CN208138337U - A kind of Novel spline shaft - Google Patents
A kind of Novel spline shaft Download PDFInfo
- Publication number
- CN208138337U CN208138337U CN201820499696.0U CN201820499696U CN208138337U CN 208138337 U CN208138337 U CN 208138337U CN 201820499696 U CN201820499696 U CN 201820499696U CN 208138337 U CN208138337 U CN 208138337U
- Authority
- CN
- China
- Prior art keywords
- splined shaft
- sealing
- spline
- sleeve pipe
- matched
- 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 - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 70
- 238000009434 installation Methods 0.000 claims abstract description 20
- 238000012856 packing Methods 0.000 claims abstract description 14
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 239000010687 lubricating oil Substances 0.000 abstract description 19
- 238000005461 lubrication Methods 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses a kind of Novel spline shafts, including female splined shaft and male splined shaft, one end that female splined shaft is connect with male splined shaft is arranged with sealing sleeve pipe and forms installation gap, it is provided with mesoporous in sealing sleeve pipe and is set on male splined shaft by mesoporous, mesoporous inner wall, which is evenly arranged with, seals matched sealing spline tooth with external spline teeth；Being arranged on female splined shaft can be with the installation matched sealing fixed ring in gap, sealing sleeve pipe one end even circumferential is provided with several screw holes one, screw hole two corresponding with the realization matching of screw hole one is provided in sealing fixed ring, sealing fixed ring is formed a fixed connection by screw hole one, screw hole two with sealing sleeve pipe with bolt；One end that female splined shaft and male splined shaft are correspondingly connected with is provided with ring packing step, installs and is provided with sealing secondary spring one in gap.The utility model can the lubricating oil effectively to both female splined shaft and male splined shaft spline engagement part be sealed, preferably prevent from lubricating oil stream leakage between the two.
Description
Technical field
The utility model relates to shaft technical fields, are specifically related to a kind of Novel spline shaft.
Background technique
Spline is generallyd use between splined shaft and connects composition shaft, and spline connection is usually outside female splined shaft matching is nested into
In splined shaft, the flexible and transmitting rotation torque of shaft is realized by spline engagement between the two, to realize machine driving.
General female splined shaft one end and transmission axis connection, and male splined shaft one end is connected with universal-joint fork, because of female splined shaft and outer flower
The part of both key axis spline engagement can form opposite sliding, thus can the part to the two spline engagement carry out filling lubrication
Oil reduces the friction that sliding generates, and with opposite sliding between the two, both can allow lubrication on the part of spline engagement
Oil is taken out of, and existing sealing means not can effectively solve this phenomenon, to can make both female splined shaft and male splined shaft
The part of spline engagement is because certain generation of lubricating oil is worn, to reduce the service life of the two.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of Novel spline shafts, can be effectively to female splined shaft
It is sealed with the lubricating oil of both male splined shafts spline engagement part, preferably prevents from lubricating oil stream leakage between the two, further
Improve the service life of female splined shaft and male splined shaft.
In order to solve the above technical problems, the technical solution of the utility model is：
A kind of Novel spline shaft, including female splined shaft and male splined shaft, female splined shaft one end are provided with connecting hole and even
It connects hole inner wall and is evenly arranged with inner spline gear, male splined shaft one end is inserted in connecting hole and is evenly arranged with and internal spline in periphery
The matched external spline teeth of tooth, male splined shaft are provided with oiling channel and are connected with oil nozzle；The female splined shaft and male splined shaft connect
The one end connect is arranged with sealing sleeve pipe and forms installation gap, is provided with mesoporous in the sealing sleeve pipe and is arranged by mesoporous
On male splined shaft, the mesoporous inner wall, which is evenly arranged with, seals matched sealing spline tooth with external spline teeth；The internal spline
Several screw holes can be provided with the installation matched sealing fixed ring in gap, described sealing sleeve pipe one end even circumferential by being arranged on axis
One, it seals and is provided with screw hole two corresponding with the realization matching of screw hole one in fixed ring, the sealing fixed ring bolt passes through spiral shell
Kong Yi, screw hole two form a fixed connection with sealing sleeve pipe；The female splined shaft is provided with one end that male splined shaft is correspondingly connected with
Ring packing step, the outer wall of ring packing step are matched with the inner wall of sealing sleeve pipe, are provided with sealing in the installation gap
Secondary spring one, one end of sealing secondary spring one is abutted with ring packing step, the other end is abutted with sealing fixed ring；It is described
The outer circumferential walls of ring packing step are provided with annular seal grooves one and are matched with elastic seal ring one.
Slider is matched in the connecting hole, slider can be slided in connecting hole, be set in the female splined shaft
The mounting hole for being equipped with and penetrating through at connecting hole center is provided with the sealing secondary spring two abutted with slider in mounting hole.
Sealing sleeve pipe side corresponding with mesoporous is provided with annular installation base, and set is matched in annular installation base
Elastic seal ring two on male splined shaft are located at, elastic seal ring two is fixed in annular installation base with split washer.
The circumferential inner wall of the sealing fixed ring is provided with annular seal groove two and is matched with elastic seal ring three.
The compression travel length of the sealing secondary spring one and the deep equality of connecting hole.
The drift of the sealing secondary spring two and the deep equality of connecting hole.
What the utility model can achieve has the technical effect that：
Compared with prior art, when both the utility model female splined shaft and male splined shaft carry out opposite sliding, external splines
Tooth takes the lubricating oil portion between the two spline engagement part to the direction of sliding out of, and the lubricating oil being carried over is in sealing sleeve pipe
Outflow is blocked at the mesoporous at place, the extruding force of lubricating oil can squeeze the movement of sealing sleeve pipe compression seal secondary spring one herein,
Sealing sleeve pipe is mobile to generate gap, between the shaft end of female splined shaft to which lubricating oil is in gap herein, while sealing auxiliary
Helping the elastic force of spring one can also act in sealing sleeve pipe, and the lubricating oil squeezed in gap herein flows to female splined shaft and external splines
At the spline engagement of both axis, when this process effectively prevents lubricating oil from carrying out opposite slide because of both inside and outside splined shafts
Stream leakage preferably guarantees lubrication between the two.
Compared with prior art, including the utility model, when both male splined shafts carry out opposite sliding, secondary spring is sealed
Two can be moved against slider immediately following male splined shaft end, not allow excessive lubricating oil to rest in connecting hole, to protect
Lubrication when inside and outside splined shaft slides between the two is demonstrate,proved, the service life of the two is improved.
Detailed description of the invention
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments：
Fig. 1 is the structure chart of the utility model；
Fig. 2 is the portion the A enlarged drawing of Fig. 1；
Fig. 3 is the portion the B enlarged drawing of Fig. 1.
Specific embodiment
It please referring to Fig.1 to Fig.3, the utility model provides a kind of Novel spline shaft, including female splined shaft 1 and male splined shaft 2,
1 one end of female splined shaft is provided with connecting hole 3 and is evenly arranged with inner spline gear 1-1,2 one end of male splined shaft in 3 inner wall of connecting hole
It is inserted in connecting hole 3 and is evenly arranged in periphery and is provided with the matched external spline teeth 2-1 of inner spline gear 1-1, male splined shaft 2
Oiling channel 4 is simultaneously connected with oil nozzle 5；One end that the female splined shaft 1 is connect with male splined shaft 2 is arranged with sealing sleeve pipe 6 and shape
At installation gap 7, it is provided with mesoporous 8 in the sealing sleeve pipe 6 and is set on male splined shaft 2 by mesoporous 8, the mesoporous 8
Inner wall, which is evenly arranged with, seals matched sealing spline tooth 8-1 with external spline teeth 2-1；Being arranged on the female splined shaft 1 can be with
The matched sealing fixed ring 9 in gap 7 is installed, 6 one end even circumferential of sealing sleeve pipe is provided with several screw holes 1, and sealing is solid
Determine to be provided with screw hole 2 11 corresponding with the realization matching of screw hole 1 on ring 9, the sealing fixed ring 9 passes through screw hole with bolt 12
One 10, screw hole 2 11 forms a fixed connection with sealing sleeve pipe 6；One end that the female splined shaft 1 is correspondingly connected with male splined shaft 2 is set
It is equipped with ring packing step 13, the outer wall of ring packing step 13 is matched with the inner wall of sealing sleeve pipe 6, in the installation gap 7
Be provided with sealing secondary spring 1, sealing secondary spring 1 one end abutted with ring packing step 13, the other end with it is close
Fixed ring 9 is sealed to abut；The outer circumferential walls of the ring packing step 13 are provided with annular seal grooves 1 and match flexible
Sealing ring 1.
Slider 17 is matched in the connecting hole 3, slider 17 can be slided in connecting hole 3, the internal spline
The mounting hole 18 for being provided in axis 1 and penetrating through at 3 center of connecting hole is provided with the sealing abutted with slider 17 in mounting hole 18
Secondary spring 2 19.
The sealing sleeve pipe 6 side corresponding with mesoporous 8 is provided with annular installation base 20, in annular installation base 20
Equipped with elastic seal ring 2 21 on male splined shaft 2 is set in, the split washer 22 of elastic seal ring 2 21 is fixed on annular installation
In boss 20.
The circumferential inner wall of the sealing fixed ring 9 is provided with annular seal groove 2 23 and is matched with elastic seal ring 3 24.
The compression travel length of the sealing secondary spring 1 and the deep equality of connecting hole 3.
The drift of the sealing secondary spring 2 19 and the deep equality of connecting hole 3.
It makes an explanation below to the working principle of the utility model：
During use, when both female splined shaft 1 and male splined shaft 2 carry out opposite sliding, the two spline is nibbled at this time
The lubricating oil that lubricating oil between conjunction part is taken out of to the direction of sliding by external spline teeth 2-1, and is carried over is at sealing sleeve pipe 6
Outflow is blocked at mesoporous 8, the extruding force of lubricating oil can squeeze the movement of 6 compression seal secondary spring 1 of sealing sleeve pipe herein,
Sealing sleeve pipe 6 is mobile to generate gap, between the shaft end of female splined shaft 1 to which lubricating oil is in gap herein, furthermore seals
The elastic force of secondary spring 1 is acted on always in sealing sleeve pipe 6, to squeeze lubrication oil stream of the sealing sleeve pipe 6 herein in gap
Inwardly, at the spline engagement of both male splined shafts, while when both inside and outside splined shafts carry out opposite sliding, secondary spring is sealed
2 19 can be moved against slider 17 immediately following 2 end of male splined shaft, and excessive lubricating oil is not allowed to rest in connecting hole 3；
During female splined shaft 1 and male splined shaft 2 reciprocatingly slide, both sealing secondary spring 1 and sealing secondary spring 2 19
Extruding force is all kept to lubricating oil, while interaction force between the two keeps balance, to guarantee that lubricating oil is effectively uniform
The spline engagement in both inside and outside splined shafts at.
A kind of Novel spline shaft provided by the utility model embodiment is described in detail above, it is used herein
Specific case is expounded the principles of the present invention and embodiment, and the explanation of above example is only intended to help
Understand the revealed technical solution of the utility model；At the same time, for those skilled in the art, according to the utility model
Thought, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be construed as
The limitation of the utility model.
Claims (6)
1. a kind of Novel spline shaft, including female splined shaft and male splined shaft, female splined shaft one end is provided with connecting hole and is connecting
Hole inner wall is evenly arranged with inner spline gear, and male splined shaft one end is inserted in connecting hole and is evenly arranged with and inner spline gear in periphery
Matched external spline teeth, male splined shaft are provided with oiling channel and are connected with oil nozzle；It is characterized in that：The female splined shaft and outer
One end of spline axis connection is arranged with sealing sleeve pipe and forms installation gap, is provided with mesoporous in the sealing sleeve pipe and passes through
Mesoporous is set on male splined shaft, and the mesoporous inner wall, which is evenly arranged with, seals matched sealing spline tooth with external spline teeth；Institute
It states and is arranged with and can be provided with the installation matched sealing fixed ring in gap, described sealing sleeve pipe one end even circumferential on female splined shaft
Several screw holes one seal and are provided with screw hole two corresponding with the realization matching of screw hole one, the sealing fixed ring spiral shell in fixed ring
Bolt is formed a fixed connection by screw hole one, screw hole two with sealing sleeve pipe；The female splined shaft and male splined shaft be correspondingly connected with one
End is provided with ring packing step, and the outer wall of ring packing step is matched with the inner wall of sealing sleeve pipe, is set in the installation gap
Be equipped with sealing secondary spring one, sealing secondary spring one one end is abutted with ring packing step, the other end with seal fixed ring
It abuts；The outer circumferential walls of the ring packing step are provided with annular seal grooves one and are matched with elastic seal ring one.
2. according to a kind of Novel spline shaft described in claim 1, it is characterised in that：Slider is matched in the connecting hole, it is sliding
Movable plate can be slided in connecting hole, and the mounting hole with perforation at connecting hole center, installation are provided in the female splined shaft
The sealing secondary spring two abutted with slider is provided in hole.
3. according to a kind of Novel spline shaft described in claim 1, it is characterised in that：Sealing sleeve pipe side corresponding with mesoporous
It is provided with annular installation base, is matched in annular installation base and is set in elastic seal ring two on male splined shaft, elastic packing
Circle two is fixed in annular installation base with split washer.
4. according to a kind of Novel spline shaft described in claim 1, it is characterised in that：The circumferential inner wall setting of the sealing fixed ring
There is annular seal groove two and is matched with elastic seal ring three.
5. according to a kind of Novel spline shaft described in claim 1, it is characterised in that：The compression travel of the sealing secondary spring one
The deep equality of length and connecting hole.
6. according to a kind of Novel spline shaft as claimed in claim 2, it is characterised in that：The drift of the sealing secondary spring two
With the deep equality of connecting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820499696.0U CN208138337U (en) | 2018-04-10 | 2018-04-10 | A kind of Novel spline shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820499696.0U CN208138337U (en) | 2018-04-10 | 2018-04-10 | A kind of Novel spline shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208138337U true CN208138337U (en) | 2018-11-23 |
Family
ID=64292290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820499696.0U Expired - Fee Related CN208138337U (en) | 2018-04-10 | 2018-04-10 | A kind of Novel spline shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208138337U (en) |
-
2018
- 2018-04-10 CN CN201820499696.0U patent/CN208138337U/en not_active Expired - Fee Related
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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: 20181123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |