CN114688154B - Sprocket bearing, transmission mechanism and transmission mechanism - Google Patents

Sprocket bearing, transmission mechanism and transmission mechanism Download PDF

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Publication number
CN114688154B
CN114688154B CN202210202210.3A CN202210202210A CN114688154B CN 114688154 B CN114688154 B CN 114688154B CN 202210202210 A CN202210202210 A CN 202210202210A CN 114688154 B CN114688154 B CN 114688154B
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CN
China
Prior art keywords
outer ring
core body
ring
rollers
roller
Prior art date
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CN202210202210.3A
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Chinese (zh)
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CN114688154A (en
Inventor
唐元超
王爱红
郭祥飞
靳祖孟
张阴坡
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Shandong Zhaoyang Bearing Co ltd
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Shandong Zhaoyang Bearing Co ltd
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Priority to CN202210202210.3A priority Critical patent/CN114688154B/en
Publication of CN114688154A publication Critical patent/CN114688154A/en
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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
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
    • F16C19/36—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers
    • F16C19/361—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers with cylindrical rollers
    • 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/583—Details of specific parts of races
    • 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/66—Special parts or details in view of lubrication
    • F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
    • 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
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/30—Chain-wheels

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

The invention belongs to the field of bearings, and in particular relates to a sprocket bearing, a transmission mechanism and a transmission mechanism, wherein the sprocket bearing comprises: the outer ring is made of flexible materials; the core body is positioned on the inner side of the outer ring, and an annular clamping cavity is formed between the core body and the outer ring; the plurality of rollers are arranged, each roller is positioned in the annular clamp cavity, and the rollers, the outer ring and the core body form rolling fit; the inner rings are provided with at least two, each inner ring is positioned at the edge of the core body, a part of area of the outer ring surface of each inner ring is in sliding fit with an arc-shaped groove arranged at the edge of the core body, and the area of the outer ring surface of each inner ring positioned outside the arc-shaped groove is in rolling fit with the roller. The invention realizes that one bearing is provided with two parallel rotating shafts at the same time, reduces the installation clearance between adjacent rotating shafts, and ensures that the rotating mechanism using the bearing has more compact structure.

Description

Sprocket bearing, transmission mechanism and transmission mechanism
Technical Field
The invention belongs to the field of bearings, and particularly relates to a sprocket bearing, a transmission mechanism and a transmission mechanism.
Background
The bearing is a transmission part commonly used in the mechanical field, the traditional bearing is generally of a circular structure, each bearing can only be provided with one rotating shaft, in addition, the bearing is generally arranged on a bearing seat, so that the radial installation space of a single rotating shaft is larger, the tight arrangement of a plurality of rotating shafts is difficult to realize, the transmission requirement is difficult to meet under some special application scenes, for example, in the ship blade driving process, a plurality of rotating shafts which are arranged in parallel are generally adopted to replace one independent rotating shaft for transmission, so that the transmission efficiency of the unit sectional area of the rotating shafts is improved, the processing difficulty of the rotating shafts is reduced, the cost is reduced, however, the parallel arrangement of the rotating shafts can lead to overlarge radial installation space, and huge problems are brought to the ship structural design. In addition, the structural layout of the conveying mechanism such as the conveying belt in the prior art is also scattered, a large gap exists between the parts, a clamping phenomenon is easy to occur, the conveying efficiency is low, and the conveying mechanism is easy to wear, so that a conveying mechanism with a more compact structure is also needed to solve the problems.
Disclosure of Invention
In view of the above-described drawbacks of the prior art, an object of the present invention is to provide a sprocket bearing, a transmission mechanism and a transmission mechanism that are more compact in structure.
