CN202790485U - Push rod driving device in automatic gearbox parking system - Google Patents
Push rod driving device in automatic gearbox parking system Download PDFInfo
- Publication number
- CN202790485U CN202790485U CN201220434636.3U CN201220434636U CN202790485U CN 202790485 U CN202790485 U CN 202790485U CN 201220434636 U CN201220434636 U CN 201220434636U CN 202790485 U CN202790485 U CN 202790485U
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- CN
- China
- Prior art keywords
- push rod
- connecting rod
- rail plate
- positioning rail
- parking system
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- Expired - Lifetime
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Abstract
The utility model provides a push rod driving device in an automatic gearbox parking system, which belongs to the technical field of automobiles and solves the problem that the arrangement space of the existing push rod driving device is large. The parking system comprises a ratchet wheel, a pawl meshed with the ratchet wheel, and a push rod capable of moving along the self axial direction and pushing the pawl to clamp into or separate from the ratchet wheel; the push rod driving device in the automatic gearbox parking system comprises a positioning rail plate articulated on a gearbox shell and capable of swinging, wherein the movement surface of the positioning rail plate is not parallel to that of the push rod; and a reversing connecting rod assembly capable of driving the push rod to move along the self axial direction when the positioning rail plate swings is arranged between the positioning rail plate and the push rod. The reversing connecting rod assembly fully utilizes the space in the gearbox to adapt to the requirement of requiring the gearbox structure to be compact due to light weight; the arrangement space of the parts is reduced; and the cost is reduced.
Description
Technical field
The utility model belongs to automobile technical field, relates to the push rod drive unit in a kind of automatic transmission parking system.
Background technique
At present along with the development of science and technology, automobile has become people's requisite traffic tool of going on a journey.Automotive transmission is divided into manually and automatic transmission according to the difference of gearshift mode.Automatic transmission has become a kind of trend of speed changer development owing to easy for operation.Halting mechanism is a kind of safety installations that prevents vehicle sliding in the automatic transmission.Simultaneously, light-weighted requirement makes speed changer structure be tending towards compact, so the layout of halting mechanism wants to take full advantage of the gap space in the speed changer.
Know the halting mechanism [application number: 201010514312.6 of a kind of automatic gearbox that office announces such as Chinese state, notification number: CN101973209A], comprise the parking ratchet wheel that links to each other with differential casing, can with the park pawl of parking ratchet wheel engagement, and be hinged on positioning rail plate on the car body, park pawl is hinged on the car body by turning axle, parking ratchet wheel, park pawl and positioning rail plate are positioned at same plane, be hinged with push rod on the positioning rail plate, be arranged with successively the spring that sliding component and an end can be resisted against the sliding component end on the push rod, sliding component under the effect of a depression bar with park pawl against, sliding component can promote park pawl when the positioning rail plate rotates, and park pawl is snapped in the ratchet of parking ratchet wheel.Positioning rail plate and the push rod of this halting mechanism are in same plane, can be directly hinged.
And at present in the disclosed automatic transmission stopping mechanism, the moving surface of some positioning rail plate and the moving surface of push rod are not in parallel surface, need reversing arrangement adjustment, its reversing arrangement generally all adopts the structure that an axle runs through housing to commutate, the arrangement space that such structure takies is large, and adopt welding miscellaneous, riveted joint and pin mode to position the processing technology relative complex.
The model utility content
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind of push rod drive unit that takies in the few automatic transmission parking system of arrangement space.
The purpose of this utility model can realize by following technical proposal: the push rod drive unit in a kind of automatic transmission parking system, parking system comprises ratchet, the ratchet that can be meshed with ratchet, and can be along self moving axially and can promoting the push rod that ratchet snapped in or broke away from ratchet, it is characterized in that, this push rod drive unit comprises and is hinged on the case of transmission and the positioning rail plate that can swing, the moving surface of described positioning rail plate and push rod is not parallel to each other, can drive push rod along self axially movable commutation link assembly when the positioning rail plate swings being provided with between described positioning rail plate and the push rod.
Behind parking of automobile, manually stir gearshift, make rocking arm drive the positioning rail plate and swing.When the positioning rail plate swings around self axis hole, the one end is by a series of commutations and the transmission of commutation link assembly, with transmission of power to push rod, driving push rod axially moves around along self, one end of push rod rotates ratchet and embeds in the ratchet, ratchet and ratchet engagement, this moment, parking system was in running order, made automobile brake.Because the commutation link assembly is simple in structure small and exquisite, can take full advantage of the gap space in the speed changer, reduce arrangement space.
In the push rod drive unit in above-mentioned automatic transmission parking system, described commutation link assembly comprises mutually hinged connecting rod one and connecting rod two, and an end and the positioning rail plate of connecting rod one are hinged, and an end and the push rod of connecting rod two are hinged.The swing of positioning rail plate drives connecting rod one and moves, and connecting rod one is hinged with connecting rod two, moves so connecting rod two drives again push rod.
In the push rod drive unit in above-mentioned automatic transmission parking system, described positioning rail plate is provided with structure hole one, and described connecting rod one passes structure hole and carries out axial limiting by a pair of positioning rail plate of the riveted structure that has on the connecting rod one in the lump.The a pair of positioning rail plate of riveted structure has barrier effect, prevents that connecting rod one is deviate from structure hole one at the volley, so that connecting rod one again can translation in relative positioning rail plate rotates.
In the push rod drive unit in above-mentioned automatic transmission parking system, described connecting rod two is provided with structure hole two, and described connecting rod one passes structure hole two and carries out axial limiting by the two pairs of connecting rods of riveted structure two that have on the connecting rod one.Riveted structure two prevents that connecting rod one from deviating from from structure hole two, connecting rod one can rotate relative to connecting rod two.
In the push rod drive unit in above-mentioned automatic transmission parking system, the two ends of described connecting rod one all have bend section, and described riveted structure one and riveted structure two lay respectively on the bend section at two ends.Bend section by two ends, connecting rod one converts the moving surface of positioning rail plate to controlled by two bend sections moving surface, the moving surface of the moving surface of positioning rail plate and riveted structure one residing bend section is perpendicular, the moving surface of the moving surface of connecting rod two and riveted structure two residing bend sections is perpendicular, as long as adjust so the angle of two bend sections, just can commutate easily.
In the push rod drive unit in above-mentioned automatic transmission parking system, described connecting rod two comprises shifting shaft with through hole, is connected in gear arm one and gear arm two on the shifting shaft, gear arm one links to each other with connecting rod one, gear arm two links to each other with push rod, and the cooperation of described shifting shaft by bolt and through hole is fixed on the case of transmission and can rotates around bolt.Shifting shaft rotates around bolt, and connecting rod one pulling gear arm one rotates, and gear arm one drives shifting shaft and gear arm two rotates, and gear arm two drives push rod along self axial motion.
In the push rod drive unit in above-mentioned automatic transmission parking system, described gear arm one and gear arm two are weldingly fixed on the shifting shaft.It is at a certain angle that gear arm one and gear arm two are connected on the shifting shaft shape, can adjust according to the movement locus of speed changer inner space and push rod the angle of gear arm one and gear arm two before welding, and then be welded and fixed.
Compared with prior art, the push rod drive unit in this automatic transmission parking system has the following advantages:
1. the commutation link assembly simple and compact structure in the push rod drive unit, difficulty of processing is low, and assembly process process is good.
2. take full advantage of the space in the speed changer, to adapt to the demand that requires the speed changer structure compactness because of lightweight, reduce the arrangement space of part, reduce cost.
Description of drawings
Fig. 1 is the structural representation of the push rod drive unit in the automatic transmission parking system.
Fig. 2 is the structural representation of positioning rail plate.
Fig. 3 is the structural representation of connecting rod one.
Fig. 4 is the structural representation of connecting rod two.
Among the figure, 1, the positioning rail plate; 11, structure hole one; 2, connecting rod one; 21, riveted structure one; 22, riveted structure two; 23, bend section; 3, connecting rod two; 31, structure hole two; 32, shifting shaft; 33, gear arm one; 34, gear arm two; 35, through hole; 4, push rod; 5, bolt.
Embodiment
Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, the push rod drive unit in this automatic transmission parking system be used for to drive push rod 4 and moves axially along self, realizes the commutation of parking system.Parking system comprises ratchet, the ratchet that can be meshed with ratchet and can be along the push rod 4 that self moves axially and can promote ratchet and snap in or break away from ratchet.This push rod drive unit comprises and is hinged on the case of transmission and the positioning rail plate 1 that can swing, positioning rail plate 1 is not parallel to each other with the moving surface of push rod 4, can drive push rod 4 along self axially movable commutation link assembly when being provided with in 1 swing of positioning rail plate between positioning rail plate 1 and the push rod 4.
Specifically, such as Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, the commutation link assembly comprises mutually hinged connecting rod 1 and connecting rod 23, and an end and the positioning rail plate 1 of connecting rod 1 are hinged, and an end and the push rod 4 of connecting rod 23 are hinged.Positioning rail plate 1 is provided with structure hole 1, and connecting rod 1 passes structure hole 1 and carries out axial limiting by the one 21 pairs of positioning rail plates of riveted structure 1 that have on the connecting rod 1.Connecting rod 23 is provided with structure hole 2 31, and connecting rod 1 passes structure hole 2 31 and carries out axial limiting by the 2 22 pairs of connecting rods of riveted structure 23 that have on the connecting rod 1.
The two ends of connecting rod 1 all have bend section 23, and riveted structure 1 and riveted structure 2 22 lay respectively on the bend section 23 at two ends.Connecting rod 23 comprises that shifting shaft 32, welding with through hole 35 are connected in gear arm 1 and gear arm 2 34 on the shifting shaft 32, gear arm 1 links to each other with connecting rod 1, gear arm 2 34 links to each other with push rod 4, and the cooperation of shifting shaft 32 by bolt 5 and through hole 35 is fixed on the case of transmission and can rotates around bolt 5.
When positioning rail plate 1 when axis hole swings, drive connecting rod one 2 rotation translations, make simultaneously connecting rod 23 around bolt 5 rotations, thereby so that the gear arm 1 of connecting rod 23 drives gear arms 2 34 rotations, finally drive push rod 4 and move.
Specific embodiment described herein only is to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has more used the terms such as positioning rail plate 1, structure hole 1, connecting rod 1, riveted structure 1, riveted structure 2 22, bend section 23, connecting rod 23, structure hole 2 31, shifting shaft 32, gear arm 1, gear arm 2 34, through hole 35, push rod 4, bolt 5, do not get rid of the possibility of using other term.Using these terms only is in order to describe more easily and explain essence of the present utility model; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (7)
1. the push rod drive unit in the automatic transmission parking system, parking system comprises ratchet, the ratchet that can be meshed with ratchet, and can be along the push rod (4) that self moves axially and can promote ratchet and snap in or break away from ratchet, it is characterized in that, this push rod drive unit comprises the positioning rail plate (1) that is hinged on the case of transmission and can swings, the moving surface of described positioning rail plate (1) and push rod (4) is not parallel to each other, can drive push rod (4) along self axially movable commutation link assembly when positioning rail plate (1) swings being provided with between described positioning rail plate (1) and the push rod (4).
2. the push rod drive unit in the automatic transmission parking system according to claim 1, it is characterized in that, described commutation link assembly comprises mutually hinged connecting rod one (2) and connecting rod two (3), one end of connecting rod one (2) and positioning rail plate (1) are hinged, and an end of connecting rod two (3) and push rod (4) are hinged.
3. the push rod drive unit in the automatic transmission parking system according to claim 2, it is characterized in that, described positioning rail plate (1) is provided with structure hole one (11), and described connecting rod one (2) passes structure hole one (11) and by the riveted structure one (21) that has on the connecting rod one (2) positioning rail plate (1) carried out axial limiting.
4. the push rod drive unit in the automatic transmission parking system according to claim 3, it is characterized in that, described connecting rod two (3) is provided with structure hole two (31), and described connecting rod one (2) passes structure hole two (31) and by the riveted structure two (22) that has on the connecting rod one (2) connecting rod two (3) carried out axial limiting.
5. the push rod drive unit in the automatic transmission parking system according to claim 4, it is characterized in that, the two ends of described connecting rod one (2) all have bend section (23), and described riveted structure one (21) and riveted structure two (22) lay respectively on the bend section (23) at two ends.
6. according to claim 2 or the push rod drive unit in 3 or the 4 or 5 described automatic transmission parking systems, it is characterized in that, described connecting rod two (3) comprise have through hole (35) shifting shaft (32), be connected in gear arm one (33) and gear arm two (34) on the shifting shaft (32), gear arm one (33) links to each other with connecting rod one (2), gear arm two (34) links to each other with push rod (4), and the cooperation of described shifting shaft (32) by bolt (5) and through hole (35) is fixed on the case of transmission and can rotates around bolt (5).
7. the push rod drive unit in the automatic transmission parking system according to claim 6 is characterized in that, described gear arm one (33) and gear arm two (34) are weldingly fixed on the shifting shaft (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220434636.3U CN202790485U (en) | 2012-08-29 | 2012-08-29 | Push rod driving device in automatic gearbox parking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220434636.3U CN202790485U (en) | 2012-08-29 | 2012-08-29 | Push rod driving device in automatic gearbox parking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202790485U true CN202790485U (en) | 2013-03-13 |
Family
ID=47817750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220434636.3U Expired - Lifetime CN202790485U (en) | 2012-08-29 | 2012-08-29 | Push rod driving device in automatic gearbox parking system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202790485U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453137A (en) * | 2013-08-16 | 2013-12-18 | 浙江吉利汽车研究院有限公司 | Vehicle parking locking device |
| CN108775052A (en) * | 2018-08-20 | 2018-11-09 | 郭文平 | A kind of rotatably driving toilet-flushing apparatus and water tank |
-
2012
- 2012-08-29 CN CN201220434636.3U patent/CN202790485U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453137A (en) * | 2013-08-16 | 2013-12-18 | 浙江吉利汽车研究院有限公司 | Vehicle parking locking device |
| CN108775052A (en) * | 2018-08-20 | 2018-11-09 | 郭文平 | A kind of rotatably driving toilet-flushing apparatus and water tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: ZHEJIANG GEELY TRANSMISSION CO.,LTD. Assignor: Zhejiang Geely Automobile Research Institute Co.,Ltd. Hangzhou Branch|ZHEJIANG GEELY AUTOMOBILE RESEARCH INSTITUTE Co.,Ltd.|ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Contract record no.: 2014330000125 Denomination of utility model: Push rod driving device in automatic gearbox parking system Granted publication date: 20130313 License type: Exclusive License Record date: 20140505 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |
|
| CX01 | Expiry of patent term |