CN104847186B - A kind of anti-side impact opening device of car door lock - Google Patents
A kind of anti-side impact opening device of car door lock Download PDFInfo
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- CN104847186B CN104847186B CN201510260364.8A CN201510260364A CN104847186B CN 104847186 B CN104847186 B CN 104847186B CN 201510260364 A CN201510260364 A CN 201510260364A CN 104847186 B CN104847186 B CN 104847186B
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- side impact
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Abstract
The present invention provides a kind of anti-side impact opening devices of car door lock, belong to automobile technical field.It solves the problems, such as that existing anti-side impact opening device is difficult to effectively accomplish to prevent car door from unlocking.The anti-side impact opening device of this car door lock, car door lock includes lock body, latch bracket, swing rod and cable wire, anti- side impact opener includes locking rod and drive rod, locking rod is hinged on lock body, the locking rod has by end, one end of drive rod is hinged on latch bracket, the other end of drive rod is hinged by the other end of axis pin and swing rod, and axis pin can be moved relative to swing rod, lock body is equipped with tensioner, and anti-side impact opening device further includes that can prevent locking rod from resetting the detent mechanism swung after locking rod leans with swing rod.The anti-side impact opening device of this car door lock can prevent car door from unlocking after automobile is by side impact, improve safety.
Description
Technical field
The invention belongs to automobile technical fields, are related to a kind of anti-side impact opening device of car door lock.
Background technology
Vehicle occur side impact events after, in order to prevent personnel in collision accident due to car body deform, passenger
It is spilled over outside vehicle, it is desirable that vehicle still can remain off after crashing.In order to avoid vehicle is in side collision
Because effect of inertia causes car door opening that occupant injury, national standard is caused to carry out mandatory provision to the resistance to inertia force of car door, it is desirable that vehicle
Door need to be subjected to 30~36g acceleration and be not turned on.Regulation also provides state of the car door in side collision, it is desirable that vehicle
Door must not be opened in side collision.
The outer open system of car door is made of door handle, handle liner plate, bracing wire and door lock.When car door is by side obstacle trolley
After shock, door handle remains stationary, door skin under inertia force effect deform, and drive handle liner plate and lock body movement.
Outside door handle and door skin generate relative motion, and the stay-supported structure being connected with door handle drives rocking arm to move downward, shape
At unlocking action, meanwhile, bracing wire fixing bracket occurs bending and deformation downwards under the extruding of obstacle, and bending process causes to unlock
Cable moves downward therewith, forms the action of unlocking, and when the displacement of bracing wire reaches unlocking stroke, car door unlock reaches car door
It opens.
Currently, vehicle enterprise increases the method for balancing block mechanism to limit door handle on door external-open starting system both at home and abroad
Outer in side collision is got rid of, and to prevent car door opening, but since side collision is an instantaneous HI high impact process, car door is held
It is vibrated by high frequency Acceleration pulse, it is practical that the transient acceleration that door external-open system is born is more than 100g in collision process,
And due to being limited by arrangement space, the size of balance weight unconfined cannot increase, therefore the effect of balance weight is limited, certain mesh
It is preceding that there is also other anticollision trippers.
Such as Chinese utility model patent application (application number：200920233124.9) disclose one kind and prevent because of opening handle
Displacement for main cause cause occur latch hook opening action the structure for preventing car door opening, the unlatching for connecting car door
Boss features are provided between the opening operation bar and car door of the latch and lockset lyatem of handle and car door, as a result, forwards with car door
Deformation opening operation bar is released forward from contact start, using the Boss features to open the company of opening operation rod end
It connects, so before causing latch hook to be opened due to the displacement because of opening handle, makes the stroke for the opening operation bar for being intended to open latch hook
In vain, but the structure has strict requirements, the i.e. deformation of car door to must be communicated to boss portion the collision area of side collision
Part, but the collision area of side collision is random, therefore stability in use is poor, it is difficult to effectively accomplish in side collision
Prevent car door from unlocking in the process.
Invention content
The purpose of the present invention is there is the above problem in view of the prior art, it is proposed that a kind of anti-side impact of car door lock
The anti-side impact opening device of opening device, the car door lock can prevent car door from unlocking after automobile is by side impact, carry
High security.
Object of the invention can be realized by the following technical scheme：A kind of anti-side impact opening device of car door lock,
Car door lock includes the cable wire that lock body, latch bracket, swing rod and control lock body are opened or be closed, and one end of the swing rod is hinged
On lock body, the other end is connected with cable wire, which is characterized in that and the anti-side impact opening device includes locking rod and drive rod,
The locking rod is hinged on lock body, the locking rod have swing set angle after can offset with swing rod against abutment end,
One end of the drive rod is hinged on latch bracket, and the other end of drive rod is mutually cut with scissors by the other end of axis pin and locking rod
It connects, and axis pin can be moved relative to locking rod, the lock body, which is equipped with, can make tensioner of the abutment end far from swing rod, described anti-
Side impact opening device further includes that can prevent locking rod from resetting the detent mechanism swung after locking rod leans with swing rod.
Lock body and latch bracket are arranged in car door, and one end of cable wire is connected on lock body, and the other end is connected to swing rod
On, it realizes and unlocks when swing rod is to lower swing, therefore this anti-side impact opening device when side collision occurs for limiting swing rod
To lower swing, i.e., the swaying direction of locking rod and drive rod is in the perpendicular along width of the carbody direction, in normal condition
Under, tensioner can be tensioned locking rod and drive rod, and the abutment end of locking rod will not produce the normal swing of swing rod far from swing rod
Raw interference, when by side collision, due to larger impact force, one end of drive rod connection axis pin can swing aside, and drive
Lever drives locking rod to swing by axis pin so that the abutment end of locking rod is rocked to the lower section of swing rod and leans therewith, prevents
Only swing rod then positions locking rod to lower swing, at the same time detent mechanism, prevents from resetting swing in the case where tensioner acts on, from
And prevent car door lock from opening when side collision occurs, improve safety.
In the anti-side impact opening device of above-mentioned car door lock, bar shaped sliding slot is offered on the locking rod, it is described
One end of axis pin is connected on drive rod, and the other end is slidably connected in sliding slot.Sliding slot is tilted with respect to the width direction of car body, just
For normal state under the action of tensioner, axis pin is resisted against one end of sliding slot, interferes swing rod to avoid locking rod, when drive rod is swung
When, it is slided along sliding slot while axis pin can rotate, and locking rod is pushed by the effect between axis pin and sliding slot cell wall.
In the anti-side impact opening device of above-mentioned car door lock, one end of the drive rod connection axis pin, which is fixed with, matches
Pouring weight.Clump weight is in the form of a column, and is connected in one end of drive rod and concentric with axis pin so that the drive rod when side collision occurs
With larger driving force, certain clump weight can also be fixed on one end that locking rod opens up sliding slot, equally can also increase by one
Fixed inertia force.
In the anti-side impact opening device of above-mentioned car door lock, the detent mechanism includes ratchet, pawl and positioning
Torsional spring, the ratchet are connected on drive rod, and the pawl is hinged on latch bracket, and the positioning torsional spring is connected to pawl
On, and under the action of positioning torsional spring, pawl is resisted against on ratchet.Ratchet has one-directional rotation, counteresteer with click-fit
Function, with prevent drive rod reset swing, naturally it is also possible to ratchet is fixed on locking rod, pawl is hinged on lock body,
It is same to have the function of that limiting locking rod resets swing.
In the anti-side impact opening device of above-mentioned car door lock, the detent mechanism includes positioning pin and positioning bullet
Spring is fixed with connecting tube on the drive rod, location hole is offered on the latch bracket, the positioning pin and retaining spring are equal
It is arranged in connecting tube, and when the abutment end of locking rod and swing rod lean, positioning pin stretches out under the action of retaining spring
Connecting tube, and one end that positioning pin stretches out is inserted into location hole.I.e. when drive rod is swung, positioning pin end is in retaining spring
It is resisted against on the side of latch bracket and slides under effect, after swinging in place, positioning pin is inserted into location hole and plays the role of locking,
Similarly, connecting tube can also be fixed on locking rod, and location hole is opened on lock body, the same work with locking locking rod
With.
