of the right part of the differential sleeve, and the outer side of the middle part of the differential sleeve and the inner side of the shell are installed together through a connecting rod mechanism.
2. An internal gear cam differential mechanism according to claim 1, wherein the link mechanism includes a double link, an outer link, a first pin, a second pin, and a third pin, at least three inner connecting seats are circumferentially and evenly provided on an outer side of a middle portion of the differential case, an outer connecting seat is fixed to an inner side of the case corresponding to each inner connecting seat, the double link and the outer link are provided between each inner connecting seat and the outer connecting seat, one end of the double link and one end of the outer link are hingedly connected by the first pin, the other end of the double link and the inner connecting seat corresponding to the position are hingedly connected by the second pin, and the other end of the outer link and the outer connecting seat corresponding to the position are hingedly connected by the third pin.
3. An internal gear cam differential according to claim 2, wherein the double link comprises two inner links provided in pair, the two inner links being provided on the left and right sides of the outer link, respectively, one ends of the two inner links and one end of the outer link being hingedly connected by a first pin, and the other ends of the two inner links and the inner joint base being hingedly connected by a second pin.
4. An internal gear cam differential according to claim 3, wherein the first pin, the second pin, and the third pin are disposed in a left-right direction, a first plane is formed by a central axis of the first pin and a central axis of the second pin, a second plane is formed by a central axis of the first pin and a central axis of the second pin, and an included angle between the first plane and the second plane is an acute angle.
5. An internal gear cam-type differential according to claim 4, wherein the link mechanism further includes a stopper pin, a through-hole is provided on the left side of the outer link near the first pin, the stopper pin is fixedly mounted in the through-hole, the left and right ends of the stopper pin are respectively located on the left and right sides of the outer link, a through-hole is provided on each of the front sides of the two inner links near the first pin, the stopper hole is a sector ring hole coaxially provided with the first pin, the left outer side of the stopper pin is located in the stopper hole of the left inner link, and the right outer side of the stopper pin is located in the stopper hole of the right inner link.
6. The internal gear cam differential according to claim 5, wherein the inner link is of a vertically disposed plate-like structure of a sector ring shape and is bent outwardly at a side remote from the differential case, and the outer link is of a vertically disposed plate-like structure of a sector ring shape and is bent outwardly at a side remote from the differential case.
7. An internal gear cam-type differential according to claim 3, 4, 5 or 6, wherein the case includes a left differential case and a right differential case, the left differential case is cylindrical with a left end closed and a right end open, a left connecting post is fixed to the left end center of the left differential case, a left mounting hole is provided on the left connecting post, the left end of the left mounting hole extends to the left end of the left connecting post and the right end extends to the inner wall of the left differential case, the right outer side of the left differential case is fixedly mounted to the left inner side of the driven gear, left outer connecting seats corresponding to the inner connecting seats are circumferentially and uniformly distributed on the inner side of the left differential case, the right differential case is cylindrical with a right end closed and a left end open, a right connecting post is fixed to the right end center of the right differential case, a right mounting hole is provided on the right connecting post, the right end of the right mounting hole extends to the, the left outer side of the right differential case is fixedly installed on the right inner side of the driven gear, right outer connecting seats corresponding to the left outer connecting seats are evenly distributed on the inner side of the right differential case along the circumference at intervals, the left outer connecting seats and the right outer connecting seats form the outer connecting seats, one ends of the outer connecting rods are connected with two inner connecting rods corresponding to the positions in an articulated mode through first hinge pins, and the other ends of the outer connecting rods are connected with the left outer connecting seats corresponding to the positions in an articulated mode through third hinge pins and the right outer connecting seats.
8. An internal gear cam-type differential according to claim 7, wherein a left outer ring table is fixed to an outer side of a right end of the left differential case, at least three left connecting holes penetrating left and right are uniformly distributed along a circumference at a right end of the left outer ring table, a right outer ring table is fixed to an outer side of a left end of the right differential case, the right outer ring platform left side that corresponds every left connecting hole position all is equipped with the right connecting hole that link up about, driven gear middle part inboard is fixed with the inner ring platform, be equipped with the intermediate junction hole corresponding with the left connecting hole on the inner ring platform, left differential mechanism casing and right differential mechanism casing pass left connecting hole from right to left through connecting bolt's screw rod in proper order, intermediate junction hole and right connecting hole and spiro union have nut fixed mounting in inner ring platform left side and right side, be equipped with the interval between left outer connecting seat right side and the right outer connecting seat left side, the one end that differential sleeve was kept away from to the outer connecting rod is passed through third round pin axle articulated connection between left outer connecting seat and right outer connecting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010613409.6A CN111750066B (en) | 2020-06-30 | 2020-06-30 | Internal gear cam type differential mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010613409.6A CN111750066B (en) | 2020-06-30 | 2020-06-30 | Internal gear cam type differential mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111750066A true CN111750066A (en) | 2020-10-09 |
| CN111750066B CN111750066B (en) | 2023-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010613409.6A Active CN111750066B (en) | 2020-06-30 | 2020-06-30 | Internal gear cam type differential mechanism |
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| US4644818A (en) * | 1984-10-29 | 1987-02-24 | Tractech, Inc. | Differential apparatus with side-gear-centered center cam |
| RU2010138C1 (en) * | 1989-02-23 | 1994-03-30 | Виктор Петрович Демин | Vehicle differential gear |
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| CN105370839A (en) * | 2015-12-15 | 2016-03-02 | 四川大学 | Outer cam shock wave-type pure rolling automobile differential mechanism with arbitrary tooth difference |
| CN106461051A (en) * | 2014-06-24 | 2017-02-22 | 武藏精密工业株式会社 | Differential device |
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2020
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA300740A (en) * | 1930-06-03 | W. Seeck Ferdinand | Differential mechanism | |
| GB119671A (en) * | 1917-09-06 | 1918-10-07 | Frank Von Elbertz | Improvements in Differential Mechanism. |
| FR729497A (en) * | 1931-03-17 | 1932-07-25 | Differential particularly applicable to motor cars or other vehicles | |
| US4644818A (en) * | 1984-10-29 | 1987-02-24 | Tractech, Inc. | Differential apparatus with side-gear-centered center cam |
| RU2010138C1 (en) * | 1989-02-23 | 1994-03-30 | Виктор Петрович Демин | Vehicle differential gear |
| CN103791057A (en) * | 2014-02-11 | 2014-05-14 | 安宏亮 | Eccentric wheel limited slip differential |
| CN106461051A (en) * | 2014-06-24 | 2017-02-22 | 武藏精密工业株式会社 | Differential device |
| CN105370839A (en) * | 2015-12-15 | 2016-03-02 | 四川大学 | Outer cam shock wave-type pure rolling automobile differential mechanism with arbitrary tooth difference |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111750066B (en) | 2023-07-07 |
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