CN203730690U - Improved-structure lock-type differential - Google Patents
Improved-structure lock-type differential Download PDFInfo
- Publication number
- CN203730690U CN203730690U CN201420097495.XU CN201420097495U CN203730690U CN 203730690 U CN203730690 U CN 203730690U CN 201420097495 U CN201420097495 U CN 201420097495U CN 203730690 U CN203730690 U CN 203730690U
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- differential
- gear
- differential casing
- ring
- positioning shaft
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Abstract
The utility model belongs to the technical field of automobile accessories, particularly relates to an improved-structure lock-type differential and solves the technical problems of short service life and the like in the prior art. The improved-structure lock-type differential comprises a differential shell, two kidney-shaped through holes are arranged on the differential shell, two mounting passages communicated with the inside of the differential shell are arranged on the differential shell, a half axle gear is arranged in each mounting passage, a positioning shaft is penetratingly arranged on the differential shell, bevel gears meshed with the corresponding half axle gear are arranged at two ends of each positioning shaft, an antiwear sleeve sleeving on the corresponding half axle gear is arranged in each mounting passage, an oil storage structure is arranged on the inner wall of each antiwear sleeve, an annular helical gear fixedly connected with the differential shell is arranged on the periphery of the differential shell in a sleeved manner, a first annular slope is arranged at one end of the inner wall of the annular helical shell, and a second annular slope coincident with the first annular slope is arranged on the differential shell. The improved-structure lock-type differential has the advantage of long service life.
Description
Technical field
The utility model belongs to auto parts machinery technical field, especially relates to a kind of structure improved locking differential.
Background technique
Automobile differential is the main part of ransaxle, the power of motor car engine, through clutch, speed changer, transmission shaft, is finally sent to ransaxle and distributes to semiaxis driving wheel in left and right again, in this power transmission approach, ransaxle is last assembly, and its critical piece is retarder and differential mechanism.Differential mechanism is a kind of can be made to rotatablely move and reach two axles from an axle, and makes the latter each other can be with the differential attachment of different rotating speeds rotation, and it is generally comprised of gear.Differential mechanism on automobile, tractor is positioned at back axle, differential shell, planetary pinion and differential gear, consists of; Its effect is exactly in the semiaxis transferring power of both sides, allows both sides semiaxis with different rotating speed rotations, meets two sidecar wheels and with the form of pure rolling, does equidistantly not travel as far as possible, reduces the friction on tire and ground.Differential gear and the lubrication effect between differential carrier of existing automobile differential are poor, cause wearing and tearing very serious, in addition, differential carrier is generally by its rotation of driving gear drives (being connected with engine power output terminal), and connective stability between existing differential carrier and driving gear drives is poor, virtually reduced the practicability of differential mechanism.
Model utility content
The purpose of this utility model is for the problems referred to above, and a kind of structure improved locking differential that can increase the service life and improve connective stability is provided.
For achieving the above object, the utility model has adopted following technical proposal: this structure improved locking differential comprises differential casing, on differential casing, be provided with two and symmetrically arranged waist through hole, on differential casing, there are two installation passages with its internal communication, in installing passage, each is respectively equipped with the differential gear that can rotate relative to differential casing, on differential casing, be equipped with the positioning shaft between described differential gear, at the two ends of positioning shaft, be respectively equipped with the umbrella gear with the engagement of described differential gear, it is characterized in that, in installing passage, each is respectively equipped with the wearing bush being enclosed within on differential gear, at wearing bush inwall, be provided with oil-bearing structure, described differential casing outer race is provided with the ring-type helical gear being connected with it, in the helical gear inwall of ring-type one end, be provided with the first annular ramp, on differential casing, be provided with when ring-type helical gear is fixed on differential casing and the second annular ramp that the first described annular Slope Facies coincide, between described differential casing and ring-type helical gear, be provided with circumferential positioning structure.The first annular ramp can improve the stability while being connected after coincideing with the second annular ramp, same such structure has also just strengthened non-deformability, guarantees structural strength, and secondly oil-bearing structure plays the lubricity improving while rotating, guarantee stationarity, guarantee working life.
In above-mentioned structure improved locking differential, described circumferential positioning structure comprises the keyway being arranged in the first annular ramp, is provided with the flat key that can insert in described keyway in the second annular ramp.
In above-mentioned structure improved locking differential, described oil-bearing structure comprises the helical groove that is arranged on wearing bush inwall, and described helical groove is the combination of any one or two kinds in right-handed screw groove and backpitch groove.Oil-bearing structure can also be capillary oil storage tank etc. structure.
In above-mentioned structure improved locking differential, described differential casing sidepiece is provided with two and symmetrically arranged arc platform, is provided with threaded end and is located in respectively in positioning shaft and the fastening screw trip bolt being threaded with positioning shaft on each arc platform.
In above-mentioned structure improved locking differential, described ring-type helical gear is arc helical tooth wheel.
Compared with prior art, the advantage of this structure improved locking differential is: 1, design is more reasonable, has the effect of selflubricating, reduces the friction between component, secondly can also increase the service life, and guarantees the stationarity of rotating; 2, the high and good stability of join strength.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model provides.
Fig. 2 is A place structure for amplifying schematic diagram in Fig. 1.
Fig. 3 is the wearing bush structural representation that the utility model provides.
In figure, differential casing 1, waist through hole 11, installation passage 12, the second annular ramp 13, flat key 13b, arc platform 14, fastening screw trip bolt 15, differential gear 2, positioning shaft 3, umbrella gear 31, wearing bush 4, helical groove 41, ring-type helical gear 5, the first annular ramp 51, keyway 51a.
