CN107031558B - B-pillar protection device and automobile - Google Patents
B-pillar protection device and automobile Download PDFInfo
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- CN107031558B CN107031558B CN201710167182.5A CN201710167182A CN107031558B CN 107031558 B CN107031558 B CN 107031558B CN 201710167182 A CN201710167182 A CN 201710167182A CN 107031558 B CN107031558 B CN 107031558B
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- Prior art keywords
- pillar
- air bag
- buffer
- protection device
- panel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
- B60R21/213—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in vehicle roof frames or pillars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R2021/003—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks characterised by occupant or pedestian
- B60R2021/0039—Body parts of the occupant or pedestrian affected by the accident
- B60R2021/0044—Chest
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Abstract
The invention provides a B-pillar protection device and an automobile, wherein the B-pillar protection device is arranged at the splicing part of an upper inner decoration plate and a lower inner decoration plate of a B-pillar and comprises a buffer layer, a buffer air bag, an inflation air bag and a pressure valve, the buffer air bag is communicated with the inflation air bag filled with gas inside, the pressure valve is arranged between the buffer air bag and the inflation air bag, when the automobile collides from the side, the inflation air bag is extruded, and when the pressure reaches a preset threshold value, the pressure valve is conducted, the gas in the inflation air bag flows to the buffer air bag through the pressure valve, so that the buffer air bag is expanded and unfolded, and the protection area of the chest of a passenger is increased. The B-pillar protection device is usually arranged between the spliced part of the upper B-pillar interior trimming plate and the lower B-pillar interior trimming plate and the chest of a passenger, has quick response to a side collision accident, can be used for supplementing a side airbag, and avoids the condition that the side airbag is slow in response or cannot be ejected due to faults and cannot protect the chest of the passenger at the first time, thereby effectively protecting the safety of the passenger.
Description
Technical Field
The invention relates to the technical field of automobile parts, in particular to a B-pillar protection device and an automobile.
Background
With the increasing automobile holding capacity, automobile traffic accidents are also happening continuously, and according to statistics of traffic bureaus, in the traffic accidents, damage caused by collision is the first place. Among them, the B-pillar interior panel occupies a large proportion of the damage to the occupant. Particularly, the traditional B-pillar interior trim panel of the automobile is divided into an upper interior trim panel and a lower interior trim panel, and the splicing positions of the upper interior trim panel and the lower interior trim panel are connected through bolts, so that the hardness of the splicing positions is higher, and when the automobile is collided laterally, ribs of passengers directly touch the splicing positions of the upper interior trim panel and the lower interior trim panel, and the ribs are easily damaged.
In the prior art, a lateral airbag is usually installed in an automobile and arranged on a seat frame or inside a B column, and in the process of lateral collision, the lateral airbag usually has slow response or can not be popped up due to failure caused by collision, so that the condition that the chest of a passenger is damaged at the splicing position of an upper interior trim panel and a lower interior trim panel cannot be avoided at the first time, and the safety of the passenger cannot be effectively protected.
Disclosure of Invention
The invention provides a B-pillar protection device and an automobile, which are used for effectively protecting the chest of a passenger and reducing the damage of the spliced part of an upper inner plaque and a lower inner plaque of an automobile B-pillar to the passenger in the side collision process.
One aspect of the present invention provides a B-pillar protection device disposed at a junction of an upper B-pillar interior panel and a lower B-pillar interior panel, the B-pillar protection device including:
the buffer layer is fixedly arranged at the splicing position of the B-column upper interior trimming panel and the B-column lower interior trimming panel;
the buffer air bag is fixedly connected with the buffer layer, an air hole is formed in one side, away from the buffer layer, of the buffer air bag, the air hole is communicated with an inflatable air bag filled with gas, a pressure valve is arranged at the air hole, and when the inflatable air bag is extruded and the pressure reaches a preset threshold value, the pressure valve is conducted, so that the gas in the inflatable air bag flows to the buffer air bag through the pressure valve, and the buffer air bag is expanded and unfolded.
Further, the buffer layer is made of buffer foam plastic.
Further, the thickness of the buffer foam plastic is 2-5mm, and the foam multiplying power is 200-300.
Further, the B-pillar protection device also comprises,
the adhesive layer is used for fixing the buffer layer at the splicing position of the B-pillar upper interior trimming panel and the B-pillar lower interior trimming panel, the first surface of the adhesive layer is attached to the splicing position of the B-pillar upper interior trimming panel and the B-pillar lower interior trimming panel, and the second surface of the adhesive layer is attached to the buffer layer.
Furthermore, the bonding layer is made of plastic materials, and adhesives are arranged on the first surface of the bonding layer and the second surface of the bonding layer.
