CN203214685U - Constant velocity drive shaft assembly - Google Patents
Constant velocity drive shaft assembly Download PDFInfo
- Publication number
- CN203214685U CN203214685U CN 201320090412 CN201320090412U CN203214685U CN 203214685 U CN203214685 U CN 203214685U CN 201320090412 CN201320090412 CN 201320090412 CN 201320090412 U CN201320090412 U CN 201320090412U CN 203214685 U CN203214685 U CN 203214685U
- Authority
- CN
- China
- Prior art keywords
- jack shaft
- constant velocity
- damper
- shaft assembly
- drive shaft
- 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.)
- Expired - Lifetime
Links
Landscapes
- Motor Power Transmission Devices (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model provides a constant velocity drive shaft assembly and belongs to the technical field of automobiles. The constant velocity drive shaft assembly solves the problem that in the prior art, resonance happens easily between a constant velocity drive shaft and an engine. The constant velocity drive shaft assembly comprises an outer constant velocity universal joint, an inner constant velocity universal joint and an intermediate shaft. A damper is fixed on the intermediate shaft. The distance between the damper and the outer constant velocity universal joint is smaller than the distance between the damper and the inner constant velocity universal joint. The damper divides the intermediate shaft into a right intermediate shaft body and a left intermediate shaft body, and the diameter of the right intermediate shaft body is larger than the diameter of the left intermediate shaft body. The constant velocity drive shaft assembly improves the inherent frequency and the torsional rigidity of a drive shaft, avoids resonance with the engine, and can achieve the purpose of vibration attenuation at the same time.
Description
Technical field
The utility model belongs to automobile technical field, relates to a kind of live axle, particularly a kind of constant velocity driving shaft assembly.
Background technique
At present, along with the continuous development of automotive industry and improving constantly of people's living standard, people's quality of life is more and more higher, and automobile has become more and more general as people's the traffic tool.
Automobile makes motor racing by the constant velocity driving shaft assembly on the engine-driving chassis, constant velocity driving shaft assembly on the automobile has ectosphere cage, internal spherical cage and is arranged on jack shaft between ectosphere cage and the internal spherical cage, because the gap between subframe and the drive shaft assembly is less, it is smaller that the diameter of jack shaft also can only arrange.And the axle journal of jack shaft directly has influence on natural frequency and the torsional stiffness of drive shaft assembly, can cause resonance with motor under the situation of not taking measures.At present, people generally jack shaft fixedly damper reduce amplitude, and the optimum position mounting points of damper is the central point of jack shaft on the live axle, but the influence that this position is arranged by subframe is not easy to install.
There is above-mentioned problem for constant velocity driving shaft assembly of the prior art, so, for those skilled in the art, be still waiting to develop the problem that constant velocity driving shaft assembly is easy and the motor generation is resonated that a kind of new constant velocity driving shaft assembly is used for overcoming existing automobile.
Summary of the invention
The purpose of this utility model is to have the problems referred to above at existing technology, has proposed a kind of constant velocity driving shaft assembly, and this constant velocity driving shaft assembly has the strong characteristics of natural frequency height, good damping result and torsional stiffness.
The purpose of this utility model can realize by following technical proposal: a kind of constant velocity driving shaft assembly, comprise the ectosphere cage, internal spherical cage and the jack shaft that is fixed between the two, it is characterized in that, damper is fixedly arranged on the described jack shaft, distance between described damper and the ectosphere cage is less than the distance between damper and the internal spherical cage, described damper is separated into two sections with jack shaft, be that jack shaft between damper and the ectosphere cage is right jack shaft, jack shaft between damper and the internal spherical cage is left jack shaft, and the diameter of axle of described right jack shaft is greater than the diameter of axle of described left jack shaft.
This constant velocity driving shaft assembly, because the length of right jack shaft is less than the length of left jack shaft, and the axle journal of right jack shaft is greater than the axle journal of left jack shaft, and the material of jack shaft is uniformly, takes over slightly a bit so the barycenter of this jack shaft can drop on the mid point of jack shaft; In addition, because damper is mounted in the barycenter place of jack shaft, by such design, the mid point that damper just can be installed in jack shaft takes over a bit slightly, make damper can reach best damping effect, and when increasing intermediate journal, make the natural frequency of jack shaft and torsional stiffness all improve.
In above-mentioned constant velocity driving shaft assembly, the distance between described damper and the ectosphere cage and the ratio of the distance between described damper and the internal spherical cage are 2:3.Adopt such design just the barycenter of jack shaft can be fixed on the jack shaft mid point and take over slightly, thereby damper can be installed to the position that the jack shaft mid point takes over slightly.
