CN201202776Y - Reverse gear machine of motorcycle - Google Patents
Reverse gear machine of motorcycle Download PDFInfo
- Publication number
- CN201202776Y CN201202776Y CNU2008200975016U CN200820097501U CN201202776Y CN 201202776 Y CN201202776 Y CN 201202776Y CN U2008200975016 U CNU2008200975016 U CN U2008200975016U CN 200820097501 U CN200820097501 U CN 200820097501U CN 201202776 Y CN201202776 Y CN 201202776Y
- Authority
- CN
- China
- Prior art keywords
- clutch piece
- gearshift axle
- rocking arm
- shift fork
- reverse gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Mechanical Operated Clutches (AREA)
Abstract
The utility model relates to a motorcycle reverse gear device which comprises a box body (1), a gearshift manipulation mechanism, a clutch piece (17) connected with the gearshift manipulation device; a reverse bevel gear (16) and a forward bevel gear (18) are respectively arranged on both ends of the clutch piece (17); the motorcycle reverse gear device is characterized in that the gearshift shaft (10) of the gearshift manipulation mechanism is perpendicular to the axial line of the clutch piece (17); a rocker arm (12) is additionally arranged between the gearshift shaft (10) and the shift fork (5) of the gearshift manipulation mechanism and connected with the gearshift shaft and the shift fork; the rocker arm is used for driving the shift fork (5) and the clutch piece (17) matched with the shift fork (5) to move axially. The reverse gear device used for three-wheel or four-wheel motorcycles has the advantages of compact and reasonable structure, convenient operation and machining, sufficiently ensuring the clutch piece to be completely meshed with the reverse bevel gear and the forward bevel gear, improving the reliability of the product and prolonging the service life.
Description
Technical field
The utility model relates to the Motor Vehicle reverse gear apparatus, is specifically related to a kind of reverse gear that is used for three-wheel or four-wheel motor cycle.
Background technique
Drive for convenience, existing three-wheel or four-wheel motor cycle are equipped with reverse gear usually, and driver need not be got off, and directly operate shift control mechanism onboard and just can realize reversing.The shift control mechanism of present reverse gear has manually and pin is stepped on two kinds, this structure comprises handgrip or foot treadle, gearshift axle, the shift fork axis of guide and the shift fork that connects successively, axially paralleling of the interior clutch piece of gearshift axle and reverse gear and suitable, the bevel gear of reversing gear wherein, shift fork is attached thereto above clutch piece; When drive a gearshift rotation with handgrip or foot treadle, the gearshift axle drive shift fork axis of guide and shift fork are made axial straight line motion, and shift fork is stirred clutch piece left and right moving and suitable retaining bevel gear or the bevel gear of reversing gear engagement on output shaft, shifts gears thereby realize moveing backward.There is following deficiency in the reverse gear of this structure:
1, owing to be provided with the shift fork axis of guide between shift fork and gearshift axle, the distance between gearshift axle and the output shaft is bigger, makes the position of gearshift spool higher, and when adopting when tramping with one's feet mode, the position of foot treadle is higher relatively, inconvenient operation;
2, because shift fork is made axial straight line motion, and the rotation angle that its rectilinear path is transformed into foot treadle is bigger, usually greater than 62 °, this angle greater than the rotatable angle in people's ankle joint, has increased operation easier;
3, the depth of engagement of clutch piece and reverse or forward running bevel gear can't be adjusted respectively; promptly satisfied the suitable retaining depth of engagement; the depth of engagement of then reversing gear just can't guarantee; its depth of engagement guarantees by the machining accuracy of part fully; cause in use for some time; the wearing and tearing of the groove of shift fork, clutch piece, the depth of engagement reduces and can not regulate recovery, through regular meeting occur trip stopping, faults such as off-gear, clutch piece and the damage of reverse or forward running bevel gear.
Summary of the invention
The purpose of this utility model provide a kind of compact structure rationally, operation and the reverse gear that is used for three-wheel or four-wheel motor cycle easy to process.
The purpose of this utility model is achieved in that a kind of motorcycle reverse gear, comprise casing, shift control mechanism, the clutch piece that is connected with shift control mechanism, and reverse gear bevel gear and the suitable retaining bevel gear that are positioned at the clutch piece two ends, it is characterized in that: the gearshift axle of described shift control mechanism and the axis of described clutch piece are perpendicular; Between the shift fork of described gearshift axle and described shift control mechanism, set up the rocking arm that is connected with both, be used to drive described shift fork and reach the described clutch piece that cooperates with described shift fork and move axially.
Can be at the positioning means that is provided on the described casing in the outside that is positioned at above-mentioned rocking arm after rocking arm rotates.
Also can on the outer end of above-mentioned gearshift axle and corresponding described casing thereof, set up limit adjusting mechanism.
Be positioned at the top of described clutch piece with above-mentioned gearshift axle, the structure that described shift fork is attached thereto from described clutch piece outer side surface is good; The inner end of described gearshift axle is located on the end face in described casing through neck bush and nut, locate on the end face of the described casing outside through external bushing at its middle part, is provided with grommet sheet and seal ring between the step end face on the outside of described external bushing end face and the described gearshift axle; The borehole jack of described rocking arm upper end and is fixed through the Cock screw of radially setting on described gearshift axle, and the hole of described rocking arm lower end cooperates with the outer end cylindrical gap of described shift fork; The arc vent of described shift fork is in the radial groove of described clutch piece.
Above-mentioned positioning means can be included in the fixedly connected pretension bolt that the place, below that is positioned at described gearshift axle on the described casing outer side surface sets up, the locating stud of the Spielpassung that in the hole of the inner of described pretension bolt, is provided with, and the stage clip that in the endoporus of described locating stud the inner, is provided with, the two ends of described stage clip contact with the interior hole end surface of described locating stud and described pretension bolt respectively, and it is conical that the outer end of described locating stud is; The outer side surface of described rocking arm is made of the right tilted surface and the left tilted surface that intersect; The conical surface gradient of described locating stud is identical with the gradient of described right tilted surface and described left tilted surface, and the front portion, outer end of described locating stud is positioned at the inclined-plane of described right tilted surface and described left tilted surface.
Above-mentioned limit adjusting mechanism can be included in the fixedly connected limit body that the outside that is positioned at described casing on the described gearshift axle is set up, the two ends that described limit body stretches out are left adjusting screw and the right adjusting screw by being threaded respectively, right positioning boss and the left positioning boss set up on the described casing of corresponding position below described left adjusting screw and the described right adjusting screw.
When turning to, above-mentioned gearshift axle makes described clutch piece and described along the complete position engaged of retaining bevel gear, the lower end surface of described left adjusting screw contacts with the upper-end surface of described left positioning boss, and the outer end conical surface of described locating stud contacts with the described left tilted surface of described rocking arm simultaneously; When turning to, above-mentioned gearshift axle makes described clutch piece and the complete position engaged of the described bevel gear of reversing gear, the lower end surface of described right adjusting screw contacts with the upper-end surface of described right positioning boss, and the outer end conical surface of described locating stud contacts with the described right tilted surface of described rocking arm simultaneously.
The motorcycle reverse gear that the utility model provides, when needs reverse gear, driving the gearshift axle with handgrip or foot treadle rotates, gearshift axle drives rocking arm and rotates around the shaft axis of gearshift axle; the other end of rocking arm is stirred clutch piece by shift fork and slided to the bevel gear direction of reversing gear on the spline output shaft; locating stud withdraws from from the left tilted surface of individual rocking arm simultaneously; when the slide bevel gear engagement that puts in place and reverse gear of clutch piece is after rocking arm rotate in place; locating stud enters the right tilted surface of rocking arm under the effect of stage clip; rocking arm is positioned; prevent the rocking arm counter-rotating; the underpart of the right adjusting screw on the limit body contact with right positioning boss simultaneously; with the hard-over of control rocking arm, thereby controls the depth of engagement of the clutch piece and the bevel gear of reversing gear; At this moment, the tension force of stage clip and the underpart of right adjusting screw and right positioning boss have formed the sealing couple, have reached the purpose that the self-locking rocking arm rotates, thereby have guaranteed that clutch piece is in a tram all the time, be that clutch piece can not move right, can effectively solve trip stop, the fault of off-gear; In addition, after in assembling, reaching the groove wearing and tearing of shift fork, clutch piece, also can adjust the hard-over of rocking arm by the extrusion of adjusting right adjusting screw, thereby the stroke of control shift fork and the degree of depth that clutch piece enters the bevel gear of reversing gear, promptly adjust clutch piece and the optimal engagement degree of depth of the bevel gear of reversing gear, so the power of drive bevel gear transmission is delivered on the spline output shaft through the bevel gear of reversing gear, and the spline output shaft reverses and realizes reversing.The gear shift operation that will recover to advance after the reversing is opposite with above-mentioned action, and control corresponding and Principles of Regulation are also identical.
The reverse gear that the utility model provides is compared with existing reverse gear, axial vertical with gearshift axle and clutch piece, make shift fork move on to the outer side surface of clutch piece from the upper end of clutch piece, removed the shift fork axis of guide; an end of rocking arm directly is solidly set on the gearshift axle; the other end links by shift fork and clutch piece; thereby the gearshift axle directly drives rocking arm when rotating and rotates around the shaft axis of gearshift axle; the other end of rocking arm is stirred clutch piece move left and right on the spline output shaft by shift fork; the angle that rocking arm rotates during gearshift is exactly that the gearshift axle needs an angle of rotating; the distance of gearshift axle and spline output shaft is reduced, and a rotation angle of shifting gears spool reduces also, when adopting when tramping with one's feet mode; the position reduction of foot treadle; the rotation angle of foot treadle also reduces greatly, makes driver easy to operate, feels comfortable; Because the gearshift axle position reduces, thereby can be directly installed on the reverse gear casing, has reduced the volume of whole reverse gear, has reduced manufacture cost; In addition, the adjusting screw at the limit body two ends on the gearshift axle is directly adjusted the optimal engagement degree of depth of clutch piece and reverse or forward running bevel gear, it in time is compensated after wearing and tearing, has reduced part processing precision, and improved reliability of products, prolonged working life.
Therefore, the reverse gear compact structure that is used for three-wheel or four-wheel motor cycle that the utility model provides rationally, operation and easy to process, can guarantee fully that clutch piece and reverse or forward running bevel gear mesh fully, and improved reliability of products, prolonged working life.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is the side structure schematic representation behind the embodiment's of the present utility model broken section;
Fig. 2 is that the A-A of Fig. 1 is to the sectional structure schematic representation;
Fig. 3 is the sectional structure schematic representation of gearshift axle, rocking arm, clutch piece and spline output shaft among Fig. 2;
Fig. 4 is the sectional structure schematic representation of positioning means and rocking arm junction among Fig. 2.
Embodiment
Embodiment: referring to Fig. 1～Fig. 4, a kind of motorcycle reverse gear, comprise casing 1, shift control mechanism, the clutch piece 17 that is connected with shift control mechanism, and reverse gear bevel gear 16 and the suitable retaining bevel gear 18 that are positioned at clutch piece 17 two ends, it is characterized in that: the gearshift axle 10 of described shift control mechanism is perpendicular with the axis of described clutch piece 17; Between the shift fork 5 of described gearshift axle 10 and described shift control mechanism, set up the rocking arm 12 that is connected with both, be used to drive described shift fork 5 and reach the described clutch piece 17 that cooperates with described shift fork 5 and move axially.
The described casing 1 that is positioned at the outside of described rocking arm 12 is provided with the positioning means that is used for after rocking arm rotates.
On the outer end of described gearshift axle 10 and corresponding described casing 1 thereof, set up limit adjusting mechanism.
Described gearshift axle 10 is positioned at the top of described clutch piece 17, described shift fork 5 is attached thereto from described clutch piece 17 outer side surfaces: the inner end of described gearshift axle 10 through neck bush 14 and nut the end face in described casing 1 locate, locate on described casing 1 outside end face through external bushing 11 at its middle part, is provided with grommet sheet and seal ring between the step end face on the outside of described external bushing 11 end face and the described gearshift axle 10; The borehole jack of described rocking arm 12 upper ends is on described gearshift axle 10, and the Cock screw through radially being provided with 13 is fixing, and the hole of described rocking arm 12 lower ends cooperates with the outer end cylindrical gap of described shift fork 5; The arc vent of described shift fork 5 is in the radial groove of described clutch piece 17.
Described positioning means is included in the pretension bolt that is threaded 8 that the place, below that is positioned at described gearshift axle 10 on described casing 1 outer side surface sets up, the locating stud 6 of the Spielpassung that in the hole of the inner of described pretension bolt 8, is provided with, and the stage clip 7 that in the endoporus of described locating stud 6 the inners, is provided with, the two ends of described stage clip 7 contact with the interior hole end surface of described locating stud 6 and described pretension bolt 8 respectively, and it is conical that the outer end of described locating stud 6 is; The outer side surface of described rocking arm 12 is made of the right tilted surface 12a and the left tilted surface 12b that intersect; The conical surface gradient of described locating stud 6 is identical with the gradient of described right tilted surface 12a and described left tilted surface 12b, and the front portion, outer end of described locating stud 6 is positioned at the inclined-plane of described right tilted surface 12a and described left tilted surface 12b.
The limit body 3 that connects through spline that described limit adjusting mechanism is included in that the outside that is positioned at described casing 1 on the described gearshift axle 10 sets up, the two ends that described limit body 3 stretches out are left adjusting screw 2 and the right adjusting screw 4 by being threaded respectively, the right positioning boss 1a and the left positioning boss 1b that set up on the described casing 1 of corresponding position below described left adjusting screw 2 and the described right adjusting screw 4.
Described gearshift axle 10 turns to and makes described clutch piece 17 and described suitable retaining bevel gear 18 complete position engaged, the lower end surface of described left adjusting screw 2 contacts with the upper-end surface of described left positioning boss 1b, and the outer end conical surface of described locating stud 6 contacts with the described left tilted surface 12b of described rocking arm 12 simultaneously; Described gearshift axle 10 turns to and makes described clutch piece 17 and the described bevel gear 16 complete position engaged of reversing gear, the lower end surface of described right adjusting screw 4 contacts with the upper-end surface of described right positioning boss 1a, and the outer end conical surface of described locating stud 6 contacts with the described right tilted surface 12a of described rocking arm 12 simultaneously.
Shown in the accompanying drawing of present embodiment be: gearshift axle 10 turns to clutch piece 17 and the suitable state that keeps off bevel gear 18 complete position engaged of making; Spline output shaft 20 1 ends by Bearing Installation on casing 1, the other end stretches out bearing cap 19, in casing 1, be enclosed within on the spline output shaft 20 by the endoporus sky along the retaining bevel gear 18 and the bevel gear 16 of reversing gear, clutch piece 17 is contained on spline output shaft 20 external spliness by inner spline housing, and along retaining bevel gear 18 and reversing gear between the bevel gear 16, clutch piece 17 can horizontally slip on spline output shaft 20, all mesh with drive bevel gear 15 along the retaining bevel gear 18 and the bevel gear 16 of reversing gear, foot treadle 9 is solidly set on the outer end of gearshift axle 10 by spline.The structure that does not mark in the accompanying drawing is the conventional structure of existing reverse gear.
Claims (10)
1, a kind of motorcycle reverse gear, comprise casing (1), shift control mechanism, the clutch piece that is connected with shift control mechanism (17), and the bevel gear of reversing gear (16) and the suitable retaining bevel gear (18) that are positioned at clutch piece (17) two ends, it is characterized in that: the gearshift axle (10) of described shift control mechanism is perpendicular with the axis of described clutch piece (17); Between the shift fork (5) of described gearshift axle (10) and described shift control mechanism, set up the rocking arm (12) that is connected with both, be used to drive described shift fork (5) and reach the described clutch piece (17) that cooperates with described shift fork (5) and move axially.
2, motorcycle reverse gear as claimed in claim 1 is characterized in that: the described casing (1) that is positioned at the outside of described rocking arm (12) is provided with the positioning means that is used for after rocking arm rotates.
3, motorcycle reverse gear as claimed in claim 1 or 2 is characterized in that: set up limit adjusting mechanism on the outer end of described gearshift axle (10) and corresponding described casing (1) thereof.
4, motorcycle reverse gear as claimed in claim 3 is characterized in that: described gearshift axle (10) is positioned at the top of described clutch piece (17), and described shift fork (5) is attached thereto from described clutch piece (17) outer side surface.
5, motorcycle reverse gear as claimed in claim 4, it is characterized in that: the inner end of described gearshift axle (10) is located on the end face in described casing (1) through neck bush (14) and nut, is locating on the end face of described casing (1) outside through external bushing (11) at its middle part, is provided with grommet sheet and seal ring between the step end face in the outside end face of described external bushing (11) and the described gearshift spool (10); The borehole jack of described rocking arm (12) upper end is on described gearshift axle (10), and the Cock screw (13) through radially being provided with is fixing, and the hole of described rocking arm (12) lower end cooperates with the outer end cylindrical gap of described shift fork (5); The arc vent of described shift fork (5) is in the radial groove of described clutch piece (17).
6, motorcycle reverse gear as claimed in claim 2, it is characterized in that: described positioning means is included in the fixedly connected pretension bolt (8) that the place, below that is positioned at described gearshift axle (10) on described casing (1) outer side surface sets up, the locating stud (6) of the Spielpassung that in the hole of the inner of described pretension bolt (8), is provided with, and the stage clip (7) that in the inner endoporus of described locating stud (6), is provided with, the two ends of described stage clip (7) contact with the interior hole end surface of described locating stud (6) with described pretension bolt (8) respectively, and it is conical that the outer end of described locating stud (6) is; The outer side surface of described rocking arm (12) is made of right tilted surface (12a) that intersects and left tilted surface (12b); The conical surface gradient of described locating stud (6) is identical with the gradient of described right tilted surface (12a) and described left tilted surface (12b), and the front portion, outer end of described locating stud (6) is positioned at the inclined-plane of described right tilted surface (12a) and described left tilted surface (12b).
7, motorcycle reverse gear as claimed in claim 3, it is characterized in that: described limit adjusting mechanism is included in the fixedly connected limit body (3) that the outside that is positioned at described casing (1) on the described gearshift axle (10) is set up, the two ends that described limit body (3) stretches out are left adjusting screw (2) and the right adjusting screw (4) by being threaded respectively, right positioning boss (1a) and the left positioning boss (1b) set up on the described casing (1) of described left adjusting screw (2) and described right adjusting screw (4) below corresponding position.
8, motorcycle reverse gear as claimed in claim 6, it is characterized in that: described limit adjusting mechanism is included in the fixedly connected limit body (3) that the outside that is positioned at described casing (1) on the described gearshift axle (10) is set up, the two ends that described limit body (3) stretches out are left adjusting screw (2) and the right adjusting screw (4) by being threaded respectively, right positioning boss (1a) and the left positioning boss (1b) set up on the described casing (1) of described left adjusting screw (2) and described right adjusting screw (4) below corresponding position.
9, motorcycle reverse gear as claimed in claim 8, it is characterized in that: the inner end of described gearshift axle (10) is located on the end face in described casing (1) through neck bush (14) and nut, is locating on the end face of described casing (1) outside through external bushing (11) at its middle part, is provided with grommet sheet and seal ring between the step end face in the outside end face of described external bushing (11) and the described gearshift spool (10); The borehole jack of described rocking arm (12) upper end is on described gearshift axle (10), and the Cock screw (13) through radially being provided with is fixing, and the hole of described rocking arm (12) lower end cooperates with the outer end cylindrical gap of described shift fork (5); The arc vent of described shift fork (5) is in the radial groove of described clutch piece (17).
10, motorcycle reverse gear as claimed in claim 9, it is characterized in that: described gearshift axle (10) turns to and makes the complete position engaged of described clutch piece (17) and described suitable retaining bevel gear (18), the lower end surface of described left adjusting screw (2) contacts with the upper-end surface of described left positioning boss (1b), and the outer end conical surface of described locating stud (6) contacts with the described left tilted surface (12b) of described rocking arm (12) simultaneously; Described gearshift axle (10) turns to and makes the complete position engaged of described clutch piece (17) and the described bevel gear of reversing gear (16), the lower end surface of described right adjusting screw (4) contacts with the upper-end surface of described right positioning boss (1a), and the outer end conical surface of described locating stud (6) contacts with the described right tilted surface (12a) of described rocking arm (12) simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200975016U CN201202776Y (en) | 2008-01-18 | 2008-01-18 | Reverse gear machine of motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200975016U CN201202776Y (en) | 2008-01-18 | 2008-01-18 | Reverse gear machine of motorcycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201202776Y true CN201202776Y (en) | 2009-03-04 |
Family
ID=40425089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200975016U Expired - Fee Related CN201202776Y (en) | 2008-01-18 | 2008-01-18 | Reverse gear machine of motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201202776Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103314235A (en) * | 2011-01-14 | 2013-09-18 | 劳里·格兰迪 | Reversing hub |
| CN103470697A (en) * | 2013-09-14 | 2013-12-25 | 吴先友 | Anti-gear-skipping gear reversing machine |
| CN106090199A (en) * | 2016-08-09 | 2016-11-09 | 邹玲 | Modified model three-wheeled motorcycle front boost reverse gear |
-
2008
- 2008-01-18 CN CNU2008200975016U patent/CN201202776Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103314235A (en) * | 2011-01-14 | 2013-09-18 | 劳里·格兰迪 | Reversing hub |
| CN103470697A (en) * | 2013-09-14 | 2013-12-25 | 吴先友 | Anti-gear-skipping gear reversing machine |
| CN103470697B (en) * | 2013-09-14 | 2015-12-02 | 吴先友 | A kind of anti-trip stop reverse gear |
| CN106090199A (en) * | 2016-08-09 | 2016-11-09 | 邹玲 | Modified model three-wheeled motorcycle front boost reverse gear |
| CN106090199B (en) * | 2016-08-09 | 2017-10-31 | 邹玲 | Modified three-wheeled motorcycle front boost reverse gear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090304 Termination date: 20130118 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |