CN108674494A - A kind of threshold strengthening structure - Google Patents
A kind of threshold strengthening structure Download PDFInfo
- Publication number
- CN108674494A CN108674494A CN201810394363.6A CN201810394363A CN108674494A CN 108674494 A CN108674494 A CN 108674494A CN 201810394363 A CN201810394363 A CN 201810394363A CN 108674494 A CN108674494 A CN 108674494A
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- CN
- China
- Prior art keywords
- support plate
- threshold
- plate
- strengthening structure
- fixedly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
Abstract
The present invention provides a kind of threshold strengthening structures, are related to automobile technical field.It is installed at the threshold bottom stiffener of vehicle, including the first support plate, connecting plate and the second support plate, the connecting plate is fixedly connected with the threshold bottom stiffener；First support plate and the second support plate are fixedly connected on the both sides of the connecting plate and constitute " several " shape structure with connecting plate；First support plate and the second support plate are equipped with connection flange, and connection flange is fixedly connected with the threshold outside plate of vehicle；The reinforcement flange for being fixedly connected with the threshold outside plate or the threshold bottom stiffener is equipped at the periphery edge of first support plate and the second support plate.It is insufficient to the support strength of rear door for existing threshold bottom stiffener, increase the support strength of threshold internal plate, the transmission and dispersion for effectively guiding side impact force reduce the immersion deflection of C columns and rear door, and then improve the safety index of rear passenger when side impact occurs.
Description
Technical field
The present invention relates to automobile technical fields, more particularly to a kind of threshold strengthening structure.
Background technology
The doorsill structure of automobile is when side impact occurs for automobile to protecting the safety of passenger to play a crucial role.But
Independent automobile door sill rigidity is insufficient with intensity, and energy-absorbing space is limited, be easy to generate when by side impact larger deformation quantity from
And threaten to the life security of passenger, in order to effectively guide and disperse side impact force to farthest to reduce passenger compartment
Deformation, be both provided with bottom stiffener greatly on existing automobile door sill.
But existing threshold bottom stiffener is insufficient to the support strength of rear door, can not have when side impact occurs
The transmission and dispersion of effect ground guiding side impact force, seriously affect the safety of rear passenger.
Invention content
It is an object of the present invention to provide a kind of threshold strengthening structure, so as to solve the deficiencies in the prior art, hair is improved
The safety index of rear passenger when raw side impact.
Particularly, the present invention provides a kind of threshold strengthening structures, are installed at the threshold bottom stiffener of vehicle.It is wrapped
It includes：First support plate, connecting plate and the second support plate, the connecting plate are fixedly connected with the threshold bottom stiffener；It is described
First support plate and the second support plate are fixedly connected on the both sides of the connecting plate and constitute " several " shape structure with connecting plate；It is described
First support plate and the second support plate are equipped with connection flange, and the connection flange is fixedly connected with the threshold outside plate of vehicle；It is described
The edge of first support plate and the second support plate is equipped with for being fixed with the threshold outside plate or the threshold bottom stiffener
The reinforcement flange of connection.
Further, first support plate, connecting plate, the second support plate and connection flange and reinforcement flange are integrated knot
Structure.
Further, the connecting plate is provided with the reinforcement kerve of protrusion, and the reinforcement kerve adds with the threshold bottom
Cavity is formed between strong plate.
Further, the reinforcement kerve is equipped with crumple hole.
Further, the reinforcement kerve extends to first support plate and the second support plate forms kerve extension.
Further, the kerve extension of first support plate and the second support plate is provided with crumple hole.
Further, first support plate has the first support plate extension board far from the kerve extension；It is described
Second support plate has the second support plate extension board far from the kerve extension；The first support plate extension board and second
Support plate extension board all has the shape of arc-shaped bending.
Further, the first support plate extension board and the second support plate extension board are equipped with reinforcement flange, institute
Reinforcement flange is stated to connect with the threshold outside plate or the threshold bottom stiffener.
Further, first support plate and the second support plate are provided with several reinforcing ribs.
Further, the connection flange is fixedly connected with the medial surface of the threshold outside plate.
