CN201615201U - Connecting mechanism for differential assembly and drive shaft of half axle gear - Google Patents
Connecting mechanism for differential assembly and drive shaft of half axle gear Download PDFInfo
- Publication number
- CN201615201U CN201615201U CN2009203147017U CN200920314701U CN201615201U CN 201615201 U CN201615201 U CN 201615201U CN 2009203147017 U CN2009203147017 U CN 2009203147017U CN 200920314701 U CN200920314701 U CN 200920314701U CN 201615201 U CN201615201 U CN 201615201U
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- China
- Prior art keywords
- differential
- differential gear
- output flange
- transmission shaft
- bindiny mechanism
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Abstract
The utility model relates to a connecting mechanism for a differential assembly and a drive shaft of a half axle gear, which comprises the half axle gear and a differential housing, wherein a half axle gear gasket is arranged between the half axle gear and the differential housing; and the connecting mechanism is characterized in that the differential housing is provided with an axle hole concentric to that of the half axle gear, the half axle gear is connected with an output flange, one end of which penetrates through the axle hole on the differential housing to be connected with the axle hole of the half axle gear in a matching way, and the other end thereof is connected with the drive shaft. The connecting mechanism for the differential assembly and the drive shaft of the half axle gear can meet driving requirements of different road conditions and have convenient assembly, low noise and long service life.
Description
Technical field
The utility model relates to a kind of automobile differential, especially relates to a kind of bindiny mechanism of differential gear and transmission shaft of differential assembly.
Background technique
At present, the differential gear of the differential assembly part of saloon car transmission is being born the power that is imported into by transmission input shaft increases the power output after turning round through reduction of speed important function, and traditional what link to each other with differential assembly inner shaft gear internal spline is the spherical shell external splines of the internal spherical cage end of transmission shaft, and link to each other back internal spline and external splines adopt the hole to realize axially fastening with the annular groove that Steel Cable Baffle Ring snaps in internal spline and external splines.The annular groove that transmission shaft internal spherical cage end external splines and differential gear internal spline can appear in above-mentioned traditional fastening means has certain interval after the hole snaps in Steel Cable Baffle Ring, after long-time the use, this gap can increase, transmission shaft when the relatively poor road bump of road conditions travels, can occur and come off to portal and use Steel Cable Baffle Ring, even cause vehicle to travel.So the fastening means under the conventional construction is brought periodic replacement the hole inconvenience of Steel Cable Baffle Ring and potential safety hazard in use to the user.
The planetary pinion of the differential assembly of above-mentioned conventional construction and differential gear relative position can't be fixed, and promptly backlash is a changing value, and this changing value produces gear tooth noise.And traditional plug-in type transmission shaft can't guarantee with differential mechanism concentric, can cause differential mechanism oil sealing eccentric wear and damages oil sealing and then cause the speed changer leakage of oil.
Summary of the invention
The utility model mainly is that the planetary pinion and the differential gear relative position that solve the existing in prior technology differential assembly can't be fixed, be that backlash is a changing value, the technical problem of this changing value generation gear tooth noise etc., provide a kind of and can adapt to the different road conditions demand of travelling, and easy to assembly, noise is little, the bindiny mechanism of the differential gear of the differential assembly of long service life and transmission shaft.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of differential gear of differential assembly and the bindiny mechanism of transmission shaft, comprise differential gear, differential casing, be provided with the differential gear pad between differential gear and the differential casing, it is characterized in that described differential casing is provided with an axis hole concentric with the differential gear axis hole, differential gear links to each other with an output flange, one end of this output flange passes axis hole on the described differential casing and matches with the differential gear axis hole and be connected, and the other end of output flange links to each other with transmission shaft.Between the differential side gear of conventional construction and transmission shaft, add output flange as coupling, and this output flange and differential gear rigid connection.Output flange formula structure can solve the deficiency of conventional construction, the differential gear of the differential assembly of realization speed changer and the fastening connection of rigidity of output flange, and the connection of output flange and transmission shaft internal spherical cage end spherical shell also is the fastening connection of rigidity, solved automobile in motion, the potential safety hazard that bring with the inefficacy of Steel Cable Baffle Ring in the wearing and tearing of differential gear internal spline that traditional transmission shaft axial float brings and transmission shaft internal spherical cage end external splines and hole.And easy to assembly, noise is little, has also improved its working life.
As preferably, the right output port of the axis hole on the described differential casing is provided with an inner conical surface mouth, be provided with a suitable cone ring with it in this inner conical surface mouth, the endoporus of taper-face ring and the counterpart of output flange are suitable, the right-hand member of taper-face ring is provided with a spring limiting board, is provided with a damping spring between this spring limiting board and the output flange.Damping spring is fitted with output flange, spring limiting board respectively, and damping spring is subjected to the pretightening force of output flange under the screw-down torque of clamping bolt, this pretightening force promotes spring limiting board compression taper-face ring, taper-face ring is fitted with the differential casing inner conical surface under the effect of this power, thereby play the effect of regulating the output flange coaxality, reduce eccentric wear the differential mechanism oil sealing.
Simultaneously, output flange is under the pretightening force effect of damping spring, tightening nut compresses differential gear, the sphere of differential gear and differential gear pad is fitted constantly, this pretightening force also makes differential gear pad and differential casing inner ball surface fit constantly, the pretightening force of damping spring makes differential gear constant at the output flange axial position with respect to differential casing, and promptly differential gear and planetary backlash are consistent constantly.
As preferably, be provided with Steel Cable Baffle Ring between described inner conical surface mouth bottom and the taper-face ring left end.Taper-face ring is subjected to the effect of steel wire ring washer axial limiting.
As preferably, described taper-face ring is a conical surface copper ring.Copper taper-face ring has machining accuracy and guarantees easily, is difficult for getting rusty, is difficult for advantages such as aging.
As preferably, described output flange is provided with axial central through hole, the left distal end of this central through bore is provided with a step as spiral shell head supporting portion, be provided with a clamping bolt in the center is logical, the bolt head of this clamping bolt is located on the described step, and the bolt tail passes the central through bore left end and matches with a tightening nut.This Placement is convenient to dismounting, also can guarantee the coaxality requirement of its connection.
As preferably, described tightening nut outer surface is provided with ladder, and two ladder surface fits with the end and the differential gear of output flange respectively.Tightening nut adopts hierarchic structure to cooperate with differential gear, and clamping bolt makes tightening nut fit with the ladder surface and the output flange end face of differential gear simultaneously under the effect of screw-down torque.This fastening means can also make differential gear and differential gear pad no-float, the working life of having improved differential gear.
As preferably, described output flange is provided with output flange dust-break lid.Make this bindiny mechanism avoid effect of dust, improve its usability and life-span.
The beneficial effect that brings of the present utility model is, the planetary pinion and the differential gear relative position that have solved the existing in prior technology differential assembly can't be fixed, be that backlash is a changing value, the technical problem of this changing value generation gear tooth noise etc., realized a kind ofly adapting to the different road conditions demand of travelling, and easy to assembly, noise is little, the bindiny mechanism of the differential gear of the differential assembly of long service life and transmission shaft.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the present utility model.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: as shown in Figure 1, the utility model is a kind of bindiny mechanism of differential gear and transmission shaft of differential assembly, comprises differential gear 3, differential casing 1.Differential gear links to each other with an output flange 5, and an end of this output flange passes axis hole on the described differential casing and matches with the differential gear axis hole and be connected, and the other end of output flange links to each other with transmission shaft.Output flange is provided with axial central through hole, the left distal end of this central through bore is provided with a step as spiral shell head supporting portion, be provided with a clamping bolt 4 in the center is logical, firm bolt head is located on the described step, and the clamping bolt tail passes the central through bore left end and matches with a tightening nut 2.The tightening nut outer surface is provided with ladder, and two ladder surface fits with the end and the differential gear of output flange respectively.Output flange is provided with output flange dust-break lid 8.Be provided with differential gear pad 11 between differential gear and the differential casing, differential casing is provided with an axis hole concentric with the differential gear axis hole, the right output port of this axis hole is provided with an inner conical surface mouth, be provided with Steel Cable Baffle Ring 10 between this inner conical surface mouth bottom and the taper-face ring left end, be provided with a suitable cone copper ring 9 with it in the inner conical surface mouth, the endoporus of conical surface copper ring and the counterpart of output flange are suitable, the right-hand member of conical surface copper ring is provided with a spring limiting board 6, is provided with a damping spring 7 between this spring limiting board and the output flange.
Flange is as coupling, and this output flange and differential gear rigid connection.The differential gear of the differential assembly of realization speed changer and the fastening connection of rigidity of output flange, and the connection of output flange and transmission shaft internal spherical cage end spherical shell also is the fastening connection of rigidity, solved automobile in motion, the potential safety hazard that bring with the inefficacy of Steel Cable Baffle Ring in the wearing and tearing of differential gear internal spline that traditional transmission shaft axial float brings and transmission shaft internal spherical cage end external splines and hole.Damping spring is fitted with output flange, spring limiting board respectively, and damping spring is subjected to the pretightening force of output flange under the screw-down torque of clamping bolt, this pretightening force promotes spring limiting board compression taper-face ring, taper-face ring is fitted with the differential casing inner conical surface under the effect of this power, thereby play the effect of regulating the output flange coaxality, reduce eccentric wear the differential mechanism oil sealing.
Can adapt to different road conditions travel demand and easy to loading and unloading, the features such as noise is little, long service life so the utlity model has.
Claims (8)
1. the bindiny mechanism of the differential gear of a differential assembly and transmission shaft, comprise differential gear, differential casing, be provided with the differential gear pad between differential gear and the differential casing, it is characterized in that described differential casing (1) be provided with one with the concentric axis hole of differential gear (3) axis hole, differential gear links to each other with an output flange (5), one end of this output flange passes axis hole on the described differential casing and matches with the differential gear axis hole and be connected, and the other end of output flange links to each other with transmission shaft.
