CN102767577B - Low-vibration automatic-sliding compensation combined spline universal joint - Google Patents
Low-vibration automatic-sliding compensation combined spline universal joint Download PDFInfo
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- CN102767577B CN102767577B CN201210240282.3A CN201210240282A CN102767577B CN 102767577 B CN102767577 B CN 102767577B CN 201210240282 A CN201210240282 A CN 201210240282A CN 102767577 B CN102767577 B CN 102767577B
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- connecting rod
- universal joint
- star wheel
- main shaft
- spline
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Abstract
The invention discloses a low-vibration automatic-sliding compensation combined spline universal joint, which comprises an outer star wheel and a main shaft fixed relative to the outer star wheel. An inner star wheel, a steel ball and a holder are arranged in the outer star wheel. The universal joint also comprises a connecting rod. The main shaft is connected to one end of the connecting rod capable of axially sliding relative to the main shaft through a spline. An outer spline is arranged at the other end of the connecting rod. When a swing angle of the inner star wheel exceeds a certain angle, the main shaft can be axially displaced to compensate the over-large swing angle of the inner star wheel to effectively eliminate the external overload of the outer star wheel and the holder, so that a universal joint transmission device runs stably, and is difficult to fatigue and long in service life, and the utilization rate of the whole universal joint is greatly increased.
Description
Technical field
The present invention relates to a kind of card gear, especially a kind of low vibrations automatic sliding compensates compound spline universal joint.
Background technique
So-called card gear, refers to the mechanical structure utilizing ball-type to connect to realize out-of-alignment power and transmit, and being automobile has very important parts.Card gear and transmission shaft combine, and are called card gear transmission device.On the vehicle that front engine rear wheel drives, card gear transmission device is arranged between transmission output shaft and main reducing gear of drive axle input shaft; And the vehicle that front engine, front drives eliminates transmission shaft, card gear is arranged on not only to be responsible for driving but also to be responsible between the front axle half shaft that turns to and wheel.
Existing card gear, comprise the main shaft that out star wheel, relatively out star wheel are fixed, star-wheel, steel ball, retainer are installed in described out star wheel, also comprise connecting rod, described main shaft carries out transmission by spline joint in the external world, is such as connected to differential mechanism, when star-wheel pivot angle is larger, main shaft cannot carry out axial displacement, and out star wheel and retainer bear the external force of overburdening, causes card gear galloping, easily tired, the problem such as the life-span is shorter.
Summary of the invention
The problem to be solved in the present invention improves galloping, easily tired, the problem that the life-span is shorter that low vibrations automatic sliding in background technique compensates compound spline universal joint.
In order to overcome the above problems, the invention provides a kind of low vibrations automatic sliding and compensate compound spline universal joint, comprise the main shaft that out star wheel, relatively out star wheel are fixed, star-wheel, steel ball, retainer are installed in described out star wheel, also comprise connecting rod, described main shaft is by spline joint in it can do one end of the described connecting rod of axial slip relatively, and the other end of described connecting rod is provided with external splines.
The radial side of described main shaft is arranged with can do axial slip sliding bearing relatively.
Described connecting rod 16 is provided with elastic element 12, the axial end of the internal spline coordinated with external splines 10 is butted on elastic element 12 mutually, connecting rod 16 is hollow, adjusting bolt 17 is provided with during connecting rod 16 is hollow, adjusting bolt 17 comprises down card end and adjustable side, the card end that falls makes clamping matching with connecting rod 16, and adjustable side to stretch out in outside connecting rod 16 and is provided with screw thread.
Described elastic element is square spring.
Described card end is made conical surface tensioner with connecting rod and is coordinated.
Low vibrations automatic sliding of the present invention compensates compound spline universal joint, and described main shaft is by spline joint in it can do one end of the described connecting rod of axial slip relatively, and the other end of described connecting rod is provided with external splines.When star-wheel pivot angle exceedes the regulation number of degrees, it is excessive with the pivot angle compensating star-wheel to be there is axial displacement in main shaft, the external force of the overburdening of effective elimination out star wheel and retainer, like this, card gear smooth running, to be not easy fatigue, life-span longer, and improve the utilization ratio of whole universal joint greatly.
