CN102602356B - Gas bag assembly convenient for installation of housing and door cover - Google Patents
Gas bag assembly convenient for installation of housing and door cover Download PDFInfo
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- CN102602356B CN102602356B CN 201210081382 CN201210081382A CN102602356B CN 102602356 B CN102602356 B CN 102602356B CN 201210081382 CN201210081382 CN 201210081382 CN 201210081382 A CN201210081382 A CN 201210081382A CN 102602356 B CN102602356 B CN 102602356B
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Abstract
The invention relates to the mechanical technical field, in particular to a gas bag assembly convenient for installation of a housing and a door cover. The gas bag assembly comprises a gas generator, a ring mechanism, the housing, a gas bag and the door cover. The gas bag assembly is characterized in that a tongue-shaped hook bending outwards is arranged at the bottom of the housing edge; a V-shaped spinal column protruding to the bottom is arranged in the middle of the back of the hook in a bending direction of the hook; clamping holes are door-shaped clamping holes and bottleneck-shaped clamping holes; the wall part on the inner side of the clamping hole forms a supporting piece; a V-shaped groove matched with the V-shaped spinal column is arranged on a horizontal edge on the upper part of the supporting piece; a U-shaped guide notch is arranged on an upper edge of the wall body of the door cover corresponding to each clamping hole; the bottom of the guide notch is an inclined surface in which the outer side is higher than the inner side; and a flange as a guide rib is arranged on the inner wall of the wall on two sides of the inclined surface of at least one guide notch. Compared with the prior art, the housing and the door cover are convenient to install and are not displaced during the installation; the supporting piece is easy to reset so as to reduce manual regulation process during the assembly.
Description
Technical field
The present invention relates to field of mechanical technique, specifically a kind of air bag of being convenient to housing and door closure installation.
Background technology
At present, most power actuated vehicles all are equipped with chief aviation pilot's air bag module, provide the air bag that is filled with gas to reduce the human injury when its radical function is to provide loudspeaker pressing sound function and collision happens between chaufeur and bearing circle.
The Generally Recognized as safe air bag comprises door closure, housing, airbag, gas generator, presses the parts such as mechanism aloud.The more common connection mode of door closure and housing has rivet connection mode shown in Figure 1 in chief aviation pilot's air bag at present, and wherein 6 is rivet; Or bolt connects; Or routine is linked up with the modes such as connection.Rivet connects with bolt and is connected the extra Material Cost of needs increase, and such as rivet, and fitting process is linked up with and connected more lost time.And in the conventional hook connecting connecting structure, there is no guiding or inhibiting device between door closure and the housing, and the hole clipping of laying on the body of wall of door closure has a lot, cooperate one by one buckle to be connected with hook quite wastes time and energy, is easy to install unsuccessfully.The key that press-fits the process success of this buckle is to press-fit in the process, body of wall can be freely to expansion all around, body of wall to around to drive hole clipping in the process of expansion mobile laterally simultaneously, the hook of supporting blade and metal shell exists opposite face poor, there is a tendency that outwards moves in supporting blade; Simultaneously, supporting blade needs can be to turning up, otherwise the hook of metal shell can't stretch out from the door closure hole clipping.But, showing that at design experiences for many years soft material or structure press-fit the higher failure probability of existences in the process above-mentioned usually, cause production efficiency low, yield rate is low, artificial rehabilitation cost height.Failure mode is: the body of wall of door closure do the as a whole while to around turn up and have difficulties, cause the body of wall of door closure by the housing conquassation, therefore need improvement badly.
Summary of the invention
The objective of the invention is for overcoming the deficiencies in the prior art, improve a kind of housing of safety air bag and the buckle structure of door closure, and increase guide piece, improve wall body structure, to reduce artificial adjustment operation in the fitting process, to reduce the occurrence frequency that press-fits inefficacy, minimizing is done over again and part is scrapped, and increases productivity, improve simultaneously assembly precision and air bag oad stability, increase customer satisfaction degree.