In above-mentioned constant velocity driving shaft assembly, the diameter of axle of described left jack shaft is 1:1.2 with the ratio of the diameter of axle of right jack shaft.The diameter of axle than left jack shaft that the diameter of axle of right jack shaft is arranged is big, can make the barycenter of jack shaft drop on the jack shaft mid point and take over slightly.
In above-mentioned constant velocity driving shaft assembly, described jack shaft is one-body molded by the mode of cast.Adopt the jack shaft of moulding by casting easily manufactured, and easy processing, the convenient production in enormous quantities in enormous quantities.
In above-mentioned constant velocity driving shaft assembly, described damper is bolted on the described jack shaft by some.Adopt the damper fixing-stable of bolt, be difficult for making damper to split away off from jack shaft, influence the work of constant velocity driving shaft assembly.
As another situation, in above-mentioned constant velocity driving shaft assembly, described damper is fixed on the described jack shaft by the mode of welding.Adopt the fixing damper of welding manner to have fixing reliable and stable advantage, be difficult for making damper to split away off from jack shaft, influence the work of constant velocity driving shaft assembly.
Compared with prior art, this constant velocity driving shaft assembly has the following advantages: the axle journal than left jack shaft that arranges by the axle journal with right jack shaft is big, the length than left jack shaft that simultaneously length of right jack shaft is arranged is lacked, just the barycenter of jack shaft can be dropped on the position that the mid point of jack shaft takes over slightly, thereby the position that the centre that makes damper be installed in jack shaft takes over slightly, extenuate the problem that the damper insufficient space is installed between live axle and the subframe, but also natural frequency and the torsional stiffness of live axle have been improved, avoid the resonance that produces with motor, can also reach the purpose of vibration damping simultaneously.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Among the figure, 1, the ectosphere cage; 2, internal spherical cage; 3, jack shaft; 31, right jack shaft; 32, left jack shaft; 4, damper.
Embodiment
Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, a kind of constant velocity driving shaft assembly comprises ectosphere cage 1, internal spherical cage 2 and is fixed between the two jack shaft 3 that damper 4 is fixedly arranged on the jack shaft 3, and the distance between damper 4 and the ectosphere cage 1 is less than the distance between damper 4 and the internal spherical cage 2; And damper 4 is separated into two sections with jack shaft 3, and namely the jack shaft between damper 4 and the ectosphere cage 13 is right jack shaft 31, and the jack shaft 3 between damper 4 and the internal spherical cage 2 is left jack shaft 32, and the diameter of axle of right jack shaft 31 is greater than the diameter of axle of left jack shaft 32.
Specifically, damper 4 is the existing products that can buy on the market, the ratio of the distance between the distance between damper 4 and the ectosphere cage 1 and damper 4 and the internal spherical cage 2 is 2:3, the diameter of axle of left side jack shaft 32 is 1:1.2 with the ratio of the diameter of axle of right jack shaft 31, and its size can be made the modification that adapts by the difference of vehicle.In the present embodiment, jack shaft 3 is integrated by the mode of cast, adopts the jack shaft 3 of moulding by casting easily manufactured, and easy processing, the convenient production in enormous quantities in enormous quantities.The damper 4 that is arranged on the jack shaft 3 is to be fixed on the jack shaft 3 by clip, so that damper 4 fixing-stables, and be difficult for making damper 4 to split away off from jack shaft 3, influence the work of constant velocity driving shaft assembly.
This constant velocity driving shaft assembly, because the length of right jack shaft 31 is less than the length of left jack shaft 32, and the axle journal of right jack shaft 31 is greater than the axle journal of left jack shaft 32, and the material of jack shaft 3 is uniformly, takes over slightly a bit so the barycenter of this jack shaft 3 can drop on the mid point of jack shaft 3; In addition, because damper 4 is mounted in the barycenter place of jack shaft 3, by such design, the mid point that damper 4 just can be installed in jack shaft 3 takes over a bit slightly, make the natural frequency of jack shaft 3 and torsional stiffness all improve in the time of by increase jack shaft 3 axle journals, avoid the resonance that produces with motor, can also reach the purpose of best vibration damping simultaneously.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes 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 this paper has used 1, the ectosphere cage morely; 2, internal spherical cage; 3, jack shaft; 31, right jack shaft; 32, left jack shaft; 4, term such as damper, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (5)
1. constant velocity driving shaft assembly, comprise ectosphere cage (1), internal spherical cage (2) and be fixed between the two jack shaft (3), it is characterized in that, described jack shaft (3) is gone up fixedly damper (4), distance between described damper (4) and the ectosphere cage (1) is less than the distance between damper (4) and the internal spherical cage (2), described damper (4) is separated into two sections with jack shaft (3), be that jack shaft (3) between damper (4) and the ectosphere cage (1) is right jack shaft (31), jack shaft (3) between damper (4) and the internal spherical cage (2) is left jack shaft (32), and the diameter of axle of described right jack shaft (31) is greater than the diameter of axle of described left jack shaft (32).
