CN102853068B - Anti-misoperation device for reverse gear of automotive transmission - Google Patents
Anti-misoperation device for reverse gear of automotive transmission Download PDFInfo
- Publication number
- CN102853068B CN102853068B CN201110181939.9A CN201110181939A CN102853068B CN 102853068 B CN102853068 B CN 102853068B CN 201110181939 A CN201110181939 A CN 201110181939A CN 102853068 B CN102853068 B CN 102853068B
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- Prior art keywords
- shifting block
- gear
- shifting
- fixed plate
- gears
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Abstract
The present invention relates to a kind of car speed change gear control mechanism, particularly relate to a kind of anti-misoperation device for reverse gear of automotive transmission.This device is equipped with the shifting shaft (2) with shifting block (1) of shifting gears, this device comprise be connected with case of transmission fixed plate (3), locate the mistake proofing limit stoper be arranged on fixed plate (3), described gearshift shifting block (1) is stretched out by the through hole (4) on fixed plate (3), and in five gear and reverse gear choosing hang time and the mating reaction of mistake proofing limit stoper, described mistake proofing limit stoper shift gears shifting block (1) by five gear enter reverse gear time, by being supplied to coordinating of fixed plate (3) restraint that shifting block (1) of shifting gears limits as above action.Its structure is simple, using effect better, can effectively avoid directly being linked into the misoperation of reversing gear by five gears, and matching requirements are low, avoid the failure risk that wearing and tearing produce simultaneously.
Description
Technical field
The present invention relates to a kind of car speed change gear control mechanism, particularly relate to a kind of anti-misoperation device for reverse gear of automotive transmission.
Background technique
For automotive transmission, reverse gear latching mechanism is an important safeguarding mechanism, in vehicle traveling process, when occurring that five gears enter the misoperation of reversing gear, transmission gear case will occur to impact greatly, cause the damage of speed changer component, thus cause power interruption, affect the Security of driving, the lock that reverses gear should be set for this reason, the effect of locking of reversing gear is to prevent this misoperation, provides the latch functions of reversing gear during automobile front driving.Current domestic transverse type manual speed variator many employings shifting block, the insurance institution of reversing gear of catch or lock shaft formula of reversing gear, as Chinese invention patent CN101251186B discloses a kind of transmission reverse gear latching mechanism, block selecting axle arranges the safety block that reverses gear, the safety block that reverses gear has V-type groove, reverse gear on safety block and a torsion spring is set, the safety block that reverses gear can get back to initial position under the effect of torsion spring, case of transmission is fixed a baffle plate, block selecting axle is when being reversed gear by five gear extensions, the safety block that reverses gear is in initial position, block be limited in reversing gear safety block V-type groove in and do not hang and reverse gear, block selecting axle is fixed one to reverse gear Insurance Block, Insurance Block is fixed a pin, pin interference fit is reversed gear safety block, torsion spring is put outside pin, reverse gear on Insurance Block and a resilient key is set, limit the rotation of safety block at circumferencial direction of reversing gear, this structure comparison is reliably compact, but component are many and complicated, matching requirements are higher, Long-Time Service easily occurs reversing gear the phenomenon that insurance institution lost efficacy, cause driving dangerous.
Summary of the invention
For solving the deficiencies in the prior art, the invention provides that a kind of structure is simple, the good anti-misoperation device for reverse gear of automotive transmission of using effect, can effectively avoid directly being linked into the misoperation of reversing gear by five gears, its matching requirements are low, avoid the failure risk that wearing and tearing produce simultaneously.
For achieving the above object, anti-misoperation device for reverse gear of automotive transmission of the present invention, be equipped with the shifting shaft with shifting block of shifting gears, this device comprise be connected with case of transmission fixed plate, locate the mistake proofing limit stoper be arranged on fixed plate, described gearshift shifting block is stretched out by the through hole on fixed plate, and in five gear and reverse gear choosing hang time and the mating reaction of mistake proofing limit stoper, described mistake proofing limit stoper shift gears shifting block by five gear enter reverse gear time, by being supplied to coordinating of fixed plate the restraint that shifting block one of shifting gears limits as above action.
As the restriction of aforesaid way, described mistake proofing limit stoper comprises the anchor post be connected with fixed plate, rotatingly be sleeved on the automatic shifting block on anchor post and be set with anchor post the torsion spring be connected, described automatic shifting block can get back to initial position under the effect of torsion spring, and automatically shifting block by limiting shifting block of shifting gears and to keep off by five with coordinating of fixed plate and enter position of reversing gear.
As the further restriction to aforesaid way, described automatic shifting block is by contacting the shifting block of cooperation with gearshift shifting block and limited part forms, described fixed plate is provided with projection, this projection with limited part in conjunction with time limit shifting block and rotate towards a direction of reversing gear, two torque arm of described torsion spring are combined connected with limited part.
As the further restriction to aforesaid way, described shifting block has a radian curved surface and a straight line plane, shifting shaft drive gearshift shifting block by neutral enter reverse gear time, described radian curved surface do not limit gearshift shifting block motion reverse gear to guarantee to be linked into; Shifting shaft drives gearshift shifting block to have when entering the action of reversing gear by five gears, and described straight line curved surface is conflicted with gearshift shifting block and limited this action.
Adopt technique scheme, its effect is as follows:
1, this device is made up of fixed plate, the location mistake proofing limit stoper be arranged on fixed plate, and mistake proofing limit stoper comprises anchor post, torsion spring, automatically shifting block three part composition, its structure is simple, matching requirements are low, only need torsion spring suit be fixed on anchor post, make that automatic shifting block is rotating to be sleeved on anchor post.
2, whole device due to one be fixedly installed on case of transmission, positioning precision is high, and has saved applicable arrangement space on shifting shaft, and integrity is designed with larger raising than split.
3, shifting block is by having a radian curved surface and a straight line plane; when processing radian curved surface; only need guarantee shifting shaft drive gearshift shifting block by neutral enter reverse gear time; do not limit this action, its processing request is low, and straight line plane keeps off by five the action entering and reverse gear by limiting with the conflict of gearshift shifting block; only need guarantee that as above function can form a shifting block structure; the required precision of its shape is low, manufactures easy processing, can be effectively cost-saving.
4, shifting block has structure as above, and straight line curved surface is when bearing the gear shifting force of gearshift shifting block, the more existing result of intensity of its entirety is high, the body of its bearing strength is by having the entirety of straight line curved surface and radian curved surface profile to carry this gear shifting force, the surface of direction this profile parallel of gear shifting force, bulk strength is high, not easy to wear, avoid the problems such as the inefficacy brought owing to wearing and tearing, its long service life.
Accompanying drawing explanation
Do further to describe in detail to the utility model below in conjunction with the drawings and the specific embodiments:
Fig. 1 is the overall structure schematic diagram under the utility model and shifting shaft bonding state;
Fig. 2 is the Split type structure schematic diagram of Fig. 1.
In figure:
1, gearshift shifting block; 2, shifting shaft; 3, fixed plate; 4, through hole; 5, anchor post; 6, automatic shifting block; 7, torsion spring; 8, shifting block; 9, limited part; 10, protruding; 11, radian curved surface; 12, straight line plane; 13, mounting hole; 14, sliding surface; 15, hole is set with; 16, connecting rod; 17, end cap; 18, crook.
Embodiment
Anti-misoperation device for reverse gear of automotive transmission of the present invention, be equipped with the shifting shaft 2 with shifting block 1 of shifting gears, it is in mentality of designing, is to be fixed on case of transmission by whole device, occurs to avoid the failure phenomenon arranging structural complexity and the service wear brought on shifting shaft.In concrete structure design philosophy, this device comprise be connected with case of transmission fixed plate 3, locate the mistake proofing limit stoper be arranged on fixed plate 3, gearshift shifting block 1 is stretched out by the through hole 4 on fixed plate 3, and in five gear and reverse gear choosing hang time and the mating reaction of mistake proofing limit stoper, described mistake proofing limit stoper shift gears shifting block 1 by five gear enter reverse gear time, by being supplied to coordinating of fixed plate 3 restraint that shifting block 1 one of shifting gears limits as above action.
Concrete structure design in, as can be seen from shown in Fig. 1, Fig. 2 based on the wherein a kind of mode of execution under above-mentioned design philosophy:
Fixed plate 3 is fixedly connected with case of transmission (not shown), fixed plate 3 is provided with a through hole 4, through hole 4 shown in figure is a square structure, its length on axis is not less than the whole stroke that shifting shaft 2 when gear is arranged drives gearshift shifting block 1 to move vertically, to guarantee that gearshift shifting block 1 leans out by this through hole 4 when all gears are chosen; The middle part of fixed plate 3 is provided with a mounting hole 13, fixes a projection 10 on the left of its right-hand member, and the right side fixed plate 3 of protruding 10 is a sliding surface 14 with radian.
Fixed plate 3 is fixed with mistake proofing limit stoper, this mistake proofing limit stoper anchor post 5, automatically shifting block 6 and torsion spring 7.
The top of anchor post 5 is with an end cap 17, and the bottom of end cap 17 is fixedly connected with connecting rod 16, and the bar footpath of connecting rod 16 is less than the end face diameter of end cap 17, and anchor post 5 is fixedly inserted in the mounting hole of fixed plate 3 by this connecting rod 16.
Automatic shifting block 6 is by contacting the shifting block 8 of cooperation with gearshift shifting block 1 and limited part 9 forms, the two can be integrated formed structure, shifting block 8 is provided with a suit hole 15, the aperture in this suit hole 15 is slightly larger than the bar footpath of connecting rod 16, automatic shifting block 6 by suit hole 15 loosely be sleeved on connecting rod 16, now, end cap 17 plays position-limiting action to automatic shifting block 6, namely limits the scope of automatic shifting block in the movement of connecting rod 16 axial direction.The left side of shifting block 8 has a straight line plane 12, and be an arc-shaped transitional surface by the end face on the right side of this straight line plane 12 to shifting block 8, this transitional surface is radian curved surface 11, whole shifting block 8 is with under anchor post 5 installment state, the end of shifting block 8 stretches to a part above through hole 4, the length of this part we can define by the length of straight line plane 12, because under assembling condition as shown in Figure 1, automatic shifting block 6 is subject to torsion spring 7(and describes as follows) effect can get back to initial position, and during this initial position, the straight line gabarit part of straight line plane 12 is the axis being parallel with shifting shaft 2.The end length stretched into above through hole 4 of shifting block 8 follows following design principle: one is to guarantee that gearshift shifting block 1 is not had an effect at other gears kept off except five and reverse gear and shifting block 8; Two is to guarantee that gearshift shifting block 1 contacts with radian curved surface 11 being linked in five gear processes, and when being linked into five gears completely, gearshift shifting block 1 disengages completely with radian curved surface 11; Three be to guarantee by neutral be directly linked into reverse gear time, gearshift shifting block 1 radian curved surface 11 contacts, and shifting shaft 1 axial motion to five gear and reverse gear neutral position time, a pressure is applied to radian curved surface 11, and radian curved surface is under this pressure effect, do not produce the rigid resistivity to this pressure, but make whole automatic shifting block 6 with connecting rod 16 for axle carries out rotating clockwise several angle.
The entirety of limited part 9 is a rod-like structure, and its afterbody is provided with a crook 18, and this crook 18 hooks and wraps on the sliding surface 14 of fixed plate 3, and when automatic shifting block 6 rotates clockwise, this crook 18 can be moved along sliding surface 14 is unobstructed; And when automatic shifting block 6 rotates counterclockwise, this crook 18 overhead, on limited part 9, because the relative case of transmission of limited part 9 maintains static, and then makes automatic shifting block 6 to move.
Connecting rod 16 below automatic shifting block 6 is fixed suit torsion spring 7, the two-arm of torsion spring 7 is hooked on the rod-like structure both sides of limited part 9, and at automatic shifting block 6 by when dialling powered rotation (as rotating clockwise), this torsion spring 7 can renew this rotation.
In use, except five gears with except reversing gear and choosing, the device that the present invention relates to does not play any effect, now only to choose with regard to five gears, each component actuation situation chosen and chosen by five gear to the misoperations of reversing gear of reversing gear is described below:
As centered by shifting shaft axis, be five gear gears on the left of it, right side is the gear that reverses gear, when five gears are chosen, between shifting shaft 2 drives gearshift shifting block 1 axial-movement to five to keep off and reverses gear, now, gearshift shifting block 1 pair of radian curved surface 11 applies an axial force, automatic shifting block 6 under that force with connecting rod 16 for axle carries out several angle rotation, in this rotary course, what crook 18 was not stopped along sliding surface 14 surface slips over several angle, now, rotate shifting shaft 2, shifting shaft 2 is made to drive gearshift shifting block 1 to turn left, this rotation can be stirred automatic shifting block 6 further and be turned clockwise an angle until gearshift shifting block 1 departs from radian curved surface 11, after disengaging, gearshift shifting block 1 enters five gear gears, and shifting block 6 resets under the effect of torsion spring 7 automatically.
When being reversed gear by five gear misoperations extensions, shifting shaft 2 turns right, the trend that drive gearshift shifting block 1 shifts out five gear gears and has to gear movement of reversing gear, now, gearshift shifting block 1 contacted with the straight line plane 12 of automatic shifting block 6 before entering the gear that reverses gear, and then promote automatic shifting block 6 and rotate counterclockwise, before gearshift shifting block 1 enters the gear that reverses gear, crook 18 turns to and contacts with protruding 10, be subject to the restraint of protruding 10, automatic shifting block 6 cannot be rotated further, now, gearshift shifting block 1 still contacts with straight line plane 12, this contact prevents gearshift shifting block 1 from entering and reverse gear, and neutral or other gears can only be entered.
When choosing of reversing gear is hung, gearshift shifting block 1 is placed in five gears and reverses gear between gear under the drive of shifting shaft 2, now, gearshift shifting block 1 pair of arc-shaped curved surface 11 applies an axial force, this axial force makes automatic shifting block 6 turn clockwise the angle of movement, this rotation does not enter to gearshift shifting block 1 gear that reverses gear and produces any stop, therefore, can be linked into smoothly and reverse gear.The situation of plucking gear of reversing gear and above-mentioned principle similar, do not repeat them here.
Claims (1)
1. an anti-misoperation device for reverse gear of automotive transmission, be equipped with the shifting shaft (2) with shifting block (1) of shifting gears, this device comprises the fixed plate (3) be connected with case of transmission, locate the mistake proofing limit stoper be arranged on fixed plate (3), described gearshift shifting block (1) is stretched out by the through hole (4) on fixed plate (3), and in five gear and reverse gear choosing hang time and the mating reaction of mistake proofing limit stoper, described mistake proofing limit stoper shift gears shifting block (1) by five gear enter reverse gear time, by being supplied to coordinating of fixed plate (3) restraint that shifting block (1) of shifting gears limits as above action, it is characterized in that: described mistake proofing limit stoper comprises the anchor post (5) be connected with fixed plate (3), the rotating anchor post (5) that is sleeved on is gone up automatic shifting block (6) and is set with anchor post (5) torsion spring (7) be connected, described automatic shifting block (6) can get back to initial position under the effect of torsion spring (7), and automatically shifting block (6) by limiting shifting block (1) of shifting gears and to keep off by five with coordinating of fixed plate (3) and enter position of reversing gear, described automatic shifting block (6) is by contacting the shifting block (8) of cooperation with gearshift shifting block (1) and limited part (9) forms, described fixed plate (3) is provided with projection (10), this projection (10) with limited part (9) in conjunction with time limit shifting block (8) and rotate towards a direction of reversing gear, two torque arm of described torsion spring (7) combine with limited part (9) and are connected, described shifting block (8) have a radian curved surface (11) and a straight line plane (12), shifting shaft (2) drive gearshift shifting block (1) by neutral enter reverse gear time, the motion that described radian curved surface (11) does not limit gearshift shifting block (1) is reversed gear to guarantee to be linked into, shifting shaft (2) drives gearshift shifting block (1) to have when entering by five gears the gear shifting action reversed gear, and described straight line plane (12) is conflicted with gearshift shifting block (1) and limited this action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110181939.9A CN102853068B (en) | 2011-06-30 | 2011-06-30 | Anti-misoperation device for reverse gear of automotive transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110181939.9A CN102853068B (en) | 2011-06-30 | 2011-06-30 | Anti-misoperation device for reverse gear of automotive transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102853068A CN102853068A (en) | 2013-01-02 |
| CN102853068B true CN102853068B (en) | 2016-02-10 |
Family
ID=47399917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110181939.9A Expired - Fee Related CN102853068B (en) | 2011-06-30 | 2011-06-30 | Anti-misoperation device for reverse gear of automotive transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102853068B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4633728A (en) * | 1985-09-05 | 1987-01-06 | Ford Motor Company | Gear selector control for manual transmission |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005090621A (en) * | 2003-09-17 | 2005-04-07 | Suzuki Motor Corp | Reverse mal-shift prevention device of manual transmission |
| CN101251186B (en) * | 2008-04-01 | 2011-04-27 | 上海汽车集团股份有限公司 | Transmission reverse gear latching mechanism |
| CN101413583B (en) * | 2008-12-05 | 2012-11-21 | 上海汽车变速器有限公司 | Transverse type manual speed variator reverse gear safe device |
| FR2947885B1 (en) * | 2009-07-08 | 2011-11-04 | Peugeot Citroen Automobiles Sa | CONTROL SYSTEM FOR A GEARBOX |
| CN201753759U (en) * | 2010-06-24 | 2011-03-02 | 上海汽车变速器有限公司 | Five-reverse-gear interlocking mechanism for speed changer |
| CN101871531B (en) * | 2010-06-24 | 2012-10-17 | 上海汽车变速器有限公司 | Speed changer having five reverse-gear mutual interlocking gear |
-
2011
- 2011-06-30 CN CN201110181939.9A patent/CN102853068B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4633728A (en) * | 1985-09-05 | 1987-01-06 | Ford Motor Company | Gear selector control for manual transmission |
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| CN102853068A (en) | 2013-01-02 |
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Granted publication date: 20160210 Termination date: 20200630 |
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| CF01 | Termination of patent right due to non-payment of annual fee |