CN110671497B - Automobile P-gear emergency unlocking mechanism - Google Patents
Automobile P-gear emergency unlocking mechanism Download PDFInfo
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- CN110671497B CN110671497B CN201910940477.0A CN201910940477A CN110671497B CN 110671497 B CN110671497 B CN 110671497B CN 201910940477 A CN201910940477 A CN 201910940477A CN 110671497 B CN110671497 B CN 110671497B
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- limiting
- electromagnetic valve
- unlocking
- rod
- groove
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- 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
- F16H63/3491—Emergency release or engagement of parking locks or brakes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K20/00—Arrangement or mounting of change-speed gearing control devices in vehicles
- B60K20/02—Arrangement or mounting of change-speed gearing control devices in vehicles of initiating means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention relates to an automobile P-gear emergency unlocking mechanism which comprises a fixed seat vertically arranged on an automobile body and a solenoid valve assembly arranged in the automobile body; the method is characterized in that: the middle part of the automobile body is fixed on a transmission component in the automobile body through a rotating shaft, and the unlocking rod is matched with the inner hole of the fixed seat; the electromagnetic valve assembly is provided with an electromagnetic valve lock rod, one end of the transmission member is connected with the electromagnetic valve lock rod on the electromagnetic valve assembly in a matched mode, and the other end of the transmission member corresponds to the lower end of the unlocking rod; the transmission component rotates by pressing the unlocking rod and then drives the electromagnetic valve locking rod to move, so that the P gear emergency unlocking is realized. When a circuit fault cannot normally supply power to the electromagnetic valve or an electrical component of the electromagnetic valve is damaged, and a driver cannot unlock the P gear in a mode of electrifying the electromagnetic valve, the auxiliary electromagnetic valve assembly moves to realize emergency unlocking on the P gear; and the working is reliable, the service life is long, and the installation is convenient and rapid.
Description
Technical Field
The invention relates to an automobile body, in particular to an automobile P-gear emergency unlocking mechanism.
Background
Normally, the P-gear unlocking is realized by stepping down a brake pedal to electrify the electromagnetic valve assembly, so that the electromagnetic valve moves. A P-gear emergency unlocking mechanism is designed on a gear shifting control assembly of some automatic transmission vehicles; when the circuit fault cannot normally supply power to the electromagnetic valve, or the electrical components of the electromagnetic valve are damaged, a driver cannot unlock the P gear in a mode of electrifying the electromagnetic valve; the P gear can be manually unlocked by operating the P gear emergency unlocking mechanism. The existing P-gear emergency unlocking mechanism is complex in structure, low in assembly efficiency and high in cost, and therefore the existing P-gear emergency unlocking mechanism needs to be improved.
Disclosure of Invention
The invention aims to provide an automobile P-gear emergency unlocking mechanism which can realize emergency unlocking on a P gear by assisting a solenoid valve assembly to move when a circuit fault cannot supply power to a solenoid valve normally, or electric appliance parts of the solenoid valve are damaged, and a driver cannot unlock the P gear by electrifying the solenoid valve; and the working is reliable, the service life is long, and the installation is convenient and rapid.
The invention relates to an automobile P-gear emergency unlocking mechanism which comprises a fixed seat vertically arranged on an automobile body and a solenoid valve assembly arranged in the automobile body; the method is characterized in that: the middle part of the automobile body is fixed on a transmission component in the automobile body through a rotating shaft, and the unlocking rod is matched with the inner hole of the fixed seat; the electromagnetic valve assembly is provided with an electromagnetic valve lock rod, one end of the transmission member is connected with the electromagnetic valve lock rod on the electromagnetic valve assembly in a matched mode, and the other end of the transmission member corresponds to the lower end of the unlocking rod; the transmission component rotates by pressing the unlocking rod and then drives the electromagnetic valve locking rod to move, so that the P gear emergency unlocking is realized.
Furthermore, the fixing seat is of a cylindrical structure, the outer side face of the upper end part of the fixing seat is provided with an anti-rotation boss, the middle part of the fixing seat is provided with a limiting groove which runs through the inner hole of the fixing seat and the outer side of the fixing seat, and the inner wall of the fixing seat is longitudinally provided with a guide groove; the limiting groove comprises a transverse limiting groove and a longitudinal limiting groove, the transverse limiting groove is arranged along the circumferential direction of the fixing seat, the lower end of the longitudinal limiting groove is communicated with the transverse limiting groove, and the lower end of the guide groove is communicated with one end, far away from the longitudinal groove, of the transverse limiting groove; the upper end part of the unlocking rod is provided with an elastic limiting part which can deform along the longitudinal direction of the unlocking rod, and the middle part of the unlocking rod is provided with a limiting bulge; the elastic limiting part is provided with a limiting hole, and an anti-rotation boss at the upper end part of the fixing seat is matched with the limiting hole for limiting; the limiting protrusion is matched with the limiting groove for limiting after passing through the guide groove.
Furthermore, one end of the transmission component is provided with a connecting part matched with the electromagnetic valve lock rod, and the other end of the transmission component is provided with an inclined plane; the inner wall of the fixed seat is longitudinally provided with a groove; the lower end of the unlocking rod is provided with a hook-shaped lug which extends out of the lower end of the fixed seat after passing through the groove and corresponds to the inclined plane at the end part of the transmission member.
Furthermore, the upper part of the unlocking rod is provided with a limiting table for preventing the limiting bulge from losing efficacy; the inner hole of the fixed seat is in a step shape with a large upper part and a small lower part; the limiting table is located in the inner hole with the larger inner aperture in the fixed seat.
Further, the elastic limiting part is C-shaped.
Further, the limiting protrusion and the hook-shaped bump are reversely arranged on the unlocking rod; the guide groove is opposite to the notch of the groove.
Further, the unlocking rod is integrally formed by injection molding.
The invention has the beneficial technical effects that:
because the fixed seat is connected on the vehicle body, the transmission component is matched in the vehicle body through the rotating shaft, the unlocking rod is matched with the fixed seat, the lower end of the unlocking rod corresponds to one end of the transmission component, the other end of the transmission component is connected with the electromagnetic valve component, the transmission component rotates by pressing the unlocking rod so as to pull the electromagnetic valve component to move, when the circuit fails, the electromagnetic valve cannot be normally supplied with power, or the electrical component of the electromagnetic valve is damaged, and a driver cannot unlock the P gear in a mode of electrifying the electromagnetic valve, the auxiliary electromagnetic valve component moves so as to realize emergency unlocking of the P gear; because the outer side surface of the fixing seat is provided with an anti-rotation boss, the middle part of the fixing seat is provided with a limiting groove which runs through the inner hole of the fixing seat and the outer side of the fixing seat, the inner wall of the fixing seat is longitudinally provided with a guide groove, the upper end part of the unlocking rod is provided with an elastic limiting part which is matched with the anti-rotation boss and can be longitudinally deformed, and the middle part of the unlocking rod is provided with a limiting bulge, the unlocking rod is ensured to be reliably matched with the; one end of the transmission component is provided with a connecting part matched with the electromagnetic valve lock rod, and the other end of the transmission component is provided with an inclined plane corresponding to the hook-shaped lug, so that the motion reliability of the transmission component is ensured; the upper part of the unlocking rod is provided with the limiting platform, and the inner hole of the fixing seat is in a step shape with a large upper part and a small lower part, so that the impact of the limiting bulge and the bottom of the longitudinal limiting groove on the fixing seat is avoided, the situation that the limiting bulge is damaged and fails in the process of forcibly pressing the unlocking rod is prevented, the working reliability of the unlocking rod is ensured, and the service life of the unlocking rod is prolonged; the structure is simplified, the assembly is convenient and fast, the assembly efficiency is high, the cost is low, and the device can be repeatedly used.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a schematic view of the release lever;
FIG. 4 is a schematic structural view of the fixing base;
fig. 5 is a sectional view a-a of fig. 4.
