CN101963020B - Automotive door lock system for preventing deadlocking caused by frontal collision of automotive door - Google Patents
Automotive door lock system for preventing deadlocking caused by frontal collision of automotive door Download PDFInfo
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- CN101963020B CN101963020B CN201010296306.8A CN201010296306A CN101963020B CN 101963020 B CN101963020 B CN 101963020B CN 201010296306 A CN201010296306 A CN 201010296306A CN 101963020 B CN101963020 B CN 101963020B
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- hinged
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- lock
- car door
- automotive door
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- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000005452 bending Methods 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 208000031872 Body Remains Diseases 0.000 description 1
- 206010010219 Compulsions Diseases 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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Abstract
The invention relates to an automotive door lock of an automobile. The automotive door lock comprises a lock body fixedly connected to an automotive door, wherein the middle part of a lock stopping plate of the lock body is hinged with the framework of the lock body; the end of the lock stopping plate is hinged with the rear end of a transverse bumper; the front end of the transverse bumper is hinged with a rotary clip; the rotary clip is hinged with the automotive door; a vertical bumper is hinged with the rotary clip; and the vertical bumper and the transverse bumper form axial transmission fit along two bumper shafts through the rotary clip. The automotive door lock is characterized in that: the rear end of the transverse bumper is hinged with the lower end of the lock stopping plate; and when a vehicle knocks the transverse bumper from the front side to move forwards so as to pull the lower end of the lock stopping plate to move forwards, the lock stopping plate inevitably anticlockwise rotates around a hinged shaft at the middle part, and the lock stopping plate drives a lock stopping pull rod to act to make the lock body in an unlocking state so as to ensure that a driver can successfully escape. The automotive door lock has the advantages of great improvement on use safety, low cost of an automotive door lock system, wide use, and suitability for modification of old-style lock systems.
Description
Technical field
The present invention relates to the car door lock of automobile.
Background technology
As shown in Figure 1, the car door lock of developing before the eighties in 20th century, the structure of having assembled is: lock body is positioned at door frame rearward end, laterally rear end and locking plate 1 upper end of insurance pull bar 2 are hinged, locking plate 1 middle part and lock body framework are hinged, laterally insurance pull bar 2 front ends are hinged with rotation clamp 3, rotation clamp 3 is hinged with the lower end of car door and vertical insurance pull bar 4, horizontal, vertical like this insurance pull bar 2,4 is formed and is coordinated along the axial transmission of two bars by rotation clamp 3, that is to say that a pull bar moves vertically must drive that another pull bar is corresponding to move along its axial length direction; When occupant presses vertical insurance pull bar 4, the upper end of laterally drawing locking plate 1 before insurance pull bar 2, locking plate 1 turns clockwise, and drive on hinged locking push rod 5 thereon and move, on locking push rod 5, move on to the position of departing from ratchet 6, namely locking push rod 5 lower ends cannot abut to ratchet 6, cannot open car door lock, and lock body is in locking state, namely cannot utilize door handle to open the state of car door lock, to avoid not bumper car door handle and open car door and be thrown out of outside car of occupant.While drawing insurance pull bar 4 on occupant, laterally insure pull bar 2 to the upper end of pusher locking plate 1, locking plate 1 lower end drives locking push rod 5 to make lock body in released state, and occupant can utilize door handle to open car door.Such door locking system is because it is simple in structure, processes easy to usely, and cost is compared with low and be widely used in automobile industry, especially economy car field.In diagram herein, for door locking system is expressed clearly, omitted the structure of car door.
But development and technological progress along with automobile industry, the security requirement of automobile door lock is corresponding raising also, the strong inspection standard GB11551 of country points out: after passenger car generation head-on crash, guarantee do not using under the prerequisite of instrument, injured passenger corresponding to every row, have the seat of door all to have at least a door to open, to can be fled from smoothly in car.But in the door locking system of this structure, when vehicle generation head-on crash, laterally insure pull bar 2 because inertia can move forward, before the while, drew only jam plate 1, can there is rotating around jointed shaft clockwise as shown in the black arrow of Fig. 1 in jam plate 1 only, makes car door lock in locking state; And driven rotary clamp 3 clockwise rotates and will vertically insure pull bar 4 and leaves behind, causing vertical insurance pull bar 4 to be drawn into occupant in door lock striker plate cannot utilize it to carry out release, or cause horizontal insurance pull bar 2 middle bent, while utilizing vertically insurance pull bar 4 release, because laterally insuring the crooked rear length of pull bar 2, reduce locking plate 1 pusher to be put in place, cannot complete release.These situations all can make car door be difficult to open in locking state, do not meet the requirement of GB11551.
Therefore, the use of this classical car door lock is restricted.For solving this technical problem, someone strengthens the weight of rotation clamp 3, as shown in Figure 1 rotation clamp 3 is made to larger disc, utilize the large principle of object inertia that weight is large, the rotational angle that rotates clamp 3 while attempting to make to collide is compared with little and avoid vertically insuring pull bar 4 and be drawn in door frame.But such structure unreliable, is first that it can not avoid laterally insuring pull bar 2 reaches and distortion, and heavier rotation clamp 3 still can rotate and causes that car door is locked when vehicle collision fierceness.And the deadweight that this has also increased vehicle, does not meet the technology trends of energy-saving and emission-reduction.
Summary of the invention
Main purpose of the present invention is to provide the locked door locking system of a kind of anti-car door head-on crash, and this door locking system is simple in structure, and can avoid because collision happens is in locking state.
For achieving the above object, the technical solution adopted in the present invention is: the locked door locking system of a kind of anti-car door head-on crash, comprise the lock body being fixed on car door, locking plate middle and upper part and the lock body framework of lock body are hinged, locking plate end is with laterally insurance back end of tie rod is hinged, laterally insurance pull bar front end is hinged with rotation clamp, rotation clamp and car door are hinged, vertical insurance pull bar is hinged with rotation clamp, vertical insurance pull bar is formed and is coordinated along the axial transmission of two bars by rotation clamp with horizontal insurance pull bar, it is characterized in that: described horizontal insurance back end of tie rod and the lower end of locking plate are hinged.
As shown from the above technical solution: the feature of door locking system of the present invention is: the rear end of laterally insuring pull bar is hinged on only jam plate lower end, because this lock body structure determines to turn clockwise when stopping the jointed shaft of jam plate around its middle part, namely upper end forward time corresponding lock body locked, so contrary, when vehicle frontal impact, while just in time pulling only jam plate lower end reach when laterally insurance pull bar moves forward, only the inevitable jointed shaft around middle part counterclockwise of jam plate rotates, now only jam plate drives the action of locking push rod, lock body is in released state, this process is similar to the manual unlocking of prior art.That is to say such door locking system bump after just in time in released state, can guarantee that occupant escapes smoothly, the safety in utilization of car door lock improves greatly, meets house keeper's state compulsion standard.And lock body remain utilize existing simple in structure, widely used structure, such door locking system cost is low, can be widely used, and is especially applicable to old-fashioned lock system to improve.
Accompanying drawing explanation
Fig. 1 is the structural representation of the door locking system of prior art;
Fig. 2 is structural representation of the present invention;
Fig. 3 is the structural representation of another embodiment of the invention;
Fig. 4 is the structural representation at the lock body position in Fig. 2,3.
The specific embodiment
As Fig. 2, 3, shown in 4, the locked door locking system of a kind of anti-car door head-on crash, comprise the lock body being fixed on car door, the locking plate 1 of lock body is positioned at lock body top, only jam plate 1 is above-below direction layout, wherein or the framework of top and lock body hinged, locking plate 1 bottom is with laterally insurance pull bar 2 rear ends are hinged, laterally insurance pull bar 2 front ends are hinged with rotation clamp 3, rotation clamp 3 is hinged with car door, vertical insurance pull bar 4 is hinged with rotation clamp 3, vertical insurance pull bar 4 is formed and is coordinated along the axial transmission of two bars by rotation clamp 3 with horizontal insurance pull bar 2, that is to say: laterally insure pull bar 2 and rotation clamp 3, vertical insurance pull bar 4 threes can be the connected modes shown in Fig. 1, or can be also Fig. 2, shown in 3, as long as three jointed shaft apart arrangement on rotation clamp 3, also can be described as and be positioned on same leg-of-mutton three summits, and correspondence makes laterally to insure pull bar 2 and moves forward and backward while guaranteeing that perpendicular insurance pull bar 4 above-below directions move, illustrated moving left and right namely.Certainly in order to save material, rotation clamp 3 is " V " shape preferably, as shown in Figure 2, the oblique car door inferoanterior of opening of " V " shape of rotation clamp 3, described horizontal insurance pull bar 2 front ends are hinged with the end of rotation clamp 3 rear downsides, described vertical insurance pull bar 4 lower ends are hinged with the end that rotates front side on clamp 3, the jointed shaft of rotation clamp 3 and car door is positioned at the top of " V " shape, namely illustrated upper left side is located, while drawing on vertical insurance pull bar 4 in such structure, laterally before insurance pull bar 2, draw, thereby drive only jam plate 1 around the jointed shaft of its middle and upper part, to rotate counterclockwise, only jam plate 1 drives 5 actions of locking push rod to make lock body in released state, the releasing process of this and existing car door lock is similar, and the mode of occupation of vertically insuring pull bar 4 is also duplicate with prior art, meet occupant's use habit, be convenient to promoting the use of of this door locking system.If shown in Fig. 3, namely with Fig. 1 in similarly: still adopt horizontal insurance pull bar 2 to be hinged on the top of rotation clamp 3, vertical insurance pull bar 4 is hinged on rotation clamp 3 front portions, rotation clamp 3 middle parts and car door are hinged, so, when vertical insurance pull bar 4 is pressed, laterally before insurance pull bar 2, draw, the release of corresponding lock body, otherwise vertically insure the locked of corresponding lock body while drawing on pull bar 4, the using method of namely vertically insuring pull bar 4 is just in time contrary with the using method of the door locking system of prior art.Laterally the rear end of insurance pull bar 2 is so long as be hinged on the lower side position of stopping on jam plate 1, stopping the jointed shaft of jam plate 1 and lock body, just can guarantee laterally insurance pull bar 2 reaches and drive only jam plate 1 to rotate counterclockwise of when collision, make lock body in released state, and realize reliably goal of the invention.But being preferably hinged on, the rear end of laterally insuring pull bar 2 stops jam plate 1 bottom, the occupant's rapid operation of being more convenient for.
Because this lock body structure determine when jam plate 1 only around wherein or the jointed shaft on top turn clockwise, namely upper end forward time corresponding lock body locked, otherwise only jam plate 1 lower end corresponding lock body release forward time, so during vehicle generation frontal impact, before horizontal insurance pull bar 2 is inevitable, draw only jam plate 1 lower end, only jam plate 1 is inevitable rotates around jointed shaft counterclockwise, and now only jam plate 1 drives 5 actions of locking push rod, and lock body is in released state.In other words such door locking system, just in time in released state after bumping, can guarantee that occupant can escape smoothly, and door locking system safety in utilization improves greatly.Lock body in such door locking system remains and utilizes existing lock body simple in structure, with low cost, there is practicality widely, especially be applicable to using the existing door locking system of this lock body to improve, till cause, jam plate 1, locking push rod 5, for being generally moulding, are also easy to so such lock body improves.
Certainly, can also further to door locking system, improve, as shown in Figure 2,3, 4, preferably laterally insure pull bar 2, vertically insure pull bar 4 and all by metal material, made, make it have certain elasticity, while avoiding vehicle collision because of material crisp fractureing too.And shaft middle part preferably has crooked radian or middle part is bending, and its elasticity can further improve like this, such direction crooked or bending preferably makes progress, and avoids, because body of rod deadweight increases this radian, causing body of rod length and unstable properties.
Claims (1)
1. the locked door locking system of anti-car door head-on crash, comprise the lock body being fixed on car door, the locking plate of lock body (1) middle and upper part and lock body framework are hinged, locking plate (1) end is with laterally insurance pull bar (2) rear end is hinged, laterally insurance pull bar (2) front end is hinged with rotation clamp (3), rotation clamp (3) is hinged with car door, vertical insurance pull bar (4) is hinged with rotation clamp (3), vertical insurance pull bar (4) is formed and is coordinated along the axial transmission of two bars by rotation clamp (3) with horizontal insurance pull bar (2), it is characterized in that: described horizontal insurance pull bar (2) rear end and the lower end of locking plate (1) are hinged.
2
.the locked door locking system of a kind of anti-car door head-on crash according to claim 1, it is characterized in that: described rotation clamp (3) is " V " shape, rotation clamp (3) upper for hinged horizontal insurance pull bar (2), car door, vertically insure the position, three terminations that three jointed shafts of pull bar (4) lay respectively at " V " shape, wherein rotate the vertex position that the hinged jointed shaft of clamp (3) and car door is positioned at " V " shape of clamp.
3
.the locked door locking system of a kind of anti-car door head-on crash according to claim 2, it is characterized in that: the oblique car door inferoanterior of opening of described rotation clamp (3), described horizontal insurance pull bar is hinged with the end of rotation clamp (3) rear side, and the end of described Yu Qi front side, vertical insurance pull bar (4) lower end is hinged.
4
.the locked door locking system of a kind of anti-car door head-on crash according to claim 3, is characterized in that: described horizontal insurance pull bar (2) middle part is bending or is convexly curved.
5
.the locked door locking system of a kind of anti-car door head-on crash according to claim 4, is characterized in that: described horizontal insurance pull bar (2) middle part is bent upwards.
6
.the locked door locking system of a kind of anti-car door head-on crash according to claim 5, is characterized in that: described is laterally made by metal material with vertical insurance pull bar (4).
7
.the locked door locking system of a kind of anti-car door head-on crash according to claim 6, is characterized in that: described locking plate (1) is moulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010296306.8A CN101963020B (en) | 2010-09-29 | 2010-09-29 | Automotive door lock system for preventing deadlocking caused by frontal collision of automotive door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010296306.8A CN101963020B (en) | 2010-09-29 | 2010-09-29 | Automotive door lock system for preventing deadlocking caused by frontal collision of automotive door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101963020A CN101963020A (en) | 2011-02-02 |
| CN101963020B true CN101963020B (en) | 2014-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010296306.8A Active CN101963020B (en) | 2010-09-29 | 2010-09-29 | Automotive door lock system for preventing deadlocking caused by frontal collision of automotive door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101963020B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102409901A (en) * | 2011-12-09 | 2012-04-11 | 上汽通用五菱汽车股份有限公司 | High-inertia resistance internal opening mechanism of sliding door |
| CN104100155B (en) * | 2013-04-15 | 2017-08-08 | 因特瓦产品有限责任公司 | Door locking system |
| KR101664565B1 (en) * | 2014-10-17 | 2016-10-11 | 현대자동차주식회사 | Device for preventing opening of door |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2651385Y (en) * | 2003-09-24 | 2004-10-27 | 中国航空工业总公司汉江机械厂 | Electrically controlled lock transmission of vehicle door lock |
| DE10340274A1 (en) * | 2003-08-29 | 2005-03-31 | BÖCO Böddecker & Co. GmbH & Co. KG | Mechanism for manual unlocking of car door lock, e.g. rear car door in emergency, containing lock cylinder actuated by key and fitted in retainer |
| CN1689876A (en) * | 2004-04-23 | 2005-11-02 | 蔡志宜 | Automobile door opening bump-proof system |
| EP1788172A2 (en) * | 2005-11-17 | 2007-05-23 | Aisin Seiki Kabushiki Kaisha | Doorlock device for vehicle |
| US7441816B2 (en) * | 2005-06-23 | 2008-10-28 | Mitsui Mining & Smelting Co., Ltd. | Automotive childproof safety lock control apparatus |
-
2010
- 2010-09-29 CN CN201010296306.8A patent/CN101963020B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10340274A1 (en) * | 2003-08-29 | 2005-03-31 | BÖCO Böddecker & Co. GmbH & Co. KG | Mechanism for manual unlocking of car door lock, e.g. rear car door in emergency, containing lock cylinder actuated by key and fitted in retainer |
| CN2651385Y (en) * | 2003-09-24 | 2004-10-27 | 中国航空工业总公司汉江机械厂 | Electrically controlled lock transmission of vehicle door lock |
| CN1689876A (en) * | 2004-04-23 | 2005-11-02 | 蔡志宜 | Automobile door opening bump-proof system |
| US7441816B2 (en) * | 2005-06-23 | 2008-10-28 | Mitsui Mining & Smelting Co., Ltd. | Automotive childproof safety lock control apparatus |
| EP1788172A2 (en) * | 2005-11-17 | 2007-05-23 | Aisin Seiki Kabushiki Kaisha | Doorlock device for vehicle |
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| Publication number | Publication date |
|---|---|
| CN101963020A (en) | 2011-02-02 |
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Application publication date: 20110202 Assignee: Tianjin New Energy Automobile Co., Ltd. Assignor: Saic Chery Automobile Co., Ltd. Contract record no.: 2017340000009 Denomination of invention: Automotive door lock system for preventing deadlocking caused by frontal collision of automotive door Granted publication date: 20141105 License type: Common License Record date: 20170327 |