CN105317309B - Auxiliary opening device for vehicle door and motor vehicle comprising same - Google Patents
Auxiliary opening device for vehicle door and motor vehicle comprising same Download PDFInfo
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- CN105317309B CN105317309B CN201410352487.XA CN201410352487A CN105317309B CN 105317309 B CN105317309 B CN 105317309B CN 201410352487 A CN201410352487 A CN 201410352487A CN 105317309 B CN105317309 B CN 105317309B
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- enabling
- car door
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- door
- pedal
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- 239000007788 liquid Substances 0.000 claims description 53
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 claims description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 10
- 230000003321 amplification Effects 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- UZVHFVZFNXBMQJ-UHFFFAOYSA-N butalbital Chemical compound CC(C)CC1(CC=C)C(=O)NC(=O)NC1=O UZVHFVZFNXBMQJ-UHFFFAOYSA-N 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003694 hair properties Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The invention relates to a door auxiliary opening device and a motor vehicle comprising the same. This supplementary opening device of door includes: the door opening pedal can apply door opening force; a hydraulic unit which is connected to the door opening pedal through a lever that amplifies the door opening force, and which further amplifies the door opening force; and a door opening member driven by the hydraulic member and for ejecting the door. The door opening pedal is used for applying door opening force, the lever is used for amplifying the door opening force and transmitting the door opening force to the hydraulic part, the hydraulic part is used for further amplifying the door opening force and transmitting the door opening force to the door opening part, and the door opening part jacks the car door. The invention can lead the trapped person in the vehicle to conveniently push the vehicle door open by simple action of treading the pedal, can increase the safety of the motor vehicle and fundamentally solves the problem of personnel safety when the person in the vehicle is trapped.
Description
Technical field
The present invention relates to a kind of automotive component, particularly a kind of car door auxiliary opening device.
Background technology
In recent years, got more and more people's extensive concerning the problem of Urban Traffic Planning.Especially rainy season when, heavy rain etc. is prominent
Hair property weather conditions road pavement makes a big impact, even result in hypsography low-lying section (under such as bridge, subterranean tunnel etc.) because
Rainwater catchment and the problems such as cause motor vehicle impassable.The region or because not clear road conditions can not quickly be sailed out of by being run into vehicle
And drive into when the region, because hydraulic pressure is excessive outside car car door may be caused not open normally, even result in vehicle occupant
Member is stranded, injures and deaths.In addition, when vehicle meets with unexpected, after car door deformation, also easily cause the situation that car door can not be normally-open.
Considering most of family expenses vehicle till now, its car door is all controlled using electronic lock, once motor vehicle stops working, car door
It will be difficult to open.And it is the measure passively taken that the safety hammer approved in society, which breaks window escape method, and can if water level is too high
The entrance of current produces injury or certain risk to driver when energy can be because breaking window.
Therefore, it is necessary to a kind of device that car door can be easily opened in the case of cold.
The content of the invention
In view of the above-mentioned problems, the present invention proposes a kind of automobile driver car door auxiliary opening device, it is auxiliary by car door
Opening device is helped, car door can be easily opened in the case of cold.Opened the invention also provides one kind contains car door auxiliary
The motor vehicle of opening device.
According to the first aspect of the invention, it is proposed that a kind of automobile driver car door auxiliary opening device, including：Open the door
Pedal, enabling power can be applied on enabling pedal；Hydraulic part, its by the way that the lever that enabling power is amplified is connected with enabling pedal, and
And hydraulic part further amplifies enabling power；With driven by hydraulic part and be used for the enabling part that pushes up door opening.Wherein, stepped on by opening the door
Plate applies enabling power, and enabling power is amplified and passed to hydraulic part by lever, and enabling power is further amplified and transmitted by hydraulic part
Give enabling part, enabling part top door opening.
Pass through this car door auxiliary opening device, in the case where car door can not be opened normally because of external force effect, stranded car
Interior personnel's (such as motor vehicle drives into be led to not open compared with profundal zone or car door deformation) can be under the premise of cold, by stepping on
Downward swing door pedal, easily by car door opening.Occupant by stepping on enabling pedal, can by enabling power by lever amplification simultaneously
Hydraulic part is passed to, enabling power is further amplified and passes to enabling part to push up door opening by hydraulic part.Consequently, it is possible to
Car door is difficult in the case of opening by external force effect, and occupant only just can smoothly beat car door with the active force that a people rides
Open, occupant is easily escaped from in-car, drastically increase occupant it is stranded when escape success rate.
In one embodiment, hydraulic part includes being used for the driving liquid case of receiving driving liquid and by driving liquid pipeline with driving
The connected hydraulic cylinder of hydrodynamic case, driving liquid case includes barrel-like body and movable lid, lid are connected with lever.Lever and lid
It is connected, will can be delivered to by the enabling power of lever amplification on lid.Lid will drive liquid to pass through driving out of barrel-like body
Liquid pipeline is pushed into hydraulic cylinder, and this process simultaneously can further amplify enabling power.This set can be succinctly rapidly real
Now transmission and amplification of the enabling power in hydraulic part.
In one embodiment, enabling part includes being used for the piston for pushing car door, and piston includes being contained in piston cylinder
Piston plate and extend from piston plate towards car door to contact the push rod of car door.Mentioned here contact connects for push rod with car door
Touch, push rod and car door are simultaneously not connected to.Piston plate is used to bear the hydraulic pressure for driving liquid, and push rod is used to open on car door top.It is this to set
Be set effective the effect for car door top being opened with the enabling power passed over that realizes, meanwhile, the diameter of push rod, which can be equal to or less than, lives
Fill in the diameter of disk, on the one hand the diameter that the diameter of push rod is less than piston plate can reduce friction between piston and hydraulic cylinder, another
Aspect can reduce materials, save cost.
In one embodiment, the area of the area of lid and piston plate ratio is 1:1.5~1:8, the power arm of lever with
The ratio between resistance arm is 3:1~4.5:1, the movement angle scope of enabling pedal is 10 ° to 30 °.In a preferred embodiment,
The area of lid and the area ratio of piston plate are 1:2~1:4, the movement angle of enabling pedal is 20 °.This set can ensure
The operating efficiency of car door auxiliary opening device, in the case of labour-saving as far as possible, ensure that enabling part has the row for pushing car door enough
Journey.If the area of lid and the area of piston plate than too small, it is insufficient to may result in the amplification of enabling power, it is difficult to beat car door
Open, if than excessive, to may result in the stroke of piston again too short for the area of lid and the area of piston plate, substantially do not imitate
Fruit.The setting of the movement angle of enabling pedal can ensure that occupant steps on enabling pedal with the angle of the most comfortable, in this shape
Under state, it is maximum that occupant tramples caused enabling power.
In one embodiment, one end that push rod contacts with car door is free end, and flange is configured with free end.Flange
It is configured to prevent that push rod is bad by car door top, the problems such as such as causing car door deformation and scratch.Preferably, bullet is also enclosed with flange
Property material, can further function as the protective effect to car door.
According to the second aspect of the invention, it is also proposed that a kind of motor vehicle, it is included according to car door auxiliary described above
Opening device.All parts of the auxiliary opening aid device of car door are in vehicle body.Preferably, hydraulic cylinder is installed on.Due to driving
Member is the necessary part in occupant, therefore this set makes the escape of stranded occupant effectively.Here
It should be noted that hydraulic cylinder can also be installed on the other positions of car body, the rear vertical of automobile driver car door is not limited merely to
In post, such as it may be mounted in the rear column of copilot car door or in the rear column at motor vehicle back door.Even if this motor vehicle
In the case of cold, it can also ensure：Even if car door will not also cause occupant because external force effect can not be normally-open
Serious casualties situation caused by stranded.
In one embodiment, hydraulic part includes being used for the driving liquid case of receiving driving liquid and by driving liquid pipeline with driving
The connected hydraulic cylinder of hydrodynamic case, the first valve, upstream portion of the driving liquid pipeline in the first valve are provided with driving liquid pipeline
Section connects with the brake piping of motor vehicle, i.e. the first valve is installed on the downstream for driving liquid pipeline to be connected section with brake piping
Place.Wherein, when the first valve is closed, driving liquid is by driving liquid pipeline to flow into brake piping, to the braking of motor vehicle,
In the first valve opening, driving liquid is by driving liquid pipeline to flow into hydraulic cylinder, so as to drive enabling part to open car door.This
In described upstream be the concept relative with downstream, downstream is the direction of fluid flow direction, upstream for fluid origin direction.
In one embodiment, the second valve is additionally provided with brake piping, to forbid driving in the first valve opening
Hydrodynamic is flowed into brake piping.The setting of second valve can more facilitate control of the occupant to driving liquid.In the first valve
When door is closed, the second valve is opened, the braking function of motor vehicle can be realized.When the first valve is opened, the second valve is closed,
So the enabling power for stepping on pedal can be all used for door opening function, make car door be easier to open, make car door auxiliary opening device
Can be more efficient.
Compared with prior art, the advantage of the invention is that：(1) present invention does not include electronic device, can be motor-driven
Car door is opened in the case of car is cold；(2) strength that the present invention enables occupant to trample easily pushes car door open；
(3) present invention can be combined with the brake apparatus of motor vehicle, can be saved interior space and be reduced manufacturing cost.
Brief description of the drawings
The invention will be described in more detail below based on embodiments and refering to the accompanying drawings.Wherein：
Fig. 1 is the general structure and stress diagram according to the car door auxiliary opening device of the present invention；
Fig. 2 is the structure and assembling schematic diagram of the hydraulic cylinder according to the present invention and enabling part；
Fig. 3 is the assembling schematic diagram according to car door auxiliary opening device of the invention in a motor vehicle；
Fig. 4 is the structural representation according to the hydraulic part being connected with brake piping of the present invention.
In the accompanying drawings, identical part uses identical reference.Accompanying drawing is not according to the ratio of reality.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 schematically shows the general structure of the car door auxiliary opening device 10 (hereinafter referred to as device 10) of the present invention
And force way.Device 10 includes enabling pedal 11, hydraulic part 13 and enabling part 15.Wherein, it can apply on enabling pedal 11 and open
Door power F2, F2It is amplified by the lever 12 for connecting enabling pedal 11 and hydraulic part 13, meanwhile, F2It is delivered to hydraulic part 13.F2
Further amplified in hydraulic part 13, and pass to enabling part 15.Enabling power F after amplification3Act on car door 50
On, car door 50 can be pushed up and opened.What the structure of car door 50 here was well known to the skilled person, it is no longer superfluous herein
State.In addition, the structure and relation of enabling pedal 11 and lever 12 are only symbolically illustrated in Fig. 1, enabling pedal 11 here
It is similar with the brake pedal in automobile and the structure of lever and manner of execution with lever 12, it is not detailed herein.Pass through this
Device 10, in the case where car door is difficult to open by external force effect, the active force that occupant only rides with a people just can be by car
Door smooth opening, occupant is easily escaped from in-car, drastically increase occupant it is stranded when escape success
Rate.
Hydraulic part 13 includes being used for the driving liquid case 31 of receiving driving liquid and by driving liquid pipeline 34 and driving liquid case 31
The hydraulic cylinder 35 of connection.Wherein, driving liquid case 31 also includes barrel-like body 32 and movable lid 33.In this case, open
Door pedal 11 is connected with the power arm end 21 of lever 12, and lid 33 is connected with the resistance arm end 22 of lever 12.So, enabling is worked as
During 11 applying power of pedal, enabling power F2Lid 33 is passed to from enabling pedal 11 by lever 12, while realizes enabling power F2's
Amplification.Lid 33 will drive liquid from barrel-like body 32 by driving liquid pipeline 34 to be pushed into hydraulic cylinder 35, this process while energy
By enabling power F2Further amplification.
Enabling part 15 includes being used for the piston 14 for pushing car door 50, and is contained in hydraulic cylinder 35.The knot of the hydraulic cylinder
What structure was well known to those skilled in the art, it is not added with repeating herein.Emphasis clamshell doors part is described further below.
Fig. 2 schematically shows the structure and assembly relation of the hydraulic cylinder 35 and enabling part 15 according to the present invention.Wherein,
Hydraulic cylinder 35 is connected with pipeline 34, and blending bolt is fixed in the driver door rear column 40 of car body.Piston 14 includes piston
Disk 41 and push rod 42.Wherein, push rod 42 is that the one end contacted with car door 50 is free end.The free end is provided with flange 43, this
On the one hand setting can avoid push rod 42 from pushing up bad or scratch car door 50, the entirety of push rod 42 on the other hand can be avoided to submerge liquid
In cylinder pressure 35, ensure that piston 14 can more efficiently push up door opening 50.In addition, being also provided with elastomeric material at flange 43, use
Further to protect car door 50.Preferably, when device 10 does not work, push rod 42 is also in contact with car door 50, and this set can
The stroke for ensureing piston 14 is effective travel.The diameter of piston plate 41 in Fig. 2 and the diameter of push rod 42 are equal, should note here
Meaning, the diameter of push rod 42 might be less that the diameter of piston plate 41.On the one hand this set can reduce piston 14 and hydraulic pressure
Friction between cylinder 35, materials on the other hand can be reduced, save cost.
In addition, as depicted in figs. 1 and 2, the area of lid 33 is 1 with the area ratio of piston plate 41:1.5~1:8, lever 12
Power arm and the ratio between resistance arm be 3:1~4.5:1, the movement angle scope of enabling pedal 11 is 10 ° to 30 °.Preferably, cover
The area of body 33 is 1 with the area ratio of piston plate 41:2~1:4, the movement angle of enabling pedal 11 is 20 °.This set can
Ensure the operating efficiency of device 10, in the case of labour-saving as far as possible, ensure that piston 14 has the stroke for pushing car door 50 enough.Such as
The area of the area of operculum body 33 and piston plate 41 may result in enabling power F than too small2Amplify insufficient, it is difficult to by car door
50 open, if than excessive, to may result in the stroke of piston 14 again too short for the area of the area of lid 33 and piston plate 41, do not have
There is positive effect.The setting of the movement angle of enabling pedal 11 can ensure that occupant steps on enabling with the angle of the most comfortable and stepped on
Plate 11, in this case, occupant trample caused enabling power F2It is maximum.
Fig. 3 schematically shows the assembling schematic diagram of device 10 in a motor vehicle.By can be seen that in Fig. 3, device 10
Enabling pedal 11, lever 12 and driving liquid case 31 are similar to the corresponding construction in brake device for car, and can directly be replaced
The corresponding construction being changed in brake apparatus.
As shown in figure 4, the device 10 being assemblied in motor vehicle can be connected with the brake apparatus 70 of motor vehicle.Drive liquid pipe
The first valve 36 is provided with road 34, for controlling whether driving liquid flows to hydraulic cylinder 35.Another driving liquid pipeline 34 is in the first valve
36 upstream portion end of door is connected with the brake piping 60 of motor vehicle.When the first valve 36 is closed, driving liquid case 31 will drive liquid
By driving liquid pipeline 34 to be delivered in brake piping 60, for realizing the braking function of motor vehicle；Opened in the first valve 36
When, driving liquid energy is flowed into hydraulic cylinder 35 along driving liquid pipeline 34, for realizing door opening function.This set can by device 10 with
The brake apparatus 70 of motor vehicle is combined, and is saved interior space and is made car cost.Preferably, it is additionally provided with brake piping 60
Second valve 37.The setting of second valve 37 can more facilitate control of the occupant to driving liquid.Closed in the first valve 36
When closing, the second valve 37 is opened, the braking function of motor vehicle can be realized.When the first valve 36 is opened, the second valve is closed
37, it can will so step on the enabling power F of enabling pedal 112All it is used for door opening function, makes car door 50 be easier to open, make device
10 can be more efficient.
F1Active force for external force to car door 50, F1Generate torque T of the external force to car door 501, act on the weight of car door 50
In the heart.F2To act on the enabling power F on enabling pedal 112, by the lever ratio i for the lever 12 being connected with enabling pedal 111
(i1For the ratio between power arm and resistance arm) first time amplification is carried out, and by driving liquid case 31, by enabling power F2It is applied to lid
On 33, and driving liquid stream is promoted to driving liquid pipeline 34.Driving liquid pipeline 34 will drive liquid to be delivered in hydraulic cylinder 35, promotes and lives
Plug 14, now, because the area of piston 14 is bigger than the area of lid 33, so energy clamshell doors power is further amplified, put
Big ratio is i2=S2/S1, wherein, S2For the area of piston 14, S1For the area of lid 33.By the enabling power F amplified twice3For
Piston 14 promotes the power of car door 50, enabling power F3Torque T is generated to car door 502, for car door 50 to be pushed open.
The feasibility of device 10 is illustrated with specific example below.
Assuming that vehicle enters in water, the water surface is away from the high 1m in car door bottom.Now, the pressure in the middle part of car door
P=ρ gh=1 × 103kg/m3×10m/s2× 0.5m=5 × 103Pa
If the underwater area S=0.6m of car door 502, then directed force F of the water to car door 501For：
F1=P × S=5 × 103Pa×0.6m2=3 × 103N
Directed force F1The distance of application point and car door rotating shaft be L1, directed force F1To the opplied moment T of car door rotating shaft1For：
T1=F1×L1=3 × 103N × 0.5m=1.5 × 103N·m
As known from the above, as water surface 1m high away from car door bottom, water is up to 1500Nm to the opplied moment of car door 50,
Ordinary people is so difficult in the car to push car door 50 open in narrow space.
If pushed open car door 50 with device 10, common people step on the enabling power F of enabling pedal 112About：
F2=400N
The lever ratio for the lever 12 being connected with enabling pedal 11 can be i1=3, the clamshell doors power F of hydraulic part 132Further amplification
Amplification ratio can be i2=2.Thus, directed force F of the piston 14 to car door 503For：
F3=F2×i1×i2=400N × 3 × 2=2.4 × 103N
Directed force F3The distance of application point and car door rotating shaft be L2, directed force F3To the opplied moment T of car door rotating shaft2For：
T2=F3×L2=2.4 × 103N × 1m=2.4 × 103Nm ＞ T1
It can thus be concluded that arrive, T2Significantly larger than T1.Easily car door 50 can be pushed open by device 10, realize occupant
Easily and quickly withdraw.Because the present apparatus 10 does not include electronic device, therefore the present apparatus 10 also ensures, in motor vehicle not
When can be powered, occupant can still be opened car door top by device 10.
Although by reference to preferred embodiment, invention has been described, is not departing from the situation of the scope of the present invention
Under, various improvement can be carried out to it and part therein can be replaced with equivalent.Especially, as long as being rushed in the absence of structure
Prominent, the every technical characteristic being previously mentioned in each embodiment can combine in any way.The invention is not limited in text
Disclosed in specific embodiment, but all technical schemes including falling within the scope of the appended claims.
Claims (8)
1. a kind of car door auxiliary opening device, including：
Enabling pedal, enabling power can be applied on the enabling pedal；
Hydraulic part, it is connected by the lever for amplifying the enabling power with enabling pedal, and the hydraulic part is further put
The big enabling power；With
Driven by the hydraulic part and be used for the enabling part for pushing up door opening；
Wherein, enabling power is applied by the enabling pedal, the enabling power is amplified and passed to the hydraulic pressure by the lever
The enabling power is further amplified and passes to the enabling part by part, the hydraulic part, and the car is driven on the enabling part top
Door；
The hydraulic part includes being used for the driving liquid case of receiving driving liquid and by driving liquid pipeline with the driving liquid case to be connected
Hydraulic cylinder, it is described driving liquid case include barrel-like body and movable lid, the lid is connected with the lever；
Be provided with the first valve on the driving liquid pipeline, the driving liquid pipeline first valve upstream section with
The brake piping connection of motor vehicle,
Wherein, when first valve is closed, the driving liquid is flowed in the brake piping by the driving liquid pipeline,
To the braking of motor vehicle,
In first valve opening, the driving liquid is flowed into the hydraulic cylinder by the driving liquid pipeline, so as to drive
The enabling part is moved to open the car door.
2. car door auxiliary opening device according to claim 1, it is characterised in that the enabling part includes being used to push car
The piston of door, the piston include the piston plate being contained in piston cylinder and extended from the piston plate towards the car door to push up
Touch the push rod of the car door.
3. car door auxiliary opening device according to claim 2, it is characterised in that the area of the lid and the piston
The area ratio of disk is 1:1.5~1:8.
4. the car door auxiliary opening device according to any one of Claim 1-3, it is characterised in that the lever moves
The ratio between the arm of force and resistance arm are 3:1~4.5:1.
5. the car door auxiliary opening device according to any one of Claim 1-3, it is characterised in that the enabling pedal
Movement angle scope be 10 ° to 30 °.
6. car door auxiliary opening device according to claim 2, it is characterised in that what the push rod contacted with the car door
One end is free end, and flange is configured with the free end.
7. a kind of motor vehicle, it includes the car door auxiliary opening device according to any one of claim 1 to 6.
8. motor vehicle according to claim 7, it is characterised in that the second valve is additionally provided with the brake piping,
To forbid driving liquid stream to enter in the brake piping in first valve opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410352487.XA CN105317309B (en) | 2014-07-23 | 2014-07-23 | Auxiliary opening device for vehicle door and motor vehicle comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410352487.XA CN105317309B (en) | 2014-07-23 | 2014-07-23 | Auxiliary opening device for vehicle door and motor vehicle comprising same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105317309A CN105317309A (en) | 2016-02-10 |
| CN105317309B true CN105317309B (en) | 2018-01-05 |
Family
ID=55245529
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410352487.XA Active CN105317309B (en) | 2014-07-23 | 2014-07-23 | Auxiliary opening device for vehicle door and motor vehicle comprising same |
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| Country | Link |
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| CN (1) | CN105317309B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678586B (en) * | 2018-05-10 | 2019-12-10 | 武汉理工大学 | gravity self-opening and self-closing access control system based on Pascal principle |
| CN110344679B (en) * | 2019-07-23 | 2021-07-13 | 广州小鹏汽车科技有限公司 | Door module for a motor vehicle, method for opening a door of a motor vehicle, and storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5549348A (en) * | 1995-10-03 | 1996-08-27 | Ford Motor Company | Door closer mechanism for a vehicle |
| US5566962A (en) * | 1994-10-14 | 1996-10-22 | Burnham; Roy | Truck step guard |
| KR0158355B1 (en) * | 1995-12-22 | 1998-12-01 | 김태구 | Acceleration pedal locking device of city bus durng door open |
| CN201065708Y (en) * | 2007-05-22 | 2008-05-28 | 石英环 | Automatic door open and close device for car |
| CN201745531U (en) * | 2010-08-21 | 2011-02-16 | 邹崇毓 | Automatic lifesaving device for automobile falling into water |
| CN202686332U (en) * | 2012-06-18 | 2013-01-23 | 黑龙江省电力有限公司信息通信分公司 | Linkage device of opening of bus door and braking of bus |
-
2014
- 2014-07-23 CN CN201410352487.XA patent/CN105317309B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5566962A (en) * | 1994-10-14 | 1996-10-22 | Burnham; Roy | Truck step guard |
| US5549348A (en) * | 1995-10-03 | 1996-08-27 | Ford Motor Company | Door closer mechanism for a vehicle |
| KR0158355B1 (en) * | 1995-12-22 | 1998-12-01 | 김태구 | Acceleration pedal locking device of city bus durng door open |
| CN201065708Y (en) * | 2007-05-22 | 2008-05-28 | 石英环 | Automatic door open and close device for car |
| CN201745531U (en) * | 2010-08-21 | 2011-02-16 | 邹崇毓 | Automatic lifesaving device for automobile falling into water |
| CN202686332U (en) * | 2012-06-18 | 2013-01-23 | 黑龙江省电力有限公司信息通信分公司 | Linkage device of opening of bus door and braking of bus |
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| Publication number | Publication date |
|---|---|
| CN105317309A (en) | 2016-02-10 |
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