2. the bindiny mechanism of the differential gear of differential assembly according to claim 1 and transmission shaft, the right output port that it is characterized in that the axis hole on the described differential casing is provided with an inner conical surface mouth, be provided with a suitable cone ring with it in this inner conical surface mouth, the endoporus of taper-face ring and the counterpart of output flange are suitable, the right-hand member of taper-face ring is provided with a spring limiting board (6), is provided with a damping spring (7) between this spring limiting board and the output flange.
3. the bindiny mechanism of the differential gear of differential assembly according to claim 2 and transmission shaft is characterized in that being provided with Steel Cable Baffle Ring (10) between described inner conical surface mouth bottom and the taper-face ring left end.
4. the bindiny mechanism of the differential gear of differential assembly according to claim 2 and transmission shaft is characterized in that described taper-face ring is conical surface copper ring (9).
5. according to the differential gear of claim 1 or 2 or 3 or 4 described differential assemblies and the bindiny mechanism of transmission shaft, it is characterized in that described output flange is provided with axial central through hole, the left distal end of this central through bore is provided with a step as spiral shell head supporting portion, be provided with a clamping bolt (4) in the center is logical, the bolt head of this clamping bolt is located on the described step, and the bolt tail passes the central through bore left end and matches with a tightening nut (2).
6. the bindiny mechanism of the differential gear of differential assembly according to claim 5 and transmission shaft is characterized in that described tightening nut outer surface is provided with ladder, and two ladder surface fits with the end and the differential gear of output flange respectively.
7. according to the differential gear of claim 1 or 2 or 3 or 4 described differential assemblies and the bindiny mechanism of transmission shaft, it is characterized in that described output flange is provided with output flange dust-break lid (8).
8. the bindiny mechanism of the differential gear of differential assembly according to claim 5 and transmission shaft is characterized in that described output flange is provided with output flange dust-break lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203147017U CN201615201U (en) | 2009-11-13 | 2009-11-13 | Connecting mechanism for differential assembly and drive shaft of half axle gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203147017U CN201615201U (en) | 2009-11-13 | 2009-11-13 | Connecting mechanism for differential assembly and drive shaft of half axle gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201615201U true CN201615201U (en) | 2010-10-27 |
Family
ID=43001570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203147017U Expired - Lifetime CN201615201U (en) | 2009-11-13 | 2009-11-13 | Connecting mechanism for differential assembly and drive shaft of half axle gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201615201U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563002A (en) * | 2010-11-08 | 2012-07-11 | 吉凯恩传动系统日本株式会社 | Differential apparatus |
| CN102997941A (en) * | 2012-12-06 | 2013-03-27 | 贵州华阳电工有限公司 | Double-shaft differential type trigger structure |
| CN103603937A (en) * | 2013-11-29 | 2014-02-26 | 重庆蓝黛动力传动机械股份有限公司 | Planet half-shaft gear gasket |
| CN105626815A (en) * | 2016-03-18 | 2016-06-01 | 力帆实业(集团)股份有限公司 | Differential mechanism |
| CN107763168A (en) * | 2017-11-02 | 2018-03-06 | 西安法士特汽车传动有限公司 | A kind of axial elasticity position limiting structure of automobile axle shaft |
| CN109253224A (en) * | 2018-10-30 | 2019-01-22 | 汽解放汽车有限公司 | A kind of drive axle lightweight transmission component |
-
2009
- 2009-11-13 CN CN2009203147017U patent/CN201615201U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563002A (en) * | 2010-11-08 | 2012-07-11 | 吉凯恩传动系统日本株式会社 | Differential apparatus |
| US9188213B2 (en) | 2010-11-08 | 2015-11-17 | GKN Driveline Japan Ltd. | Differential apparatus |
| CN102997941A (en) * | 2012-12-06 | 2013-03-27 | 贵州华阳电工有限公司 | Double-shaft differential type trigger structure |
| CN103603937A (en) * | 2013-11-29 | 2014-02-26 | 重庆蓝黛动力传动机械股份有限公司 | Planet half-shaft gear gasket |
| CN103603937B (en) * | 2013-11-29 | 2016-03-02 | 重庆蓝黛动力传动机械股份有限公司 | A kind of planet half-shaft gear gasket |
| CN105626815A (en) * | 2016-03-18 | 2016-06-01 | 力帆实业(集团)股份有限公司 | Differential mechanism |
| CN105626815B (en) * | 2016-03-18 | 2018-05-29 | 力帆实业(集团)股份有限公司 | A kind of differential mechanism |
| CN107763168A (en) * | 2017-11-02 | 2018-03-06 | 西安法士特汽车传动有限公司 | A kind of axial elasticity position limiting structure of automobile axle shaft |
| CN107763168B (en) * | 2017-11-02 | 2023-09-08 | 西安法士特汽车传动有限公司 | Axial elastic limit structure of automobile half shaft |
| CN109253224A (en) * | 2018-10-30 | 2019-01-22 | 汽解放汽车有限公司 | A kind of drive axle lightweight transmission component |
| CN109253224B (en) * | 2018-10-30 | 2023-06-06 | 一汽解放汽车有限公司 | Driving axle lightweight transmission assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101027 |