CN104165008A - Latch type movable hinge device of automobile engine hood - Google Patents
Latch type movable hinge device of automobile engine hood Download PDFInfo
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- CN104165008A CN104165008A CN201310183061.1A CN201310183061A CN104165008A CN 104165008 A CN104165008 A CN 104165008A CN 201310183061 A CN201310183061 A CN 201310183061A CN 104165008 A CN104165008 A CN 104165008A
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- sheet
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- snap close
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Abstract
The invention relates to a latch type movable hinge device of an automobile engine hood; a movable hinge structure enabling the back end of the engine hood to ascend is simpler; and when an automobile is collided with a pedestrian, a safety fixed pin fixed by a lifting piece and an arm piece forming the movable hinge device is quickly cut off, so that the back end of the engine hood is prevented from descending again after ascending, the reliability and durability of the movable hinge device are guaranteed, and the protection of pedestrian safety is facilitated. The device fixes the arm piece and the lifting piece connected with an automobile body fixed frame of the automobile; and when the automobile is collided with the pedestrian, a bushing and the safety fixed pin are quickly cut off to quickly ascend the back end of the engine hood, so that the bushing and the safety fixed pin forming a corrosion resistant structure are combined with the lifting piece and the arm piece. The movable hinge device comprises the arm piece, a latch device and an actuating device, wherein the latch device consists of a latch and a latch gear, and prevents the back end, connected with the arm piece and the lifting piece of a starting side hinge shaft, of the engine from descending again after ascending; and the actuating device is used for ascending the back end of the engine hood.
Description
Technical field
The present invention relates to the bayonet type hinges device of automotive hood, specifically be applicable to automotive hood open hinging manner and chain type hinging manner forwardly, during with pedestrian impact, for alleviating the impact of head or guaranteeing that the space of airbag deployment is risen the rearward end of hood, the rearward end that then prevents hood again declines and promotes the bayonet type hinge means of automotive hood of the reliability of its starting from structure.
Background technology
As everyone knows, if crash with pedestrian during running car, because being impacted, the front glass of pedestrian's head and the rearward end of automotive hood or automobile collision and pedestrian's head is easily come to harm.
The hood of automobile is to be assemblied in car body with hinging manner, for the Kai Heguan of engine room, in general, the lightweight hinging manner that uses of hood, weight and the intensity of hood are large, with chain type hinging manner, realize the Kai Heguan of hood.
Traditionally for the structure of using the automotive hood of described hinge type and chain type hinging manner; multiple technologies scheme has been proposed; as: when automobile and pedestrian impact for preventing behavior head injuries; when crashing; the rearward end that makes hood rises rapidly and guarantees the cushion space of hood, or in order to launch to make for the protection of pedestrian's air bag the rearward end rising etc. of hood on the front glass of automobile.
According to the movable hood hinge device of prior art Korean Patent Registration 10-0726165 vehicle, the hinge part of the hinge part of the first chain and the second chain and the second chain and bracket is to use steady pin to be formed on the simple structure that under certain twisting resistance, restraint of liberty rotates, but steady pin has two, the size of steady pin is also minimum, be difficult for assembling, and because steady pin is too little, its durability is low, there is the problems such as binding strength deficiency in long-term use.
In order to solve described problem, if strengthen the diameter of steady pin, the rigidity of steady pin is too strong, steady pin is difficult for being cut off and causes the problem that initiatively starting reliability of hood hinge declines, for solving described problem, with aluminum, make steady pin, easily assembling, the rigidity of steady pin also can keep appropriateness, but electric current during running car on car body is transmitted to aluminium steady pin, aluminium steady pin is corroded, and durability declines and causes the starting reliability of hinges device and the problem that durability all declines.
In addition, according to the structure of No. 10-0774772 active hood hinge device of prior art Korean Patent Registration, be applicable to four pitch chain h type engine h cover hinges, by three chain members and four joint pins, formed and complex structure, cost of production rises and runs in the opposite direction with the lightweight development trend of car body, and initiatively during hood hinge starting inboard hinge member and lateral hinge member first rise, then the rearward end of hood rises.According to the hinges device of another prior art Korean Patent Registration 10-1020487 automotive hood, be applicable to single-unit chain hood hinge, its structure is by the first member with car body secure bond, form with second component, connecting elements and the detachable coupling member of hood secure bond.
Under said structure condition, when automobile and pedestrian bump, hinges device is that the rearward end rising of hood is started, according to the structure of No. 10-0774772nd, Korean Patent Registration, inboard hinge member and lateral hinge member expand, according to Korean Patent Registration 10-1020487 structure, second component with hood secure bond, connecting elements expands and the rearward end rising of hood, as mentioned above, after the rearward end of hood rises, under the weight and impact of hood, the strength that wish declines plays a role and hood is declined.
Then the air bag that launches to automobile front glass is pressurized and reduce pooling feature, or hinders airbag deployment, and the cushion space of hood the various problems such as dwindles and also exposes thereupon.
For solving described problem, having a kind of hinges device is to adopt preventing engine cover lowering means, this apparatus structure is simple, be hanging groove and flexure strip to be installed forming on the inboard hinge member of hinges device and lateral hinge member, under interacting, the rearward end of hood can not decline after rising again.
But structure, its durability reduces greatly, if the Heavy Weight of hood or under impacting the effect of loading larger, cause preventing engine cover lowering means to be difficult to bring into play function.
Pressurized and cause its pooling feature to reduce thereupon the air bag launching to automobile front glass, or hinder airbag deployment, the cushion space of hood such as dwindles at the problem, the problem existing in current disclosed its structure of comings and goings hinge means.
Summary of the invention
Technical problem
For solving described problem; the invention provides a kind of bayonet type hinges device of automotive hood; the bayonet type hinges device of this automotive hood is that the hinges structure of the rearward end rising of hood is simplified more; when automobile and pedestrian crash; by form hinges device mention sheet and the securing safe steady pin of arm sheet is cut off rapidly; especially; after the rearward end that prevents hood rises, again decline, guarantee the reliability of hinges device starting and durability and help to protect pedestrian's safety.
Technical scheme
For realizing described object, the technical solution adopted in the present invention is the arm sheet that the car body fixed mount with automobile is connected and mentions sheet and fix, when automobile and pedestrian impact, lining and safe steady pin are cut off rapidly and make the rearward end of hood increase rapidly, form the lining of anti-corrosion structure and safe steady pin and mention sheet and arm sheet and be combined;
And comprise: arm sheet is connected with the car body fixed mount of automobile centered by hood open sides hinge axis; Locker, consists of snap close and snap close gear, for preventing that the rearward end of motor is connected in described arm sheet and mentioning after sheet rises of starting side hinge axis declines again; Actuating device, for the rearward end rising of hood.
Beneficial effect
According to the present invention, its beneficial effect is, makes the designs simplification of the hinges device that the rearward end of hood rises, and utilizes lining and safe steady pin, prevents corrosion, is also easy to depart from when making arm sheet and mentioning sheet strong bonded.
In addition; after actuating device starting, make to mention on the bottom of sheet and rise; lining and safe steady pin are cut off rapidly and make the rearward end of hood increase rapidly; especially utilizing snap close and snap close gear to suppress hood declines; make to protect pedestrian's air bag launch rapidly and keep shape, for alleviating, pedestrian's impact is guaranteed to cushion space helps to protect pedestrian's safety.
Accompanying drawing explanation
Fig. 1 means that the present invention is applicable to the illustration figure of car body fixed mount.
Fig. 2 means the phantom drawing of decomposition texture of the present invention.
Fig. 3 means that hood of the present invention starts illustration figure when open.
Fig. 4 starts illustration figure while meaning hood rearward end rising of the present invention.
Fig. 5 is the A-A line sectional view of Fig. 3.
Fig. 6 is the B-B line sectional view of Fig. 4.
Fig. 7 means the cut-away section phantom drawing of the structure on lining of the present invention.
Fig. 8 means the illustration figure of another structure on lining of the present invention.
Fig. 9 means the illustration figure of another structure again on lining of the present invention.
Figure 10 is the decomposition diagram of another structure on locker of the present invention.
Figure 11 is the sectional drawing of the locker that shows under the confined state of Fig. 3.
Figure 12 is the sectional drawing of the locker that shows under the confined state of Figure 10.
Symbol description in figure
1: car body fixed mount 3: hood
4: actuating device 10: arm sheet
11: open sides hinge axis 12: starting side hinge axis
13: block 14: combined hole
20: mention sheet 21: block hanging groove
23: axis of rotation 30: safe steady pin
30a: safe steady pin 2 30b: safe steady pin 3
31a: hollow type body 32: cut off groove
33: splitted groove 37: flexible block
38: block hanging groove 40: lining
41: bush body 42: cut
50: snap close 51: snap close gear
The specific embodiment
Structure accompanying drawing, is described in detail to embodiments of the invention below.
The composition structure of the bayonet type hinges device of automotive hood of the present invention comprises: the arm sheet (10) that is connected in car body fixed mount (1) by hood open sides hinge axis; What can be rotationally connected with described arm sheet (10) centered by hinge axis by starting mentions sheet (10); Utilize snap close (50) and snap close gear (51) to mention the locker (60) that sheet (10) declines described in suppressing; For fixing and remove described arm sheet (10) and mention the safe steady pin (30) of sheet (20); And on copper wire lath, implement the lining (40) of polytetrafluoroethylcoating coating films for pre-anticorrosion; The actuating device (4) rising for mentioning sheet.
One side of described arm sheet (10) is connected in the hinge axis (1) of fixed mount (1) and hood open sides, opposite side by starting hinge axis (12) be connected in be connected with the rearward end of hood (3) mention sheet (20),
A described side of mentioning sheet (20) forms the block hanging groove (21) with upper block (13) combination forming of arm sheet (10), at arm sheet (10) with mention and have safe steady pin (30) combination and by arm sheet (10) with mention sheet (20) and fix with lining (40) together with on the upper combined hole (14) forming of sheet (20)
Described lining (40) and safe steady pin (30) are that hood (3) will be mentioned sheet (20) while opening and arm sheet (10) is fixed into one, the rearward end of hood (3) is cut off while rising, only mention sheet (20) rotates centered by starting side hinge axis (12)
Described lining (40) is oxidized or because the electric current on car body is corroded for preventing safe steady pin (30) ingress of air of aluminum system, and forms for strengthening durability.
Described lining (40) is for preventing corrosion, on copper wire lath, form polytetrafluoroethylcoating coating films, central authorities in bush body (41) form cut (42) and the connecting portion (43) that makes lining (40) be easy to cut-out around, with the safe steady pin (30) of the combined outside of described lining (40) be for guaranteeing rigidity and easily cutting off, with aluminum, form, and formed by the cut-out groove (32) of body (31) and body (31) outer peripheral edges.
Actuating device (4) is to be installed on the bottom of mentioning sheet (20), fast starting while bumping with pedestrian detected, make to mention sheet (20) rotation centered by starting side hinge axis (12) and cut off safe steady pin (30) and lining (40) simultaneously, then make the rearward end of mentioning sheet (20) and hood (3) increase.
And decline because of loading for the rearward end of arm sheet (20) and hood (3) centered by arm sheet (10) and starting hinge axis (12) suppresses it after rising, at arm sheet (10) with mention above installation locker (60) of sheet (20).
Described locker (60) be by arm sheet (10) with mention upper formation of starting hinge axis (12) that sheet (20) is connected, described starting side hinge axis (12) is axis hole (15) combination with arm sheet (10), in a side, form head, then form four bights (53) and axial region (54), making to mention the upper four jiaos of holes (25) that form of sheet (10) and snap close gear (51) above rotates together with mentioning sheet (20) with upper four bights (53) combination forming of starting side hinge axis (12) in four jiaos of holes (55) of formation
The inner side of described arm sheet (10) is for preventing that snap close gear (51) counter-rotating that is incorporated into starting side hinge axis together with mentioning sheet is provided with snap close (50).
Another locker (60) is as shown in figure 10 again, the medial surface of mentioning sheet (20) being connected by starting side hinge axis with arm sheet (10) forms snap close gear (51), for suppressing snap close gear (51) counter-rotating, snap close (50) is installed on arm sheet (10).
Safe steady pin 2(30a) be as for fixed arm sheet (10) with mention another structure of the safe steady pin of sheet (21), by cut-out groove (32) formation forming in hollow type body (31a) and hollow type body (31a) outer peripheral edges.
Described safe steady pin 2(30) be that the inside of its hollow type body (31a) consists of hollow type and realizes safe steady pin 2(30) lightweight, the safe steady pin 3(30b of another structure again) be that a side at hollow type body (31a) forms splitted groove (33), in described hollow type body (31a) outer peripheral edges, form and cut off groove (32).
Described safe steady pin 3(30b) be that the inside of its hollow type body (31a) consists of hollow type and realizes safe steady pin 3(30b) lightweight, and when safe steady pin 3 is inserted into lining (40), can utilizes splitted groove (33) to insert with the state of reduced and form the structure that is easy to assembling.
Under regard to and there is the as above effect of the bayonet type hinges device of the automotive hood of the present invention of structure and be described in detail.
While usually opening the hood of automobile, as shown in Figure 4, arm sheet (10) and mention sheet (20) and rotate centered by hood open sides hinge axis (11) and make hood open.
For the opening of described hood, illustrate and be exactly, arm sheet (10) and to mention sheet (20) be to go up in conjunction with lining (40) and safe steady pin (30) at starting side hinge axis (12) and arm sheet (10) and the combined hole (14) of mentioning the upper formation of sheet (20), utilize block and block hanging groove to keep the state mutually combining, therefore rotation and make hood open centered by hood open sides hinge axis (11).
And during running car and pedestrian bump, as shown in Fig. 5 and Fig. 7, the sheet (20) of mentioning that actuating device (4) starting makes to be connected in the rearward end of hood rises.
In other words, actuating device (4) starting, mention together with the rearward end of sheet and hood and rise, be incorporated into and mention lining (40) connecting portion (43) of sheet and arm sheet and the cut-out groove (32) of safe steady pin (30) part and be cut off, the stationary state that makes arm sheet (10) and mention sheet (20) is disengaged, under the effect of increasing of continue implementing at actuating device (4), mention sheet (20) and make the rearward end of hood (3) increase to start rotation centered by side hinge axis (12).
As mentioned above, mentioning after sheet (20) rises that the rearward end of hood is connected can decline in its loading, but now because colliding actuating device or declining because locker (60) stops the rearward end of mentioning sheet (20) and connected hood (3).
The effect of described locker is, the rearward end of mentioning sheet (20) and connected hood (3) rises, mention four bights (53) that sheet (20) and snap close gear (51) be configured starting side hinge axis (12) and form the state be fixed to one, so snap close gear (51) is to start rotation centered by side hinge axis (12).
Subsequently, being installed on the snap close gear (51) that sawtooth that snap close (50) on arm sheet (10) enters snap close gear (51) suppresses to be connected in starting side hinge axis together with mentioning sheet cannot counter-rotating.
The effect of another locker (60) is again, the rearward end of mentioning sheet (20) and connected hood (3) rises, and the snap close that is installed on arm sheet (10) enters the sawtooth of the locker (51) forming on the medial surface of mentioning sheet (20) and the rearward end of mentioning sheet and hood that suppresses to form locker declines.
As mentioned above, mention sheet (20) rotates centered by starting side hinge axis (12), under the state that hood (3) is fixed by car body forwardly thereupon, at arm sheet (10), do not start under the state rising, thereafter directly rise in end, when pedestrian impact hood, guarantee the deformation space of hood and guarantee pedestrian's safety, when pedestrian bumps against the front glass of automobile, the rearward end of hood rises, and also has air bag to front glass expansion, to guarantee pedestrian's safety.
The safe steady pin 2(30a with another structure) effect is, the inside of hollow type body (31a) consists of hollow type and realizes safe steady pin 2(30a) lightweight, safe steady pin 2(30a) be easy to cut off, the safe steady pin 3(30b of another structure again) be that the inside of its hollow type body (31a) is formed and formed splitted groove (33) by hollow type, while therefore inserting safe steady pin 3 to combined hole (14) is upper, diameter is cut open and when groove (33) dwindles, is inserted into and is convenient to assembling, realize lightweight, and hinges device also can be implemented starting reliably.
Claims (4)
1. the bayonet type hinges device of an automotive hood, the hinges device of this automotive hood is to make hood open in the place ahead of automobile, hinging manner and chain type hinging manner are all applicable, while bumping with pedestrian, hood rearward end rises and reduces the impact to pedestrian head, it is characterized in that
Comprise: mention sheet, with starting side hinge axis, be connected with the arm sheet of the described hinges device of formation, rise with together with the rearward end of hood when pedestrian bumps;
For described, mention that sheet is fixed on arm sheet or separated, to arm sheet and the combined hole of mentioning sheet in conjunction with safe steady pin and lining;
Described lining is for preventing safe steady pin corrosion, implement polytetrafluoroethylcoating coating films on copper wire lath, for being easy to cut off, in central authorities, form cut and connecting portion around, safe steady pin is for preventing corrosion, forming with aluminum, and cut off for being easy to, in outer peripheral edges, form and cut off groove;
Actuating device, makes the rearward end of mentioning sheet and hood rise when cutting off when automobile and pedestrian bump arm sheet and mentioning the securing safe steady pin of sheet and lining;
Locker, consists of snap close and snap close gear, for the rearward end of mentioning sheet and hood that prevents from having risen, again declines.
2. the bayonet type hinges device of automotive hood according to claim 1, is characterized in that,
For combination arm sheet and the safe steady pin of mentioning sheet, be, for realizing lightweight, to form hollow type body or form splitted groove in a side of hollow type body;
The block hanging groove forming in a side of mentioning sheet by starting side hinge axis and the connection of arm sheet can be combined with the block that forms on arm sheet.
3. the bayonet type hinges device of automotive hood according to claim 1, is characterized in that,
Described locker is at linking arm sheet and mentions on the starting hinge axis of sheet and form, described starting side hinge axis is to be combined with the axis hole of arm sheet, form four bights and axial region, four bights that four jiaos of holes that four jiaos of holes that make to form on arm sheet form on snap close gear form on starting side hinge axis in conjunction with and rotate together with mentioning sheet;
The inner side of described arm sheet is provided with snap close, for the snap close gear counter-rotating that prevents from being combined with starting side hinge together with mentioning sheet.
4. the bayonet type hinges device of automotive hood according to claim 1, is characterized in that,
Locker is, on the medial surface of mentioning sheet being connected by starting side hinge axis with arm sheet, forms snap close gear, in order to prevent the counter-rotating of snap close gear, on arm sheet, snap close is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310183061.1A CN104165008B (en) | 2013-05-17 | 2013-05-17 | The bayonet type hinges device of automotive hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310183061.1A CN104165008B (en) | 2013-05-17 | 2013-05-17 | The bayonet type hinges device of automotive hood |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104165008A true CN104165008A (en) | 2014-11-26 |
| CN104165008B CN104165008B (en) | 2016-06-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310183061.1A Expired - Fee Related CN104165008B (en) | 2013-05-17 | 2013-05-17 | The bayonet type hinges device of automotive hood |
Country Status (1)
| Country | Link |
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| CN (1) | CN104165008B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105986711A (en) * | 2015-03-18 | 2016-10-05 | 现代自动车株式会社 | Passive hood hinge for vehicle |
| CN107023236A (en) * | 2016-01-29 | 2017-08-08 | 福特全球技术公司 | Hinge for hood of vehicle |
| TWI632281B (en) * | 2017-09-27 | 2018-08-11 | 信昌機械廠股份有限公司 | Hood hinge with crushable mechanism |
| CN109219541A (en) * | 2016-08-17 | 2019-01-15 | 宝马股份公司 | Hinge component |
| CN110029898A (en) * | 2018-01-12 | 2019-07-19 | 科尼赛格汽车公司 | Door hinge |
| CN110259303A (en) * | 2019-06-18 | 2019-09-20 | 浙江吉利控股集团有限公司 | A kind of active hinged system of anti-fatigue damage |
| CN110745095A (en) * | 2018-07-23 | 2020-02-04 | 比亚迪股份有限公司 | Engine hood device and vehicle |
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| US6439330B1 (en) * | 2001-11-05 | 2002-08-27 | Ford Global Technologies, Inc. | Vehicle hood deployment device for pedestrian protection |
| GB2381509A (en) * | 2001-11-05 | 2003-05-07 | Ford Global Tech Inc | Bonnet deployment device for a vehicle |
| CN101016060A (en) * | 2006-02-10 | 2007-08-15 | 福特全球技术公司 | Hinge mechanism |
| GB2451622A (en) * | 2007-08-06 | 2009-02-11 | Ford Global Tech Llc | Bonnet hinge mechanism |
| CN201784703U (en) * | 2010-08-19 | 2011-04-06 | 比亚迪股份有限公司 | Hinge for front hatchcover and automobile comprising same |
| KR20110107463A (en) * | 2010-03-25 | 2011-10-04 | 주식회사 금창 | Car trunk lid and hood hinge assembly |
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2013
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US6439330B1 (en) * | 2001-11-05 | 2002-08-27 | Ford Global Technologies, Inc. | Vehicle hood deployment device for pedestrian protection |
| GB2381509A (en) * | 2001-11-05 | 2003-05-07 | Ford Global Tech Inc | Bonnet deployment device for a vehicle |
| CN101016060A (en) * | 2006-02-10 | 2007-08-15 | 福特全球技术公司 | Hinge mechanism |
| GB2451622A (en) * | 2007-08-06 | 2009-02-11 | Ford Global Tech Llc | Bonnet hinge mechanism |
| KR20110107463A (en) * | 2010-03-25 | 2011-10-04 | 주식회사 금창 | Car trunk lid and hood hinge assembly |
| CN201784703U (en) * | 2010-08-19 | 2011-04-06 | 比亚迪股份有限公司 | Hinge for front hatchcover and automobile comprising same |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105986711A (en) * | 2015-03-18 | 2016-10-05 | 现代自动车株式会社 | Passive hood hinge for vehicle |
| CN105986711B (en) * | 2015-03-18 | 2019-04-19 | 现代自动车株式会社 | Passive type cover hinge means for vehicle |
| CN107023236A (en) * | 2016-01-29 | 2017-08-08 | 福特全球技术公司 | Hinge for hood of vehicle |
| CN107023236B (en) * | 2016-01-29 | 2021-12-03 | 福特全球技术公司 | Hinge for vehicle engine cover |
| CN109219541A (en) * | 2016-08-17 | 2019-01-15 | 宝马股份公司 | Hinge component |
| US10883293B2 (en) | 2016-08-17 | 2021-01-05 | Bayerische Motoren Werke Aktiengesellschaft | Hinge assembly |
| TWI632281B (en) * | 2017-09-27 | 2018-08-11 | 信昌機械廠股份有限公司 | Hood hinge with crushable mechanism |
| CN110029898A (en) * | 2018-01-12 | 2019-07-19 | 科尼赛格汽车公司 | Door hinge |
| CN110029898B (en) * | 2018-01-12 | 2022-03-22 | 科尼赛格汽车公司 | Door hinge |
| CN110745095A (en) * | 2018-07-23 | 2020-02-04 | 比亚迪股份有限公司 | Engine hood device and vehicle |
| CN110745095B (en) * | 2018-07-23 | 2022-04-15 | 比亚迪股份有限公司 | Engine hood device and vehicle |
| CN110259303A (en) * | 2019-06-18 | 2019-09-20 | 浙江吉利控股集团有限公司 | A kind of active hinged system of anti-fatigue damage |
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| Publication number | Publication date |
|---|---|
| CN104165008B (en) | 2016-06-15 |
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Granted publication date: 20160615 Termination date: 20200517 |