For achieving the above object, design a kind of air bag of being convenient to housing and door closure installation, comprise gas generator, press mechanism aloud, housing, airbag, door closure, it is characterized in that: described shell rim bottom is laid with the hook of bandy ligulate, be provided with V-arrangement backbone to bottom protrusion along the hook bending direction in the middle of the back side of described hook, be laid with on the body of wall of described door closure and link up with one to one hole clipping; Described hole clipping adopts door shape hole clipping and bottleneck hole clipping, described door shape hole clipping adopts at horizontal slotted hole two ends to extend downward vertically respectively again and establishes vertical core and form, and described bottleneck hole clipping is to adopt to tilt laterally respectively at another horizontal slotted hole two ends to establish upright opening to downward-extension respectively two inclined hole bottoms again after inclined hole is established in extension and form up-narrow and down-wide bottleneck; The wall part of hole clipping inboard forms supporting blade, and the horizontal sides on supporting blade top is provided with the V-shaped groove that agrees with the V-arrangement backbone; Be provided with the guiding slot port of U-shaped at the upper limb of the body of wall of the door closure at corresponding each hole clipping place, the bottom surface of described guiding slot port is high inboard low inclined-plane, the outside, is respectively equipped with the rib as guiding rib on the body of wall inwall of the both sides, inclined-plane of at least one guiding slot port.
The body of wall of described door closure is made as quadrangle, and the hole clipping on every one side of the body of wall of door closure has at least one to adopt the bottleneck hole clipping, in the corner of body of wall by the upper limb of body of wall to having slot.
In the corresponding hole clipping in vertical edges place, supporting blade both sides respectively from top to bottom at least level to being provided with a dowel.
Another horizontal slotted hole of bottleneck hole clipping wide, thick and hook wide, thick in closely cooperating or interference fit.
The limit that tilts to extend laterally set inclined hole in the bottleneck hole clipping is made as straightsided shape or arc.
The width on described guiding slot port top is more than or equal to the width of hook.
Spacing between two ribs of both sides, inclined-plane be wide at the top and narrow at the bottom or up and down width equate the width that the spacing between two rib bottoms equals to link up with.
The bottom land of described slot is lower than the horizontal sides on supporting blade top.
The present invention compares with prior art, housing and door closure are easy for installation, in the process of installing, be difficult for producing displacement, supporting blade resets easily, reduces the artificial operation of adjusting in the fitting process, reduces the occurrence frequency that press-fits inefficacy, reducing does over again scraps with part, increase productivity, improve simultaneously assembly precision and air bag oad stability, increase customer satisfaction degree.
Description of drawings
Fig. 1 is the local structure scheme drawing that original technology middle shell is connected with door closure employing rivet.
Fig. 2 is the structural representation of the housing among the present invention.
Fig. 3 is the structural representation of door closure in the embodiment of the invention 1.
Fig. 4 is the structural representation of not establishing a kind of door closure of dowel in the embodiment of the invention 2.
Fig. 5 is the structural representation that is provided with the another kind of door closure of dowel in the embodiment of the invention 2.
Fig. 6 is the partial enlarged drawing of A section among Fig. 4.
Fig. 7 is the partial enlarged drawing of B section among Fig. 4.
Fig. 8 is the structural representation of not establishing the door shape hole clipping of dowel among the present invention.
Fig. 9 does not establish the door shape hole clipping of dowel and the buckle scheme drawing of hook among the present invention.
Figure 10 is the structural representation of not establishing the bottleneck hole clipping of dowel among the present invention.
Figure 11 does not establish the bottleneck hole clipping of dowel and the buckle scheme drawing of hook among the present invention.
Figure 12 is the door shape hole clipping structural representation that is arranged with two dowels among the present invention.
Figure 13 is the structural representation that is arranged with the bottleneck hole clipping of four dowels among the present invention.
Figure 14 is the local structure scheme drawing that is provided with the body of wall of rib among the present invention in the guiding slot port both sides.
Figure 15 is the mounting structure scheme drawing of the present invention in embodiment 2.
Figure 16 is the perspective view of the air bag after assembling among the embodiment 2 among the present invention.
Figure 17 is the lateral plan of air bag among Figure 16.
