CN205101405U - Rolling bearing - Google Patents
Rolling bearing Download PDFInfo
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- CN205101405U CN205101405U CN201520852903.2U CN201520852903U CN205101405U CN 205101405 U CN205101405 U CN 205101405U CN 201520852903 U CN201520852903 U CN 201520852903U CN 205101405 U CN205101405 U CN 205101405U
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- concave curved
- curved surface
- conical
- rolling bearing
- bearing
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Abstract
The utility model provides a rolling bearing, including the outer lane, the inner circle and be located the outer lane and the inner circle between the ball, characteristics are that the axial central part of this outer lane outer peripheral face is established to the concave curved surface, each side of these concave curved surface both sides is provided with two section at least circular conical surfaces respectively, and the circular conical surface that is located two abutting ends of concave curved surface docks with this concave curved surface is level and smooth respectively, smooth transition between two sections adjacent circular conical surfaces, the outer peripheral face that makes the outer lane forms smooth continuous concave book surface, these conical become the slope of a buffering, can let thread segmentation on the bearing stop, can slowly concentrate on the middle part position of bearing again, thereby reduce the looks mutual friction between thread, can avoid the spheroid friction of thread and long ball again, increase the rotatory time of long ball, make the movements in martial arts of long ball smoothly accomplish. The utility model discloses a bearing design is more ingenious, reasonable, has more effectively solved the technological problem that current bearing still exists, makes the performance of long ball obtain further improvement.
Description
Technical field
The utility model relates to a kind of bearing structure, specifically a kind of rolling bearing.
Background technique
Rolling bearing much all makes the face that there are concave arc shape and " V " shape in surface now, just as US Patent No. 7175500 and Chinese patent CN201210089146.9, it is a concave arc surface that these two patents all disclose its bearing, such design is in order to player is when playing the fancy playing method of Climbing top Yo-Yo, rope yarn repeats multistage and rides on bearing outside surface, avoid rope yarn to touch the side wall surface of two spheroids as far as possible, the rope yarn of circle on bearing is allowed more to concentrate on the center of bearing, make the idle running time of Climbing top Yo-Yo longer, can more fancy be played.But no matter be the face of concave arc shape or the face of " V " shape, the outer circumferential face of its bearing is an arc concave and straight line completely, therefore rope yarn can be allowed to focus on centre fast, therefore when occurring in movements in martial arts that multiply rope yarn is overlapped on outer circumferential face, the mutual friction of these multiply rope yarns meeting phase, increase frictional force, therefore be easy to cause Climbing top Yo-Yo to stop operating; And if by excessive for the angle in concave arc surface or " V " shape face, then lose and rope yarn concentrated on middle function.
When Climbing top Yo-Yo does horizontal skill movements in martial arts (namely Climbing top Yo-Yo is sidewards in the movements in martial arts done when horizontally rotating), existing rolling bearing, no matter be concave arc surface or " V " shape face, movements in martial arts formed powerful centrifugal force the line gathered into folds can be allowed all to be stacked in the bosom of groove rapidly, rope yarn stack do movements in martial arts will allow Climbing top Yo-Yo reclaim or stop suddenly.
Summary of the invention
For the problem existing for above-mentioned prior art, the purpose of this utility model is to provide the rolling bearing that a kind of movements in martial arts of making contact making more complexity do not affect again Climbing top Yo-Yo verticity.
For achieving the above object, the technological scheme that the utility model adopts is: a kind of rolling bearing, comprise outer ring, inner ring and the ball between outer ring and inner ring, be characterized in that the axial central part of described outer ring outer circumferential face is set to concave curved surface, every side of these concave curved surface both sides is respectively arranged with at least two sections of conical surfaces, and the conical surface being positioned at described concave curved surface two butt ends smoothly docks with this concave curved surface respectively, seamlessly transit between two sections of adjacent conical surfaces, make the outer circumferential face of described outer ring form the recessed folding surface of smooth continuous print.
In order to rope yarn segmentation on bearing can be allowed to stop, and draw close to middle part gradually, in each section of conical surface of described concave curved surface the same side, the cone angle near the conical surface of described concave curved surface is all greater than the cone angle of the conical surface away from described concave curved surface.
In order to ensure this ball bearing, stationarity is better in use further, and described recessed folding surface is symmetrical about its axial middle position.
In order to complicated movements in martial arts of making contact better can be made, between two sections of conical surfaces that described concave curved surface is adjacent with this concave curved surface, form the recess supplying the rope yarn of multiply Climbing top Yo-Yo to overlap.
The utility model, in the length of each section of conical surface of concave curved surface the same side, can have three kinds of modes: the first is the length being greater than the conical surface away from described concave curved surface near the length of conical surface of described concave curved surface; The second is the length being less than the conical surface away from described concave curved surface near the length of conical surface of described concave curved surface; The identical length that can certainly be all conical surfaces is same.The length of these conical surfaces refers to the length of this section of conical surface along its generatrix direction, i.e. bus length, and the length of the conical surface of this model utility is 0.5mm-1.5mm.
Concave curved surface of the present utility model is the overall arc surface to the radial depressions of bearing, can also be the overall parabola to the radial depressions of bearing.Therefore when doing grandstand play, rope yarn is wrapped on bearing and also can keeps concentrating on bearing medium position, thus keep the whole machine balancing of Climbing top Yo-Yo.
When concave curved surface of the present utility model is arc surface, the ideal radius value of described arc surface is the arc surface of 0.1mm-4mm.
Further, its optimum efficiency is, described concave curved surface is the arc surface of radius 0.2mm.
When concave curved surface is arc surface, ideal design is, the central angle that the two ends of described concave curved surface and its circle center line connecting are formed is less than 90 °; Certainly, also not getting rid of the central angle that the two ends of described concave curved surface and its circle center line connecting are formed is 90 °-180 °; Or even the situation that the central angle formed is greater than 180 °.
Conveniently this bearing is processed by utensil clamping, and the outer circumferential face of described outer ring also includes the toroidal surface intersected vertically with the end face of described outer ring being positioned at edge.
Further in order to reach better glossy effect, smoothly dock between described toroidal surface and adjacent conical surface.
The ideal width of toroidal surface of the present utility model is 0mm-0.5mm, namely meets by utensil clamping and can keep firmly width.The optimum width of described toroidal surface is 0.2mm.
The utility model also provides a kind of Climbing top Yo-Yo, is characterized in comprising above-mentioned rolling bearing.
The utility model is provided with concave curved surface owing to adopting at the axial central part of the outer ring of Climbing top Yo-Yo bearing, at least two sections of conical surfaces are respectively arranged with again in every side of these concave curved surface both sides, therefore compare the design that existing outer circumferential face is concave arc surface or " V " shape face, these conical surfaces form the gradient of a buffering, rope yarn segmentation on bearing can be allowed to stop, thus the phase mutual friction between minimizing rope yarn, such that the movements in martial arts of Climbing top Yo-Yo are smooth and easy to be completed; All be greater than the cone angle of the conical surface away from concave curved surface near the cone angle of the conical surface of concave curved surface in these conical surfaces of this concave curved surface the same side, therefore can maintain allow rope yarn on bearing segmentation stop function, in the recess that simultaneously rope yarn can be made again to concentrate on to be formed between concave curved surface two sections of conical surfaces adjacent with this concave curved surface, avoid the sphere friction of rope yarn and Climbing top Yo-Yo, increase the rotational time of Climbing top Yo-Yo; When the Climbing top Yo-Yo applying this bearing does horizontal skill movements in martial arts, Climbing top Yo-Yo is in horizontally rotating, and now rope yarn can hang on the peripheral soft conical surface of bearing for a long time, makes horizontal skill movements in martial arts completeness higher, does more smooth; Again owing to being provided with the toroidal surface intersected vertically with the end face of outer ring in the edge of bearing, this toroidal surface better can solve the problem of clamping processing.Design bearing of the present utility model is more ingenious, reasonable, and the more effective technical barrier solving existing bearing and still exist, makes the performance of Climbing top Yo-Yo be further improved.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is perspective view of the present utility model.
