CN211820706U - Shifting fork shaft, shifting fork shaft assembly, lubricating structure and motorcycle - Google Patents
Shifting fork shaft, shifting fork shaft assembly, lubricating structure and motorcycle Download PDFInfo
- Publication number
- CN211820706U CN211820706U CN202020293725.5U CN202020293725U CN211820706U CN 211820706 U CN211820706 U CN 211820706U CN 202020293725 U CN202020293725 U CN 202020293725U CN 211820706 U CN211820706 U CN 211820706U
- Authority
- CN
- China
- Prior art keywords
- gear
- speed change
- shifting fork
- oil
- shaft
- 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.)
- Active
Links
Images
Landscapes
- General Details Of Gearings (AREA)
Abstract
The utility model discloses a shift fork axle, shift fork axle subassembly, lubricating structure and motorcycle. The shifting fork shaft is provided with a first lubricating oil channel and an oil injection hole which can be communicated with an oil inlet pipeline, the oil injection hole can convey lubricating oil to the tooth surface of a speed change gear in the transmission, the speed change gear comprises a highest-gear speed change gear and a second highest-gear speed change gear, the highest-gear speed change gear is a speed change gear used for driving a vehicle to run at the highest gear, and the second highest-gear speed change gear is a speed change gear used for driving the vehicle to run at the second highest gear. When a vehicle runs at a high speed (or when an engine runs at a high speed), lubricating oil can be ensured to continuously perform oil injection lubrication on the tooth surface of a high-speed gear speed change gear in the transmission, an oil film is always present on the tooth surface, the condition that the tooth surface is invalid is reduced or even avoided, and noise is reduced. In addition, all be provided with above-mentioned declutch shift shaft in above-mentioned declutch shift shaft subassembly, lubricating structure and the motorcycle to also can play the lubricated technological effect of high-speed gear change gear reinforcing.
Description
Technical Field
The utility model relates to a vehicle manufacturing technical field, in particular to shifting fork axle, a shifting fork axle subassembly, a lubricating structure and a motorcycle.
Background
When the engine runs, the engine lubricates the tooth surface through the splashed oil, so that a layer of oil film is formed on the tooth surface, and the tooth surface is prevented from being abraded.
When the engine is in high speed (such as five-gear and six-gear), the rotating speed of the speed changing gear on the main shaft and the auxiliary shaft can reach 5000r/min, splashed oil mist generated by the rotation of parts can not be effectively attached to the tooth surface of the high-speed rotating gear, or only a small amount of oil mist is attached to the tooth surface, so that the thickness of an oil film formed on the tooth surface is reduced, when the thickness of the oil film is reduced or damaged, a micro-convex body of the tooth surface is in direct contact, a harder tooth surface at a formed cold welding position is forced to form a softer tooth surface under the action of relative sliding, grooves are formed, the tooth surface curved surface is damaged, the tooth surface is failed (pitting, gluing and the like), the problems of increasing dynamic load, increasing the temperature of the tooth surface, increasing noise, abrasion and the like.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a declutch shift shaft, a declutch shift shaft subassembly, a lubricating structure and a motorcycle, through the mode that sets up lubricating-oil duct and nozzle opening on the declutch shift shaft, can directly carry lubricating oil on the tooth surface of the gear change gear to increase oil film thickness, avoid the flank of tooth to become invalid.
In order to achieve the above object, the utility model provides a following technical scheme:
the shifting fork shaft is provided with a first lubricating oil channel capable of being communicated with an oil inlet pipeline and an oil injection hole communicated with the first lubricating oil channel, the oil injection hole can convey lubricating oil to the tooth surface of a speed change gear in a transmission, the speed change gear comprises a highest-gear speed change gear and a second highest-gear speed change gear, the highest-gear speed change gear is a speed change gear used for driving a vehicle to run at the highest gear, and the second highest-gear speed change gear is a speed change gear used for driving the vehicle to run at the second highest gear.
