CN208646978U - A kind of hood lock catch structure and Engine Casing lid structure for pedestrian protecting - Google Patents

Abstract

The utility model discloses a kind of hood lock catch structure for pedestrian protecting and Engine Casing lid structures; it includes stiffening plate; the buffer structure extended downwardly and the extending bracket upwardly extended are provided in the stiffening plate; crumple hole and hood lock catch are provided on the buffer structure, the extending bracket is provided with supporting surface and reinforcing rib.The utility model structure is simple, easy to use, it uses single component to be integrally formed, the utilization rate of material is high, reduce the weight and cost of single part, meanwhile the structure buffers crumple when ensuring with pedestrian collision, reduction is not in durable problem of Cracking within the service life period to the injury of pedestrian and hood.

Description

A kind of hood lock catch structure and Engine Casing lid structure for pedestrian protecting

Technical field

The utility model relates to a kind of hood lock catch structures, belong to technical field of automobile parts more particularly to a kind of hair Motivation hood lock catch integral type reinforcement structure and Engine Casing lid structure.

Background technique

During opening and closing and on road surface when driving, front end lock region bears larger engine bonnet Shock loading, especially 350mm impacts durable situation, and the load that lock region is born is most severe, it is desirable that in guideline lives In there can be no durable problem of Cracking.On the other hand in national new legislation in 2018, automobile to the protection security performance of pedestrian In terms of becoming significant concern, on-deformable hard spot will bring huge injury, institute to pedestrian head below hood With, need it is a kind of be easy to crumple energy-absorbing again and can improve simultaneously hood Impacting endurance can structure, solve pedestrian protecting and impact Durable problem.

Summary of the invention

The invention of the utility model is to design a kind of integrated novel hood lock catch connection reinforcement for above-mentioned performance requirement Structure when ensuring with pedestrian collision, buffers crumple, reduces the injury to pedestrian, while hood is in service life It is not in durable problem of Cracking in period.

It is buckled in order to solve the above technical problems, the utility model uses such a hood lock for pedestrian protecting Structure comprising stiffening plate is provided with the buffer structure extended downwardly and the extending bracket upwardly extended in the stiffening plate, described Crumple hole and hood lock catch are provided on buffer structure, the extending bracket is provided with supporting surface and reinforcing rib.

In a kind of preferred embodiment of the utility model, the buffer structure includes the first crumple plate and the second crumple Plate, the first crumple plate and the second crumple plate are provided with crumple hole and the circular hole for connecting hood lock catch.

In a kind of preferred embodiment of the utility model, the extending bracket includes two groups of relatively described buffer structures The Extension support being arranged symmetrically, every group of Extension support includes the first extension flange and second extends flange, and first extension is turned over Reinforcing rib is provided on side or/and the second extension flange.

In a kind of preferred embodiment of the utility model, assistant reinforcement muscle and positioning are provided in the stiffening plate Hole.

In a kind of preferred embodiment of the utility model, the hood lock catch and the buffer structure pass through rotation riveting side Formula connection.

In a kind of preferred embodiment of the utility model, the stiffening plate, the buffer structure and extension branch Frame uses integral structure punch forming.

The invention also discloses a kind of Engine Casing lid structure, including hood inner panel, on the inside of the hood inner panel It is welded with the hood lock catch structure for pedestrian protecting.

The beneficial effects of the utility model are: the utility model structure is simple, easy to use, use single component integrated The utilization rate of molding, material is high, reduces the weight and cost of single part, meanwhile, which ensures and pedestrian collision When, crumple is buffered, reducing to the injury of pedestrian and hood is not in that durable cracking is asked within the service life period Topic.

Detailed description of the invention

Fig. 1 is the connection relationship partial schematic diagram of the utility model hood lock catch structure and hood inner panel；

Fig. 2 is the connection relationship diagram of the utility model hood lock catch structure Yu hood inner panel solder joint；

Fig. 3 is the utility model hood lock catch structural schematic diagram；

Wherein, 1- hood inner panel；2- hood lock catch new structure；2.1- stiffening plate；2.1.1- assistant reinforcement muscle；2.1.2- Location hole；2.2-1- the first crumple plate；2.2-2- the second crumple plate；2.2- buffer structure；2.3- extending bracket；2.3-1- extending Frame；2.3.1- supporting surface；2.3.2- reinforcing rib；2.3-11- first extends flange；2.3-12- second extends flange；2.4- machine Cover lock.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this Utility model is not used to limit the utility model.

Fig. 1 to Fig. 3 is please referred to, a kind of hood lock catch new structure of pedestrian protecting of the utility model embodiment is used for Realize the connection of hood inner panel and hood lock catch, the difference is that: mainly a kind of hood lock for pedestrian protecting buckles Structure, including stiffening plate 2.1, the extending bracket for being provided with the buffer structure 2.2 extended downwardly in stiffening plate 2.1 and upwardly extending 2.3, crumple hole 2.2.1 and hood lock catch 2.4 are provided on buffer structure 2.2, and extending bracket 2.3 is provided with supporting surface 2.3.1 With reinforcing rib 2.3.2.Buffer structure 2.2 includes the first crumple plate 2.2-1 and the second crumple plate 2.2-2, the first crumple plate 2.2- 1 and second crumple plate 2.2-2 be provided with crumple hole 2.2.1 and the circular hole for connecting hood lock catch 2.4.Extending bracket 2.3 The Extension support 2.3-1, every group of Extension support 2.3-1 being arranged symmetrically including two groups of current buffer structures 2.2 include the first extension flange 2.3-11 and second extends to be provided on flange 2.3-12, the first extension flange 2.3-11 or/and the second extension flange 2.3-12 Reinforcing rib 2.3.2.Assistant reinforcement muscle 2.1.1 and location hole 2.1.2 are provided in stiffening plate 2.1.Hood lock catch 2.4 and buffering are tied Structure 2.2 is connected by revolving riveting mode.Stiffening plate 2.1, buffer structure 2.2 and extending bracket 2.3 are struck out using integral structure Type.

The invention also discloses a kind of Engine Casing lid structure, including hood inner panel 1, it is welded on the inside of hood inner panel 1 Hood lock catch structure for pedestrian protecting.

The stiffening plate 2.1 of hood lock catch new structure 2 is attached with hood inner panel 1 by 6 solder joints, stiffening plate 2.1 On form protrusion reinforcing rib feature and hole used for positioning；To undershoot in the same axial plane of 2.1 front and back relative direction of stiffening plate Molded buffer structure 2.2, central region are provided with long round tube hole, and conducive to the crumple deformation after product stress, lower bottom part is opened Have circular hole, for lock 2.4 by revolve riveting mode connect；Stiffening plate 2.1 is in upward punch forming fold in the front-back direction Extending bracket 2.3, extending bracket 2.3 turn down transitional region, have protrusion reinforcing rib be used for solve hood impact it is durable Problem, end support face 2.3.1 are attached by 1 solder joint with hood inner panel 1, and after dividing impact force, entire lock is reinforced The stress in region is more balanced, to solve the problems, such as that the impact of hood is durable.The integrated latch connection structure, single component one The utilization rate of molding, material is high, reduces the weight and cost of single part, meanwhile, which ensures and pedestrian collision When, crumple is buffered, reducing to the injury of pedestrian and hood is not in that durable cracking is asked within the service life period Topic.

The above content is the further description for combining specific embodiment to do the utility model, and it cannot be said that The specific implementation of the utility model is only limited to these instructions.For the ordinary skill people of technical field belonging to the utility model For member, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, all should be considered as Belong to the protection scope of the utility model.

Claims (7)

1. a kind of hood lock catch structure for pedestrian protecting, it is characterised in that: including stiffening plate (2.1), the stiffening plate (2.1) extending bracket (2.3) for being provided with the buffer structure (2.2) extended downwardly on and upwardly extending, the buffer structure (2.2) crumple hole (2.2.1) and hood lock catch (2.4) are provided on, the extending bracket (2.3) is provided with supporting surface (2.3.1) and reinforcing rib (2.3.2).

2. a kind of hood lock catch structure for pedestrian protecting according to claim 1, it is characterised in that: the buffer structure It (2.2) include the first crumple plate (2.2-1) and the second crumple plate (2.2-2), the first crumple plate (2.2-1) and described second Crumple plate (2.2-2) is provided with crumple hole (2.2.1) and the circular hole for connecting hood lock catch (2.4).

3. a kind of hood lock catch structure for pedestrian protecting according to claim 2, it is characterised in that: the extending bracket (2.3) Extension support (2.3-1) being arranged symmetrically including two groups of relatively described buffer structures (2.2), every group of Extension support (2.3- 1) include first extend flange (2.3-11) and second extend flange (2.3-12), it is described first extension flange (2.3-11) or/ Extend with described second and is provided with reinforcing rib (2.3.2) on flange (2.3-12).

4. a kind of hood lock catch structure for pedestrian protecting according to claim 3, it is characterised in that: the stiffening plate (2.1) assistant reinforcement muscle (2.1.1) and location hole (2.1.2) are provided on.

5. a kind of hood lock catch structure for pedestrian protecting according to claim 1, it is characterised in that: the hood lock catch (2.4) it is connect with the buffer structure (2.2) by revolving riveting mode.

6. a kind of hood lock catch structure for pedestrian protecting according to claim 1, it is characterised in that: the stiffening plate (2.1), the buffer structure (2.2) and the extending bracket (2.3) use integral structure punch forming.

7. a kind of Engine Casing lid structure, including hood inner panel (1), it is characterised in that: welding on the inside of the hood inner panel (1) Just like the hood lock catch structure for being used for pedestrian protecting described in claim 1-6 any one claim.