Figure 18 is the perspective view at another visual angle of air bag among Figure 16.
The specific embodiment
Now by reference to the accompanying drawings the present invention is further described.
Embodiment 1
This example is Comparative Examples of the present invention, housing 2 edge bottom in this example are laid with the hook 21 of bandy ligulate, the hook of this ligulate has certain width, and it is vertically outwardly-bent again behind the downward-extension by housing 2 outward flanges bottoms, and K/UP forms flanging 23 and consists of again at last.Edge hook bending direction is provided with the V-arrangement backbone 22 to bottom protrusion in the middle of the back side of this hook 21, referring to Fig. 2.
Referring to Fig. 3, Fig. 6, Fig. 8 and Fig. 9, lay some hole clippings in this example on the body of wall 11 of door closure 1, hole clipping is corresponding one by one with hook; Described hole clipping adopts door shape hole clipping 12, described door shape hole clipping 12 adopts at horizontal slotted hole two ends more respectively downward vertically extension to establish vertical core and forms, the wall part that the hole clipping inboard surrounds forms supporting blade 14, the horizontal edge on supporting blade 14 tops is provided with the V-shaped groove 121 that agrees with hook V-arrangement backbone 22, thereby plays hook and the relative fixation of supporting blade in displacement; Upper limb at the body of wall 11 of the door closure at corresponding each hole clipping place is provided with guiding slot port 15, and the bottom surface of described guiding slot port 15 is high inboard low inclined-plane 16, the outside.
Adopt the housing of this structure and the air bag of door closure, originally desirable effect was in press-fiting production process: housing and door closure are done move toward one another, door closure is positioned on the fixing tool not mobile, with the hook 21 of housing one by one behind the guiding slot port 15 on the corresponding door closure, promote housing and do move toward one another to door closure, because the existence on the inclined-plane 16 of guiding slot port 15 and guiding slot port bottom, can the hook 21 of installing be play the guiding role, the hook on the move toward one another process middle shell can be progressively with the body of wall 11 of whole circle door closure to around strut.Body of wall 11 to around drive door shape hole clipping 12 and the supporting blade 14 be positioned on the body of wall in the process of expansion and together outwards strut.When housing 2 continued to press to door closure downwards, the baseplane of hook 21 will contact with the horizontal sides 123 on described supporting blade top, and supporting blade should progressively turn down laterally subsequently.Subsequently when the flanging 23 of described hook 21 go up the horizontal slotted hole that the edge is lower than a shape hole clipping most the time, described hook 21 will pass a shape hole clipping 12, remove this moment and be applied to the external force of pressing to door closure on the housing, the elastic force of supporting blade 14 self drives supporting blade and inwardly is recovered to original position, housing reclaims under the driving of power at supporting blade simultaneously, housing is done relatively upward movement, puts in place fully with hole clipping until link up with 21.
But, adopt door closure after the above-mentioned improvement and housing in press-fiting process, because door closure material softness, still come with some shortcomings, the firstth, the body of wall 11 of door closure can't drive supporting blade 14 fully and outwards turns down in press-fiting process, cause housing can't continue to press to door closure, so the hook 21 of housing can't pass hole clipping, need to do over again, perhaps apply the permanent deformation that very large downforce causes door closure and housing; The secondth, after hook passed hole clipping, because the screen resilience of supporting blade 14 is not enough, supporting blade 14 can't be got back to original position, and housing can't upward movement, caused additionally manually applying external force and just can finish the supporting blade inward collapsible and reset; The 3rd is that housing is when moving downward, although the guiding slot port of existing guiding usefulness, but during the position in the middle of hook moves down into guiding slot port and door shape hole clipping, hook level to or can be offset to some extent, when skew can cause the hook of housing can't pass a shape hole clipping when excessive, need extra artificial adjustment or do over again; The 4th is can pass smoothly hole clipping for the hook that guarantees housing, the width that is positioned at the horizontal slotted hole on the shape hole clipping need to be slightly larger than hook, finishing the assembling aft hook can be at the hole clipping bias internal, thereby causes door closure and housing skew, and the oad of air bag is extremely unstable.
The present invention does further following technological improvement again on the basis of the embodiment 1 of above-mentioned deficiency:
Referring to Fig. 4 and Figure 14, the body of wall 11 of this door closure 1 is made as quadrangle, have at least a guiding slot port 15 to be provided with rib 161 as guiding rib at each face wall body, namely elder generation establishes respectively rib 161 on body of wall 11 inwalls of the both sides on the inclined-plane 16 of guiding slot port 15, the bottom of rib 161 just in time is positioned at the upper limb of hole clipping, spacing between two ribs 161 of 16 both sides, inclined-plane is wide at the top and narrow at the bottom or width is consistent up and down, the width that the spacing between two ribs bottom equals to link up with.Like this in the process that press-fits housing 2, when the spacing of both sides rib is easy to enter between two ribs in the hook position of housing when being wide at the top and narrow at the bottom, add the width that the spacing of both sides ribs bottom equals to link up with, can conveniently determine the installation site of hook and door closure, then press down in the process at housing, the flanging 23 of described hook 21 begins to contact with inclined-plane 16 under the guiding slot port 15, enter the effect that rib 161 is arranged in the process of hole clipping until link up with 21, great skew can not occur with hole clipping in hook 21, and the hook 21 of housing can't pass hole clipping and cause extra artificial adjustment or the situation of doing over again when excessive thereby avoided being offset.
Referring to Fig. 7, Figure 10 and Figure 11, again the hole clipping on the body of wall of door closure is improved, at least one is set as the bottleneck hole clipping hole clipping on the body of wall, described bottleneck hole clipping 13 is to adopt to tilt to extend laterally respectively at another horizontal slotted hole two ends to establish the hole that upright opening forms up-narrow and down-wide bottleneck to downward-extension respectively two inclined hole bottoms again after establishing inclined hole, another horizontal slotted hole of bottleneck hole clipping 13 wide, thick and link up with 21 wide, thick in closely cooperating or interference fit.Like this after hook 21 outwards struts supporting blade 14, because the width of bottleneck hole clipping bottom is greater than the width of hook 21, and the width of door shape hole clipping also is designed to the width greater than hook, make hook enter easily hole clipping, then lift on the hook of the housing upper lifting force that supported 14 is reclaimed again and enter another narrower horizontal slotted hole position chucking of top, avoid assembling the horizontal displacement of rear housing.The inclined hole here is set as straightsided shape also can be set as arc.
Referring to Fig. 5, Figure 12 and Figure 13, cause easily the deficiency of recovery power when reclaiming for supporting blade 14 in addition, establish dowel 122 in the corresponding hole clipping in vertical edges place, both sides of at least one supporting blade 14 that also can be on every face wall body, by dowel supporting blade is linked to each other with the peripheral body of wall of hole clipping.Referring to Figure 12, can in each corresponding hole clipping in side vertical edges place of this supporting blade 14, establish respectively a dowel 122, dowel 122 forms with plastics materials, and less connection power and screen resilience can be provided.When the body of wall of door closure outwards moves in press-fiting process, because dowel 122 links to each other with supporting blade 14 and hole clipping periphery body of wall, the outside mobile of body of wall can outwards strut synchronously by dowel 122 drive supporting blades 14, avoid causing supporting blade 14 outwards not mobile synchronously owing to the door closure material is partially soft, and after hook 21 passes hole clipping, dowel 122 provides extra screen resilience, drive by dowel 122, to make the easier original position of oppositely getting back to of supporting blade 14, solve better the shortcoming that supporting blade 14 can not reclaim fully.According to the different needs of air bag specification, can increase one group of dowel on the basis of above-mentioned two dowels in addition, namely referring to Figure 13, dowel 122 increases to 4 again, to be applicable to the situation of more Dalian relay and screen resilience.Can further increase by that analogy dowel or reduce dowel, even if this dowel as the auxiliary recovery power of supporting blade can be fractureed, also can not produce on the installation of door closure great impact in press-fiting process.