To achieve the above and other related objects, the present invention provides a sprocket bearing comprising:
the outer ring is made of flexible materials;
the core body is positioned on the inner side of the outer ring, and an annular clamping cavity is formed between the core body and the outer ring;
the plurality of rollers are arranged, each roller is positioned in the annular clamp cavity, and the rollers, the outer ring and the core body form rolling fit; and
the inner rings are provided with at least two, each inner ring is positioned at the edge of the core body, a part of area of the outer ring surface of the inner ring is in sliding fit with an arc-shaped groove arranged at the edge of the core body, and the area of the outer ring surface of the inner ring positioned outside the arc-shaped groove is in rolling fit with the roller.
In an alternative embodiment of the present invention, the arc surface of the arc-shaped groove is tangent to the outer wall of the core body at two ends of the arc-shaped groove, so that when the inner ring is placed in the arc-shaped groove, the outer ring surface of the inner ring and the surface of the core body have a smooth outer contour.
In an alternative embodiment of the invention, two sides of the annular clamp cavity are respectively provided with a retainer which is consistent with the outline of the annular clamp cavity, the retainer is fixedly connected with the core body, and two ends of the roller are blocked with the inner side of the retainer, so that the roller is limited in the annular clamp cavity.
In an alternative embodiment of the present invention, two inner rings are provided, the two inner rings are respectively located at two ends of the core, and an assembly formed by the two inner rings and the core has a oval outer contour.
In an alternative embodiment of the present invention, three inner rings are provided, the center points of the three inner rings are distributed in a triangle shape, and the assembly formed by the three inner rings and the core body has a rounded triangle outer contour.
In an alternative embodiment of the invention, the outer race is made of rubber.
In an alternative embodiment of the invention, the rollers are cylindrical, the axes of the rollers being parallel to the axis of the inner race.
To achieve the above and other related objects, the present invention also provides a transmission mechanism, including:
the outer ring is made of flexible materials;
the core body is positioned on the inner side of the outer ring, and an annular clamping cavity is formed between the core body and the outer ring;
the plurality of rollers are arranged, each roller is positioned in the annular clamp cavity, and the rollers, the outer ring and the core body form rolling fit;
the inner rings are provided with at least two, each inner ring is positioned at the edge of the core body, a part of area of the outer ring surface of the inner ring is in sliding fit with an arc-shaped groove arranged at the edge of the core body, and the area of the outer ring surface of the inner ring positioned outside the arc-shaped groove is in rolling fit with the roller;
the rotating shafts are provided with at least two, and each rotating shaft is respectively inserted into each inner ring, so that each rotating shaft is respectively and synchronously connected with each inner ring in a rotating way.
The novel gear transmission mechanism is characterized by further comprising an input shaft and an output shaft, wherein a first driving gear is arranged on the input shaft, a first driven gear is arranged at one end of each rotating shaft respectively, a second driving gear is arranged at the other end of each rotating shaft respectively, a second driven gear is arranged on the output shaft, the first driving gear is meshed with each first driven gear at the same time, and each second driving gear is meshed with each second driven gear at the same time.
To achieve the above and other related objects, the present invention also provides a transmission mechanism including:
the outer ring is made of flexible materials, and a first tooth-shaped surface is arranged on the outer ring surface of the outer ring;
the core body is positioned on the inner side of the outer ring, and an annular clamping cavity is formed between the core body and the outer ring;
the plurality of rollers are arranged, each roller is positioned in the annular clamp cavity, and the rollers, the outer ring and the core body form rolling fit;
the inner rings are provided with at least two, each inner ring is positioned at the edge of the core body, a part of area of the outer ring surface of the inner ring is in sliding fit with an arc-shaped groove arranged at the edge of the core body, and the area of the outer ring surface of the inner ring positioned outside the arc-shaped groove is in rolling fit with the roller;
the driving wheel is provided with a second tooth-shaped surface on the wheel surface, and the second tooth-shaped surface is meshed with the first tooth-shaped surface.
The invention has the technical effects that:
according to the invention, at least two inner rings share one outer ring, and the rollers can reciprocate between the two inner rings, so that one bearing is provided with two parallel rotating shafts at the same time, the installation gap between adjacent rotating shafts is reduced, and the structure of a rotating mechanism applying the bearing is more compact.
