CN115264055B - Automobile P-gear emergency unlocking mechanism - Google Patents
Automobile P-gear emergency unlocking mechanism Download PDFInfo
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- CN115264055B CN115264055B CN202210674068.2A CN202210674068A CN115264055B CN 115264055 B CN115264055 B CN 115264055B CN 202210674068 A CN202210674068 A CN 202210674068A CN 115264055 B CN115264055 B CN 115264055B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 86
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- 230000009471 action Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 11
- 230000001681 protective effect Effects 0.000 description 16
- 230000001965 increasing effect Effects 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 2
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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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Abstract
The invention discloses an automobile P-gear emergency unlocking mechanism which comprises a shell, wherein a sliding plate is arranged in the shell, one end of the sliding plate is connected with a stay wire, a first driving component is arranged in the shell, a second transmission rod is connected to the sliding plate, a first shifting finger and a second shifting finger are arranged on the second transmission rod, an included angle exists between projections of the first shifting finger and the second shifting finger in a plane perpendicular to a second shaft, a spring plate is fixedly connected to the second shifting finger, one end of the spring plate is fixedly connected with the sliding plate, a first limiting block is arranged at the other end of the spring plate, and a limiting hole and a second driving component are arranged on the shell. The invention can effectively avoid the P-gear rocker arm homing caused by misoperation in the rescue process, thereby causing serious damage to the vehicle.
Description
Technical Field
The invention discloses a P-gear unlocking mechanism, belongs to the technical field of automobiles, and particularly discloses an automobile P-gear emergency unlocking mechanism.
Background
When the existing vehicle cannot be started, the transmission P-gear structure can be forcedly unlocked, and due to the consideration of safety, the transmission can automatically enter the P-gear locking state after the vehicle is flameout, so that the vehicle can be effectively prevented from sliding, being stolen and the like.
The device directly unlocks the P gear by pulling or pressing the P gear rocker arm, and a component for increasing torque is not needed, so that the situation that the P gear cannot be unlocked when a driver with smaller strength uses the device can be caused; meanwhile, the existing equipment is easy to operate by mistake in use, the P-gear rocker arm is easy to return in the rescue process, so that serious damage is caused to a vehicle, and a new solution to the problems is required.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides the automobile P-gear emergency unlocking mechanism which is simple in structure and capable of enabling a P-gear rocker arm to return through operating a transmission mechanism after a first limiting block is separated from a shell manually, so that the P-gear rocker arm is effectively prevented from returning due to misoperation in a rescue process, and serious damage to a vehicle is caused.
The invention discloses an automobile P-gear emergency unlocking mechanism, which comprises a shell, wherein a sliding plate capable of moving along a first axial direction is arranged in the shell, one end of the sliding plate is connected with a pull wire used for connecting a P-gear rocker arm, a first driving component used for driving the sliding plate to move along the first axial direction is arranged in the shell, a second transmission rod which is arranged in a second axial direction in an extending mode and can rotate around a central axis of the sliding plate is connected onto the sliding plate, a first shifting finger and a second shifting finger which are arranged at intervals along the second axial direction are arranged on the second transmission rod, an included angle alpha exists between the projections of the first shifting finger and the second shifting finger in a plane perpendicular to a second axial direction, a spring plate which extends along the first axial direction is fixedly connected onto the second shifting finger, one end of the spring plate is fixedly connected with the sliding plate, and the other end of the spring plate is provided with a first limiting block, and a limiting hole used for being matched with the first limiting block and a second driving component used for pushing the first shifting finger to drive the second transmission rod to rotate around the central axis of the second transmission rod are arranged on the shell.
In a preferred embodiment of the invention, a first avoidance hole for avoiding the spring plate and extending along a first axial direction is arranged on the sliding plate, and a mounting plate for fixedly connecting the spring plate is arranged in the first avoidance hole.
In a preferred embodiment of the invention, the slide plate is provided with a first guide groove for sliding connection with the second drive assembly and extending in a first axial direction, the cross-sectional shape of the first guide groove comprising a T-shape, a square shape or a dovetail shape.
In a preferred embodiment of the invention, the second drive assembly comprises a resilient sliding push rod connected to the inner wall of the housing, the resilient sliding push rod being arranged extending in a first axial direction, the position of the resilient sliding push rod corresponding to the position of the first finger.
In a preferred embodiment of the present invention, the elastic sliding push rod includes a top disc, a second limiting block, a push rod and a guide bar, the shaft section between the top disc and the second limiting block is in sliding fit with the inner wall of the housing, a spring is sleeved on the shaft section between the top disc and the second limiting block, the spring is located between the top disc and the inner wall of the housing, the spring and the second limiting block are located on different sides of the inner wall of the housing, the position of the push rod corresponds to the position of the first finger, and a guide bar for being matched with the first guide groove is connected below the push rod.
In a preferred embodiment of the present invention, the included angle α has a value in the range of: alpha is more than or equal to 95 degrees and less than or equal to 100 degrees.
In a preferred embodiment of the present invention, when the first finger is perpendicular to the sliding plate, the first limiting block is located in the limiting hole, the sliding plate is in a locked state, and the sliding plate cannot move along a first axial direction relative to the housing under the action of the first driving component; when the second driving assembly pushes the first shifting finger to rotate for a certain angle, the first limiting block is separated from the limiting hole, the sliding plate is in an unlocking state, and the sliding plate can move relative to the shell along the first axial direction under the action of the first driving assembly.
In a preferred embodiment of the invention, a second sliding column extending and arranged along the first axial direction is connected to the side wall of the shell, a circular limiting seat, a pressure plate and a plum blossom handle are arranged on the second sliding column, the pressure plate and the plum blossom handle are positioned on different sides of the outer wall of the shell, the circular limiting seat and the pressure plate are positioned on different sides of the inner wall of the shell, the plum blossom handle can push the second sliding column to displace along the first axial direction, the plum blossom handle can drive the second sliding column to rotate around the central axis of the second sliding column, and the pressure plate and the top disc are always kept in contact.
In a preferred embodiment of the present invention, the second sliding column is sleeved with a sliding cylinder capable of rotating synchronously with the second sliding column, the sliding cylinder is fixedly connected to the inner wall of the shell through a bearing, a third gear capable of rotating synchronously with the sliding cylinder is fixedly connected to the outer end surface of the sliding cylinder, and the third gear is located between the inner wall of the shell and the outer wall of the shell.
In a preferred embodiment of the invention, the first driving assembly comprises a rack fixedly connected with the sliding plate and arranged along a first axial extension, a first transmission rod arranged along a third axial extension is arranged in the shell, a first gear and a worm wheel which can synchronously drive are fixedly connected on the first transmission rod, the first gear is in meshed transmission with the rack, a third transmission rod which extends along the first axial extension is arranged in the shell, a worm and a second gear which can synchronously rotate are arranged on the third transmission rod, the worm and the worm wheel are in meshed transmission, and the second gear and the third gear are in meshed transmission.
The beneficial effects of the invention are as follows: the invention has simple and compact structure, and the P-gear rocker arm can be reset by operating the transmission mechanism after the first limiting block is separated from the shell, so that the P-gear rocker arm is effectively prevented from being reset due to misoperation in the rescue process, and serious damage is caused to a vehicle; meanwhile, by introducing the worm wheel and the worm, the torque increasing effect can be realized based on the mechanism principle of the worm wheel and the worm, and the torque increasing is performed through the meshing of the worm wheel and the worm in the use process of the equipment, so that the equipment can be easily used even for a driver with smaller strength;
furthermore, the first avoidance hole which is used for avoiding the spring plate and extends along the first axial direction is formed in the sliding plate, the mounting plate which is used for fixedly connecting the spring plate is arranged in the first avoidance hole, and the bent spring plate can be effectively stored by the aid of the first avoidance hole, so that the mounting height of the second transmission rod is reduced, and the structure of the novel sliding plate is more compact;
furthermore, the first guide groove is added on the sliding plate, and the cross section of the first guide groove comprises a T shape, a square shape or a dovetail shape, so that the straightness of the second driving assembly moving along the first axial direction is realized, and the first poking finger is accurately pushed to drive the second transmission rod to rotate around the axis of the second driving assembly;
further, the second driving assembly of the invention comprises the elastic sliding push rod connected to the inner wall of the shell, the elastic sliding push rod extends and is arranged along the first axial direction, the position of the elastic sliding push rod corresponds to the position of the first poking finger, and the structure is simple, and the second driving assembly and the first driving assembly can share one driving source, so that the structure of the invention is more compact;
further, the elastic sliding push rod comprises a top disc, a second limiting block, a push rod and a guide strip, wherein a shaft section between the top disc and the second limiting block is in sliding fit with the inner wall of the shell, a spring is sleeved on the shaft section between the top disc and the second limiting block and is positioned between the top disc and the inner wall of the shell, the spring and the second limiting block are positioned on different sides of the inner wall of the shell, the position of the push rod corresponds to the position of the first poking finger, and the guide strip matched with the first guide groove is connected below the push rod;
further, the included angle alpha of the invention has the following value range: alpha is more than or equal to 95 degrees and less than or equal to 100 degrees, which is more beneficial to bending of the spring plate, and the spring plate is an elastic piece capable of automatically and elastically resetting, and belongs to the prior art;
further, the working principle of the invention is as follows: when the first poking finger is perpendicular to the sliding plate, the first limiting block is positioned in the limiting hole, the sliding plate is in a locking state, and the sliding plate cannot move along a first axial direction relative to the shell under the action of the first driving assembly; when the second driving assembly pushes the first dial finger to rotate for a certain angle, the first limiting block is separated from the limiting hole, the sliding plate is in an unlocking state, and the sliding plate can move along a first axial direction relative to the shell under the action of the first driving assembly;
further, a second sliding column extending and arranged along a first axial direction is connected to the side wall of the shell, a circular limiting seat, a pressure plate and a plum blossom handle are arranged on the second sliding column, the pressure plate and the plum blossom handle are located on different sides of the outer wall of the shell, the circular limiting seat and the pressure plate are located on different sides of the inner wall of the shell, the plum blossom handle can push the second sliding column to displace along the first axial direction, the plum blossom handle can drive the second sliding column to rotate around the central axis, the pressure plate and the top disc are always kept in contact, two functions can be realized in one station through the structure, the P-gear rocker arm can be reset through operating a transmission mechanism after the first limiting block is separated from the shell through manual pushing, and the torsion increasing effect can be realized through manual rotation;
further, a sliding cylinder capable of synchronously rotating with the sliding cylinder is sleeved on the second sliding column, the sliding cylinder is fixedly connected to the inner wall of the shell through a bearing, a third gear capable of synchronously rotating with the sliding cylinder is fixedly connected to the outer end face of the sliding cylinder, and the third gear is positioned between the inner wall of the shell and the outer wall of the shell;
furthermore, the first driving assembly comprises the rack fixedly connected with the sliding plate and arranged along the first axial extension, the first transmission rod which is arranged along the third axial extension is arranged in the shell, the first transmission rod is fixedly connected with the first gear and the worm wheel which can synchronously drive, the first gear and the rack are in meshed transmission, the shell is internally provided with the worm and the second gear which can synchronously rotate and are in meshed transmission along the first axial extension, the second gear and the third gear are in meshed transmission, and the worm wheel and the worm are meshed by the worm wheel and the worm, so that the torque increasing effect can be realized.
Drawings
FIG. 1 is a schematic view of the overall structure of an automotive P-gear emergency unlocking mechanism of the present invention;
FIG. 2 is a schematic view of an integrally cut-away connection structure of an automobile P-gear emergency unlocking mechanism of the present invention;
FIG. 3 is a schematic diagram of the overall side view of the connection structure of the P-gear emergency unlocking mechanism of the automobile of the invention;
FIG. 4 is a schematic diagram of a connection structure of an automobile P-gear emergency unlocking mechanism;
FIG. 5 is a schematic view of the connection structure of the transmission mechanism portion inside the top case of the P-gear emergency unlocking mechanism of the automobile of the present invention;
FIG. 6 is a schematic view of a partially cut-away connection of a transmission mechanism of an automotive P-gear emergency unlocking mechanism according to the present invention;
FIG. 7 is a schematic view of a connection structure of a slide cylinder and a second slide column of an automobile P-gear emergency unlocking mechanism;
FIG. 8 is a schematic view of the connection structure of the transmission mechanism portion inside the housing of the P-gear emergency release mechanism of the present invention;
FIG. 9 is a schematic illustration of a slide plate of an automotive P-gear emergency unlocking mechanism according to the present invention;
FIG. 10 is a schematic view of a second drive assembly of an automotive P-gear emergency release mechanism according to the present invention;
in the figure: 1. a protective cylinder; 2. a top shell; 3. a plum blossom handle; 4. a circular limit seat; 5. a slideway; 6. a slide cylinder; 7. a pressure plate; 8. a connector lug; 9. a first transmission rod; 10. a slide plate; 11. a rack; 12. square limit seat; 13. a second transmission rod; 14. a spring plate; 15. a first limiting block; 16. a first gear; 17. a worm; 18. a third transmission rod; 19. a square fixing plate; 20. a first finger; 21. the second poking finger; 22. a first strut; 23. a second strut; 24. a worm wheel; 25. a spring; 26. a top plate; 27. a second gear; 28. a second limiting block; 29. a push rod; 30. a guide bar; 31. a third gear; 32. and a limiting hole.
Description of the embodiments
The following describes the invention in further detail, including preferred embodiments, by way of the accompanying drawings and by way of examples of some alternative embodiments of the invention. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
The invention discloses an automobile P-gear emergency unlocking mechanism, which comprises a shell, wherein a sliding plate 10 capable of moving along a first axial direction is arranged in the shell, one end of the sliding plate 10 is connected with a stay wire used for connecting a P-gear rocker arm, a first driving component used for driving the sliding plate 10 to move along the first axial direction is arranged in the shell, a second transmission rod 13 which is arranged along a second axial direction in an extending mode and can rotate around a central axis of the sliding plate 10 is connected with the sliding plate, a first shifting finger 20 and a second shifting finger 21 which are arranged along the second axial direction at intervals are arranged on the second transmission rod 13, an included angle alpha exists between projections of the first shifting finger 20 and the second shifting finger 21 in a plane perpendicular to the second axial direction, a spring plate 14 which is arranged along the first axial direction in an extending mode is fixedly connected to the second shifting finger 21, one end of the spring plate 14 is fixedly connected with the sliding plate 10, a first limiting block 15 is arranged at the other end of the spring plate 14, and a limiting hole 32 used for being matched with the first limiting block 15 and a second driving component used for pushing the first shifting finger 20 to drive the second transmission rod 13 to rotate around the central axis of the second driving component.
Preferably, the sliding plate 10 is provided with a first avoidance hole 10.1 for avoiding the spring plate 14 and extending along the first axial direction, and a mounting plate 10.2 for fixedly connecting the spring plate 14 is arranged in the first avoidance hole 10.1.
Preferably, the slide plate 10 is provided with a first guide groove 10.3 for slidably connecting the second drive assembly and extending in the first axial direction, the cross-sectional shape of the first guide groove 10.3 comprising a T-shape, a square-shape or a dovetail-shape.
Preferably, the second driving assembly includes an elastic sliding push rod connected to the inner wall of the housing, the elastic sliding push rod is arranged along the first axial extension, and the position of the elastic sliding push rod corresponds to the position of the first poking finger 20.
Preferably, the elastic sliding push rod comprises a top disc 26, a second limiting block 28, a push rod 29 and a guide strip 30, wherein the push rod 29 and the guide strip 30 can be integrally formed to form a T-shaped structure, the cross section of the push rod 29 and the cross section of the guide strip 30 correspond to that of the first guide groove 10.3, an axial section between the top disc 26 and the second limiting block 28 is in sliding fit with the inner wall of the shell, a spring 25 is sleeved on the axial section between the top disc 26 and the second limiting block 28, the spring 25 is located between the top disc 26 and the inner wall of the shell, the spring 25 and the second limiting block 28 are located on different sides of the inner wall of the shell, the position of the push rod 29 corresponds to that of the first poking finger 20, and the guide strip 30 for being matched with the first guide groove 10.3 is connected below the push rod 29.
Preferably, the included angle α has a value in the range: alpha is more than or equal to 95 degrees and less than or equal to 100 degrees.
Preferably, when the first finger 20 is perpendicular to the sliding plate 10, the first limiting block 15 is located in the limiting hole 32, the sliding plate 10 is in a locking state, and the sliding plate 10 cannot move along the first axial direction relative to the housing under the action of the first driving component; when the second driving assembly pushes the first finger 20 to rotate for a certain angle, the first limiting block 15 is separated from the limiting hole 32, the sliding plate 10 is in an unlocking state, and the sliding plate 10 can move relative to the housing along the first axial direction under the action of the first driving assembly.
Preferably, a second sliding column 23 extending and arranged along the first axial direction is connected to the side wall of the shell, a circular limiting seat 4, a pressing plate 7 and a plum blossom handle 3 are arranged on the second sliding column 23, the pressing plate 7 and the plum blossom handle 3 are located on different sides of the outer wall of the shell, the circular limiting seat 4 and the pressing plate 7 are located on different sides of the inner wall of the shell, the plum blossom handle 3 can push the second sliding column 23 to move along the first axial direction, the plum blossom handle 3 can drive the second sliding column 23 to rotate around the central axis of the second sliding column, and the pressing plate 7 and the top disc 26 are always kept in contact.
Preferably, the second sliding column 23 is sleeved with a sliding cylinder 6 capable of synchronously rotating with the sliding cylinder, the sliding cylinder 6 is fixedly connected to the inner wall of the shell through a bearing, a third gear 31 capable of synchronously rotating with the sliding cylinder 6 is fixedly connected to the outer end face of the sliding cylinder 6, and the third gear 31 is located between the inner wall of the shell and the outer wall of the shell.
Preferably, the first driving assembly comprises a rack 11 fixedly connected with the slide plate 10 and arranged along a first axial direction, a first transmission rod 9 arranged along a third axial direction is arranged in the shell, a first gear 16 and a worm wheel 24 which can synchronously drive are fixedly connected on the first transmission rod 9, the first gear 16 is meshed with the rack 11 for transmission, a third transmission rod 18 extending along the first axial direction is arranged in the shell, a worm 17 and a second gear 27 which can synchronously rotate are arranged on the third transmission rod 18, the worm 17 and the worm wheel 24 are meshed for transmission, and the second gear 27 and the third gear 31 are meshed for transmission
An embodiment of the present invention will be specifically explained below with reference to the accompanying drawings:
the shell comprises a protection cylinder 1, wherein the protection cylinder 1 is used for being fixed in an automobile cockpit, an unlocking mechanism for unlocking a P gear is arranged in the protection cylinder 1, a top shell 2 is fixed at one end of the protection cylinder 1, and a transmission mechanism is arranged in the top shell 2;
therefore, the unlocking mechanism is driven by the transmission mechanism to achieve the purposes of unlocking the P gear under emergency and resetting the P gear after getting rid of the trouble.
Referring to fig. 2-3, in one embodiment:
the unlocking mechanism comprises a sliding plate 10 and a spring plate 14, the sliding plate 10 is slidably connected in the protective cylinder 1, the sliding plate 10 is used for driving the connector lug 8 to move, one end of the sliding plate 10 is fixedly provided with the connector lug 8, a stay wire enters the protective cylinder 1 through a hole at the other end of the protective cylinder 1 and is fixedly connected with the connector lug 8, the stay wire is of an existing structure, one end of the stay wire is fixedly connected with a gear box P-gear rocker arm, when the sliding plate 10 moves to drive the connector lug 8 to move and drive the stay wire fixed with the same, then the gear P-gear rocker arm is pulled, and finally the gear P is unlocked;
two first slide columns 22 are symmetrically fixed on two sides of the slide plate 10 respectively, slide ways 5 are symmetrically arranged on two sides of the inner wall of the protective cylinder 1, the first slide columns 22 are slidably connected in the slide ways 5, and the slide plate 10 is slidably connected in the protective cylinder 1 through the first slide columns 22 and the slide ways 5;
the surface of the sliding plate 10 is provided with a first avoidance hole 10.1, a second avoidance hole 10.4 and a first guide groove 10.3, the first avoidance hole 10.1, the second avoidance hole 10.4 and the first guide groove 10.3 extend along a first axial direction, the first avoidance hole 10.1 is used for avoiding a spring plate 14, the second avoidance hole 10.4 is used for avoiding a first transmission rod 9, the first guide groove 10.3 is used for being matched with a guide strip 30 to limit a guide ejector rod 29, so that the ejector rod 29 has only one degree of freedom along the first axial direction, the first avoidance hole 10.1 and the second avoidance hole 10.4 are of a waist-shaped hole or square hole structure, the first guide groove 10.3 is of a T-shaped structure preferably, one end of the spring plate 14 is fixed on a mounting plate 10.2 of the first avoidance hole 10.1 of the sliding plate 10 through a screw, the other end of the spring plate 14 is fixedly provided with a first limiting block 15, and the surface of the protection cylinder 1 corresponds to the position of the first limiting block 15 to form a square limiting hole 32;
after the P is unlocked, the first limiting block 15 is used for being clamped at the position of the square groove of the protection cylinder 1, so that the sliding plate 10 is fixed, the situation that the P-gear rocker arm returns to the position due to misoperation in the rescue process is prevented, the P-gear rocker arm is prevented from returning to the position due to misoperation in the rescue process, and serious damage to a vehicle is caused.
Referring to fig. 2-4, in one embodiment:
the unlocking mechanism further comprises a guide bar 30, a first guide groove 10.3 is formed in one side, far away from the spring plate 14, of the upper surface of the sliding plate 10, the guide bar 30 is slidably connected inside the first guide groove 10.3, the first guide groove 10.3 and the guide bar 30 are used for limiting the ejector bar 29, the surface, close to one end of the top shell 2, of the guide bar 30 is fixedly provided with the ejector bar 29, the ejector bar 29 is used for driving the first poking finger 20, a second limiting block 28 is formed in one side, close to the top shell 2, of the top of the ejector bar 29, when the ejector bar 29 moves towards the direction close to the top shell 2, the second limiting block 28 is driven to move, when the second limiting block 28 is in contact with the inner wall of the protection cylinder 1, the ejector bar 29 is prevented from continuing to move towards the direction of the top shell 2, so that the ejector bar 29 is limited, the second limiting block 28, the ejector bar 29 and the guide bar 30 are of an integrated structure, a top disc 26 is fixed at one end of the ejector bar 30, the top disc 26 is used for driving the ejector bar 29 to move, a spring 25 is arranged between the top disc 26 and the protection cylinder 1, and the spring 25 is used for resetting the top disc 26 and the spring 25 to be positioned inside the top shell 2 through the elastic action of the ejector bar;
the upper surface of the sliding plate 10 is symmetrically fixed with a square limiting seat 12, the square limiting seat 12 is used for limiting a second transmission rod 13, the second transmission rod 13 is rotationally connected inside the square limiting seat 12, the second transmission rod 13 is used for enabling a first poking finger 20 and a second poking finger 21 to mutually drive, a second poking finger 21 is fixed at a position, corresponding to the spring plate 14, of the surface of the second transmission rod 13, a first poking finger 20 is fixed at a position, corresponding to the T-shaped groove, of the surface of the second transmission rod 13, and an included angle between the second poking finger 21 and the first poking finger 20 is 95-100 degrees;
according to the structural design, when the P-gear rocker arm is reset, the top disc 26 is pressed, the ejector rod 29 is driven to move towards one end far away from the top shell 2, the first poking finger 20 is lifted, the angle of the first poking finger 20 is changed, the second transmission rod 13 is rotated clockwise, the second poking finger 21 is driven to change the angle, the spring plate 14 is pressed down through the second poking finger 21, the first limiting block 15 is driven to be separated from the protective cylinder 1, the transmission mechanism is operated, the sliding plate 10 is driven to move towards one end far away from the top shell 2, the P-gear rocker arm is reset through the connector lug 8 and the stay wire, the P-gear rocker arm is reset through the operation of the transmission mechanism after the first limiting block 15 is separated from the protective cylinder 1, and serious damage to a vehicle caused by the P-gear rocker arm reset due to misoperation in the rescue process is effectively avoided;
preferably, when the vehicle is powered off and cannot be started in an emergency, after the vehicle P gear needs to be unlocked by using the device, the P gear rocker arm is suddenly reset due to various uncertain conditions such as misoperation of personnel or probability faults of the device in the rescue process, so that serious damage is caused to the vehicle, and the first limiting block 15 can effectively prevent the P gear rocker arm from being suddenly reset under various conditions. Thereby effectively improving the use safety of the equipment.
Referring to fig. 5-7, in one embodiment:
the transmission mechanism comprises a plum blossom handle 3, a third transmission rod 18 and a slide cylinder 6, wherein the plum blossom handle 3 is rotationally connected to the top of a top shell 2, the plum blossom handle 3 is used for applying downward pressure to a pressure plate 7, the bottom of the plum blossom handle 3 is fixedly provided with the pressure plate 7, the pressure plate 7 is used for applying downward pressure to a top plate 26 and driving the top plate 26 to move downwards, the bottom of the pressure plate 7 is fixedly provided with a second slide column 23, the pressure plate 7 is also used for driving the second slide column 23 to rotate, the bottom of the second slide column 23 is fixedly provided with a circular limiting seat 4, the second slide column 23 is used for driving the slide cylinder 6 to rotate, the circular limiting seat 4 is used for limiting the second slide column 23, the slide cylinder 6 is rotationally connected to the center position inside one end of the protective cylinder 1, a bearing is installed between the slide cylinder 6 and the protective cylinder 1, the slide cylinder 6 is fixedly connected with a third gear 31, the slide cylinder 6 is used for driving the third gear 31 to rotate, the surface of the slide cylinder 6 is fixedly provided with the third gear 31, the third gear 31 is used for driving the second gear 27 to rotate, the surface of the second slide column 23 is provided with a slide groove, the slide column 23 is opened, the slide groove is correspondingly arranged on the inner surface of the slide cylinder 6 and the slide column 23 is connected with the slide groove 6 through the slide column 23, and the slide groove is connected to the slide column 6 inside the slide column 23;
preferably, when the vehicle is out of order and the P-gear rocker arm is reset, the top disc 26 and the second sliding column 23 are moved downwards through the pressure disc 7 by pressing the plum blossom handle 3, so that the first limiting block 15 is separated from the protection cylinder 1, at the moment, the plum blossom handle 3 is rotated to reset the P-gear rocker arm, then the plum blossom handle 3 is released, and the top disc 26, the pressure disc 7, the plum blossom handle 3 and the second sliding column 23 are restored to the original positions through the elastic action of the spring 25;
the third transmission rod 18 is rotationally connected to the inside of the protective cylinder 1, the third transmission rod 18 is used for driving the worm 17 to rotate, one end of the third transmission rod 18 is fixedly provided with a second gear 27, the second gear 27 is used for driving the third transmission rod 18 to rotate, the second gear 27 is in meshed connection with a third gear 31, and the pressure plate 7, the third gear 31 and the second gear 27 are all positioned in the top shell 2;
preferably, the plum blossom handle 3 is twisted to drive the pressure plate 7 to rotate and drive the second slide column 23 to rotate, the second slide column 23 drives the slide cylinder 6 to rotate, the slide cylinder 6 drives the third gear 31 to rotate, and the third gear 31 is meshed with the second gear 27, so that the third gear 31 drives the second gear 27 to rotate and drives the third transmission rod 18 to rotate;
the transmission mechanism further comprises a first transmission rod 9, a square fixing plate 19 is fixed at the bottom of the inner wall of the protective cylinder 1, the square fixing plate 19 is used for limiting a third transmission rod 18, so that the third transmission rod 18 is more stable in operation, the other end of the third transmission rod 18 is rotationally connected inside the square fixing plate 19, the third transmission rod 18 is used for driving the worm 17 to rotate, a worm 17 is fixed at the position, close to the square fixing plate 19, of the other end of the surface of the third transmission rod 18, the worm 17 is used for driving a worm wheel 24 to rotate, two ends of the first transmission rod 9 are respectively rotationally connected to the top and the bottom of the inner wall of the protective cylinder 1, a first gear 16 and the worm wheel 24 are sequentially fixed on the surface of the first transmission rod 9 from top to bottom, the worm wheel 24 is used for driving the first transmission rod 9 to rotate, the first gear 16 is driven to rotate, the worm wheel 24 is in meshed connection with the worm 17, the first gear 16 is used for driving a rack 11 to move, one side of the bottom of the protective cylinder 1 is fixed with a rack 11, the rack 11 is used for driving a sliding plate 10 to move, and the rack 11 is in meshed connection with the first gear 16;
preferably, the torque increasing effect can be realized by the mechanism principle of the worm wheel 24 and the worm 17, and the torque increasing is realized by the meshing of the worm wheel 24 and the worm 17 in the use process of the equipment, so that the equipment can be easily used even for women with smaller strength;
according to the structural design, when the vehicle P gear is unlocked, the plum blossom handle 3 can be screwed to drive the third transmission rod 18 to rotate, the third transmission rod 18 drives the worm 17 to rotate and is meshed with the worm 17, the worm wheel 24 connected with the third transmission rod is driven to rotate, the first transmission rod 9 is driven by the worm wheel 24 to rotate and the first gear 16 is driven to rotate, the first gear 16 is meshed with the rack 11, the first gear 16 drives the rack 11 and drives the slide plate 10 and the connector lug 8 to move towards the direction close to the top shell 2 until the first limiting block 15 is clamped into the square groove arranged in the protective cylinder 1, when the first limiting block 15 is clamped into the square groove arranged in the protective cylinder 1, the slide plate 10 can be effectively limited, at the moment, the P gear rocker is pulled by the connector lug 8 and the pull wire, the P gear is unlocked, the plum blossom handle 3 cannot be directly screwed due to the interaction of the first limiting block 15, and the P gear can be effectively reset due to misoperation or mechanical failure in the rescue process;
when the P-gear rocker arm is required to be reset after rescue is finished, after the plum blossom handle 3 is separated from the protection cylinder 1, the first limiting block 15 is reversely screwed to drive the plum blossom handle 3 to drive the sliding plate 10, and the P-gear rocker arm is reset through the connector lug 8 and the stay wire to move in the direction away from the top shell 2, so that the vehicle can be recovered to be normal.
It will be readily understood by those skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention and that no limitations are intended to the scope of the invention, except insofar as modifications, combinations, substitutions, improvements or the like may be made within the spirit and principles of the invention.
Claims (4)
1. An emergent release mechanism of car P fender, its characterized in that: the device comprises a shell, wherein a sliding plate (10) capable of moving along a first axial direction is arranged in the shell, one end of the sliding plate (10) is connected with a pull wire used for connecting a P-gear rocker arm, a first driving component used for driving the sliding plate (10) to move along the first axial direction is arranged in the shell, a second transmission rod (13) which is arranged in a second axial direction in an extending mode and can rotate around a central axis of the sliding plate (10) is connected with the sliding plate, a first shifting finger (20) and a second shifting finger (21) which are arranged at intervals along the second axial direction are arranged on the second transmission rod (13), an included angle alpha exists between the projections of the first shifting finger (20) and the second shifting finger (21) in a plane perpendicular to the second axial direction, a spring plate (14) which is arranged in the extending mode along the first axial direction is fixedly connected to the second shifting finger (21), one end of the spring plate (14) is fixedly connected with the sliding plate (10), and the other end of the spring plate (14) is provided with a first limiting block (15), and a first limiting block (32) used for driving the first limiting block (32) and the second limiting component (13) are arranged on the shell at intervals;
the first driving assembly comprises a rack (11) fixedly connected with the sliding plate (10) and arranged along a first axial direction, a first transmission rod (9) arranged along a third axial direction is arranged in the shell, a first gear (16) and a worm wheel (24) which can synchronously drive are fixedly connected on the first transmission rod (9), the first gear (16) and the rack (11) are in meshed transmission, a third transmission rod (18) extending along the first axial direction is arranged in the shell, a worm (17) and a second gear (27) which can synchronously rotate are arranged on the third transmission rod (18), the worm (17) and the worm wheel (24) are in meshed transmission, and the second gear (27) and the third gear (31) are in meshed transmission;
the second driving assembly comprises an elastic sliding push rod connected to the inner wall of the shell, the elastic sliding push rod extends and is arranged along a first axial direction, and the position of the elastic sliding push rod corresponds to the position of the first poking finger (20);
the elastic sliding push rod comprises a top disc (26), a second limiting block (28), a push rod (29) and a guide strip (30), a shaft section between the top disc (26) and the second limiting block (28) is in sliding fit with the inner wall of the shell, a spring (25) is sleeved on the shaft section between the top disc (26) and the second limiting block (28), the spring (25) is located between the top disc (26) and the inner wall of the shell, the spring (25) and the second limiting block (28) are located on different sides of the inner wall of the shell, the position of the push rod (29) corresponds to the position of the first poking finger (20), and the guide strip (30) matched with the first guide groove (10.3) is connected below the push rod (29).
When the first poking finger (20) is perpendicular to the sliding plate (10), the first limiting block (15) is positioned in the limiting hole (32), the sliding plate (10) is in a locking state, and the sliding plate (10) cannot move along a first axial direction relative to the shell under the action of the first driving component; when the second driving assembly pushes the first poking finger (20) to rotate for a certain angle, the first limiting block (15) is separated from the limiting hole (32), the sliding plate (10) is in an unlocking state, and the sliding plate (10) can move relative to the shell along a first axial direction under the action of the first driving assembly;
the utility model discloses a double-sided rotary press is characterized in that a second slide column (23) which extends and is arranged along a first axial direction is connected to the side wall of the shell, a circular limiting seat (4), a pressing plate (7) and a plum blossom handle (3) are arranged on the second slide column (23), the pressing plate (7) and the plum blossom handle (3) are positioned on different sides of the outer wall of the shell, the circular limiting seat (4) and the pressing plate (7) are positioned on different sides of the inner wall of the shell, the plum blossom handle (3) can push the second slide column (23) to displace along the first axial direction, the plum blossom handle (3) can drive the second slide column (23) to rotate around the central axis thereof, and the pressing plate (7) and the top disc (26) are always kept in contact; the second sliding column (23) is sleeved with a sliding cylinder (6) capable of synchronously rotating with the sliding cylinder, the sliding cylinder (6) is fixedly connected to the inner wall of the shell through a bearing, a third gear (31) capable of synchronously rotating with the sliding cylinder is fixedly connected to the outer end face of the sliding cylinder (6), and the third gear (31) is positioned between the inner wall of the shell and the outer wall of the shell;
when the vehicle P is unlocked, the third transmission rod (18) is driven to rotate by screwing the plum blossom handle (3), the worm (17) is driven to rotate by the third transmission rod (18) and meshed with the third transmission rod, the connected worm wheel (24) is rotated, the first transmission rod (9) is driven to rotate by the worm wheel (24) and the first gear (16) is driven to rotate, the first gear (16) is meshed with the rack (11), the first gear (16) drives the rack (11) and drives the sliding plate (10) and the wiring head (8) to move towards the direction close to the top shell (2), until the first limiting block (15) is clamped into the square groove arranged on the protection cylinder (1), and when the first limiting block (15) is clamped into the square groove arranged on the protection cylinder (1), the sliding plate (10) is limited, and at the moment, the P is pulled by the wiring head (8) and the pull wire, so that the P is unlocked;
when the P-gear rocker arm is required to be reset after rescue is finished, after the plum blossom handle (3) is pressed, the first limiting block (15) is separated from the protection cylinder (1), and simultaneously the plum blossom handle (3) is reversely screwed to drive the sliding plate (10), and the P-gear rocker arm moves in the direction away from the top shell (2) through the connector lug (8) and the pull wire, so that the vehicle can be recovered to be normal after the P-gear rocker arm is reset.
2. The automotive P-gear emergency unlocking mechanism according to claim 1, wherein: the sliding plate (10) is provided with a first avoidance hole (10.1) which is used for avoiding the spring plate (14) and extends along a first axial direction, and a mounting plate (10.2) which is used for fixedly connecting the spring plate (14) is arranged in the first avoidance hole (10.1).
3. The automotive P-gear emergency unlocking mechanism according to claim 1, wherein: the sliding plate (10) is provided with a first guide groove (10.3) which is used for being connected with the second driving assembly in a sliding mode and extends along a first axial direction, and the cross section shape of the first guide groove (10.3) comprises a T shape, a square shape or a dovetail shape.
4. The automotive P-gear emergency unlocking mechanism according to claim 1, wherein: the value range of the included angle alpha is as follows: alpha is more than or equal to 95 degrees and less than or equal to 100 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210674068.2A CN115264055B (en) | 2022-06-14 | 2022-06-14 | Automobile P-gear emergency unlocking mechanism |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210674068.2A CN115264055B (en) | 2022-06-14 | 2022-06-14 | Automobile P-gear emergency unlocking mechanism |
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| CN115264055A CN115264055A (en) | 2022-11-01 |
| CN115264055B true CN115264055B (en) | 2023-07-14 |
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| CN202210674068.2A Active CN115264055B (en) | 2022-06-14 | 2022-06-14 | Automobile P-gear emergency unlocking mechanism |
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| DE102006061607A1 (en) * | 2006-12-27 | 2008-07-03 | Zf Friedrichshafen Ag | Shifting device for e.g. dual coupling gear of motor vehicle, has shifting rod whose guide bolts are engaged in each guide bar of coupling units, where bolts are attached to gear of common shifting track |
| GB2458640B (en) * | 2008-03-25 | 2012-07-25 | Land Rover Uk Ltd | Cable connector |
| CN203129770U (en) * | 2013-03-28 | 2013-08-14 | 上海育成创新科技服务有限公司 | Central door lock control system of automobile |
| DE102013224741A1 (en) * | 2013-12-03 | 2015-06-03 | Zf Friedrichshafen Ag | Manually operable switching device of a gear change transmission |
| DE102014219037A1 (en) * | 2014-09-22 | 2016-03-24 | Zf Friedrichshafen Ag | Parking lock device for a motor vehicle |
| WO2017182555A1 (en) * | 2016-04-21 | 2017-10-26 | Küster Holding GmbH | Actuator, device for engaging a parking lock of a motor-vehicle automatic transmission having such an actuator and motor vehicle equipped therewith |
| DE102016116692B4 (en) * | 2016-09-07 | 2018-09-20 | Küster Holding GmbH | Device for actuating a parking brake in an automatic transmission of a motor vehicle |
| CN206958228U (en) * | 2017-05-23 | 2018-02-02 | 浙江飞神车业有限公司 | A kind of all-terrain vehicle shifting system |
| DE102017212347A1 (en) * | 2017-07-19 | 2019-01-24 | Robert Bosch Gmbh | Bottom bracket drive of a bicycle |
| CN109424735B (en) * | 2018-01-31 | 2020-05-08 | 长城汽车股份有限公司 | Transmission P-gear unlocking device of vehicle and vehicle |
| CN210068907U (en) * | 2019-04-11 | 2020-02-14 | 广州汽车集团股份有限公司 | P keeps off release mechanism |
| CN110778712B (en) * | 2019-11-01 | 2021-09-03 | 东风汽车集团有限公司 | Parking executor and car |
| CN110748640B (en) * | 2019-11-01 | 2021-11-23 | 东风汽车集团有限公司 | P-gear parking system and automobile |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012060289A1 (en) * | 2010-11-01 | 2012-05-10 | アイシン精機 株式会社 | Parking lock device |
| CN105179670A (en) * | 2015-09-30 | 2015-12-23 | 南京博士朗电子技术有限公司 | Gear-P locking/unlocking drive mechanism for automobile electronic gear shifter |
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| CN115264055A (en) | 2022-11-01 |
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