CN203730693U - Lock differential assembly - Google Patents
Lock differential assembly Download PDFInfo
- Publication number
- CN203730693U CN203730693U CN201420097372.6U CN201420097372U CN203730693U CN 203730693 U CN203730693 U CN 203730693U CN 201420097372 U CN201420097372 U CN 201420097372U CN 203730693 U CN203730693 U CN 203730693U
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- CN
- China
- Prior art keywords
- differential
- differential casing
- gear
- fixture block
- casing
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Abstract
The utility model belongs to the technical field of automobile parts, particularly relates to a lock differential assembly and solves the technical problems that the prior differential assembly is poor in practicability. The lock differential assembly comprises a differential housing which is tubular in shape; one end of the differential housing is provided with an extension which is provided with a first mounting passage; the other end of the differential housing is provided with a second mounting passage; a first axle shaft gear is disposed in the first mounting passage; a second axle shaft gear is disposed in the second mounting passage; bevel gears meshing with the first axle shaft gear and the second axle shaft gear are both arranged in the differential housing; the bevel gears are disposed at two ends of a positioning shaft respectively; two ends of the positioning shaft penetrate the differential housing; two ends of the positioning shaft are flat; fastening blocks fastened to the flat ends are arranged on the differential housing. The lock differential assembly is highly practicable and easy to assemble.
Description
Technical field
The utility model belongs to auto parts machinery technical field, especially relates to a kind of locking differential assembly.
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 one can make to rotatablely move and reach two axles from an axle, and the differential attachment that the latter can be rotated with different rotating speeds each other, and it is generally made up of gear.Differential mechanism on automobile, tractor is positioned at back axle, is made up of differential shell, planetary pinion and differential gear; 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 does equidistantly not travel with the form of pure rolling as far as possible, reduces the friction on tire and ground.It is difficult for the planet wheel shaft (fixing two umbrella gear) of existing automobile differential installing and fixing, manufacturing efficiency is low and cannot meet production requirement, in addition, the actuation gear being connected with motive clutch end is difficult for being connected with differential carrier is stable, thereby cannot meet usage requirement.
Model utility content
The purpose of this utility model is for the problems referred to above, provides a kind of design more rationally and more practical locking differential assembly.
For achieving the above object, the utility model has adopted following technical proposal: this locking differential assembly comprises and is differential casing cylindraceous, there is the extension part being connected as a single entity with differential casing in one end of differential casing, be provided with the first installation passage in the axial centre of extension part, have and coaxial the second installation passage arranging of the first described installation passage at the other end of differential casing, in the first installation passage, be provided with the first differential gear, in the second installation passage, be provided with the second differential gear, in differential casing, be provided with two umbrella gear that are meshed with described the first differential gear and the second differential gear respectively, two ends and this positioning shaft two ends that described umbrella gear is separately positioned on positioning shaft are located on differential casing, there is flat section at positioning shaft two ends, on differential casing, be provided with the fixture block that is stuck in described flat section end, between described fixture block and differential casing, be connected by removable structure, on differential casing, be provided with the curve bath inserting for described fixture block, described fixture block is provided with the arc shaped surface matching with described curve bath bottom land, described extension part is hexagon body, on differential casing, be provided with two and symmetrically arranged through hole, described through hole is installed channel connection with the first installation passage and second respectively, there is convex annular edge at differential casing away from one end of extension part, there is the fixing ear of some even circumferentials distributions and be respectively equipped with fixed hole on each fixing ear at the sidepiece on convex annular edge.Convex annular can be used for installing actuation gear along upper fixing ear, easy for installation and simple, and in addition, the such Placement of fixture block and flat section can prevent positioning shaft axial float and circumferentially rotate, ensure the stability of positioning shaft.
In above-mentioned locking differential assembly, described fixture block comprises strip shape body, has the draw-in groove inserting for described flat section at the middle part of strip shape body.This draw-in groove takes the shape of the letter U.
In above-mentioned locking differential assembly, described fixing ear thickness equates with convex annular edge.This structure is easy to produce and manufacture.
In above-mentioned locking differential assembly, described differential casing, extension part, convex annular edge and the moulding of fixing ear integrated die-casting.This structure has advantages of that cost is low and structural strength is high.
Compared with prior art, the advantage of this locking differential assembly is: 1, design is more reasonable, is easy to install and assembling, can enhance productivity and improve structural strength; 2, can prevent positioning shaft axial float and circumferentially rotate practical and long service life.
Brief description of the drawings
Fig. 1 is the structural representation that the utility model provides.
Fig. 2 is the plan structure schematic diagram of Fig. 1.
Fig. 3 is A place structure for amplifying schematic diagram in Fig. 1.
In figure, differential casing 1, second install passage 11, curve bath 12, through hole 13, convex annular along 14, fixing ear 15, fixed hole 15a, extension part 2, first install passage 21, the first differential gear 3, the second differential gear 4, umbrella gear 5, positioning shaft 6, flat section 61, fixture block 7, arc shaped surface 7a, strip shape body 71, draw-in groove 72.