Further, the thickness of the bonding layer is 1-2 mm.
Further, the inflatable air bag is a circular air bag, and the interior of the inflatable air bag is filled with air.
Furthermore, the buffer layer is rectangular, the buffer air bag is a rectangular air bag, and the area of the buffer air bag is smaller than or equal to that of the buffer layer.
Further, the air holes are circular holes.
Another aspect of the present invention provides an automobile comprising the B-pillar protection device as claimed in claims 1 to 9, and a B-pillar upper trim panel and a B-pillar lower trim panel that are spliced together, wherein the B-pillar protection device is disposed at a spliced position of the B-pillar upper trim panel and the B-pillar lower trim panel.
The B-pillar protection device is arranged at the splicing position of an upper inner decoration plate and a lower inner decoration plate of the B-pillar, is communicated with an inflatable air bag filled with gas through a buffer air bag, and is provided with a pressure valve between the buffer air bag and the inflatable air bag. The B-pillar protection device is usually arranged between the spliced part of the upper inner decoration plate and the lower inner decoration plate of the B-pillar and the chest of a passenger, has quick response to the lateral collision accident of an automobile, can be used for supplementing a lateral air bag, and avoids the situation that the lateral air bag has slow response or cannot be popped up due to the fault caused by collision, cannot avoid the damage of the spliced part of the upper inner decoration plate and the lower inner decoration plate to the chest of the passenger in the first time, thereby more effectively protecting the safety of the passenger.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic view of a junction between an upper B-pillar interior panel and a lower B-pillar interior panel of a B-pillar protection device according to an embodiment of the present invention;
fig. 2 is an exploded view of the B-pillar protective device shown in fig. 1.
Detailed Description
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
In the description of the present application, it is to be understood that the terms "center", "width", "thickness", "upper", "lower", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be taken as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Fig. 1 is a schematic view of a B-pillar protection device installed at a junction between an upper interior panel and a lower interior panel of a B-pillar according to an embodiment of the present invention; fig. 2 is an exploded view of the B-pillar protective device shown in fig. 1. As shown in fig. 1 and fig. 2, the present embodiment provides a B-pillar protection device disposed at a junction 630 between an upper B-pillar trim panel 610 and a lower B-pillar trim panel 620, and the B-pillar protection device includes: a cushion layer 100, a cushion bag 200, an inflatable bag 400 and a pressure valve 300.
The buffer layer 100 is fixedly arranged at the splicing part 630 of the B-pillar upper interior trim panel and the B-pillar lower interior trim panel; the buffer airbag 200 is fixedly connected with the buffer layer 100, one side of the buffer airbag 200, which is far away from the buffer layer 100, is provided with an air hole 210, the air hole 210 is communicated with an inflatable airbag 400, which is filled with gas, the air hole 210 is provided with a pressure valve 300, when the inflatable airbag 400 is extruded, and the pressure reaches a preset threshold value, the pressure valve 300 is conducted, so that the gas in the inflatable airbag 400 flows to the buffer airbag 200 through the pressure valve 300, and the buffer airbag 200 is expanded and unfolded.
In this embodiment, the buffer layer 100 is disposed between the airbag 200 and the joint 630 between the upper B-pillar interior panel and the lower B-pillar interior panel, and plays a role in buffering, because the joint 630 between the upper B-pillar interior panel 610 and the lower B-pillar interior panel 620 is connected by bolts, the hardness is high, the buffer layer 100 can prevent the joint 630 from directly contacting the airbag 200, which damages the airbag 200, and can play a role in buffering when a side collision occurs in the vehicle. The cushioning layer 100 may be made of cushioning foam, sponge, fabric, or the like. In this embodiment, the buffer layer 100 is made of a buffer foam, the thickness of the buffer foam is 2-5mm, the foam magnification is 200-300, the buffer effect is good, and the thickness is thin, so that the aesthetic degree of the interior trim panel is not affected. In this embodiment, the buffer layer 100 may be rectangular, the airbag 200 may be rectangular, the area of the airbag 200 is smaller than or equal to the area of the buffer layer 100, the buffer layer 100 and the airbag 200 have better matching performance, and when the airbag 200 is deployed, the airbag 200 may be prevented from directly contacting the joint 630 between the upper B-pillar trim panel and the lower B-pillar trim panel.
The airbag 200 is fixed on the cushioning layer 100, an air hole 210 is opened on a side of the airbag 200 away from the cushioning layer 100, the air hole 210 is communicated with an inflatable airbag 400 filled with gas, and a pressure valve 300 is arranged at the air hole 210. Under the normal condition, gas is filled in the air bag 400, and the air bag 200 does not fill gas, when the automobile side collision happens, passenger's chest and the contact of air bag 400, the air bag 400 is inflated in the extrusion, thereby exert pressure for air bag 400, make the internal gas pressure of air bag 400 increase, when pressure reaches the predetermined threshold value, pressure valve 300 switches on, the internal gas of air bag 400 flows to air bag 200 through pressure valve 300, make air bag 200 inflation expansion, the protection area to passenger's chest has been increased, thereby play the passenger guard action. In this embodiment, the inflatable bag 400 may be a circular bag, and the interior thereof is filled with air. Although other gases may be filled.
In this embodiment, the air hole 210 of the airbag 200 is a circular hole, which is convenient for connection with the pressure valve 300 and the inflatable airbag 400, and ensures good sealing performance and is not easy to leak air.
The B-pillar protection device provided by the embodiment is characterized in that a splicing part 630 of an upper B-pillar trim panel 610 and a lower B-pillar trim panel 620 is communicated with an inflatable airbag 400 filled with gas through a buffer airbag 200, and a pressure valve 300 is arranged between the buffer airbag 200 and the inflatable airbag 400, when a side collision occurs to an automobile, the inflatable airbag 400 is extruded, and when the pressure reaches a preset threshold value, the pressure valve 300 is conducted, gas in the inflatable airbag 400 flows to the buffer airbag 200 through the pressure valve 300, so that the buffer airbag 200 is expanded and unfolded, the protection area of the chest of a passenger is increased, the passenger is protected, the buffer layer 100 buffers the impact transmitted from the splicing part 630 of the upper B-pillar trim panel and the lower B-pillar trim panel to the buffer airbag 200, and the direct damage of the buffer airbag 200 can be prevented. The B-pillar protection device of the embodiment is usually arranged between the splicing part 630 of the upper interior trimming panel and the lower interior trimming panel of the B-pillar and the chest of a passenger, and can react rapidly to the automobile side collision accident, and can be used as the supplement of a side airbag, so that the side airbag is prevented from responding slowly generally, or cannot be popped up due to the fact that collision causes faults, the condition that the splicing part 630 of the upper interior trimming panel and the lower interior trimming panel cannot damage the chest of the passenger in the first time is avoided, and the safety of the passenger is protected more effectively.
Further, the B-pillar protective device may further include an adhesive layer 500 for fixing the buffer layer 100 to a joint 630 between the B-pillar upper interior panel 610 and the B-pillar lower interior panel 620, where a first surface of the adhesive layer 500 is attached to the joint 630 between the B-pillar upper interior panel 610 and the B-pillar lower interior panel 620, and a second surface of the adhesive layer 500 is attached to the buffer layer 100.
In this embodiment, the adhesive layer 500 is used to fixedly connect the splicing part 630 of the B-pillar upper interior trim panel 610 and the B-pillar lower interior trim panel 620 to the buffer layer 100, the first surface of the adhesive layer 500 is attached to the splicing part 630 of the B-pillar upper interior trim panel 610 and the B-pillar lower interior trim panel 620, and the second surface of the adhesive layer 500 is attached to the buffer layer 100, so that the buffer layer 100 is more firmly fixed. In this embodiment, the thickness of the adhesive layer 500 may be 1-2 mm. The adhesive layer 500 may be a plastic material, and the first surface of the adhesive layer 500 and the second surface of the adhesive layer 500 are provided with an adhesive, but the adhesive layer 500 may also be formed by a layer of adhesive. The buffer layer 100 of the present invention is not limited to be fixed to the joint 630 between the upper B-pillar trim panel 610 and the lower B-pillar trim panel 620 by the adhesive layer 500, and other structures that can achieve fixed connection may be used.
Another embodiment of the present invention provides an automobile, including the B-pillar protection device according to the above embodiment, and a B-pillar upper interior trim panel and a B-pillar lower interior trim panel that are spliced together, where the B-pillar protection device is disposed at a splicing position of the B-pillar upper interior trim panel and the B-pillar lower interior trim panel.
The automobile provided by the embodiment, the splicing position of the inner decoration plate on the B column and the inner decoration plate under the B column is provided with the B column protection device, the B column protection device is communicated with an inflatable air bag filled with gas through a buffer air bag, and a pressure valve is arranged between the buffer air bag and the inflatable air bag. The B-pillar protection device is usually arranged between the splicing position of the upper interior trimming plate and the lower interior trimming plate of the B-pillar and the chest of a passenger, and can quickly react to the lateral collision accident of an automobile, and can be used as a supplement of a lateral air bag, so that the situation that the lateral air bag is slow in response generally or cannot be popped up due to the fact that the lateral air bag is collided to cause a fault, and the situation that the splicing position of the upper interior trimming plate and the lower interior trimming plate cannot damage the chest of the passenger at the first time can not be avoided, and.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. The utility model provides a B post protection device which characterized in that sets up in interior plaque and the concatenation department of interior plaque under the B post on the B post, B post protection device includes:
the buffer layer is fixedly arranged at the splicing position of the B-column upper interior trimming panel and the B-column lower interior trimming panel;
the buffer air bag is fixedly connected with the buffer layer, one side, away from the buffer layer, of the buffer air bag is provided with an air hole, the air hole is communicated with an inflatable air bag filled with gas, a pressure valve is arranged at the air hole, and when the inflatable air bag is extruded and the pressure reaches a preset threshold value, the pressure valve is conducted, so that the gas in the inflatable air bag flows to the buffer air bag through the pressure valve, and the buffer air bag is expanded;
the adhesive layer is used for fixing the buffer layer at the splicing position of the B-column upper interior trimming panel and the B-column lower interior trimming panel, the first surface of the adhesive layer is attached to the splicing position of the B-column upper interior trimming panel and the B-column lower interior trimming panel, and the second surface of the adhesive layer is attached to the buffer layer.
2. The B-pillar protective device according to claim 1, wherein the cushioning layer is a cushioning foam.
3. The B-pillar protective device according to claim 2, wherein the thickness of the buffer foam is 2-5mm, and the foam magnification is 200-300.
4. The B-pillar protective device according to claim 1, wherein the adhesive layer is a plastic material, and the first surface of the adhesive layer and the second surface of the adhesive layer are provided with an adhesive.
5. The B-pillar protective device according to claim 1, wherein the adhesive layer has a thickness of 1-2 mm.
6. The B-pillar protective device according to any one of claim 1, wherein the inflatable air bag is a circular air bag, and an interior thereof is filled with air.
7. The B-pillar protective device according to claim 1,
the buffer layer is rectangular, the buffer air bag is rectangular, and the area of the buffer air bag is smaller than or equal to that of the buffer layer.
8. The B-pillar protective device according to claim 1, wherein the air hole is a circular hole.
9. An automobile, comprising the B-pillar protection device according to any one of claims 1 to 8, and a B-pillar upper interior trim panel and a B-pillar lower interior trim panel which are spliced with each other, wherein the B-pillar protection device is arranged at the spliced position of the B-pillar upper interior trim panel and the B-pillar lower interior trim panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710167182.5A CN107031558B (en) | 2017-03-20 | 2017-03-20 | B-pillar protection device and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710167182.5A CN107031558B (en) | 2017-03-20 | 2017-03-20 | B-pillar protection device and automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107031558A CN107031558A (en) | 2017-08-11 |
| CN107031558B true CN107031558B (en) | 2020-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201710167182.5A Active CN107031558B (en) | 2017-03-20 | 2017-03-20 | B-pillar protection device and automobile |
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| Country | Link |
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| CN (1) | CN107031558B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112389362B (en) * | 2020-11-19 | 2021-12-17 | 东风(武汉)实业有限公司 | Reinforcing structure for automobile B column and mounting method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102774338A (en) * | 2012-07-25 | 2012-11-14 | 陈钢 | Safety airbag of automobile |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITVI20060253A1 (en) * | 2006-08-09 | 2008-02-10 | Selle Royal | SHOCK ABSORBER DEVICE FOR SEATING STRUCTURES AND SEATING STRUCTURE INCLUDING THIS DEVICE. |
| CN102085839A (en) * | 2009-12-03 | 2011-06-08 | 东风襄樊旅行车有限公司 | Car crash pneumatic energy-absorbing device |
| CN201646871U (en) * | 2010-03-19 | 2010-11-24 | 浙江吉利汽车研究院有限公司 | Automobile center pillar |
| CN202481022U (en) * | 2012-01-29 | 2012-10-10 | 张华祥 | Vehicle bumper |
| CN204184306U (en) * | 2014-09-30 | 2015-03-04 | 浙江吉利控股集团有限公司 | A kind of side airbag of automobile structure |
| CN104760552A (en) * | 2015-04-02 | 2015-07-08 | 南京理工大学 | Automobile crash buffer device |
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2017
- 2017-03-20 CN CN201710167182.5A patent/CN107031558B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102774338A (en) * | 2012-07-25 | 2012-11-14 | 陈钢 | Safety airbag of automobile |
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| CN107031558A (en) | 2017-08-11 |
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