CN202508047U - Main air bag with improved mounting structure - Google Patents
Main air bag with improved mounting structure Download PDFInfo
- Publication number
- CN202508047U CN202508047U CN2012201159721U CN201220115972U CN202508047U CN 202508047 U CN202508047 U CN 202508047U CN 2012201159721 U CN2012201159721 U CN 2012201159721U CN 201220115972 U CN201220115972 U CN 201220115972U CN 202508047 U CN202508047 U CN 202508047U
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- Prior art keywords
- hole clipping
- hook
- mounting structure
- wall
- door closure
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- Withdrawn - After Issue
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Abstract
The utility model relates to the technical field of machines, in particular to a main air bag with an improved mounting structure. The main air bag comprises an air generator, a honking mechanism, a shell, an air pocket and a door cover, and is characterized in that tongue-shaped hooks which are bent outwards are arranged at the bottom of the edge of the shell; V-shaped ridge columns which are bulged towards the bottoms are arranged in middles of the backs of the hooks along the bending directions of the hooks; clamping holes which are in one-to-one correspondence to the hooks are formed in a wall body of the door cover and comprise door-shaped clamping holes and bottleneck-shaped clamping holes; support sheets are formed on the wall body on the inner side of the clamping holes; and V-shaped grooves which tally with the V-shaped ridge columns are formed on horizontal edges of the upper parts of the support sheets. Compared with the prior art, the main air bag with the improved mounting structure has the advantages that the shell and the door cover are convenient to install, displacement is avoided in the installation process, the support sheets are easy to reset, and manual adjustment processes are reduced in the assembly process.
Description
Technical field
The utility model relates to field of mechanical technique, specifically a kind of main gasbag that improves mounting structure.
Background technology
At present, most power actuated vehicles all are equipped with chief aviation pilot's air bag module, between chaufeur and bearing circle, provide the air bag that is filled with gas to reduce the human injury when its radical function is to provide loudspeaker to press function and collision happens aloud.
General air bag comprises door closure, housing, airbag, gas generator, press part such as mechanism aloud.Door closure and the more common connection mode of housing have rivet connection mode shown in Figure 1 in the main gasbag of chief aviation pilot's side at present, and wherein 6 is rivet; Or bolted connection; Or routine is linked up with modes such as connection.Rivet connects and bolted connection need increase extra Material Cost, and like rivet, and fitting process connects more lost time than hook.And in the conventional hook connection structure, do not have 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 buckle to be connected one by one with hook quite wastes time and energy, and is easy to install failure.The successful key of process that press-fits of this buckle is to press-fit in the process; Body of wall can be free to expansion all around; Body of wall drives hole clipping and moves laterally simultaneously in the process of expansion all around, the hook of supporting blade and metal shell exists opposite face poor, tendency that outwards moves of supporting blade existence; 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, show at design experiences for many years, soft material or structure usually above-mentioned press-fit have higher failure probability in the process, cause production efficiency low, yield rate is low, artificial rehabilitation cost is high.Failure mode is: the body of wall of door closure do as a whole simultaneously to around turn up and have difficulties, therefore the body of wall that causes door closure is needed badly improvement by the housing conquassation.
Summary of the invention
The purpose of the utility model is for overcoming the deficiency of prior art, improve a kind of housing of main gasbag and the buckle structure of door closure, and increases 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 assembly precision and main gasbag oad stability simultaneously, increase customer satisfaction degree.
For realizing above-mentioned purpose; Design a kind of main gasbag that improves mounting structure; 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, is provided with the V-arrangement backbone to bottom protrusion along the hook bending direction in the middle of the back side of said hook, is laid with on the body of wall of described door closure and the hook of ligulate hole clipping one to one; Described hole clipping adopts door shape hole clipping and bottleneck hole clipping; Described door shape hole clipping is employed in horizontal slotted hole two ends extends downward vertically respectively and establishes vertical core and form, described bottleneck hole clipping be employed in another horizontal slotted hole two ends respectively the outward inclining extension establish behind the inclined hole again two inclined hole bottoms respectively to extending below and establish upright opening and form up-narrow and down-wide bottleneck; The inboard wall part of hole clipping 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 each face 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 cooresponding 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 for closely cooperating or interference fit.
