CN107191481A - A kind of ball spline - Google Patents
A kind of ball spline Download PDFInfo
- Publication number
- CN107191481A CN107191481A CN201710658375.0A CN201710658375A CN107191481A CN 107191481 A CN107191481 A CN 107191481A CN 201710658375 A CN201710658375 A CN 201710658375A CN 107191481 A CN107191481 A CN 107191481A
- Authority
- CN
- China
- Prior art keywords
- spline
- shaft sleeve
- inner cylinder
- outer barrel
- ball
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
The invention discloses a kind of ball spline, including spline outer barrel, spline inner cylinder, splined shaft, outer shaft sleeve, retainer, steel ball and seal cup, described spline outer barrel and spline inner cylinder is sleeved on the centre position of splined shaft, described retainer is arranged between spline outer barrel and spline inner cylinder, described steel ball is uniformly arranged on retainer respectively, described outer shaft sleeve is sleeved on the outer wall of spline outer barrel and spline inner cylinder, and described seal cup is separately positioned at the both ends open of outer shaft sleeve inwall and is brought into close contact respectively with spline outer barrel and spline inner cylinder.By the above-mentioned means, the ball spline of the present invention, spline machining accuracy is high, coordinate smooth between splined shaft and outer shaft sleeve, outer shaft sleeve is axially moveable that resistance is small, and the frictional force between splined shaft and outer shaft sleeve is small, easy to maintenance, while good seal performance, prevents oil leak.
Description
Technical field
The present invention relates to the field of machined components, more particularly to a kind of ball spline.
Background technology
At present, the spline drived mechanism of plant equipment is made up of splined shaft and set, and drive device driving splined shaft is rotated, flower
Key axle is transferred power on outer shaft sleeve by spline, and the slave unit being fixed together with outer shaft sleeve is started shipment with outer shaft sleeve one
It is dynamic.When the circle peripheral force of axle is big, the lateral force of the internal keyway on the side and outer shaft sleeve of the key on axle is big, causes outer shaft sleeve
It is axially moveable resistance big, serious wear, the cooperation having had influence between splined shaft and outer shaft sleeve.
The content of the invention
The present invention solves the technical problem of a kind of ball spline is provided, spline machining accuracy is high, splined shaft and axle
Coordinate smooth between overcoat, outer shaft sleeve is axially moveable that resistance is small, and the frictional force between splined shaft and outer shaft sleeve is small, maintenance side
Just, while good seal performance, prevents oil leak.
In order to solve the above technical problems, one aspect of the present invention is：There is provided a kind of ball spline, including
In spline outer barrel, spline inner cylinder, splined shaft, outer shaft sleeve, retainer, steel ball and seal cup, described spline outer barrel and spline
Jacket casing is mounted in the centre position of splined shaft, and described retainer is arranged between spline outer barrel and spline inner cylinder, described steel ball
It is uniformly arranged on respectively on retainer, described outer shaft sleeve is sleeved on the outer wall of spline outer barrel and spline inner cylinder, described is close
Sealing cup is separately positioned at the both ends open of outer shaft sleeve inwall and is brought into close contact respectively with spline outer barrel and spline inner cylinder.
In a preferred embodiment of the present invention, two or more strip flowers are provided with described splined shaft
Keyway.
In a preferred embodiment of the present invention, it is provided with strip on the inwall of described spline outer barrel and spline inner cylinder
Shape spline projection is corresponding with spline.
In a preferred embodiment of the present invention, described steel ball is uniformly arranged on the both sides edge of retainer respectively.
In a preferred embodiment of the present invention, described spline outer barrel and spline inner cylinder protrude from the two of outer shaft sleeve respectively
End.
In a preferred embodiment of the present invention, described outer shaft sleeve uses flange form outer shaft sleeve.
The beneficial effects of the invention are as follows：The ball spline of the present invention, spline machining accuracy is high, and outer shaft sleeve is sleeved on outside spline
On the outer wall of cylinder and spline inner cylinder, coordinate smooth between splined shaft and outer shaft sleeve, it is small that outer shaft sleeve is axially moveable resistance, splined shaft
Frictional force between outer shaft sleeve is small, easy to maintenance, while good seal performance, prevents oil leak.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, it can also obtain other according to these accompanying drawings
Accompanying drawing, wherein：
Fig. 1 is the structural representation of a preferred embodiment of ball spline of the present invention；
Mark in accompanying drawing for：1st, spline outer barrel, 2, spline inner cylinder, 3, splined shaft, 4, outer shaft sleeve, 5, retainer, 6, steel ball, 7,
Seal cup, 8, strip spline, 9, strip spline projection.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, this area is common
All other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
As shown in figure 1, the embodiment of the present invention includes：
A kind of ball spline, including spline outer barrel 1, spline inner cylinder 2, splined shaft 3, outer shaft sleeve 4, retainer 5, steel ball 6 and close
Sealing cup 7, described spline outer barrel 1 and spline inner cylinder 2 is sleeved on the centre position of splined shaft 3, and described retainer 5 is arranged on flower
Between key outer barrel 1 and spline inner cylinder 2, described steel ball 6 is uniformly arranged on retainer 5 respectively, and described outer shaft sleeve 4 is sleeved on
On the outer wall of spline outer barrel 1 and spline inner cylinder 2, described seal cup 7 is separately positioned at the both ends open of the inwall of outer shaft sleeve 4 simultaneously
It is brought into close contact respectively with spline outer barrel 1 and spline inner cylinder 2.
In above-mentioned, two or more strip splines 8 are provided with described splined shaft 3.Wherein, it is described
Strip spline projection 9 is provided with the inwall of spline outer barrel 1 and spline inner cylinder 2 corresponding with spline 8, facilitates spacing company
Connect.
Further, described steel ball 6 is uniformly arranged on the both sides edge of retainer 5 respectively, because outer shaft sleeve 4 is sleeved on
On the outer wall of spline outer barrel 1 and spline inner cylinder 2 so that coordinate smooth by steel ball 6 between splined shaft 3 and outer shaft sleeve 4, wherein,
Described spline outer barrel 1 and spline inner cylinder 2 protrudes from the two ends of outer shaft sleeve 4 respectively, reduces between splined shaft 3 and outer shaft sleeve 4
Frictional force.
Outer shaft sleeve described in the present embodiment uses flange form outer shaft sleeve.
In summary, ball spline of the invention, spline machining accuracy is high, and outer shaft sleeve is sleeved in spline outer barrel and spline
On the outer wall of cylinder, coordinate smooth between splined shaft and outer shaft sleeve, it is small that outer shaft sleeve is axially moveable resistance, splined shaft and outer shaft sleeve it
Between frictional force it is small, it is easy to maintenance, while good seal performance, prevents oil leak.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, is included within the scope of the present invention.
Claims (6)
1. a kind of ball spline, it is characterised in that including spline outer barrel, spline inner cylinder, splined shaft, outer shaft sleeve, retainer, steel ball
And seal cup, described spline outer barrel and spline inner cylinder be sleeved on the centre position of splined shaft, and described retainer is arranged on
Between spline outer barrel and spline inner cylinder, described steel ball is uniformly arranged on retainer respectively, and described outer shaft sleeve is sleeved on flower
On the outer wall of key outer barrel and spline inner cylinder, described seal cup be separately positioned at the both ends open of outer shaft sleeve inwall and respectively with
Spline outer barrel and spline inner cylinder are brought into close contact.
2. ball spline according to claim 1, it is characterised in that be provided with described splined shaft two or two with
On strip spline.
3. ball spline according to claim 2, it is characterised in that on described spline outer barrel and the inwall of spline inner cylinder
It is provided with strip spline projection corresponding with spline.
4. ball spline according to claim 1, it is characterised in that described steel ball is uniformly arranged on retainer respectively
Both sides edge.
5. ball spline according to claim 1, it is characterised in that described spline outer barrel and spline inner cylinder protrudes respectively
In the two ends of outer shaft sleeve.
6. ball spline according to claim 1, it is characterised in that described outer shaft sleeve uses flange form outer shaft sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710658375.0A CN107191481A (en) | 2017-08-04 | 2017-08-04 | A kind of ball spline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710658375.0A CN107191481A (en) | 2017-08-04 | 2017-08-04 | A kind of ball spline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107191481A true CN107191481A (en) | 2017-09-22 |
Family
ID=59884197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710658375.0A Pending CN107191481A (en) | 2017-08-04 | 2017-08-04 | A kind of ball spline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107191481A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2586333A1 (en) * | 2008-10-28 | 2013-05-01 | Paul Hettich GmbH & Co. KG | Pull-out guide |
| CN202946540U (en) * | 2011-10-22 | 2013-05-22 | 威海利奥泰儆自动化设备有限公司 | Ball spline pair with small friction force and low weight |
| CN204386212U (en) * | 2015-01-07 | 2015-06-10 | 黄国有 | A kind of steel pipe stage with rotational structure |
-
2017
- 2017-08-04 CN CN201710658375.0A patent/CN107191481A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2586333A1 (en) * | 2008-10-28 | 2013-05-01 | Paul Hettich GmbH & Co. KG | Pull-out guide |
| CN202946540U (en) * | 2011-10-22 | 2013-05-22 | 威海利奥泰儆自动化设备有限公司 | Ball spline pair with small friction force and low weight |
| CN204386212U (en) * | 2015-01-07 | 2015-06-10 | 黄国有 | A kind of steel pipe stage with rotational structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204267550U (en) | There is long flexible short Hooks coupling universal coupling | |
| CN206017652U (en) | A kind of speed changer export structure and speed changer | |
| CN101586523B (en) | Noncircular planetary gear hydraulic motor | |
| CN207049219U (en) | Corrosion-resistant flexible sliding cross coupling | |
| CN206530652U (en) | Main reducing gear with transition axis | |
| CN107191481A (en) | A kind of ball spline | |
| CN203656129U (en) | Torque transfer device for slip ring hollow shaft of wind driven generator | |
| CN206429559U (en) | A kind of contact net catenary working car | |
| CN202356827U (en) | Piston ring assembling machine | |
| CN201486743U (en) | Noncircular planetary wheel hydraulic motor | |
| CN205371634U (en) | Rotation axis rotary seal structure | |
| CN204251262U (en) | Torque limiting and ratchet brake assembly structure | |
| CN209195986U (en) | A kind of double flexible ultrashort type Hooks coupling universal couplings | |
| CN203822880U (en) | Novel transmission shaft | |
| CN206268308U (en) | A kind of Hooke's joint power transmission shaft with sealing device | |
| CN207889805U (en) | A kind of steering speed increaser | |
| CN202992527U (en) | Flywheel casing for agricultural machines | |
| CN206816697U (en) | Shaft drive | |
| CN204852058U (en) | Universal joint assembly | |
| CN208793599U (en) | Lubrication system between block selecting axis and gearbox case lid | |
| CN204716779U (en) | Linkage structure | |
| CN203857019U (en) | Loader fixed shaft type gearbox bearing lubrication device | |
| CN204135994U (en) | A kind of axle sleeve bottle opener | |
| CN203432989U (en) | Velocity sensor | |
| CN208311419U (en) | A kind of speed reducer compact output connecting structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170922 |