In addition, in order to further facilitate the expansion of door closure, can establish slot 17 in the region of interest of door closure, the degree of depth of this slot 17 is generally the horizontal sides 123 that the bottom land that makes this slot is lower than supporting blade 14 tops and is as the criterion.If the body of wall of general door closure 1 adopts tetragonal words, can be in the corner of the body of wall of door closure by the upper limb of body of wall to dividing into slot 17, the hole clipping on each face wall body has at least one to adopt the bottleneck hole clipping simultaneously.The final door closure that includes guide groove, guiding rib, door shape hole clipping, bottleneck hole clipping, slot that forms in this sample example is referring to Fig. 5.
Referring to Figure 15, the present invention includes door closure 1, housing 2, airbag 3, gas generator 4, press mechanism's 5 parts such as grade aloud, after wherein adopting the door closure and housing that improves structure in the present embodiment, enter in the process of door closure press-fiting housing, the hook of housing is easy to slip into hole clipping under the effect of guiding slot port 15 and rib 161, the flanging 23 of hook can outwards strut the body of wall of door closure, make the relativity shift that occurs between hook and the hole clipping obtain revising, after housing continues to glide, support edge 14 in hook 21 can surround hole clipping outwards struts, when the upper edge of hook 21 flanging 23 is lower than topmost hole of hole clipping, owing to have at least a hole clipping to adopt the bottleneck hole clipping, the width of bottleneck hole clipping bottom is greater than the width of hook 21, and the width of door shape hole clipping also is designed to the width greater than hook, therefore, hook can very successfully pass hole clipping, avoids producing time-out and doing over again.Remove subsequently and be applied to the external force of pressing to door closure on the housing, the elastic force of supporting blade 14 self is added dowel 122 and is driven supporting blades and inwardly reclaim, get back to original position, housing 2 is under the driving of supporting blade 14 simultaneously, housing and door closure are done opposing liftoff motion, under the directional tagging of the inclined hole of bottleneck hole clipping, the hook of housing will enter in another less horizontal slotted hole of width and finish assembling, until finish such as Figure 16～air bag shown in Figure 180.Here since another horizontal slotted hole on bottleneck hole clipping top and hook for closely cooperating or interference fit, add cooperating of V-shaped groove 121 on V-arrangement backbone 22 and the supporting blade at the hook back side, make between housing after assembling and the door closure relativity shift, play not to occur, thereby improved the stability of assembly precision and air bag oad.
Claims (8)
1. be convenient to the air bag that housing and door closure are installed for one kind, comprise gas generator, press mechanism aloud, housing, airbag, door closure, it is characterized in that: described housing (2) edge bottom is laid with the hook (21) of bandy ligulate, be provided with V-arrangement backbone (22) to bottom protrusion along the hook bending direction in the middle of the back side of described hook (21), be laid with on the body of wall (11) of described door closure (1) and link up with one to one hole clipping; Described hole clipping adopts door shape hole clipping (12) and bottleneck hole clipping (13), described door shape hole clipping (12) adopts at horizontal slotted hole two ends to extend downward vertically respectively again and establishes vertical core and form, and described bottleneck hole clipping (13) is to adopt to tilt laterally respectively at another horizontal slotted hole two ends to establish upright opening to downward-extension respectively two inclined hole bottoms again after inclined hole is established in extension and form up-narrow and down-wide bottleneck; The wall part of hole clipping inboard forms supporting blade (14), and the horizontal sides (123) on supporting blade (14) top is provided with the V-shaped groove (121) that agrees with V-arrangement backbone (22); Be provided with the guiding slot port (15) of U-shaped at the upper limb of the body of wall (11) of the door closure at corresponding each hole clipping place, the bottom surface of described guiding slot port (15) is high inboard low inclined-plane (16), the outside, is respectively equipped with the rib (161) as guiding rib on body of wall (11) inwall of the both sides, inclined-plane (16) of at least one guiding slot port (15).
2. a kind of air bag that housing and door closure are installed of being convenient to as claimed in claim 1, it is characterized in that: the body of wall of described door closure (11) is made as quadrangle, hole clipping on every one side of the body of wall of door closure (11) has at least one to adopt bottleneck hole clipping (13), in the corner of body of wall by the upper limb of body of wall to having slot (17).
3. a kind of air bag that housing and door closure are installed of being convenient to as claimed in claim 1 is characterized in that: in the corresponding hole clipping in vertical edges place, supporting blade (14) both sides respectively from top to bottom at least level to being provided with a dowel (122).
4. a kind of air bag that housing and door closure are installed of being convenient to as claimed in claim 1 is characterized in that: another horizontal slotted hole of bottleneck hole clipping (13) wide, thick with link up with the wide, thick in closely cooperating or interference fit of (21).
5. a kind of air bag of being convenient to housing and door closure installation as claimed in claim 1 is characterized in that: tilt to extend laterally set inclined hole in the bottleneck hole clipping (13) and be made as straightsided shape or arc.
6. a kind of air bag that housing and door closure are installed of being convenient to as claimed in claim 1, it is characterized in that: the width on described guiding slot port (15) top is more than or equal to the width of hook.
7. a kind of air bag that housing and door closure are installed of being convenient to as claimed in claim 1, it is characterized in that: the spacing between two ribs (161) of both sides, inclined-plane (16) be wide at the top and narrow at the bottom or up and down width equate the width that the spacing between two rib bottoms equals to link up with.
8. a kind of air bag that housing and door closure are installed of being convenient to as claimed in claim 2, it is characterized in that: the bottom land of described slot (17) is lower than the horizontal sides (123) on supporting blade (14) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210081382 CN102602356B (en) | 2012-03-23 | 2012-03-23 | Gas bag assembly convenient for installation of housing and door cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210081382 CN102602356B (en) | 2012-03-23 | 2012-03-23 | Gas bag assembly convenient for installation of housing and door cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102602356A CN102602356A (en) | 2012-07-25 |
| CN102602356B true CN102602356B (en) | 2013-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210081382 Active CN102602356B (en) | 2012-03-23 | 2012-03-23 | Gas bag assembly convenient for installation of housing and door cover |
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| Country | Link |
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| CN (1) | CN102602356B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5577768A (en) * | 1993-04-28 | 1996-11-26 | Nippondenso Co., Ltd. | Air bag device having a minimized cone depth |
| CN1951731A (en) * | 2005-10-20 | 2007-04-25 | 德尔斐韩国株式会社 | Driver's airbag module assembly structure |
| CN101939193A (en) * | 2008-04-02 | 2011-01-05 | 奥托里夫Asp股份有限公司 | Improved cover to wheel attachment method for improved gap control |
| CN202508047U (en) * | 2012-03-23 | 2012-10-31 | 延锋百利得（上海）汽车安全系统有限公司 | Main air bag with improved mounting structure |
-
2012
- 2012-03-23 CN CN 201210081382 patent/CN102602356B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5577768A (en) * | 1993-04-28 | 1996-11-26 | Nippondenso Co., Ltd. | Air bag device having a minimized cone depth |
| CN1951731A (en) * | 2005-10-20 | 2007-04-25 | 德尔斐韩国株式会社 | Driver's airbag module assembly structure |
| CN101939193A (en) * | 2008-04-02 | 2011-01-05 | 奥托里夫Asp股份有限公司 | Improved cover to wheel attachment method for improved gap control |
| CN202508047U (en) * | 2012-03-23 | 2012-10-31 | 延锋百利得（上海）汽车安全系统有限公司 | Main air bag with improved mounting structure |
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| Publication number | Publication date |
|---|---|
| CN102602356A (en) | 2012-07-25 |
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Effective date of registration: 20200119 Address after: 201315 4th floor, building 11, No. 957, Kangqiao Road, Pudong New Area, Shanghai Co-patentee after: Shanghai Lingang Junsheng automobile safety system Co., Ltd Patentee after: Yanfeng Automobile Intelligent Safety System Co., Ltd. Address before: 201315 No. 426 Pu Pu Road, Cambridge Industrial Zone, Shanghai, Pudong New Area Patentee before: Yanfeng Bailide (Shanghai) Automobile Safety System Co., Ltd. |