The limit that outward inclining is extended 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 of bottom equals to link up with between two ribs.
The bottom land of described slot is lower than the horizontal sides on supporting blade top.
The utility model is compared with prior art, and housing and door closure are easy for installation, in the process of installing, is difficult for producing displacement; Supporting blade resets easily, reduces artificial adjustment operation in the fitting process, reduces the occurrence frequency that press-fits inefficacy; Minimizing is done over again and part is scrapped; Increase productivity, improve assembly precision and main gasbag oad stability simultaneously, increase customer satisfaction degree.
Description of drawings
Fig. 1 is that original technological middle shell and door closure adopt rivet bonded assembly local structure scheme drawing.
Fig. 2 is the structural representation of the housing in the utility model.
Fig. 3 is the structural representation of door closure among the utility model embodiment 1.
Fig. 4 is not for establishing the structural representation of a kind of door closure of dowel among the utility model embodiment 2.
Fig. 5 is for being provided with the structural representation of the another kind of door closure of dowel among the utility model embodiment 2.
Fig. 6 is the partial enlarged drawing of A portion among Fig. 4.
Fig. 7 is the partial enlarged drawing of B portion among Fig. 4.
Fig. 8 is a structural representation of not establishing the door shape hole clipping of dowel in the utility model.
Fig. 9 does not establish the door shape hole clipping of dowel and the buckle scheme drawing of hook in the utility model.
Figure 10 is not for establishing the structural representation of the bottleneck hole clipping of dowel in the utility model.
Figure 11 does not establish the bottleneck hole clipping of dowel and the buckle scheme drawing of hook in the utility model.
Figure 12 is for being arranged with the door shape hole clipping structural representation of two dowels in the utility model.
Figure 13 is for being arranged with the structural representation of the bottleneck hole clipping of four dowels in the utility model.
Figure 14 is for being provided with the local structure scheme drawing of the body of wall of rib in the utility model in the guiding slot port both sides.
Figure 15 is the mounting structure scheme drawing of the utility model in embodiment 2.
Figure 16 is the perspective view of the main gasbag after assembling among the embodiment 2 in the utility model.
Figure 17 is the lateral plan of main gasbag among Figure 16.
Figure 18 is the perspective view at another visual angle of main gasbag among Figure 16.
The specific embodiment
Combine accompanying drawing that the utility model is done explanation further at present.
Embodiment 1
This example is the Comparative Examples of the utility model; Housing 2 edge bottom in this example are laid with the hook 21 of bandy ligulate; The hook of this ligulate has certain width; It is vertically outwardly-bent again after extending below by housing 2 outward flanges bottom, and K/UP forms 23 formations of flanging more at last.In the middle of the back side of this hook 21, be provided with V-arrangement backbone 22, referring to Fig. 2 to bottom protrusion along the hook bending direction.
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 is employed in horizontal slotted hole two ends and extends downward vertically respectively and establish vertical core and form; The inboard wall part that is surrounded of hole clipping 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 fixed effect 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 main gasbag 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 and does not move; Behind the guiding slot port 15 on the corresponding one by one door closure of hook 21 of housing, promote housing and do move toward one another, because the existence on the inclined-plane 16 of guiding slot port 15 and guiding slot port bottom to door closure; Can the hook of installing 21 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 putting in order the circle door closure to around strut.In the process of expansion all around, driving the door shape hole clipping 12 and the supporting blade 14 that are positioned on the body of wall at body of wall 11 together outwards struts.When housing 2 continued to press to door closure downwards, the baseplane of hook 21 will contact with the horizontal sides 123 on said supporting blade top, and supporting blade should progressively turn down laterally subsequently.Subsequently when the upper edge of the flanging 23 of said hook 21 is lower than the horizontal slotted hole of a shape hole clipping; Said 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, and housing reclaims under the driving of power at supporting blade simultaneously; Housing is done upward movement relatively, puts in place fully until hook 21 and hole clipping.
