CN105546100B - A kind of rear-guard speed variator reverse gear structure - Google Patents
A kind of rear-guard speed variator reverse gear structure Download PDFInfo
- Publication number
- CN105546100B CN105546100B CN201610078806.1A CN201610078806A CN105546100B CN 105546100 B CN105546100 B CN 105546100B CN 201610078806 A CN201610078806 A CN 201610078806A CN 105546100 B CN105546100 B CN 105546100B
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- Prior art keywords
- reverse
- reverse shaft
- fixed part
- connecting plate
- bearing
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Classifications
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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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
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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
- F16H57/0006—Vibration-damping or noise reducing means specially adapted for gearings
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The present invention discloses a kind of rear-guard speed variator reverse gear structure relatively simple for structure：Further include anti-attrition gasket and spacer, the left end of reverse shaft is not fixedly connected rotationally with middle connecting plate, its entirety is axial to extend to the right, and the limiting section to extend radially outwardly is equipped at middle part place to the right, and by the axial department of assembly that extension and right end are connected with the middle part connecting portion in transmission case body to the right of limiting section, left back gear needle bearing, spacer, right back gear needle bearing and anti-attrition gasket are assemblied in from left to right between the middle part connecting portion in the department of assembly of reverse shaft and in the limiting section babinet of reverse shaft, the anti-attrition gasket cooperation corresponding with bearing plate, reverse idler gear is set on left back gear needle bearing and right back gear needle bearing and between the limiting section of reverse shaft and anti-attrition gasket.
Description
Technical field
The present invention relates to rear-guard speed changers, and in particular to a kind of rear-guard speed variator reverse gear structure.
Background technology
Referring to Fig. 1, at present, a kind of rear-guard reverse gear structure used in the market, including；Middle connecting plate 1, is generally justified babinet 2
Cylinder and left side are equipped with the radially screw hole 36 of perforation, middle part and are equipped with reverse shaft 3, the left back gear needle bearing that boss 35 is isolated
40th, right back gear needle bearing 41, reverse idler gear 5, the bearing plate 6 equipped with axially extending bore, equipped with axial connecting hole
Spacer for bolt 9, top be equipped with the horizontal through hole 100 of front and rear perforation and the vertical vias 102 that is communicated with the horizontal through hole 100
Reverse gear limited block 10, bolt 11 and rubber sheet gasket 12；Middle connecting plate 1 is assemblied on the left side of babinet 2, and bearing plate 6 is installed
On the left side of middle part connecting portion in babinet 2, reverse gear limited block 10 is assemblied in the inner wall installation base 21 of babinet 2, reverse gear
The right end 31 of axis 3 passes through the through-hole on bearing plate 6 to be installed in the mounting hole of the middle part connecting portion in babinet 2, reverse shaft 3
Left end is stretched into the horizontal through hole 100 of reverse gear limited block 10, is sequentially passed through spacer for bolt 9, babinet 2 from the bottom to top using bolt 11
On the connecting hole 103 of the bottom of inner wall installation base 21, the vertical vias 101 on reverse gear limited block 10 and reverse shaft 3
Radially the screw hole 36 of perforation is fixedly connected on 2 inner wall installation base 21 of babinet, rubber sheet gasket 12, left back gear needle bearing
40 and right back gear needle bearing 41（It is convex that left back gear needle bearing 40 and right back gear needle bearing 41 are located at isolation
The both sides of platform 35）It is installed on from left to right on reverse shaft 3 and between reverse gear limited block 10 and bearing plate 6, reverse gear idle running
Gear 5 be mounted on left back gear needle bearing 40 and right back gear needle bearing 41 on, left and right end respectively with rubber pad
The right end of piece 12 and the left end of bearing plate 6 are in contact.The reverse gear structure of this rear-guard speed changer, due to that will be fallen by bolt 11
Shelves limited block 10 and 3 left end of reverse shaft couple with 2 inner wall of babinet to be installed together, and 3 right end department of assembly 31 of reverse shaft is directly installed in
In 2 hole of babinet, it is installed on left back gear needle bearing 40 and right back gear needle bearing 41 on back gear needle bearing 4
On 5 right side of reverse idler gear directly contacted with the bearing plate 6 mounted in 2 middle part end face of babinet, have a defect that；
1st, 3 left end of reverse shaft is the hole of babinet 2, reverse gear limited block 10, reverse shaft 3 to be passed through to be fixedly connected by bolt 11
On 2 inner wall of babinet.Thus structure is more complicated, and assembling is relatively difficult, and the deformation deflection of reverse shaft 3 is larger.Thus, intensity compared with
It is low, it is unfavorable for being promoted the accuracy of mesh of reverse idler gear 5, and the bearing capacity of reverse shaft 3 is relatively low, noise is larger.
2nd, reverse idler gear 5 is limited using reverse gear limited block 10 plus rubber sheet gasket 12；Thus structure is more complicated,
Assembling is not convenient enough, and positioning accuracy is relatively low.
3rd, reverse gear limited block 10 will position on 2 inner wall of babinet, therefore there are a boss 21, processing for the inner wall of babinet 2
Relatively difficult and processing cost is higher.
4th, 5 right end of reverse idler gear is directly in contact with bearing plate 6,5 end face of reverse idler gear it is easy to wear,
Service life is relatively low.
Invention content
The technical problem to be solved in the present invention is to provide a kind of rear-guard speed variator reverse gears relatively simple for structure, intensity is higher
Structure.
In order to solve the above technical problems, the present invention adopts the following technical scheme that；
A kind of rear-guard speed variator reverse gear structure is fallen including middle connecting plate, babinet, reverse shaft, left back gear needle bearing, the right side
Shelves gear needle bearing, reverse idler gear and bearing plate, the middle connecting plate equipped with axially extending bore are assemblied in transmission case
The left end of body, the bearing plate are mounted on the left side of the middle part connecting portion in babinet：Anti-attrition gasket and spacer are further included,
The left end of the reverse shaft is not fixedly connected rotationally with middle connecting plate, whole axially to extend to the right, and set at middle part place to the right
There is the limiting section to extend radially outwardly and by the axial extension to the right of limiting section and right end is connect with the middle part in transmission case body
The department of assembly that portion is connected, the left back gear needle bearing, spacer, right back gear needle bearing and anti-attrition gasket are by a left side
It is assemblied between the middle part connecting portion in the department of assembly of reverse shaft and in the limiting section and babinet of reverse shaft to the right side, it is described to subtract
Gasket cooperation corresponding with bearing plate is ground, the reverse idler gear is set in left back gear needle bearing and right reverse gear tooth
On outer ring and roll assembly and between the limiting section of reverse shaft and anti-attrition gasket.
Preferably, the middle connecting plate is equipped with anti-rotation fixed part, and the left end of the reverse shaft is equipped with cooperation anti-rotation fixed part,
The left end of the reverse shaft is not fixedly connected rotationally by anti-rotation fixed part and cooperation anti-rotation fixed part with middle connecting plate.
Preferably, the anti-rotation fixed part on the middle connecting plate is the chamfered edge square boss axially extended to the right by middle connecting plate,
Correspondingly, the cooperation anti-rotation fixed part of the left end of the reverse shaft is chamfered edge square face.
Preferably, the anti-rotation fixed part on the middle connecting plate is the tri-angle-holed either rectangular opening or prismatic of radial section
Hole either regular pentagon hole or regular hexagon hole, correspondingly, the cooperation anti-rotation fixed part of the left end of the reverse shaft is radially
The trigone in section either cuboid or prismatic body or regular pentagon body or regular hexagon body.
Preferably, the anti-wear gasket on piece is equipped with auxiliary section, the shape at the cooperation corresponding with bearing plate of the auxiliary section
Shape size is adapted.
Preferably, the auxiliary section is equal with the arc radius of bearing plate arc-shaped, and the circular arc of auxiliary section half
Diameter is less than the radius of other circular arcs around anti-wear gasket on piece, correspondingly, the circular arc half at the corresponding cooperation of bearing plate
Diameter is again smaller than the radius of other circular arcs of surrounding on bearing plate.
The present invention includes following advantageous effect；
1st, and reverse shaft left end of the prior art is the Kong Gu that babinet, reverse gear limited block, reverse shaft are passed through by bolt
Surely it is connected on cabinet wall and compares, the left end of reverse shaft of the invention is not fixedly connected rotationally with middle connecting plate, not only structure
Fairly simple, assembling is easier, and the deformation deflection of reverse shaft is smaller.Thus, intensity is higher, is conducive to promote reverse gear sky
The accuracy of mesh of rotating disk, bearing capacity is stronger, and noise is relatively low.