The outer ring is made of flexible materials, can adapt to the special-shaped profile formed by the inner ring and the core body, avoids the problem of large processing error and assembly error when rigid materials are used, and avoids roller runout; in addition, because the outer ring is flexible, the contact surface between the roller and the outer ring is increased, the lubrication condition is improved, the transmission efficiency is improved, and the transmission is smoother.
The transmission mechanism distributes the power of the input shaft to the plurality of rotating shafts, can improve the transmission efficiency of the unit sectional area of the rotating shafts, reduces the processing difficulty of the rotating shafts and further reduces the cost.
Compared with the traditional transmission device, the transmission device provided by the invention has the advantages that the structure is more compact, the lubrication condition is improved, the transmission efficiency is improved, and the transmission is smoother.
Drawings
FIG. 1 is a cross-sectional view of a sprocket bearing provided in one embodiment of the present invention;
FIG. 2 is a cross-sectional view of a sprocket bearing provided by another embodiment of the present invention;
FIG. 3 is a schematic diagram of a transmission provided by an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a transport mechanism provided by an embodiment of the present invention;
fig. 5 is an enlarged partial view of I of fig. 4.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict.
It should be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present invention by way of illustration, and only the components related to the present invention are shown in the illustrations, not according to the number, shape and size of the components in actual implementation, and the form, number and proportion of each component in actual implementation may be arbitrarily changed, and the layout of the components may be more complex.
Referring to fig. 1, a sprocket bearing includes an outer race 10, a core 20, rollers 30, and an inner race 40; the outer ring 10 is made of flexible materials; the core body 20 is positioned at the inner side of the outer ring 10, and an annular clamping cavity is formed between the core body 20 and the outer ring 10; the rollers 30 are provided in plurality, each roller 30 is positioned in the annular clamp cavity, and the rollers 30, the outer ring 10 and the core 20 form rolling fit; the inner rings 40 are provided with at least two inner rings 40, each inner ring 40 is located at the edge of the core 20, a partial area of an outer ring surface of the inner ring 40 is in sliding fit with an arc-shaped groove arranged at the edge of the core 20, and an area of an outer ring surface of the inner ring 40 located outside the arc-shaped groove is in rolling fit with the roller 30.
It can be understood that at least two inner rings 40 share one outer ring 10, and the rollers 30 can reciprocally circulate between the two inner rings 40, so that one bearing can simultaneously mount two parallel rotating shafts, the mounting gap between adjacent rotating shafts is reduced, and the structure of a rotating mechanism using the bearing is more compact. The outer ring 10 is made of flexible materials, can adapt to the special-shaped profile formed by the inner ring 40 and the core 20, avoids the problem of large processing error and assembly error when rigid materials are used, and avoids the jumping of the rollers 30; in addition, since the outer ring 10 is flexible, the contact surface between the rollers 30 and the outer ring 10 is increased, the lubrication condition is improved, the transmission efficiency is improved, and the transmission is smoother.
Referring to fig. 1, in a specific embodiment, the arc surface of the arc groove is tangent to the outer wall of the core 20 at two ends of the arc groove, so that when the inner ring 40 is placed in the arc groove, the outer ring surface of the inner ring 40 and the surface of the core 20 form a smooth outer contour. It will be appreciated that, due to the limitation of the machining precision, the arc-shaped grooves and the outer wall of the core 20 cannot be abutted in a tangential manner, and a certain chamfer or rounded angle is generally reserved at two ends of the arc-shaped grooves, so that the tangent between the arc-shaped surfaces of the arc-shaped grooves and the outer wall of the core 20 at two ends of the arc-shaped grooves in the present invention should not be understood as strict tangency in geometric sense, but should be combined with the general knowledge of those skilled in the art, taking fig. 1 as an example, as long as the arc-shaped grooves at two sides of the core 20 are guaranteed to be approximately tangent to the horizontal planes at the upper and lower ends of the core 20.
