CN103438087B - A kind of scalable constant-velocity transmission shaft - Google Patents
A kind of scalable constant-velocity transmission shaft Download PDFInfo
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- CN103438087B CN103438087B CN201310399882.9A CN201310399882A CN103438087B CN 103438087 B CN103438087 B CN 103438087B CN 201310399882 A CN201310399882 A CN 201310399882A CN 103438087 B CN103438087 B CN 103438087B
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- transmission shaft
- expansion link
- sleeve
- rolling part
- loop bar
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Abstract
<b>the present invention relates to a kind of truck drive shaft, say it is a kind of scalable constant-velocity transmission shaft more specifically. Comprise transmission shaft and it is arranged at the universal joint at transmission shaft two ends, described transmission shaft comprises the loop bar of socket mutually, sliding bar and the rolling part being arranged between loop bar and sliding bar and resilient snubber, the coupling end that described loop bar is connected with sliding bar is provided with sleeve, the coupling end that described sliding bar is connected with loop bar is provided with the expansion link of insertion sleeve, and described resilient snubber and rolling part are arranged at before expansion link end face and on the surface respectively. The present invention provides a kind of scalable constant-velocity transmission shaft, freely stretching and the snubber assembly in axle by transmission shaft, absorb the surging force that automobile is subject to when bumpy sections travels, reduce the shock action to universal joint, prevent universal joint because impacting for damaging, improve the shock resistance of automobile and the comfortable property of traveling simultaneously.</b>
Description
Technical field
The present invention relates to a kind of truck drive shaft, say it is a kind of scalable constant-velocity transmission shaft more specifically.
Background technology
The key part that truck drive shaft always becomes as constant velocity cardan joint, for connecting the universal joint at two ends, transmits power and moment of torsion. Transmission shaft between usual two universal joints is single axle, does not have retractility. When running car can not provide buffering when jolting on road, the impact impact of universal joint is bigger so that universal joint easily damages, and affects the comfortable property of vehicle movement simultaneously. Such as: the patent No. is that CN202301514U discloses a kind of constant velocity cardan joint and always becomes, comprise left and right driving semiaxis, the tunnel shaft of described left and right driving semiaxis is respectively arranged with rubber viscous deoscillator, its shortcoming can only reduce constant velocity cardan joint always to become the vibrating noise produced, and can not solve the shock problem that automobile produces when jolting and travel on road.
Summary of the invention
Technical problem to be solved by this invention is just to provide a kind of scalable constant-velocity transmission shaft, and flexible by axle absorbs surging force, strengthens the antidetonation ability of automobile, it is to increase the comfortable property of vehicle.
For solving the problems of the technologies described above, the technical scheme of the present invention is: a kind of scalable constant-velocity transmission shaft, comprise transmission shaft and it is arranged at the universal joint at transmission shaft two ends, transmission shaft comprises the loop bar of socket mutually, sliding bar and the rolling part being arranged between loop bar and sliding bar and resilient snubber, the coupling end that loop bar is connected with sliding bar is provided with sleeve, the coupling end that sliding bar is connected with loop bar is provided with the expansion link inserting sleeve, and resilient snubber and rolling part are arranged at before expansion link end face and on the surface respectively.
As preferably, the surface of described sleeve lining and expansion link circumferentially array offer mutually corresponding chute, be provided with rolling part in chute, and rolling part is steel ball. Expansion link slides steadily in sleeve, frictional force is little, makes expansion link can only axially move and can not rotate in sleeve simultaneously, ensure that the moment transmission of transmission shaft.
As preferably, the inner, sleeve cylinder chamber is provided with limited impression, and resilient snubber one end is arranged in limited impression, prevents it from moving in sleeve and affect flexible for fixing resilient snubber; The other end is against before expansion link on end face, provides buffering when expansion link is flexible.
As preferably, described expansion link front end is provided with protruding limited block, and resilient snubber is set on limited block, can be limited its end face slippage before expansion link when resilient snubber compresses.
As preferably, described sleeve tube port position is provided with for preventing rolling part from rolling out the back-up ring of sleeve along chute.
As preferably, described expansion link front end is provided with annular spacing groove, installs gear ring in spacing groove, prevents expansion link from skidding off sleeve because amount of tension is excessive when stretching, with the rolling part in limit expansion link upper hopper chute, in order to avoid skidding off chute and fall in sleeve when stretching.