Preferably, in the above-described fork shaft, the oil injection hole includes a first oil injection hole for delivering lubricating oil to a tooth surface of the highest-speed transmission gear and a second oil injection hole for delivering lubricating oil to a tooth surface of the second-highest-speed transmission gear.
Preferably, in the shifting fork shaft, one end of the first lubricating oil channel is sealed by an oil channel plug, and the other end of the first lubricating oil channel is an oil inlet hole for connecting an oil inlet channel.
The utility model provides a declutch shift shaft subassembly, the declutch shift shaft subassembly includes the declutch shift shaft and sets up epaxial right shift fork and the left shift fork of declutch shift, and be used for preventing declutch shift shaft circumferential direction and axial translation's bearing pressure plate, wherein:
the fork shaft is as described above;
a first oil passing hole is formed in the position, corresponding to the first oil injection hole, of the right shifting fork, and if the right shifting fork is located at a first initial position, the first oil injection hole is communicated with the first oil passing hole; if the right shifting fork moves leftwards along the central axis of the shifting fork shaft, the first oil injection hole is blocked by the right shifting fork; if the right shifting fork moves rightwards along the central axis of the shifting fork shaft, the first oil injection hole is blocked by the right shifting fork;
a second oil passing hole is formed in the position, corresponding to the second oil injection hole, of the left shifting fork, and if the left shifting fork is located at a second initial position, the second oil injection hole is communicated with the second oil passing hole; if the left shifting fork moves leftwards along the central axis of the shifting fork shaft, the second oil injection hole is blocked by the left shifting fork; if the left shifting fork moves rightwards along the central axis of the shifting fork shaft, the second oil injection hole is blocked by the left shifting fork.
Preferably, in the fork shaft assembly, the diameter of the first oil passing hole is larger than that of the first oil injection hole;
the diameter of the second oil passing hole is larger than that of the second oil injection hole.
Preferably, in the fork shaft assembly, an intermediate fork is further included;
the highest gear speed-changing gear is arranged on the auxiliary shaft and is controlled to translate left and right by the right shifting fork;
the secondary high-gear speed change gear is arranged on the auxiliary shaft and is controlled to translate left and right by the left shifting fork;
when the middle shifting fork moves rightwards, the main shaft is in transmission connection with the auxiliary shaft through a first speed change gear on the main shaft and the highest gear speed change gear;
and when the middle shifting fork moves leftwards, the main shaft is in transmission connection with the auxiliary shaft through a second speed change gear on the main shaft and the secondary high-gear speed change gear.
A lubrication structure comprising a fork shaft assembly, a main shaft assembly and a secondary shaft assembly, wherein:
the fork shaft assembly is as described above;
one end of a main shaft in the main shaft assembly is used for being in transmission connection with a clutch, a plurality of main shaft speed change gears with different gears are arranged on the main shaft, a second lubricating oil channel is arranged in the main shaft, and the second lubricating oil channel and the first lubricating oil channel in the shifting fork shaft are connected in parallel to form a parallel branch;
a plurality of auxiliary shaft speed change gears meshed with the main shaft speed change gears are arranged on an auxiliary shaft in the auxiliary shaft assembly, a third lubricating oil channel is arranged in the auxiliary shaft, and the third lubricating oil channel is connected with the parallel branch in parallel.
Preferably, in the above lubricating structure, the oil inlet end of the parallel branch is provided with a first throttle plug;
and the oil inlet end of the third lubricating oil channel is provided with a second throttling plug.
A motorcycle provided with the lubricating structure as described hereinabove.
According to the above technical scheme, the utility model provides an in the declutch shift shaft, through first lubricating-oil duct and the nozzle opening of setting in the declutch shift shaft, can directly spout lubricating oil on the gear surface of the high-speed gear change gear that keeps off in the derailleur. Therefore, when the vehicle runs at a high speed (or when the engine runs at a high speed +, the lubricating oil can be ensured to continuously perform oil injection lubrication on the tooth surface of the high-speed gear speed changing gear in the transmission, an oil film is always present on the tooth surface, the condition that the tooth surface is invalid is reduced, even avoided, and the noise is reduced.
