CN103438087A - Telescopic constant-speed transmission shaft - Google Patents
Telescopic constant-speed transmission shaft Download PDFInfo
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- CN103438087A CN103438087A CN2013103998829A CN201310399882A CN103438087A CN 103438087 A CN103438087 A CN 103438087A CN 2013103998829 A CN2013103998829 A CN 2013103998829A CN 201310399882 A CN201310399882 A CN 201310399882A CN 103438087 A CN103438087 A CN 103438087A
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- transmission shaft
- sleeve
- flexible rod
- bar
- shaft according
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Abstract
The invention relates to an automobile transmission shaft, in particular relates to a telescopic constant-speed transmission shaft. The telescopic constant-speed transmission shaft comprises a transmission shaft and universal joints arranged at the two ends of the transmission shaft, wherein the transmission shaft comprises a loop bar, a sliding bar, a rolling member and an elastic buffer member; the loop bar and the sliding bar are nested; the rolling member and the elastic buffer member are arranged between the loop bar and the sliding bar; a connecting end, connected with the sliding bar, of the loop bar is provided with a sleeve; a connecting end, connected with the loop bar, of the sliding bar is provided with a telescopic bar which is inserted into the sleeve; the elastic buffer member and the rolling member are arranged on the front end face and the surface of the telescopic bar respectively. According to the automobile transmission shaft provided by the invention, the impact force acting on an automobile when the automobile runs on a bumpy road is absorbed through free expansion and contraction of the transmission shaft and the buffer device in the shaft, the impact effect on the universal joints is reduced, the universal joints are prevented from being damaged by impact, and meanwhile, the shock resistance and the running comfort of the automobile are improved.
Description
Technical field
the present invention relates to a kind of truck drive shaft, say more specifically a kind of scalable constant-velocity transmission shaft.
Background technique
truck drive shaft is as the critical component of constant velocity universal joint assembly, for connecting the universal joint at two ends, transferring power and moment of torsion.Transmission shaft between common two universal joints is single axle, does not have stretchability.Can not provide buffering in the time of on automobile running is jolting road, larger to the shock effect of universal joint, make universal joint easily damage, affect the travelling comfort of Vehicle Driving Cycle simultaneously.For example: the patent No. is that CN 202301514 U disclose a kind of constant velocity universal joint assembly, comprise the left and right driving semiaxis, be respectively arranged with the rubber viscous damper on the jack shaft of described left and right driving semiaxis, its shortcoming is to reduce the vibrating noise that the constant velocity universal joint assembly produces, and the shock problem produced can not solve automobile and travel on the road of jolting the time.
Summary of the invention
technical problem to be solved by this invention just is to provide a kind of scalable constant-velocity transmission shaft, by axle flexible, carrys out impact-absorbing power, strengthens the shock resistance of automobile, improves the travelling comfort of vehicle.
for solving the problems of the technologies described above, technological scheme of the present invention is: a kind of scalable constant-velocity transmission shaft, comprise transmission shaft and the universal joint that is arranged at the transmission shaft two ends, transmission shaft comprise loop bar, the slide bar of mutual socket and be arranged at loop bar and slide bar between roll piece and resilient snubber, the connecting end that loop bar is connected with slide bar is provided with sleeve, the connecting end that slide bar is connected with loop bar is provided with the flexible rod that inserts sleeve, and resilient snubber and roll piece are arranged at respectively on flexible rod front-end face and surface.
as preferably, the surface of described sleeve lining and flexible rod offers the chute of mutual correspondence along circumference array, be provided with roll piece in chute, and roll piece is steel ball.Flexible rod slides steadily in sleeve, frictional force is little, makes flexible rod can only axially move in sleeve simultaneously and can not rotate, and has guaranteed 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, for fixing resilient snubber, prevents that it from moving and affecting flexible in sleeve; The other end is against on the flexible rod front-end face, and buffering is provided when flexible rod is flexible.
as preferably, described flexible rod front end is provided with protruding limiting stopper, and resilient snubber is set on limiting stopper, can limit it in the slippage of flexible rod front-end face when resilient snubber is compressed.
as preferably, described sleeve tube port position is provided with for preventing that roll piece from rolling out the back-up ring of sleeve along chute.
as preferably, described flexible rod front end is provided with annular spacing groove, and baffle ring is installed in restraining groove, prevents that flexible rod from skidding off sleeve when stretching because amount of tension is excessive, limit the roll piece in the flexible rod upper hopper chute simultaneously, fall in sleeve in order to avoid skid off chute when stretching.
as preferably, on described baffle ring, be provided with for by the uncovered assembly department of baffle ring, can easily baffle ring be snapped in restraining groove when mounted, uncovered assembly department has strengthened the scalability of baffle ring simultaneously, and certain elastic buffer is provided when extruding or stretching.
as preferably, described chute is the 3-8 bar, make the pole face of flexible rod contact all the time on roll piece, avoid flexible rod to contact the increase friction with the inwall of sleeve and affect telescopicing performance, and torsion can be disperseed equably to the roll piece in chute when flexible rod transmits torsion to sleeve.
beneficial effect of the present invention: the invention provides a kind of scalable constant-velocity transmission shaft, by the free-extension of transmission shaft and the damping device in sleeve, absorb the impact force that automobile is subject to when bumpy sections is travelled, the percussion of minimizing to universal joint, prevent that universal joint from, because impacting for damaging, having improved the shock resistance of automobile and the travelling comfort of travelling simultaneously.
The accompanying drawing explanation
fig. 1 is structural representation of the present invention.
the partial enlarged drawing that Fig. 2 is A in Fig. 1.
the sectional view that Fig. 3 is B-B in Fig. 2.
the sectional view that Fig. 4 is C-C in Fig. 2.
in figure, the 1-transmission shaft; The 2-universal joint; The 3-loop bar; The 4-slide bar; The 5-sleeve; The 51-chute; The 52-limited impression; The 53-back-up ring; The 6-flexible rod; The 61-limiting stopper; The 62-restraining groove; The 63-baffle ring; The uncovered assembly department of 64-; The 7-roll piece; The 8-resilient snubber.
Embodiment
the following stated is only better embodiment of the present invention, and the equivalence of doing according to the described structure of patent claim of the present invention, feature and principle therefore all changes or modifies, and is included in patent claim of the present invention.
embodiment one:
with reference to the accompanying drawings, a kind of scalable constant-velocity transmission shaft, comprise transmission shaft 1 and the universal joint 2 that is arranged at the transmission shaft two ends.Transmission shaft 1 comprises loop bar 3, the slide bar 4 of mutual socket.Be provided with roll piece 7 and resilient snubber 8 between loop bar 3 and slide bar 4.The connecting end that loop bar 3 is connected with slide bar 4 is provided with sleeve 5, and the connecting end that slide bar 4 is connected with loop bar 3 is provided with the flexible rod 6 that inserts sleeve 5.The surface of sleeve 5 inwalls and flexible rod 6 offers six chutes 51 of correspondence mutually along circumference array, be provided with roll piece 7 in chute 51, and roll piece 7 is steel ball, make that flexible rod 6 is steady in the interior slip of sleeve 5, frictional force is little, make flexible rod 6 can only axially move in sleeve 5 simultaneously and can not rotate, having guaranteed the moment transmission of transmission shaft 1.The inner, 5 chambeies of sleeve is provided with limited impression 52, and resilient snubber 8 one ends are arranged in limited impression 52, and the other end is against on flexible rod 6 front-end faces and is provided with on protruding limiting stopper 61.Sleeve 5 tube port positions are provided with for preventing that roll piece 7 from rolling out the back-up ring 53 of sleeve 5 along chute 51.Described flexible rod 6 front ends are provided with for preventing that flexible rod 6 from skidding off the baffle ring 63 of sleeve 5.Flexible rod 6 front ends are provided with annular spacing groove 62, and described baffle ring 63 is arranged in described restraining groove 62.On baffle ring 63, be provided with for baffle ring 63 being snapped in to the uncovered assembly department 64 of restraining groove 62, can easily baffle ring 63 be snapped in restraining groove 62 when mounted, uncovered assembly department 64 has strengthened the scalability of baffle ring 63 simultaneously, and certain elastic buffer is provided when extruding or stretching.
embodiment two:
it is different from above-described embodiment that to be in chute 51 be 3.
embodiment three:
it is different from above-described embodiment that to be in chute 51 be 8.
the invention provides a kind of scalable constant-velocity transmission shaft, by the free-extension of transmission shaft and the damping device in sleeve, absorb the impact force that automobile is subject to when bumpy sections is travelled, the percussion of minimizing to universal joint, prevent that universal joint from, because impacting for damaging, having improved the shock resistance of automobile and the travelling comfort of travelling simultaneously.