2nd, reverse idler gear realizes positioning by the limiting section of reverse shaft in the present invention；The reverse gear idle running tooth of the prior art
Wheel then adds rubber sheet gasket to limit reverse idler gear using reverse gear limited block；Two compare, features simple structure of the present invention, dress
With convenient, positioning accuracy higher.
3rd, middle case of the present invention is compared with the babinet of the prior art, and reverse gear limited block will be on cabinet wall in the prior art
Positioning, therefore there is a boss in the inner wall of babinet, and the babinet of the present invention has then lacked the boss of hole and inner wall, reduces and adds
Work has saved cost.
4th, reverse idler gear right end is contacted with anti-attrition gasket in the present invention, and the prior art is reverse idler gear right end
It is directly in contact with bearing plate, the present invention can effectively reduce the abrasion of reverse idler gear end face by comparison.
Description of the drawings
Fig. 1 is the schematic diagram of the rear-guard speed variator reverse gear structure of the prior art；
Fig. 2 is the structure diagram of the present invention；
Fig. 3 is the structure diagram of reverse shaft of the present invention；
Fig. 4 is the installation cooperation schematic diagram of anti-attrition gasket and the bearing plate connecting portion in the middle part of babinet of the present invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Referring to Fig. 2 to Fig. 4, rear-guard speed variator reverse gear structure of the invention, including middle connecting plate 1, babinet 2, reverse shaft 3, a left side
Back gear needle bearing 40, right back gear needle bearing 41, reverse idler gear 5 and the bearing plate equipped with axially extending bore
6th, the middle connecting plate 1 is assemblied in the left end of mission case 2, and the bearing plate 6 is mounted on the middle part connecting portion in babinet 2
On left side.From Fig. 2 to Fig. 4 as it can be seen that the invention also includes anti-attrition gasket 7 and spacer 8, left end and the middle company of the reverse shaft 3
Plate 1 is not fixedly connected rotationally, whole axially to extend to the right, and the limiting section to extend radially outwardly is equipped at middle part place to the right
30 and by the axial department of assembly that extension and right end are connected with the middle part connecting portion in mission case 2 to the right of limiting section 30
31, the left back gear needle bearing 40, spacer 8, right back gear needle bearing 41 and anti-attrition gasket 7 assemble from left to right
It is described to subtract between the middle part connecting portion in the department of assembly of reverse shaft 3 31 and in the limiting section 30 and babinet 2 of reverse shaft 3
Mill gasket 7 and 6 corresponding cooperation of bearing plate, the reverse idler gear 5 are set in left back gear needle bearing 40 and the right side
On back gear needle bearing 41 and between the limiting section 30 of reverse shaft 3 and anti-attrition gasket 7.So, it is of the invention
The left end of reverse shaft 3 is not fixedly connected rotationally with middle connecting plate 1, not only relatively simple for structure, and assembling is easier, and reverse gear
The deformation deflection of axis 3 is smaller, thus, intensity is higher, be conducive to promoted reverse idler gear 5 the accuracy of mesh, bearing capacity compared with
By force, noise is relatively low.Reverse idler gear 5 realizes positioning by the limiting section 30 of reverse shaft 3 in the present invention.Thus, features simple structure,
It is easy to assembly, positioning accuracy higher.
As it is clear from fig. 2 that the middle connecting plate 1 is equipped with anti-rotation fixed part 101, the left end of the reverse shaft 3, which is equipped with cooperation, to be prevented
Turn fixed part 32, the left end of the reverse shaft 3 is not turned by anti-rotation fixed part 101 and cooperation anti-rotation fixed part 32 with middle connecting plate 1
It is fixedly connected dynamicly.It can preferably prevent reverse shaft 3 from rotating in this way, reduce the abrasion of reverse shaft 3, improve reverse idler gear
5 accuracy of mesh, while the play of reverse shaft 3 is prevented, reducing vibration reduces noise.
As it is clear from fig. 2 that the anti-rotation fixed part 101 on the middle connecting plate 1 is by the axial chamfered edge side extended to the right of middle connecting plate 1
Shape boss, correspondingly, the cooperation anti-rotation fixed part 32 of the left end of the reverse shaft 3 is chamfered edge square face.It in this way can be preferably
It prevents reverse shaft 3 from rotating, preferably reduces the abrasion of reverse shaft 3, improve the accuracy of mesh of reverse idler gear 5, while more preferable
Ground prevents the play of reverse shaft 3, and reducing vibration reduces noise.
In fact, the anti-rotation fixed part 101 on the middle connecting plate 1 may be the tri-angle-holed of radial section（In figure not
It draws, similarly hereinafter）Or rectangular opening（It is not drawn into figure, similarly hereinafter）Or prismatic hole（It is not drawn into figure, similarly hereinafter）Or regular pentagon
Hole（It is not drawn into figure, similarly hereinafter）Or regular hexagon hole（It is not drawn into figure, similarly hereinafter）, correspondingly, the left end of the reverse shaft 3
Coordinate the trigone of anti-rotation fixed part 32 or radial section（It is not drawn into figure, similarly hereinafter）Or cuboid（In figure not
It draws, similarly hereinafter）Or prismatic body（It is not drawn into figure, similarly hereinafter）Or regular pentagon body（It is not drawn into figure, similarly hereinafter）Or positive six
Side body（It is not drawn into figure, similarly hereinafter）.It can equally be better protected from reverse shaft 3 in this way to rotate, and preferably turn to reduce reverse gear
The abrasion of axis 3 improves the accuracy of mesh of reverse idler gear 5, while preferably prevents the play of reverse shaft 3, reduces vibration drop
Low noise.
As it is clear from fig. 2 that the anti-attrition gasket 7 is equipped with auxiliary section 70, the auxiliary section 70 is corresponding with bearing plate 6 to match
Geomery at conjunction is adapted.So, when reverse idler gear 5 is by rubbing that anti-attrition gasket 7 is driven to rotate, subtract
Mill gasket 7 will be blocked by bearing plate 6 and anti-attrition gasket 7 is prevented to play the role of anti-rotation from rotating.
Referring to Fig. 4, the auxiliary section 70 is equal with the arc radius of bearing plate 6 arc-shaped, and auxiliary section 70
Arc radius is less than the radius of other circular arcs around on anti-attrition gasket 7, correspondingly, at the 6 corresponding cooperation of bearing plate
Place arc radius again smaller than other circular arcs around on bearing plate 6 radius.Therefore when reverse idler gear 5 is by rubbing
When wiping to drive the rotation of anti-attrition gasket 7, anti-attrition gasket 7 will be blocked by bearing plate 6 and prevent anti-attrition gasket 7 from rotating, more
Play the role of anti-rotation well.
Claims (6)
1. a kind of rear-guard speed variator reverse gear structure, including middle connecting plate（1）, babinet（2）, reverse shaft（3）, left back gear needle roller axis
It holds（40）, right back gear needle bearing（41）, reverse idler gear（5）With the bearing plate equipped with axially extending bore（6）, it is described
Middle connecting plate（1）It is assemblied in mission case（2）Left end, the bearing plate（6）Mounted on babinet（2）Interior middle part connecting portion
Left side on, it is characterised in that：Further include anti-attrition gasket（7）And spacer（8）,
The reverse shaft（3）Left end and middle connecting plate（1）It is not fixedly connected rotationally, it is whole axially to extend to the right, and in
Place to the right of portion is equipped with the limiting section to extend radially outwardly（30）And by limiting section（30）Axial extension and right end and speed change to the right
Device babinet（2）The department of assembly that interior middle part connecting portion is connected（31）,
The left back gear needle bearing（40）, spacer（8）, right back gear needle bearing（41）With anti-attrition gasket（7）By
Left-to-right is assemblied in reverse shaft（3）Department of assembly（31）It goes up and is located at reverse shaft（3）Limiting section（30）With babinet（2）In interior
Between portion's connecting portion, the anti-attrition gasket（7）With bearing plate（6）Corresponding cooperation, the reverse idler gear（5）It is set in
Left back gear needle bearing（40）With right back gear needle bearing（41）It goes up and is located at reverse shaft（3）Limiting section（30）With
Anti-attrition gasket（7）Between.
2. rear-guard speed variator reverse gear structure according to claim 1, it is characterised in that：The middle connecting plate（1）It is equipped with anti-
Turn fixed part（101）, the reverse shaft（3）Left end be equipped with cooperation anti-rotation fixed part（32）, the reverse shaft（3）Left end lead to
Cross anti-rotation fixed part（101）With cooperation anti-rotation fixed part（32）With middle connecting plate（1）It is not fixedly connected rotationally.
3. rear-guard speed variator reverse gear structure according to claim 2, it is characterised in that：The middle connecting plate（1）On anti-rotation
Fixed part（101）For by middle connecting plate（1）The axial chamfered edge square boss extended to the right, correspondingly, the reverse shaft（3）Left end
Cooperation anti-rotation fixed part（32）For chamfered edge square face.
4. rear-guard speed variator reverse gear structure according to claim 2, it is characterised in that：The middle connecting plate（1）On anti-rotation
Fixed part（101）For the tri-angle-holed either rectangular opening or prismatic hole of radial section or regular pentagon hole or regular hexagon
Hole, correspondingly, the reverse shaft（3）Left end cooperation anti-rotation fixed part（32）Trigone or rectangle for radial section
Body either prismatic body or regular pentagon body or regular hexagon body.
5. rear-guard speed variator reverse gear structure according to any one of claim 1 to 4, it is characterised in that：The anti-wear gasket
Piece（7）It is equipped with auxiliary section（70）, the auxiliary section（70）With bearing plate（6）Geomery at corresponding cooperation is mutually fitted
Match.
6. rear-guard speed variator reverse gear structure according to claim 5, it is characterised in that：The auxiliary section（70）For with bearing
Pressing plate（6）Equal arc-shaped of arc radius, and auxiliary section（70）Arc radius be less than anti-attrition gasket（7）Radius, phase
Ying Di, the bearing plate（6）Arc radius at corresponding cooperation is again smaller than bearing plate（6）Radius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610078806.1A CN105546100B (en) | 2016-02-04 | 2016-02-04 | A kind of rear-guard speed variator reverse gear structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610078806.1A CN105546100B (en) | 2016-02-04 | 2016-02-04 | A kind of rear-guard speed variator reverse gear structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105546100A CN105546100A (en) | 2016-05-04 |
| CN105546100B true CN105546100B (en) | 2018-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610078806.1A Active CN105546100B (en) | 2016-02-04 | 2016-02-04 | A kind of rear-guard speed variator reverse gear structure |
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| Country | Link |
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| CN (1) | CN105546100B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895155B (en) * | 2018-09-12 | 2024-04-05 | 重庆青山工业有限责任公司 | Intermediate shaft assembly mechanism of mechanical automobile transmission |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2372180Y (en) * | 1999-04-09 | 2000-04-05 | 安徽飞彩(集团)有限公司 | Chain driving eight-gear speed changing box |
| CN101936381A (en) * | 2010-09-10 | 2011-01-05 | 上海汽车变速器有限公司 | Transmission device with cantilever-type reverse gear aid |
| CN203686102U (en) * | 2014-01-08 | 2014-07-02 | 重庆青山工业有限责任公司 | Reverse gear structure of automobile transmission |
| CN203836156U (en) * | 2014-04-09 | 2014-09-17 | 陕西法士特齿轮有限责任公司 | Arrangement structure for reverse idler gear of transmission |
| CN204175888U (en) * | 2014-08-28 | 2015-02-25 | 重庆青山工业有限责任公司 | A kind of minicar six gear rear driving speed changers |
| CN205578676U (en) * | 2016-02-04 | 2016-09-14 | 重庆青山工业有限责任公司 | Rear -guard derailleur structure of reversing gear |
-
2016
- 2016-02-04 CN CN201610078806.1A patent/CN105546100B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2372180Y (en) * | 1999-04-09 | 2000-04-05 | 安徽飞彩(集团)有限公司 | Chain driving eight-gear speed changing box |
| CN101936381A (en) * | 2010-09-10 | 2011-01-05 | 上海汽车变速器有限公司 | Transmission device with cantilever-type reverse gear aid |
| CN203686102U (en) * | 2014-01-08 | 2014-07-02 | 重庆青山工业有限责任公司 | Reverse gear structure of automobile transmission |
| CN203836156U (en) * | 2014-04-09 | 2014-09-17 | 陕西法士特齿轮有限责任公司 | Arrangement structure for reverse idler gear of transmission |
| CN204175888U (en) * | 2014-08-28 | 2015-02-25 | 重庆青山工业有限责任公司 | A kind of minicar six gear rear driving speed changers |
| CN205578676U (en) * | 2016-02-04 | 2016-09-14 | 重庆青山工业有限责任公司 | Rear -guard derailleur structure of reversing gear |
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| Publication number | Publication date |
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| CN105546100A (en) | 2016-05-04 |
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