As preferably, described gear ring being provided with for keeping off the uncovered installation portion of ring, can entering in spacing groove by gear ring card easily when mounted, uncovered installation portion enhances the scalable property of gear ring simultaneously, provides certain elastic buffer when extruding or stretch.
As preferably, described chute is 3-8 bar, the bar face of expansion link is contacted all the time on rolling part, avoids the contact internal walls of expansion link and sleeve to increase friction and affect telescopicing performance, and transmit torsion at expansion link and torsion evenly can be disperseed to the rolling part in chute to during sleeve.
The useful effect of the present invention: the present invention provides a kind of scalable constant-velocity transmission shaft, freely stretching and the snubber assembly in sleeve by transmission shaft, absorb the surging force that automobile is subject to when bumpy sections travels, reduce the shock action to universal joint, prevent universal joint because impacting for damaging, improve the shock resistance of automobile and the comfortable property of traveling simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the partial enlargement figure of A in Fig. 1.
Fig. 3 is the sectional view of B-B in Fig. 2.
Fig. 4 is the sectional view of C-C in Fig. 2.
In figure, 1-transmission shaft; 2-universal joint; 3-loop bar; The sliding bar of 4-; 5-sleeve; 51-chute; 52-limited impression; 53-back-up ring; 6-expansion link; 61-limited block; The spacing groove of 62-; 63-keeps off ring; The uncovered installation portion of 64-; 7-rolling part; 8-resilient snubber.
Embodiment
The following stated is only the better embodiment of the present invention, therefore all equivalences done according to the structure described in patent application scope of the present invention, feature and principle change or modify, and are included within the scope of patent application of the present invention.
Embodiment one:
Shown in reference to the accompanying drawings, a kind of scalable constant-velocity transmission shaft, comprises transmission shaft 1 and is arranged at the universal joint 2 at transmission shaft two ends. Transmission shaft 1 comprises the loop bar 3 of socket mutually, sliding bar 4. It is provided with rolling part 7 and resilient snubber 8 between loop bar 3 and sliding bar 4. The coupling end that loop bar 3 is connected with sliding bar 4 is provided with sleeve 5, and the coupling end that sliding bar 4 is connected with loop bar 3 is provided with the expansion link 6 of insertion sleeve 5. The surface of sleeve 5 inwall and expansion link 6 circumferentially array offer six mutually corresponding chutes 51, rolling part 7 it is provided with in chute 51, and rolling part 7 is steel ball, make that expansion link 6 slides steadily in sleeve 5, frictional force is little, make expansion link 6 can only axially move and can not rotate in sleeve 5 simultaneously, ensure that the moment transmission of transmission shaft 1. The inner, sleeve 5 chambeies is provided with limited impression 52, and resilient snubber 8 one end is arranged in limited impression 52, and the other end is provided with on end face on protruding limited block 61 before being against expansion link 6. Sleeve 5 tube port position is provided with for preventing rolling part 7 from rolling out the back-up ring 53 of sleeve 5 along chute 51. Described expansion link 6 front end is provided with for preventing expansion link 6 from skidding off the gear ring 63 of sleeve 5. Expansion link 6 front end is provided with annular spacing groove 62, and described gear ring 63 is arranged in described spacing groove 62. Gear ring 63 is provided with for gear ring 63 is blocked the uncovered installation portion 64 into spacing groove 62, can easily gear ring 63 be blocked in spacing groove 62 when mounted, uncovered installation portion 64 enhances the scalable property of gear ring 63 simultaneously, provides certain elastic buffer when extruding or stretch.
Embodiment two:
Different from above-described embodiment be in chute 51 be 3.
Embodiment three:
Different from above-described embodiment be in chute 51 be 8.
The present invention provides a kind of scalable constant-velocity transmission shaft, freely stretching and the snubber assembly in sleeve by transmission shaft, absorb the surging force that automobile is subject to when bumpy sections travels, reduce the shock action to universal joint, prevent universal joint because impacting for damaging, improve the shock resistance of automobile and the comfortable property of traveling simultaneously.
Claims (4)
1. a scalable constant-velocity transmission shaft, comprise transmission shaft (1) and it is arranged at the universal joint (2) at transmission shaft (1) two ends, it is characterized in that: described transmission shaft (1) comprises the loop bar (3) of socket mutually, sliding bar (4), and the rolling part (7) being arranged between loop bar (3) and sliding bar (4) and resilient snubber (8), the coupling end that described loop bar (3) is connected with sliding bar (4) is provided with sleeve (5), the coupling end that described sliding bar (3) is connected with loop bar (4) is provided with the expansion link (6) of insertion sleeve (5), described resilient snubber (7) and rolling part (8) are arranged at expansion link (6) front end face and on the surface respectively, the surface of described sleeve (5) inwall and expansion link (6) circumferentially array offer mutually corresponding chute (51), rolling part (7) it is provided with in chute (51), and rolling part (7) is steel ball, the inner, described sleeve (5) cylinder chamber is provided with limited impression (52), described resilient snubber (8) one end is arranged in described limited impression (52), the other end is against on expansion link (6) front end face, described expansion link (6) front end is provided with protruding limited block (61), described resilient snubber (8) is sheathed on described limited block (61), described expansion link (6) front end is provided with for preventing expansion link (6) from skidding off the gear ring (63) of sleeve (5), described expansion link (6) front end is provided with annular spacing groove (62), described gear ring (63) is arranged in described spacing groove (62), described gear ring (63) is provided with and blocks the uncovered installation portion (64) into spacing groove (62) for ring (63) will be kept off.
2. the scalable constant-velocity transmission shaft of one according to claim 1, it is characterised in that: described sleeve (5) tube port position is provided with for preventing rolling part (7) from rolling out the back-up ring (53) of sleeve (5) along chute (51).
3. the scalable constant-velocity transmission shaft of one according to claim 1, it is characterised in that: described chute (51) is 3-8 bar.
4. the scalable constant-velocity transmission shaft of one according to claim 1, it is characterised in that: described chute (51) is 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310399882.9A CN103438087B (en) | 2013-09-06 | 2013-09-06 | A kind of scalable constant-velocity transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310399882.9A CN103438087B (en) | 2013-09-06 | 2013-09-06 | A kind of scalable constant-velocity transmission shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103438087A CN103438087A (en) | 2013-12-11 |
| CN103438087B true CN103438087B (en) | 2016-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310399882.9A Active CN103438087B (en) | 2013-09-06 | 2013-09-06 | A kind of scalable constant-velocity transmission shaft |
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| Country | Link |
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| CN (1) | CN103438087B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3315800B1 (en) * | 2016-10-31 | 2019-08-28 | Andreas Stihl AG & Co. KG | Drive shaft in a hand-held work device |
| CN108150556B (en) * | 2017-12-01 | 2019-07-19 | 陈孜然 | A kind of universal joint |
| CN112453140B (en) * | 2020-11-10 | 2022-08-16 | 江西立讯智造有限公司 | Bluetooth headset lower cover bending device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1115833A (en) * | 1994-06-03 | 1996-01-31 | 洛尔·布罗坎普有限公司 | Articulated shaft with sliding unit |
| DE10356278A1 (en) * | 2003-11-28 | 2005-06-30 | Nacam Deutschland Gmbh | Telescopic steering shaft for commercial or passenger automobile has outer mantle sleeve and sliding inner shaft assembled from individual components |
| CN101868641A (en) * | 2007-07-26 | 2010-10-20 | Bf新技术有限公司 | Rolling-sliding unit and cardan shaft having the same |
| CN203604419U (en) * | 2013-09-06 | 2014-05-21 | 浙江凯迪汽车部件工业有限公司 | Telescopic constant-speed transmission shaft |
-
2013
- 2013-09-06 CN CN201310399882.9A patent/CN103438087B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1115833A (en) * | 1994-06-03 | 1996-01-31 | 洛尔·布罗坎普有限公司 | Articulated shaft with sliding unit |
| DE10356278A1 (en) * | 2003-11-28 | 2005-06-30 | Nacam Deutschland Gmbh | Telescopic steering shaft for commercial or passenger automobile has outer mantle sleeve and sliding inner shaft assembled from individual components |
| CN101868641A (en) * | 2007-07-26 | 2010-10-20 | Bf新技术有限公司 | Rolling-sliding unit and cardan shaft having the same |
| CN203604419U (en) * | 2013-09-06 | 2014-05-21 | 浙江凯迪汽车部件工业有限公司 | Telescopic constant-speed transmission shaft |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103438087A (en) | 2013-12-11 |
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