CN115306889A - Shift shaft mechanism, gearbox and car - Google Patents
Shift shaft mechanism, gearbox and car Download PDFInfo
- Publication number
- CN115306889A CN115306889A CN202210874485.1A CN202210874485A CN115306889A CN 115306889 A CN115306889 A CN 115306889A CN 202210874485 A CN202210874485 A CN 202210874485A CN 115306889 A CN115306889 A CN 115306889A
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- Prior art keywords
- gear shifting
- groove
- shifting shaft
- shift
- boss
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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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
- F16H59/04—Ratio selector apparatus
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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
Abstract
The invention discloses a gear shifting shaft mechanism, a gearbox and an automobile, wherein the gear shifting shaft mechanism comprises a limiting sleeve body, a first gear shifting shaft and a second gear shifting shaft, the first gear shifting shaft moves leftwards to enable a first concave-convex annular structure to be matched with an oblique boss and push the second gear shifting shaft to move leftwards, and guide a fixed rotating wheel to rotate so as to enable the oblique boss to be arranged corresponding to a backstop groove, the first gear shifting shaft moves rightwards, the oblique boss slides into the backstop groove and abuts against the right side wall of the backstop groove to stop, the first gear shifting shaft moves leftwards again to enable the first concave-convex annular structure to be matched with the oblique boss and guide the fixed rotating wheel to rotate again so as to enable the oblique boss to be arranged corresponding to an avoidance groove, the first gear shifting shaft moves rightwards again, the oblique boss slides into the avoidance groove to return.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a gear shifting shaft mechanism, a gearbox and an automobile.
Background
In the running process of the automobile, under the working conditions of sliding, sudden acceleration and the like, the manual transmission has the phenomenon of gear jumping or gear disengaging. Sudden power interruption can occur in the running process of the automobile, the automobile cannot run, and the reliability of the automobile is insufficient.
Disclosure of Invention
The invention mainly aims to provide a gear shifting shaft mechanism, and aims to solve the problem that a synchronizer is out of gear in the driving process of an automobile.
In order to achieve the above object, the present invention provides a shift shaft mechanism comprising:
the limiting sleeve body extends along the left and right direction and is used for fixed installation, a plurality of grooves are defined on the inner wall surface of the limiting sleeve body, the left side walls of the grooves are arranged in a penetrating manner, the grooves comprise stopping grooves and avoiding grooves, and the right side wall of each stopping groove is positioned on the left side of the right side wall of each avoiding groove or is arranged in a penetrating manner;
the first gear shifting shaft is movably arranged along the left-right direction, a first concave-convex annular structure is distributed on the periphery of the left end of the first gear shifting shaft, and the first concave-convex annular structure can extend into the limiting sleeve body; and the number of the first and second groups,
the second gear shifting shaft is movably arranged along the left-right direction, a fixed rotating wheel is arranged at the right end of the second gear shifting shaft, an inclined boss matched with the first concave-convex annular structure is arranged on the periphery of the right end of the fixed rotating wheel, and the fixed rotating wheel can extend into the limiting sleeve body;
the first gear shifting shaft moves leftwards, so that the first concave-convex annular structure is matched with the inclined boss, the second gear shifting shaft is pushed to move leftwards, the fixed rotating wheel is guided to rotate, the inclined boss is arranged corresponding to the retaining groove, the first gear shifting shaft moves rightwards, and the inclined boss slides into the retaining groove and abuts against the right side wall of the retaining groove to prevent the retaining;
the first gear shifting shaft moves left again, so that the first concave-convex annular structure is matched with the oblique boss and guides the fixed rotating wheel to rotate again, so that the oblique boss corresponds to the avoiding groove, the first gear shifting shaft moves right again, and the oblique boss slides into the avoiding groove to return.
Optionally, a spacing rib is defined between the stopping groove and the avoiding groove, a first inclined guide inclined plane is formed at the left end of the spacing rib, and the first inclined guide inclined plane is arranged in parallel with the inclined plane of the inclined boss to guide the fixed runner to rotate; and/or the presence of a gas in the atmosphere,
first unsmooth annular structure includes that the annular direction is protruding, be equipped with a plurality of spaced direction recesses on the annular direction arch, each the inside wall of direction recess sets up to second slope direction inclined plane, second slope direction inclined plane is used for the direction decide the runner rotation.
Optionally, the stopping groove is provided with a plurality of grooves, the avoiding groove is provided with a plurality of grooves, and the avoiding groove is provided with a plurality of grooves.
Optionally, the inclined bosses are arranged in plurality and are arranged at intervals along the circumferential direction of the fixed rotating wheel.
Optionally, a spring member abuts against a left end of the second shift shaft to reset the second shift shaft to move rightward.
Optionally, the shift shaft mechanism further comprises a shift fork connected to the left end of the second shift shaft through a connecting member.
Optionally, the shift shaft mechanism further comprises a shift dial connected with the right end of the first shift shaft through a connecting piece.
Optionally, the right end of the limiting sleeve body is provided with a limiting part.
The invention also proposes a gearbox comprising a shift shaft mechanism as described above.
The invention also provides a vehicle comprising a gearbox as described above.
According to the technical scheme, the first concave-convex annular structure is matched with the inclined boss, the second gear shifting shaft is pushed to move leftwards, the fixed rotating wheel is guided to rotate, the first gear shifting shaft moves rightwards, so that the inclined boss slides rightwards to enter the groove, and replacement of two states of entering the stopping groove and entering the avoiding groove is achieved; the right side wall of stopping recess is in keep away the left side of the right side wall in groove, perhaps, the right side wall in groove runs through the setting, makes second selector shaft has the displacement difference under two states, has realized advancing to keep off and has moved back two states, because the stopping recess with it is spacing to dodge the groove the oblique boss makes selector shaft mechanism has reliable spacing after getting into the gear, can not move back because of the locking power is not enough.
Drawings
In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the embodiments or technical solutions of 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 the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of a shift shaft mechanism of the present invention;
fig. 2 is a schematic structural view of the shift shaft mechanism in fig. 1;
fig. 3 is a partially enlarged view of a portion a in fig. 1.
The reference numbers illustrate:
| reference numerals | Name(s) | Reference numerals | Name(s) |
| 100 | |
212 | |
| 1 | |
212a | Second |
| 11 | Retaining |
3 | Second |
| 12 | Dodging |
31 | Fixed rotating |
| 13 | |
32 | |
| 131 | First |
321 | |
| 14 | |
33 | |
| 2 | |
4 | Shifting |
| 21 | First concavo- |
5 | |
| 211 | Annular guide bulge |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
It should be noted that all directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions relating to "first", "second", etc. in the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
In view of this, the present invention provides a shift shaft mechanism, and fig. 1 to 3 are an embodiment of the shift shaft mechanism provided by the present invention, which solves the problem of synchronizer gear-out during driving of an automobile, and has reliable limit after entering a gear, and will not shift back due to insufficient locking force, and the shift shaft mechanism will be described below with reference to the specific drawings.
Referring to fig. 1 to 3, the shift shaft mechanism 100 includes a limiting sleeve body 1, a first shift shaft 2 and a second shift shaft 3, the limiting sleeve body 1 extends along the left-right direction and is used for fixed installation, a plurality of grooves are defined on the inner wall surface of the limiting sleeve body 1, the left side walls of the plurality of grooves are all arranged in a penetrating manner, the plurality of grooves include a stopping groove 11 and an avoiding groove 12, the right side wall of the stopping groove 11 is positioned on the left side of the right side wall of the avoiding groove 12, or the right side wall of the avoiding groove 12 is arranged in a penetrating manner; the first gear shifting shaft 2 is movably mounted in the left-right direction, a first concave-convex annular structure 21 is distributed on the periphery of the left end of the first gear shifting shaft 2, and the first concave-convex annular structure 21 can extend into the limiting sleeve body 1; the second gear shifting shaft 3 is movably installed along the left-right direction, a fixed rotating wheel 31 is arranged at the right end of the second gear shifting shaft 3, an inclined boss 32 matched with the first concave-convex annular structure 21 is arranged on the periphery of the right end of the fixed rotating wheel 31, and the fixed rotating wheel 31 can extend into the limiting sleeve body 1; the first gear shifting shaft 2 moves to the left to enable the first concave-convex annular structure 21 to be matched with the inclined boss 32 and push the second gear shifting shaft 3 to move to the left and guide the fixed rotating wheel 31 to rotate so that the inclined boss 32 is arranged corresponding to the retaining groove 11, the first gear shifting shaft 2 moves to the right, and the inclined boss 32 slides into the retaining groove 11 and abuts against the right side wall of the retaining groove 11 to prevent the retaining; the first gear shifting shaft 2 moves left again, so that the first concave-convex annular structure 21 is matched with the oblique boss 32 and guides the fixed rotating wheel 31 to rotate again, so that the oblique boss 32 corresponds to the avoidance groove 12, the first gear shifting shaft 2 moves right again, and the oblique boss 32 slides to enter the avoidance groove 12 to return.
According to the technical scheme, the first concave-convex annular structure 21 is matched with the inclined boss 32, the second gear shifting shaft 3 is pushed to move leftwards, the fixed rotating wheel 31 is guided to rotate, the first gear shifting shaft 2 moves rightwards, so that the inclined boss 32 slides rightwards to enter the groove, and replacement in two states of entering the stopping groove 11 and entering the avoiding groove 12 is achieved; the right side wall of stopping recess 11 is in keep away the left side of the right side wall of groove 12, perhaps, the right side wall of keeping away groove 12 runs through the setting, makes second selector shaft 3 has the displacement difference under two states, has realized advancing to keep off and has kept off two states, because stopping recess 11 with it is spacing to keep away groove 12 oblique shape boss 32 makes selector shaft mechanism 100 has reliable spacing after getting into the gear, can not keep off because of the locking power is not enough.
Illustratively, the oblique projection 32 is partially located in the groove, and another portion abuts against the first concavo-convex annular structure 21, so that the oblique projection 32 is disposed to protrude from the groove.
In order to guide the fixed runner 31 to rotate, a spacing rib 13 is defined between the stopping groove 11 and the avoiding groove 12, a first inclined guiding inclined surface 131 is formed at the left end of the spacing rib 13, and the first inclined guiding inclined surface 131 is arranged in parallel with the inclined surface 321 of the inclined boss 32 to guide the fixed runner 31 to rotate so that the inclined boss 32 gradually slides into the stopping groove 11 or the avoiding groove 12;
similarly, the first concavo-convex annular structure 21 includes an annular guide protrusion 211, a plurality of spaced guide grooves 212 are formed on the annular guide protrusion 211, and an inner side wall of each guide groove 212 is provided as a second inclined guide inclined surface 212a; oblique boss 32 is located when dodging groove 12, first selector shaft 2 moves to the left, so that first unsmooth loop configuration 21 with oblique boss 32 cooperation, and promote second selector shaft 3 moves left, oblique boss 32 roll-off dodge groove 12, and by the direction of second slope direction inclined plane 212a fixed wheel 31 is rotatory, drives oblique boss 32 corresponds stopping recess 11.
It should be noted that the arrangement of the spacer ribs 13 and the annular guide projection 211 may alternatively or simultaneously be present, and obviously, the simultaneous presence brings the best technical effect.
In order to realize the fixed wheel 31 corotation to have the alternating state of advancing and retreating the shelves, stopping recess 11 sets up a plurality ofly, it sets up a plurality ofly to dodge groove 12, it is a plurality of stopping recess 11 and a plurality of dodge groove 12 and follow the crisscross setting of the circumference interval of stop collar body 1, it is a plurality of stopping recess 11 and a plurality of dodge the concrete quantity in groove 12 and not limit. Obviously, the displacement difference of the limit of the inclined boss 32 caused by the right side walls of the retaining grooves 11 and the avoiding grooves 12 needs to be adapted to the gear shifting requirement.
In order to strengthen the strength and the limiting reliability of the oblique boss 32 and the limiting sleeve body 1, the oblique boss 32 is provided with a plurality of grooves, the fixed rotating wheel 31 is circumferentially arranged at intervals, the oblique boss 32 is connected with the grooves in a clamped mode to strengthen the bonding strength and prevent the oblique boss 32 from being separated easily, and the number of the oblique bosses 32 is not limited.
In order to move the second shift shaft 3 to the right, a spring member 33 abuts on the left end of the second shift shaft 3 to reset the second shift shaft 3 to move to the right, the first shift shaft 2 moves to the left to push the second shift shaft 3 to move to the left, and the spring member 33 is compressed; the first gear shifting shaft 2 moves rightwards, the second gear shifting shaft 3 is driven by the restoring force of the spring piece 33 to move rightwards, the first gear shifting shaft 2 automatically moves rightwards to shift in and shift out, and the gear shifting device is convenient to operate and simple in structure.
Referring to fig. 2, the shift shaft mechanism 100 further includes a shift fork 4 connected to the left end of the second shift shaft 3 through a connecting member. And when the second gear shifting shaft 3 moves leftwards, the gear shifting fork 4 is driven to move leftwards so as to push the synchronizer to be combined with the gear combination teeth. In this embodiment, the connecting member is a pin, which enhances the connecting strength.
With reference to fig. 2, the shift shaft mechanism 100 further includes a shift knob 5 connected to the right end of the first shift shaft 2 through the connecting member, and configured to mount a shift rocker to drive the first shift shaft 2 to move left and right.
In order to ensure that the first gear shifting shaft 2 does not depart from the limiting sleeve body 1 when moving in the left-right direction, a limiting part 14 is arranged at the right end of the limiting sleeve body 1 to limit the first concave-convex annular structure 21 to keep extending into the limiting sleeve body 1. The limiting part 14 is not limited, in this embodiment, the limiting part 14 includes a limiting protrusion disposed on an inner wall surface of the limiting sleeve body 1 and disposed near a right end, and further, the limiting protrusion is not limited, in one embodiment, the limiting protrusion may be disposed in a plurality of circumferential directions of the limiting sleeve body 1, and in another embodiment, the limiting protrusion may be disposed in a circumferential direction of the limiting sleeve body 1.
The invention also provides a gearbox, which comprises the gear shifting shaft mechanism 100, the specific structure of the gear shifting shaft mechanism 100 refers to the above embodiments, and the gearbox adopts all the technical solutions of all the above embodiments, so that at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved. The description is omitted.
It should be noted that, in the present invention, the specific structure of the transmission is not limited.
The invention further provides an automobile which comprises the gearbox, the gearbox comprises the gear shifting shaft mechanism 100, the specific structure of the gear shifting shaft mechanism 100 refers to the above embodiments, and the automobile adopts all the technical schemes of all the above embodiments, so that at least all the beneficial effects brought by the technical schemes of the above embodiments are achieved. And will not be described in detail herein.
In the present invention, the specific structure of the vehicle is not limited.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A shift shaft mechanism, comprising:
the limiting sleeve body extends along the left and right direction and is used for fixed installation, a plurality of grooves are defined on the inner wall surface of the limiting sleeve body, the left side walls of the grooves are arranged in a penetrating manner, the grooves comprise stopping grooves and avoiding grooves, and the right side wall of each stopping groove is positioned on the left side of the right side wall of each avoiding groove or is arranged in a penetrating manner;
the first gear shifting shaft is movably arranged along the left-right direction, a first concave-convex annular structure is distributed on the periphery of the left end of the first gear shifting shaft, and the first concave-convex annular structure can extend into the limiting sleeve body; and (c) a second step of,
the second gear shifting shaft is movably arranged along the left-right direction, a fixed rotating wheel is arranged at the right end of the second gear shifting shaft, an inclined boss matched with the first concave-convex annular structure is arranged on the periphery of the right end of the fixed rotating wheel, and the fixed rotating wheel can extend into the limiting sleeve body;
the first gear shifting shaft moves leftwards, so that the first concave-convex annular structure is matched with the inclined boss, the second gear shifting shaft is pushed to move leftwards, the fixed rotating wheel is guided to rotate, the inclined boss is arranged corresponding to the retaining groove, the first gear shifting shaft moves rightwards, and the inclined boss slides into the retaining groove and abuts against the right side wall of the retaining groove to prevent the retaining;
the first gear shifting shaft moves left again, so that the first concave-convex annular structure is matched with the oblique boss and guides the fixed rotating wheel to rotate again, so that the oblique boss corresponds to the avoiding groove, the first gear shifting shaft moves right again, and the oblique boss slides into the avoiding groove to return.
2. A shift shaft mechanism as set forth in claim 1 wherein a spacing rib is defined between said backstop groove and said avoidance groove, a left end portion of said spacing rib forming a first inclined guide slope disposed in parallel with an inclined slope of said inclined boss for guiding rotation of said fixed pulley; and/or the presence of a gas in the gas,
first unsmooth annular structure includes that the annular direction is protruding, be equipped with a plurality of spaced direction recesses on the annular direction arch, each the inside wall of direction recess sets up to second slope direction inclined plane, second slope direction inclined plane is used for the direction decide the runner rotation.
3. A shift shaft mechanism as set forth in claim 1 wherein said backstop groove is provided in plurality, said avoidance groove is provided in plurality, and said backstop groove and said avoidance groove are provided in plurality in staggered arrangement along the circumferential direction of said stop sleeve body.
4. A shift shaft mechanism as set forth in claim 1 wherein said inclined bosses are provided in plurality and spaced circumferentially of said fixed pulley.
5. A shift shaft mechanism as set forth in claim 1 wherein a spring member abuts a left end of said second shift shaft to reset said second shift shaft to move to the right.
6. A shift shaft mechanism as set forth in claim 1 further comprising a shift fork connected by a link to a left end of said second shift shaft.
7. A shift axle mechanism as set forth in claim 1 further comprising a shift finger connected to a right end of said first shift axle by a connector.
8. A shift shaft mechanism as set forth in claim 1 wherein said stop sleeve has a stop at the right end thereof.
9. A gearbox comprising a shift shaft mechanism as claimed in any one of claims 1 to 8.
10. A motor vehicle comprising a gearbox according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210874485.1A CN115306889B (en) | 2022-07-22 | 2022-07-22 | Gear shifting shaft mechanism, gearbox and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210874485.1A CN115306889B (en) | 2022-07-22 | 2022-07-22 | Gear shifting shaft mechanism, gearbox and automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115306889A true CN115306889A (en) | 2022-11-08 |
| CN115306889B CN115306889B (en) | 2023-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210874485.1A Active CN115306889B (en) | 2022-07-22 | 2022-07-22 | Gear shifting shaft mechanism, gearbox and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115306889B (en) |
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|---|---|---|---|---|
| EP0864783A2 (en) * | 1997-03-11 | 1998-09-16 | Steyr-Daimler-Puch Aktiengesellschaft | Gearbox with mobile shift forks on a common shaft |
| FR2805020A1 (en) * | 2000-02-11 | 2001-08-17 | Peugeot Citroen Automobiles Sa | Vehicle gearbox comprises locking finger which prevents engagement of non-selected forks, locking key can tip between two stops so rear gear fork activation causes limited displacement of other forks |
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| FR2805020A1 (en) * | 2000-02-11 | 2001-08-17 | Peugeot Citroen Automobiles Sa | Vehicle gearbox comprises locking finger which prevents engagement of non-selected forks, locking key can tip between two stops so rear gear fork activation causes limited displacement of other forks |
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| Publication number | Publication date |
|---|---|
| CN115306889B (en) | 2023-06-09 |
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