CN204164337U - A kind of shifting of transmission halting mechanism - Google Patents
A kind of shifting of transmission halting mechanism Download PDFInfo
- Publication number
- CN204164337U CN204164337U CN201420624338.XU CN201420624338U CN204164337U CN 204164337 U CN204164337 U CN 204164337U CN 201420624338 U CN201420624338 U CN 201420624338U CN 204164337 U CN204164337 U CN 204164337U
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- China
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- cylinder
- park pawl
- spring
- halting mechanism
- shifting
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Abstract
A kind of shifting of transmission halting mechanism, it belongs to transmission technology field.The utility model will solve existing automatic transmission to be existed and causes the risk of car load retro maneuver failure mechanisms, thus causes the technical problem that car phenomenon occurs of slipping of the non-driver's intention of vehicle.Shifting of transmission halting mechanism of the present utility model comprises halting mechanism and gearshift; Halting mechanism also comprises portal frame, supporting component; Parking push rod assembly is provided with guide rod, guide rod is by the first cylinder, the second cylinder, three cylindrical and the 4th cylinder is one-body molded forms, first cylinder, the second cylinder, three cylindrical and the coaxial various outer diameter of the 4th cylinder and be ladder-like arranged, taper chamfered transition between first cylinder and the second cylinder, portal frame across seat on three cylindrical, second cylindrical base is resisted against on the roller bearing of supporting component, on the guide end that between the first cylinder and the second cylinder, taper chamfering can be resisted against park pawl and motion mutually.The utility model is used for gear shift parking.
Description
Technical field
The utility model belongs to transmission technology field, is specifically related to a kind of shifting of transmission halting mechanism.
Background technique
Along with constantly popularizing of automatic transmission, adding further of traffic driving Safety regulations is tight, and automatic transmission technology is constantly reformed.Automatic transmission carrys out transferring power by fluid power actuating device element, and hydraulic element itself exist the not rapid halfway inherent characteristic of separation; Therefore the vehicle that automatic transmission is housed can be caused when neutral gear, still transmitting because hydraulic element are separated not thoroughly power, although car load has skidding mechanism, but because power still may cause the risk that car load arrestment mechanism lost efficacy still to exist in transmission, and then cause vehicle non-driver intention slip car phenomenon, this will cause traffic safety accident, threatens to the security of the lives and property.
Summary of the invention
The utility model will solve existing automatic transmission to be existed and causes the risk of car load retro maneuver failure mechanisms, thus causes the technical problem that car phenomenon occurs of slipping of the non-driver's intention of vehicle; And provide a kind of shifting of transmission halting mechanism.Structure of the present utility model is simple, reasonable in design, characteristics of compact layout, multiple functional.
In order to solve the problems of the technologies described above, shifting of transmission halting mechanism of the present utility model comprises halting mechanism and gearshift, described halting mechanism comprises parking gear, park pawl, parking push rod assembly, park pawl comprises connecting end, ratchet teeth portion and guide end, parking push rod assembly one end is resisted against on the guide end of park pawl, the other end is articulated with on gearshift, the ratchet teeth portion of park pawl is connected with parking gear is engageable, and the connecting end of park pawl is installed by park pawl axle on the housing of speed changer; Halting mechanism also comprises portal frame, supporting component; Parking push rod assembly is provided with guide rod, guide rod is by the first cylinder, the second cylinder, three cylindrical and the 4th cylinder is one-body molded forms, first cylinder, the second cylinder, three cylindrical and the coaxial various outer diameter of the 4th cylinder and be ladder-like arranged, taper chamfered transition between first cylinder and the second cylinder, portal frame across seat on three cylindrical, second cylindrical base is resisted against on the roller bearing of supporting component, on the guide end that between the first cylinder and the second cylinder, taper chamfering can be resisted against park pawl and motion mutually.Parking push rod assembly is deep in the opening of parking push rod assembly leading truck gantry, so that park pawl can remain in support with steady state.In automobile normal running process, namely non-parking stall is put, ratchet holds up not take turns with parking and engages by park pawl return spring, avoid causing improper parking, non-parking shelves make ratchet and parking gear keep a safe distance, when being linked into parking stall, gearshift revolution drives in the relative portal frame of parking push rod assembly and moves axially, the reach of parking push rod assembly promotes the inclined-plane of park pawl guide end, when parking push rod assembly taper chamfering crosses park pawl, ratchet is just pushed on the position of parking gear locking, realizes parking.
Gearshift shift shaft, brake rail plate and positioning ejection reed, brake rail plate top is connected with shifting shaft, the first teeth groove, the second teeth groove, the 3rd teeth groove and the 4th teeth groove is provided with bottom brake rail plate, positioning ejection reed one end is provided with roller, roller may be stuck in the first teeth groove, the second teeth groove, the 3rd teeth groove and the 4th teeth groove, the other end of positioning ejection reed is fixedly connected on the housing of speed changer, drives push rod assembly to be connected on brake rail plate by hinging hole.
Described brake rail plate is arranged relative to the Vertical direction of park pawl, guarantees that driveshaft does straight line motion.
Described retaining spring dorsal part adopts spring steel plate to strengthen, and avoids because the too thin strength of spring too much produces plastic deformation, thus further ensures gearshift precision.
Park pawl axle is provided with return spring, the guide end of park pawl is provided with keep-spring, keep-spring spring wire ring inside arranges keep-spring swivel sleeve, park pawl keep-spring and keep-spring swivel sleeve are fastened on the housing of speed changer through keep-spring swivel sleeve by clamping bolt jointly, parking push rod assembly place is provided with a keep-spring, and non-parking shelves make ratchet and parking gear keep a safe distance; Double-spring structure ensure that park pawl can not occur to miss with parking gear the phenomenon of the failure engaged because of external force such as gravity, ensures non-parking safety distance.
Described parking push rod assembly is provided with damping spring near guide rod side, in order to absorb the impact owing to bringing during the axial motion of parking push rod.
The utility model is provided with portal frame in the front end of parking push rod assembly, the bayonet socket of portal frame across seat on the guide rod of parking push rod assembly front end, for described parking push rod assembly provides leading role, the plane of portal frame left end can be carried out spacing for the axial motion of parking push rod assembly again, guarantee that driveshaft does straight line motion, reduce resistance, simple and practical.The bilateral of park pawl is all provided with torsion spring, return spring and keep-spring acting in conjunction, ensure that park pawl can not occur to miss with parking gear the phenomenon of the failure engaged because of external force such as gravity; Keep-spring spring wire ring inside arranges ratchet keep-spring swivel sleeve, park pawl keep-spring and keep-spring swivel sleeve are fastened on housing through swivel sleeve by clamping bolt jointly, axle sleeve not only as fastening piece, also as the rotary middle spindle of park pawl keep-spring; Parking push rod side contacts with park pawl, and side then contacts with the roller structure in parking push rod supporting component in addition, avoids unnecessary wearing and tearing, reduces gearshift resistance simultaneously, makes operation more simply comfortable; Parking push rod is provided with spring, in order to absorb the impact owing to bringing during the axial motion of parking push rod; Retaining spring dorsal part adopts spring steel plate to strengthen, and avoids because the too thin strength of spring too much produces plastic deformation, thus further ensures gearshift precision.Parking push rod assembly is installed on by cross recess and activates on rail plate, and parking push rod assembly is deep in the opening of parking push rod assembly leading truck gantry, so that park pawl can remain in support with steady state.In automobile normal running process, namely non-parking stall is put, ratchet holds up not take turns with parking and engages by park pawl return spring, avoid causing improper parking, parking push rod assembly place is provided with a park pawl keep-spring simultaneously, non-parking shelves make ratchet and parking gear keep a safe distance, when being linked into parking stall, activate in the relative portal frame of rail plate revolution drive parking push rod assembly and move axially, the resistance that parking push rod assembly overcomes spring moves forward later and promotes the inclined-plane of park pawl guide end, when parking push rod assembly taper chamfering crosses park pawl, ratchet is just pushed on the position of parking gear locking, realize parking.
Structure of the present utility model is simple, reasonable in design, characteristics of compact layout, make use of gearbox space efficiently, and can prevent the mistake of park pawl from engaging, the setting of the devices such as spring can effectively absorb impact, avoids distortion, and avoid wearing and tearing, reliability is strong.
Accompanying drawing explanation
The overall structure schematic diagram that Fig. 1 is, Fig. 2 is the plan view of Fig. 1, and Fig. 3 is the left view of Fig. 1.
In Fig. 1-3 1---park pawl, 101---connecting end, 102---ratchet teeth portion, 103---guide end, 2---supporting component, 3---portal frame, 4---parking push rod assembly, 5---shifting shaft assembly, 6---return spring, 7---parking gear, 8---keep-spring swivel sleeve, 9---keep-spring, 10---damping spring, 11---retaining spring, 110---spring steel plate, 12---brake rail plate, 121---the first teeth groove, 122---the second teeth groove, 123---the 3rd teeth groove, 124---the 4th teeth groove, 13---guide rod, 131---the first cylinder, 132---the second cylinder, 133---three cylindrical, 134---the 4th cylinder, 14---park pawl axle, 15---roller.
Embodiment
Composition graphs 1-3 illustrates present embodiment, the shifting of transmission halting mechanism of present embodiment comprises halting mechanism and gearshift, described halting mechanism comprises parking gear 7, park pawl 1, parking push rod assembly 4, park pawl 1 comprises connecting end 101, ratchet teeth portion 102 and guide end 103, parking push rod assembly 4 one end is resisted against on the guide end 103 of park pawl 1, the other end is articulated with on gearshift, the ratchet teeth portion 102 of park pawl 1 is connected with parking gear 7 is engageable, the connecting end 101 of park pawl 1 is installed on the housing of speed changer by park pawl axle 14, halting mechanism also comprises portal frame 3, supporting component 2, parking push rod assembly 4 is provided with guide rod 13, guide rod 13 is made up of integrated coaxial and stepped first cylinder 131, second cylinder 132, three cylindrical 133 and the 4th cylinder 134 of in various outer diameter, between first cylinder 131 and the second cylinder 132, taper chamfered transition connects, portal frame 3 across seat on three cylindrical 133, be resisted against bottom second cylinder 132 on the roller bearing of supporting component 2, on the guide end 103 that between the first cylinder 131 and the second cylinder 132, taper chamfering can be resisted against park pawl 1 and motion mutually.
Gearshift shift shaft 5, brake rail plate 12 and positioning ejection reed 11, brake rail plate 12 top is connected with shifting shaft 5, the first teeth groove 121, second teeth groove 122, the 3rd teeth groove 123 and the 4th teeth groove 124 is provided with bottom brake rail plate 12, positioning ejection reed 11 one end is provided with roller 15, roller 15 may be stuck in the first teeth groove, the second teeth groove, the 3rd teeth groove and the 4th teeth groove, the other end of positioning ejection reed 11 is fixedly connected on the housing of speed changer, drives push rod assembly to be hinged on brake rail plate 12.
Park pawl axle 14 is provided with return spring 6, the guide end 103 of park pawl 1 is provided with keep-spring 9, keep-spring 9 spring wire ring inside arranges keep-spring swivel sleeve 8, and park pawl keep-spring 9 and keep-spring swivel sleeve 8 are fastened on the housing of speed changer through keep-spring swivel sleeve 8 by clamping bolt jointly.
Parking push rod assembly 4 is provided with damping spring 10 near guide rod 13 side.
Claims (6)
1. a shifting of transmission halting mechanism, it comprises halting mechanism and gearshift, described halting mechanism comprises parking gear (7), park pawl (1), parking push rod assembly (4), park pawl (1) comprises connecting end (101), ratchet teeth portion (102) and guide end (103), parking push rod assembly (4) one end is resisted against on the guide end (103) of park pawl (1), the other end is articulated with on gearshift, the ratchet teeth portion (102) of park pawl (1) is connected with parking gear (7) is engageable, the connecting end (101) of park pawl (1) is installed by park pawl axle (14) on the housing of speed changer, it is characterized in that halting mechanism also comprises portal frame (3), supporting component (2), parking push rod assembly (4) is provided with guide rod (13), guide rod (13) is by the first cylinder (131), second cylinder (132), three cylindrical (133) and the 4th cylinder (134) one-body molded formation, first cylinder (131), second cylinder (132), the coaxial various outer diameter of three cylindrical (133) and the 4th cylinder (134) and being ladder-like arranged, taper chamfered transition between first cylinder (131) and the second cylinder (132), portal frame (3) across seat on three cylindrical (133), second cylinder (132) bottom is resisted against on the roller bearing of supporting component (2), between first cylinder (131) and the second cylinder (132), can be resisted against the guide end (103) of park pawl (1) upper and mutually move for taper chamfering.
2. a kind of shifting of transmission halting mechanism according to claim 1, it is characterized in that gearshift comprises shift shaft (5), brake rail plate (12) and positioning ejection reed (11), brake rail plate (12) top is connected with shifting shaft (5), brake rail plate (12) bottom is provided with the first teeth groove (121), second teeth groove (122), 3rd teeth groove (123) and the 4th teeth groove (124), positioning ejection reed (11) one end is provided with roller (15), roller (15) may be stuck in the first teeth groove (121), second teeth groove (122), in 3rd teeth groove (123) and the 4th teeth groove (124), the other end of positioning ejection reed (11) is fixedly connected on the housing of speed changer, push rod assembly (4) is driven to be connected on brake rail plate (12) by hinging hole.
3. a kind of shifting of transmission halting mechanism according to claim 2, is characterized in that brake rail plate (12) is arranged relative to the Vertical direction of park pawl (1).
4. a kind of shifting of transmission halting mechanism according to claim 2, is characterized in that positioning ejection reed (11) dorsal part adopts spring steel plate (110) to strengthen.
5. a kind of shifting of transmission halting mechanism according to claim 1, it is characterized in that park pawl axle (14) is provided with return spring (6), the guide end (103) of park pawl (1) is provided with keep-spring (9), keep-spring (9) spring wire ring inside arranges keep-spring swivel sleeve (8), and park pawl keep-spring (9) and keep-spring swivel sleeve (8) are fastened on the housing of speed changer through keep-spring swivel sleeve (8) by clamping bolt jointly.
6. a kind of shifting of transmission halting mechanism according to claim 1, is characterized in that parking push rod assembly (4) is provided with damping spring (10) near guide rod (13) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420624338.XU CN204164337U (en) | 2014-10-27 | 2014-10-27 | A kind of shifting of transmission halting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420624338.XU CN204164337U (en) | 2014-10-27 | 2014-10-27 | A kind of shifting of transmission halting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204164337U true CN204164337U (en) | 2015-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420624338.XU Expired - Fee Related CN204164337U (en) | 2014-10-27 | 2014-10-27 | A kind of shifting of transmission halting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204164337U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105136455A (en) * | 2015-10-13 | 2015-12-09 | 哈尔滨东安汽车发动机制造有限公司 | Parking rolling bar spring reliability test device and test method |
| WO2017042073A1 (en) * | 2015-09-07 | 2017-03-16 | Volkswagen Aktiengesellschaft | Parking brake device for a motor vehicle transmission |
| CN107725768A (en) * | 2017-10-31 | 2018-02-23 | 宁波上中下自动变速器有限公司 | A kind of gear identification device and vehicle for vehicle |
-
2014
- 2014-10-27 CN CN201420624338.XU patent/CN204164337U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017042073A1 (en) * | 2015-09-07 | 2017-03-16 | Volkswagen Aktiengesellschaft | Parking brake device for a motor vehicle transmission |
| CN108027062A (en) * | 2015-09-07 | 2018-05-11 | 大众汽车有限公司 | Parking stop device for vehicle transmissions |
| CN108027062B (en) * | 2015-09-07 | 2019-10-18 | 大众汽车有限公司 | Parking stop device for vehicle transmissions |
| CN105136455A (en) * | 2015-10-13 | 2015-12-09 | 哈尔滨东安汽车发动机制造有限公司 | Parking rolling bar spring reliability test device and test method |
| CN107725768A (en) * | 2017-10-31 | 2018-02-23 | 宁波上中下自动变速器有限公司 | A kind of gear identification device and vehicle for vehicle |
| CN107725768B (en) * | 2017-10-31 | 2019-08-30 | 宁波上中下自动变速器有限公司 | A kind of gear identification device and vehicle for vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 Termination date: 20191027 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |