CN115627978A - Self-suction and ice-breaking mechanism of automobile door lock and self-suction and ice-breaking control method - Google Patents
Self-suction and ice-breaking mechanism of automobile door lock and self-suction and ice-breaking control method Download PDFInfo
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- CN115627978A CN115627978A CN202211319844.3A CN202211319844A CN115627978A CN 115627978 A CN115627978 A CN 115627978A CN 202211319844 A CN202211319844 A CN 202211319844A CN 115627978 A CN115627978 A CN 115627978A
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
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Abstract
The self-suction and ice-breaking mechanism of the automobile door lock comprises a door lock and an actuator, wherein a ratchet sub-assembly and a pawl sub-assembly are rotationally arranged on a bottom plate of the door lock; the locking port support is rotatably provided with a self-absorption rocker arm sub-assembly, and the self-absorption rocker arm sub-assembly is connected with a pull wire of the actuator; the eccentric position of the self-absorption rocker arm sub-assembly is rotationally connected with a self-absorption linkage arm, a pushing arm and a track-changing rocker arm, and a first pin shaft and a drag hook are arranged at one end of the self-absorption linkage arm, which is far away from a self rotating shaft; two sides of the orbital transfer rocker shaft are respectively provided with a sliding groove, and the bulge on the pushing arm is positioned in the sliding groove at one end of the orbital transfer rocker shaft; a self-absorption releasing rocker arm is also arranged on the fore shaft bracket, and a second pin shaft positioned on a sliding chute at the other end of the orbital transfer rocker arm is connected to the self-absorption releasing rocker arm; a sliding block is arranged on the fore shaft bracket in a sliding manner; the self-suction and ice-breaking control method adopts the single-pull-wire actuator to solve the self-suction and ice-breaking functions of the door lock, simplifies the mechanism, provides convenience for the host factory to select and arrange the door lock, and reduces the use cost.
Description
Technical Field
The invention belongs to the field of automobile door locks, and particularly relates to an automobile door lock self-attraction and ice-breaking mechanism and a self-attraction and ice-breaking control method.
Background
Along with people pay more and more attention to security and control the quality when using the car, more car begins to adopt the lock that has from actuation and function that opens ice, can prevent that the door from not closing in place, improves the sound quality when closing the door, also can prevent winter because sleet weather electrically operated gate low temperature is frozen, can't open the condition of door, increases scientific and technological sense, improves the operation travelling comfort etc..
At present, door lock structures for realizing the functions of self-absorption and ice breaking of a door lock commonly seen in the automobile industry mainly comprise the following parts:
1) Self-suction icebreaking door lock and double-pull-wire actuator
The door lock adopts the double-pull-wire output of the actuator, when the door is closed to be half-locked, the self-absorption pull wire drives the mechanical structure of the door lock, the door lock is pulled to be a full-locking position from a half-locking position, and the door is fully closed. When the ice needs to be broken, the ice breaking pull wire of the actuator drives the mechanical structure in the door lock, so that the door is opened. The door lock realizes the self-absorption and ice-breaking functions of the door lock, but needs double-pull-wire actuators, and has higher cost.
2) Self-suction door lock, single-pull-wire actuator and electric auxiliary ice breaking mechanism
The door lock can only be matched with the actuator to complete the self-absorption function, does not have the ice breaking function, needs an additional auxiliary mechanism to break ice, improves the space requirement of a vehicle door metal plate, increases the complexity of the mechanism and increases the cost.
3) Self-suction door lock and single pull wire actuator
The door lock system is simple, only can realize self-closing of the door lock, does not have an ice breaking function, and cannot be adapted to the model of the electric door.
Disclosure of Invention
The invention aims to provide a self-attraction and ice-breaking mechanism and a self-attraction and ice-breaking control method of an automobile door lock.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the self-attracting and ice-breaking mechanism of the automobile door lock comprises a door lock and an actuator, wherein a shell of the door lock is formed by combining a bottom plate and a lock opening bracket, a ratchet wheel sub-assembly and a pawl sub-assembly are rotationally arranged on the bottom plate of the door lock, a ratchet wheel linkage shaft is fixedly connected to the ratchet wheel sub-assembly, a pawl linkage arm is arranged on the pawl shaft, and the pawl linkage arm is embedded on the pawl sub-assembly;
the self-absorption rocker arm sub-assembly is rotatably arranged on the fore shaft bracket and is connected with a pull wire of the actuator, the pull wire is fixed on the fore shaft bracket in a buckling manner, and the actuator is a single pull wire actuator;
the eccentric position of the self-absorption rocker arm sub-assembly is rotationally connected with a self-absorption linkage arm, one end, far away from a rotating shaft of the self-absorption linkage arm, of the self-absorption linkage arm is provided with a first pin shaft and a drag hook capable of pulling the ratchet wheel sub-assembly, and in the rotating process of the self-absorption linkage arm, the first pin shaft slides along a guide rail on the fore shaft support;
the eccentric position of the self-priming rocker arm sub-assembly is rotationally connected with a pushing arm, and a bulge is arranged on the pushing arm;
the eccentric position of the self-absorption rocker arm sub-assembly is rotationally connected with a track-changing rocker arm, two sides of a track-changing rocker arm shaft are respectively provided with a sliding groove, and a bulge on the pushing arm is positioned in a sliding groove 17-1 at one end of the track-changing rocker arm;
the locking notch support is also provided with a self-priming release rocker arm, the self-priming release rocker arm is connected with a second pin shaft, and the second pin shaft is positioned in a sliding groove at the other end of the orbital transfer rocker arm;
the sliding block is arranged on the locking port support in a sliding mode and used for pushing the pawl linkage arm to drive the pawl to rotate and pushing the self-absorption release rocker arm to rotate;
the self-priming rocker arm assembly, the self-priming linkage arm and the self-priming release rocker arm are respectively connected with return springs.
The rotating shaft of the self-absorption linkage arm and the rotating shaft of the pushing arm are positioned on two sides of the rotating shaft of the self-absorption rocker arm assembly, and the rotating shaft of the orbital transfer rocker arm and the rotating shaft of the self-absorption linkage arm are positioned on the same side of the rotating shaft of the self-absorption rocker arm assembly.
The sliding block is controlled to slide by an electric release transmission mechanism.
The self-attraction control method of the automobile door lock adopts the self-attraction and ice breaking mechanism and comprises the following steps: the actuator pulls the self-suction rocker arm sub-assembly to rotate through the pull wire, the self-suction rocker arm sub-assembly drives the self-suction linkage arm to rotate, the draw hook on the self-suction linkage arm pulls the protrusion on the ratchet wheel sub-assembly, so that the ratchet wheel sub-assembly slides along the pawl sub-assembly and pushes the pawl sub-assembly to rotate until the ratchet wheel sub-assembly moves to the full-locking position, and the pawl sub-assembly resets and is meshed with the ratchet wheel sub-assembly to complete the self-suction closing action.
In the rotation process of the self-absorption linkage arm, under the action of a return spring of the self-absorption linkage arm, a first pin shaft on the self-absorption linkage arm is tightly attached to a guide rail on the locking notch support.
After the self-priming action is finished, the actuator executes a resetting action, the self-priming rocker arm sub-assembly resets under the action of the self-priming rocker arm return spring, the self-priming linkage arm is pushed to rotate around the self-priming rocker arm shaft, and meanwhile, the self-priming linkage arm returns to the initial position along a set route.
The ice breaking control method of the automobile door lock adopts the self-suction and ice breaking mechanism and comprises the following steps: firstly, when the door lock is in electric release operation, the electric release transmission mechanism pushes the sliding block to slide, on one hand, the sliding block pushes the pawl subassembly and the ratchet subassembly to be separated through the pawl linkage arm, on the other hand, the sliding block adjusts the pushing arm to a track for realizing ice breaking action through the transmission of the self-absorption release rocker arm and the track change rocker arm;
secondly, when the BCM judges that the door of the vehicle is frozen, the sliding block does not execute reset action, the actuator pulls the self-absorption rocker arm sub-assembly to rotate through the pull wire, the self-absorption rocker arm sub-assembly drives the pushing arm to rotate around the pushing arm shaft, meanwhile, the pushing arm moves along the sliding groove of the track-changing rocker arm through the protrusion of the pushing arm and pushes the ratchet wheel sub-assembly to rotate around the ratchet wheel linkage shaft, the ratchet wheel is pushed to a half-locking position from a full-locking position, and the ice breaking action is completed.
After the ice breaking action is finished, the electric release transmission mechanism drives the sliding block to reset, and the pawl linkage arm drives the pawl subassembly to return to the full-open position of the door lock; the self-priming release rocker arm rotates to an initial position under the action of a self-priming release rocker arm return spring, and a second pin shaft on the self-priming release rocker arm stirs the orbital transfer rocker arm to rotate; the actuator releases the pull wire, the self-suction rocker arm sub-assembly rotates to the initial position under the action of the self-suction rocker arm return spring and drives the self-suction linkage arm to rotate to the initial position, and after the self-suction rocker arm sub-assembly returns to the initial position, the ice breaking reset action is completed.
Before explaining the beneficial effects of the present invention, the self-closing function and the ice breaking function of the automobile door lock in the prior art are introduced.
(1) Self-suction function: door lock 100 is closed from a fully open position (as shown in fig. 1) to a half locked position (as shown in fig. 2), and the actuator pulls the door lock from the half locked position to the full locked position (as shown in fig. 3) via a pull wire, and it can be seen from fig. 1-3 that the positions of latch 200, ratchet sub-assembly 3 and pawl sub-assembly 6 change, and the engagement states of ratchet sub-assembly 3 and pawl sub-assembly 6 change. The lock catch 200 is arranged on a vehicle column, the door lock 100 is arranged on a vehicle door sheet metal and can rotate along with a vehicle door hinge, and the actuator pulls the inner lock mechanism through a pull wire to enable the ratchet wheel sub-assembly 3 to move from a half-locking position to a full-locking position, so that self-closing action is completed, and the vehicle door is closed.
(2) The ice breaking function: when the door lock performs an electrical release operation, if the vehicle BCM determines that the door is frozen, the electrical release mechanism is not reset, the pawl subassembly 6 remains in the position shown in fig. 5, the actuator 300 pushes the ratchet subassembly 3 in the door lock 100 through the pull wire, and pushes the door open at an angle by the reaction force of the latch 200, at which time the ratchet and pawl have disengaged from the semi-locked position, providing assistance for manual or electrical opening of the door.
The beneficial effects of the invention are: according to the invention, through the optimized design of the lock body structure, two completely opposite functions of self-attraction and ice breaking of the door lock are realized through the single pull-wire actuator. Compared with a double-stay-wire actuator for realizing self-absorption and ice breaking functions, the self-absorption and ice breaking device has the advantages that one stay wire is reduced, and the complexity of the actuator is reduced; compared with a self-suction door lock, an actuator and an auxiliary ice breaking mechanism, the auxiliary ice breaking mechanism is reduced. The cost of the whole vehicle door closing system is reduced, the installation is more convenient, and the vehicle door closing system can be popularized to more vehicle types subsequently so as to realize platform and universal design and bring considerable economic benefits to host factories and suppliers; even as other technical platforms to communicate, revealing the innovative capabilities of the company.
According to the invention, by improving the integration level of the door lock mechanism, the complexity degree of the periphery of the vehicle door opening and closing system is reduced, the reliability is improved, and the installation is convenient; the convenience of the host factory in selecting and arranging the door locks is improved, and the use cost of the host factory and suppliers is reduced; the generalization, the light weight and the platformization of the product can be realized.
Drawings
FIG. 1 is a schematic diagram illustrating a relationship between a fully opened position of a door lock and a position of a shackle in the prior art;
FIG. 2 is a schematic diagram illustrating a relationship between a semi-locking position of a door lock and a locking device in the prior art;
FIG. 3 is a schematic diagram illustrating a relationship between a fully locked position of a door lock and a latch according to the prior art;
FIG. 4 is a schematic view of a prior art pawl subassembly in position after an electrical release of a door latch;
FIG. 5 is a prior art schematic illustration of ratchet and pawl positions after an ice breaking operation has been performed;
FIG. 6 is a schematic structural view of the present invention;
FIG. 7 is an exploded view of the structure of the door lock of the present invention;
FIG. 8 is a schematic diagram showing the movement of each component during the self-attraction process of the door lock of the present invention;
FIG. 9 is a schematic view of the self-closing process of the door lock of the present invention;
FIG. 10 is a schematic view of the door lock of the present invention self-priming to a maximum position;
FIG. 11 is a schematic view of the movement path of the push arm of the door lock of the present invention;
FIG. 12 is a schematic diagram of the movement of various parts of the door lock during the ice breaking process;
FIG. 13 is a schematic diagram of the positions of the related parts of the door lock of the present invention when the door lock completes the ice breaking operation;
fig. 14 is a schematic diagram of the reset operation of the door lock after the ice breaking is completed.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and examples, but the invention is not limited thereto.
