CN203189708U - Connection mechanism for parking mechanism - Google Patents
Connection mechanism for parking mechanism Download PDFInfo
- Publication number
- CN203189708U CN203189708U CN 201320023842 CN201320023842U CN203189708U CN 203189708 U CN203189708 U CN 203189708U CN 201320023842 CN201320023842 CN 201320023842 CN 201320023842 U CN201320023842 U CN 201320023842U CN 203189708 U CN203189708 U CN 203189708U
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- parking
- ratchet
- push rod
- transmission
- base
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Abstract
The utility model relates to a connection mechanism for a parking mechanism. The connection mechanism for the parking mechanism comprises a parking ratchet wheel, a parking pawl and an executing pin, and further comprises a guide plate and a parking base. The parking ratchet wheel is connected with an output shaft, the parking pawl is meshed with the parking ratchet wheel, the executing pin drives the parking pawl and the parking ratchet wheel to be meshed, according to the parking mechanism, a parking floor is concealed, all parts are directly installed on a shell body of a speed changer, and meanwhile a novel structure and the connection mechanism are adopted to achieve motions of P, R, N, D and S gears of a parking system. The connection mechanism for the parking mechanism is more reasonable in parking system structure, simpler in process and more convenient to assemble, and reduces the requirements for peripheral design.
Description
Technical field
The utility model belongs to automobile technical field, refers to a kind of bindiny mechanism for halting mechanism especially.
Background technique
The Placement of rocker plate and push rod is in disclosed automatic transmission halting mechanism: process circular hole at push rod plush copper end and rocker plate, with straight pin push rod and rocker plate are coupled together then.Straight pin and rocker plate riveted fixing, and push rod can rotate around straight pin.
Above-mentioned Placement has its deficiency.At first, rocker plate is connected with straight pin with push rod, has increased part and manufacturing procedure, and cost increases; Secondly, down, push rod assembly is swing just in working order, does not need to rotate, and does not take full advantage of its kinetic characteristic and designs Placement, and structural design is unreasonable.
The model utility content
The purpose of the utility model patent just provides the Placement of a kind of rocker plate and push rod, can satisfy functional requirement, can reduce manufacturing procedure again, reduces cost.
The utility model is achieved through the following technical solutions:
A kind of bindiny mechanism for halting mechanism comprises the Parking ratchet that is fastenedly connected with output shaft, with the park pawl of Parking ratchet engagement, and the execution pin that drives park pawl and the engagement of Parking ratchet; Described park pawl one end is sleeved on the detent pin, and park pawl can be rotated around detent pin, and the ratchet base also is sleeved on the detent pin, and the ratchet base is installed on the case of transmission;
Return spring is sleeved on the detent pin, and the one end is buckled on the park pawl, and the other end is stuck on the return spring support, and the return spring support is installed on the ratchet base;
Described execution pin utilizes the pretightening force of preloading spring to be installed on the push rod, and the push rod the other end is connected on the rocker plate; Described push rod is for being bent into an angle of 90 degrees structure, and its end close end that is connected with rocker plate is provided with two groups of boss structures that parallel,
Its centre of described rocker plate is connected with pitman arm shaft, and rocker plate one end is connected with push rod, and the other end is provided with positioning groove, accurately locatees gear positions with the gear shift locating stud, and the gear shift locating stud is installed on the case of transmission; The hole that described rocker plate is connected with push rod is waist-shaped hole;
After installation, two groups of boss structures of push rod become cross Placement with the waist-shaped hole of rocker plate;
Described pitman arm shaft passes case of transmission, and the one end is connected with rocker plate, and the other end is connected with the drag-line plate, and the drag-line plate is connected with the drag-line ball;
Described housing, the housing of gear shift locating stud and the housing that pitman arm shaft passes speed changer for installation ratchet base all is not the same side housing of speed changer.
Halting mechanism also includes guide plate and Parking base, and described guide plate and Parking base are installed on the case of transmission; Described execution pin relies on preloading spring to be installed on the push rod, and push rod one end is connected on the rocker plate, and the other end moves between guide plate and Parking base with carrying out pin;
Described park pawl relies on detent pin and the motion of ratchet base restrictive axial.
Described return spring is torsion spring, and the moment of torsion of return spring is that park pawl is rotated towards separating the ratchet direction.
