CN203906764U - Automobile and automatic gearbox parking system thereof - Google Patents
Automobile and automatic gearbox parking system thereof Download PDFInfo
- Publication number
- CN203906764U CN203906764U CN201420326033.0U CN201420326033U CN203906764U CN 203906764 U CN203906764 U CN 203906764U CN 201420326033 U CN201420326033 U CN 201420326033U CN 203906764 U CN203906764 U CN 203906764U
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- parking
- automatic transmission
- transmission case
- push rod
- ratchet
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- 230000005540 biological transmission Effects 0.000 claims description 53
- 230000033001 locomotion Effects 0.000 claims description 19
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 4
- 238000013507 mapping Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
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Abstract
The utility model discloses an automobile and an automatic gearbox parking system of the automobile. The system comprises a parking hydraulic plate provided with a parking groove and a non-parking groove, one end of the parking hydraulic plate is installed on a piston of a hydraulic cylinder, the parking groove is formed below the non-parking groove, and a rocker arm plate moves along the parking hydraulic plate under the action of a push rod and is connected to the parking groove or the non-parking groove in a clamped mode. The system further comprises a detecting element and a control element. When a driving state signal is a parking signal, the control element controls the piston of the hydraulic cylinder to move upwards. When the driving stage signal is a non-parking signal, the control element controls the piston of the hydraulic cylinder to move downwards. In this way, according to the automatic gearbox parking system, automatic parking can be achieved, the automation of the automatic gearbox parking system is achieved, meanwhile, excessively many virtual gears are prevented from being set, and the input requirement of the parking system is lowered.
Description
Technical field
The utility model relates to Vehicle Engineering technical field, relates in particular to a kind of automatic transmission case parking system for automobile.The utility model also relates to a kind of automobile that comprises above-mentioned automatic transmission case parking system.
Background technique
The effect of parking braking is when automobile is during in park, pins transmission shaft or trailing wheel, avoids slipping car, the safety while ensureing vehicle stop state.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is a kind of structural representation of typical automatic transmission case parking system; Fig. 2 is the side view of automatic transmission case parking system shown in Fig. 1.
In prior art, a kind of typical automatic transmission case parking system comprises the drag-line plate 12 being connected with gear shift operation bar by drag-line ball 11, this drag-line plate 12 is provided with rocker plate 14 away from one end of drag-line ball 11 by pitman arm shaft 13, the lower end of rocker plate 14 is provided with push rod 15, the other end of this push rod 15 is provided with ratchet 19, between push rod 15 and ratchet 19, be provided with the guide plate 16 being installed on parking base 17 and carry out pin 18, the other end of ratchet 19 is installed on ratchet base 111 by detent pin 110, and return spring support 112 is installed on ratchet base 111, return spring 113 is installed on this return spring support 112 and is fixed on ratchet 19 with its one end, ratchet 19 engages with parking ratchet wheel 115 by the projection at its middle part, parking ratchet wheel 115 is fastenedly connected with output shaft spline.
In parking process, pull by hand gear shift operation bar and drive the drag-line plate motion with its connection, thereby drive push rod to move upward, and then drive ratchet to engage with parking ratchet wheel, thereby the rotation of restriction parking ratchet wheel, limits output shaft rotation, then to realize parking.
But in above-mentioned automatic transmission case parking system, drag-line plate is connected with the gear shift operation bar of car load, need to rely on manually-operable to realize parking, cannot automatic parking, and parking system only works at P shelves, too much virtual gear is set, causes parking system input requirements to uprise; Meanwhile, above-mentioned ratchet is in cantilever position, and ratchet head exists certain swing, and the parts of periphery are impacted, and causes ratchet unbalance stress, to impacting the working life of ratchet; And push rod is also in cantilever position, the angle of swing is larger, easily causes parking to lose efficacy under limited conditions; In addition, above-mentioned return spring is arranged on ratchet base by return spring support, and structure is comparatively complicated, and takies the shell intracorporeal space of gearbox, has reduced space availability ratio.
Therefore, how to realize automatic parking, improve the automaticity of automatic transmission case parking system, and avoid the setting of too much virtual gear, reduce the input requirements of parking system, need the problem of solution with regard to becoming those skilled in the art badly.
Model utility content
The purpose of this utility model is to provide a kind of automatic transmission case parking system of automobile, it can realize automatic parking, thereby realize the automaticity of automatic transmission case parking system, avoided the setting of too much virtual gear simultaneously, reduced the input requirements of parking system.Another object of the present utility model is to provide a kind of automobile that comprises above-mentioned automatic transmission case parking system.
To achieve these goals, the utility model provides a kind of automatic transmission case parking system of automobile, comprise with the parking ratchet wheel of output shaft spline joint, with described parking ratchet wheel engagement or the ratchet separating, promote described ratchet to the push rod assembly near described parking ratchet wheel direction motion, and pulling described ratchet to the return spring away from described parking ratchet wheel direction motion, one end riveted joint of the push rod of described push rod assembly has rocker plate;
Also comprise the parking hydraulic plate that offers parking groove and non-parking groove, one end of described parking hydraulic plate is installed on the piston of oil hydraulic cylinder, described parking groove is arranged at the below of described non-parking groove, and described rocker plate is moved along parking hydraulic plate under the effect of described push rod, and be connected in described parking groove or described non-parking groove;
Also comprise Detecting element and control unit; Described Detecting element detects the travelling state of described automobile, and the travelling state signal detecting is sent to described control unit, described control unit judges described travelling state signal, in the time that described travelling state signal is parking signal, the piston of oil hydraulic cylinder moves upward described in described control unit control; In the time that described travelling state signal is non-parking signal, the piston of oil hydraulic cylinder moves downward described in described control unit control.
Preferably, described push rod is plugged in the feature holes of offering on gear box casing away from one end of described rocker plate.
Preferably, described ratchet is positioned on the characteristic face of offering on gear box casing away from one end of described push rod assembly.
Preferably, one end of described return spring is installed on gear box casing, and the other end is installed on the head of described ratchet.
Preferably, described push rod assembly comprises the execution pin that is installed on described push rod, and described execution pin is press-fited to the preloading spring in described push rod.
Preferably, described parking hydraulic plate is provided with parking locating stud away from a side of described rocker plate.
Preferably, the displacement transducer of its displacement of installation and measuring in described parking hydraulic plate.
Preferably, described parking hydraulic plate is connected by linear bearing with gear box casing.
The utility model also provides a kind of automobile, comprises gear box casing and is installed on the automatic transmission case parking system in described gear box casing, and described automatic transmission case parking system is automatic transmission case parking system as above.
The automatic transmission case parking system that the utility model provides is for automobile, this automatic transmission case parking system comprises with the parking ratchet wheel of output shaft spline joint, with described parking ratchet wheel engagement or the ratchet separating, promotes described ratchet to the push rod assembly near described parking ratchet wheel direction motion, and pulling described ratchet to the return spring away from described parking ratchet wheel direction motion, one end riveted joint of the push rod of described push rod assembly has rocker plate; Also comprise the parking hydraulic plate that offers parking groove and non-parking groove, one end of described parking hydraulic plate is installed on the piston of oil hydraulic cylinder, described parking groove is arranged at the below of described non-parking groove, and described rocker plate is moved along parking hydraulic plate under the effect of described push rod, and be connected in described parking groove or described non-parking groove; Also comprise Detecting element and control unit; Described Detecting element detects the travelling state of described automobile, and the travelling state signal detecting is sent to described control unit, described control unit judges described travelling state signal, in the time that described travelling state signal is parking signal, the piston of oil hydraulic cylinder moves upward described in described control unit control; In the time that described travelling state signal is non-parking signal, the piston of oil hydraulic cylinder moves downward described in described control unit control.
In the course of the work, the travelling state signal detecting is real-time transmitted to control unit by Detecting element; In the time of vehicle stop, control unit judges that travelling state signal is parking signal, now, the piston of control unit control oil hydraulic cylinder moves upward, and drives the parking hydraulic plate being connected with piston to move upward, and forces one end of rocker plate to be deviate from non-parking groove, and along with moving in parking hydraulic plate; rocker plate is along the plate face arc sliding of parking hydraulic plate, and in the time that rocker plate slides into parking groove location, rocker plate is connected in parking groove; Meanwhile, rocker plate is rotated corresponding angle thereupon, and promotes push rod assembly motion, thereby promotes ratchet to the direction motion near parking ratchet wheel, and in the time that rocker plate is connected in parking groove location, parking ratchet wheel is engaged in parking ratchet wheel.
In the time of vehicle setting in motion, control unit judges that travelling state signal is non-parking signal, and now, the piston of control unit control oil hydraulic cylinder moves downward, drive the parking hydraulic plate being connected with piston to move downward, rocker plate slides into non-parking groove location from parking groove location; Meanwhile, rocker plate rotates backward at any time to predetermined angle, and drives push rod assembly to the direction motion away from ratchet, thereby separates with ratchet, and ratchet departs from parking ratchet wheel under the effect of return spring.
Like this, automatic transmission case parking system provided by the utility model can be realized automatic parking, thereby has realized the automaticity of automatic transmission case parking system, has avoided the setting of too much virtual gear simultaneously, has reduced the input requirements of parking system.
One preferred embodiment in, in automatic transmission case parking system provided by the utility model, its push rod is plugged in away from one end of rocker plate in the feature holes of offering on gear box casing, thereby define the range of movement of rocker plate by feature holes, avoid push rod in cantilever position, limit the pendulum angle of rocker plate, improved parking reliability.
In another preferred embodiment, in automatic transmission case parking system provided by the utility model, one end of its return spring is installed on gear box casing, and the other end is installed on the head of described ratchet; Like this, utilize the self structure of gear box casing to realize the installation of return spring, save the auxiliary mounting structure such as support, thereby simplified the mounting structure of return spring, improved the utilization ratio of transmission housing intracorporeal space.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present application or technological scheme of the prior art, to the accompanying drawing of required use in embodiment be briefly described below, apparently, the accompanying drawing the following describes is only some embodiments that record in the utility model, for those of ordinary skill in the art, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is a kind of structural representation of typical automatic transmission case parking system;
Fig. 2 is the side view of automatic transmission case parking system shown in Fig. 1;
Fig. 3 is the main optical axis mapping of a kind of embodiment of automatic transmission case parking system provided by the utility model;
Fig. 4 is the left optical axis mapping of automatic transmission case parking system shown in Fig. 3;
Fig. 5 is the axonometric drawing of overlooking of automatic transmission case parking system shown in Fig. 3.
Description of reference numerals:
In Fig. 1-Fig. 2:
11-is drag-line ball, 12-drag-line plate, 13-pitman arm shaft, 14-rocker plate, 15-push rod, 16-guide plate, 17-parking base, 18-carries out pin, 19-park pawl, 110-detent pin, 111-ratchet base, 112-return spring support, 113-return spring, 114-gear shift locating stud, 115-parking ratchet wheel.
In Fig. 3-Fig. 5:
21-parking gear, 22-ratchet, 23-detent pin, 24-snap ring, 25-linear bearing, 26-parking hydraulic plate, 27-parking locating stud, 28-displacement transducer, 29-rocker plate, 210-preloading spring, 213-carries out pin, 214-characteristic face, 215-feature holes, 216-push rod, 217-return spring, 218-rivets axle, 219-pitman arm shaft, 220-rocking arm pad, 221-rocking arm snap ring.
Embodiment
Core of the present utility model is to provide a kind of automatic transmission case parking system of automobile, it can realize automatic parking, thereby realize the automaticity of automatic transmission case parking system, avoided the setting of too much virtual gear simultaneously, reduced the input requirements of parking system.Another core of the present utility model is to provide a kind of automobile that comprises above-mentioned automatic transmission case parking system.
In order to make those skilled in the art understand better the technical solution of the utility model, below in conjunction with accompanying drawing, the utility model is further detailed.
Please refer to Fig. 3 to Fig. 5, Fig. 3 is the main optical axis mapping of a kind of embodiment of automatic transmission case parking system provided by the utility model; Fig. 4 is the left optical axis mapping of automatic transmission case parking system shown in Fig. 3; Fig. 5 is the axonometric drawing of overlooking of automatic transmission case parking system shown in Fig. 3.
In a kind of embodiment, the automatic transmission case parking system that the utility model provides is for automobile, this automatic transmission case parking system comprises the ratchet 22 that engages or separate with the parking ratchet wheel 21 of output shaft spline joint, with described parking ratchet wheel 21, promotes described ratchet 22 to the push rod assembly near described parking ratchet wheel 21 directions motions, and pull described ratchet 22 to the return spring 217 away from described parking ratchet wheel 21 direction motions, one end riveted joint of the push rod 216 of described push rod assembly has rocker plate 29, and push rod 216 can rotate around riveted joint axle 218; Also comprise the parking hydraulic plate 26 that offers parking groove and non-parking groove, one end of described parking hydraulic plate 26 is installed on the piston of oil hydraulic cylinder, described parking groove is arranged at the below of described non-parking groove, and described rocker plate 29 is moved along parking hydraulic plate 26 under the effect of described push rod 216, and be connected in described parking groove or described non-parking groove; Also comprise Detecting element and control unit; Described Detecting element detects the travelling state of described automobile, and the travelling state signal detecting is sent to described control unit, described control unit judges described travelling state signal, in the time that described travelling state signal is parking signal, the piston of oil hydraulic cylinder moves upward described in described control unit control; In the time that described travelling state signal is non-parking signal, the piston of oil hydraulic cylinder moves downward described in described control unit control.
In the course of the work, the travelling state signal detecting is real-time transmitted to control unit by Detecting element; In the time of vehicle stop, control unit judges that travelling state signal is parking signal, now, the piston of control unit control oil hydraulic cylinder moves upward, and drives the parking hydraulic plate 26 being connected with piston to move upward, and forces one end of rocker plate 29 to be deviate from non-parking groove, and along with moving in parking hydraulic plate 26; rocker plate 29 is along the plate face arc sliding of parking hydraulic plate 26, and in the time that rocker plate 29 slides into parking groove location, rocker plate 29 is connected in parking groove; Meanwhile, rocker plate 29 is rotated corresponding angle thereupon, and promotes push rod assembly motion, thereby promotes ratchet 22 to the direction motion near parking ratchet wheel 21, and in the time that rocker plate 29 is connected in parking groove location, parking ratchet wheel 21 is engaged in parking ratchet wheel 21.
In the time of vehicle setting in motion, control unit judges that travelling state signal is non-parking signal, and now, the piston of control unit control oil hydraulic cylinder moves downward, drive the parking hydraulic plate 26 being connected with piston to move downward, rocker plate 29 slides into non-parking groove location from parking groove location; Meanwhile, rocker plate 29 rotates backward at any time to predetermined angle, and drives push rod assembly to the direction motion away from ratchet 22, thereby separates with ratchet 22, and ratchet 22 departs from parking ratchet wheel 21 under the effect of return spring 217.
Like this, automatic transmission case parking system provided by the utility model can be realized automatic parking, thereby has realized the automaticity of automatic transmission case parking system, has avoided the setting of too much virtual gear simultaneously, has reduced the input requirements of parking system.
With existing structure in the same manner, above-mentioned ratchet 22 should be sleeved in detent pin 23, and can rotate around detent pin 23, and detent pin 23 is fixed on gear box casing by snap ring 24.
Particularly, above-mentioned rocker plate 29 one end are connected with push rod 216 by riveted joint, and rocker plate 29 is fastenedly connected with riveted joint axle 218.Intermediate portion and pitman arm shaft 219 flush rivetings are fastenedly connected, and the other end makes it move along parking hydraulic plate 26 arc grooves by riveted joint.Pitman arm shaft 219 is arranged on gear box casing by rocking arm snap ring 221 and rocking arm pad 220.
In above-mentioned embodiment, the push rod 216 of automatic transmission case parking system provided by the utility model is plugged in away from one end of rocker plate 29 in the feature holes 215 of offering on gear box casing, thereby define the range of movement of rocker plate 29 by feature holes 215, avoid push rod 216 in cantilever position, the pendulum angle that has limited rocker plate 29, has improved parking reliability.
Further, above-mentioned ratchet 22 is positioned over away from one end of described push rod assembly on the characteristic face 214 of offering on gear box casing; The degrees of freedom of restriction ratchet 22, avoids ratchet 22 heads to occur excessively to swing, thereby avoided ratchet 22 to move, the parts of periphery is impacted, and makes ratchet 22 stressed evenly, has extended the working life of ratchet 22.
One end of above-mentioned return spring 217 is installed on gear box casing, and the other end is installed on the head of described ratchet 22; Like this, utilize the self structure of gear box casing to realize the installation of return spring 217, save the auxiliary mounting structure such as support, thereby simplified the mounting structure of return spring 217, improved the utilization ratio of transmission housing intracorporeal space.
Described push rod assembly comprises carries out pin 213, push rod 216, preloading spring 210.Carry out pin 213 and be arranged on push rod 216 by preloading spring 210 pretightening forces and the local belling of push rod, push rod 216 one end are placed in housing feature holes 215, and the other end is connected with rocker plate 29 by flush riveting, and push rod 216 can rotate around riveted joint axle 218.
Described parking hydraulic plate 26 is arranged on gear box casing by linear bearing 25, and neutral position arranges gearshift groove, accurately locates by being arranged on away from the parking locating stud 27 of rocker plate 29 1 sides.The hydraulic plate of parking simultaneously 26 is installed the displacement transducer 28 of its displacement of oil detection, realizes displacement signal control.
Except above-mentioned automatic transmission case parking system, the utility model also provides a kind of automobile that comprises above-mentioned automatic transmission case parking system, and other each several part structures of this automobile please refer to prior art, do not repeat them here.
Only by the mode of explanation, some example embodiment of the present utility model is described above, undoubtedly, for those of ordinary skill in the art, in the situation that not departing from spirit and scope of the present utility model, can revise described embodiment by various mode.Therefore, above-mentioned accompanying drawing is illustrative with being described in essence, should not be construed as the restriction to the utility model claim protection domain.
Claims (9)
1. the automatic transmission case parking system of an automobile, comprise with the parking ratchet wheel (21) of output shaft spline joint, with described parking ratchet wheel (21) engagement or the ratchet (22) separating, promote described ratchet (22) to the push rod assembly near the motion of described parking ratchet wheel (21) direction, and pulling described ratchet (22) to the return spring (217) away from the motion of described parking ratchet wheel (21) direction, one end riveted joint of the push rod (216) of described push rod assembly has rocker plate (29); It is characterized in that,
Also comprise the parking hydraulic plate (26) that offers parking groove and non-parking groove, one end of described parking hydraulic plate (26) is installed on the piston of oil hydraulic cylinder, described parking groove is arranged at the below of described non-parking groove, and described rocker plate (29) is moved along parking hydraulic plate (26) under the effect of described push rod (216), and is connected in described parking groove or described non-parking groove;
Also comprise Detecting element and control unit; Described Detecting element detects the travelling state of described automobile, and the travelling state signal detecting is sent to described control unit, described control unit judges described travelling state signal, in the time that described travelling state signal is parking signal, the piston of oil hydraulic cylinder moves upward described in described control unit control; In the time that described travelling state signal is non-parking signal, the piston of oil hydraulic cylinder moves downward described in described control unit control.
2. automatic transmission case parking system according to claim 1, is characterized in that, described push rod (216) is plugged in the feature holes (215) of offering on gear box casing away from one end of described rocker plate (29).
3. automatic transmission case parking system according to claim 1, is characterized in that, described ratchet (22) is positioned on the characteristic face (214) of offering on gear box casing away from one end of described push rod assembly.
4. automatic transmission case parking system according to claim 1, is characterized in that, one end of described return spring (217) is installed on gear box casing, and the other end is installed on the head of described ratchet (22).
5. according to the automatic transmission case parking system described in claim 1 to 4 any one, it is characterized in that, described push rod assembly comprises the execution pin (213) that is installed on described push rod (216), and described execution pin (213) is press-fited to the preloading spring (210) in described push rod (216).
6. according to the automatic transmission case parking system described in claim 1 to 4 any one, it is characterized in that, described parking hydraulic plate (26) is provided with parking locating stud (27) away from a side of described rocker plate (29).
7. according to the automatic transmission case parking system described in claim 1 to 4 any one, it is characterized in that the displacement transducer (28) of upper its displacement of installation and measuring of described parking hydraulic plate (26).
8. according to the automatic transmission case parking system described in claim 1 to 4 any one, it is characterized in that, described parking hydraulic plate (26) is connected by linear bearing (25) with gear box casing.
9. an automobile, comprises gear box casing and is installed on the automatic transmission case parking system in described gear box casing, it is characterized in that, described automatic transmission case parking system is the automatic transmission case parking system as described in claim 1 to 8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420326033.0U CN203906764U (en) | 2014-06-18 | 2014-06-18 | Automobile and automatic gearbox parking system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420326033.0U CN203906764U (en) | 2014-06-18 | 2014-06-18 | Automobile and automatic gearbox parking system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203906764U true CN203906764U (en) | 2014-10-29 |
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ID=51781045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420326033.0U Expired - Fee Related CN203906764U (en) | 2014-06-18 | 2014-06-18 | Automobile and automatic gearbox parking system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203906764U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019226A (en) * | 2014-06-18 | 2014-09-03 | 安徽江淮汽车股份有限公司 | Automobile and automatic transmission parking system thereof |
| CN112128369A (en) * | 2019-06-24 | 2020-12-25 | 舍弗勒技术股份两合公司 | Parking mechanism |
-
2014
- 2014-06-18 CN CN201420326033.0U patent/CN203906764U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019226A (en) * | 2014-06-18 | 2014-09-03 | 安徽江淮汽车股份有限公司 | Automobile and automatic transmission parking system thereof |
| CN112128369A (en) * | 2019-06-24 | 2020-12-25 | 舍弗勒技术股份两合公司 | Parking mechanism |
| CN112128369B (en) * | 2019-06-24 | 2024-06-04 | 舍弗勒投资(中国)有限公司 | Parking mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20190618 |
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| CF01 | Termination of patent right due to non-payment of annual fee |