Referring to fig. 6 and 7, the self-attraction and ice-breaking mechanism for the automobile door lock comprises a door lock and an actuator, wherein the actuator adopts a single pull wire actuator, and a pull wire is connected with a related movement mechanism in the door lock.
The parts related to the self-suction and ice-breaking functions in the door lock mainly comprise: the self-priming rocker arm assembly comprises a base plate 2, a ratchet sub-assembly 3, a pawl sub-assembly 6, a ratchet shaft 56, a ratchet spring 69, a pawl shaft 57, a pawl spring 70, a ratchet linkage shaft 65, a lock port support 35, a pawl linkage arm 8, a base plate 26, a self-priming linkage arm return spring 68, a self-priming release rocker arm 18, a self-priming release rocker arm return spring 73, a first pin 59-1, a second pin 59-2, a slider 19, a self-priming linkage arm shaft 63, a self-priming rocker arm shaft 62, a self-priming rocker arm return spring 67, a self-priming rocker arm sub-assembly 13, a gasket 66, a pushing arm 15, a pushing arm shaft 64, a self-priming linkage arm 16, a track-changing rocker arm shaft 58 and a track-changing rocker arm 17.
The shell of the door lock is formed by combining a bottom plate 2 and a lock opening bracket 35, a ratchet shaft 56 and a pawl shaft 57 are riveted on the bottom plate 2 of the door lock, and the ratchet sub-assembly 3 and the pawl sub-assembly 6 are respectively and rotatably arranged on corresponding shafts; a ratchet wheel linkage shaft 65 is also riveted on the ratchet wheel sub-assembly 3; the locking port bracket 35 penetrates through the ratchet wheel sub-assembly 3 and the pawl sub-assembly 6 to be assembled on the bottom plate 2; the pawl linkage arm 8 is arranged on the pawl shaft 57 and is embedded on the pawl sub-assembly 6; the locking port bracket 35 is rotatably provided with a self-priming rocker arm subassembly 13, and the self-priming rocker arm subassembly 13 is installed on a self-priming rocker arm shaft 62 and is provided with a gasket 66; the self-suction rocker arm sub-assembly 13 is connected with a pull wire 400 of the actuator, and the pull wire is fixed on the locking port bracket 35 in a buckling manner; the eccentric position of the self-priming rocker arm subassembly 13 is rotationally connected with a self-priming linkage arm 16, one end, far away from a rotating shaft of the self-priming linkage arm 16, of the self-priming linkage arm 16 is provided with a first pin 59-1 and a drag hook capable of pulling the ratchet wheel subassembly 6, and in the rotating process of the self-priming linkage arm 16, the first pin 59-1 slides along a guide track 35-1 on the locking notch support 35; the eccentric position of the self-priming rocker arm subassembly 13 is rotationally connected with a pushing arm 15, and a columnar bulge is arranged on the pushing arm 15; the eccentric position of the self-absorption rocker arm subassembly 13 is rotationally connected with the orbital transfer rocker arm 17, two sliding grooves 17-1 are respectively arranged on two sides of the orbital transfer rocker arm shaft 58, and the bulge on the push arm 15 is positioned in the sliding groove 17-1 at one end of the orbital transfer rocker arm 17; the fore shaft bracket 35 is also provided with a self-priming releasing rocker arm 18, the self-priming releasing rocker arm 18 is connected with a second pin shaft 59-2, and the second pin shaft 59-2 is positioned in a sliding groove at the other end of the orbital transfer rocker arm 17; the sliding block 19 is arranged on the locking port support 35 in a sliding mode, and the sliding block 19 is used for pushing the pawl linkage arm 8 to drive the pawl subassembly 6 to rotate and pushing the self-absorption release rocker arm 18 to rotate. The self-priming rocker arm assembly 13, the self-priming linkage arm 16 and the self-priming release rocker arm 18 are respectively connected with a self-priming rocker arm return spring 67, a self-priming linkage arm return spring 68 and a self-priming release rocker arm return spring 73.
The self-priming interlock arm shaft 63 and the push arm shaft 64 are located on both sides of the self-priming rocker arm shaft 62, and the orbital transfer rocker arm shaft 58 and the self-priming interlock arm shaft 63 are located on the same side of the self-priming rocker arm shaft 62.
The following details the specific control process of the present invention:
1. self-closing function of door lock
1.1 self-priming Process
As shown in fig. 8 and 9, the door lock is from the fully opened position to the half-locked position, the position of the orbital transfer rocker arm 17 is determined by the second pin 59-2 riveted to the self-priming release rocker arm 18, when the actuator pulls the self-priming rocker arm subassembly 13 through the pull wire 400, the push arm 15 riveted to the self-priming rocker arm subassembly 13 by the push arm shaft 64 cannot push the ratchet wheel linkage shaft 65, and the transmission line is in the blocked state.
When the actuator performs self-priming, the self-priming rocker arm sub-assembly is pulled 13 by a pull wire 400 (in the direction of arrow 110); the self-priming rocker arm subassembly 13 rotates (in the direction of arrow 120) about the self-priming rocker arm shaft 62; the first pin shaft 59-1 is riveted on the self-priming linkage arm 16, the self-priming linkage arm 16 is riveted on the self-priming rocker arm subassembly 13 through the self-priming linkage arm shaft 63, the self-priming linkage arm 16 enables the first pin shaft 59-1 to be tightly attached to the guide track 35-1 on the locking port bracket 35 under the action of the self-priming linkage arm return spring 68, and the self-priming linkage arm 16 is driven to move along the guide track 35-1 on the locking port bracket 35 and rotate around the self-priming linkage arm shaft 63 (the movement direction is shown by an arrow 130) when the self-priming rocker arm subassembly 13 rotates; with the movement of the self-priming linkage arm 16, the self-priming linkage arm 16 pulls the protrusion on the ratchet sub-assembly 3, the profile of the ratchet slides along the contact surface of the pawl sub-assembly 6, and pushes the pawl sub-assembly 6 to rotate a certain angle along the pawl shaft 57 until the ratchet moves to the full-locking position (the movement direction of the ratchet is shown by an arrow 140), the pawl sub-assembly 6 returns to the initial position (rotates in the direction of an arrow 150) under the action of the pawl return spring 70, the ratchet sub-assembly 3 and the pawl sub-assembly 6 are engaged in the full-locking position, and the self-priming action is completed.
1.2 reset action after door lock suction
After the self-priming action is completed, the actuator performs a resetting action, as shown in fig. 10, the actuator releases the pull wire in the direction indicated by the arrow 160, the self-priming rocker arm subassembly 13 rotates around the self-priming rocker arm shaft 62 in the direction indicated by the arrow (arrow 170) under the action of the self-priming rocker arm return spring 67, and the pull wire 400 is wound in the groove of the self-priming rocker arm subassembly 13; the self-priming rocker arm subassembly 13 pushes the self-priming linkage arm 16 to rotate around the self-priming rocker arm shaft 62, and simultaneously, under the action of the self-priming rocker arm return spring 67, the first pin 59-1 slides against the guide track 35-1 on the locking notch bracket 35, and the self-priming linkage arm 16 returns to the initial position according to a set route. And finishing the reset action of the door lock after self-attraction.
2. Ice breaking function of door lock
2.1 icebreaking action of door Lock
Referring to fig. 7 and 11, when the door lock is in a fully locked position, when the door lock is electrically released, the slider 19 pushes the pawl linkage arm 8 to drive the pawl subassembly 6 to rotate around the pawl shaft 57, and also pushes the self-priming release rocker arm 18 to rotate around the raised cylindrical shaft on the fore shaft bracket 35, the second pin 59-2 riveted on the self-priming release rocker arm 18 is installed in the chute of the orbital transfer rocker arm 17, the cylindrical protrusion on the push arm 15 is in the chute 17-1 at the other end of the orbital transfer rocker arm 17 (i.e. the motion track of the push arm), and the self-priming release rocker arm 18 rotates to a set angle to convert the motion track of the push arm 15 into a track capable of realizing ice breaking.
As shown in fig. 12, when the door lock is in the electric release operation, the slide block 19 is pushed by the electric release transmission mechanism to move in the direction shown in the figure (i.e. the direction of arrow 190); the slide block 19 pushes the pawl linkage arm 8 to drive the pawl subassembly 6 to rotate around the pawl shaft 57 (i.e. the direction of arrow 200); the pawl is disengaged from the ratchet wheel, so that the unlocking action of the door lock is realized; meanwhile, the slide block 19 pushes the self-priming release rocker 18 to rotate along the fixed shaft on the locking notch bracket 35 (i.e. in the direction of arrow 210); the second pin 59-2 arranged on the self-priming release rocker 18 pulls the orbital transfer rocker 17 to rotate around the orbital transfer rocker shaft 58 (i.e. in the direction of arrow 220); the track transfer rocker arm 17 pulls the push arm 15 to rotate around the push arm shaft 62, and the push arm 15 is adjusted to a track for realizing ice breaking operation during self-suction from the idle operation during self-suction door lock closing, so as to prepare for the ice breaking operation.
With continued reference to fig. 12 and 13, after the door lock is electrically released, the vehicle BCM determines that the door is frozen, the slider 19 does not perform the reset operation, but stops at the electrically released position (the position where the push pawl subassembly is disengaged from the ratchet subassembly), and performs the ice breaking operation, and the actuator pulls the self-priming rocker arm subassembly 13 (i.e., in the direction indicated by the arrow 230) by a pull wire, so that the self-priming rocker arm subassembly 13 rotates around the self-priming rocker arm shaft 62 (i.e., in the direction indicated by the arrow 240); the self-priming rocker arm subassembly 13 carries the pushing arm 15 to rotate around the pushing arm shaft 64, and the pushing arm 15 also moves along the sliding groove 17-1 of the orbital transfer rocker arm 17 (i.e. two movement directions shown by two arrows 250); until the pushing arm 15 contacts with the ratchet wheel linkage shaft 65 and pushes the ratchet wheel sub-assembly 3 to rotate around the ratchet wheel shaft 56, the ratchet wheel is pushed out of the half-locking state from the full-locking position, and therefore the door lock is opened, and the ice breaking action is completed. At this time, the self-priming rocker arm subassembly 13 will also rotate around the self-priming linkage arm shaft 63 with the self-priming linkage arm 16 and slide along the guide track 35-1 of the locking notch bracket 35 (i.e. two movement directions indicated by two arrows 260), and the ratchet wheel subassembly 3 cannot be pulled because the position of the orbital transfer rocker arm 17 has been changed.
2.2 reset action after door Lock opens Ice
After the door lock finishes the ice breaking action, the electric release releasing mechanism is reset, and as shown in fig. 14, the slide block 19 moves in the direction shown in the figure (the direction of an arrow 270); the pawl linkage arm 8 drives the pawl subassembly 6 to rotate (in the direction of an arrow 280) around the pawl shaft 57 and return to the full-open position of the door lock; since the slider 19 no longer acts on the self-priming release rocker 18, the self-priming release rocker 18 rotates in the illustrated direction back to the initial position (in the direction of arrow 290) by the self-priming release rocker return spring 73; the second pin 59-2 on the self-priming release rocker 18 pulls the orbital transfer rocker 17 to rotate around the orbital transfer rocker shaft 58 (i.e., in the direction indicated by the arrow 300); when the actuator releases the pull wire (in the direction of arrow 310), the self-priming rocker arm subassembly 13 rotates around the self-priming rocker arm shaft 62 (in the direction of arrow 320) under the action of the self-priming rocker arm return spring 67; the self-priming rocker arm subassembly 13 drives the self-priming linkage arm 16 to rotate around the self-priming linkage arm shaft 63, and simultaneously slides along the guide track 35-1 on the locking port bracket 35 according to the direction (arrow 330) shown in the figure. After the self-suction rocker arm subassembly 13 moves to the initial position, the ice breaking reset action is finished.
The above embodiments are only intended to illustrate the technical solution of the present invention and not to limit the same, and it should be understood by those skilled in the art that the modifications and equivalents of the embodiments of the present invention can be made with reference to the above embodiments, and any modifications and equivalents without departing from the spirit and scope of the present invention are within the scope of the claims of the appended patent application.
Claims (8)
1. Automobile door lock is from actuation and mechanism that opens ice, including lock and executor, the casing of lock is closed by bottom plate and fore shaft support and is formed, rotates on the bottom plate of lock to set up ratchet sub assembly and pawl sub assembly, its characterized in that:
the ratchet wheel sub-assembly is fixedly connected with a ratchet wheel linkage shaft, a pawl linkage arm is arranged on the pawl shaft, and the pawl linkage arm is embedded on the pawl sub-assembly;
the self-absorption rocker arm subassembly is rotatably arranged on the fore shaft bracket and is connected with a pull wire of an actuator, a pull wire buckle is fixed on the fore shaft bracket, and the actuator is a single pull wire actuator;
the eccentric position of the self-absorption rocker arm sub-assembly is rotationally connected with a self-absorption linkage arm, one end, far away from a rotating shaft of the self-absorption linkage arm, of the self-absorption linkage arm is provided with a first pin shaft and a drag hook capable of pulling the ratchet wheel sub-assembly, and in the rotating process of the self-absorption linkage arm, the first pin shaft slides along a guide rail on the fore shaft support;
the eccentric position of the self-absorption rocker arm sub-assembly is rotationally connected with a push arm, and a bulge is arranged on the push arm;
the eccentric position of the self-absorption rocker arm sub-assembly is rotationally connected with a track-changing rocker arm, two sides of a track-changing rocker arm shaft are respectively provided with a sliding groove, and a bulge on the pushing arm is positioned in a sliding groove 17-1 at one end of the track-changing rocker arm;
a self-absorption releasing rocker arm is further arranged on the fore shaft bracket, a second pin shaft is connected to the self-absorption releasing rocker arm, and the second pin shaft is positioned in a sliding groove at the other end of the orbital transfer rocker arm;
the locking port support is provided with a sliding block in a sliding mode, and the sliding block is used for pushing the pawl linkage arm to drive the pawl to rotate and pushing the self-priming release rocker arm to rotate;
the self-priming rocker arm assembly, the self-priming linkage arm and the self-priming release rocker arm are respectively connected with return springs.
2. The self-attraction and ice-breaking mechanism of the automobile door lock as claimed in claim 1, characterized in that: the rotating shaft of the self-absorption linkage arm and the rotating shaft of the pushing arm are positioned on two sides of the rotating shaft of the self-absorption rocker arm assembly, and the rotating shaft of the orbital transfer rocker arm and the rotating shaft of the self-absorption linkage arm are positioned on the same side of the rotating shaft of the self-absorption rocker arm assembly.
3. The automobile door lock self-attraction and ice-breaking mechanism as claimed in claim 1, characterized in that: the sliding block is controlled to slide by an electric release transmission mechanism.
4. A self-attraction control method of an automobile door lock, characterized in that the method employs the self-attraction and ice-breaking mechanism as claimed in any one of claims 1 to 3, comprising the steps of: the actuator pulls the self-suction rocker arm sub-assembly to rotate through the pull wire, the self-suction rocker arm sub-assembly drives the self-suction linkage arm to rotate, the draw hook on the self-suction linkage arm pulls the protrusion on the ratchet wheel sub-assembly, so that the ratchet wheel sub-assembly slides along the pawl sub-assembly and pushes the pawl sub-assembly to rotate until the ratchet wheel sub-assembly moves to the full-locking position, and the pawl sub-assembly resets and is meshed with the ratchet wheel sub-assembly to complete the self-suction closing action.
5. An automobile door lock self-attraction control method as claimed in claim 4, wherein during rotation of the self-attraction linkage arm, the first pin on the self-attraction linkage arm abuts against the guide rail on the locking notch bracket under the action of the return spring of the self-attraction linkage arm.
6. The self-attraction control method of an automobile door lock as claimed in claim 4, wherein after the self-attraction action is completed, the actuator performs a reset action, the self-attraction rocker arm subassembly is reset by the self-attraction rocker arm return spring and pushes the self-attraction linkage arm to rotate around the self-attraction rocker arm shaft, and the self-attraction linkage arm returns to an initial position along a set route.
7. The ice breaking control method of the automobile door lock is characterized in that the method adopts the self-attracting and ice breaking mechanism as claimed in any one of claims 1 to 3, and comprises the following steps: firstly, when the door lock is in electric release operation, the electric release transmission mechanism pushes the sliding block to slide, on one hand, the sliding block pushes the pawl subassembly and the ratchet subassembly to be separated through the pawl linkage arm, on the other hand, the sliding block adjusts the pushing arm to a track for realizing ice breaking action through the transmission of the self-absorption release rocker arm and the track change rocker arm;
secondly, when the BCM judges that the door of the vehicle is frozen, the sliding block does not execute reset action, the actuator pulls the self-absorption rocker arm sub-assembly to rotate through the pull wire, the self-absorption rocker arm sub-assembly drives the pushing arm to rotate around the pushing arm shaft, meanwhile, the pushing arm moves along the sliding groove of the track-changing rocker arm through the protrusion of the pushing arm and pushes the ratchet wheel sub-assembly to rotate around the ratchet wheel linkage shaft, the ratchet wheel is pushed to a half-locking position from a full-locking position, and the ice breaking action is completed.
8. An ice breaking control method for an automobile door lock according to claim 7, characterized in that after the ice breaking action is completed, the electric release transmission mechanism drives the slide block to reset, and the pawl linkage arm drives the pawl subassembly to return to the full open position of the door lock; the self-priming release rocker arm rotates to an initial position under the action of a self-priming release rocker arm return spring, and a second pin shaft on the self-priming release rocker arm stirs the orbital transfer rocker arm to rotate; the actuator releases the pull wire, the self-suction rocker arm sub-assembly rotates to the initial position under the action of the self-suction rocker arm return spring and drives the self-suction linkage arm to rotate to the initial position, and after the self-suction rocker arm sub-assembly returns to the initial position, the ice breaking reset action is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211319844.3A CN115627978B (en) | 2022-10-26 | 2022-10-26 | Self-priming and ice breaking mechanism of automobile door lock and self-priming and ice breaking control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211319844.3A CN115627978B (en) | 2022-10-26 | 2022-10-26 | Self-priming and ice breaking mechanism of automobile door lock and self-priming and ice breaking control method |
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| CN115627978A true CN115627978A (en) | 2023-01-20 |
| CN115627978B CN115627978B (en) | 2023-09-15 |
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| CN202211319844.3A Active CN115627978B (en) | 2022-10-26 | 2022-10-26 | Self-priming and ice breaking mechanism of automobile door lock and self-priming and ice breaking control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118728195A (en) * | 2024-07-01 | 2024-10-01 | 江苏旭顺东明云智能科技有限公司 | A car self-priming and self-unlocking and door lock driver |
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| CN107587799A (en) * | 2017-10-11 | 2018-01-16 | 皓月汽车安全系统技术股份有限公司 | A kind of self-priming rear door lock |
| CN107605284A (en) * | 2017-10-31 | 2018-01-19 | 无锡瑞林控制软件有限公司 | Self-priming side door lock unlocking clutch |
| CN113944382A (en) * | 2021-11-11 | 2022-01-18 | 无锡忻润汽车安全系统有限公司 | Integrated self-suction electric ice-breaking door lock |
| CN115030611A (en) * | 2022-07-08 | 2022-09-09 | 无锡亿莱奇汽车科技有限公司 | Novel side door lock transmission mechanism capable of realizing electric opening self-absorption and ice breaking functions |
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2022
- 2022-10-26 CN CN202211319844.3A patent/CN115627978B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107587799A (en) * | 2017-10-11 | 2018-01-16 | 皓月汽车安全系统技术股份有限公司 | A kind of self-priming rear door lock |
| CN107605284A (en) * | 2017-10-31 | 2018-01-19 | 无锡瑞林控制软件有限公司 | Self-priming side door lock unlocking clutch |
| CN113944382A (en) * | 2021-11-11 | 2022-01-18 | 无锡忻润汽车安全系统有限公司 | Integrated self-suction electric ice-breaking door lock |
| CN115030611A (en) * | 2022-07-08 | 2022-09-09 | 无锡亿莱奇汽车科技有限公司 | Novel side door lock transmission mechanism capable of realizing electric opening self-absorption and ice breaking functions |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118728195A (en) * | 2024-07-01 | 2024-10-01 | 江苏旭顺东明云智能科技有限公司 | A car self-priming and self-unlocking and door lock driver |
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| CN115627978B (en) | 2023-09-15 |
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