Referring to fig. 1, in a specific embodiment, two sides of the ring cavity are respectively provided with a retainer 50 corresponding to the contour of the ring cavity, the retainer 50 is fixedly connected with the core 20 relatively, and two ends of the roller 30 are blocked against the inner side of the retainer 50, so that the roller 30 is limited in the ring cavity.
Referring to fig. 1, in an embodiment, two inner rings 40 are provided, the two inner rings 40 are respectively located at two ends of the core 20, and an assembly formed by the two inner rings 40 and the core 20 has a oval outer contour. It will be appreciated that this embodiment is applicable to the case where two shafts are mounted adjacent to each other, the outer sides of the two inner rings 40 are in rolling engagement with the rollers 30, and the inner sides of the two inner rings 40 are in sliding engagement with the core 20, and it will be appreciated that in order to reduce friction between the inner rings 40 and the core 20, grease may be filled between the core 20 and the inner rings 40.
Referring to fig. 2, as another embodiment of the present invention, three inner rings 40 are provided, the center points of the three inner rings 40 are distributed in a triangle shape, and the assembly formed by the three inner rings 40 and the core 20 has a rounded triangle shape. It should be understood that the present embodiment is applicable to a case where three rotation shafts are arranged side by side, and in the light of the present embodiment, the number of the inner rings 40 of the present invention may be further extended, for example, four or even more inner rings 40 may be provided, and it should be noted that each inner ring 40 is located at each corner of the core 20, for example, when the number of the inner rings 40 is four, the core 20 should be substantially square, and four inner rings 40 are respectively provided at four corners of the square.
As an embodiment of the present invention, the outer ring 10 may be made of rubber, for example, and it is understood that the outer ring 10 of the present invention may be made of other flexible materials, such as silicone, nylon, etc., which have a certain deformability and rigidity in common, in order to support and guide the rollers 30, in addition to rubber.
In a specific embodiment of the present invention, the roller 30 may be, for example, cylindrical, and the axis of the roller 30 is parallel to the axis of the inner ring 40. It will be appreciated that the rollers 30 should have cylindrical sections and that it is not excluded that auxiliary structures such as trunnions, channels, etc. may be provided on the roll surface or ends of the rollers 30 in order to increase the efficiency of the transmission of the rollers 30.
Referring to fig. 3, based on the sprocket bearing, the present invention further provides a transmission mechanism, which includes an outer ring 10, a core 20, rollers 30, an inner ring 40 and a rotating shaft 70; the outer ring 10 is made of flexible materials; the core body 20 is positioned at the inner side of the outer ring 10, and an annular clamping cavity is formed between the core body 20 and the outer ring 10; the rollers 30 are provided in plurality, each roller 30 is positioned in the annular clamp cavity, and the rollers 30, the outer ring 10 and the core 20 form rolling fit; the inner rings 40 are provided with at least two, each inner ring 40 is positioned at the edge of the core 20, a part of the area of the outer ring surface of the inner ring 40 is in sliding fit with an arc-shaped groove arranged at the edge of the core 20, and the area of the outer ring surface of the inner ring 40 positioned outside the arc-shaped groove is in rolling fit with the roller 30; the number of the rotating shafts 70 is at least two, and each rotating shaft 70 is respectively inserted into each inner ring 40, so that each rotating shaft 70 is respectively and synchronously connected with each inner ring 40 in a rotating manner. It will be appreciated that this embodiment is one specific application to the sprocket bearing described above, which is used for power transmission of multiple parallel shafts.
Further, the transmission mechanism further includes an input shaft 80 and an output shaft 90, the input shaft 80 is provided with a first driving gear 81, one end of each rotating shaft 70 is respectively provided with a first driven gear 71, the other end of each rotating shaft 70 is respectively provided with a second driving gear 72, the output shaft 90 is provided with a second driven gear 91, the first driving gear 81 is simultaneously meshed with each first driven gear 71, and each second driving gear 72 is simultaneously meshed with the second driven gear 91. It can be appreciated that the power of the input shaft 80 is dispersed to the three rotating shafts 70 in this embodiment, so that the transmission efficiency of the unit sectional area of the rotating shaft 70 can be improved, the processing difficulty of the rotating shaft 70 is reduced, and the cost is further reduced. When the sprocket mechanism is used for fixing the plurality of rotating shafts 70, the radial assembly size can be reduced to the greatest extent, and the structure is more compact.
Referring to fig. 4 and 5, based on the sprocket bearing, the present invention further provides a transmission mechanism, which includes an outer ring 10, a core 20, rollers 30, an inner ring 40, and a driving wheel 60; the outer ring 10 is made of flexible materials, and a first tooth-shaped surface is arranged on the outer ring surface of the outer ring 10; the core body 20 is positioned at the inner side of the outer ring 10, and an annular clamping cavity is formed between the core body 20 and the outer ring 10; the rollers 30 are provided in plurality, each roller 30 is positioned in the annular clamp cavity, and the rollers 30, the outer ring 10 and the core 20 form rolling fit; the inner rings 40 are provided with at least two, each inner ring 40 is positioned at the edge of the core 20, a part of the area of the outer ring surface of the inner ring 40 is in sliding fit with an arc-shaped groove arranged at the edge of the core 20, and the area of the outer ring surface of the inner ring 40 positioned outside the arc-shaped groove is in rolling fit with the roller 30; the tread of the driving wheel 60 is provided with a second toothed surface which meshes with the first toothed surface. It will be appreciated that this embodiment is another specific application scenario of the sprocket bearing, in this embodiment, the sprocket bearing is used as a transmission mechanism, and compared with a conventional transmission device, the transmission mechanism of the present invention has a more compact structure, and because the outer ring 10 is flexible, the contact surface between the roller 30 and the outer ring 10 is increased, the lubrication condition is improved, the transmission efficiency is improved, and the transmission is smoother.
In summary, at least two inner rings 40 share one outer ring 10, and the rollers 30 can reciprocally circulate between the two inner rings 40, so that one bearing can simultaneously mount two parallel rotating shafts 70, reducing the mounting gap between adjacent rotating shafts 70, and making the structure of the rotating mechanism using the bearing more compact. The outer ring 10 is made of flexible materials, can adapt to the special-shaped profile formed by the inner ring 40 and the core 20, avoids the problem of large processing error and assembly error when rigid materials are used, and avoids the jumping of the rollers 30; in addition, as the outer ring 10 is flexible, the contact surface between the roller 30 and the outer ring 10 is increased, the lubrication condition is improved, the transmission efficiency is improved, and the transmission is smoother; the transmission mechanism of the invention distributes the power of the input shaft 80 to the plurality of rotating shafts 70, can improve the transmission efficiency of the unit sectional area of the rotating shafts 70, reduces the processing difficulty of the rotating shafts 70, and further reduces the cost. Compared with the traditional transmission device, the transmission device provided by the invention has the advantages that the structure is more compact, the lubrication condition is improved, the transmission efficiency is improved, and the transmission is smoother.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
In the description herein, numerous specific details are provided, such as examples of components and/or methods, to provide a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that an embodiment of the invention can be practiced without one or more of the specific details, or with other apparatus, systems, components, methods, components, materials, parts, and so forth. In other instances, well-known structures, materials, or operations are not specifically shown or described in detail to avoid obscuring aspects of embodiments of the invention.
Reference throughout this specification to "one embodiment," "an embodiment," or "a particular embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment, and not necessarily all embodiments, of the present invention. Thus, the appearances of the phrases "in one embodiment," "in an embodiment," or "in a specific embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics of any specific embodiment of the present invention may be combined in any suitable manner with one or more other embodiments. It will be appreciated that other variations and modifications of the embodiments of the invention described and illustrated herein are possible in light of the teachings herein and are to be considered as part of the spirit and scope of the invention.
