CN105782432A - Gear shifting device of manual transmission - Google Patents
Gear shifting device of manual transmission Download PDFInfo
- Publication number
- CN105782432A CN105782432A CN201610375560.4A CN201610375560A CN105782432A CN 105782432 A CN105782432 A CN 105782432A CN 201610375560 A CN201610375560 A CN 201610375560A CN 105782432 A CN105782432 A CN 105782432A
- Authority
- CN
- China
- Prior art keywords
- gear shifting
- gearshift
- pulling head
- selector fork
- 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.)
- Pending
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Classifications
-
- 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
- F16H63/32—Gear shift yokes, e.g. shift forks
Abstract
The invention relates to a gear shifting device of a manual transmission.The gear shifting device comprises a gear shifting shaft, a gear shifting assembly and a gear shifting arm connected to the gear shifting shaft in a transmission mode.The gear shifting assembly comprises a gear shifting block and a gear shifting fork, wherein the bottom of the gear shifting block is fixed to the gear shifting shaft, the top of the gear shifting block protrudes out of the outer round face of the gear shifting shaft, and a groove corresponding to the gear shifting fork is further formed in the outer round face of the gear shifting shaft.The gear shifting fork is provided with two driven structures which can form a cam mechanism with the gear shifting block.The gear shifting fork is provided with two limiting parts used for being matched with the groove.The gear shifting block is matched with one driven structure when rotating clockwise to drive the gear shifting fork to horizontally move in one direction; the gear shifting block is matched with the other driven structure when rotating anticlockwise to drive the gear shifting fork to horizontally move in the other direction; when the gear shifting block rotates clockwise and anticlockwise, the two limiting parts are matched with the groove.The gear shifting device is simple in structure, small in occupied space and capable of lowering the difficulty of adjusting the gear arrangement of the manual transmission.
Description
Technical field
The present invention relates to manual transmission, be specifically related to the gearshift of a kind of manual transmission.
Background technology
Automotive engineering develops rapidly, and the gearshift in manual transmission also makes rapid progress.Existing gearshift is to stir selector fork by the gear shifting pulling head in case of shifting gears to realize gearshift, and has internal reversing-gear at some gears.
Existing gearshift there is problems in that 1, generally requires the layout demand arranging specific reversing-gear to meet gear inside variator, causes that the gearshift of variator has more complicated structure；2, when variator is designed or is optimized, it is likely to need the gear changing variator to arrange, such as the position phase interchangeable of three gears of variator, four two relative gears of gear, but the inner space of variator is compacter, can cause that other parts of gearshift and variator interfere when the gear changing variator is arranged.
Summary of the invention
The purpose of the present invention is to propose to the gearshift of a kind of manual transmission, the simple in construction of this gearshift, take up room little, and can reduce and adjust the difficulty that manual transmission gear is arranged.
The gearshift of a kind of manual transmission of the present invention, including shifting shaft, at least one gearshift assembly and gear arm of being in transmission connection on described shifting shaft, described gearshift assembly includes gear shifting pulling head and selector fork, the bottom of described gear shifting pulling head is fixed on described shifting shaft, the top of described gear shifting pulling head protrudes from the periphery of described shifting shaft, the periphery of described shifting shaft is additionally provided with and described selector fork groove one to one；
Having two on described selector fork all can with the driven structure of described gear shifting pulling head composition cam mechanism, two described driven structure are arranged on the track that described gear shifting pulling head rotates clockwise and rotates counterclockwise, and described gear shifting pulling head is between two described driven structure；Described selector fork is provided with two for the limiting section with described groove fit, and two described limiting sections are separately positioned on the track that described groove rotates clockwise and rotates counterclockwise, and described groove is between two described limiting sections；
Coordinate with a described driven structure when described gear shifting pulling head rotates clockwise and drive described selector fork to translate in one direction, be a gearshift gear；Coordinate with driven structure another described when described gear shifting pulling head rotates counterclockwise and drive described selector fork to translate to another way, for another gearshift gear；When described gear shifting pulling head rotates clockwise, described limiting section and described groove fit, to limit described selector fork in the displacement axially of described shifting shaft；When described gear shifting pulling head rotates counterclockwise, another described limiting section and described groove fit, to limit described selector fork in the displacement axially of described shifting shaft.
Further, two described driven structure mutual planes are symmetrical, and both symmetrical planes are perpendicular to the translation direction of described selector fork.
Further, two described limiting section mutual planes are symmetrical, and both symmetrical planes are perpendicular to the translation direction of described selector fork.
Further, described groove and gear shifting pulling head are oppositely arranged centered by the centrage of described shifting shaft.
Further, described groove runs through described shifting shaft along the direction of the centrage being perpendicular to described shifting shaft.
Further, described gear shifting pulling head is in bulk, and the corner at its top is all rounded down.
Further, including several described gearshift assemblies, the described gear shifting pulling head interval on several gearshift assemblies is fixed on described shifting shaft, and the sensing of adjacent two described gear shifting pulling heads is contrary.
Further, described selector fork is provided with a rectangular opening, described rectangular opening is equipped with V-shaped groove on the sidewall of two translation directions being perpendicular to described selector fork, described shifting shaft is through described rectangular opening between two described V-shaped grooves, and the diameter of described shifting shaft is more than distance between the sidewall of two translation directions being perpendicular to described selector fork on described rectangular opening；On described rectangular opening, the sidewall of two translation directions being perpendicular to described selector fork is all separated into first paragraph sidewall and second segment sidewall by described V-shaped groove, described first paragraph sidewall is described driven structure, and a sidewall of described V-shaped groove and described second segment sidewall are crossed to form described limiting section.
Further, there is circular arc chamfering the corner between described V-shaped groove and described first paragraph sidewall, described circular arc chamfering by the direction of the bottom at the top of described gear shifting pulling head to described gear shifting pulling head towards the bottom bend of described V-shaped groove.
Present configuration is simple, and take up room gearshift function that is little and that be capable of manual transmission；When the gearshift scheme of manual transmission is adjusted, to reverse with needing the sensing adjusting gear shifting pulling head corresponding to gear layout, and overturn selector fork accordingly, gear shifting pulling head after driven structure on selector fork and limiting section and reversion and groove are correspondingly arranged, selector fork need not be changed, the sensing of selector fork need not be adjusted, also without the reversing-gear arranging complexity, do not changing the exchange achieving relative gear on manual transmission under the premise of other parts, the shorter time is spent to can be realized as the exchange of relative gear on manual transmission with less processing, reduce and adjust the difficulty that manual transmission gear is arranged.
Accompanying drawing explanation
Fig. 1 is one of structural representation of the present invention；
Fig. 2 is the two of the structural representation of the present invention；
Fig. 3 is gear shifting pulling head and the structural representation of selector fork cooperation place；
Fig. 4 is the structural representation of selector fork.
In figure: 1 shifting shaft；2 gear arms；3 gear shifting pulling heads；4 selector forks；5 rectangular openings；6 V-shaped grooves；7 circular arc chamferings；8 grooves；9 limiting sections；10 first paragraph sidewalls；11 second segment sidewalls；12 solid arrows.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
The gearshift of a kind of manual transmission as depicted in figs. 1 and 2, including shifting shaft 1, at least one gearshift assembly and the gear arm 2 being in transmission connection on shifting shaft 1, gearshift assembly includes gear shifting pulling head 3 and selector fork 4, the bottom of gear shifting pulling head 3 is fixed on shifting shaft 1, the top of gear shifting pulling head 3 protrudes from the periphery of shifting shaft 1, the periphery of shifting shaft 1 is additionally provided with and selector fork 4 groove 8 one to one, concrete, groove 8 and gear shifting pulling head 3 are oppositely arranged centered by the centrage of shifting shaft 1, and groove 8 runs through shifting shaft 1 along the direction of the centrage being perpendicular to shifting shaft 1；
Selector fork 4 has two and all can form the driven structure of cam mechanism with gear shifting pulling head 3, two driven structure are arranged on the track that gear shifting pulling head 3 rotates clockwise and rotates counterclockwise, and gear shifting pulling head 3 is between two driven structure, preferred as one, two driven structure mutual planes are symmetrical, and both symmetrical planes are perpendicular to the translation direction of selector fork 4；Selector fork 4 is provided with two limiting sections 9 for coordinating with groove 8, two limiting sections 9 are separately positioned on the track that groove 8 rotates clockwise and rotates counterclockwise, groove 8 is between two limiting sections 9, preferred as one, two limiting section 9 mutual planes are symmetrical, and both symmetrical planes are perpendicular to the translation direction of selector fork 4；
Coordinate with a driven structure when gear shifting pulling head 3 rotates clockwise and drive selector fork 4 to translate in one direction, be a gearshift gear；Coordinate with another driven structure when gear shifting pulling head 3 rotates counterclockwise and drive selector fork 4 to translate to another way, for another gearshift gear；When gear shifting pulling head 3 rotates clockwise, a limiting section 9 coordinates with groove 8, to limit selector fork 4 in shifting shaft 1 displacement axially；When gear shifting pulling head 3 rotates counterclockwise, another limiting section 9 coordinates with groove 8, to limit selector fork 4 in shifting shaft 1 displacement axially；Groove 8 is set and is able to ensure that selector fork 4 will not move axially along shifting shaft 1, it is ensured that the accuracy of gearshift；Especially, by the distance between bottom surface and gear shifting pulling head 3 top of adjustment groove 8, and the corresponding position relationship adjusted between driven structure and limiting section 9, it is possible to limit, by groove 8, the maximum angle that gear shifting pulling head 3 rotates clockwise and rotates counterclockwise；Especially, when shifting shaft 1 is in initial position, groove 8 does not coordinate with limiting section 9, and only when shifting shaft 1 rotates, groove 8 can coordinate with limiting section 9, utilizes groove 8 to coordinate limiting section 9 spacing to carry out, has the little advantage that takes up room.
Preferred as one, gear shifting pulling head 3 is in bulk, and the corner at its top is all rounded down；When gear shifting pulling head 3 rotates, gear shifting pulling head 3 top contacts and pushes selector fork 4 and translates with driven structure, and the fillet at gear shifting pulling head 3 top is the fluency in order to promote gearshift.
Preferred as one, as shown in Figures 3 and 4, selector fork 4 is provided with a rectangular opening 5, rectangular opening 5 is equipped with on the sidewall of two translation directions being perpendicular to selector fork 4 V-shaped groove 6, shifting shaft 1 is through rectangular opening 5 between two V-shaped grooves 6, and the diameter of shifting shaft 1 is more than distance between the sidewall of two translation directions being perpendicular to selector fork 4 on rectangular opening 5；On rectangular opening 5, the sidewall of two translation directions being perpendicular to selector fork 4 is all separated into first paragraph sidewall 10 and second segment sidewall 11 by V-shaped groove 6, and first paragraph sidewall 10 is driven structure, and a sidewall of V-shaped groove 6 and second segment sidewall 11 are crossed to form limiting section 9.There is circular arc chamfering 7 corner between V-shaped groove 6 and first paragraph sidewall 10, and circular arc chamfering 7 is by the direction at the top of gear shifting pulling head 3 to the bottom of gear shifting pulling head 3 bottom bend towards V-shaped groove 6.Circular arc chamfering 7 can promote the fluency of gearshift.And by arranging V-shaped groove 6, make when the diameter of shifting shaft 1 is more than distance between the sidewall of two translation directions being perpendicular to selector fork 4 on rectangular opening 5, shifting shaft 1 can pass rectangular opening 5 smoothly, to realize coordinating between selector fork 4 with gear shifting pulling head 3, there is the little advantage that takes up room.
Preferred as one, the gearshift of manual transmission includes several gearshift assembly, and gear shifting pulling head 3 interval on several gearshift assemblies is fixed on shifting shaft 1, and the sensing of adjacent two gear shifting pulling heads 3 is contrary.Adopt this preferred version, it is only necessary to Rotation With Changing gear shaft 1 and each piece of selector fork 4 of upset can realize the exchange of two gears corresponding to each gearshift assembly when assembling, and the sensing of selector fork 4 in this process is constant.Should be noted that time, when the gearshift of manual transmission includes several gearshift assembly, in the gearshift of this manual transmission, the same time only has one group of gearshift assembly to be at mated condition, realizes each switching between assembly of shifting gears by moving axially of shifting shaft 1.
The present invention adjusts the principle of transmission gear layout:
Assume the structural representation of the gearshift that Fig. 1 is the manual transmission before adjusting, Fig. 2 is the structural representation of the gearshift of the manual transmission after adjusting, illustrate for the gearshift assembly near gear arm 2, in order to two driven structure are respectively designated as the first driven structure and the second driven structure by convenient description, two corresponding for this gearshift assembly gearshift gears are respectively designated as first gear and second gear, two translation directions of the selector fork 4 on this gearshift assembly are respectively designated as first direction and second direction, as shown in Figure 1, two solid arrows 12 are respectively used to represent two translation directions of selector fork 4, two solid arrows 12 are respectively directed to first direction and second direction.
Before adjustment: as described in Figure 1, rotating clockwise shifting shaft 1, gear shifting pulling head 3 rotates clockwise, and gear shifting pulling head 3 contacts with the first driven structure and promotes selector fork 4 to translate towards first direction, it is achieved be linked into first gear；Gear shifting pulling head 3 rotates counterclockwise, and gear shifting pulling head 3 contacts with the second driven structure and promotes selector fork 4 to translate towards second direction, it is achieved be linked into second gear.
nullAdjustment process is: the gearshift of the manual transmission shown in Fig. 1 is adjusted to the gearshift of the manual transmission shown in Fig. 2，Wherein turnback is turned in the sensing of gear shifting pulling head 3，Its installation site adjusts on position relative with original position to the centrage by shifting shaft 1，Centered by the centrage of selector fork 4 translation direction extension, selector fork 4 is overturn on selector fork 4，This process does not change the sensing of selector fork 4，The first driven structure on selector fork 4 after upset and the second driven structure layout corresponding to the gear shifting pulling head 3 after upset，This is owing to two driven structure are arranged on the track that gear shifting pulling head 3 rotates clockwise and rotates counterclockwise，And gear shifting pulling head 3 is between two driven structure，So upset after selector fork 4 on the first driven structure and the second driven structure still can with upset after gear shifting pulling head 3 corresponding.
After adjustment: as described in Figure 2, rotating clockwise shifting shaft 1, gear shifting pulling head 3 rotates clockwise, and gear shifting pulling head 3 contacts with the second driven structure and promotes selector fork 4 to translate towards second direction, it is achieved be linked into second gear；Gear shifting pulling head 3 rotates counterclockwise, and gear shifting pulling head 3 contacts with the first driven structure and promotes selector fork 4 to translate towards first direction, it is achieved be linked into first gear.
In above-mentioned adjustment process, the position also correspondence of groove 8 and two limiting sections 9 changes, groove 8 still can coordinate with two limiting sections 9 and limits selector fork 4 in shifting shaft 1 displacement axially after the adjustment, this is that groove 8 is between two limiting sections 9 owing to two limiting sections 9 are separately positioned on the track that groove 8 rotates clockwise and rotates counterclockwise.
By above-mentioned example, the present invention is capable of the random exchange of two relative gears, and selector fork 4 is also without again processing, adjust the sensing of gear shifting pulling head 3 on shifting shaft 1 as required and overturn corresponding selector fork 4, more need not change the design of other parts on manual transmission.The process of the new gearshift of design has only to make little change and can realize the exchange between each group of relative gear, very convenient fast save R&D costs, shorten the R&D cycle.
Claims (9)
1. the gearshift of a manual transmission, including shifting shaft (1), at least one gearshift assembly and gear arm (2) of being in transmission connection on described shifting shaft (1), it is characterized in that: described gearshift assembly includes gear shifting pulling head (3) and selector fork (4), the bottom of described gear shifting pulling head (3) is fixed on described shifting shaft (1), the top of described gear shifting pulling head (3) protrudes from the periphery of described shifting shaft (1), the periphery of described shifting shaft (1) is additionally provided with and described selector fork (4) groove one to one (8)；
Having two on described selector fork (4) all can with the driven structure of described gear shifting pulling head (3) composition cam mechanism, two described driven structure are arranged on the track that described gear shifting pulling head (3) rotates clockwise and rotates counterclockwise, and described gear shifting pulling head (3) is between two described driven structure；Described selector fork (4) is provided with two limiting sections (9) for coordinating with described groove (8), two described limiting sections (9) are separately positioned on the track that described groove (8) rotates clockwise and rotates counterclockwise, and described groove (8) is positioned between two described limiting sections (9)；
Coordinate with a described driven structure when described gear shifting pulling head (3) rotates clockwise and drive described selector fork (4) to translate in one direction, be a gearshift gear；Described gear shifting pulling head (3) coordinates with driven structure another described and drives described selector fork (4) to translate to another way when rotating counterclockwise, for another gearshift gear；When described gear shifting pulling head (3) rotates clockwise, a described limiting section (9) coordinates with described groove (8), to limit described selector fork (4) in described shifting shaft (1) displacement axially；When described gear shifting pulling head (3) rotates counterclockwise, another described limiting section (9) coordinates with described groove (8), to limit described selector fork (4) in described shifting shaft (1) displacement axially.
2. the gearshift of manual transmission according to claim 1, it is characterised in that: two described driven structure mutual planes are symmetrical, and both symmetrical planes are perpendicular to the translation direction of described selector fork (4).
3. the gearshift of manual transmission according to claim 1, it is characterised in that: two described limiting section (9) mutual planes are symmetrical, and both symmetrical planes are perpendicular to the translation direction of described selector fork (4).
4. the gearshift of manual transmission according to claim 1, it is characterised in that: described groove (8) and described gear shifting pulling head (3) are oppositely arranged centered by the centrage of described shifting shaft (1).
5. the gearshift of manual transmission according to claim 1, it is characterised in that: described groove (8) runs through described shifting shaft (1) along the direction of the centrage being perpendicular to described shifting shaft (1).
6. the gearshift of manual transmission according to claim 1, it is characterised in that: described gear shifting pulling head (3) is in bulk, and the corner at its top is all rounded down.
7. the gearshift of manual transmission according to claim 1, it is characterized in that: include several described gearshift assembly, described gear shifting pulling head (3) interval on several gearshift assemblies is fixed on described shifting shaft (1), and the sensing of adjacent two described gear shifting pulling heads (3) is contrary.
8. the gearshift of the manual transmission according to any one of claim 1-7, it is characterized in that: described selector fork (4) is provided with a rectangular opening (5), the sidewall of upper two translation directions being perpendicular to described selector fork (4) of described rectangular opening (5) is equipped with V-shaped groove (6), described shifting shaft (1) is the described rectangular opening of traverse (5) between two described V-shaped grooves (6), the distance between the sidewall of the diameter of described shifting shaft (1) two translation directions being perpendicular to described selector fork (4) upper more than described rectangular opening (5)；The sidewall of upper two translation directions being perpendicular to described selector fork (4) of described rectangular opening (5) is all separated into first paragraph sidewall (10) and second segment sidewall (11) by described V-shaped groove (6), described first paragraph sidewall (10) is described driven structure, and a sidewall of described V-shaped groove (6) and described second segment sidewall (11) are crossed to form described limiting section (9).
9. the gearshift of manual transmission according to claim 8, it is characterized in that: there is circular arc chamfering (7) corner between described V-shaped groove (6) and described first paragraph sidewall (10), described circular arc chamfering (7) by the direction of the bottom at the top of described gear shifting pulling head (3) to described gear shifting pulling head (3) towards the bottom bend of described V-shaped groove (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610375560.4A CN105782432A (en) | 2016-05-31 | 2016-05-31 | Gear shifting device of manual transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610375560.4A CN105782432A (en) | 2016-05-31 | 2016-05-31 | Gear shifting device of manual transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105782432A true CN105782432A (en) | 2016-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610375560.4A Pending CN105782432A (en) | 2016-05-31 | 2016-05-31 | Gear shifting device of manual transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105782432A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843781A (en) * | 2018-07-10 | 2018-11-20 | 重庆青山工业有限责任公司 | A kind of manual car shifter of transmission |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1711436A (en) * | 2002-11-16 | 2005-12-21 | Zf腓德烈斯哈芬股份公司 | Shifting device for a transmission |
| US20060005648A1 (en) * | 2004-07-08 | 2006-01-12 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Transmission device for a motor vehicle |
| CN102954209A (en) * | 2012-04-27 | 2013-03-06 | 浙江吉利汽车研究院有限公司杭州分公司 | Automobile transmission gear interlocking device |
| CN202867812U (en) * | 2012-10-16 | 2013-04-10 | 浙江吉利汽车研究院有限公司杭州分公司 | Shifting fork components of shifter |
-
2016
- 2016-05-31 CN CN201610375560.4A patent/CN105782432A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1711436A (en) * | 2002-11-16 | 2005-12-21 | Zf腓德烈斯哈芬股份公司 | Shifting device for a transmission |
| US20060005648A1 (en) * | 2004-07-08 | 2006-01-12 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Transmission device for a motor vehicle |
| CN102954209A (en) * | 2012-04-27 | 2013-03-06 | 浙江吉利汽车研究院有限公司杭州分公司 | Automobile transmission gear interlocking device |
| CN202867812U (en) * | 2012-10-16 | 2013-04-10 | 浙江吉利汽车研究院有限公司杭州分公司 | Shifting fork components of shifter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843781A (en) * | 2018-07-10 | 2018-11-20 | 重庆青山工业有限责任公司 | A kind of manual car shifter of transmission |
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| PB01 | Publication | ||
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Application publication date: 20160720 |