CN201291850Y - Parking mechanism of automobile and speed changer having the same - Google Patents
Parking mechanism of automobile and speed changer having the same Download PDFInfo
- Publication number
- CN201291850Y CN201291850Y CNU2008201469083U CN200820146908U CN201291850Y CN 201291850 Y CN201291850 Y CN 201291850Y CN U2008201469083 U CNU2008201469083 U CN U2008201469083U CN 200820146908 U CN200820146908 U CN 200820146908U CN 201291850 Y CN201291850 Y CN 201291850Y
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- CN
- China
- Prior art keywords
- parking mechanism
- push rod
- ratchet
- automotive
- shelves
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to an automobile parking mechanism and a speed changer which comprises the parking mechanism. The automobile parking mechanism comprises a P-gear motor, a motor shaft, a position-limiting mechanism, a torsion spring, a pawl, a pushing rod and a ratchet wheel; the motor shaft is connected with the P-gear motor, the pushing rod can push the pawl, and the ratchet wheel can be occluded with the pawl; wherein the parking mechanism further comprises a P-gear rotating shaft connecting piece, the P-gear rotating shaft connecting piece is connected with the pushing rod in a rotating manner, the pushing rod is leaned on the pawl, and the pawl is installed on a shell body of the automobile speed changer in a rotating manner; one end of the torsion spring is stretched into the pawl, and the other end is fixed on the shell body of the automobile speed changer; the position-limiting mechanism is fixedly connected on the motor shaft; and the parking mechanism is installed in the speed changer by the shell body of the speed changer. As to speed changers in different structures, when the automobile parking mechanism is installed, the relative position and angle of a positioning plate and the P-gear rotating shaft connecting piece on the motor shaft can be freely adjusted according to the specific structure and space arrangement of the speed changer. Therefore, the automobile parking mechanism has high flexibility and practicability.
Description
Technical field
The utility model belongs to the speed control system of car technical field, relates in particular to the P shelves halting mechanism in a kind of speed control system of car.
Background technology
Along with the continuous development of technology, the improving constantly of people's living standard, automobile becomes the requisite vehicle of the daily trip of a lot of people already.Existing automobile mainly is divided into automatic transmission and manual two classes according to the difference of gear changing mode.Because automatic gear car is simple to operation, has obtained increasing people's favor, in general, mainly is provided with gears such as R shelves, D shelves, P shelves and N shelves on the automatic gear car.Wherein, the P shelves, promptly the Parking shelves utilize mechanical device to reach the purpose of Parking with being contained in the ratchet interlock on the transmission shaft exactly.
Prior art provides a kind of Automotive parking mechanism, consults illustrated in figures 1 and 2ly, it comprises gearshift, torsion spring 5 ', ratchet 6 ', can promote this ratchet push rod 4 ' and can with the ratchet 9 ' of this ratchet interlock.Gearshift comprises motor (not shown), axle drive shaft (not shown), retainer spring steel disc 11 ' and rotating disk 12 ', retainer spring steel disc 11 ' is by being bolted on the Automotive transmission housing 7 ', motor is connected with axle drive shaft, axle drive shaft is located on the rotating disk 12 ', and can drive this rotating disk 12 ' rotation.Have two to be respectively put into gear position and the positioning groove 121 ' that moves back P PARK Position P on the rotating disk 12 ', retainer spring steel disc 11 ' can snap in this positioning groove 121 '.Push rod 4 ' is resisted against on the ratchet 6 ', ratchet 6 ' rotating being installed on the Automotive transmission housing 7 ', and an end of torsion spring 5 ' stretches in the ratchet 6 ', and the other end then is fixed on the described Automotive transmission housing 7 '.
