CN207526898U - A kind of transmission shaft with cycle lubrication retracting cylinder - Google Patents
A kind of transmission shaft with cycle lubrication retracting cylinder Download PDFInfo
- Publication number
- CN207526898U CN207526898U CN201721299204.5U CN201721299204U CN207526898U CN 207526898 U CN207526898 U CN 207526898U CN 201721299204 U CN201721299204 U CN 201721299204U CN 207526898 U CN207526898 U CN 207526898U
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- CN
- China
- Prior art keywords
- spline housing
- splined shaft
- cycle
- oil
- retracting cylinder
- 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.)
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Abstract
The utility model is related to vehicle transmission apparatus fields, disclose a kind of transmission shaft with cycle lubrication retracting cylinder.Including retracting cylinder and it is separately positioned on the universal joint at retracting cylinder both ends, retracting cylinder includes the splined shaft and spline housing install by spline engagement, and splined shaft gets rid of oilhole with oil pocket, oil filler point and to splined shaft and spline housing engaging section oiling；The cycle oil duct set on the jacket wall of spline housing, the both ends of cycle oil duct are equipped with cycle hydraulic fluid port, and two cycle hydraulic fluid ports on same cycle oil duct are located at the both ends of splined shaft and spline housing engaging section, it is additionally provided with to stop that sundries enters the flexible telescopic tube of splined shaft and spline housing engaging section between spline housing and splined shaft, one end of flexible telescopic tube is fixed with spline housing, and the other end is fixed on the position far from spline housing on splined shaft.The utility model oil filling is convenient, and the continuous lubrication time is long and makes being greatly increased with the service life for retracting cylinder and transmission shaft.
Description
Technical field
The utility model is related to vehicle transmission apparatus field, specifically a kind of transmission with cycle lubrication retracting cylinder
Axis.
Background technology
Transmission shaft is made of retracting cylinder and universal joint, is connection or the every accessory of assembling, and removable or rotation
Circular object accessory.It is the axis for the rotation of speed changer being passed to main reducing gear for the automobile of preposition engine rear wheel drive, with
The power of engine is passed to wheel by gearbox, drive axle together, and automobile is made to generate driving force.
For handling vehicle, Uneven road generates bounce, load variations or two assembly installation positions to universal joint in operation
Angle between the transmission output shaft and main reducing gear of drive axle input shaft putting difference and generate and the variation apart from generation.And
A kind of device when retracting cylinder is for coordinating another ending pulsation of transmission shaft, it allows the effective length of transmission shaft to stretch, with
Adapt to leaf spring stretches bent and axletree move up and down.
The lubrication of retracting cylinder be it is extremely important, insufficient lubrication or it is unlubricated when can accelerate the mill of splined shaft and spline housing
Damage, and it is excessive because the bearing or center hanger shaft of support transmission shaft and universal joint one end free to slide cannot be caused to afford
It squeezes, causes promptly to wear away or damage.The retracting cylinder on transmission shaft is when filling lubricating oil in the prior art, generally require by
Entire transmission shaft removes, then its splined shaft is detached with spline housing, is then applied respectively on the engaging tooth of splined shaft and spline housing
Lubricating oil is smeared, finally re-starts assembling, operation is inconvenient.And retracting cylinder must be lubricated with fluid lubrication oil, often
Engaging section outflow of the lubricating oil between splined shaft and spline housing is caused, not only causes to waste, but also usually in every traveling 1,500
Kilometer or so just fills once, and in case of filled not in time, the lubricating oil of splined shaft and spline housing engaging section drains quickly, splined shaft
The torque load face of key teeth just generates consumingly dry friction between spline housing, causes key teeth looseness, occurs along key teeth length direction
Step, the empty basin increase of retracting cylinder torsion etc., it is very unfavorable to interlocking parts.Finally, transmission shaft of the prior art often lacks
Necessity of retracting cylinder is protected, is easy to cause the engaging section that sand and dust enter splined shaft and spline housing, accelerates the abrasion of its key teeth, shortens
The service life of transmission shaft.
Utility model content
The utility model is intended to provide a kind of oil filling conveniently, and the continuous lubrication time is long and service life greatly increases
Have cycle lubrication retracting cylinder transmission shaft.
In order to solve the above technical problems, the technical solution adopted in the utility model is：There is one kind cycle lubrication to stretch
The transmission shaft of cylinder including retracting cylinder and is separately positioned on the universal joint at retracting cylinder both ends, and the retracting cylinder includes passing through spline
The splined shaft and spline housing of installation are engaged, there are one the oil pockets for accommodating lubricating oil for the splined shaft tool, remote on splined shaft
The oil filler point for the oiling into oil pocket is equipped with from its one end with spline housing engaging section, itself and spline housing are located on splined shaft
Engaging section position be spaced apart and nibbled equipped with multiple for being got rid of the lubricating oil in oil pocket to splined shaft and spline housing by centrifugal force
Oilhole is got rid of in conjunction portion；The recycle oil that a plurality of length direction along spline housing opens up is equipped at intervals on the jacket wall of the spline housing
Road, the both ends of any one cycle oil duct are equipped with cycle hydraulic fluid port, and two cycle hydraulic fluid ports on same cycle oil duct
It is opened in respectively on the inner wall of spline housing and positioned at the both ends of splined shaft and spline housing engaging section, in spline housing close to oil filler point
The O-ring seals for stopping outflow of lubrication oil splined shaft and spline housing engaging section are equipped between one end and splined shaft, in spline
It is additionally provided with to stop that sundries enters the flexible telescopic tube of splined shaft and spline housing engaging section, flexible concertina between set and splined shaft
One end of pipe is fixed with spline housing, and the other end is fixed on the position far from spline housing on splined shaft.
Preferably, the cycle oil duct favours the axial setting of the spline housing, and recycles oil duct close to oil filler point
One end and spline housing axis between distance be more than distance between cycle oil duct one end and spline housing axis far from oil filler point.
Preferably, the splined shaft includes the key teeth section engaged with the spline housing and connects with corresponding universal joint
Light bar segment, the O-ring seals are fixed on spline housing close to one end of oil filler point and are set in the light bar segment of splined shaft.
Preferably, the oil filler point is the threaded hole being opened in splined shaft light bar segment, coordinates in oil filler point and is equipped with
Screw plug, and oil filler point is arranged on the outside for being located at the flexible telescopic tube on splined shaft.
Preferably, the both ends of key teeth are arc-shaped on the splined shaft.
Preferably, oilhole is got rid of described in being offered on the top surface at the splined shaft key teeth both ends.
Preferably, in the spline housing be located at splined shaft be inserted into extreme position be equipped with for stop lubricating oil every
Plate.
Preferably, uniform intervals are equipped with six cycle oil ducts on the jacket wall of the spline housing.
Advantageous effect
The transmission shaft of the utility model includes a retracting cylinder with cycle lubricating function, the splined shaft tool in retracting cylinder
Oilhole is got rid of there are one oil pocket and equipped with engaging section between multiple connection oil pockets and telescopic, and lubricating oil can at a high speed turn in transmission shaft
Oilhole is got rid of by this to be delivered in the key teeth of splined shaft and spline housing engaging section, realize lubrication in the state of dynamic by centrifugal force.
Change part put on be additionally provided with cycle oil duct and cycle hydraulic fluid port, can equally be made in the state of transmission shaft high-speed rotation by centrifugal force
The lubricating oil being collected on spline housing inner wall is by recycling oil duct and recycling hydraulic fluid port the two of splined shaft and spline housing engaging section
Reciprocation cycle is held, reduces the filling number of lubricating oil, and can directly be filled by the oil filler point being opened on splined shaft, avoids
In the prior art the troublesome operation of lubricating oil is filled by dismounting transmission shaft and retracting cylinder.
The port of the utility model spline housing is equipped with O-ring seals, and being additionally provided with flexibility between spline housing and splined shaft stretches
Contracting set can avoid the loss of lubricating oil and extraneous sand and dust, sewage etc. from entering the engaging section of telescopic transmission shaft set, avoid spline
Foreign matter between axis and spline housing wears and gets rusty, and substantially prolongs the service life of entire transmission shaft.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
It is marked in figure：1st, universal joint, 2, splined shaft, 3, spline housing, 4, oil filler point, 5, get rid of oilhole, 6, cycle oil duct, 7, follow
Ring hydraulic fluid port, 8, O-ring seals, 9, flexible telescopic tube, 10, screw plug, 11, partition board.
Specific embodiment
As shown in Figure 1, a kind of transmission shaft with cycle lubrication retracting cylinder of the utility model and biography of the prior art
Moving axis is identical, including retracting cylinder and is separately positioned on the universal joint 1 at retracting cylinder both ends, retracting cylinder includes passing through spline engagement
The splined shaft 2 of installation and spline housing 3.Wherein for handling vehicle, Uneven road generates bounce to universal joint 1 in operation, and load becomes
Change or two assembly installation site differences and the folder between the transmission output shaft and main reducing gear of drive axle input shaft that generate
Angle and the variation apart from generation.And retracting cylinder is used for coordinating another ending pulsation of transmission shaft, stretches the effective length of transmission shaft
Contracting stretches bent and axletree move up and down with adapt to leaf spring.
The retracting cylinder of the utility model has cycle lubricating function, and splined shaft 2 includes what is be connected with corresponding universal joint 1
Light bar segment and the key teeth section engaged with spline housing 3, and have in light bar segment and key teeth section and be interconnected and for accommodating lubrication
The oil pocket of oil.The oil filler point 4 of threaded hole shape is equipped in the light bar segment of splined shaft 2, coordinates in oil filler point 4 and screwed plug is installed
First 10, so as to facilitate the oiling into oil pocket and prevent oil leakage in oil pocket.Key teeth two on the utility model splined shaft 2
It holds to be arc-shaped, so as to make the slip of splined shaft 2 in spline housing 3 in axial direction more smoothly, avoids key teeth end and flower
Key set 3 generates friction and gets stuck, and leads to vehicle abnormal sound, influences engine life.It is offered respectively at the both ends of key teeth and splined shaft 2
Oil pocket be connected get rid of oilhole 5.Lubricating oil in oil pocket can be in vehicular motion in the case of transmission shaft high-speed rotation
Oilhole 5 is got rid of from this and gets rid of engaging section to splined shaft 2 and spline housing 3, so as to keep the effectively lubricating of the utility model telescopic.
Uniform intervals are equipped with six cycle oil ducts 6 opened up along the length direction of spline housing 3 on the jacket wall of spline housing 3,
The both ends of any one cycle oil duct 6 are equipped with cycle hydraulic fluid port 7, and two cycle hydraulic fluid ports 7 on same cycle oil duct 6
It is opened in respectively on the inner wall of spline housing 3 and positioned at the both ends of 3 engaging section of splined shaft 2 and spline housing, is collected at 3 inner wall of spline housing
On lubricating oil can be existed by the cycle oil duct 6 and cycle hydraulic fluid port 7 and centrifugal force when being rotated by transmission shaft and vehicle
Gravity during climb and fall is in splined shaft 2 and the both ends iterative cycles of the engaging section of spline housing 3, so as to be effectively increased profit
The utilization rate of lubricating oil avoids the frequent oiling of transmission shaft.The extreme position being inserted into spline housing 3 positioned at splined shaft 2 is equipped with
For stopping the partition board 11 of lubricating oil, prevent lubricating oil along the inner wall flow direction of spline housing 3 far from its one with 2 engaging section of splined shaft
Waste caused by end.Cycle oil duct 6 in the present embodiment favours the axial setting of spline housing 3, and recycles oil duct 6 close to note
Distance between 3 axis of one end and spline housing of oilhole 4 is more than between cycle 3 axis of one end and spline housing of the oil duct 6 far from oil filler point 4
Distance.This structure is in transmission shaft rotation process, and centrifugal force suffered by the lubricating oil of both ends is different in cycle oil duct 6, so as to
Extrusion cycle is forced in direction by lubricating oil along spline housing 3 to oil filler point 4, further improves the utilization rate of lubricating oil.
In order to avoid lubricating oil is flowed out in splined shaft 2 and spline housing 3 in axial relative movement, the utility model is in spline
Set 3 is fixed with O-ring seals 8 close to one end of oil filler point 4, which is set in the light bar segment of splined shaft 2, so as to
It avoids wasting caused by lubricating oil leakage.It is additionally provided with to stop that sundries enters splined shaft 2 between spline housing 3 and splined shaft 2
With the flexible telescopic tube 9 of 3 engaging section of spline housing, flexible telescopic tube 9 be using rubber or other have both flexible and toughness material system
Into waveform hose, one end fixes with spline housing 3, and the other end is fixed on oil filler point 4 and key teeth section in 2 light bar segment of splined shaft
Between.In vehicular motion sand and dust or sewage is avoided to enter the engaging section of splined shaft 2 and spline housing 3, caused by foreign matter grind
It undermines and gets rusty, improve the service life of retracting cylinder and transmission shaft.
Claims (8)
1. a kind of transmission shaft with cycle lubrication retracting cylinder, including retracting cylinder and is separately positioned on the universal of retracting cylinder both ends
Section（1）, the retracting cylinder includes the splined shaft installed by spline engagement（2）And spline housing（3）, it is characterised in that：The flower
Key axis（2）Tool is there are one the oil pocket for being used to accommodate lubricating oil, in splined shaft（2）Upper separate itself and spline housing（3）The one of engaging section
End is equipped with the oil filler point for the oiling into oil pocket（4）, in splined shaft（2）It is upper to be located at itself and spline housing（3）Engaging section position
It is spaced apart and is used to get rid of the lubricating oil in oil pocket to splined shaft by centrifugal force equipped with multiple（2）And spline housing（3）Engaging section
Get rid of oilhole（5）；In the spline housing（3）Jacket wall on be equipped at intervals with it is a plurality of along spline housing（3）The cycle that opens up of length direction
Oil duct（6）, any one cycle oil duct（6）Both ends be equipped with cycle hydraulic fluid port（7）, and recycle oil duct positioned at same（6）On
Two cycle hydraulic fluid ports（7）It is opened in spline housing respectively（3）Inner wall on and positioned at splined shaft（2）And spline housing（3）Engaging section
Both ends, in spline housing（3）Close to oil filler point（4）One end and splined shaft（2）Between be equipped with for stop outflow of lubrication oil spend
Key axis（2）And spline housing（3）The O-ring seals of engaging section（8）, in spline housing（3）And splined shaft（2）Between be additionally provided with to hinder
Gear sundries enters splined shaft（2）And spline housing（3）The flexible telescopic tube of engaging section（9）, flexible telescopic tube（9）One end and spline
Set（3）Fixed, the other end is fixed on splined shaft（2）Upper separate spline housing（3）Position.
2. a kind of transmission shaft with cycle lubrication retracting cylinder according to claim 1, it is characterised in that：The recycle oil
Road（6）Favour the spline housing（3）Axial setting, and recycle oil duct（6）Close to oil filler point（4）One end and spline housing
（3）Distance between axis is more than cycle oil duct（6）Far from oil filler point（4）One end and spline housing（3）Distance between axis.
3. a kind of transmission shaft with cycle lubrication retracting cylinder according to claim 1, it is characterised in that：The splined shaft
（2）Including with the spline housing（3）The key teeth section of engagement and with corresponding universal joint（1）The light bar segment of connection, the O shapes are close
Seal（8）It is fixed on spline housing（3）Close to oil filler point（4）One end and be set in splined shaft（2）Light bar segment on.