In the figure: 1-a fixed seat, 2-an unlocking rod, 3-a solenoid valve component, 4-a transmission component and 5-a rotating shaft;
11-anti-rotation boss, 12-limiting groove, 13-guide groove, 14-groove and 15-step surface; 121-transverse limiting groove, 122-longitudinal limiting groove;
21-an elastic limiting part, 22-a limiting bulge, 23-a hook-shaped bump and 24-a limiting table; 211-limiting hole.
31-electromagnetic valve lock rod;
41-inclined plane.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
Referring to fig. 1 to 5, the emergency P-gear unlocking mechanism for the automobile comprises a fixed seat 1 vertically arranged on an automobile body and a solenoid valve assembly 3 arranged in the automobile body; the method is characterized in that: the automobile unlocking device also comprises a transmission component 4 and an unlocking rod 2, wherein the middle part of the transmission component is fixed in the automobile body through a rotating shaft 5; the electromagnetic valve component 3 is provided with an electromagnetic valve lock rod 31, one end of the transmission component 4 is connected with the electromagnetic valve lock rod 31 on the electromagnetic valve component 3 in a matching way, and the other end of the transmission component corresponds to the lower end of the unlocking rod 2; the transmission component 4 rotates to drive the electromagnetic valve lock rod 31 to move by pressing the unlocking rod 2, so that the P gear emergency unlocking is realized. When the circuit fault cannot normally supply power to the electromagnetic valve, or the electrical components of the electromagnetic valve are damaged, a driver cannot unlock the P gear in a mode of electrifying the electromagnetic valve; at the moment, the transmission component 4 rotates around the rotating shaft 5 by pressing the unlocking rod 2, so that the electromagnetic valve locking rod 31 is driven to move, the electromagnetic valve component 3 is assisted to complete movement in a mechanical transmission mode, and the emergency unlocking function of the P gear is realized.
The fixing seat 1 is of a cylindrical structure, the outer side face of the upper end part of the fixing seat 1 is provided with an anti-rotation boss 11, the middle part of the fixing seat is provided with a limiting groove 12 penetrating through an inner hole of the fixing seat 1 and the outer side of the fixing seat 1, and the inner wall of the fixing seat is longitudinally provided with a guide groove 13; the limiting groove 12 comprises a transverse limiting groove 121 arranged along the circumferential direction of the fixing seat 1 and a longitudinal limiting groove 122 with the lower end communicated with the transverse limiting groove 121, and the lower end of the guide groove 13 is communicated with one end of the transverse limiting groove 121 far away from the longitudinal groove 122; the upper end part of the unlocking rod 2 is provided with an elastic limiting part 21 which can deform along the longitudinal direction of the unlocking rod, and the middle part of the unlocking rod is provided with a limiting bulge 22; a limiting hole 211 is formed in the elastic limiting part 21, and the anti-rotation boss 11 at the upper end of the fixing seat 1 is matched with the limiting hole 211 for limiting; the limiting bulge 22 is matched with the limiting groove 12 for limiting after passing through the guide groove 13. The unlocking rod 2 penetrates from the upper end of the fixing seat 1, the limiting protrusion 22 on the unlocking rod 2 slides into the transverse limiting groove 121 along the guide groove 13 on the fixing seat 1, and then the unlocking rod 2 rotates until the limiting protrusion 22 is matched with the longitudinal limiting groove 122; the anti-rotation boss 11 at the upper end of the fixing seat 1 is matched with the limiting hole 211 on the elastic limiting part 21 of the unlocking rod 2 for limiting, when the unlocking rod 2 is pressed, the limiting protrusion 22 moves downwards along the longitudinal limiting groove 122, and when the unlocking rod is released, the limiting protrusion 22 moves upwards along the longitudinal limiting groove 122 for returning due to the restoring force action of the elastic limiting part 21. The unlocking rod 2 moves up and down in the fixing seat 1, and meanwhile, the unlocking rod 2 and the fixing seat 1 do not rotate relatively, so that the movement reliability of the unlocking rod is guaranteed.
One end of the transmission component 4 is provided with a connecting part matched with the electromagnetic valve lock rod 31, and the other end is provided with an inclined surface 41; a groove 14 is formed in the inner wall of the fixed seat 1 along the longitudinal direction; the lower end of the unlocking rod 2 is provided with a hook-shaped lug 23, and the hook-shaped lug 23 extends out of the lower end of the fixed seat 1 after passing through the groove 14 and corresponds to the inclined surface 41 at the end part of the transmission member 4. In the process of pressing the unlocking lever 2, the hook-shaped lug 23 at the lower end of the unlocking lever 2 moves downwards first until contacting the inclined surface 41 at the end of the transmission member 4; when the unlocking rod 2 is continuously pressed, the transmission member 4 can rotate along the rotating shaft 5, and one end of the transmission member 4 is connected with the solenoid valve locking rod 31 on the solenoid valve assembly 3, so that the solenoid valve assembly 3 is driven to complete the movement.
The upper part of the unlocking rod 2 is provided with a limiting table 24 for preventing the limiting bulge 22 from losing efficacy; the inner hole of the fixed seat 1 is in a step shape with a large upper part and a small lower part; the limiting table 24 is positioned in the inner hole with larger inner aperture of the fixed seat 1. When the unlocking rod 2 is pressed to the limit position, the lower surface of the limiting platform 24 of the unlocking rod 2 is closely attached to the step surface of the fixed seat 1 for limiting, so that the limit protrusion 22 is prevented from colliding with the bottom of the longitudinal limit groove 122 on the fixed seat 1; the condition that the limiting protrusion 22 is damaged and fails in the process of forcibly pressing the unlocking rod 2 can be prevented, the working reliability of the unlocking rod is ensured, and the service life of the unlocking rod is prolonged.
The elastic limiting part 21 is C-shaped.
The limiting bulge 22 and the hook-shaped lug 23 are oppositely arranged on the unlocking rod 2; the guide groove 13 is opposite to the notch of the groove 14. Can be convenient for installation and processing.
The unlocking rod 2 is integrally formed by injection molding. The unlocking rod 2 is formed by injection molding of high-toughness plastic, so that the processing is convenient, the production efficiency is high, and the service life is long.
The common fixed seat is arranged on a base of a gear-shifting control assembly of an automobile body and is positioned at a position convenient for a driver to control at a central control box in the automobile
During assembly, the hook-shaped bump 23 on the unlocking rod 2 is aligned to the groove 14 on the inner wall of the fixing seat 1, the limiting protrusion 22 on the unlocking rod 2 is aligned to the guide groove 13 on the inner wall of the fixing seat 1, the unlocking rod 2 is pressed downwards, the limiting protrusion 22 on the unlocking rod 2 slides into the transverse limiting groove 121 along the guide groove 13 on the fixing seat 1, and meanwhile, the hook-shaped bump 23 on the lower end of the unlocking rod 2 penetrates out of the lower end of the fixing seat 1 along the groove 14 on the inner wall of the fixing seat 1; then, the unlocking rod 2 is rotated until the limiting protrusion 22 on the unlocking rod 2 is matched with the longitudinal limiting groove 122 on the fixing seat 1, and then the unlocking rod 2 is lifted upwards, so that the limiting protrusion 22 on the unlocking rod 2 is matched with the upper part of the longitudinal limiting groove 122 on the fixing seat 1; finally, the elastic limiting part 21 of the unlocking rod 2 is pressed, and the anti-rotation boss 11 at the upper end part of the fixing seat 1 is matched with the limiting hole 211 in the elastic limiting part 21 of the unlocking rod 2 for limiting, so that the assembly is completed. The structure is simplified, the assembly is convenient and fast, the assembly efficiency is high, the cost is low, and the device can be repeatedly used.
Claims (4)
1. An emergency unlocking mechanism for a P gear of an automobile comprises a fixed seat (1) vertically arranged on an automobile body and a solenoid valve assembly (3) arranged in the automobile body; the method is characterized in that: the automobile lock further comprises a transmission component (4) and an unlocking rod (2), wherein the middle part of the transmission component is fixed in the automobile body through a rotating shaft (5), and the unlocking rod is matched with an inner hole of the fixed seat (1); the electromagnetic valve assembly (3) is provided with an electromagnetic valve lock rod (31), one end of the transmission component (4) is provided with a connecting part matched with the electromagnetic valve lock rod (31) on the electromagnetic valve assembly (3), and the other end of the transmission component is provided with an inclined plane (41) and corresponds to the lower end of the unlocking rod (2); the transmission component (4) rotates to drive the electromagnetic valve lock rod (31) to move by pressing the unlocking rod (2), so that P gear emergency unlocking is realized;
the fixed seat (1) is of a cylindrical structure, and the inner hole of the fixed seat is in a step shape with a large upper part and a small lower part; an anti-rotation boss (11) is arranged on the outer side surface of the upper end of the fixing seat (1), a limiting groove (12) penetrating through an inner hole of the fixing seat (1) and the outer side of the fixing seat (1) is formed in the middle of the fixing seat, a guide groove (13) and a groove (14) are longitudinally formed in the inner wall of the fixing seat, and the guide groove (13) is opposite to the notch of the groove (14); the limiting groove (12) comprises a transverse limiting groove (121) arranged along the circumferential direction of the fixing seat (1) and a longitudinal limiting groove (122) with the lower end communicated with the transverse limiting groove (121); the lower end of the guide groove (13) is communicated with one end, far away from the longitudinal limiting groove (122), of the transverse limiting groove (121);
the upper end part of the unlocking rod (2) is provided with an elastic limiting part (21) which can deform along the longitudinal direction of the unlocking rod, and the middle part of the unlocking rod is provided with a limiting bulge (22); a limiting hole (211) is formed in the elastic limiting part (21), and an anti-rotation boss (11) at the upper end of the fixing seat (1) is matched with the limiting hole (211) for limiting; the limiting protrusion (22) is matched with the limiting groove (12) for limiting after passing through the guide groove (13);
the lower end of the unlocking rod (2) is also provided with a hook-shaped lug (23), and the hook-shaped lug (23) extends out of the lower end of the fixed seat (1) after passing through the groove (14) and corresponds to an inclined plane (41) at the end part of the transmission member (4); the upper portion of unblock pole (2) still is equipped with spacing platform (24) that are used for preventing spacing arch (22) inefficacy, spacing platform (24) are located in the great hole of fixing base (1) inner bore diameter.
2. The emergency unlocking mechanism for the P gear of the automobile as claimed in claim 1, wherein: the elastic limiting part (21) is C-shaped.
3. The emergency unlocking mechanism for the P gear of the automobile as claimed in claim 1 or 2, wherein: the limiting bulge (22) and the hook-shaped lug (23) are arranged on the unlocking rod (2) in the opposite direction.
4. The emergency unlocking mechanism for the P gear of the automobile as claimed in claim 1 or 2, wherein: the unlocking rod (2) is integrally formed by injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910940477.0A CN110671497B (en) | 2019-09-30 | 2019-09-30 | Automobile P-gear emergency unlocking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910940477.0A CN110671497B (en) | 2019-09-30 | 2019-09-30 | Automobile P-gear emergency unlocking mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110671497A CN110671497A (en) | 2020-01-10 |
| CN110671497B true CN110671497B (en) | 2021-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910940477.0A Active CN110671497B (en) | 2019-09-30 | 2019-09-30 | Automobile P-gear emergency unlocking mechanism |
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| CN (1) | CN110671497B (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3377953B2 (en) * | 1998-11-12 | 2003-02-17 | 富士機工株式会社 | Shift lever operating device for automatic transmission |
| DE102011119747A1 (en) * | 2011-11-30 | 2013-06-06 | Audi Ag | Getriebenotentriegelung |
| CN103671901B (en) * | 2013-12-29 | 2016-02-24 | 长城汽车股份有限公司 | A kind of automatic gear shifting device P keeps off mechanical release device |
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2019
- 2019-09-30 CN CN201910940477.0A patent/CN110671497B/en active Active
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| CN110671497A (en) | 2020-01-10 |
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