Fig. 2 is the sectional structure schematic diagram of the utility model embodiment one.
Fig. 3 is the sectional structure schematic diagram of the utility model embodiment two.
Fig. 4 is the enlarged diagram of X part in Fig. 2.
Fig. 5 is the enlarged diagram of Y part in Fig. 3.
Fig. 6 is the perspective view that the utility model multistage rope yarn is overlapped on bearing.
Fig. 7 is the Facad structure schematic diagram of Fig. 6.
Embodiment
As shown in Figures 1 to 7, a kind of rolling bearing described in this embodiment, comprise outer ring 1, inner ring 2 and the ball between outer ring 1 and inner ring 23, wherein the axial central part of this outer ring 1 outer circumferential face is set to concave curved surface 4, every side of these concave curved surface 4 both sides is respectively arranged with at least two sections of conical surfaces 5, and the conical surface 5 being positioned at concave curved surface 4 two butt ends smoothly docks with this concave curved surface 4 respectively, seamlessly transit between two sections of adjacent conical surfaces 5, the outer circumferential face of outer ring 1 is made to form the recessed folding surface of smooth continuous print, therefore compare the design that existing outer circumferential face is concave arc surface or " V " shape face, these conical surfaces form the gradient of a buffering, rope yarn segmentation on bearing can be allowed to stop, thus the phase mutual friction between minimizing rope yarn, make that the movements in martial arts of Climbing top Yo-Yo are smooth and easy to be completed.
embodiment one:
As shown in Figure 2, the external diameter of the outer ring 1 of the bearing of this embodiment is 15.4mm, the internal diameter of inner ring 2 is 10mm, thickness is 4mm, this bearing outer circumferential face includes concave curved surface 4 and four sections of conical surfaces 5 of axial central part, there are two sections of conical surfaces 5 every side of each concave curved surface 4 both sides, this concave curved surface 4 is positioned at the axial central part of bearing outer ring 1 outer circumferential face, this concave curved surface 4 radius is 0.2mm, the degree of depth of the least significant end distance outer circumferential face of this concave curved surface 4 is 0.5mm-1mm, and the central angle η that the two ends of this concave curved surface 4 and its circle center line connecting are formed is acute angle, as shown in Figure 4, this central angle η is about 74 °, two sections of conical surfaces 5 that this embodiment is adjacent with concave curved surface 4 are defined as the C conical surface and the D conical surface, this C conical surface and the D conical surface are connected with the two ends of concave curved surface 4 are tangent respectively, and the conical surface 5 be positioned at outside the C conical surface is defined as the A conical surface, be connected by chamfering between this A conical surface with C conical surface, the conical surface 5 be positioned at outside the D conical surface is defined as the B conical surface, is connected by chamfering equally between this B conical surface with D conical surface, wherein the length of the C conical surface and the D conical surface is longer than the length of the A conical surface and the B conical surface, and length here refers to the length of this section of conical surface along its generatrix direction, and the C conical surface of this embodiment and the length of the D conical surface are 1mm-1.5mm, and the length of the A conical surface and the B conical surface is approximately 0.5mm-1mm.Now the C conical surface is identical with the cone angle size of the D conical surface, is α; And the A conical surface is identical with the cone angle size of the B conical surface, be β.The α angle of this embodiment is greater than β angle.In addition, be provided with the toroidal surface 6 perpendicular with the end face of outer ring 1 in the outer circumferential face edge of bearing, this toroidal surface 6 is connected with the A conical surface or the B conical surface, and this toroidal surface 6 is for the ease of clamping, therefore machining accuracy can be improved, and then improve the performance of the Climbing top Yo-Yo using this bearing.Design as Fig. 2 is in order to player is when playing the fancy playing method of Climbing top Yo-Yo, multistage rope yarn 8 is overlapped on bearing outer circumferential face, rope yarn 8 can be effectively avoided to touch the side wall surface of two spheroids, the recess allowing the rope yarn 8 be overlapped on bearing more concentrate on the concave curved surface 4 of bearing and the C conical surface, the D conical surface to be formed, the conical surface 5 of the A conical surface and the B conical surface then forms the gradient of a buffering, rope yarn 8 segmentation on bearing can be allowed to stop, thus the phase mutual friction reduced between rope yarn 8, such that the movements in martial arts of Climbing top Yo-Yo are smooth and easy to be completed.