Embodiment
Be below the specific embodiment by reference to the accompanying drawings of model utility, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As Figure 1-3, this structure improved locking differential comprises differential casing 1, on differential casing 1, be provided with two and symmetrically arranged waist through hole 11, on differential casing 1, there are two installation passages 12 with its internal communication, in installing passage 12, each is respectively equipped with the differential gear 2 that can rotate relative to differential casing 1, on differential casing 1, be equipped with the positioning shaft 3 between described differential gear 2, in order to improve the stability of positioning shaft 3, at differential casing 1 sidepiece, be provided with two and symmetrically arranged arc platform 14, on each arc platform 14, being provided with threaded end is located in respectively in positioning shaft 3 and the fastening screw trip bolt 15 being threaded with positioning shaft 3,
At the two ends of positioning shaft 3, be respectively equipped with the umbrella gear 31 with 2 engagements of described differential gear, in installing passage 12, each is respectively equipped with the wearing bush 4 being enclosed within on differential gear 2, at wearing bush 4 inwalls, be provided with oil-bearing structure, described differential casing 1 outer race is provided with the ring-type helical gear 5 being connected with it, this ring-type helical gear 5 is arc helical tooth wheel, in inwall one end of ring-type helical gear 5, be provided with the first annular ramp 51, on differential casing 1, be provided with when ring-type helical gear 5 is fixed on differential casing 1 and the second annular ramp 13 that the first described annular ramp 51 matches, between described differential casing 1 and ring-type helical gear 5, be provided with circumferential positioning structure,
The circumferential positioning structure of the present embodiment comprises the keyway 51a being arranged in the first annular ramp 51, is provided with the flat key 13b that can insert in described keyway 51a in the second annular ramp 13.Secondly, oil-bearing structure comprises the helical groove 41 that is arranged on wearing bush 4 inwalls, and described helical groove 41 is the combination of any one or two kinds in right-handed screw groove and backpitch groove.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used differential casing 1, waist through hole 11 herein, the terms such as passage 12, the second annular ramp 13, flat key 13b, arc platform 14, fastening screw trip bolt 15, differential gear 2, positioning shaft 3, umbrella gear 31, wearing bush 4, helical groove 41, ring-type helical gear 5, the first annular ramp 51, keyway 51a be installed, do not got rid of the possibility of using other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (5)
1. a structure improved locking differential, comprise differential casing (1), on differential casing (1), be provided with two and symmetrically arranged waist through hole (11), on differential casing (1), there are two installation passages (12) with its internal communication, in installing passage (12), each is respectively equipped with the differential gear (2) that can rotate relative to differential casing (1), on differential casing (1), be equipped with the positioning shaft (3) being positioned between described differential gear (2), at the two ends of positioning shaft (3), be respectively equipped with the umbrella gear (31) with described differential gear (2) engagement, it is characterized in that, in installing passage (12), each is respectively equipped with the wearing bush (4) being enclosed within on differential gear (2), at wearing bush (4) inwall, be provided with oil-bearing structure, described differential casing (1) outer race is provided with the ring-type helical gear (5) being connected with it, in inwall one end of ring-type helical gear (5), be provided with the first annular ramp (51), on differential casing (1), be provided with the second annular ramp (13) when ring-type helical gear (5) was fixed on differential casing (1) when upper and described the first annular ramp (51) matches, between described differential casing (1) and ring-type helical gear (5), be provided with circumferential positioning structure.
2. structure improved locking differential according to claim 1, it is characterized in that, described circumferential positioning structure comprises the keyway (51a) being arranged in the first annular ramp (51), is provided with the flat key (13b) that can insert in described keyway (51a) in the second annular ramp (13).
3. structure improved locking differential according to claim 1 and 2, it is characterized in that, described oil-bearing structure comprises the helical groove (41) that is arranged on wearing bush (4) inwall, and described helical groove (41) is the combination of any one or two kinds in right-handed screw groove and backpitch groove.
4. structure improved locking differential according to claim 3, it is characterized in that, described differential casing (1) sidepiece is provided with two and symmetrically arranged arc platform (14), is provided with threaded end and is located in respectively in positioning shaft (3) and the fastening screw trip bolt (15) being threaded with positioning shaft (3) on each arc platform (14).
5. structure improved locking differential according to claim 3, is characterized in that, described ring-type helical gear (5) is arc helical tooth wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420097495.XU CN203730690U (en) | 2014-03-05 | 2014-03-05 | Improved-structure lock-type differential |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420097495.XU CN203730690U (en) | 2014-03-05 | 2014-03-05 | Improved-structure lock-type differential |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203730690U true CN203730690U (en) | 2014-07-23 |
Family
ID=51200767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420097495.XU Expired - Fee Related CN203730690U (en) | 2014-03-05 | 2014-03-05 | Improved-structure lock-type differential |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203730690U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106545617A (en) * | 2015-09-17 | 2017-03-29 | 天津天重中直科技工程有限公司 | A kind of new agitator umbrella gear box |
| CN108644316A (en) * | 2018-06-20 | 2018-10-12 | 苏州法斯顿动力科技有限公司 | A kind of novel right speed reducer structure |
-
2014
- 2014-03-05 CN CN201420097495.XU patent/CN203730690U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106545617A (en) * | 2015-09-17 | 2017-03-29 | 天津天重中直科技工程有限公司 | A kind of new agitator umbrella gear box |
| CN108644316A (en) * | 2018-06-20 | 2018-10-12 | 苏州法斯顿动力科技有限公司 | A kind of novel right speed reducer structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20150305 |
|
| EXPY | Termination of patent right or utility model |