Claims (10)
1. a scalable constant-velocity transmission shaft, comprise transmission shaft (1) and be 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 mutual socket, slide bar (4), and be arranged at roll piece (7) and the resilient snubber (8) between loop bar (3) and slide bar (4), the connecting end that described loop bar (3) is connected with slide bar (4) is provided with sleeve (5), the connecting end that described slide bar (3) is connected with loop bar (4) is provided with the flexible rod (6) that inserts sleeve (5), described resilient snubber (7) and roll piece (8) are arranged at respectively on flexible rod (6) front-end face and surface.
2. a kind of scalable constant-velocity transmission shaft according to claim 1, it is characterized in that: the surface of described sleeve (5) inwall and flexible rod (6) offers the chute (51) of mutual correspondence along circumference array, be provided with roll piece (7) in chute (51), and roll piece (7) is steel ball.
3. a kind of scalable constant-velocity transmission shaft according to claim 2, it is characterized in that: described sleeve (5) cylinder the inner, chamber is provided with limited impression (52), described resilient snubber (8) one ends are arranged in described limited impression (52), and the other end is against on flexible rod (6) front-end face.
4. a kind of scalable constant-velocity transmission shaft according to claim 3, it is characterized in that: described flexible rod (6) front end is provided with protruding limiting stopper (61), and described resilient snubber (8) is sheathed on (61) on described limiting stopper.
5. a kind of scalable constant-velocity transmission shaft according to claim 3, it is characterized in that: described sleeve (5) tube port position is provided with for preventing that roll piece (7) from rolling out the back-up ring (53) of sleeve (5) along chute (51).
6. a kind of scalable constant-velocity transmission shaft according to claim 1, it is characterized in that: described flexible rod (6) front end is provided with for preventing that flexible rod (6) from skidding off the baffle ring (62) of sleeve (5).
7. a kind of scalable constant-velocity transmission shaft according to claim 1, it is characterized in that: described flexible rod (6) front end is provided with annular spacing groove (62), and described baffle ring (63) is arranged in described restraining groove (62).
8. a kind of scalable constant-velocity transmission shaft according to claim 7, is characterized in that: on described baffle ring (63), be provided with for baffle ring (63) being snapped in to the uncovered assembly department (64) of restraining groove (62).
9. a kind of scalable constant-velocity transmission shaft according to claim 2, it is characterized in that: described chute (51) is the 3-8 bar.
10. a kind of scalable constant-velocity transmission shaft according to claim 2, it is characterized 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 true CN103438087A (en) | 2013-12-11 |
| CN103438087B CN103438087B (en) | 2016-06-01 |
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| 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 |
|---|---|
| CN (1) | CN103438087B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108019416A (en) * | 2016-10-31 | 2018-05-11 | 安德烈·斯蒂尔股份两合公司 | Drive shaft in the work apparatus of hand guiding |
| CN108150556A (en) * | 2017-12-01 | 2018-06-12 | 陈孜然 | A kind of universal joint |
| CN112453140A (en) * | 2020-11-10 | 2021-03-09 | 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108019416A (en) * | 2016-10-31 | 2018-05-11 | 安德烈·斯蒂尔股份两合公司 | Drive shaft in the work apparatus of hand guiding |
| CN108019416B (en) * | 2016-10-31 | 2022-04-05 | 安德烈·斯蒂尔股份两合公司 | Drive shaft in a hand-guided work apparatus |
| CN108150556A (en) * | 2017-12-01 | 2018-06-12 | 陈孜然 | A kind of universal joint |
| CN112453140A (en) * | 2020-11-10 | 2021-03-09 | 江西立讯智造有限公司 | Bluetooth headset lower cover bending device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103438087B (en) | 2016-06-01 |
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