embodiment two:
As shown in Figure 3, the bearing size of this embodiment is identical with embodiment one, its difference is the change of the concave curved surface 4 of this embodiment, the concave curved surface 4 of this embodiment is in the sensation that significantly caves in, the concave curved surface 4 of this embodiment is also arc surface, and the degree of depth of the least significant end distance outer circumferential face of concave curved surface 4 is now darker, and the central angle η that the two ends of this concave curved surface 4 and its circle center line connecting are formed becomes obtuse angle, as shown in Figure 5, this central angle η is about 175 °; This embodiment also has 4 conical surfaces 5, and be the cone angle being greater than the conical surface 5 away from concave curved surface 4 in two conical surfaces 5 of concave curved surface 4 the same side near the cone angle of the conical surface 5 of concave curved surface 4 equally, namely α angle is greater than β angle.The concave curved surface 4 of such design, better can concentrate on the central position of bearing by the rope yarn 8 ridden on bearing outer circumferential face; Much shorter than the length away from the conical surface 5 of concave curved surface 4 near the length of the conical surface of concave curved surface 4 in this embodiment, the length of this former conical surface 5 away from concave curved surface 4 is more much longer than the length of the conical surface 5 away from concave curved surface 4 of embodiment one, therefore effectively can improve the duration of buffering, rope yarn can be gathered to neutral position lentamente; Rope yarn 8 can be made to concentrate in recessed dark concave curved surface 4 simultaneously, more effectively reduce rope yarn 8 and sphere friction, increase the rotational time of Climbing top Yo-Yo.
Below by according to but the bearing pack being not limited to above two embodiments install to Climbing top Yo-Yo toy other assemblies on after be described.The Climbing top Yo-Yo of this embodiment includes an above-mentioned bearing, two disk body 7, coupling shaft and rope yarns 8, the two ends of this coupling shaft are connected with these two opposing disk bodies 7, this bearing then between amphidisc 7 and the inner ring 2 of this bearing through this coupling shaft, then utilizing rope yarn 8 to overlap receives on the outer circumferential face of outer ring 1 of bearing, namely the assembling of Climbing top Yo-Yo is completed, now this rope yarn 8 is positioned at the outer circumferential face middle position of bearing automatically, i.e. the position of concave curved surface 4; After Climbing top Yo-Yo High Rotation Speed, can start to do various grandstand play, as shown in Figure 6 be that rope yarn 8 has been overlapped four times on bearing, bearing outer circumferential face now has five sections, be overlapped on concave curved surface 4 and conical surface 5 respectively, but substantially all concentrate on the conical surface 5 of concave curved surface 4 and close concave curved surface 4, as shown in Figure 7; This Climbing top Yo-Yo is when doing horizontal skill movements in martial arts (namely Climbing top Yo-Yo is sidewards in the movements in martial arts done when horizontally rotating), conical surface 5 outside this Bearing support has the effect of buffering, because Climbing top Yo-Yo is in horizontally rotating when doing horizontal skill, rope yarn 8 can hang on the peripheral soft conical surface 5 of bearing for a long time, thus make horizontal skill movements in martial arts completeness higher, do more smooth.
Although the utility model describes with reference to specific embodiment, this description not meaning that is construed as limiting the utility model.With reference to description of the present utility model, other changes of the disclosed embodiments, all can expect for those skilled in the art, this change should belong in appended claims limited range.
Claims (18)
1. a rolling bearing, comprise outer ring (1), inner ring (2) and the ball (3) be positioned between outer ring (1) and inner ring (2), it is characterized in that: the axial central part of described outer ring (1) outer circumferential face is set to concave curved surface (4), every side of this concave curved surface (4) both sides is respectively arranged with at least two sections of conical surfaces (5), and the conical surface (5) being positioned at described concave curved surface (4) two butt ends smoothly docks with this concave curved surface (4) respectively, seamlessly transit between two sections of adjacent conical surfaces (5), the outer circumferential face of described outer ring (1) is made to form the recessed folding surface of smooth continuous print.