Accompanying drawing explanation
Accompanying drawing 1 is that low vibrations automatic sliding of the present invention compensates compound spline gimbal structure schematic diagram
2, steel ball; 3, star-wheel; 4, retainer; 6, out star wheel; 7, flanged joint; 8, sliding bearing; 9, main shaft; 10, external splines; 12, elastic element; 13, packing ring; 14, end cap; 16, connecting rod; 17, adjusting bolt.
Embodiment
Compensate compound spline universal joint below in conjunction with accompanying drawing to a kind of low vibrations automatic sliding of the present invention to be described further.
As shown in fig. 1, the low vibrations automatic sliding of the present embodiment compensates compound spline universal joint, comprise the main shaft 9 that out star wheel 6, relatively out star wheel 6 are fixed, star-wheel 3, steel ball 2, retainer 4 are installed in out star wheel 6, also comprise connecting rod 16, main shaft 9 is by spline joint in it can do one end of the connecting rod 16 of axial slip relatively, and the other end of connecting rod 16 is provided with external splines 10.Packing ring 13, end cap 14, elastic element 12 described connecting rod 16 be equipped with in the present embodiment, adjusting bolt 17.End cap 14 sealing, prevents dust and other impurities from entering the transmission part of spline joint.External splines on connecting rod 16 connects with differential mechanism on car, and by adjusting bolt 17, compacting elastic element 12 regulates the gap between connecting rod 16 and differential mechanism.The internal spline that connecting rod is 16 li is connected with flanged joint 7 external splines.Out star wheel 6 connects with flanged joint 7, and star-wheel 3, steel ball 2, retainer 4 are contained in out star wheel 6, and star-wheel 3 both can axial slip, again can angle swinging.The whole dress of sliding bearing 8 onboard, flanged joint 7 bar portion cylindrical can move axially along sliding bearing 8 inner ring, when star-wheel 3 pivot angle exceedes the regulation number of degrees, the external splines of flanged joint 7 will along the outwards movement automatically of the internal spline of connecting rod 16 li, the external force of the overburdening of effective elimination out star wheel 6 and retainer, card gear smooth running, to be not easy fatigue, life-span longer, like this, just improves the utilization ratio of whole universal joint greatly.
In the present embodiment, the radial side of described main shaft 9 is arranged with can do axial slip sliding bearing 8 relatively.Undertaken spacing by sliding bearing 8 pairs of main shafts 9, make it can not tremble when high speed rotating, smooth running, further increase the performance of card gear.
In the present embodiment, described connecting rod 16 is provided with elastic element 12, the axial end of the internal spline coordinated with external splines 10 is butted on elastic element 12 mutually, connecting rod 16 is hollow, adjusting bolt 17 is provided with during connecting rod 16 is hollow, adjusting bolt 17 comprises down card end and adjustable side, and the card end that falls makes clamping matching with connecting rod 16, and adjustable side to stretch out in outside connecting rod 16 and is provided with screw thread.In the present embodiment, what coordinate with external splines 10 is differential mechanism, differential mechanism shell is butted on elastic element 12 mutually, under the effect of elastic element 12, have between connecting rod 16 and differential mechanism one away from trend, but fall to block end due to adjusting bolt 17 and make clamping matching with connecting rod 16, adjustable side stretches out in connecting rod 16 and coordinates with the nut thread on differential mechanism, makes connecting rod 16 relative with differential mechanism fixing.Rotating nut makes its relative adjustment bolt 17 toward mobile away from falling to block end, then under the impetus of elastic element 12, differential mechanism moves away from the extreme direction of falling card relative to also past, on the contrary, rotating nut makes its relative adjustment bolt 17 move toward near the extreme direction of falling card, under nut effect, then overcome the elastic force of elastic element 12, differential mechanism moves relative to toward near the extreme direction of falling card.By rotating the nut on adjusting bolt adjustable side, regulating the axial clearance between connecting rod 16 and differential mechanism, making them remain on preferably position, further ensure the steady of running, improve the performance of running.In the present embodiment, described elastic element 12 is square spring.Other elastic elements can certainly be transformed to, such as common coil component spring.Described card end is made conical surface tensioner with connecting rod 16 and is coordinated, and the mode of falling card of being somebody's turn to do is the one of the present embodiment, also can be transformed to other various modes of falling card, not do too much description at this.
The invention is not restricted to above embodiment and conversion.
Claims (4)
1. one kind low vibrations automatic sliding compensates compound spline universal joint, comprise out star wheel (6), the main shaft (9) that relative out star wheel (6) is fixing, star-wheel (3) is installed in described out star wheel (6), steel ball (2), retainer (4), it is characterized in that: also comprise connecting rod (16), described main shaft (9) by spline joint in relatively it can do one end of the described connecting rod (16) of axial slip, the other end of described connecting rod (16) is provided with external splines (10), described connecting rod (16) is provided with elastic element (12), the axial end of the internal spline coordinated with described external splines (10) is butted on elastic element (12) mutually, described connecting rod (16) is for hollow, adjusting bolt (17) is provided with during described connecting rod (16) is hollow, described adjusting bolt (17) comprises down card end and adjustable side, described card end makes clamping matching with connecting rod (16), described adjustable side to stretch out in outside connecting rod (16) and is provided with screw thread.
2. one according to claim 1 low vibrations automatic sliding compensates compound spline universal joint, it is characterized in that: the radial side of described main shaft (9) is arranged with can do axial slip sliding bearing (8) relatively.
3. one according to claim 1 and 2 low vibrations automatic sliding compensates compound spline universal joint, it is characterized in that: described elastic element (12) is square spring.
4. one according to claim 1 and 2 low vibrations automatic sliding compensates compound spline universal joint, it is characterized in that: described card end is made conical surface tensioner with connecting rod (16) and coordinated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210240282.3A CN102767577B (en) | 2012-07-11 | 2012-07-11 | Low-vibration automatic-sliding compensation combined spline universal joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210240282.3A CN102767577B (en) | 2012-07-11 | 2012-07-11 | Low-vibration automatic-sliding compensation combined spline universal joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102767577A CN102767577A (en) | 2012-11-07 |
| CN102767577B true CN102767577B (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210240282.3A Active CN102767577B (en) | 2012-07-11 | 2012-07-11 | Low-vibration automatic-sliding compensation combined spline universal joint |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1049050A (en) * | 1989-07-25 | 1991-02-06 | Gkn汽车公司 | Constant velocity turning joint |
| JPH0341221A (en) * | 1990-06-22 | 1991-02-21 | Toyota Motor Corp | Production of resin-coated spline shaft |
| CN1517183A (en) * | 2003-01-23 | 2004-08-04 | ��̽��˹�ȼ���������˾ | Fastening apparatus with pipe sleeve and location plate |
| CN1550687A (en) * | 2003-05-13 | 2004-12-01 | 达纳公司 | Sealed axially displaceable slip joint |
| CN202646443U (en) * | 2012-07-11 | 2013-01-02 | 南京冠盛汽配有限公司 | Low-vibration automatic slip compensation compound spline universal joint |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2102404U (en) * | 1991-10-05 | 1992-04-22 | 天津市机床电器总厂 | Two-way electomagnetic clutch |
-
2012
- 2012-07-11 CN CN201210240282.3A patent/CN102767577B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1049050A (en) * | 1989-07-25 | 1991-02-06 | Gkn汽车公司 | Constant velocity turning joint |
| JPH0341221A (en) * | 1990-06-22 | 1991-02-21 | Toyota Motor Corp | Production of resin-coated spline shaft |
| CN1517183A (en) * | 2003-01-23 | 2004-08-04 | ��̽��˹�ȼ���������˾ | Fastening apparatus with pipe sleeve and location plate |
| CN1550687A (en) * | 2003-05-13 | 2004-12-01 | 达纳公司 | Sealed axially displaceable slip joint |
| CN202646443U (en) * | 2012-07-11 | 2013-01-02 | 南京冠盛汽配有限公司 | Low-vibration automatic slip compensation compound spline universal joint |
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| Publication number | Publication date |
|---|---|
| CN102767577A (en) | 2012-11-07 |
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