Furthermore, because the utility model provides an all be provided with above-mentioned declutch shift shaft in declutch shift shaft subassembly, lubricating structure and the motorcycle to also can play the above-mentioned technological effect of strengthening the lubrication to high-speed gear change gear.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a cross-sectional view of a fork shaft according to a first embodiment of the present invention;
fig. 2 is a schematic structural view of a shift fork shaft assembly according to a second embodiment of the present invention;
fig. 3 is a schematic structural view of a lubricating structure according to a third embodiment of the present invention;
fig. 4 is a front view of a speed change structure in which a lubricating structure according to a third embodiment of the present invention is provided;
FIG. 5 is a sectional view taken along line G-G of FIG. 4;
fig. 6 is a right side view of a transmission structure in which a lubricating structure according to a third embodiment of the present invention is provided;
FIG. 7 is a sectional view taken along line F-F of FIG. 6;
fig. 8 is a schematic view of a speed change structure and a connection structure of a speed change drum of a lubricating structure according to a third embodiment of the present invention.
Wherein:
1-declutch shift shaft, 2-auxiliary shaft, 3-main shaft, 4-clutch,
51-the first choke plug, 52-the second choke plug,
10-an oil inlet, 11-a first oil injection hole, 12-a second oil injection hole, 13-an oil duct plug,
14-left shifting fork, 15-middle shifting fork, 16-right shifting fork, 17-bearing pressing plate,
140-the second oil passing hole, 160-the first oil passing hole,
21-highest gear change gear (controlled by right shifting fork to translate left and right),
22-second highest gear change gear (left-right translation controlled by a left shifting fork),
23-first speed change gear, 24-second speed change gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
First embodiment
Referring to fig. 1, fig. 1 is a cross-sectional view of a fork shaft according to a first embodiment of the present invention.
The utility model discloses a first concrete embodiment provides a shifting fork axle. The shifting fork shaft is provided with a first lubricating oil channel and an oil injection hole which can be communicated with an oil inlet pipeline, and the oil injection hole can convey lubricating oil to the tooth surface of a speed changing gear in the speed changer, particularly a high-speed gear speed changing gear in the speed changer.
Specifically, referring to fig. 7, the "speed change gears" include at least a highest speed change gear 21 and a next highest speed change gear 22, the highest speed change gear 21 being a speed change gear for driving the vehicle to run in the highest speed, and the next highest speed change gear 22 being a speed change gear for driving the vehicle to run in the next highest speed.
It is therefore clear that the utility model discloses in the declutch shift shaft that the first embodiment provided, through first lubricating-oil duct and the nozzle opening of setting in the declutch shift shaft, can directly spout lubricating oil on the gear surface of the high-speed gear change gear that keeps off in the derailleur. Therefore, when the vehicle runs at a high speed (or when the engine runs at a high speed), the lubricating oil can be ensured to continuously perform oil injection lubrication on the tooth surface of the high-speed gear speed changing gear in the transmission, an oil film is always present on the tooth surface, the condition that the tooth surface is invalid is reduced, and the noise is reduced.
Here, it should be noted that:
(1) generally, different gears for controlling the vehicle to run at different speeds are arranged on the vehicle, each gear is realized by shifting a corresponding speed change gear to a corresponding position through a shifting fork, each speed change gear is respectively arranged on a main shaft and an auxiliary shaft, and the shifting fork is arranged on a shifting fork shaft. The shift rail described herein is applicable to a variety of vehicles having non-gear positions. For example, if the shift rail is adapted to a vehicle having six gears, the "high-speed transmission gear" is a "six-speed transmission gear" (the six-speed transmission gear is a transmission gear of the transmission for driving the vehicle to travel in six gears), and the "next high-speed transmission gear" is a "five-speed transmission gear" (the five-speed transmission gear is a transmission gear of the transmission for driving the vehicle to travel in five gears); for example, if the shift shaft-adapted vehicle has seven gears, the "high-speed gear" is a "seven-speed gear" (the seven-speed gear refers to a gear for driving the vehicle to travel in seven gears in the transmission), the "next-high-speed gear" is a "six-speed gear" (the six-speed gear refers to a gear for driving the vehicle to travel in six gears in the transmission), and so on for other vehicle types. The utility model provides a declutch shift shaft does not do specifically to injecing to the concrete fender position quantity of vehicle, and is applicable in the various vehicle that have not kept off the position.
(2) As used herein, a "tooth flank" is the tooth flank surface between the tooth tip flank surface and the tooth root flank surface;
(3) the "oil film" as used herein refers to a lubricating film formed on a metal surface by a lubricating oil. The conditions for forming the dynamic pressure oil film are as follows: firstly, the clearance between two working surfaces is required to be changed; lubricating oil or other viscous fluid must be filled continuously between the two working surfaces; and the relative sliding speed between the two working surfaces is required. Wherein, condition (r) and (c) are inevitable production when the gear engagement is rotatory, the utility model discloses a thereby realize condition (r) thereby make the change gear of derailleur on have the dynamic pressure oil film always to reduce and avoid the condition that the flank of tooth became invalid even, noise abatement.
Specifically, the first lubricating oil passage is located on a central axis of the fork shaft. One end of the first lubricating oil channel is sealed through an oil channel plug 13, and the other end of the first lubricating oil channel is an oil inlet hole 10 used for being connected with an oil inlet oil channel.
Specifically, the oil jet holes include a first oil jet hole 11 and a second oil jet hole 12, the first oil jet hole 11 being configured to deliver lubricating oil to the tooth surface of the highest-speed change gear 21, and the second oil jet hole 12 being configured to deliver lubricating oil to the tooth surface of the next-highest-speed change gear 22.
Second embodiment
Referring to fig. 2, fig. 2 is a schematic structural view of a shift fork shaft assembly according to a second embodiment of the present invention.
The utility model discloses a second concrete embodiment provides a declutch shift shaft subassembly, and this declutch shift shaft subassembly includes declutch shift shaft 1 and sets up right shift fork 16 and left shift fork 14 on declutch shift shaft 1 to and bearing pressing plate 17, this bearing pressing plate 17 is used for fixing a position declutch shift shaft 1, prevents 1 rotation in circumference of declutch shift shaft and axial translation.
Among them, see fig. 7:
the fork shaft 1 is the fork shaft described in the first embodiment;
a first oil passing hole 160 is formed in the right shifting fork 16 at a position corresponding to the first oil injection hole 11, and if the right shifting fork 16 is located at a first initial position, the first oil injection hole 11 is communicated with the first oil passing hole 160; if the right shifting fork 16 moves leftwards along the central axis of the shifting fork shaft 1, the first oil injection hole 11 is blocked by the right shifting fork 16; if the right shifting fork 16 moves to the right along the central axis of the shifting fork shaft 1, the first oil injection hole 11 is blocked by the right shifting fork 16;
a second oil passing hole 140 is formed in the position, corresponding to the second oil injection hole 12, of the left shifting fork 14, and if the left shifting fork 14 is located at a second initial position, the second oil injection hole 12 is communicated with the second oil passing hole 140; if the left shifting fork 14 moves left along the central axis of the shifting fork shaft 1, the second oil injection hole 12 is blocked by the left shifting fork 14; if the left fork 14 moves to the right along the central axis of the fork shaft 1, the second fuel injection hole 12 is blocked by the left fork 14.
Specifically, the diameter of the first oil passing hole 160 is larger than that of the first oil jet 11, and the diameter of the second oil passing hole 140 is larger than that of the second oil jet 12.
In particular, as can be seen in fig. 4 to 8, the fork shaft assembly further comprises an intermediate fork 15 for controlling whether a first speed gear 23 and a second speed gear 24 on the main shaft 3 in the transmission rotate synchronously with the main shaft 3. Wherein:
the highest gear change gear 21 is arranged on the auxiliary shaft 2 and is controlled to move left and right by a right shifting fork 16;
the secondary high-gear speed change gear 22 is arranged on the auxiliary shaft 2 and is controlled to translate left and right by the left shifting fork 14;
when the middle shifting fork 15 moves rightwards, the main shaft 3 and the auxiliary shaft 2 are in transmission connection through a first speed change gear 23 and a highest gear speed change gear 21;
when the intermediate shifting fork 15 moves leftwards, the main shaft 3 and the auxiliary shaft 2 are in transmission connection through a second speed change gear 24 and a next higher speed change gear 22.
The following vehicle that uses the highest gear to keep off for six is the example, right the utility model discloses the theory of operation of the shift fork axle subassembly that the third embodiment provided specifically explains:
(a) when the engine is in the 1-gear, the right shifting fork 16 moves to the right, the first oil injection hole 11 on the right side of the shifting fork shaft 1 is blocked by the right shifting fork 16, and the second oil injection hole 12 on the left side of the shifting fork shaft 1 injects oil to the next-higher speed change gear 22 (namely, the countershaft fifth-gear speed change gear). The first and second speed change gears 23 and 24 (i.e., the main shaft six-speed change gear and the main shaft five-speed change gear) on the main shaft 2 are idle and do not carry a load.
(b) When the engine is in the 2-gear, the left shifting fork 14 moves to the left, the second oil injection hole 12 on the left side of the shifting fork shaft 1 is blocked by the left shifting fork 14, and the first oil injection hole 11 on the right side of the shifting fork shaft 1 injects oil to the highest-gear speed change gear 21 (namely, the countershaft six-gear speed change gear). The first and second speed change gears 23 and 24 (i.e., the main shaft six-speed change gear and the main shaft five-speed change gear) on the main shaft 2 are idle and do not carry a load.
(c) When the engine is in the 3-gear, the right shifting fork 16 moves to the left, the first oil injection hole 11 on the right side of the shifting fork shaft 1 is blocked by the right shifting fork 16, and the second oil injection hole 12 on the left side of the shifting fork shaft 1 injects oil to the next-higher speed change gear 22 (namely, the countershaft fifth-gear speed change gear). The first and second speed change gears 23 and 24 (i.e., the main shaft six-speed change gear and the main shaft five-speed change gear) on the main shaft 2 are idle and do not carry a load.
(d) When the engine is in the 4-gear, the left shifting fork 14 moves to the right, the second oil injection hole 12 on the left side of the shifting fork shaft 1 is blocked by the left shifting fork 14, and the first oil injection hole 11 on the right side of the shifting fork shaft 1 injects oil to the highest-gear speed change gear 21 (namely, the countershaft six-gear speed change gear). The first and second speed change gears 23 and 24 (i.e., the main shaft six-speed change gear and the main shaft five-speed change gear) on the main shaft 2 are idle and do not carry a load.
(e) When the engine is in the 5-gear, the middle shifting fork 15 moves leftwards, the first oil injection hole 11 and the second oil injection hole 12 on the shifting fork shaft 1 respectively inject oil to the highest-gear speed change gear 21 (namely, a countershaft six-gear speed change gear) and the next-highest-gear speed change gear 22 (namely, a countershaft five-gear speed change gear), the engine is at a high speed at the moment, and the highest-gear speed change gear 21 and the next-highest-gear speed change gear 22 can be well lubricated and protected.
(f) When the engine is in the 6-gear, the middle shifting fork 15 moves to the right, the first oil injection hole 11 and the second oil injection hole 12 on the shifting fork shaft 1 respectively inject oil to the highest-gear speed change gear 21 (namely, a countershaft six-gear speed change gear) and the next-highest-gear speed change gear 22 (namely, a countershaft five-gear speed change gear), the engine is at a high speed at the moment, and the highest-gear speed change gear 21 and the next-highest-gear speed change gear 22 can be well lubricated and protected.
Third embodiment
Referring to fig. 3 to 8, fig. 3 is a schematic structural view of a lubricating structure according to a third embodiment of the present invention; fig. 4 is a front view of a speed change structure in which a lubricating structure according to a third embodiment of the present invention is provided; FIG. 5 is a sectional view taken along line G-G of FIG. 4; fig. 6 is a right side view of a transmission structure in which a lubricating structure according to a third embodiment of the present invention is provided; FIG. 7 is a sectional view taken along line F-F of FIG. 6; fig. 8 is a schematic view of a speed change structure and a connection structure of a speed change drum of a lubricating structure according to a third embodiment of the present invention.
The utility model discloses a third embodiment provides a lubricating structure, including shift fork axle subassembly, main shaft subassembly and countershaft subassembly, wherein:
the shifting fork shaft assembly is the shifting fork shaft assembly provided in the second embodiment;
one end of a main shaft 3 (namely an input shaft in a transmission) in the main shaft assembly is used for being in transmission connection with a clutch 4, a plurality of main shaft speed change gears with different gears are arranged on the main shaft 3, a second lubricating oil channel is arranged in the main shaft 3, and the second lubricating oil channel and a first lubricating oil channel in a shifting fork shaft 1 are connected in parallel to form a parallel branch;
a plurality of countershaft speed change gears for meshing with the main shaft speed change gear are provided on a countershaft 2 (i.e., an output shaft in the transmission) of the countershaft assembly, and a third lubricating oil passage is provided in the countershaft 2 in parallel with the above-described "parallel branch".
Specifically, as shown in fig. 3, the oil inlet end of the "parallel branch" is provided with a first throttle plug 51; the oil inlet end of the third lubricating oil channel is provided with a second throttle plug 52.
Therefore, when engine lubricating oil passes through the oil inlet duct to the tail end oil path, the lubricating oil enters a first lubricating oil channel in the shifting fork shaft 1 from the oil inlet hole 10 at the left end of the shifting fork shaft 1, the first lubricating oil channel is connected with a second lubricating oil channel on the main shaft 3 in parallel, and the first lubricating oil channel is throttled.
Specifically, the "highest-speed transmission gear 21" is a transmission gear having the smallest diameter on the counter shaft 2; the "second highest speed ratio gear 22" is a ratio gear on the counter shaft 2 that has a smaller diameter than the "highest speed ratio gear 21" and a larger diameter than the other ratio gears; the largest diameter ratio gear on the countershaft 2 is the lowest ratio gear.
Fourth embodiment
The utility model discloses a fourth embodiment provides a motorcycle, is provided with the lubricating structure who provides as above-mentioned third embodiment in this motorcycle.
In the actual use process of the two-wheeled motorcycle, the time for using the high-speed gear is more, namely the time for the high-speed gear speed change gear to participate in transmission is more, so that the service life of the high-speed gear speed change gear can be effectively prolonged through the lubricating structure. In addition, the lubricating structure can reduce the noise generated by relative sliding of the gear tooth surfaces when the vehicle runs at high speed.
To sum up, the utility model provides an unnecessary increase part of scheme utilizes some structures of engine itself to realize strengthening the lubricated effect of high-speed fender change gear, practices thrift space and cost, reduces the design degree of difficulty.
In addition, the utility model discloses fifth embodiment and sixth embodiment are still provided.
Fifth embodiment
The utility model discloses the fifth embodiment provides a shifting fork axle, this shifting fork axle with the utility model discloses the difference of the shifting fork axle that the first embodiment provided lies in: not only be provided with first lubrication oil duct, first nozzle opening and second nozzle opening in this declutch shift shaft, can lubricate highest gear change gear and inferior high gear change gear, moreover, technical personnel in the field still can set up more nozzle openings according to actual need to lubricate the change gear of other positions.
Sixth embodiment
The utility model discloses the sixth embodiment provides a shifting fork axle subassembly, this shifting fork axle subassembly with the utility model discloses the difference of the shifting fork axle subassembly that the second embodiment provided lies in: the utility model discloses only be provided with a declutch shift shaft 1 in the declutch shift shaft subassembly that second embodiment provided, the utility model discloses two declutch shift shafts 1 in the declutch shift shaft subassembly that sixth embodiment provided.
The utility model discloses in the sixth embodiment, adjust single declutch shift shaft to two declutch shift shafts, its variable speed mode method with the utility model discloses the declutch shift shaft subassembly that the second embodiment provided is identical completely.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The shifting fork shaft is characterized in that a first lubricating oil channel capable of being communicated with an oil inlet pipeline and an oil injection hole communicated with the first lubricating oil channel are arranged on the shifting fork shaft, lubricating oil can be delivered to the tooth surface of a speed change gear in a transmission through the oil injection hole, the speed change gear comprises a highest-gear speed change gear (21) and a second-highest-gear speed change gear (22), the highest-gear speed change gear (21) is a speed change gear used for driving a vehicle to run at the highest gear, and the second-highest-gear speed change gear (22) is a speed change gear used for driving the vehicle to run at the second highest gear.
2. The shift rail according to claim 1, characterized in that the oil injection holes include a first oil injection hole (11) and a second oil injection hole (12), the first oil injection hole (11) being used to deliver lubricating oil to the tooth flanks of the highest speed change gear (21), and the second oil injection hole (12) being used to deliver lubricating oil to the tooth flanks of the next highest speed change gear (22).
3. The declutch shift shaft according to claim 1 or 2, wherein one end of the first lubricating oil passage is closed by an oil passage plug (13), and the other end is an oil inlet hole (10) for connecting an oil inlet passage.
4. The utility model provides a declutch shift shaft subassembly, its characterized in that, the declutch shift shaft subassembly includes declutch shift shaft (1) and sets up right shift fork (16) and left shift fork (14) on declutch shift shaft (1), and be used for preventing bearing clamp plate (17) of declutch shift shaft (1) rotation in a circumferential direction and axial translation, wherein:
the fork shaft (1) is according to claim 2;
a first oil passing hole (160) is formed in the position, corresponding to the first oil injection hole (11), of the right shifting fork (16), and if the right shifting fork (16) is located at a first initial position, the first oil injection hole (11) is communicated with the first oil passing hole (160); if the right shifting fork (16) moves leftwards along the central axis of the shifting fork shaft (1), the first oil injection hole (11) is blocked by the right shifting fork (16); if the right shifting fork (16) moves to the right along the central axis of the shifting fork shaft (1), the first oil injection hole (11) is blocked by the right shifting fork (16);
a second oil passing hole (140) is formed in the position, corresponding to the second oil injection hole (12), of the left shifting fork (14), and if the left shifting fork (14) is located at a second initial position, the second oil injection hole (12) is communicated with the second oil passing hole (140); if the left shifting fork (14) moves leftwards along the central axis of the shifting fork shaft (1), the second oil injection hole (12) is blocked by the left shifting fork (14); if the left shifting fork (14) moves to the right along the central axis of the shifting fork shaft (1), the second oil injection hole (12) is blocked by the left shifting fork (14).
5. A fork shaft assembly according to claim 4, wherein the diameter of the first oil passing hole (160) is greater than the diameter of the first oil injection hole (11);
the diameter of the second oil passing hole (140) is larger than that of the second oil injection hole (12).
6. A fork shaft assembly according to claim 4, further comprising an intermediate fork (15);
the highest gear change gear (21) is arranged on the auxiliary shaft (2) and is controlled to translate left and right by the right shifting fork (16);
the secondary high-gear speed change gear (22) is arranged on the auxiliary shaft (2) and is controlled to translate left and right by the left shifting fork (14);
when the middle shifting fork (15) moves rightwards, the main shaft (3) is in transmission connection with the auxiliary shaft (2) through a first speed change gear (23) on the main shaft (3) and the highest gear speed change gear (21);
and the middle shifting fork (15) moves leftwards, so that the main shaft (3) is in transmission connection with the auxiliary shaft (2) through a second speed change gear (24) on the main shaft (3) and the secondary high-gear speed change gear (22).
7. A lubricating structure, characterized by, includes fork axle subassembly, main shaft subassembly and countershaft subassembly, wherein:
the fork shaft assembly is as claimed in any one of claims 4 to 6;
one end of a main shaft (3) in the main shaft assembly is in transmission connection with a clutch (4), a plurality of main shaft speed change gears with different gears are arranged on the main shaft (3), a second lubricating oil channel is arranged in the main shaft (3), and the second lubricating oil channel and the first lubricating oil channel in the shifting fork shaft (1) are connected in parallel to form a parallel branch;
a plurality of auxiliary shaft speed change gears meshed with the main shaft speed change gears are arranged on an auxiliary shaft (2) in the auxiliary shaft assembly, a third lubricating oil channel is arranged in the auxiliary shaft (2), and the third lubricating oil channel is connected with the parallel branch in parallel.
8. The lubrication structure according to claim 7, wherein an oil inlet end of the parallel branch is provided with a first throttle plug (51);
and the oil inlet end of the third lubricating oil channel is provided with a second throttling plug (52).
9. A motorcycle characterized by being provided with the lubricating structure as claimed in claim 7 or 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020293725.5U CN211820706U (en) | 2020-03-11 | 2020-03-11 | Shifting fork shaft, shifting fork shaft assembly, lubricating structure and motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020293725.5U CN211820706U (en) | 2020-03-11 | 2020-03-11 | Shifting fork shaft, shifting fork shaft assembly, lubricating structure and motorcycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211820706U true CN211820706U (en) | 2020-10-30 |
Family
ID=73007967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020293725.5U Active CN211820706U (en) | 2020-03-11 | 2020-03-11 | Shifting fork shaft, shifting fork shaft assembly, lubricating structure and motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211820706U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855908A (en) * | 2021-02-03 | 2021-05-28 | 安徽三联学院 | Gear selecting and shifting device of automobile transmission |
-
2020
- 2020-03-11 CN CN202020293725.5U patent/CN211820706U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855908A (en) * | 2021-02-03 | 2021-05-28 | 安徽三联学院 | Gear selecting and shifting device of automobile transmission |
| CN112855908B (en) * | 2021-02-03 | 2022-03-22 | 安徽三联学院 | Gear selecting and shifting device of automobile transmission |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4691265B2 (en) | Lubricating oil supply structure | |
| CN211820706U (en) | Shifting fork shaft, shifting fork shaft assembly, lubricating structure and motorcycle | |
| US5884525A (en) | Gear type power transmission | |
| JP2017211012A (en) | Lubrication structure of power transmission device | |
| CN208831478U (en) | A kind of outer output shaft of high abrasion automobile gearbox | |
| JP5727745B2 (en) | Gear support structure | |
| JP2009036227A (en) | Transmission | |
| CN214384235U (en) | Speed changer | |
| US7914415B2 (en) | Automatic transmission | |
| JP5038208B2 (en) | Lubrication structure in transmission | |
| JP3750353B2 (en) | Gearbox synchronizer | |
| JP5340106B2 (en) | Power transmission device for motorcycles | |
| CN214248173U (en) | Engineering vehicle transmission | |
| JPH09177950A (en) | Mechanical transmission | |
| CN214578648U (en) | Transmission system of six-gear double-clutch transmission | |
| CN114704599B (en) | Tractor power reversing and power high-low gear shifting gearbox | |
| CN212775404U (en) | 32F +16R transmission system of tractor | |
| JP7543085B2 (en) | Transmission | |
| CN210686876U (en) | 8-gear double-intermediate-shaft transmission | |
| KR100309384B1 (en) | Lubrication structure of manual transmission | |
| CN216430450U (en) | Longitudinal five-speed manual transmission assembly | |
| CN212004118U (en) | Large-speed-ratio partition double-intermediate-shaft gearbox | |
| CN216343719U (en) | Tractor gearbox | |
| JPH10103419A (en) | Transmission with auxiliary transmission | |
| JPH11348586A (en) | Transfer of four wheel drive |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |