CN112112497A - Unlocking mechanism of automobile engine hood lock - Google Patents

Unlocking mechanism of automobile engine hood lock Download PDF

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Publication number
CN112112497A
CN112112497A CN202010949653.XA CN202010949653A CN112112497A CN 112112497 A CN112112497 A CN 112112497A CN 202010949653 A CN202010949653 A CN 202010949653A CN 112112497 A CN112112497 A CN 112112497A
Authority
CN
China
Prior art keywords
hole
lock
locking
clamping
base plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010949653.XA
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Chinese (zh)
Inventor
潘凤刚
孙玉才
韩小爽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Changan Automobile Co Ltd
Original Assignee
Chongqing Changan Automobile Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing Changan Automobile Co Ltd filed Critical Chongqing Changan Automobile Co Ltd
Priority to CN202010949653.XA priority Critical patent/CN112112497A/en
Publication of CN112112497A publication Critical patent/CN112112497A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B83/00Vehicle locks specially adapted for particular types of wing or vehicle
    • E05B83/16Locks for luggage compartments, car boot lids or car bonnets
    • E05B83/24Locks for luggage compartments, car boot lids or car bonnets for car bonnets
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00Locks or fastenings with special structural characteristics
    • E05B63/14Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other
    • E05B63/146Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other locks with two or more bolts, each bolt itself being a tumbler
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B79/00Mounting or connecting vehicle locks or parts thereof
    • E05B79/10Connections between movable lock parts
    • E05B79/20Connections between movable lock parts using flexible connections, e.g. Bowden cables
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00Power-actuated vehicle locks
    • E05B81/02Power-actuated vehicle locks characterised by the type of actuators used
    • E05B81/04Electrical
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/20Bolts or detents
    • E05B85/24Bolts rotating about an axis

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Lock And Its Accessories (AREA)
  • Superstructure Of Vehicle (AREA)

Abstract

The invention relates to an unlocking mechanism of an automobile engine hood lock, which comprises a base plate, wherein a U-shaped avoidance opening is arranged in the middle of the upper part of the base plate, and mounting holes are respectively arranged on the left side and the right side of the base plate; a first connecting hole, a second connecting hole and a third connecting hole are formed around the lower part close to the U-shaped avoidance port; two support lugs at the right lower part of the base plate are respectively provided with a screw hole; a first clamping hole is formed in the left lower portion close to the third connecting hole, and a polygonal window is formed in the left lower portion close to the second connecting hole; a first bayonet and a second bayonet are respectively arranged on two forward lugs at the lower edge of the right part of the substrate, and a second clamping hole is arranged on one backward lug; a locking clamping plate, a locking moving claw, a cover plate and a clamping plate tension spring which are matched with each other are arranged on the back of the base plate; two lock hooks, an electric actuator and a guy cable assembly which are mutually matched are arranged in front of the base plate. The invention can solve the problems of inconvenience and large arrangement space of manual unlocking of a first lock and a second lock of an automobile engine hood lock.

Description

Unlocking mechanism of automobile engine hood lock
Technical Field
The invention relates to an automobile engine, in particular to an unlocking mechanism of an automobile engine hood lock. In particular to an unlocking mechanism of an automobile engine hood lock, which can electrically unlock, improve the use convenience and enhance the scientific and technological feeling of vehicles.
Background
The engine lock cover is a member for protecting the engine. Most of the existing engine hood locks are unlocked manually, and the existing engine hood locks are inconvenient to unlock. And the engine hood lock of part use electronic unblock adopts the rotation axis of rotating electrical machines and the rotation axis direct welded connection of lock body (one lock or two locks), does not have the arm of force of action, needs the rotating electrical machines to provide very big moment of torsion and can unblock. The motor has high torque requirement, so that the motor has large size, high cost and higher requirement on arrangement space; and one motor can only unlock one lock, and two motors are needed to completely unlock the engine lock cover completely and automatically. Therefore, the existing unlocking mechanism of the hood lock of the automobile needs to develop an additional structure.
CN209509788U discloses "electronic structure of opening of engine bonnet lock", which comprises a lock body, one side of lock body is provided with the handle, the one end of handle is close to lock body department and is provided with the safety hook, the through-hole has been seted up to the corner of safety hook, one side of through-hole is provided with solid fixed ring, the opposite side of through-hole is provided with the support column, solid fixed ring's one end has the carousel closely welded to be kept away from to the support column, the jack has been seted up on the surface of carousel, solid fixed ring's one side is provided with the motor, one side of lock body has closely welded first installation piece, one side closely welded of first installation piece has the fixed plate, the top of fixed plate is provided with. The electric unlocking mechanism adopts a rotating motor to open the engine hood lock: the output shaft of the rotating motor is connected with the rotating shaft of the secondary lock of the engine hood lock in a welding mode, and the output shaft of the motor rotates to drive the secondary lock to rotate so as to unlock the engine hood lock. The motor acts on the rotating shaft center of the secondary lock directly, no acting arm exists, and the purpose of unlocking the engine hood lock can be achieved only by providing a large torque by the motor. The requirement on the torque of the motor is high, the corresponding motor is high in cost and large in size, and the challenge on the arrangement of the engine hood lock is large. In addition, there is no mention of a lock unlocking method. If the unlocking mode of one lock adopts the same rotating unlocking mode of two locks, two rotating motors are needed, and the cost and the space arrangement are more challenges.
CN204436087U discloses "a hood lock mechanism and a car", the hood lock mechanism includes: the engine bonnet locks, the engine bonnet locks include: the main lock hook limiting part is arranged on the engine hood lock through a rotating shaft and comprises a first state of abutting against the main lock hook and a second state of rotating to be separated from the main lock hook; the electromagnetic device is fixed on the engine hood lock and comprises a working state and an idle state, when the electromagnetic device is in the working state, the electromagnetic device attracts the main lock hook limiting part, the main lock hook limiting part is in a second state, when the electromagnetic device is in the idle state, the electromagnetic device loosens the main lock hook limiting part, and the main lock hook limiting part is in a first state; the engine hood stay wire is connected with the main lock hook limiting part. The unlocking mode is as follows: after the electromagnetic coil is electrified, the inhaul cable is pulled to move to unlock the first lock of the engine hood lock, then the second lock is unlocked by pulling the second-level unlocking handle in the engine cabin, and finally the unlocking of the engine hood lock is completed. The technical scheme adopts the electromagnetic coil, the outside is not protected, and the high-temperature and high-humidity environment of the cabin is easy to corrode, rust and lose efficacy. Furthermore, a second lock needs to be manually unlocked.
The technical solutions disclosed in the above two patent documents are a useful attempt in the technical field.
Disclosure of Invention
The invention aims to provide an unlocking mechanism of an automobile engine hood lock, which can solve the problems of inconvenience and large arrangement space of manual unlocking of a first lock and a second lock of the automobile engine hood lock and can reduce the cost.
The invention relates to an unlocking mechanism of an automobile engine hood lock, which comprises a base plate, wherein a U-shaped avoidance opening is arranged in the middle of the upper part of the base plate, and mounting holes are respectively arranged on the left side and the right side of the upper part of the base plate, and the unlocking mechanism is characterized in that: a first connecting hole, a second connecting hole and a third connecting hole are formed in the periphery of the lower portion, close to the U-shaped avoidance port, and the connecting line of the centers of the three connecting holes is in an inverted triangle shape; two support lugs at the right lower part of the substrate are respectively provided with a screw hole; a first clamping hole is formed in the left lower portion close to the third connecting hole, and a polygonal window is formed in the left lower portion close to the second connecting hole; the two forward lugs and the one backward lug are arranged on the lower side of the right part of the substrate, the two forward lugs are respectively provided with a first bayonet and a second bayonet, and the backward lug is provided with a second clamping hole;
a locking clamping plate, a locking moving claw, a cover plate and a clamping plate tension spring which are matched with each other are arranged on the back of the base plate; and the front surface of the base plate is provided with two mutually matched lock hooks, an electric actuator and a guy cable assembly.
Furthermore, a first through hole is formed in the middle of a locking and clamping plate arranged behind the substrate, a locking head is arranged at the upper left end, a locking hook nozzle is arranged at the left side, a third bayonet is arranged at the lower right end, and the first through hole corresponds to a first connecting hole in the substrate;
the middle part of a locking moving claw arranged behind the substrate is provided with a second through hole, the left side of the upper part of the middle part of the locking moving claw is provided with a third clamping hole, the upper end of the locking moving claw is provided with a clamping hook, the lower part of the locking moving claw is provided with a bending structure and a pull rope bayonet, the second through hole corresponds to the second connecting hole in the substrate, and the bending structure and the pull rope bayonet penetrate through the polygonal window in the substrate and extend to the front of the substrate.
The right part of the cover plate arranged behind the substrate is provided with a first through hole, the left part of the cover plate is provided with a second through hole, and the left side of the cover plate is provided with a fourth bayonet; the cover plate is overlapped on the first locking clamping plate and the first locking moving claw, the first through hole corresponds to a first through hole in the first locking clamping plate, the second through hole corresponds to a second through hole in the first locking moving claw and is respectively connected to the back of the base plate in a positioning mode through a first rivet and a second rivet, and a clamping hook at the upper end of the first locking moving claw is correspondingly contacted with a locking head at the upper end of the first locking clamping plate;
the clamping plate tension spring is transversely arranged at the lower part of the back of the base plate, one end of the clamping plate tension spring is hooked in the second clamping hole of the support lug at the lower side of the back of the base plate, and the other end of the clamping plate tension spring is hooked on the third clamping opening of the locking clamping plate.
And a locking pawl torsion spring is arranged between the one locking moving pawl and the cover plate, one end of the locking pawl torsion spring is inserted into the third clamping hole of the one locking moving pawl, and the other end of the locking pawl torsion spring is hooked on the fourth clamping hole of the cover plate.
Furthermore, the two lock hooks arranged in front of the substrate are V-shaped, the left upper ends of the two lock hooks are bent forwards, the lower end parts of the two lock hooks are provided with third through holes, the right lower parts of the three through holes are provided with fourth clamping holes and groove structures, the right upper ends of the two lock hooks are provided with hook structures, and the left upper ends of the two lock hooks are provided with opening handles bent forwards; the third through hole corresponds to the third connecting hole in the substrate, and the second latch hook is positioned and connected to the front face of the substrate through a third rivet.
And further, a second lock torsion spring is arranged between the third rivet and the second lock hook, one end of the second lock torsion spring is inserted into the first clamp hole in the base plate, and the other end of the second lock torsion spring is hooked in a fourth clamp hole at the lower part of the right side of the second lock hook.
Furthermore, an electric actuator arranged in front of the base plate is respectively matched, connected and fixed with the two screw holes in the lower right part of the base plate through two bolts, a transverse push rod is arranged at the output end of the left part of the electric actuator, and a clamping joint is arranged at the left end of the push rod.
Furthermore, the inhaul cable assembly arranged in front of the base plate is formed by matching and connecting a first die-casting head, a core wire, a first sleeve cap, a sleeve, a second sleeve cap and a second die-casting head, and the first die-casting head is matched and connected with a clamping head of the electric actuator; and the second die-casting head is in bayonet fit connection with a guy cable which is arranged behind the base plate and extends from the locking movable claw to the front of the base plate.
Furthermore, first sleeve pipe cap, the second sleeve pipe cap of cable subassembly respectively with first bayonet socket, second bayonet socket joint on the base plate.
The unlocking mechanism of engine bonnet lock is under one lock locking state, and one locking moves the claw and pushes down one lock cardboard, and electric actuator receives one lock unblock signal, carries out the action of pulling back, and the pulling cable, cable subassembly drive one locking move the claw and rotate, and one locking moves the claw and rotates and lock the cardboard separation with one, and one lock cardboard receives the pulling force effect rotation of cardboard extension spring, and the unblock is one locked.
After the first lock is unlocked, when the electric actuator receives the second lock unlocking signal, the pushing-out action is executed, the push rod at the output end of the electric actuator pushes the second lock hook to rotate the second lock hook, and therefore the second lock is unlocked.
The invention unifies the unlocking positions of the first lock and the second lock to the same side (front side) of the substrate through the first locking movable claw, and completes the electric unlocking of the two locks through the pull-back and push-out actions executed after receiving different signals through the electric actuator, thereby having convenient operation. And the action points of the first locking movable claw and the second locking hook have action force arms with certain lengths away from the rotation axis, so that the requirement on the execution force of the electric actuator is reduced, and the actuator with small volume and low cost can be adopted, so that the engine hood lock has the advantages of simple structure, low cost, small occupied space and favorable arrangement compared with other engine hood locks.
Drawings
FIG. 1 is a schematic view (front) of the structure of the substrate of the present invention;
FIG. 2 is a schematic view of components mounted on the rear face of a substrate;
FIG. 3 is a schematic view of a lock catch plate;
FIG. 4 is a schematic view of a locking pawl;
FIG. 5 is an enlarged view of portion A of FIG. 4;
FIG. 6 is a schematic structural view of a cover plate;
FIG. 7 is an exploded view of FIG. 2;
FIG. 8 is a schematic view of components mounted on the front face of the substrate;
FIG. 9 is a schematic diagram of a two-way latch hook;
FIG. 10 is a schematic view of the electric actuator;
FIG. 11 is a schematic structural view of a cable assembly;
FIG. 12 is an exploded view of FIG. 8;
FIG. 13 is a schematic view of a locking plate closed/open state;
fig. 14 is a schematic view of the closed/open state of the two-way latch hook.
In the figure: 1-substrate, 10-mounting hole, 11-first connecting hole, 12-second connecting hole, 13-third connecting hole, 14-screw hole, 15-first clamping hole, 16-polygonal window, 17-first clamping opening, 18-second clamping opening and 19-second clamping hole; 110-U-shaped dodging port;
2-a locking plate, 21-a first via hole, 22-a locking head, 23-a locking hook mouth, 24-a third bayonet and 25-a first rivet;
3-a locking moving claw, 31-a second via hole, 32-a third clamping hole, 33-a clamping hook, 34-a cable bayonet, 35-a bending structure, 36-a locking claw torsion spring and 37-a second rivet;
4, a cover plate, 41, a first through hole, 42, a second through hole and 43, a fourth bayonet; 5, a clamping plate tension spring;
6-a second latch hook, 61-a third via hole, 62-a fourth latch hole, 63-a groove structure, 64-a hook structure, 65-an opening handle; 66-a second lock torsion spring, 67-a third rivet;
7-electric actuator, 71-clamping joint, 72-push rod, 73-bolt;
8-cable assembly, 81-first die-casting head, 82-core wire, 83-first ferrule cap, 84-ferrule, 85-second ferrule cap, 86-second die-casting head; 9-engine hood lock catch.
Detailed Description
The invention is further described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 14, the unlocking mechanism for an automobile hood lock includes a base plate 1, a U-shaped avoidance opening 110 is formed in the middle of the upper portion of the base plate 1, and mounting holes 10 are respectively formed in the left side and the right side of the base plate 1 to fix the base plate to an automobile body; the method is characterized in that: a first connecting hole 11, a second connecting hole 12 and a third connecting hole 13 are arranged around the lower part of the U-shaped avoidance port 110, and the connecting lines of the centers of the three connecting holes are in an inverted triangle shape; two support lugs at the right lower part of the base plate are respectively provided with a screw hole 14; a first clamping hole 15 is formed at the left lower part close to the third connecting hole 13, and a polygonal window 16 is formed at the left lower part close to the second connecting hole 12; two forward lugs and one backward lug are arranged at the lower edge of the right part of the substrate, a first bayonet 17 and a second bayonet 18 are respectively arranged on the two forward lugs, and a second clamping hole 19 is arranged on the backward lug;
a locking clamping plate 2, a locking moving claw 3, a cover plate 4 and a clamping plate tension spring 5 which are matched with each other are arranged on the back of the base plate 1; and the front surface of the base plate 1 is provided with a two-way latch hook 6, an electric actuator 7 and a guy cable assembly 8 which are matched with each other.
A first through hole 21 is formed in the middle of a lock catch plate 2 arranged behind the substrate 1, a locking head 22 is arranged at the left upper end, a lock hook mouth 23 is arranged at the left side, a third bayonet 24 is arranged at the right lower end, and the first through hole 21 corresponds to the first connecting hole 11 on the substrate 1;
a second through hole 31 is formed in the middle of one locking moving claw 3 arranged behind the substrate 1, a third clamping hole 32 is formed in the left side of the upper middle part, a clamping hook 33 is formed in the upper end of the locking moving claw, a bending structure 35 and a guy cable bayonet 34 are formed in the lower part of the locking moving claw, the second through hole 31 corresponds to the second connecting hole 12 in the substrate 1, and the bending structure 35 and the guy cable bayonet 34 penetrate through the polygonal window 16 in the substrate 1 and extend to the front of the substrate 1; thus, the function of controlling the unlocking of the two locks by one electric actuator is realized.
A first through hole 41 is arranged at the right part of the cover plate 4 arranged behind the substrate 1, a second through hole 42 is arranged at the left part of the cover plate, and a fourth bayonet 43 is arranged at the left side of the cover plate; the cover plate 4 is overlapped on one locking clamping plate 2 and one locking moving claw 3, the first through hole 41 corresponds to the first through hole 21 on the one locking clamping plate 2, the second through hole 42 corresponds to the second through hole 31 on the one locking moving claw 3, the first through hole and the second through hole are respectively positioned and connected on the back of the base plate 1 through the first rivet 25 and the second rivet 37, and the hook 33 at the upper end of the one locking moving claw 3 is correspondingly contacted with the locking head 22 at the upper end of the one locking clamping plate 2; the shaft axis of the first rivet is the rotation axis of the locking plate, and the shaft axis of the second rivet is the rotation axis of the locking moving claw;
the clamping plate tension spring 5 is transversely arranged at the lower part of the back of the base plate 1, one end of the clamping plate tension spring is hooked in the second clamping hole 19 of the supporting lug at the lower side of the back of the base plate 1, and the other end of the clamping plate tension spring is hooked on the third clamping opening 24 of the locking clamping plate 2. The tension of the clamping plate tension spring acts on the direction of opening the primary lock, and the tension of the clamping plate tension spring enables the primary lock clamping plate to rotate and be in a primary lock opening state (shown by dotted lines in fig. 13) under the condition that no locking movable claw acts. And a limiting flanging (not marked in the figure) of the lock clamping plate is limited on the lock shell 1 so as to prevent the lock clamping plate from rotating without limit.
A locking pawl torsion spring 36 is arranged between the first locking pawl 3 and the cover plate 4, one end of the locking pawl torsion spring 36 is inserted into the third clamping hole 32 of the first locking pawl 3, and the other end of the locking pawl torsion spring is hooked on the fourth clamping opening 43 of the cover plate 4. Therefore, the clamping hook at the upper end of the first locking movable claw can clamp the locking head at the upper end of the first locking clamping plate under the torque action of the torsional spring of the locking claw, so that the first lock of the engine hood lock is in a closed state.
The two latch hooks 6 arranged in front of the substrate 1 are V-shaped, the left upper ends of the two latch hooks are bent forwards, the lower ends of the two latch hooks are provided with third through holes 61, the right lower parts of the three latch hooks are provided with fourth clamping holes 62 and groove structures 63, the right upper ends of the two latch hooks are provided with hook structures 64, and the left upper ends of the two latch hooks are provided with opening handles 65 bent forwards; the third via hole 61 corresponds to the third connection hole 13 on the substrate 1, and the second latch hook 6 is positioned and connected on the front surface of the substrate 1 by a third rivet 67; the shaft axis of the third rivet is the rotation axis of the second lock hook;
a second locking torsion spring 66 is arranged between the third rivet 67 and the second locking hook 6, one end of the second locking torsion spring 66 is inserted into the first locking hole 15 on the substrate 1, and the other end is hooked in the fourth locking hole 62 at the lower part of the right side of the second locking hook 6). The torsion of the second lock torsion spring acts on the closing direction of the second lock hook, so that the second lock hook is in a normally closed state.
An electric actuator 7 arranged in front of the base plate 1 is respectively matched, connected and fixed with the two screw holes 14 at the lower right part of the base plate 1 through two bolts 73, a transverse push rod 72 is arranged at the output end of the left part of the electric actuator 7, and a clamping joint 71 is arranged at the left end of the push rod 72; the electric actuator can receive different signals and then execute pull-back and push-out actions.
The inhaul cable assembly 8 arranged in front of the base plate 1 is formed by matching and connecting a first die-casting head 81, a core wire 82, a first sleeve cap 83, a sleeve 84, a second sleeve cap 85 and a second die-casting head 86, wherein the first die-casting head 81 is matched and connected with a clamping joint 71 of the electric actuator 7; the second die-casting head 86 is in fit connection with a cable bayonet 34 which is arranged at the back of the base plate 1 and used for locking the movable claw 3 and extending to the front of the base plate 1; the inhaul cable bayonet has certain distance with the rotation axis of a locking movable claw to form a rotation force arm, so that the pulling force required during unlocking can be effectively reduced, and the requirement on the execution force of the electric actuator is further reduced.
The first sleeve cap 83 and the second sleeve cap 85 of the inhaul cable assembly 8 are respectively clamped with the first bayonet 17 and the second bayonet 18 on the substrate 1. The joint of electric actuator is connected with the first die-casting head cooperation of cable subassembly, makes electric actuator can accomplish the electronic unblock of twice lock.
When closing engine bonnet, engine bonnet hasp 9 pushes down the lock hook mouth of one lock cardboard, makes one lock cardboard rotate, when turning to certain angle, the pothook of one locking movable claw can block the locking head of one lock cardboard with the help of locking claw torsional spring torsion effect, and at this moment, one lock of engine bonnet lock is in the closed condition.
When the electric actuator receives a lock unlocking signal, the clamping joint of the electric actuator performs pull-back action, the first die-casting head of the inhaul cable assembly is pulled, the core wire is driven to axially move in the sleeve, and then the second die-casting head is pulled, and the second die-casting head pulls the inhaul cable bayonet of the locking movable claw, so that the locking movable claw has a rotation trend; when the pulling force of cable subassembly overcomes the torsion of locking pawl torsional spring, one locking moves the claw and rotates, when rotating certain angle, the pothook of one locking moves the claw and breaks away from with the locking head of one locking cardboard, locks the cardboard and no longer receives the restriction of one locking and moves the claw together, can easily rotate under the tensile force effect of cardboard extension spring, promotes the engine bonnet hasp and deviate from the locking hook mouth of one locking cardboard, accomplishes the unblock of one lock.
When the electric actuator receives the unlocking signal of the second lock, the push rod executes pushing action, the thrust of the push rod acts on the groove structure 63 of the second lock hook and forms a force arm with a certain length with the rotation axis of the second lock hook, when the thrust of the push rod overcomes the torsion of the torsion spring of the second lock, the second lock hook can rotate towards the unlocking direction of the second lock, and after the torsion spring of the second lock overcomes a certain angle, the unlocking of the second lock is completed.
When the push rod executes the pushing-out action, the clamping joint is simultaneously pushed out, the core wire of the inhaul cable assembly is pushed to axially move in the sleeve, the second die-casting head is far away from the inhaul cable bayonet, and the inhaul cable assembly does not act on one locking movable claw, so that one lock is not influenced.

Claims (8)

1. The utility model provides an unlocking mechanism of automobile engine hood lock, includes base plate (1) the centre on base plate (1) upper portion is equipped with U-shaped and dodges mouth (110), the left side and the right and is equipped with mounting hole (10), characterized by respectively: a first connecting hole (11), a second connecting hole (12) and a third connecting hole (13) are formed around the lower part of the U-shaped avoidance port (110), and the connecting line of the centers of the three connecting holes is in an inverted triangle shape; two support lugs at the right lower part of the base plate are respectively provided with a screw hole (14); a first clamping hole (15) is formed in the left lower portion close to the third connecting hole (13), and a polygonal window (16) is formed in the left lower portion close to the second connecting hole (12); two forward lugs and one backward lug are arranged at the lower edge of the right part of the substrate, a first bayonet (17) and a second bayonet (18) are respectively arranged on the two forward lugs, and a second clamping hole (19) is arranged on one backward lug;
a locking clamping plate (2), a locking moving claw (3), a cover plate (4) and a clamping plate tension spring (5) which are matched with each other are arranged on the back of the base plate (1);
the front surface of the base plate (1) is provided with two lock hooks (6), an electric actuator (7) and a guy cable assembly (8) which are matched with each other.
2. The unlocking mechanism of the hood lock for an automobile according to claim 1, wherein: a first through hole (21) is formed in the middle of a lock clamping plate (2) arranged behind the substrate (1), a locking head (22) is arranged at the upper left end, a locking hook nozzle (23) is arranged at the left side, a third bayonet (24) is arranged at the lower right end, and the first through hole (21) corresponds to a first connecting hole (11) in the substrate (1);
a second through hole (31) is formed in the middle of a locking moving claw (3) arranged behind the substrate (1), a third clamping hole (32) is formed in the left side of the upper middle part, a clamping hook (33) is arranged at the upper end of the locking moving claw, a bending structure (35) and a cable bayonet (34) are arranged at the lower part of the locking moving claw, the second through hole (31) corresponds to a second connecting hole (12) in the substrate (1), and the bending structure (35) and the cable bayonet (34) penetrate through a polygonal window (16) in the substrate (1) and extend to the front of the substrate (1);
a first through hole (41) is formed in the right part of the cover plate (4) arranged behind the base plate (1), a second through hole (42) is formed in the left part of the cover plate, and a fourth bayonet (43) is formed in the left side of the cover plate; the cover plate (4) is overlapped on one locking clamping plate (2) and one locking moving claw (3), the first through hole (41) corresponds to a first through hole (21) in the one locking clamping plate (2), the second through hole (42) corresponds to a second through hole (31) in the one locking moving claw (3) and is respectively connected to the rear surface of the base plate (1) in a positioning mode through a first rivet (25) and a second rivet (37), and a clamping hook (33) at the upper end of the one locking moving claw (3) is correspondingly contacted with a locking head (22) at the upper end of the one locking clamping plate (2);
the clamping plate tension spring (5) is transversely arranged at the lower part of the back of the base plate (1), one end of the clamping plate tension spring is hooked in the second clamping hole (19) of the lower supporting lug at the back of the base plate (1), and the other end of the clamping plate tension spring is hooked on the third clamping opening (24) of the locking clamping plate (2).
3. The unlocking mechanism of the hood lock for an automobile according to claim 2, wherein: a locking pawl torsion spring (36) is arranged between the one locking moving pawl (3) and the cover plate (4), one end of the locking pawl torsion spring (36) is inserted into the third clamping hole (32) of the one locking moving pawl (3), and the other end of the locking pawl torsion spring is hooked on the fourth clamping hole (43) of the cover plate (4).
4. The unlocking mechanism of the hood lock for an automobile according to claim 1 or 2, wherein: the two lock hooks (6) arranged in front of the substrate (1) are V-shaped, the left upper ends of the two lock hooks are bent forwards, the lower end parts of the two lock hooks are provided with third through holes (61), the right lower parts of the two lock hooks are provided with fourth clamping holes (62) and groove structures (63), the right upper ends of the two lock hooks are provided with hook structures (64), and the left upper ends of the two lock hooks are provided with opening handles (65) bent forwards; the third through hole (61) corresponds to a third connecting hole (13) in the substrate (1), and the second latch hook (6) is positioned and connected to the front face of the substrate (1) through a third rivet (67).
5. The unlocking mechanism of the hood lock for an automobile according to claim 4, wherein: and a second lock torsion spring (66) is arranged between the third rivet (67) and the second lock hook (6), one end of the second lock torsion spring (66) is inserted into the first clamp hole (15) on the base plate (1), and the other end of the second lock torsion spring is hooked in the fourth clamp hole (62) at the lower part of the right side of the second lock hook (6).
6. The unlocking mechanism of the hood lock for an automobile according to claim 1 or 2, wherein: an electric actuator (7) arranged in front of the base plate (1) is respectively matched, connected and fixed with the two screw holes (14) at the lower right part of the base plate (1) through two bolts (73), a transverse push rod (72) is arranged at the output end of the left part of the electric actuator (7), and a clamping joint (71) is arranged at the left end of the push rod (72).
7. The unlocking mechanism of the hood lock for an automobile according to claim 1 or 2, wherein: the inhaul cable assembly (8) arranged in front of the base plate (1) is formed by matching and connecting a first die-casting head (81), a core wire (82), a first sleeve cap (83), a sleeve (84), a second sleeve cap (85) and a second die-casting head (86), and the first die-casting head (81) is matched and connected with a clamping head (71) of the electric actuator (7); the second die-casting head (86) is connected with a cable bayonet (34) which is arranged behind the base plate (1) and extends to the front of the base plate (1) and is used for locking the movable claw (3).
8. The unlocking mechanism of the hood lock for an automobile according to claim 7, wherein: first sleeve pipe cap (83), second sleeve pipe cap (85) of cable subassembly (8) respectively with first bayonet socket (17), second bayonet socket (18) on base plate (1) joint.
CN202010949653.XA 2020-09-10 2020-09-10 Unlocking mechanism of automobile engine hood lock Pending CN112112497A (en)

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Cited By (1)

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CN204186177U (en) * 2014-11-04 2015-03-04 安徽江淮汽车股份有限公司 A kind of hood assembly and cover lock mechanism thereof
CN206360501U (en) * 2016-11-30 2017-07-28 浙江吉利控股集团有限公司 A kind of hood lock construction and vehicle for vehicle
US20180066457A1 (en) * 2016-09-05 2018-03-08 Magna BÖCO GmbH Locking device for a vehicle door, and method
CN209603673U (en) * 2018-12-25 2019-11-08 常州市诚利电子有限公司 Bi-directional drive is attracted lock actuator and the door lock including the actuation lock actuator

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Publication number Priority date Publication date Assignee Title
EP2407617A2 (en) * 2010-07-16 2012-01-18 Hörmann KG Eckelhausen Door with manually actuatable handle
CN204186177U (en) * 2014-11-04 2015-03-04 安徽江淮汽车股份有限公司 A kind of hood assembly and cover lock mechanism thereof
US20180066457A1 (en) * 2016-09-05 2018-03-08 Magna BÖCO GmbH Locking device for a vehicle door, and method
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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