Described ratchet base relies on locating stud and bolt to be installed on the case of transmission.
Described park pawl and rocker plate are plate.
Described guide plate and Parking base rely on bolt to be installed on the case of transmission, and the case of transmission that is used for installation guide plate and Parking base is with the same side housing that the ratchet base is installed.
Distance between two groups of boss structures of push rod is slightly larger than the thickness of slab of rocker plate, does not produce excessive gap on the rocker plate to guarantee that push rod can be installed on.
The beneficial effect that the utility model is compared with prior art is:
At first, cancelled the straight pin between rocker plate and the push rod, reduced part and manufacturing procedure, cost reduces.
Secondly, when rocker plate and push rod assembling, only need boss is relative with waist-shaped hole, just can install, assembling is simple.After the installation, the push rod function is normal.
Description of drawings
Fig. 1 is the structure front schematic view of the utility model patent installment state;
Fig. 2 looks schematic representation for the right side of the utility model patent structure shown in Figure 1;
Fig. 3 is the utility model rocker plate partial schematic diagram;
Fig. 4 is the utility model push rod partial schematic diagram.
Number in the figure is:
1, is the drag-line ball, 2, the drag-line plate, 3, pitman arm shaft, 4, rocker plate, 5, push rod, 6, guide plate, 7, Parking base, 8, carry out pin, 9, park pawl, 10, detent pin, 11, the ratchet base, 12, the return spring support, 13, return spring, 14, the gear shift locating stud, 15, the Parking ratchet, 16, waist-shaped hole, 171,172, boss structure.
Embodiment
Describe embodiment of the present utility model below in detail, described embodiment's example is shown in the drawings, and wherein identical or similar label is represented identical or similar elements or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment who is described with reference to the drawings, only be used for explaining the utility model, and can not be interpreted as restriction of the present utility model.
The bindiny mechanism that is used for halting mechanism as depicted in figs. 1 and 2, described halting mechanism is arranged in the housing of automatic transmission, comprise the Parking ratchet 15 that is fastenedly connected with output shaft, with the park pawl 9 of Parking ratchet 15 engagements, and the execution pin 8 that drives park pawl 9 and 15 engagements of Parking ratchet; Described park pawl 9 is plate, park pawl 9 one ends are sleeved on the detent pin 10, park pawl 9 can be rotated around detent pin 10, ratchet base 11 also is sleeved on the detent pin 10, ratchet base 11 relies on locating studs and bolt to be installed on the case of transmission, and described case of transmission for installation ratchet base 11 is the most close Parking ratchet 15 and a side body parallel with Parking ratchet 15; Described park pawl 9 relies on detent pin 10 and the motion of ratchet base 11 restrictive axial.
Return spring 13 is sleeved on the detent pin 10, and the one end is buckled on the park pawl 9, and the other end is stuck on the return spring support 12, and return spring support 12 is installed on the ratchet base 11; Described return spring 13 is torsion spring, and the moment of torsion of return spring 13 is that park pawl 9 is rotated towards separating Parking ratchet 15 directions.
Halting mechanism also includes guide plate 6 and Parking base 7, and described guide plate 6 and Parking base 7 rely on bolt to be installed on the case of transmission; Described execution pin 8 passes preloading spring and utilizes the pretightening force of preloading spring to be installed on the push rod 5, and push rod 5 one ends are connected on the rocker plate 4, and the other end is with carrying out pin 8 motion between guide plate 6 and Parking base 7; Described push rod 5 is for being bent into an angle of 90 degrees structure, and its end close end that is connected with rocker plate 4 is provided with the two groups of boss structures (171,172) that parallel;
Described rocker plate 4 is plate, and rocker plate 4 its centres are connected with pitman arm shaft 3, and rocker plate 4 one ends are connected with push rod 5, and the other end is provided with positioning groove, accurately locatees gear positions with gear shift locating stud 14, and the hole that described rocker plate 4 is connected with push rod 5 is waist-shaped hole 16;
After installation, two groups of boss structures of push rod become cross Placement with the waist-shaped hole of rocker plate;
Gear shift locating stud 14 is connected on the case of transmission, and the case of transmission that is used for fixed gear shift locating stud 14 is the upper base of speed changer or goes to the bottom;
Described pitman arm shaft 3 passes case of transmission, and the one end is connected with rocker plate 4, and the other end is connected with drag-line plate 2, and drag-line plate 2 is connected with drag-line ball 1.The face that pitman arm shaft 3 passes case of transmission is for being with a housing that joins with the face of the case of transmission that is used for installing ratchet base 11 and the face that is used for the case of transmission of fixed gear shift locating stud 14.
The working method of described halting mechanism is:
Express parking system as Fig. 1 and 2, its working procedure is: when needing Parking, gear shifting handle forwards the P gear to from the R shelves and puts, the gear shift wire drawing drives drag-line ball 1 and rotates a corresponding angle, the drag-line plate 2 that is fastenedly connected with the drag-line ball, the pitman arm shaft 3 that is fastenedly connected with drag-line plate 2, the rocker plate 4 that is fastenedly connected with pitman arm shaft 3 also can be rotated respective angles thereupon; rocker plate 4 upper ends move to P shelves positioning groove from R shelves positioning groove, with gear shift locating stud 14 accurately location P gears put.Simultaneously, rocker plate 4 lower ends promote push rod 5 advances, and the execution pin 8 that is installed on the push rod 5 also can advance at Parking base 7, promotes ratchet 9 and 15 engagements of Parking ratchet, thus the output shaft that locking and Parking ratchet 15 are fastenedly connected.
When withdrawing from the P shelves, gear shifting handle forwards the R gear to from the P shelves and puts, above-mentioned each part moves in the opposite direction, carrying out pin 8 withdraws under ratchet 9, ratchet 9 is under the restoring moment of return spring 13, be close to Parking base 7, ratchet 9 is disengaged with the engagement of Parking ratchet 15, also removes locking with the output shaft that Parking ratchet 15 is fastenedly connected thereupon.
When gear shifting handle is changed between R, N, D, S gear, drag-line ball 1, drag-line plate 2, pitman arm shaft 3, rocker plate 4, push rod 5, carrying out pin 8 all can movement therewith, just under these several motion states, carry out and sell 8 in guide plate 6 motions, can not enter on the Parking base 7, ratchet 9 guarantees near Parking base 7 under the restoring moment of return spring 13, with Parking ratchet 15 misoperation does not take place.
Because the P shelves are 39.605 ° to S shelves drag-line plate 2 pivot angle scopes, the pivot angle scope of push rod 5 is no more than 20 °.Therefore, can directly go out waist-shaped hole in the rocker plate lower end, and with the push rod bending.Squeeze out 2 groups of boss at bending section.During assembling, boss is relative with the hole, and push rod rotates 90 ° and rocker plate formation " ten " font Placement then, both can guarantee the pushrod movement function, can reduce the part processing operation again, reduces cost.
Although illustrated and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that under the situation that does not break away from principle of the present utility model and spirit and can carry out multiple variation, modification, replacement and modification to these embodiments that scope of the present utility model is by claims and be equal to and limit.
Claims (9)
1. bindiny mechanism that is used for halting mechanism is characterized in that: comprise the Parking ratchet that is fastenedly connected with output shaft, with the park pawl of Parking ratchet engagement, and drive the execution pin that park pawl and Parking ratchet mesh; Described park pawl one end is sleeved on the detent pin, and park pawl can be rotated around detent pin, and the ratchet base also is sleeved on the detent pin, and is fastenedly connected on case of transmission;
Return spring is sleeved on the detent pin, and the one end is buckled on the park pawl, and the other end is stuck on the return spring support, and the return spring support is installed on the ratchet base;
Described execution pin utilizes the pretightening force of preloading spring to be installed on the push rod, and the push rod the other end is connected on the rocker plate; Described push rod is for being bent into an angle of 90 degrees structure, and its end close end that is connected with rocker plate is provided with two groups of boss structures that parallel;
Its centre of described rocker plate is connected with pitman arm shaft, and rocker plate one end is connected with push rod, and the other end is provided with positioning groove, and with gear shift locating stud location gear positions, the gear shift locating stud is installed on the case of transmission; The hole that described rocker plate is connected with push rod is waist-shaped hole;
Two groups of boss structures of push rod become cross Placement with the waist-shaped hole of rocker plate;
Described pitman arm shaft passes case of transmission, and the one end is connected with rocker plate, and the other end is connected with the drag-line plate, and the drag-line plate is connected with the drag-line ball;
Described housing, the housing of gear shift locating stud and the housing that pitman arm shaft passes speed changer for installation ratchet base all is not the same side housing of speed changer.
2. the bindiny mechanism for halting mechanism according to claim 1 is characterized in that: described is the most close Parking ratchet and a side body parallel with the Parking ratchet for the case of transmission that the ratchet base is installed; The case of transmission that is used for the fixed gear shift locating stud is the upper base of speed changer or goes to the bottom; The face that pitman arm shaft passes case of transmission is for being with a housing that joins with the face of the case of transmission that is used for installing the ratchet base and the face that is used for the case of transmission of fixed gear shift locating stud.
3. the bindiny mechanism for halting mechanism according to claim 1, it is characterized in that: halting mechanism also includes guide plate and Parking base, and described guide plate and Parking base are installed on the case of transmission; Described execution pin utilizes the pretightening force of preloading spring to be installed on the push rod, and push rod one end is connected on the rocker plate, and the other end moves between guide plate and Parking base with carrying out pin.
4. the bindiny mechanism for halting mechanism according to claim 1 is characterized in that: described park pawl dependence detent pin and the motion of ratchet base restrictive axial.
5. the bindiny mechanism for halting mechanism according to claim 1, it is characterized in that: described return spring is torsion spring, the moment of torsion of return spring is that park pawl is rotated towards separating the ratchet direction.
6. the bindiny mechanism for halting mechanism according to claim 1 is characterized in that: described ratchet base relies on locating stud and bolt to be installed on the case of transmission.
7. the bindiny mechanism for halting mechanism according to claim 1, it is characterized in that: described park pawl and rocker plate are plate.
8. the bindiny mechanism for halting mechanism according to claim 3, it is characterized in that: described guide plate and Parking base rely on bolt to be installed on the case of transmission, and the case of transmission that is used for installation guide plate and Parking base is with the same side housing that the ratchet base is installed.
9. the bindiny mechanism for halting mechanism according to claim 1, it is characterized in that: the distance between two groups of boss structures of push rod is slightly larger than the thickness of slab of rocker plate, does not produce excessive gap on the rocker plate to guarantee that push rod can be installed on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320023842 CN203189708U (en) | 2013-01-17 | 2013-01-17 | Connection mechanism for parking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320023842 CN203189708U (en) | 2013-01-17 | 2013-01-17 | Connection mechanism for parking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203189708U true CN203189708U (en) | 2013-09-11 |
Family
ID=49106569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320023842 Expired - Fee Related CN203189708U (en) | 2013-01-17 | 2013-01-17 | Connection mechanism for parking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203189708U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865362A (en) * | 2012-09-20 | 2013-01-09 | 安徽江淮汽车股份有限公司 | Parking mechanism for automatic transmission |
| 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 |
| CN112145682A (en) * | 2020-09-29 | 2020-12-29 | 苏州东风精冲工程有限公司 | Novel electronic parking mechanism and parking system |
| WO2021184455A1 (en) * | 2020-03-17 | 2021-09-23 | 精进电动科技股份有限公司 | Mechanical unlocking mechanism for electronic parking |
-
2013
- 2013-01-17 CN CN 201320023842 patent/CN203189708U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865362A (en) * | 2012-09-20 | 2013-01-09 | 安徽江淮汽车股份有限公司 | Parking mechanism for automatic transmission |
| CN102865362B (en) * | 2012-09-20 | 2015-05-20 | 安徽江淮汽车股份有限公司 | Parking mechanism for automatic transmission |
| 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 |
| WO2021184455A1 (en) * | 2020-03-17 | 2021-09-23 | 精进电动科技股份有限公司 | Mechanical unlocking mechanism for electronic parking |
| US11761535B2 (en) | 2020-03-17 | 2023-09-19 | Jing-Jin Electric Technologies Co., Ltd. | Mechanical unlocking mechanism for electronic parking |
| CN112145682A (en) * | 2020-09-29 | 2020-12-29 | 苏州东风精冲工程有限公司 | Novel electronic parking mechanism and parking system |
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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: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
|
| 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: 20130911 Termination date: 20190117 |