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 locking differential assembly comprises and is differential casing 1 cylindraceous, there is the extension part 2 being connected as a single entity with differential casing 1 in one end of differential casing 1, be provided with the first installation passage 21 in the axial centre of extension part 2, have and coaxial the second installation passage 11 arranging of the first described installation passage 21 at the other end of differential casing 1, in the first installation passage 21, be provided with the first differential gear 3, in the second installation passage 11, be provided with the second differential gear 4, in differential casing 1, be provided with two umbrella gear 5 that are meshed with described the first differential gear 3 and the second differential gear 4 respectively, two ends and this positioning shaft 6 two ends that described umbrella gear 5 is separately positioned on positioning shaft 6 are located on differential casing 1,
In order to strengthen join strength, prevent positioning shaft 6 axial floats and circumferentially rotate, there is flat section 61 at positioning shaft 6 two ends, on differential casing 1, be provided with the fixture block 7 that is stuck in described flat section 61 ends, between described fixture block 7 and differential casing 1, be connected by removable structure, on differential casing 1, be provided with the curve bath 12 inserting for described fixture block 7, described fixture block 7 is provided with the arc shaped surface 7a matching with described curve bath 12 bottom lands, described extension part 2 is hexagon body, on differential casing 1, be provided with two and symmetrically arranged through hole 13, described through hole 13 is installed passage 11 with the first installation passage 21 and second respectively and is communicated with, there is convex annular along 14 at differential casing 1 away from one end of extension part 2, there is the fixing ear 15 of some even circumferentials distributions in convex annular along 14 sidepiece and be respectively equipped with fixed hole 15a on each fixing ear 15, optimized project, fixing ear 15 thickness here equate along 14 with convex annular.Convex annular can be used for stationary drive gear along the fixing ear 15 on 14.
The fixture block 7 of the present embodiment comprises strip shape body 71, has the draw-in groove 72 inserting for described flat section 61 at the middle part of strip shape body 71.In addition, the differential casing 1 of the present embodiment, extension part 2, convex annular are along 14 and the 15 integrated die-casting moulding of fixing ear, and this structure has not only improved manufacturing efficiency, but also improves structural strength, and manufacture cost is lower.
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 amendments 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 herein differential casing 1, second install passage 11, curve bath 12, through hole 13, convex annular along 14, fixing ear 15, fixed hole 15a, extension part 2, first install the terms such as passage 21, the first differential gear 3, the second differential gear 4, umbrella gear 5, positioning shaft 6, flat section 61, fixture block 7, arc shaped surface 7a, strip shape body 71, draw-in groove 72, do not get rid of the possibility that uses 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 (4)
1. a locking differential assembly, comprise and be differential casing cylindraceous (1), there is the extension part (2) being connected as a single entity with differential casing (1) in one end of differential casing (1), be provided with the first installation passage (21) in the axial centre of extension part (2), have and coaxial the second installation passage (11) arranging of the first described installation passage (21) at the other end of differential casing (1), in the first installation passage (21), be provided with the first differential gear (3), in the second installation passage (11), be provided with the second differential gear (4), in differential casing (1), be provided with two umbrella gear (5) that are meshed with described the first differential gear (3) and the second differential gear (4) respectively, two ends and this positioning shaft (6) two ends that described umbrella gear (5) is separately positioned on positioning shaft (6) are located on differential casing (1), it is characterized in that, described positioning shaft (6) two ends have flat section (61), on differential casing (1), be provided with the fixture block (7) that is stuck in described flat section (61) end, between described fixture block (7) and differential casing (1), be connected by removable structure, on differential casing (1), be provided with the curve bath (12) inserting for described fixture block (7), described fixture block (7) is provided with the arc shaped surface (7a) matching with described curve bath (12) bottom land, described extension part (2) is hexagon body, on differential casing (1), be provided with two and symmetrically arranged through hole (13), described through hole (13) is installed passage (11) with the first installation passage (21) and second respectively and is communicated with, there is convex annular along (14) at differential casing (1) away from one end of extension part (2), there is the fixing ear (15) of some even circumferentials distributions and on each fixing ear (15), be respectively equipped with fixed hole (15a) along the sidepiece of (14) in convex annular.
2. locking differential assembly according to claim 1, is characterized in that, described fixture block (7) comprises strip shape body (71), has the draw-in groove (72) inserting for described flat section (61) at the middle part of strip shape body (71).
3. locking differential assembly according to claim 1 and 2, is characterized in that, described fixing ear (15) thickness equates along (14) with convex annular.
4. locking differential assembly according to claim 3, is characterized in that, described differential casing (1), extension part (2), convex annular edge (14) and fixing ear (15) integrated die-casting moulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420097372.6U CN203730693U (en) | 2014-03-05 | 2014-03-05 | Lock differential assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420097372.6U CN203730693U (en) | 2014-03-05 | 2014-03-05 | Lock differential assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203730693U true CN203730693U (en) | 2014-07-23 |
Family
ID=51200769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420097372.6U Expired - Fee Related CN203730693U (en) | 2014-03-05 | 2014-03-05 | Lock differential assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203730693U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106678327A (en) * | 2016-12-26 | 2017-05-17 | 湖北航天技术研究院特种车辆技术中心 | Differential mechanism assembly |
| CN107023638A (en) * | 2016-01-14 | 2017-08-08 | 丰田自动车株式会社 | The method of testing of differential mechanism, the coupling spindle for its test device and differential mechanism |
-
2014
- 2014-03-05 CN CN201420097372.6U patent/CN203730693U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023638A (en) * | 2016-01-14 | 2017-08-08 | 丰田自动车株式会社 | The method of testing of differential mechanism, the coupling spindle for its test device and differential mechanism |
| CN106678327A (en) * | 2016-12-26 | 2017-05-17 | 湖北航天技术研究院特种车辆技术中心 | Differential mechanism assembly |
| CN106678327B (en) * | 2016-12-26 | 2019-08-06 | 湖北航天技术研究院特种车辆技术中心 | Differential assembly |
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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 |