A kind of threshold strengthening structure provided by the invention, is installed at the threshold bottom stiffener of vehicle, passes through connecting plate
Be fixedly connected with threshold bottom stiffener, by constituted with connecting plate " several " shape structure the first support plate and the second support plate with
Threshold outside plate is fixedly connected, and strengthens the structural strength in threshold and C-pillar region domain, reduces the intrusion volume of side impact threshold.Threshold is reinforced
Structure and the reinforcing plate of threshold bottom are attached, and are welded to connect with the upper surface of reinforcing plate and side, ensure C columns herein
Structural strength.
Therefore, a kind of threshold strengthening structure of the invention has the advantages that:
(1) overall construction intensity is high, and stability is good；
(2) side impact force can be effectively guided and disperse, anti-deformation and conquassation ability are strong, can greatly improve the side impact of automobile door sill
Performance；
(3) overlapping mode is simple, and scene is easy to operate, is conducive to the welding and positioning of real vehicle；
(4) simple in structure, easily manufactured, production cost is low.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Description of the drawings
Some specific embodiments that the invention will be described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical reference numeral denotes same or similar component or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing：
Fig. 1 is the company of threshold strengthening structure according to an embodiment of the invention and threshold outside plate and threshold bottom stiffener
Connect assembling schematic diagram；
Fig. 2 is the signal that is linked and packed of threshold strengthening structure according to an embodiment of the invention and threshold bottom stiffener
Figure；
Fig. 3 is the structural representation of the threshold outside plate and threshold bottom stiffener of the threshold strengthening structure of the unassembled present invention
Figure；
Fig. 4 is the overlooking structure diagram of threshold strengthening structure according to an embodiment of the invention；
Fig. 5 is the present invention looks up structural representation of threshold strengthening structure according to an embodiment of the invention.
Wherein, 1, side-wall outer-plate, 2, threshold internal plate, 3, threshold outside plate, 4, threshold bottom stiffener,
5, the first support plate, 51, connection flange, 52, reinforce flange, 53, reinforce flange, 54, reinforce flange, 55, crumple
Hole, 56, kerve extension,
6, connecting plate, 61, crumple hole, 62, reinforce kerve,
7, the second support plate, 71, connection flange, 72, reinforce flange, 73, reinforce flange, 74, crumple hole.
Specific implementation mode
It was found by the inventors of the present invention that AEMDB (English of certain vehicles in vehicle side：Advanced European
Mobile Deformable Barrier) in obstacle collision process, (general coachbuilt body has three classes column to C columns, from front to back
It is followed successively by front pillar (A columns), center pillar (B columns), rear pillar (C columns), C columns are in the both sides of rear seat headrest.) intensity cannot meet the requirements, side
During touching, the intrusion deformation of C columns and rear door is larger, leads to the abdomen of dummy, and the intrusion volume and intrusion speed of hip are exceeded,
In the presence of deduction of points phenomenon.Inventor has found that it is main by the deformation analysis of investigation and side impact rear vehicle body structure to body structure
Reason is the intensity deficiency at C columns rear portion and threshold rear portion, and support force is inadequate, and car door is caused to correspond to the abdomen of dummy, hip regions
Deflection and intrusion speed it is exceeded.Inventor is insufficient to the support strength of rear door for existing threshold bottom stiffener
Defect, it is proposed that technical scheme of the present invention effectively guides the transmission of side impact force to increase the support strength of threshold internal plate
And dispersion, reduce the immersion deflection of C columns and rear door, the safety index of rear passenger when side impact occurs to improve.
Fig. 1 is the company of threshold strengthening structure according to an embodiment of the invention and threshold outside plate and threshold bottom stiffener
Connect assembling schematic diagram.A kind of threshold strengthening structure of the present invention is described in detail with reference to Fig. 1-Fig. 5.The present invention provides
A kind of threshold strengthening structure, may be mounted at the threshold bottom stiffener 4 of vehicle, threshold bottom stiffener 4 be mounted on vehicle
Side-wall outer-plate 1 and threshold internal plate 2 junction, the structural strength for reinforcing threshold internal plate 2.In general manner, of the invention
Threshold strengthening structure may include the first support plate 5, connecting plate 6 and the second support plate 7.Connecting plate 6 is reinforced with threshold bottom
Plate 4 is fixedly connected.First support plate 5 and the second support plate 7 are fixedly connected on the both sides of connecting plate 6, and bend certain angle,
To the structure of the first support plate 5 and the second support plate 7 and the composition of connecting plate 6 substantially " several " shape.First support plate 5 is far from even
One end of fishplate bar 6 is equipped with connection flange 51.Second one end of support plate 7 far from connecting plate 6 is equipped with connection flange 71.Connect flange
51 (71) are fixedly connected with the medial surface of threshold outside plate 3, to make to pass through between threshold outside plate 3 and threshold bottom stiffener 4 this
The threshold strengthening structure support of invention is strengthened.Several reinforcements are equipped at the periphery edge of first support plate 5 and the second support plate 7 to turn over
Side 52 (53,54,72,73) reinforces flange 52 (53,54,72,73) and fixes company with threshold outside plate 3 or threshold bottom stiffener 4
It connects.It is to be appreciated that it is not facing one direction or an angle, to reinforce turning over to reinforce flange 52 (53,54,72,73)
Side 52 (53,54,72,73) is the threshold according to the first support plate 5 in specific actual vehicle model and the second support plate 7 and its periphery
The shape that outside plate 3 or threshold bottom stiffener 4 contact is adapted, in order to by reinforcing flange 52 (53,54,72,73) by the
One support plate 5 and the second support plate 7 are more firmly fixed together with threshold outside plate 3 or threshold bottom stiffener 4, to carry
Its high structural strength keeps its overall construction intensity high, and stability is good.
Specifically, the first support plate 5 of threshold strengthening structure of the invention, connecting plate 6, the second support plate 7 and connection are turned over
Side 51 and reinforcement flange 52 (53,54,72,73) can be structure as a whole.Such as can be prepared by integrated punching, structure letter
Single, easily manufactured, production cost is low.
Further, the middle part of connecting plate 6 is provided with the reinforcement kerve 62 of protrusion.Reinforce kerve 62 with threshold bottom to reinforce
Cavity is formed between plate 4.Crumple hole 61 is equipped on reinforcing kerve 62.The quantity in crumple hole 61 can be one or more.
Reinforce the tongue that kerve 62 is strip, tongue extends towards the direction of the first support plate 5 and the second support plate 7, and the
Kerve extension 56 is formed in one support plate 5 and the second support plate 7.Crumple hole 55 (74) is equipped on kerve extension 56.
In one preferred embodiment, several reinforcing ribs are additionally provided in the first support plate 5 and the second support plate 7, reinforcing rib prolongs
It is substantially parallel with the extending direction of kerve extension 56 to stretch direction.Reinforce kerve 62, kerve extension 56 and crumple hole 61
(55,74) or several reinforcing ribs act synergistically, and to increase the structural strength of threshold strengthening structure, and make when side impact occurs
The transmission and dispersion of side impact force can in time, be effectively guided, and generates crumple, further to weaken side impact force, finally
The safety index of rear passenger when side impact occurs to improve for the immersion deflection for reducing C columns and rear door.
First support plate 5 has to the first support plate extension board far from kerve extension 56.Second support plate 7 have to
The second support plate extension board far from kerve extension.First support plate extension board and the second support plate extension board are respectively relative to
First support plate 5 and the second support plate 7 are respectively provided with certain arc-shaped bend, to enhance it for threshold outside plate 3 and threshold
Support strength between bottom stiffener 4.First support plate extension board and the second support plate extension board, which are equipped with, reinforces flange 52
(53,54,72,73).Reinforce flange 52 (53,54,72,73) to be fixedly connected with threshold outside plate 3 or threshold bottom stiffener 4.I.e.
The left and right of first support plate 5 and the second support plate 7 has flanged lap joint side that can be welded to connect with periphery product up and down,
Overlapping mode is simple, and scene is easy to operate, is conducive to the welding and positioning of real vehicle.
It is to be appreciated that is referred in the present invention is fixedly connected, can be that welding, riveting, key connection or screw thread connect
It connects.It preferably welds, solder joint is evenly distributed in connecting plate 6, connection flange 51 (71) and reinforces flange 52 (53,54,72,73)
On.
The assembly method of threshold strengthening structure of the present invention is：Reinforce in threshold outside plate as shown in Figure 3 and threshold bottom
In the structural schematic diagram of plate, the connecting plate of threshold strengthening structure is welded on threshold bottom stiffener 4 first, in assembly threshold
During outside plate, remaining connection flange 51 (71) and reinforcement flange 52 (53,54,72,73) are welded respectively.
The threshold strengthening structure overlapping mode of the present invention is simple, and scene is easy to operate, is conducive to the welding and positioning of real vehicle.
A kind of threshold strengthening structure provided by the invention, is installed at the threshold bottom stiffener of vehicle, passes through connecting plate
Be fixedly connected with threshold bottom stiffener, by constituted with connecting plate " several " shape structure the first support plate and the second support plate with
Threshold outside plate is fixedly connected, and strengthens the structural strength in threshold and C-pillar region domain, reduces the intrusion volume of side impact threshold.Threshold is reinforced
Structure and the reinforcing plate of threshold bottom are attached, and are welded to connect with the upper surface of reinforcing plate and side, ensure C columns herein
Structural strength.
Therefore, a kind of threshold strengthening structure of the invention has the advantages that:
(1) overall construction intensity is high, and stability is good；
(2) side impact force can be effectively guided and disperse, anti-deformation and conquassation ability are strong, can greatly improve the side impact of automobile door sill
Performance；
(3) overlapping mode is simple, and scene is easy to operate, is conducive to the welding and positioning of real vehicle；
(4) simple in structure, easily manufactured, production cost is low.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or derive many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers other all these variations or modifications.
Claims (10)
1. a kind of threshold strengthening structure, which is characterized in that it is installed at the threshold bottom stiffener of vehicle, including：First support
Plate, connecting plate and the second support plate, wherein
The connecting plate is fixedly connected with the threshold bottom stiffener；First support plate is fixedly connected with the second support plate
" several " shape structure is constituted in the both sides of the connecting plate and with the connecting plate；First support plate and second support plate
Equipped with connection flange, the connection flange with the threshold outside plate of vehicle for being fixedly connected；First support plate and second
The edge of fagging is equipped with the reinforcement flange for being fixedly connected with the threshold outside plate or the threshold bottom stiffener.
2. threshold strengthening structure according to claim 1, which is characterized in that first support plate, connecting plate, second
Fagging, the connection flange and the reinforcement flange are an integral molding structure.
3. threshold strengthening structure according to claim 1, which is characterized in that the connecting plate is provided with the reinforcement bottom of protrusion
Slot forms cavity between the reinforcement kerve and the threshold bottom stiffener.
4. threshold strengthening structure according to claim 3, which is characterized in that the reinforcement kerve is equipped with crumple hole.
5. threshold strengthening structure according to claim 3 or 4, which is characterized in that the reinforcement kerve extends to described
One support plate and the second support plate form kerve extension.
6. threshold strengthening structure according to claim 5, which is characterized in that first support plate and the second support plate
Kerve extension is provided with crumple hole.
7. threshold strengthening structure according to claim 5, which is characterized in that first support plate has far from the bottom
First support plate extension board of slot extension；There is second support plate the second support plate far from the kerve extension to prolong
Stretch plate；The first support plate extension board and the second support plate extension board all have the shape of arc-shaped bending.
8. threshold strengthening structure according to claim 7, which is characterized in that the first support plate extension board and described
Two support plate extension boards are equipped with reinforcement flange, and the reinforcement flange connects with the threshold outside plate or the threshold bottom stiffener
It connects.
9. threshold strengthening structure according to claim 1, which is characterized in that first support plate and the second support plate are equal
It is provided with several reinforcing ribs.
10. threshold strengthening structure according to claim 1, which is characterized in that the connection flange and the threshold outside plate
Medial surface be fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810394363.6A CN108674494B (en) | 2018-04-27 | 2018-04-27 | Doorsill reinforcing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810394363.6A CN108674494B (en) | 2018-04-27 | 2018-04-27 | Doorsill reinforcing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108674494A true CN108674494A (en) | 2018-10-19 |
| CN108674494B CN108674494B (en) | 2020-03-31 |
Family
ID=63802654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810394363.6A Active CN108674494B (en) | 2018-04-27 | 2018-04-27 | Doorsill reinforcing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108674494B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040026343A (en) * | 2002-09-24 | 2004-03-31 | 현대자동차주식회사 | Reinforced Structure within Lower Part of Automobile Center Pillar |
| CN201694256U (en) * | 2010-05-18 | 2011-01-05 | 浙江吉利汽车研究院有限公司 | Automobile door sill reinforcing structure |
| CN201890273U (en) * | 2010-02-05 | 2011-07-06 | 重庆长安汽车股份有限公司 | Backing plate for outer plate of sedan doorsill |
| CN202358189U (en) * | 2011-09-23 | 2012-08-01 | 重庆长安汽车股份有限公司 | Automobile doorsill supporting plate |
| CN202390157U (en) * | 2011-11-30 | 2012-08-22 | 长城汽车股份有限公司 | Reinforcing device for lifting feet of motor vehicle |
| CN202827794U (en) * | 2012-09-12 | 2013-03-27 | 广州汽车集团股份有限公司 | Vehicle doorsill |
| CN202935449U (en) * | 2012-11-19 | 2013-05-15 | 北京汽车股份有限公司 | Automobile threshold collision supporting piece |
| CN104364142A (en) * | 2012-04-04 | 2015-02-18 | 标致·雪铁龙汽车公司 | Center pillar partition weakened in y axis direction and strengthened in z axis direction |
| CN205589332U (en) * | 2016-04-06 | 2016-09-21 | 北京汽车股份有限公司 | Support assembly , threshold reinforcing plate assembly and car are strengthened to threshold |
| CN205632671U (en) * | 2016-03-30 | 2016-10-12 | 浙江吉利控股集团有限公司 | Automotive doorsill reinforcing structure |
-
2018
- 2018-04-27 CN CN201810394363.6A patent/CN108674494B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040026343A (en) * | 2002-09-24 | 2004-03-31 | 현대자동차주식회사 | Reinforced Structure within Lower Part of Automobile Center Pillar |
| CN201890273U (en) * | 2010-02-05 | 2011-07-06 | 重庆长安汽车股份有限公司 | Backing plate for outer plate of sedan doorsill |
| CN201694256U (en) * | 2010-05-18 | 2011-01-05 | 浙江吉利汽车研究院有限公司 | Automobile door sill reinforcing structure |
| CN202358189U (en) * | 2011-09-23 | 2012-08-01 | 重庆长安汽车股份有限公司 | Automobile doorsill supporting plate |
| CN202390157U (en) * | 2011-11-30 | 2012-08-22 | 长城汽车股份有限公司 | Reinforcing device for lifting feet of motor vehicle |
| CN104364142A (en) * | 2012-04-04 | 2015-02-18 | 标致·雪铁龙汽车公司 | Center pillar partition weakened in y axis direction and strengthened in z axis direction |
| CN202827794U (en) * | 2012-09-12 | 2013-03-27 | 广州汽车集团股份有限公司 | Vehicle doorsill |
| CN202935449U (en) * | 2012-11-19 | 2013-05-15 | 北京汽车股份有限公司 | Automobile threshold collision supporting piece |
| CN205632671U (en) * | 2016-03-30 | 2016-10-12 | 浙江吉利控股集团有限公司 | Automotive doorsill reinforcing structure |
| CN205589332U (en) * | 2016-04-06 | 2016-09-21 | 北京汽车股份有限公司 | Support assembly , threshold reinforcing plate assembly and car are strengthened to threshold |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108674494B (en) | 2020-03-31 |
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