4. a kind of transmission shaft with cycle lubrication retracting cylinder according to claim 3, it is characterised in that：The oil filler point
（4）To be opened in splined shaft（2）Threaded hole in light bar segment, in oil filler point（4）Middle cooperation is equipped with screw plug（10）, and note
Oilhole（4）It is arranged on splined shaft（2）It is upper to be located at the flexible telescopic tube（9）Outside.
5. a kind of transmission shaft with cycle lubrication retracting cylinder according to claim 1, it is characterised in that：The splined shaft
（2）The both ends of upper key teeth are arc-shaped.
6. a kind of transmission shaft with cycle lubrication retracting cylinder according to claim 1, it is characterised in that：The splined shaft
（2）Oilhole is got rid of described in being offered on the top surface at key teeth both ends（5）.
7. a kind of transmission shaft with cycle lubrication retracting cylinder according to claim 1, it is characterised in that：In the spline
Set（3）It is interior to be located at splined shaft（2）The extreme position of insertion is equipped with the partition board for stopping lubricating oil（11）.
8. a kind of transmission shaft with cycle lubrication retracting cylinder according to claim 1, it is characterised in that：The spline housing
（3）Jacket wall on uniform intervals be equipped with six cycle oil ducts（6）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721299204.5U CN207526898U (en) | 2017-10-10 | 2017-10-10 | A kind of transmission shaft with cycle lubrication retracting cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721299204.5U CN207526898U (en) | 2017-10-10 | 2017-10-10 | A kind of transmission shaft with cycle lubrication retracting cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207526898U true CN207526898U (en) | 2018-06-22 |
Family
ID=62570277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721299204.5U Expired - Fee Related CN207526898U (en) | 2017-10-10 | 2017-10-10 | A kind of transmission shaft with cycle lubrication retracting cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207526898U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730747A (en) * | 2018-08-01 | 2018-11-02 | 长兴曼尔申机械科技有限公司 | A kind of highly reliable lubricating transmission axis of centrifugal power oiling |
| CN109538746A (en) * | 2019-02-16 | 2019-03-29 | 平阳县泰星传动机械有限公司 | A kind of double-output speed reducer |
| CN111140757A (en) * | 2018-11-06 | 2020-05-12 | 沈阳新松机器人自动化股份有限公司 | Rigidity-adjustable oil injection device and oil injection method thereof |
| CN111140759A (en) * | 2018-11-06 | 2020-05-12 | 沈阳新松机器人自动化股份有限公司 | Inertia-adjustable oil injection device and oil injection method thereof |
| CN114110145A (en) * | 2021-11-26 | 2022-03-01 | 临海市海世达机械有限公司 | Transmission system for vehicle and shaft connecting structure thereof |
-
2017
- 2017-10-10 CN CN201721299204.5U patent/CN207526898U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730747A (en) * | 2018-08-01 | 2018-11-02 | 长兴曼尔申机械科技有限公司 | A kind of highly reliable lubricating transmission axis of centrifugal power oiling |
| CN111140757A (en) * | 2018-11-06 | 2020-05-12 | 沈阳新松机器人自动化股份有限公司 | Rigidity-adjustable oil injection device and oil injection method thereof |
| CN111140759A (en) * | 2018-11-06 | 2020-05-12 | 沈阳新松机器人自动化股份有限公司 | Inertia-adjustable oil injection device and oil injection method thereof |
| CN109538746A (en) * | 2019-02-16 | 2019-03-29 | 平阳县泰星传动机械有限公司 | A kind of double-output speed reducer |
| CN114110145A (en) * | 2021-11-26 | 2022-03-01 | 临海市海世达机械有限公司 | Transmission system for vehicle and shaft connecting structure thereof |
| CN114110145B (en) * | 2021-11-26 | 2022-05-31 | 临海市海世达机械有限公司 | Transmission system for vehicle and shaft connecting structure thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180622 Termination date: 20181010 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |