CN108468792B - Elastic device for transmission shaft of continuously variable transmission - Google Patents
Elastic device for transmission shaft of continuously variable transmission Download PDFInfo
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- CN108468792B CN108468792B CN201810527254.7A CN201810527254A CN108468792B CN 108468792 B CN108468792 B CN 108468792B CN 201810527254 A CN201810527254 A CN 201810527254A CN 108468792 B CN108468792 B CN 108468792B
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- wheel
- cylindrical
- section
- continuously variable
- cylindrical wheel
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- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
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- 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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
Abstract
The invention relates to an elastic device of a transmission shaft of a continuously variable transmission, belonging to the technical field of continuously variable transmission; the technical problem to be solved is as follows: the elastic device for the transmission shaft of the continuously variable transmission is provided, so that the circulation function of lubricating oil is enhanced, the processing and mounting difficulty of the transmission shaft is reduced, and the use flexibility of the transmission shaft is improved; the technical scheme is as follows: the elastic device of the transmission shaft of the continuously variable transmission comprises a cylindrical wheel, a wheel sleeve and a connecting plate, wherein the cylindrical wheel is of a cylindrical structure, two ends of the cylindrical wheel are respectively provided with a wheel cap, the middle part of the cylindrical wheel is movably sleeved with the wheel sleeve through two bearings, the outer side surface of the wheel sleeve is integrally connected with one end of the connecting plate, the other end of the connecting plate is provided with a circular arc-shaped wheel tooth section meshed with the central shaft tooth groove section, the cylindrical wheel is of a sectional type cylindrical structure, the central axis of the cylindrical wheel is provided with an oil overflow hole in a penetrating mode, and; the invention relates to a structure improvement of a transmission shaft of a continuously variable transmission.
Description
Technical Field
The invention discloses an elastic device for a transmission shaft of a continuously variable transmission, belongs to the technical field of continuously variable transmission, and particularly relates to structural improvement of the transmission shaft of the continuously variable transmission.
Background
The stepless speed change is that a speed change transmission structure is adopted to be matched with a driving wheel and a driven wheel with variable working diameters to transmit power, so that the continuous change of the transmission ratio can be realized, and the optimal matching of a transmission system and the working condition of an engine is obtained. For example, patent application No. 201310117401.0, includes a central shaft; two ends of the central shaft are respectively provided with a concave cambered surface disk wheel, and the disk openings of the two concave cambered surface disk wheels are opposite; a tooth groove section is arranged in the middle of the central shaft in the circumferential direction; the outer side surface of the middle part of the central shaft is matched with a shaft sleeve; the outer side surface of the shaft sleeve is provided with a plurality of axial limiting grooves, and a connecting plate is embedded in each axial limiting groove; the outer side surface of the shaft sleeve is fixedly connected with a plurality of axial mounting plates, and each connecting plate is hinged to each two adjacent axial mounting plates in a one-to-one correspondence mode through each pivot; the end face of the inner end of each connecting plate is provided with a circular arc-shaped gear tooth section which is meshed with the gear tooth groove section, the outer end of each connecting plate is provided with a wheel sleeve, and a cylindrical wheel is arranged in each wheel sleeve; the wheel caps at the two ends of each cylindrical wheel are respectively attached to the inner walls of the two concave cambered surface disk-shaped wheels. The stepless speed changer solves the problems that an existing stepless speed change transmission structure steel belt is easy to damage, complex in structure and poor in reliability, but in the design process, a cylindrical wheel is not easy to process due to wheel caps at two ends, and the wheel caps are poor in contact with the inner wall of a concave cambered surface disc-shaped wheel and not flexible enough.
Disclosure of Invention
The invention overcomes the defects of the prior art, and solves the technical problems that: the elastic device for the transmission shaft of the continuously variable transmission is provided, the circulation function of lubricating oil is enhanced, the processing and mounting difficulty of the transmission shaft is reduced, and the use flexibility of the transmission shaft is improved.
In order to solve the technical problems, the invention adopts the technical scheme that: the elastic device of the transmission shaft of the continuously variable transmission comprises a cylindrical wheel, a wheel sleeve and a connecting plate, wherein the cylindrical wheel is of a cylinder structure, two ends of the cylinder structure are respectively provided with a wheel cap, the middle part of the cylindrical wheel is movably sleeved with the wheel sleeve through two bearings, the outer side surface of the wheel sleeve is integrally connected with one end of the connecting plate, the other end of the connecting plate is provided with a circular arc-shaped wheel tooth section meshed with a central shaft tooth groove section, the cylindrical wheel is of a sectional type cylinder structure, the central axis of the cylindrical wheel is provided with an oil overflow hole in a penetrating mode, and.
The wheel cap at least one end of the cylindrical wheel is installed at the end part of the cylindrical wheel through threads.
The column wheel is of a two-section column structure comprising an upper column section and a lower column section, the upper column section and the lower column section are connected in a matched mode through at least one concave-convex clamping groove, and the concave-convex clamping groove is of a multi-prism structure.
Leave the spring chamber between two bearings, the spring suit is at cylindricality wheel middle part and be located the spring intracavity portion, and the connecting portion of upper prop section and lower prop section are located inside the spring, the spring intracavity is provided with two ring limit board, two ring limit board are located the spring both ends respectively and fixed the setting on upper prop section and lower prop section.
One side of the wheel cap, which is connected with the cylindrical wheel, is provided with a reinforcing layer with the thickness of 2-5 mm.
Compared with the prior art, the invention has the following beneficial effects:
1. the transmission shaft of the continuously variable transmission is provided with the thread groove oil spilling holes in a penetrating way at the central axis positions of the cylindrical wheel and the wheel caps at the two ends of the cylindrical wheel, and lubricating oil at the bottom can be upwards soaked and spilled along the threads of the oil spilling holes in the rotating process of the cylindrical wheel and then falls down from the outside of the cylindrical wheel, so that the comprehensive circulation of the lubricating oil is realized;
2. the wheel cap at least one end of the cylindrical wheel is connected with the wheel sleeve through threads, so that the cylindrical wheel is more convenient to assemble with the wheel sleeve, and parts are more convenient to process due to the assemblability, so that the manufacturing difficulty and the processing cost are reduced;
3. the cylindrical wheel is divided into two sections and is matched and connected through the concave-convex clamping grooves, so that the cylindrical wheel and the wheel sleeve are more convenient to assemble, the processing difficulty is reduced, the multi-edge concave-convex clamping grooves limit the rotary displacement of the upper column section and the lower column section in work, the spring in the middle of the cylindrical wheel strengthens the contact performance of the wheel cap and the inner wall of the concave arc disc-shaped wheel, and has a certain buffering effect on the connecting part of the cylindrical wheel;
4. according to the invention, the reinforcing layer is arranged on one side of the wheel cap connected with the cylindrical wheel, so that the wheel cap has certain abrasion allowance, and the service life of the continuously variable transmission is prolonged.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings;
FIG. 1 is a schematic structural diagram according to a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram according to a second embodiment of the present invention;
FIG. 3 is a schematic sectional view of a connection portion between an upper column section and a lower column section according to a second embodiment of the present invention;
in the figure: the device comprises a cylindrical wheel 1, a wheel cap 2, a wheel sleeve 3, a connecting plate 4, an oil spilling hole 5, a bearing 6, a spring cavity 7, a spring 8, an annular limiting plate 9, a reinforcing layer 10, an upper column section 11 and a lower column section 12.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments, but not all embodiments, of the present invention; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
As shown in figure 1, the transmission shaft elastic device of the continuously variable transmission comprises a cylindrical wheel 1, a wheel sleeve 3 and a connecting plate 4, wherein the cylindrical wheel 1 is of a cylindrical structure, two ends of the cylindrical wheel 1 are respectively provided with a wheel cap 2, the middle part of the cylindrical wheel 1 is movably sleeved with the wheel sleeve 3 through two bearings 6, the outer side surface of the wheel sleeve 3 is integrally connected with one end of the connecting plate 4, the other end of the connecting plate 4 is provided with an arc-shaped wheel tooth section meshed with a central shaft tooth groove section, the wheel cap 2 at least one end of the cylindrical wheel 1 is arranged at the end part of the cylindrical wheel 1 through threads, namely, the cylindrical wheel 1 is of a two-section or three-section cylindrical structure, so that the assembly of the wheel cap and the wheel sleeve 3 is more convenient, the split processing is convenient due to the detachable assembly performance, the processing difficulty is reduced, the figure 1 shows that the two-section cylindrical structure is, the central axis position of the cylindrical wheel 1 is provided with an oil overflow hole 5 in a penetrating mode, the inner wall of the oil overflow hole 5 is provided with a thread groove, and lubricating oil at the bottom of the cylindrical wheel 1 can be upwards immersed and overflowed along the thread of the oil overflow hole in the rotating process and then falls down from the outside of the cylindrical wheel 1, so that the comprehensive circulation of the lubricating oil is realized.
Preferably, a reinforcing layer 10 with the thickness of 2-5 mm is arranged on one side of the wheel cap 2 connected with the cylindrical wheel 1, so that the wheel cap has a certain abrasion margin, and the service life of the continuously variable transmission is prolonged.
Example two
As shown in fig. 2-3, the transmission shaft elastic device of the continuously variable transmission of the present invention comprises a cylindrical wheel 1, a wheel sleeve 3 and a connecting plate 4, wherein the cylindrical wheel 1 is a cylindrical structure with two wheel caps 2 at both ends, the wheel sleeve 3 is movably sleeved at the middle part of the cylindrical wheel 1 through two bearings 6, the outer side surface of the wheel sleeve 3 is integrally connected with one end of the connecting plate 4, the other end of the connecting plate 4 is provided with a circular arc-shaped wheel tooth section engaged with the central shaft tooth groove section, the central shaft line position of the cylindrical wheel 1 is provided with an oil overflow hole 5 in a penetrating manner, and the inner wall of the oil overflow hole 5 is.
The cylindrical wheel 1 is a two-section cylindrical structure comprising an upper cylindrical section 11 and a lower cylindrical section 12, the upper cylindrical section 11 and the lower cylindrical section 12 are connected in a matched manner through at least one concave-convex clamping groove, as shown in fig. 3, the concave-convex clamping groove is of a multi-prism structure, and the upper cylindrical section 11 and the lower cylindrical section 12 are prevented from rotating and displacing.
Leave spring chamber 7 between two bearings 6, the spring 8 suit is in 1 middle part of cylindricality wheel and is located spring chamber 7 inside, and the connecting portion of upper prop section 11 and lower prop section 12 are located spring 8 inside, be provided with two ring limit board 9 in the spring chamber 7, two ring limit board 9 are located spring 8 both ends respectively and fixed the setting on upper prop section 11 and lower prop section 12.
One side of the wheel cap 2 connected with the cylindrical wheel 1 is provided with a reinforcing layer 10 with the thickness of 2-5 mm.
The cylindricality wheel 1 is two segmentation cylinder structures in this embodiment, the components of a whole that can function independently processing of being convenient for, and more convenient with the equipment of wheel cover 3, and spring 8's elastic restoring force makes it push upper prop section 11 and lower prop section 12 to both sides through annular limiting plate 9 and push away, make two wheel caps 2 stronger with the contact nature of concave arc face disk wheel inner wall, strengthen buncher's variable speed effect, improve variable speed efficiency, can realize certain buffering guard action to its connecting portion when 1 tip atress of cylindricality wheel in addition.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (3)
1. Buncher transmission shaft resilient means, including cylindricality wheel (1), wheel cover (3) and connecting plate (4), cylindricality wheel (1) all is equipped with the cylinder structure of a wheel cap (2) for both ends, the middle part of cylindricality wheel (1) is equipped with wheel cover (3) through two bearing (6) movable sleeves, the lateral surface of wheel cover (3) and the one end body coupling of connecting plate (4), the other end of connecting plate (4) is provided with the convex wheel tooth section of meshing with center pin tooth's socket section, its characterized in that: the cylindrical wheel (1) is of a sectional type cylinder structure, the cylindrical wheel (1) is of a two-section type cylinder structure comprising an upper cylinder section (11) and a lower cylinder section (12), the upper cylinder section (11) and the lower cylinder section (12) are connected in a matched mode through at least one concave-convex clamping groove, the concave-convex clamping groove is of a multi-prism structure, a spring cavity (7) is reserved between the two bearings (6), a spring (8) is sleeved in the middle of the cylindrical wheel (1) and located inside the spring cavity (7), a connecting portion of the upper cylinder section (11) and the lower cylinder section (12) is located inside the spring (8), two annular limiting plates (9) are arranged in the spring cavity (7), the two annular limiting plates (9) are located at two ends of the spring (8) respectively and fixedly arranged on the upper cylinder section (11) and the lower cylinder section (12), and an oil overflow hole (5) penetrates through the central axis of the cylindrical wheel (1), the inner wall of the oil overflow hole (5) is provided with a thread groove.
2. The continuously variable transmission drive shaft elastic device according to claim 1, characterized in that: the wheel cap (2) at least one end of the cylindrical wheel (1) is installed at the end part of the cylindrical wheel through threads.
3. The continuously variable transmission drive shaft elastic device according to claim 1 or 2, characterized in that: one side of the wheel cap (2) connected with the cylindrical wheel (1) is provided with a reinforcing layer (10) with the thickness of 2-5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810527254.7A CN108468792B (en) | 2018-05-26 | 2018-05-26 | Elastic device for transmission shaft of continuously variable transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810527254.7A CN108468792B (en) | 2018-05-26 | 2018-05-26 | Elastic device for transmission shaft of continuously variable transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108468792A CN108468792A (en) | 2018-08-31 |
| CN108468792B true CN108468792B (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810527254.7A Active CN108468792B (en) | 2018-05-26 | 2018-05-26 | Elastic device for transmission shaft of continuously variable transmission |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005003126A (en) * | 2003-06-12 | 2005-01-06 | Koyo Seiko Co Ltd | Full toroidal continuously variable transmission |
| CN102900820A (en) * | 2012-10-22 | 2013-01-30 | 崔博琳 | Multipoint contact stepless variable transmission |
| CN103234015A (en) * | 2013-04-07 | 2013-08-07 | 侯亚峰 | Mechanical operation structure for continuously variable transmission |
| JP5590265B2 (en) * | 2012-03-09 | 2014-09-17 | トヨタ自動車株式会社 | Continuously variable transmission |
| CN105508533A (en) * | 2016-01-18 | 2016-04-20 | 侯亚峰 | Shell running device of continuously variable transmission |
-
2018
- 2018-05-26 CN CN201810527254.7A patent/CN108468792B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005003126A (en) * | 2003-06-12 | 2005-01-06 | Koyo Seiko Co Ltd | Full toroidal continuously variable transmission |
| JP5590265B2 (en) * | 2012-03-09 | 2014-09-17 | トヨタ自動車株式会社 | Continuously variable transmission |
| CN102900820A (en) * | 2012-10-22 | 2013-01-30 | 崔博琳 | Multipoint contact stepless variable transmission |
| CN103234015A (en) * | 2013-04-07 | 2013-08-07 | 侯亚峰 | Mechanical operation structure for continuously variable transmission |
| CN105508533A (en) * | 2016-01-18 | 2016-04-20 | 侯亚峰 | Shell running device of continuously variable transmission |
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| CN108468792A (en) | 2018-08-31 |
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