In the anti-side impact opening device of above-mentioned car door lock, the detent mechanism includes locating piece and fixed bullet
Spring offers pilot hole on one cell wall of the sliding slot, and the locating piece and fixed spring are arranged in pilot hole, in fixed bullet
Under the action of spring, one end of locating piece is stretched out pilot hole and is resisted against on the opposite cell wall of sliding slot, and one end that locating piece stretches out
With guiding surface.I.e. pilot hole is located at the end of sliding slot, and pilot hole, and external part side wall and sliding slot are stretched out in the end of locating piece
Positioning action is played in end face to axis pin, and guiding surface axis pin passes through, i.e., when drive rod is swung, axis pin passes through guiding surface pressure
Contracting locating piece, after axis pin passes through, locating piece stretches out pilot hole and plays positioning action again.
In the anti-side impact opening device of above-mentioned car door lock, the tensioner includes tensioning tension spring, the tensioning
One end of tension spring is connected in lock body, and either the other end is connected on locking rod or drive rod on latch bracket.It is tensioned tension spring
One end be connected on lock body, the other end is connected on locking rod, can also one end be connected on latch bracket, the other end be connected
On drive rod, certainly during actual processing, tensioner can also commonly use tensioning torsion spring, i.e., in drive rod and latch bracket
Hinge joint at installation tensioning torsion spring or point out installation tensioning torsion spring in locking rod and being hinged for lock body, it is same have it is preferable
Tension.
In the anti-side impact opening device of above-mentioned car door lock, the locking rod is located at the lower section of swing rod, in locking
The abutment end of bar offers the locating notch that can be leant with swing rod lower edge.That is the lower edge of swing rod is resisted against locating notch
It is interior, more stablize, swing rod is avoided to be detached from locking rod and cause to unlock.
Compared with prior art, the anti-side impact opening device of this car door lock has the following advantages：
When 1, due to by side collision, drive rod drives locking rod to swing by axis pin so that the abutment end of locking rod
It is rocked to the lower section of swing rod and leans therewith, prevent swing rod to lower swing, to prevent car door lock when side collision occurs
It opens, improves safety.
2, it since detent mechanism then positions locking rod, prevents from resetting swing in the case where tensioner acts on, to occur
It prevents car door lock from opening when side collision, improves safety.
Description of the drawings
Fig. 1 is the dimensional structure diagram of this anti-side impact opening device.
Fig. 2 is the structure front view of anti-side impact opening device.
Fig. 3 is the partial structurtes rearview of anti-side impact opening device.
Fig. 4 is the schematic enlarged-scale view at A in Fig. 2.
Fig. 5 is the lateral partial structurtes sectional view of detent mechanism in embodiment two.
Fig. 6 is the lateral partial structurtes sectional view of detent mechanism in embodiment three.
In figure, 1, lock body；2, latch bracket；3, swing rod；4, cable wire；5, locking rod；51, abutment end；52, sliding slot；53, fixed
Position notch；6, drive rod；61, axis pin；62, clump weight；7, detent mechanism；71, ratchet；72, pawl；73, torsional spring is positioned；74、
Connecting tube；741, positioning pin；742, retaining spring；75, location hole；76, pilot hole；761, locating piece；762, guiding surface；
763, fixed spring；8, it is tensioned tension spring.
Specific implementation mode
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
Embodiment one：
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of anti-side impact opening device of car door lock, car door lock include lock body 1, door lock
Holder 2, swing rod 3 and cable wire 4, lock body 1 and latch bracket 2 are fixed in car door, and one end of swing rod 3 is hinged on lock body
On 1, one end of cable wire 4 is connected on lock body 1, and the other end is connected on the other end of swing rod 3, the pulling or release of cable wire 4
Lock body 1 can be controlled to open or be closed, realize and unlock when swing rod 3 is to lower swing, therefore this anti-side impact opening device is used for
Swing rod 3 is limited when side collision occurs to lower swing.Anti- side impact opening device includes locking rod 5 and drive rod 6, locking rod 5
Be hinged on lock body 1, the locking rod 5 have swing set angle after can offset with swing rod 3 against abutment end 51, drive rod
6 one end is hinged on latch bracket 2, and the other end of drive rod 6 is hinged by axis pin 61 and the other end of locking rod 5, and
Axis pin 61 can be moved relative to locking rod 5, i.e., the swaying direction of locking rod 5 and drive rod 6 is along the perpendicular of width of the carbody direction
In straight plane, lock body 1 is equipped with tensioner, and in normal state, tensioner can be tensioned locking rod 5 and drive rod 6, locking rod
5 abutment end 51 will not generate interference far from swing rod 3 to the normal swing of swing rod 3.Anti- side impact opening device further includes working as locking
Bar 5 can prevent locking rod 5 from resetting the detent mechanism 7 swung after leaning with swing rod 3.When by side collision, due to compared with
Big impact force, one end that drive rod 6 connects axis pin 61 can swing aside, and drive rod 6 drives locking rod 5 to put by axis pin 61
It is dynamic so that the abutment end 51 of locking rod 5 is rocked to the lower section of swing rod 3 and leans therewith, prevents swing rod 3 to lower swing, with this
Detent mechanism 7 then positions locking rod 5 simultaneously, prevents from resetting swing in the case where tensioner acts on, to which side collision occur
When prevent car door lock from opening, improve safety.
Specifically, in conjunction with shown in Fig. 4, locking rod 5 is located at the lower section of swing rod 3, is offered in the abutment end 51 of locking rod 5
The locating notch 53 that can be leant with 3 lower edge of swing rod, the i.e. lower edge of swing rod 3 are resisted against in locating notch 53, more surely
It is fixed, avoid swing rod 3 from being detached from locking rod 5 and cause to unlock, the other end of locking rod 5 offers bar shaped sliding slot 52, and sliding slot 52 can be with
It is arc-shaped, can also be straight, sliding slot 52 is tilted with respect to the width direction of car body, and one end of axis pin 61 is connected in drive rod 6
On, the other end is slidably connected in sliding slot 52, and for normal condition under the action of tensioner, axis pin 61 is resisted against the one of sliding slot 52
Swing rod 3 is interfered in end to avoid locking rod 5, when drive rod 6 is swung, is slided along sliding slot 52 while axis pin 61 can rotate, and
Locking rod 5 is pushed by the effect between 52 cell wall of axis pin 61 and sliding slot.One end of the connection axis pin 61 of drive rod 6, which is fixed with, matches
Pouring weight 62, clump weight 62 are in the form of a column, and are connected in one end of drive rod 6 and concentric with axis pin 61 so that side collision is occurring
When drive rod 6 there is larger driving force, certain clump weight 62 can also be fixed on one end that locking rod 5 opens up sliding slot 52, together
Sample can also increase certain inertia force.
In conjunction with shown in Fig. 4, detent mechanism 7 includes that ratchet 71, pawl 72 and positioning torsional spring 73, ratchet 71 are connected in drive rod
On 6, pawl 72 is hinged on latch bracket 2, and positioning torsional spring 73 is connected on pawl 72, and under the action of positioning torsional spring 73,
Pawl 72 is resisted against on ratchet 71, and ratchet 71 has one-directional rotation, the function of counteresteer, to prevent from driving with the cooperation of pawl 72
Bar 6, which resets, to be swung, naturally it is also possible to ratchet 71 is fixed on locking rod 5, pawl 72 is hinged on lock body 1, same to have limit
Locking rod 5 processed resets the function of swinging.Tensioner includes tensioning tension spring 8, and one end of tensioning tension spring 8 is connected in lock body 1 or door
On lock support 2, the other end is connected on locking rod 5 or drive rod 6, that is, the one end for being tensioned tension spring 8 is connected on lock body 1, separately
One end is connected on locking rod 5, can also one end be connected on latch bracket 2, the other end is connected on drive rod 6, is existed certainly
During actual processing, tensioner can also commonly use tensioning torsion spring, i.e., installed at the hinge joint of drive rod 6 and latch bracket 2
Tensioning torsion spring points out installation tensioning torsion spring in locking rod 5 and being hinged for lock body 1, equally has preferable tension.
Embodiment two：
The anti-side impact opening device and embodiment one of the car door lock are essentially identical, and difference is as shown in figure 5, fixed
Position mechanism 7 includes positioning pin 741 and retaining spring 742, and connecting tube 74 is fixed on drive rod 6, and it is fixed to be offered on latch bracket 2
Position hole 75, positioning pin 741 and retaining spring 742 are arranged in connecting tube 74, and when the abutment end 51 of locking rod 5 and swing rod 3
When leaning, positioning pin 741 stretches out connecting tube 74 under the action of retaining spring 742, and one end that positioning pin 741 stretches out is inserted into
In location hole 75, i.e., when drive rod 6 is swung, 741 end of positioning pin is resisted against latch bracket under the action of retaining spring 742
It is slided on 2 side, after swinging in place, positioning pin 741 is inserted into location hole 75 and plays the role of locking, similarly, connecting tube 74
It can also be fixed on locking rod 5, and location hole 75 is opened on lock body 1, it is same to have the function of locking locking rod 5.
Embodiment three：
The anti-side impact opening device and embodiment one of the car door lock are essentially identical, and difference is as shown in fig. 6, fixed
Position mechanism 7 includes locating piece 761 and fixed spring 763, and pilot hole 76,761 He of locating piece are offered on a cell wall of sliding slot 52
Fixed spring 763 is arranged in pilot hole 76, and under the action of fixed spring 763, pilot hole 76 is stretched out in one end of locating piece 761
And be resisted against on the opposite cell wall of sliding slot 52, and one end that locating piece 761 stretches out has guiding surface 762, i.e. pilot hole 76
In the end of sliding slot 52, pilot hole 76 is stretched out in the end of locating piece 761, and external part side wall plays axis pin 61 with 52 end face of sliding slot
To positioning action, and the axis pin 61 of guiding surface 762 passes through, i.e., when drive rod 6 is swung, axis pin 61 is pressed by guiding surface 762
Contracting locating piece 761, after axis pin 61 passes through, locating piece 761 stretches out pilot hole 76 and plays positioning action again.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although the terms such as lock body 1, latch bracket 2, swing rod 3, cable wire 4 are used more herein, use is not precluded
The possibility of other terms.The use of these items is only for more easily describe and explain the essence of the present invention；Them
Any one of the additional limitations is construed to all to disagree with spirit of that invention.
Claims (6)
1. a kind of anti-side impact opening device of car door lock, car door lock include lock body (1), latch bracket (2), swing rod (3) with
And the cable wire (4) that control lock body (1) is opened or is closed, one end of the swing rod (3) is hinged on lock body (1), the other end with
Cable wire (4) is connected, which is characterized in that the anti-side impact opening device includes locking rod (5) and drive rod (6), the locking
Bar (5) is hinged on lock body (1), the locking rod (5) have swing set angle after can offset with swing rod (3) against against
Hold (51), one end of the drive rod (6) is hinged on latch bracket (2), the other end of drive rod (6) by axis pin (61) with
The other end of locking rod (5) is hinged, and axis pin (61) can be mobile relative to locking rod (5), and the lock body (1) is equipped with can
It further includes when locking rod (5) and swing rod (3) to make tensioner of the abutment end (51) far from swing rod (3), the anti-side impact opening device
It can prevent locking rod (5) from resetting the detent mechanism (7) swung after leaning；Bar shaped sliding slot is offered on the locking rod (5)
(52), one end of the axis pin (61) is connected on drive rod (6), and the other end is slidably connected in sliding slot (52)；The driving
One end of bar (6) connection axis pin (61) is fixed with clump weight (62).
2. the anti-side impact opening device of car door lock according to claim 1, which is characterized in that the detent mechanism
(7) include that ratchet (71), pawl (72) and positioning torsional spring (73), the ratchet (71) are connected on drive rod (6), the pawl
(72) it is hinged on latch bracket (2), the positioning torsional spring (73) is connected on pawl (72), and in the work of positioning torsional spring (73)
Under, pawl (72) is resisted against on ratchet (71).
3. the anti-side impact opening device of car door lock according to claim 1, which is characterized in that the detent mechanism
(7) include positioning pin (741) and retaining spring (742), connecting tube (74), the door lock branch are fixed on the drive rod (6)
Location hole (75) is offered on frame (2), the positioning pin (741) and retaining spring (742) are arranged in connecting tube (74), and
When the abutment end (51) of locking rod (5) and swing rod (3) lean, positioning pin (741) is stretched under the action of retaining spring (742)
Go out connecting tube (74), and one end that positioning pin (741) stretches out is inserted into location hole (75).
4. the anti-side impact opening device of car door lock according to claim 1, which is characterized in that the detent mechanism
(7) include locating piece (761) and fixed spring (763), pilot hole (76) is offered on a cell wall of the sliding slot (52), it is described
Locating piece (761) and fixed spring (763) setting are in pilot hole (76), under the action of fixed spring (763), locating piece
(761) one end is stretched out pilot hole (76) and is resisted against on the opposite cell wall of sliding slot (52), and one end that locating piece (761) stretches out
With guiding surface (762).
5. the anti-side impact opening device of the car door lock according to Claims 2 or 3 or 4, which is characterized in that the tensioning
Part includes tensioning tension spring (8), and one end of the tensioning tension spring (8) is connected on lock body (1) or latch bracket (2), the other end
It is connected on locking rod (5) or drive rod (6).
6. the anti-side impact opening device of car door lock as claimed in any of claims 1 to 4, which is characterized in that
The locking rod (5) is located at the lower section of swing rod (3), and the abutment end (51) in locking rod (5) offers can be following with swing rod (3)
Along the locating notch (53) to lean.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510260364.8A CN104847186B (en) | 2015-05-20 | 2015-05-20 | A kind of anti-side impact opening device of car door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510260364.8A CN104847186B (en) | 2015-05-20 | 2015-05-20 | A kind of anti-side impact opening device of car door lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104847186A CN104847186A (en) | 2015-08-19 |
| CN104847186B true CN104847186B (en) | 2018-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510260364.8A Active CN104847186B (en) | 2015-05-20 | 2015-05-20 | A kind of anti-side impact opening device of car door lock |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017113880A1 (en) * | 2017-06-22 | 2018-12-27 | BROSE SCHLIEßSYSTEME GMBH & CO. KG | Motor vehicle lock |
| CN108843158A (en) * | 2018-07-31 | 2018-11-20 | 宁波华德汽车零部件有限公司 | A kind of automobile handle inertia locking structure |
| CN110670981B (en) * | 2019-03-14 | 2024-06-14 | 东风汽车有限公司 | Door tool to lock subassembly and door |
| CN113513222B (en) * | 2021-06-30 | 2022-08-05 | 沪东中华造船(集团)有限公司 | Bidirectional stopping device and bidirectional stopping method for ship cabin door |
| CN114909036B (en) * | 2022-04-19 | 2023-06-02 | 上海工程技术大学 | Rope traction anti-collision electric safety and rope drive automobile door lock mechanism with suction branched chain |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4492211B2 (en) * | 2004-05-19 | 2010-06-30 | 三菱自動車エンジニアリング株式会社 | Vehicle door opening prevention structure |
| CN102535994B (en) * | 2010-12-31 | 2014-05-21 | 上海汽车集团股份有限公司 | Vehicle door lock and vehicle using vehicle door lock |
| CN102587721B (en) * | 2012-01-13 | 2015-01-14 | 浙江吉利汽车研究院有限公司 | Adapting mechanism for automobile door lock and outside handle |
| CN202627654U (en) * | 2012-04-27 | 2012-12-26 | 浙江吉利汽车研究院有限公司杭州分公司 | Outward-open handle structure of automobile door lock |
| DE102013211050A1 (en) * | 2013-03-06 | 2014-09-11 | Kiekert Ag | Lock for a motor vehicle |
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