During work, according to shifting commands, thereby the driven by motor axle drive shaft rotates rotating disk 12 ', and retainer spring steel disc 11 ' snaps in the corresponding positioning groove 121 ', is connected the push rod 4 ' motion downward or upward under guide piece (not shown) directional tagging on the rotating disk 12 '.The conical surface of ratchet 6 ' and push rod 4 ' bottom contact, under push rod 4 ' effect ratchet 6 ' with ratchet 9 ' interlock or separate, thereby implement engage a gear or move back shelves, and the reliability of maintenance gear does not take place out of supply.When the needs gear shift, drive the confining force that rotating disk 12 ' overcomes retainer spring steel disc 11 ' by axle drive shaft again, make retainer spring steel disc 11 ' enter another positioning groove 121 ' from a positioning groove 121 '.
This halting mechanism, rotating disk 12 ' both can promote push rod 4 ' motion, while also can be undertaken spacing by spring steel plate 11 ', though saved the space, has saved material, but because promotion and the spacing rotating disk 12 ' that all passes through are finished, its alerting ability is received considerable restraint, can not the free adjustment pushing mechanism and the position of stop gear, and therefore this structure can not be applicable in the change-speed box of various complexity, can only be used in the specific change-speed box, so practicality is subjected to certain restriction.
The utility model content
A purpose of the present utility model is to overcome deficiency of the prior art provides a kind of Automotive parking mechanism, its space structure can be according to the structure free adjustment of change-speed box when mounted, and another purpose of the present utility model provides the change-speed box that comprises this halting mechanism.
The technical scheme that the utility model adopted is: a kind of Automotive parking mechanism is provided, it comprises P shelves motor, with P shelves motor bonded assembly motor shaft, stop gear, torsion spring, ratchet, can promote this ratchet push rod and can with the ratchet of this ratchet interlock, wherein, also comprise P shelves rotating shaft joint piece, described P shelves rotating shaft joint piece and described push rod are rotationally connected, described push rod is resisted against on the ratchet, ratchet is rotating to be installed on the Automotive transmission housing, one end of torsion spring stretches in the ratchet, the other end then is fixed on the described Automotive transmission housing, described stop gear comprises locating plate and the leaf spring that cooperates with locating plate, and described locating plate and described P shelves rotating shaft attaching parts are fixedly connected on respectively on the described motor shaft.
Described Automotive parking mechanism is installed in the described change-speed box by described case of transmission.
Adopt after such structure, when different change-speed boxs need be installed this halting mechanism, can adjust locating plate and relative position and the angle of P shelves rotating shaft joint piece on motor shaft according to the concrete space and the structure of change-speed box, realize the installation of Automotive parking mechanism.Therefore the utility model structure is flexible, can freely adjust before installing, and has reduced installation difficulty, is fit to the change-speed box of different structure, has very big practicality.
Description of drawings
Fig. 1 is the structural representation of the Automotive parking mechanism that provides of prior art;
Fig. 2 is the top structure scheme drawing of ratchet portions among Fig. 1;
Fig. 3 is the structural representation of a kind of embodiment of the utility model;
Fig. 4 is the structural representation of the utility model stop gear;
Fig. 5 is the locations of structures scheme drawing of the utility model P shelves rotating shaft joint piece;
Fig. 6 is the structural representation of the utility model push rod.
The specific embodiment
In order to make technical problem to be solved in the utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As Fig. 3, the utility model comprises P retaining motor bearing 14, by P shelves motor bearing 14 be connected to P shelves motor 1 on the case of transmission, with P shelves motor 1 bonded assembly motor shaft 4, be fixedly connected on stop gear on the motor shaft 4 and P shelves rotating shaft joint piece 5, the push rod 6 that is rotatably connected with described P shelves rotating shaft joint piece 5 and with orienting sleeve 7, P shelves bearing 8, ratchet 12 and the ratchet 11 of push rod 6 cooperatings, the bottom of described push rod 6 is provided with a conical surface 611, as shown in Figure 6.Described ratchet 12 is by locating dowel pin 13 rotating being connected on the case of transmission, and described ratchet 11 is connected on the propeller-shaft 15, and the utility model also comprises torsion spring 9.
Stop gear comprises locating plate 3 and leaf spring 2, described locating plate 3 is fixedly connected on the described motor shaft 4, described leaf spring 2 is bolted to connection on case of transmission, locating plate 3 is provided with two and is respectively put into gear position and the positioning groove 311 that moves back P PARK Position P, leaf spring 2 can snap in this positioning groove 311, as shown in Figure 4.
In conjunction with Fig. 3 and shown in Figure 5, described P shelves rotating shaft joint piece 5 one ends are fixedly connected on the described motor shaft 4, the described push rod 6 of the rotating connection of the other end, described push rod 6 is resisted against on the described ratchet 12, ratchet 12 is by locating dowel pin 13 rotating being installed on the Automotive transmission housing, one end of torsion spring 9 stretches in the ratchet 12, the other end then is fixed on the described Automotive transmission housing by torsion spring supporting pin 10, torsion spring 9 can play the return effect, under motoring condition, torsion spring 9 is subjected to the effect of predeformation power, can effectively prevent ratchet 12 and ratchet 11 interlocks, and guarantee that Automotive parking mechanism is in released state.
When described Automotive parking mechanism is worked, according to shifting commands, P shelves motor 1 drives motor shaft 4 and rotates, motor shaft 4 drives locating plate 3 and rotates, leaf spring 2 snaps on the locating plate 3 in the corresponding positioning groove 311, motor shaft 4 drives 5 rotations of P shelves rotating shaft joint piece simultaneously, be connected the motion up or down under the directional tagging of orienting sleeve 7 of P shelves rotating shaft joint piece 5 upper push-rods 6, in P shelves bearing 8, ratchet 12 contacts with the conical surface 611 of push rod 6 bottoms, under push rod 6 effect ratchet 12 with ratchet 11 interlocks or separate, thereby realize putting into gear or moving back shelves, and the reliability of maintenance gear, do not take place out of supply.
Further improvement as the aforementioned techniques scheme, can also on aforementioned push rod 6, set up push rod spring 612 and push rod jacking block 613, as Fig. 6, this push rod jacking block 613 slidably is installed in described push rod 6 bottoms, and be resisted against on the described ratchet 12, described push rod spring 612 is sleeved on the described push rod 6, and is resisted against on the described push rod jacking block 613.Like this, when gearshift drives push rods 6 and moves up or down by P shelves rotating shaft joint piece 5, will overcome or discharge the torsion of torsion spring 9 by push rod jacking block 613, the interlock of finishing ratchet 12 and ratchet 11 with separate; When ratchet 12 and ratchet 11 tooth top interlocks, if this moment, push rod 6 still will move downward.Ratchet 12 and ratchet 11 can stop push rod 6 to move downward, and at this moment, push rod spring 612 can be compressed, thereby effectively cushions, and prevents that halting mechanism is damaged.Concrete, push rod spring 612 is a compression spring, when mounted, need carry out precompressed compression to it, the part of push rod 6 can be used as its guide rod.
In the above Automotive parking mechanism, P shelves motor 1 is fixed on the Automotive transmission housing by motor bearing 14, described stop gear is by being bolted on the case of transmission, described ratchet 12 is by locating dowel pin 13 rotating being connected on the case of transmission, described torsion spring 9 also is fixed on the described Automotive transmission housing by torsion spring supporting pin 10, just formed a Automotive transmission in this way with described halting mechanism, therefore described Automotive transmission not only can have been realized the gearshift function in the vehicle traveling process, and has realized the parking function behind the parking of automobile simultaneously.
By above technical scheme, the independent installation and work of stop gear and push rod pushing mechanism have been realized, be that locating plate 3 is fixedly connected on respectively on the motor shaft 4 with P shelves rotating shaft joint piece 5, change-speed box for different structure and space, when this Automotive parking mechanism is installed, can freely regulate the relative position and the angle of locating plate 3 and P shelves rotating shaft joint piece 5 on the motor shaft 4 according to the concrete structure of change-speed box and spatial destribution, the installation of halting mechanism in the realization different structure change-speed box.Therefore, the utility model structure is changeable, can freely adjust according to the structure of change-speed box, has very big alerting ability and practicality.
Claims (8)
1, a kind of Automotive parking mechanism, it comprises P shelves motor (1), with P shelves motor bonded assembly motor shaft (4), stop gear, torsion spring (9), ratchet (12), can promote this ratchet (12) push rod (6) and can with this ratchet (12) ingear ratchet (11), wherein, described push rod (6) is resisted against on the described ratchet (12), described ratchet (12) is rotating to be installed on the Automotive transmission housing, one end of described torsion spring (9) stretches in the described ratchet (12), the other end is fixed on the described Automotive transmission housing, it is characterized in that: described Automotive parking mechanism also comprises P shelves rotating shaft joint piece (5), described P shelves rotating shaft attaching parts (5) one ends are fixedly connected on the described motor shaft (4), the other end is rotating to be connected on the described push rod (6), and described stop gear also is fixedly connected on the described motor shaft (4).
2, Automotive parking mechanism according to claim 1 is characterized in that: described stop gear comprises locating plate (3) and the leaf spring (2) that cooperates with locating plate (3), and described locating plate (3) one ends are fixedly connected on the described motor shaft (4).
3, Automotive parking mechanism according to claim 2 is characterized in that: described locating plate (3) is provided with two positioning grooves (311).
4, Automotive parking mechanism according to claim 3 is characterized in that: described P shelves motor (1) and leaf spring (2) are fixedly connected on respectively on the described Automotive transmission housing.
5, Automotive parking mechanism according to claim 4 is characterized in that: described ratchet (11) is connected on the propeller-shaft (15).
6, according to each described Automotive parking mechanism of claim 1 to 5, it is characterized in that: also be provided with push rod spring (612) and push rod jacking block (613) on the described push rod (6), described push rod jacking block (613) slidably is installed in described push rod (6) bottom, and be resisted against on the described ratchet (12), described push rod spring (612) is sleeved on the described push rod (6), and is resisted against on the described push rod jacking block (613).
7, Automotive parking mechanism according to claim 6 is characterized in that: also being provided with on the described Automotive transmission housing can be to the orienting sleeve (7) of described push rod (6) guiding.
8, a kind of Automotive transmission comprises Automotive parking mechanism, it is characterized in that: described Automotive parking mechanism is any described Automotive parking mechanism of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201469083U CN201291850Y (en) | 2008-08-23 | 2008-08-23 | Parking mechanism of automobile and speed changer having the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201469083U CN201291850Y (en) | 2008-08-23 | 2008-08-23 | Parking mechanism of automobile and speed changer having the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201291850Y true CN201291850Y (en) | 2009-08-19 |
Family
ID=41005316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201469083U Expired - Lifetime CN201291850Y (en) | 2008-08-23 | 2008-08-23 | Parking mechanism of automobile and speed changer having the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201291850Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101654099B (en) * | 2008-08-23 | 2012-05-23 | 比亚迪股份有限公司 | Automobile parking mechanism and speed changer comprising same |
| CN108167401A (en) * | 2017-12-27 | 2018-06-15 | 重庆洲煌传动设备有限公司 | Two shift transmissions |
-
2008
- 2008-08-23 CN CNU2008201469083U patent/CN201291850Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101654099B (en) * | 2008-08-23 | 2012-05-23 | 比亚迪股份有限公司 | Automobile parking mechanism and speed changer comprising same |
| CN108167401A (en) * | 2017-12-27 | 2018-06-15 | 重庆洲煌传动设备有限公司 | Two shift transmissions |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090819 Effective date of abandoning: 20080823 |