CN105202147A - Vehicle-used differential mechanism having antiskid and locking functions - Google Patents
Vehicle-used differential mechanism having antiskid and locking functions Download PDFInfo
- Publication number
- CN105202147A CN105202147A CN201510703078.4A CN201510703078A CN105202147A CN 105202147 A CN105202147 A CN 105202147A CN 201510703078 A CN201510703078 A CN 201510703078A CN 105202147 A CN105202147 A CN 105202147A
- Authority
- CN
- China
- Prior art keywords
- gear
- top shell
- shaft shoulder
- lock plate
- locking
- 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.)
- Granted
Links
Classifications
-
- 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
- F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
- F16H48/22—Arrangements for suppressing or influencing the differential action, e.g. locking devices using friction clutches or brakes
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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
- F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
- F16H48/28—Arrangements for suppressing or influencing the differential action, e.g. locking devices using self-locking gears or self-braking gears
- F16H48/285—Arrangements for suppressing or influencing the differential action, e.g. locking devices using self-locking gears or self-braking gears with self-braking intermeshing gears having parallel axes and having worms or helical teeth
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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
- F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
- F16H48/30—Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means
- F16H48/34—Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means using electromagnetic or electric actuators
Abstract
The invention belongs to the technical field of differential mechanisms and relates to a vehicle-used differential mechanism having antiskid and locking functions. A first gear and a second gear are arranged at the upper side of a bottom shell, a third gear meshed with the first gear and a fourth gear meshed with the third gear are arranged in a cavity formed between the first gear and an intermediate shell and a cavity formed between the second gear and the intermediate shell respectively, the fourth gear is meshed with the second gear, an optical axis portion, an installation portion and an shaft shoulder are arranged on the upper end face of the second gear, a locking disc is slidably arranged on the optical axis portion, a brake disc is fixedly connected with the installation portion, the shaft should is sleeved with a top shell, the brake disc is locked with the locking disc through locking teeth, locking grooves matched with locking blocks of the locking disc are formed in the lower end face of the top shell, a lower shaft shoulder and an intermediate shaft shoulder are arranged on the upper end face of the top shell in an upward-extending mode, an annular sucking disc is slidably arranged on the lower shaft shoulder, the intermediate shaft should is sleeved with an electromagnet, the sucking disc is fixedly connected with the locking disc through a threaded rod, and return springs are evenly distributed in the circumferential direction between the locking disc and the top shell. The vehicle-used differential mechanism has the advantages that no skid is caused as a result of the adoption of helical tooth transmission, the electromagnet locks the differential mechanism in a non-differential velocity state, it is helpful for a vehicle to be driven out of a cavity, and good adaptability is achieved.
Description
Technical field
The invention belongs to differential art field, refer in particular to a kind of automobile differential with anti-skidding latch functions.
Background technique
Under steam, the relative movement of wheel road pavement has two states to automobile---and roll and slide, wherein slide and be divided into and trackslip and slippage two kinds.When automobile turning traveling or when keeping straight at uneven road surface, because of both sides wheel at one time in the curve distance that moves past different, if two side drive wheel only drive with a stiff shaft, then the two angular velocity is inevitable equal, must have the rolling limit slippage of single wheel limit, trackslips in another-vehicle wheel side rolling limit, side, and wheel is to the slip on ground, to make motor turning difficulty, power consumption increases, and drives up and easily makes some another part and tire wear.So, should avoid as far as possible producing it, current differential mechanism be mostly by the driven gear of main reducing gear by a differential gear systems---differential mechanism drives the both sides semiaxis of automobile and driving wheel to solve this problem respectively.Existing many type differential mechanisms still come with some shortcomings part on stuctures and properties: what have does not have latch functions; There is the differential mechanism of latch functions when bad road traveling, when left and right or forward and backward driving wheel differs larger with the attachment condition between road surface, when cutting the throat muddy or ice and snow road if any a driving wheel contact, even if another-individual wheel is on good road surface, automobile often still can not advance. this is because most of differential mechanism has the feature of mean allocation moment of torsion, the moment of torsion that this wheel is assigned to can only be equal with passing to moment of torsion very little on the driving wheel that trackslips, and the cause that tractive force is too little.In order to improve the rideability of automobile, should adopt when a driving wheel trackslips, differential mechanism has locking all torsion torque to go to pass to the function of the driving wheel do not trackslipped, and can automobile be made to continue to travel by tractive force to utilize the adhesion of this driving wheel to produce foot.
Summary of the invention
The object of this invention is to provide a kind of automobile differential with anti-skidding latch functions.
The object of the present invention is achieved like this:
There is the automobile differential of anti-skidding latch functions, comprise drain pan and be connected to the mesochite on drain pan, the upside of drain pan is provided with gear one and with gear one coaxial line and spaced gear two, in gear one and the cavity between gear two and mesochite axisymmetric be provided with a pair with the gear three of gear one engagement driving and a pair gear four with gear three engagement driving, gear four and gear two engagement driving, the upper-end surface of gear two is upwards extended with the optical axis portion that the diameter of axle reduces successively, assembly department and the shaft shoulder, portion is slidably equipped with lock plate to optical axis, the inner side of lock plate upper-end surface is equipped with locking tooth, outside spacers is provided with latch, assembly department is fixedly connected with brake disc, the lower end surface of brake disc is provided with the lower locking tooth be meshed with upper locking tooth, the shaft shoulder of gear two is set with top shell, the lower end surface of top shell is provided with the lock groove matched with latch, the upper-end surface of top shell is upwards extended with under the diameter of axle reduces successively, in, the upper shaft shoulder, the lower shaft shoulder is slidably equipped with the sucker of annular, the electromagnet of adhesive sucker is provided with in the shell that the middle shaft shoulder is set with, screw rod by running through the through hole in top shell between sucker with lock plate is fixedly connected with, optical axis portion and the lower shaft shoulder are provided with the gap that lock plate and sucker synchronously move axially, lock plate is made to move the Returnning spring of reset after circumference is evenly equipped with electromagnet power-off between lock plate and top shell.
Tooth said gear one, gear two, gear three, gear four engaging each other transmission is the helical tooth of peripheral hardware.
Spacer sleeve is provided with between said gear one and gear two.
The upper surface of above-mentioned shell is provided with plural locating stud.
Above-mentioned latch and lock groove correspondence are provided with more than three or four.
On the face that above-mentioned lock plate is relative with top shell circumference be arranged at intervals with three to or four to above groove, described Returnning spring correspondence be provided with more than three or four and corresponding apical grafting in the groove that lock plate is relative with top shell.
The external diameter of above-mentioned screw rod is less than the internal diameter of the through hole in top shell.
The present invention gives prominence to compared to existing technology and useful technique effect is:
1, tooth gear one of the present invention, gear two, gear three, gear four engaging each other transmission is the helical tooth of peripheral hardware, and helical tooth engages each other transmission and has latch functions, therefore, has the problem preventing driving gear from skidding.
2, the present invention drives sucker successively by electromagnet, screw rod, the movement of lock plate, make between lock plate and brake disc and sealed between lock groove in latch and top shell, gear two is made to be locked together in top shell, and then make top shell and drain pan and gear one, gear two, gear three, gear four synchronous axial system, two the driving wheel synchronous axial system being arranged on two semiaxis on gear one and gear two and being fixed on two semiaxis, the driving wheel utilizing identical moment of torsion on two driving wheels to make to get down hopeless in a quagmire or skid in hollow coordinates with another driving wheel skidding place driving vehicle to leave mud pit, then electromagnet is closed, remove lock plate and brake disc and sealed between latch and top shell, vehicle enters normal travelling state.
3, the present invention is applicable to automobile differential.
Accompanying drawing explanation
Fig. 1 is the revolved sectional view of structural principle of the present invention.
Fig. 2 is schematic perspective view of the present invention.
Fig. 3 is the schematic perspective view of lock plate of the present invention.
Embodiment
Below in conjunction with accompanying drawing, with specific embodiment, the invention will be further described, see Fig. 1-Fig. 3:
There is the automobile differential of anti-skidding latch functions, the mesochite 13 comprising drain pan 11 and be connected on drain pan 11, the upside of drain pan 11 is provided with gear 1 and with gear 1 coaxial line and spaced gear 2 16, in gear 1 and the cavity between gear 2 16 and mesochite 13 axisymmetric be provided with a pair with the gear 3 14 of gear 1 engagement driving and a pair gear 4 15 with gear 3 14 engagement driving, gear 4 15 and gear 2 16 engagement driving, the upper-end surface of gear 2 16 is upwards extended with the optical axis portion 23 that the diameter of axle reduces successively, assembly department 24 and the shaft shoulder 25, optical axis portion 23 is slidably equipped with lock plate 17, the inner side of lock plate 17 upper-end surface is equipped with locking tooth 36, outside spacers is provided with latch 33, assembly department 24 is fixedly connected with brake disc 34, the lower end surface of brake disc 34 is provided with the lower locking tooth 35 be meshed with upper locking tooth 36, the shaft shoulder 25 of gear 2 16 is set with top shell 31, the lower end surface of top shell 31 is provided with the lock groove 32 matched with latch 33, the upper-end surface of top shell 31 is upwards extended with under the diameter of axle reduces successively, in, the upper shaft shoulder 30, 28, 27, the lower shaft shoulder 30 is slidably equipped with the sucker 20 of annular, the electromagnet 21 of adhesive sucker 20 is provided with in the shell 22 that the middle shaft shoulder 28 is set with, screw rod 19 by running through the through hole in top shell 31 between sucker 20 with lock plate 17 is fixedly connected with, optical axis portion 23 and the lower shaft shoulder 30 are provided with the gap that lock plate 17 and sucker 20 synchronously move axially, lock plate 17 is made to move the Returnning spring 18 of reset after circumference is evenly equipped with electromagnet 21 power-off between lock plate 17 and top shell 31, upper and lower described in literary composition is all be as the criterion with the direction in Fig. 1 shown in arrow, the inwall of mesochite 13 is provided with rotating shaft, and gear 3 14 and gear 4 15 are supported in the rotating shaft on mesochite 13 (not shown in FIG.) respectively.
Tooth said gear 1, gear 2 16, gear 3 14, gear 4 15 engaging each other transmission is the helical tooth of peripheral hardware.
Spacer sleeve 37 is provided with between said gear 1 and gear 2 16.For keeping the spacing between gear 1 and gear 2 16.
The upper surface of above-mentioned shell 22 is provided with plural locating stud 29.
Above-mentioned latch 33 and lock groove 32 correspondence are provided with more than three or four.
On the face that upper lock plate 17 is relative with top shell 31 circumference be arranged at intervals with three to or four to above groove 40, described Returnning spring 18 correspondence is provided with more than three or four and in the corresponding apical grafting groove 40 relative with top shell 31 at lock plate 17, the quantity of Returnning spring 18 depends on the size of spring force and the balanced intensity of reset, more than Returnning spring 18, the peripheral force be distributed between lock plate 17 with top shell 31 is more balanced.
The external diameter of above-mentioned screw rod 19 is less than the internal diameter of the through hole in top shell 31, and screw rod 19 can be free to slide in through hole.
During use, the live axle 41 of vehicle is rotated by the umbrella gear 38 of umbrella gear 39 drive installation on drain pan 11, umbrella gear 38 actuation gear 1 rotates, gear 1 actuation gear 3 14 rotates, gear 3 14 actuation gear 4 15 rotates, and gear 1 and gear 4 15 drive two semiaxis 10,26 to rotate respectively;
When the driving wheel of side is got down hopeless in a quagmire or skids in hollow, control electromagnet is energized, electromagnet drives sucker successively, screw rod, the movement of lock plate, make between lock plate and brake disc and sealed between lock groove in latch and top shell, gear two is made to be locked together in top shell, and then make top shell and drain pan and gear one, gear two, gear three, gear four synchronous axial system, two the driving wheel synchronous axial system being arranged on two semiaxis on gear one and gear two and being fixed on two semiaxis, make the to get down hopeless in a quagmire driving wheel of middle skidding of identical moment of torsion on two driving wheels is utilized to coordinate with another driving wheel skidding place driving vehicle to leave mud pit or hollow,
After vehicle enters normal road driving, close electromagnet, remove lock plate and brake disc and sealed between latch and top shell, differential mechanism of the present invention is the same with the normal usage function of conventional differential mechanism, and vehicle enters normal travelling state.
Above-described embodiment is only preferred embodiment of the present invention, not limits the scope of the invention according to this, therefore: all equivalence changes done according to structure of the present invention, shape, principle, all should be covered by within protection scope of the present invention.