2. constant velocity driving shaft assembly according to claim 1 is characterized in that, the ratio of the distance between the distance between described damper (4) and the ectosphere cage (1) and described damper (4) and the internal spherical cage (2) is 2:3.
3. constant velocity driving shaft assembly according to claim 1 is characterized in that, the ratio of the diameter of axle of the diameter of axle of described left jack shaft (32) and right jack shaft (31) is 1:1.2.
4. according to claim 1 or 2 or 3 described constant velocity driving shaft assemblies, it is characterized in that described jack shaft (3) is one-body molded by the mode of cast.
5. according to claim 1 or 2 or 3 described constant velocity driving shaft assemblies, it is characterized in that described damper (4) is fixed on the described jack shaft (3) by clip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320090412 CN203214685U (en) | 2013-02-28 | 2013-02-28 | Constant velocity drive shaft assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320090412 CN203214685U (en) | 2013-02-28 | 2013-02-28 | Constant velocity drive shaft assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203214685U true CN203214685U (en) | 2013-09-25 |
Family
ID=49204228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320090412 Expired - Lifetime CN203214685U (en) | 2013-02-28 | 2013-02-28 | Constant velocity drive shaft assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203214685U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179811A (en) * | 2014-08-30 | 2014-12-03 | 长城汽车股份有限公司 | Automobile constant speed driving shaft |
| CN104847842A (en) * | 2015-05-04 | 2015-08-19 | 温州聚泉汽车部件有限公司 | Constant velocity universal joint drive shaft with good damping effect |
| CN107380253A (en) * | 2017-03-31 | 2017-11-24 | 重庆长安汽车股份有限公司 | A kind of rack and pinion steering gear |
-
2013
- 2013-02-28 CN CN 201320090412 patent/CN203214685U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179811A (en) * | 2014-08-30 | 2014-12-03 | 长城汽车股份有限公司 | Automobile constant speed driving shaft |
| CN104847842A (en) * | 2015-05-04 | 2015-08-19 | 温州聚泉汽车部件有限公司 | Constant velocity universal joint drive shaft with good damping effect |
| CN107380253A (en) * | 2017-03-31 | 2017-11-24 | 重庆长安汽车股份有限公司 | A kind of rack and pinion steering gear |
| CN107380253B (en) * | 2017-03-31 | 2020-12-22 | 南京长安汽车有限公司 | Rack and pinion steering gear |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203186066U (en) | Right suspended pull rod of automobile engine | |
| CN204477176U (en) | A kind of Novel rear axle dynamic vibration absorber | |
| CN203214685U (en) | Constant velocity drive shaft assembly | |
| CN202491683U (en) | Intermediate support device for drive shaft | |
| CN202641344U (en) | Novel back pull rod suspension device | |
| CN204674324U (en) | A kind of automotive suspension upper control arm | |
| CN205632014U (en) | Automotive suspension | |
| CN204372013U (en) | Mounting bush before a kind of automobile and subframe thereof | |
| CN201304877Y (en) | Vehicle rubber suspension device with variable stiffness performance | |
| CN204172676U (en) | Dynamic assembly suspension structure and automobile | |
| CN202399882U (en) | Connecting draw bar | |
| CN202946600U (en) | Vibration isolation block of automobile shock absorber | |
| CN202439551U (en) | Automobile powertrain mounting connector | |
| CN204415120U (en) | A kind of power assembly hydraulic suspension of automobile | |
| CN202088922U (en) | Elastic hinge of vehicle overturn seat support | |
| CN204161025U (en) | A kind of upper junction plate of automobile absorber | |
| CN209654522U (en) | A kind of automobile resonance block assembly and automobile | |
| CN210128035U (en) | Automobile chassis transmission shaft damper device | |
| CN203651387U (en) | Stabilizer bar and bush assembly of automobile | |
| CN203297506U (en) | Novel spring shock absorber | |
| CN201736753U (en) | Composite spherical bushing | |
| CN202368325U (en) | Novel engine rear pull rod cushion | |
| CN202038365U (en) | Spherical shell forging | |
| CN101769354B (en) | Power assembly suspension device | |
| CN204025501U (en) | A kind of automobile absorber |
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: 20130925 |