It will also be appreciated that one or more of the elements shown in the figures may also be implemented in a more separated or integrated manner, or even removed because of inoperability in certain circumstances or provided because it may be useful depending on the particular application.
In addition, any labeled arrows in the drawings/figures should be considered only as exemplary, and not limiting, unless otherwise specifically indicated. Furthermore, the term "or" as used herein is generally intended to mean "and/or" unless specified otherwise. Combinations of parts or steps will also be considered as being noted where terminology is foreseen as rendering the ability to separate or combine is unclear.
As used in the description herein and throughout the claims that follow, unless otherwise indicated, "a", "an", and "the" include plural references. Also, as used in the description herein and throughout the claims that follow, unless otherwise indicated, the meaning of "in …" includes "in …" and "on …".
The above description of illustrated embodiments of the invention, including what is described in the abstract, is not intended to be exhaustive or to limit the invention to the precise forms disclosed herein. Although specific embodiments of, and examples for, the invention are described herein for illustrative purposes only, various equivalent modifications are possible within the spirit and scope of the present invention, as those skilled in the relevant art will recognize and appreciate. As noted, these modifications can be made to the present invention in light of the foregoing description of illustrated embodiments of the present invention and are to be included within the spirit and scope of the present invention.
The systems and methods have been described herein in general terms as being helpful in understanding the details of the present invention. Furthermore, various specific details have been set forth in order to provide a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that an embodiment of the invention can be practiced without one or more of the specific details, or with other apparatus, systems, assemblies, methods, components, materials, parts, and/or the like. In other instances, well-known structures, materials, and/or operations are not specifically shown or described in detail to avoid obscuring aspects of embodiments of the invention.
Thus, although the invention has been described herein with reference to particular embodiments thereof, a latitude of modification, various changes and substitutions are intended in the foregoing disclosures, and it will be appreciated that in some instances some features of the invention will be employed without a corresponding use of other features without departing from the scope and spirit of the invention as set forth. Therefore, many modifications may be made to adapt a particular situation or material to the essential scope and spirit of the present invention. It is intended that the invention not be limited to the particular terms used in following claims and/or to the particular embodiment disclosed as the best mode contemplated for carrying out this invention, but that the invention will include any and all embodiments and equivalents falling within the scope of the appended claims. Accordingly, the scope of the invention should be determined only by the following claims.

Claims (10)

1. A sprocket bearing, comprising:
the outer ring is made of flexible materials;
the core body is positioned on the inner side of the outer ring, and an annular clamping cavity is formed between the core body and the outer ring;
the plurality of rollers are arranged, each roller is positioned in the annular clamp cavity, and the rollers, the outer ring and the core body form rolling fit; and
the inner rings are provided with at least two, each inner ring is positioned at the edge of the core body, a part of area of the outer ring surface of the inner ring is in sliding fit with an arc-shaped groove arranged at the edge of the core body, and the area of the outer ring surface of the inner ring positioned outside the arc-shaped groove is in rolling fit with the roller.
2. The sprocket bearing as set forth in claim 1, wherein the arcuate surfaces of the arcuate grooves are tangential to the outer walls of the cores at the ends of the arcuate grooves such that the outer annular surfaces of the inner rings and the core surfaces have a smooth outer contour when the inner rings are disposed within the arcuate grooves.
3. The sprocket bearing according to claim 2, wherein the two sides of the ring cavity are respectively provided with a retainer conforming to the contour of the ring cavity, the retainer is fixedly connected to the core body, and both ends of the roller are caught with the inner sides of the retainer so that the roller is confined in the ring cavity.
4. A sprocket bearing according to claim 2 or 3, wherein the inner rings are provided in two, the two inner rings are located at both ends of the core, respectively, and the assembly of the two inner rings and the core has a kidney-shaped outer contour.
5. A sprocket bearing according to claim 2 or 3, wherein the inner rings are provided with three, the central points of the three inner rings being distributed in a triangle, the assembly of the three inner rings and the core having a rounded triangle outer profile.
6. The sprocket bearing of claim 1, wherein the outer race is made of rubber.
7. The sprocket bearing according to claim 1, wherein the rollers are cylindrical, and an axis of the rollers is parallel to an axis of the inner race.
8. A transmission mechanism, comprising:
the outer ring is made of flexible materials;
the core body is positioned on the inner side of the outer ring, and an annular clamping cavity is formed between the core body and the outer ring;
the plurality of rollers are arranged, each roller is positioned in the annular clamp cavity, and the rollers, the outer ring and the core body form rolling fit;
the inner rings are provided with at least two, each inner ring is positioned at the edge of the core body, a part of area of the outer ring surface of the inner ring is in sliding fit with an arc-shaped groove arranged at the edge of the core body, and the area of the outer ring surface of the inner ring positioned outside the arc-shaped groove is in rolling fit with the roller;
the rotating shafts are provided with at least two, and each rotating shaft is respectively inserted into each inner ring, so that each rotating shaft is respectively and synchronously connected with each inner ring in a rotating way.
9. The transmission mechanism according to claim 8, further comprising an input shaft and an output shaft, wherein a first driving gear is provided on the input shaft, a first driven gear is provided at one end of each of the rotating shafts, a second driving gear is provided at the other end of each of the rotating shafts, a second driven gear is provided on the output shaft, the first driving gear is simultaneously engaged with each of the first driven gears, and each of the second driving gears is simultaneously engaged with the second driven gears.
10. A transmission mechanism, comprising:
the outer ring is made of flexible materials, and a first tooth-shaped surface is arranged on the outer ring surface of the outer ring;
the core body is positioned on the inner side of the outer ring, and an annular clamping cavity is formed between the core body and the outer ring;
the plurality of rollers are arranged, each roller is positioned in the annular clamp cavity, and the rollers, the outer ring and the core body form rolling fit;
the inner rings are provided with at least two, each inner ring is positioned at the edge of the core body, a part of area of the outer ring surface of the inner ring is in sliding fit with an arc-shaped groove arranged at the edge of the core body, and the area of the outer ring surface of the inner ring positioned outside the arc-shaped groove is in rolling fit with the roller;
the driving wheel is provided with a second tooth-shaped surface on the wheel surface, and the second tooth-shaped surface is meshed with the first tooth-shaped surface.
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108950922A (en) * 2018-08-15 2018-12-07 东阳市双燕设备有限公司 A kind of high speed towel bobbin winder device and its implementation
CN208381225U (en) * 2018-06-13 2019-01-15 湖州求精汽车链传动有限公司 Gearbox lubricating oil pump transmission system
CN211587991U (en) * 2019-12-07 2020-09-29 上海高泰精密管材股份有限公司 Cold-drawing processing device of stainless steel pipe
CN111874363A (en) * 2020-08-13 2020-11-03 安徽永成电子机械技术有限公司 Bag smoothing bionic manipulator
CN212899390U (en) * 2020-08-12 2021-04-06 东莞普莱特传动设备有限公司 Rotary platform mechanism
CN114074319A (en) * 2020-08-14 2022-02-22 精工爱普生株式会社 Gear device and robot

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208381225U (en) * 2018-06-13 2019-01-15 湖州求精汽车链传动有限公司 Gearbox lubricating oil pump transmission system
CN108950922A (en) * 2018-08-15 2018-12-07 东阳市双燕设备有限公司 A kind of high speed towel bobbin winder device and its implementation
CN211587991U (en) * 2019-12-07 2020-09-29 上海高泰精密管材股份有限公司 Cold-drawing processing device of stainless steel pipe
CN212899390U (en) * 2020-08-12 2021-04-06 东莞普莱特传动设备有限公司 Rotary platform mechanism
CN111874363A (en) * 2020-08-13 2020-11-03 安徽永成电子机械技术有限公司 Bag smoothing bionic manipulator
CN114074319A (en) * 2020-08-14 2022-02-22 精工爱普生株式会社 Gear device and robot

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