CN1412028A - Locking device of five/reverse gear gear-selecting and gear-shifting mechanism for automobile speed changer - Google Patents
Locking device of five/reverse gear gear-selecting and gear-shifting mechanism for automobile speed changer Download PDFInfo
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- CN1412028A CN1412028A CN 02150794 CN02150794A CN1412028A CN 1412028 A CN1412028 A CN 1412028A CN 02150794 CN02150794 CN 02150794 CN 02150794 A CN02150794 A CN 02150794A CN 1412028 A CN1412028 A CN 1412028A
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- locking plate
- reverse gear
- reverse
- torsion spring
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Abstract
The locking device of five gears/reverse gear gear-selection gear-changing mechanism of speed-changer of automobile mainly includes reverse gear shifting lever component, five-gears shift fork shaft, reverse gear shift fork shaft, gear-selecting and gear-changing shift head, five-gears/reverse gear shift block, locking plate, locking block, torsion spring, supporting pin, washer and elastic pin, the supporting pin is passed through the washer to rivet the locking plate on the reverse gear shifting level compdonent, the rivetted point is rotary central point, the locking plate can be rotated around rotating centre, the lcoking block is cover-mounted on the five-gears shift fork shaft and is fixed by means of elastic pin. Said invented locking device has no need of changing components of original product.
Description
Technical field
What the present invention relates to is a kind of latching device of Automotive transmission, and particularly a kind of latching device of Automotive transmission five/reverse gear gear-selecting-shifting mechanism belongs to automobile mechanical engineering field.
Technical background
Existing Automotive transmission assembly is in the process of transportation and car load assembling, if oppositely directed strong impaction is inverted or is subjected to change-speed box, then might make reverse idler gear gravity or action of inertia owing to self under the effect of external force pin down gear-selecting-shifting mechanism conversely, the possibility that slips into gear is voluntarily arranged, at this moment, reverse idler gear enters gear positions, but joystick still is in neutral state, causes random shelves.After this change-speed box entrucking, the consequence of generation is exactly: automobile is once starting directly to be in the reverse gear state, and can't withdraw from and change other gears.Though under normal circumstances to slip into gear voluntarily be impossible take place to reverse idler gear, above-mentioned situation also only is accidental, as a kind of unsafe hidden danger, must try every possible means it solution, to stop the generation of this phenomenon.External model machine and domestic like product all have this defective.The measure that domestic like product is taked this phenomenon is " gear being changed to the reverse gear state when change-speed box dispatches from the factory; with iron wire two rocking arm ends are tightened; in case change-speed box is jumped out Neutral Position ", this method is passive, the disorderly shelves phenomenon that can only avoid change-speed box to take place in transit, but do not solve transmission assembly contingent similar problem when car load is installed, therefore this problem is not thoroughly solved.Through patent retrieval, discovery has only China Patent No. to be: 99219835.6, name is called: the utility model of " motor vehicle gearbox " relates to similar device, but this patent only is used for three wheeled transport vehicle used for farm, its structure is extremely simple, be similar to the manual positioning locking of simple lathe, can't move auto lock and opening automatically, also can't be used for Automotive transmission according to gear shift.
Summary of the invention
The objective of the invention is to overcome deficiency of the prior art, a kind of latching device of Automotive transmission five/reverse gear gear-selecting-shifting mechanism is provided, effectively avoid change-speed box in transit and when car load is installed, because the disorderly shelves phenomenon that oppositely directed strong impaction takes place is inverted or is subjected to change-speed box.The present invention is achieved by the following technical solutions, and the present invention mainly comprises: locking plate, latch, torsion spring, rest pin, packing ring, resilient pin, reverse gear driving lever assembly, five grades of declutch shift shafts, reverse speed shift rod, gear-changing and selecting shifting block, five/reverse gear shifting block.In the space of original change-speed box, rest pin passes packing ring locking plate is riveted on (reverse gear driving lever assembly is fixed on the reverse speed shift rod) on the reverse gear driving lever assembly, the riveting point is at the rotary middle point place, locking plate can rotate around rotary middle point, latch is enclosed within on five grades of declutch shift shafts and by resilient pin and fixes, the flange of latch is stuck in the lock groove of locking plate, torsion spring set is on reverse speed shift rod, a spring pin of torsion spring is stuck in the aperture on the reverse gear driving lever assembly with the fixing axial location of torsion spring, another spring pin of torsion spring is drilled in the respective apertures on the locking plate, makes torsion spring to locking plate an outside application force be arranged all the time.
Can freely change to 1/2/3/4 grade at five/reverse gear locking state, because it is the select gear-change operation of change-speed box when hanging into 1/2/3/4 grade do not involve five grades and reverse speed shift rod, therefore irrelevant with lockable mechanism.Locking plate is fixed on the reverse gear driving lever assembly and can moves simultaneously with reverse speed shift rod by rest pin, and locking plate can rotate around rotary middle point.Latch is fixed on five grades of declutch shift shafts by resilient pin, and the flange on the latch just in time snaps in the lock groove of locking plate.Torsion spring set is on reverse speed shift rod, a spring pin of torsion spring is stuck in the aperture on the reverse gear driving lever assembly with the fixing axial location of torsion spring, another spring pin of torsion spring is drilled in the respective apertures on the locking plate, makes torsion spring to locking plate an outside application force be arranged all the time.When neutral gear, because torsion spring is to the application force of locking plate, make the locking face of locking plate tightly hook the flange of latch, an amount of gap (the too little meeting in gap makes sleeve mechanism produce interference, and the gap then can lose the meaning of locking too greatly) is left on the locking face of locking plate and the left plane of latch flange.At this moment, if reverse idler gear will enter reverse gear position, then the locking face of locking plate just in time offsets with the left plane of latch flange, has stoped sliding of reverse idler gear, thereby has realized preventing that change-speed box from hanging voluntarily into the design of Reverse purpose.When normally selecting gear shift, open for making lockable mechanism, on locking plate Gai Zaiwu/reverse gear shifting block, the contact surface of locking plate and block selecting shifting block and shifting block notch plane parallel and be higher than shifting block notch baseplane.When selecting five/reverse gear, gear-changing and selecting shifting block changes in five/reverse gear shifting block groove, promoting locking plate simultaneously rotates around rotary middle point, the locking face on the locking plate and the left plane of the latch flange certain angle that staggers, so be that extension reverse gear or extension all can make the latch flange move axially in the lock groove of locking plate for five grades, movable distance is a bit larger tham the gear shift stroke and is got final product, thus realized five/reverse gear normally select gear shift.In order to guarantee the susceptibility of mechanism opening, can make the contact surface of locking plate and block selecting shifting block be higher than plane on five/reverse gear shifting block notch, like this, gear-changing and selecting shifting block is pushed locking plate earlier open, changes five/reverse gear shifting block notch more fully over to, has guaranteed the reliability of mechanism opening.When elected gear shift shifting block was got back to Neutral Position, locking plate was got back to the flange that latch is promptly hooked in the initial position under the application force of torsion spring, and whole lockable mechanism is got back to lockup state once more.
The present invention has substantive distinguishing features and marked improvement, latching device of the present invention is realized improving in the space of original change-speed box, need not change the part in the original product, because the effect that involves mutually between locking plate and latch promptly: the flange of latch is stuck in the lock groove of locking plate, limited moving to axial of five grades of declutch shift shafts and reverse speed fork between centers, therefore, thus change-speed box can not be inverted or be subjected to oppositely directed strong impaction and make reverse idler gear enter reverse gear position disorderly shelves phenomenon takes place in transit or when car load is installed owing to change-speed box.
Description of drawings
Fig. 1 five/reverse gear catch gear locking state scheme drawing
Fig. 2 five/reverse gear catch gear locking state A-A cutaway view
Fig. 3 five/reverse gear catch gear locking state B-B cutaway view
Fig. 4 five/reverse gear locking mechanism opening view
Fig. 5 five/reverse gear locking mechanism opening state C-C cutaway view
Fig. 6 five/reverse gear locking mechanism opening state D-D cutaway view
The specific embodiment
As shown in drawings, thick line of the present invention is represented the part of the designed increase of new construction, and fine rule is the relevant part of former change-speed box, the present invention mainly comprises: locking plate 1, latch 2, torsion spring 3, rest pin 4, packing ring 5, resilient pin 6,7, five grades of declutch shift shafts 8 of reverse gear driving lever assembly, reverse speed shift rod 9, gear-changing and selecting shifting block 10, five/reverse gear shifting block 11, the locking face 12 of locking plate, the contact surface 13 of locking plate and gear-changing and selecting shifting block, the locking face 14 of locking plate, the centre of gration 15 of locking plate.In the space of original change-speed box, rest pin 4 passes packing ring 5 locking plate 1 is riveted on (reverse gear driving lever assembly 7 is fixed on the reverse speed shift rod 9) on the reverse gear driving lever assembly 7, the riveting point is at centre of gration 15 places, locking plate 1 can be around centre of gration 15 rotations, latch 2 is enclosed within on five grades of declutch shift shafts 8 and by resilient pin 6 and fixes, the flange of latch 2 is stuck in the lock groove of locking plate 1, and the locking face 14 of locking plate 1 is close to latch 2.Torsion spring 3 is enclosed within on the reverse speed shift rod 9, a spring pin of torsion spring 3 is stuck in the aperture on the reverse gear driving lever assembly 7 with the fixing axial location of torsion spring 3, another spring pin of torsion spring 3 is drilled in the respective apertures on the locking plate 1, makes 3 pairs of locking plates 1 of torsion spring that an outside application force be arranged all the time.
Be illustrated in figure 1 as five/reverse gear locking state, can freely change to 1/2/3/4 grade in this state, because it is the select gear-change operation of change-speed box when hanging into 1/2/3/4 grade do not involve five grades and reverse speed shift rod, therefore irrelevant with lockable mechanism.Locking plate 1 is fixed on the reverse gear driving lever assembly 7 and can moves simultaneously with reverse speed shift rod 9 by rest pin 4, and locking plate 1 can be around 15 rotations of centre of gration.Latch 2 is fixed on five grades of declutch shift shafts 8 by resilient pin 6, and the flange on the latch 2 just in time snaps in the lock groove of locking plate 1.Torsion spring 3 is enclosed within on the reverse speed shift rod 9, a spring pin of torsion spring 3 is stuck in the aperture on the reverse gear driving lever assembly 7 with the fixing axial location of torsion spring 3, another spring pin of torsion spring 3 is drilled in the respective apertures on the locking plate 1, makes 3 pairs of locking plates 1 of torsion spring that an outside application force be arranged all the time.When neutral gear, because the application force of 3 pairs of locking plates 1 of torsion spring, make the locking face 14 of locking plate 1 tightly hook the flange of latch 2, the locking face 12 of locking plate 1 leaves an amount of gap (the too little meeting in gap makes sleeve mechanism produce interference, and the gap then can lose the meaning of locking too greatly) with the left plane of latch 2 flange.At this moment, if reverse idler gear will enter reverse gear position, then the locking face 12 of locking plate 1 just in time offsets with the left plane of latch 2 flange, has stoped sliding of reverse idler gear, thereby has realized preventing that change-speed box from hanging voluntarily into the design of Reverse purpose.As shown in Figure 4, when normally selecting gear shift, open for making lockable mechanism, on locking plate 1 Gai Zaiwu/reverse gear shifting block 11, the contact surface 13 of locking plate 1 and block selecting shifting block 10 is with shifting block notch plane parallel and be higher than shifting block notch baseplane.When selecting five/reverse gear, gear-changing and selecting shifting block 10 changes in five/reverse gear shifting block groove, promote locking plate 1 simultaneously around 15 rotations of centre of gration, locking face 12 on the locking plate 1 and the left plane of the latch 2 flange certain angle that staggers, so be that extension reverse gear or extension all can make latch 2 flange move axially in the lock groove of locking plate 1 for five grades, movable distance is a bit larger tham the gear shift stroke and is got final product, thus realized five/reverse gear normally select gear shift.In order to guarantee the susceptibility of mechanism opening, can make the locking plate 1 and the contact surface 13 of block selecting shifting block 10 be higher than plane on five/reverse gear shifting block notch, like this, gear-changing and selecting shifting block 10 is pushed locking plate 1 earlier open, change five/reverse gear shifting block notch 11 more fully over to, guaranteed the reliability of mechanism opening.When elected gear shift shifting block 10 was got back to Neutral Position, locking plate 1 was got back to the flange that latch 2 is promptly hooked in the initial position under the application force of torsion spring 3, and whole lockable mechanism is got back to lockup state once more.When five grades of extensions or reverse gear, gear-changing and selecting shifting block 10 overcomes the application force of 3 pairs of locking plates 1 of torsion spring, and the contact surface 13 places promotion locking plate 1 with gear-changing and selecting shifting block 10 on locking plate 1 clockwise rotates around rotary middle point 15, to open catch gear.
Claims (4)
1. the latching device of Automotive transmission five/reverse gear gear-selecting-shifting mechanism, mainly comprise: reverse gear driving lever assembly (7), five grades of declutch shift shafts (8), reverse speed shift rod (9), gear-changing and selecting shifting block (10), five/reverse gear shifting block (11), it is characterized in that also comprising: locking plate (1), the centre of gration of locking plate (15), latch (2), torsion spring (3), rest pin (4), packing ring (5), resilient pin (6), its connection mode is: in the space of change-speed box, rest pin (4) passes packing ring (5) locking plate (1) is riveted on the reverse gear driving lever assembly (7), the riveting point is positioned at the centre of gration (15) of locking plate (1) one end and locates, locking plate (1) can be around centre of gration (15) rotation of locking plate, and latch (2) is enclosed within five grades of declutch shift shafts (8) and goes up and fixed by resilient pin (6), and torsion spring (3) is enclosed within on the reverse speed shift rod (9), a spring pin of torsion spring (3) is connected with reverse gear driving lever assembly (7), and another spring pin of torsion spring (3) is connected with locking plate (1).
2. the latching device of this Automotive transmission five/reverse gear gear-selecting-shifting mechanism according to claim 1 is characterized in that, the flange of latch (2) is stuck in the lock groove of locking plate (1), and the locking face (14) of locking plate (1) is close to latch (2).
3. the latching device of this Automotive transmission five/reverse gear gear-selecting-shifting mechanism according to claim 1 is characterized in that, torsion spring (3) applies an outside thrust all the time to locking plate (1).
4. the latching device of this Automotive transmission five/reverse gear gear-selecting-shifting mechanism according to claim 1, it is characterized in that, a spring pin of torsion spring (3) is stuck in the aperture on the reverse gear driving lever assembly (7), and another spring pin of torsion spring (3) is drilled in the respective apertures on the locking plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02150794 CN1218847C (en) | 2002-11-28 | 2002-11-28 | Locking device of five/reverse gear gear-selecting and gear-shifting mechanism for automobile speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02150794 CN1218847C (en) | 2002-11-28 | 2002-11-28 | Locking device of five/reverse gear gear-selecting and gear-shifting mechanism for automobile speed changer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1412028A true CN1412028A (en) | 2003-04-23 |
| CN1218847C CN1218847C (en) | 2005-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02150794 Expired - Fee Related CN1218847C (en) | 2002-11-28 | 2002-11-28 | Locking device of five/reverse gear gear-selecting and gear-shifting mechanism for automobile speed changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1218847C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865282A (en) * | 2010-06-30 | 2010-10-20 | 上海汽车变速器有限公司 | Reverse-gear pull-pin gear shift system with function of linkage of self-locking and interlocking |
| CN103453136A (en) * | 2013-07-31 | 2013-12-18 | 哈尔滨东安汽车发动机制造有限公司 | Novel fifth gear and reverse gear interlocking device |
-
2002
- 2002-11-28 CN CN 02150794 patent/CN1218847C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865282A (en) * | 2010-06-30 | 2010-10-20 | 上海汽车变速器有限公司 | Reverse-gear pull-pin gear shift system with function of linkage of self-locking and interlocking |
| CN101865282B (en) * | 2010-06-30 | 2013-07-24 | 上海汽车变速器有限公司 | Reverse-gear pull-pin gear shift system with function of linkage of self-locking and interlocking |
| CN103453136A (en) * | 2013-07-31 | 2013-12-18 | 哈尔滨东安汽车发动机制造有限公司 | Novel fifth gear and reverse gear interlocking device |
| CN103453136B (en) * | 2013-07-31 | 2016-09-14 | 哈尔滨东安汽车发动机制造有限公司 | Novel five gear and the interlocks that reverse gear |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1218847C (en) | 2005-09-14 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI AUTOMOTIVE TRANSMISSION CO. Free format text: FORMER OWNER: SHANGHAI AUTOMOBILE CO. LTD. Effective date: 20080829 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080829 Address after: Shanghai city Jiading District Road No. 189 Patentee after: Shanghai Automotive Transmission Co., Ltd. Address before: Shanghai Chengzhong Road No. 500 Patentee before: Shanghai Automobile Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050914 Termination date: 20201128 |