2. rolling bearing according to claim 1, it is characterized in that: in each section of conical surface (5) of described concave curved surface (4) the same side, the cone angle near the conical surface (5) of described concave curved surface (4) is all greater than the cone angle of the conical surface (5) away from described concave curved surface (4).
3. rolling bearing according to claim 1, is characterized in that: described recessed folding surface is symmetrical about its axial middle position.
4. rolling bearing according to claim 1, is characterized in that: form the recess supplying the rope yarn (8) of multiply Climbing top Yo-Yo to overlap between two sections of conical surfaces (5) that described concave curved surface (4) is adjacent with this concave curved surface (4).
5. rolling bearing according to claim 1, it is characterized in that: in each section of conical surface (5) of described concave curved surface (4) the same side, the length near the conical surface (5) of described concave curved surface (4) is greater than the length of the conical surface (5) away from described concave curved surface (4).
6. rolling bearing according to claim 1, it is characterized in that: in each section of conical surface (5) of described concave curved surface (4) the same side, the length near the conical surface (5) of described concave curved surface (4) is less than the length of the conical surface (5) away from described concave curved surface (4).
7. rolling bearing according to claim 1, is characterized in that: the length of described conical surface is 0.5mm-1.5mm.
8. rolling bearing according to claim 1, is characterized in that: described concave curved surface (4) is the overall arc surface to the radial depressions of bearing.
9. rolling bearing according to claim 8, is characterized in that: the arc surface that described concave curved surface (4) is radius 0.1mm-4mm.
10. rolling bearing according to claim 8, is characterized in that: the arc surface that described concave curved surface (4) is radius 0.2mm.
11. rolling bearings according to claim 8, is characterized in that: the central angle that the two ends of described concave curved surface (4) and its circle center line connecting are formed is less than 90 °.
12. rolling bearings according to claim 8, is characterized in that: the central angle that the two ends of described concave curved surface (4) and its circle center line connecting are formed is 90 °-180 °.
13. rolling bearings according to claim 1, is characterized in that: described concave curved surface (4) is the overall parabola to the radial depressions of bearing.
14. rolling bearings according to claim 1, is characterized in that: the outer circumferential face of described outer ring (1) also includes the toroidal surface (6) intersected vertically with the end face of described outer ring (1) being positioned at edge.
15. rolling bearings according to claim 14, is characterized in that: smoothly dock between described toroidal surface (6) with adjacent conical surface (5).
16. rolling bearings according to claim 14, is characterized in that: the width of described toroidal surface (6) is 0mm-0.5mm.
17. rolling bearings according to claim 14, is characterized in that: the width of described toroidal surface (6) is 0.2mm.
18. 1 kinds of Climbing top Yo-Yos, is characterized in that: comprise the rolling bearing as described in any one of claim 1 to 17.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520852903.2U CN205101405U (en) | 2015-10-30 | 2015-10-30 | Rolling bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520852903.2U CN205101405U (en) | 2015-10-30 | 2015-10-30 | Rolling bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205101405U true CN205101405U (en) | 2016-03-23 |
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ID=55517187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520852903.2U Expired - Fee Related CN205101405U (en) | 2015-10-30 | 2015-10-30 | Rolling bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205101405U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257704A (en) * | 2015-10-30 | 2016-01-20 | 广东奥飞动漫文化股份有限公司 | Rolling bearing |
-
2015
- 2015-10-30 CN CN201520852903.2U patent/CN205101405U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257704A (en) * | 2015-10-30 | 2016-01-20 | 广东奥飞动漫文化股份有限公司 | Rolling bearing |
| WO2017071138A1 (en) * | 2015-10-30 | 2017-05-04 | 广东奥飞动漫文化股份有限公司 | Rolling bearing |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160323 Termination date: 20211030 |