Claims (7)
1. there is the automobile differential of anti-skidding latch functions, comprise drain pan and be connected to the mesochite on drain pan, it is characterized in that: the upside of drain pan is provided with gear one and with gear one coaxial line and spaced gear two, in gear one and the cavity between gear two and mesochite axisymmetric be provided with a pair with the gear three of gear one engagement driving and a pair gear four with gear three engagement driving, gear four and gear two engagement driving, the upper-end surface of gear two is upwards extended with the optical axis portion that the diameter of axle reduces successively, assembly department and the shaft shoulder, portion is slidably equipped with lock plate to optical axis, the inner side of lock plate upper-end surface is equipped with locking tooth, outside spacers is provided with latch, assembly department is fixedly connected with brake disc, the lower end surface of brake disc is provided with the lower locking tooth be meshed with upper locking tooth, the shaft shoulder of gear two is set with top shell, the lower end surface of top shell is provided with the lock groove matched with latch, the upper-end surface of top shell is upwards extended with under the diameter of axle reduces successively, in, the upper shaft shoulder, the lower shaft shoulder is slidably equipped with the sucker of annular, the electromagnet of adhesive sucker is provided with in the shell that the middle shaft shoulder is set with, screw rod by running through the through hole in top shell between sucker with lock plate is fixedly connected with, optical axis portion and the lower shaft shoulder are provided with the gap that lock plate and sucker synchronously move axially, lock plate is made to move the Returnning spring of reset after circumference is evenly equipped with electromagnet power-off between lock plate and top shell.
2. the automobile differential with anti-skidding latch functions according to claim 1, is characterized in that: the tooth described gear one, gear two, gear three, gear four engaging each other transmission is the helical tooth of peripheral hardware.
3. the automobile differential with anti-skidding latch functions according to claim 1 and 2, is characterized in that: be provided with spacer sleeve between described gear one and gear two.
4. the automobile differential with anti-skidding latch functions according to claim 1 and 2, is characterized in that: the upper surface of described shell is provided with plural locating stud.
5. the automobile differential with anti-skidding latch functions according to claim 1 and 2, is characterized in that: described latch and lock groove correspondence are provided with more than three or four.
6. the automobile differential with anti-skidding latch functions according to claim 1, it is characterized in that: on the face that described lock plate is relative with top shell circumference be arranged at intervals with three to or four to above groove, described Returnning spring correspondence be provided with more than three or four and corresponding apical grafting in the groove that lock plate is relative with top shell.
7. the automobile differential with anti-skidding latch functions according to claim 1, is characterized in that: the external diameter of described screw rod is less than the internal diameter of the through hole in top shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510703078.4A CN105202147B (en) | 2015-10-27 | 2015-10-27 | Automobile differential with anti-skidding latch functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510703078.4A CN105202147B (en) | 2015-10-27 | 2015-10-27 | Automobile differential with anti-skidding latch functions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105202147A true CN105202147A (en) | 2015-12-30 |
| CN105202147B CN105202147B (en) | 2019-01-04 |
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ID=54949996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510703078.4A Active CN105202147B (en) | 2015-10-27 | 2015-10-27 | Automobile differential with anti-skidding latch functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105202147B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113280094A (en) * | 2021-06-24 | 2021-08-20 | 北京海纳川汽车部件股份有限公司 | Differential gear |
| CN115031701A (en) * | 2022-08-11 | 2022-09-09 | 山东省国土测绘院 | Reservoir bathymetric survey equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5147252A (en) * | 1988-06-15 | 1992-09-15 | Group Lotus P/C | Differential unit |
| US5728024A (en) * | 1995-03-16 | 1998-03-17 | Tochigi Fuji Sangyo Kabushiki Kaisha | Differential apparatus |
| JP2008008481A (en) * | 2006-06-02 | 2008-01-17 | Ｇｋｎ ドライブライン トルクテクノロジー株式会社 | Differential device |
| CN203548788U (en) * | 2013-10-29 | 2014-04-16 | 郝建奇 | Limited slip differential |
| CN205136511U (en) * | 2015-10-27 | 2016-04-06 | 陈素兰 | Differential mechanism for vehicle with antiskid locking function |
-
2015
- 2015-10-27 CN CN201510703078.4A patent/CN105202147B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5147252A (en) * | 1988-06-15 | 1992-09-15 | Group Lotus P/C | Differential unit |
| US5728024A (en) * | 1995-03-16 | 1998-03-17 | Tochigi Fuji Sangyo Kabushiki Kaisha | Differential apparatus |
| JP2008008481A (en) * | 2006-06-02 | 2008-01-17 | Ｇｋｎ ドライブライン トルクテクノロジー株式会社 | Differential device |
| CN203548788U (en) * | 2013-10-29 | 2014-04-16 | 郝建奇 | Limited slip differential |
| CN205136511U (en) * | 2015-10-27 | 2016-04-06 | 陈素兰 | Differential mechanism for vehicle with antiskid locking function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113280094A (en) * | 2021-06-24 | 2021-08-20 | 北京海纳川汽车部件股份有限公司 | Differential gear |
| CN115031701A (en) * | 2022-08-11 | 2022-09-09 | 山东省国土测绘院 | Reservoir bathymetric survey equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105202147B (en) | 2019-01-04 |
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