CN201129367Y - Revolving shaft supporting device - Google Patents
Revolving shaft supporting device Download PDFInfo
- Publication number
- CN201129367Y CN201129367Y CNU2007203111124U CN200720311112U CN201129367Y CN 201129367 Y CN201129367 Y CN 201129367Y CN U2007203111124 U CNU2007203111124 U CN U2007203111124U CN 200720311112 U CN200720311112 U CN 200720311112U CN 201129367 Y CN201129367 Y CN 201129367Y
- Authority
- CN
- China
- Prior art keywords
- bearing
- engagement portion
- rotatingshaft
- croze
- support device
- 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
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Abstract
The utility model relates to a rotating shaft supporting device, which comprises a bearing retainer, a bearing, a bearing clamping portion, a bearing support segment and a shaft clamping portion which is in mutual concave-convex engagement with the bearing seizing portion. The bearing is fixed inside a retainer hole, and the bearing support segment is supported inside the bearing. The bearing clamping portion coupled to an inner ring of the bearing is peripherally fixed relatively to the inner ring, and the shaft clamping portion is fixedly arranged on the circumferential surface of the bearing support segment. Convex-concave engagement between a rotating shaft and the bearing enables the rotating shaft to avoid unnecessary sliding abrasion in rotation, and convenience of the rotating shaft supporting device can be brought for assembling components.
Description
Technical field
The utility model relates to a kind of support device, refers to a kind of rotatingshaft support device that is applicable to the vehicle carrier especially.
Background technique
Generally speaking, in the vehicle carrier, rotatingshaft can dispose bearing to support rotatingshaft and to reduce abrasion.With reference to figure 1, it illustrates the sectional drawing of known power transmission shaft support device.Has belt continuous variable speed (ContinuouslyVariable Transmission with one; CVT) locomotive of system is an example, and for keeping the rigidity of belt pulley axle 1 under running up, bearing 2 can be arranged in the cinclides 7 that is arranged with on the belt chamber cap 3.When considering assembled, be typically designed in the cinclides 7 that bearing 2 is press-fit in above-mentioned belt chamber cap 3 in advance, then wear during assembling and place bearing 2 with belt pulley axle 1 pine.
With above-mentioned configuration mode, 2 phenomenons that can produce slide relative on sense of rotation of belt pulley axle 1 and bearing when vehicle operation so will cause the belt pulley axle 1 and the material of bearing 2 to wear away, and reduce part life easily.Therefore known techniques is arranged is that a lubricated lining 4 is set between belt pulley axle 1 and bearing 2, and lubricated lining 4 inside offer a hollow grease chamber 5, reach an oilhole 6.
Above-mentioned hollow grease chamber 5 is in order to hold lubricant grease, 6 environment that are communicated with hollow grease chamber 5 and lubricated lining 4 outsides of oilhole.During assembling, lubricated lining 4 is anchored on belt pulley axle 1 in advance, will lubricate lining 4 loose combos again and be loaded in the bearing 2.Lubricant oil is got rid of between lubricated lining 4 and the bearing 2 through oilhole 6 during the device running, reaches lubrication effect, and also the buffer action because of lubricant oil reduces the material abrasion that the two causes because of slide relative on the sense of rotation.
Yet in the above-mentioned conventional designs, the procedure of its lining is comparatively complicated, needs to bore oilhole, grinds external diameter, turning grease chamber internal diameter, and therefore the high problem of manufacture cost is also arranged.In addition, lubricant oil also has the problem that consumes and wear out, and needs regular replenishment and replacing, and generally speaking, maintenance is inconvenience comparatively.
The model utility content
The purpose of this utility model is to provide a kind of rotatingshaft support device easy to assembly, with low cost.
Rotatingshaft support device of the present utility model includes a bearing fixed seat, a bearing, a bearing engagement portion, a bearings section and an engagement portion.Bearing fixed seat includes a fixed base hole, and the fixed base hole includes a hole inner ring surface.
Above-mentioned bearing includes a ring and an outer shroud in one, and outer shroud closely is contacted with the seat hole inner ring surface in said fixing seat hole.The bearing engagement portion is coupled in the interior ring of bearing, and is circumferentially fixing with respect to interior ring.Above-mentioned bearings section is for constituting the some of rotatingshaft, and it is supported in the bearing, and the bearings section also has a circumferential surface.The axle engagement portion is installed on the circumferential surface of above-mentioned bearings section, and its axis engagement portion is concavo-convex the cooperation with the bearing engagement portion.
The concavo-convex matching design of above-mentioned bearing engagement portion and axle engagement portion can be following situation: the bearing engagement portion is a groove structure, and the axle engagement portion then is a corresponding cord tissue; Perhaps the bearing engagement portion is a cord tissue, and the axle engagement portion then is a corresponding groove structure.Above-mentioned cord tissue can be the polygonal cord tissue, for example triangle cord tissue or rectangle cord tissue.
Better person, rotatingshaft can be a croze axle (Spline Shaft), the axle engagement portion can be the outer croze (spline) on the croze axle, and the bearing engagement portion is a croze lining, be fixed with pressure in above-mentioned bearing, the croze lining includes croze in, wherein, interior croze is positioned on the lining inner ring surface of croze lining, in order to engage above-mentioned axle engagement portion.
Advantage of the present utility model is, by axle engagement portion and bearing engagement portion, make and have between rotatingshaft and the bearing that a circumferential upper limit cooperates and the rotatingshaft running that reaches fricton-tight abrasion, it not only has convenience in the assembling concurrently, save and need dispose a lubricated lining through complicated processing separately on known, on the other hand, be a good design alternative in the cheap support that also makes the utility model be used in rotatingshaft of simplicity in the design and manufacture cost.
Description of drawings
Fig. 1 is the sectional drawing of known power transmission shaft support device;
Fig. 2 is the rotatingshaft support device sectional drawing of the utility model one preferred embodiment;
Fig. 3 is the rotatingshaft support device exploded view of the utility model one preferred embodiment;
Fig. 4 is the rotatingshaft support device exploded view of another preferred embodiment of the utility model.
The primary clustering symbol description
Belt pulley axle 1 bearing 2
Cinclides 7
Bearing fixed seat 20 fixed base holes 21
Seat hole inner ring surface 22 bearings 30,30a
Croze 43 in the lining inner ring surface 42
Axle engagement portion 44, 44a rotatingshaft 50,50a
Embodiment
With reference to figure 2 and Fig. 3, it illustrates the rotatingshaft support device sectional drawing and the exploded view of the utility model one preferred embodiment respectively.In the utility model one preferred embodiment, rotatingshaft support device system is applied to the belt pulley axle of vehicle carrier, but is not limited thereto certainly, and the support applications occasion of various rotatingshafts all is contained in spirit of the present utility model and the scope.
The rotatingshaft support device includes a bearing fixed seat 20, a bearing 30, bearing engagement portion 41, bearings section 51 and an engagement portion 44.Bearing fixed seat 20 has a fixed base hole 21, and fixed base hole 21 includes a hole inner ring surface 22.Bearing fixed seat 20 in this example is to utilize the belt chamber cap and directly formation, that is is arranged with a hole and defines the bearing fixed seat 20 with hole 21 at the belt chamber cap.This bearing fixed seat 20 supports rotatingshaft 50 jointly with bearing 30.
Bearing 30 is fixed with pressure in fixed base hole 21, and bearing 30 includes ring 31 and one outer shroud 33 in, closely is contacted with a hole inner ring surface 22 and reaches fastening with outer shroud 33.
The end of bearings section 51 for supported by bearing 30, it is placed through in the bearing 30.Bearings section 51 has a circumferential surface 52, is installed with an engagement portion 44 on the circumferential surface 52.Rotatingshaft 50 is a croze axle in this example, and the axle engagement portion 44 be direct forming on the croze axle one outside croze (spline).
Above-mentioned croze structure all can utilize general kerve mould-forming method to produce.The groove part of axle engagement portion and bearing engagement portion one is opened on end face, and for example the bearing engagement portion of icon snaps in so that corresponding clipping device can be assembled.
When rotatingshaft 50 running, the croze lining sees through geometry external form between the axle engagement portion 44 (promptly outer croze splin) that sets firmly on croze 43 and rotatingshaft 50 circumferential surface 52 in it and cooperates and be rotated 50 driven rotary.Again, circumferentially fixing because of being press-fitted based on croze lining and 30 on bearing, the interior ring 31 of bearing 30, croze lining and rotatingshaft 50 rotate really synchronously, and good bearings effect also is provided simultaneously.
With reference to figure 4, it illustrates another embodiment's of the utility model rotatingshaft support device exploded view.Present embodiment and the foregoing description are roughly the same, wherein difference be in, the axle engagement portion 44a be the cord tissue of triangle or rough triangular-section, be different from the rectangle croze of previous embodiment; And bearing engagement portion 41a replaces the form of above-mentioned croze lining, is one directly to be formed at bearing inner ring 31a and to go up, be the groove structure that cooperates for how much with axle engagement portion 44a, and these design similarly can make between bearing 30a and the rotatingshaft 50a and engage mutually.
Configuration by said modules, owing to can see through between rotatingshaft and the bearing and engage mechanism and assemble mutually, not only have property easy to assembly, when power transmission, also avoided causing the disappearance that power transmission is not certain, reach fret wear because of slide relative between axle and its supporting element.
In addition, the utility model is also more simple, cheap compared to known design of offering grease chamber and oilhole in lining on design complexities and processing and fabricating cost, so the utility model has really been taken into account simplicity of design, with low cost, easy to assembly and have good rotatingshaft and support effect.
Claims (8)
1. rotatingshaft support device is characterized in that comprising:
One bearing fixed seat includes a fixed base hole, and this fixed base hole includes a hole inner ring surface;
One bearing includes a ring and an outer shroud in one, and this outer shroud closely is contacted with this hole inner ring surface in this fixed base hole;
One bearing engagement portion is coupled in should interiorly encircling of this bearing, and circumferentially fixing with respect to ring in this;
One bearings section is supported in this bearing, and this bearings section has a circumferential surface; And
An engagement portion is fixedly arranged on this circumferential surface of this bearings section;
Wherein, the bearing engagement portion is concavo-convex cooperates with this in this engagement portion.
2. rotatingshaft support device according to claim 1 is characterized in that this bearing engagement portion is a groove structure.
3. rotatingshaft support device according to claim 1 is characterized in that this bearing engagement portion is a cord tissue.
4. rotatingshaft support device according to claim 3 is characterized in that this bearing engagement portion is a polygonal cord tissue.
5. rotatingshaft support device according to claim 3 is characterized in that this bearing engagement portion is a triangle cord tissue.
6. rotatingshaft support device according to claim 3 is characterized in that this bearing engagement portion is a rectangle cord tissue.
7. rotatingshaft support device according to claim 1 is characterized in that this rotatingshaft is a croze axle, and this engagement portion is the outer croze on this croze axle.
8. rotatingshaft support device according to claim 1 is characterized in that this bearing engagement portion is a croze lining, is fixed with pressure in this bearing, this croze lining includes croze in, wherein, croze is positioned on the lining inner ring surface of this croze lining, in order to engage this engagement portion in this.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203111124U CN201129367Y (en) | 2007-12-25 | 2007-12-25 | Revolving shaft supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203111124U CN201129367Y (en) | 2007-12-25 | 2007-12-25 | Revolving shaft supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201129367Y true CN201129367Y (en) | 2008-10-08 |
Family
ID=40017210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007203111124U Expired - Fee Related CN201129367Y (en) | 2007-12-25 | 2007-12-25 | Revolving shaft supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201129367Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102192243A (en) * | 2011-04-11 | 2011-09-21 | 许晓华 | Bearing fixing structure |
| CN104960011A (en) * | 2015-06-06 | 2015-10-07 | 安庆市天润纸塑包装有限责任公司 | Splitting machine cutting device with replaceable cutting blades |
| CN105499455A (en) * | 2016-01-07 | 2016-04-20 | 江苏上汽汽车同步器厂 | Transmission mechanism of gear rolling machine |
-
2007
- 2007-12-25 CN CNU2007203111124U patent/CN201129367Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102192243A (en) * | 2011-04-11 | 2011-09-21 | 许晓华 | Bearing fixing structure |
| CN102192243B (en) * | 2011-04-11 | 2012-11-28 | 许晓华 | Bearing fixing structure |
| CN104960011A (en) * | 2015-06-06 | 2015-10-07 | 安庆市天润纸塑包装有限责任公司 | Splitting machine cutting device with replaceable cutting blades |
| CN105499455A (en) * | 2016-01-07 | 2016-04-20 | 江苏上汽汽车同步器厂 | Transmission mechanism of gear rolling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081008 Termination date: 20151225 |
|
| EXPY | Termination of patent right or utility model |