CN113404858B - Integrated electronic parking mechanism - Google Patents
Integrated electronic parking mechanism Download PDFInfo
- Publication number
- CN113404858B CN113404858B CN202110837524.6A CN202110837524A CN113404858B CN 113404858 B CN113404858 B CN 113404858B CN 202110837524 A CN202110837524 A CN 202110837524A CN 113404858 B CN113404858 B CN 113404858B
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- CN
- China
- Prior art keywords
- pawl
- cam
- rail bracket
- guide rail
- linear
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- 230000007246 mechanism Effects 0.000 title claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 5
- 239000004744 fabric Substances 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 25
- 238000005452 bending Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/34—Locking or disabling mechanisms
- F16H63/3416—Parking lock mechanisms or brakes in the transmission
- F16H63/3425—Parking lock mechanisms or brakes in the transmission characterised by pawls or wheels
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The invention provides an integrated electronic parking mechanism which is rapid and convenient to assemble and disassemble and reduces the process cost and the quality risk. It comprises the following steps: the ratchet wheel comprises a plurality of locking grooves with ring cloth and is used for controlling the locking and unlocking of the gearbox; a rail bracket pawl drive assembly; a main rotating shaft; the guide rail bracket pawl driving assembly comprises a guide rail bracket, a pawl, a cam component and a linear pushing rod component; the pawl comprises a pawl protruding part and a pivoting end, wherein the pivoting end is connected with the installation side of the guide rail bracket, and the pawl protruding part rotates around through the pivoting end; the pivoting end is provided with a return torsion spring, and the return torsion spring keeps the unlocking position of the pawl from accidentally residing in the locking groove of the ratchet wheel; a cam driving pawl protrusion of the cam assembly enters a locking groove of the ratchet wheel; the cam component is connected with the output end of the linear pushing rod component, and the input end of the linear pushing rod component protrudes outwards from the guide rail bracket and is provided with an input structure.
Description
Technical Field
The invention relates to the technical field of parking mechanisms, in particular to an integrated electronic parking mechanism.
Background
With the development of automobile technology, people gradually increase the importance level of vehicle safety, and the P-gear parking system can lock the vehicle when the vehicle stops or the speed is lower, so that safety accidents caused by sliding of the vehicle in a slope are prevented, and the safety performance is improved. The existing electronic parking mechanism has the defects that when the existing electronic parking mechanism is assembled, a ratchet wheel, a pawl and a push rod, a corresponding parking spring and a corresponding spring limiting assembly are all required to be assembled independently, so that the assembly of the electronic parking mechanism is complex, the subsequent disassembly and assembly operation is not utilized, the process cost is increased, and the quality risk of insufficient installation exists.
Disclosure of Invention
In view of the above problems, the invention provides an integrated electronic parking mechanism, which is convenient and quick to assemble and disassemble, and reduces the process cost and the quality risk.
A compact electronic parking mechanism, comprising:
The ratchet wheel comprises a plurality of locking grooves with ring cloth and is used for controlling the locking and unlocking of the gearbox;
a rail bracket pawl drive assembly;
A main rotating shaft;
the guide rail bracket pawl driving assembly comprises a guide rail bracket, a pawl, a cam component and a linear pushing rod component;
The pawl comprises a pawl protruding part and a pivoting end, wherein the pivoting end is connected with the installation side of the guide rail bracket, and the pawl protruding part rotates around through the pivoting end;
The pivoting end is provided with a return torsion spring, and the return torsion spring keeps the unlocking position of the pawl from accidentally entering the locking groove of the ratchet wheel;
a cam driving pawl protrusion of the cam assembly enters a locking groove of the ratchet wheel;
the cam component is connected with the output end of the linear pushing rod component, and the input end of the linear pushing rod component protrudes out of the guide rail bracket and is provided with an input structure;
The output end of the main rotating shaft is provided with an input gear which is meshed with the input structure and drives the linear pushing rod assembly to linearly act.
It is further characterized by:
The linear pushing rod assembly comprises a push rod and a transmission rod, the connecting positions of the push rod and the transmission rod are fixedly connected through a fixing pin, the output end of the push rod is connected with the cam assembly, the input end of the transmission rod protrudes outwards from the guide rail bracket and is provided with a linear rack, and the input gear is in meshed connection with the linear rack;
the cam assembly comprises a mounting frame, a cam guide outer frame and a cam, wherein the cam is fixedly arranged on the mounting frame, the cam guide outer frame and a corresponding area of the guide bracket form an integral framework, the guide outer frame is provided with a linear guide groove, a side protruding shaft of the cam is embedded in the linear guide groove for arrangement, and a stress end face of the mounting frame, facing to a push rod, is inserted with the push rod;
a bending guide plate is arranged at one end of the guide rail bracket, which is close to the main rotating shaft, a guide groove is arranged in the bending guide plate, the guide groove is shaped like the transmission rod, and the middle part of the transmission rod penetrates through the guide groove to ensure that the transmission rod has a guide support;
One end of the transmission rod, which is far away from the main rotating shaft, is positioned in the surface of the guide support, a guide support block is arranged, the corresponding end of the push rod is supported on the guide support block and fixedly connected with a positioning hole of the transmission rod, the output end of the push rod is sleeved with a linear spring, one end of the linear spring is propped against the stressed end surface, and the other end of the linear spring is propped against the guide support block, so that the whole structure is ensured to be stable and reliable;
The cam is driven forward in a straight line and is used for pressing the upper surface of the pawl protruding part, and the pawl protruding part is pressed towards the locking groove to finish locking operation;
Preferably, a side protruding limit screw is further arranged in the radial direction of the main rotating shaft, and the limit screw is used for rapid limit assembly in the height direction of the main rotating shaft;
Preferably, the thickness area of the pawl is located within the width range of the mounting frame, so that the two sides of the pawl are limited again through the mounting frame.
After the technical scheme is adopted, the guide rail bracket, the pawl, the cam component and the linear pushing rod component in the guide rail bracket pawl driving assembly are assembled in advance, the guide rail bracket is fixedly connected on the vehicle body, namely, the whole electronic parking mechanism only needs to assemble the ratchet wheel, the guide rail bracket pawl driving assembly, the main rotating shaft and the vehicle body, so that the assembly and the disassembly are rapid and convenient, and the process cost and the quality risk are reduced.
Drawings
FIG. 1 is a schematic diagram of a perspective view of the present invention;
FIG. 2 is a schematic diagram of a perspective view of the second embodiment of the present invention;
FIG. 3 is a front elevation cross-sectional view of the present invention;
FIG. 4 is a schematic view of the assembly of the mounting frame and cam of FIG. 1A in accordance with the present invention;
the names corresponding to the serial numbers in the figures are as follows:
Ratchet 100, rail bracket pawl drive assembly 200, main shaft 300, input gear 301
The locking groove 10, the guide rail bracket 20, the bending guide plate 21, the guide groove 22, the pawl 30, the pawl boss 31, the pivoting end 32, the rotating shaft 33, the guide pressing surface 34, the pressing surface 35, the cam assembly 40, the cam 41, the side convex shaft 411, the mounting frame 42, the stress end surface 421, the cam guide outer frame 43, the linear guide groove 431, the inner side plate 44, the outer side cover plate 45, the cam mounting cavity 46, the linear push rod assembly 50, the push rod 51, the transmission rod 52, the guide supporting block 521, the fixing pin 53, the linear rack 54, the return torsion spring 60, the linear spring 70 and the limit screw 80.
Detailed Description
1-4, A compact electronic parking mechanism comprises a ratchet 100, a guide rail bracket pawl driving assembly 200 and a main rotating shaft 300;
The ratchet 100 comprises a plurality of ring cloth locking grooves 10 for controlling the locking and unlocking of the gearbox;
The rail bracket pawl drive assembly 200 includes a rail bracket 20, a pawl 30, a cam assembly 40, a linear push rod assembly 50; the pawl 30 comprises a pawl protruding part 31 and a pivoting end 32, the pivoting end 32 is connected with the installation side of the guide rail bracket 20 through a rotating shaft 33, and the pawl protruding part 31 rotates around the pivoting end; the rotating shaft 33 is provided with a return torsion spring 60, and the return torsion spring 60 keeps the pawl unlocking position from accidentally residing in the locking groove 10 of the ratchet 100;
the cam 41 of the cam assembly 40 drives the pawl boss 31 into the lock recess 10 of the parking ratchet 100;
the cam assembly 40 is connected to the output end of the linear push rod assembly 50, the input end of the linear push rod assembly 50 protrudes outside the rail bracket 20, and is provided with an input structure,
An input gear 301 is arranged at the output end of the main rotating shaft 300, and the input gear 301 is meshed with an input structure to drive the linear pushing rod assembly 50 to linearly act.
The specific implementation method comprises the following steps: the linear pushing rod assembly 50 comprises a pushing rod 51 and a transmission rod 52, the connection positions of the pushing rod 51 and the transmission rod 52 are fixedly connected through a fixing pin 53, the output end of the pushing rod 51 is connected with the cam assembly 40, the input end of the transmission rod 52 protrudes out of the guide rail bracket and is provided with a linear rack 54, and the input gear 301 is meshed with the linear rack 54; the gear and rack transmission precision is reliable, and the reliable and accurate operation is ensured.
The cam assembly 40 comprises a mounting frame 42, a cam guiding outer frame 43 and a cam 41, wherein the cam 41 is fixedly arranged on the mounting frame 42, the cam guiding outer frame 43 and the corresponding area of the guiding bracket 20 form an integral framework, the guiding outer frame 43 is provided with a linear guiding groove 431, a side protruding shaft 411 of the cam 41 is embedded in the linear guiding groove 431, and a push rod 51 is inserted into a force bearing end face 421 of the mounting frame 42, which faces the push rod 51.
In a specific embodiment, a bending guide plate 21 is arranged at one end of the guide rail bracket 20, which is close to the main rotating shaft 300, a guide groove 22 is arranged in the bending guide plate 21, the guide groove 22 is shaped like a transmission rod 52, and the middle part of the transmission rod 52 penetrates through the guide groove 22 to ensure that the transmission rod 52 has a guide support;
One end of the transmission rod 52 far away from the main rotating shaft 300 is positioned in the surface of the guide bracket 20 and is provided with a guide supporting block 521, the corresponding end of the push rod 51 is supported on the guide supporting block 521 and fixedly connected with a positioning hole of the transmission rod 51, the output end of the push rod 51 is sleeved with a linear spring 70, one end of the linear spring 70 is propped against the stressed end surface 421, the other end of the linear spring 70 is propped against the guide supporting block 521, and the whole structure is stable and reliable, and the linear spring 70 is used for buffering and energy storage;
In the specific implementation process, the mounting frame 42 includes an inner side plate 44 and an outer side cover plate 45, the outer side cover plate 45 is covered on the inner side plate 44 to form a cam mounting cavity 46, the outer side cover plate 45 is provided with a stress end surface 421, the cam includes two side protruding shafts 411, and the number of the linear guide grooves 431 is two which are arranged in parallel up and down, so that the cam 41 can only act in the linear direction.
The cam 41 linearly drives the upper surface for pressing the pawl projection 31 forward, the upper surface of the pawl projection is provided with the guide pressing surface 34 and the pressing surface 35, and the pawl projection 31 is pressed toward the lock recess 10 to complete the lock operation.
In specific implementation, a protruding limit screw 80 is further disposed in the radial direction of the main shaft 300, and the limit screw 80 is rapidly assembled in a limited manner in the height direction of the main shaft 300.
In practice, the thickness area of the pawl 30 is within the width of the mounting frame 42, ensuring that both sides of the pawl 30 are again restrained by the mounting frame 42.
The working principle is that a guide rail bracket, a pawl, a cam assembly and a linear push rod assembly in a guide rail bracket pawl driving assembly are assembled in advance, the guide rail bracket is fixedly connected to a vehicle body, namely, the whole electronic parking mechanism only needs to assemble a ratchet wheel, the guide rail bracket pawl driving assembly, a main rotating shaft and the vehicle body, so that the assembly and the disassembly are rapid and convenient, and the process cost and the quality risk are reduced.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (2)
1. An integrated electronic parking mechanism, comprising:
The ratchet wheel comprises a plurality of locking grooves with ring cloth and is used for controlling the locking and unlocking of the gearbox;
a rail bracket pawl drive assembly;
A main rotating shaft;
the guide rail bracket pawl driving assembly comprises a guide rail bracket, a pawl, a cam component and a linear pushing rod component;
The pawl comprises a pawl protruding part and a pivoting end, wherein the pivoting end is connected with the installation side of the guide rail bracket, and the pawl protruding part rotates around through the pivoting end;
The pivoting end is provided with a return torsion spring, and the return torsion spring keeps the unlocking position of the pawl from accidentally entering the locking groove of the ratchet wheel;
a cam driving pawl protrusion of the cam assembly enters a locking groove of the ratchet wheel;
the cam component is connected with the output end of the linear pushing rod component, and the input end of the linear pushing rod component protrudes out of the guide rail bracket and is provided with an input structure;
An input gear is arranged at the output end of the main rotating shaft, and is meshed with the input structure and drives the linear pushing rod assembly to linearly act;
The linear pushing rod assembly comprises a push rod and a transmission rod, the connecting positions of the push rod and the transmission rod are fixedly connected through a fixing pin, the output end of the push rod is connected with the cam assembly, the input end of the transmission rod protrudes outwards from the guide rail bracket and is provided with a linear rack, and the input gear is in meshed connection with the linear rack;
The cam assembly comprises a mounting frame, a cam guiding outer frame and a cam, wherein the cam is fixedly arranged on the mounting frame, the cam guiding outer frame and a corresponding area of the guide rail bracket form an integral framework, the guiding outer frame is provided with a linear guiding groove, a side protruding shaft of the cam is embedded in the linear guiding groove for arrangement, and a stress end face of the mounting frame, facing to a push rod, is inserted with the push rod;
A bending guide plate is arranged at one end of the guide rail bracket, which is close to the main rotating shaft, a guide groove is arranged in the bending guide plate, the guide groove is shaped like the transmission rod, and the middle part of the transmission rod penetrates through the guide groove;
one end of the transmission rod, which is far away from the main rotating shaft, is positioned in the surface of the guide rail bracket and is provided with a guide supporting block, the corresponding end of the push rod is supported on the guide supporting block and is fixedly connected with a positioning hole of the transmission rod, the output end of the push rod is sleeved with a linear spring, one end of the linear spring is propped against the stressed end surface, and the other end of the linear spring is propped against the guide supporting block;
The cam is driven forward in a straight line and is used for pressing the upper surface of the pawl protruding part, and the pawl protruding part is pressed towards the locking groove to finish locking operation;
and a side convex limit screw is further arranged in the radial direction of the main rotating shaft.
2. An integrated electronic parking mechanism as set forth in claim 1 wherein: the thickness area of the pawl is located within the width of the mounting frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110837524.6A CN113404858B (en) | 2021-07-23 | 2021-07-23 | Integrated electronic parking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110837524.6A CN113404858B (en) | 2021-07-23 | 2021-07-23 | Integrated electronic parking mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113404858A CN113404858A (en) | 2021-09-17 |
| CN113404858B true CN113404858B (en) | 2024-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110837524.6A Active CN113404858B (en) | 2021-07-23 | 2021-07-23 | Integrated electronic parking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113404858B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114412989A (en) * | 2022-01-11 | 2022-04-29 | 广东交通职业技术学院 | Hydraulically driven parking mechanism, parking device and vehicle |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN216519547U (en) * | 2021-07-23 | 2022-05-13 | 苏州东风精冲工程有限公司 | Integrated electronic parking mechanism |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425664A (en) * | 2011-09-29 | 2012-04-25 | 重庆长安汽车股份有限公司 | Gear P executing mechanism for speed reducer of Plug-in electric automobile |
| DE102018006667B4 (en) * | 2018-08-23 | 2020-07-09 | Daimler Ag | Parking lock system |
| EP4028680B1 (en) * | 2019-09-13 | 2024-04-24 | Linamar Corporation | Compact park lock assembly |
| CN210949841U (en) * | 2019-09-25 | 2020-07-07 | 深圳臻宇新能源动力科技有限公司 | Parking device for vehicle and vehicle with parking device |
| 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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- 2021-07-23 CN CN202110837524.6A patent/CN113404858B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN216519547U (en) * | 2021-07-23 | 2022-05-13 | 苏州东风精冲工程有限公司 | Integrated electronic parking mechanism |
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| Publication number | Publication date |
|---|---|
| CN113404858A (en) | 2021-09-17 |
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