But, adopt door closure and housing after the above-mentioned improvement in press-fiting process, because the 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 do over again, perhaps apply the permanent deformation that very big 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 the extra manual work of needs to apply external force and could accomplish the inside gathering of supporting blade and reset; The 3rd is that housing is when moving downward; Though the guiding slot port of existing guiding usefulness; But when hook moves down into guiding slot port with door shape hole clipping position intermediate; Hook to still squinting to some extent, can cause the hook of housing can't pass a shape hole clipping in level when skew is excessive, and manual work that need be extra is adjusted or done over again; The 4th is can pass hole clipping smoothly for the hook that guarantees housing; The width that is positioned at the horizontal slotted hole on the shape hole clipping need be slightly larger than hook; Accomplishing the assembling aft hook can be at the hole clipping bias internal, thereby causes door closure and housing skew, and the oad of main gasbag is instability extremely.
The utility model is done following further 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; On each face wall body, have at least a guiding slot port 15 to be provided with the rib 161 as guiding rib, promptly elder generation establishes rib 161 respectively on body of wall 11 inwalls of the both sides on the inclined-plane 16 of guiding slot port 15, and 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 rib bottoms 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 get 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 confirm the installation site of hook and door closure, press down in the process at housing then; The flanging 23 of said hook 21 begins to contact with inclined-plane 16 under the guiding slot port 15; The effect of rib 161 is all arranged in hook 21 gets into the process of hole clippings, and great skew can not take place with hole clipping in hook 21, and the hook 21 of housing can't pass hole clipping and cause the extra manual work adjustment or the situation of doing over again when excessive thereby avoided squinting.
Referring to Fig. 7, Figure 10 and Figure 11; Hole clipping on the body of wall of door is improved again; At least one is set as the bottleneck hole clipping hole clipping on the body of wall; Described bottleneck hole clipping 13 be employed in another horizontal slotted hole two ends respectively outward inclining extend and to establish the hole that upright opening forms up-narrow and down-wide bottleneck to extending below 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 get into hole clipping easily, lift on supported again 14 upper lifting force that reclaims of the hook of housing then and get into 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 the deficiency of recovery power when reclaiming to supporting blade 14 in addition easily; Also can in the cooresponding hole clipping in the vertical edges place, both sides of at least one supporting blade 14 on every face wall body, establish dowel 122, supporting blade linked to each other with the peripheral body of wall of hole clipping through dowel.Referring to Figure 12, can in each cooresponding hole clipping in side vertical edges place of this supporting blade 14, establish a dowel 122 respectively, 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 outwards meeting of moving of body of wall drives supporting blades 14 through dowel 122 and outwards strut synchronously, avoids causing supporting blade 14 outwards not mobile synchronously owing to the door closure material is soft partially, and after hook 21 passes hole clipping; Dowel 122 provides extra screen resilience; Through the drive of dowel 122, will make supporting blade 14 oppositely get back to original position more easily, solved the shortcoming that supporting blade 14 can not reclaim fully better.According to the different needs of main gasbag specification, can on the basis of above-mentioned two dowels, increase by one group of dowel more in addition, promptly referring to Figure 13, dowel 122 increases to 4, to be applicable to the situation of more Dalian relay and screen resilience.Can further increase dowel by that analogy or reduce dowel, even if this dowel as the auxiliary recovery power of supporting blade can be fractureed in press-fiting process, installation that also can door produces great influence.
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, comprise door closure 1, housing 2, airbag 3, gas generator 4 in the utility model, press mechanism 5 etc. aloud, wherein adopt in the present embodiment door closure and housing that improves structure after; Go in the process of door closure press-fiting housing, the hook of housing is easy under the effect of guiding slot port 15 and rib 161, slip into hole clipping, and the flanging 23 of hook can outwards strut the body of wall of door closure; Make the relativity shift that takes place between hook and the hole clipping obtain revising; After housing continue to glide, the support edge 14 in hook 21 can surround hole clipping outwards strut, when the upper edge of the flanging 23 of hook 21 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, and gets back to original position, and 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 get into and accomplish assembling in another less horizontal slotted hole of width, until accomplishing like Figure 16～main gasbag 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 and the door closure after assembling and relativity shift, play can not take place, thereby improved the stability of assembly precision and main gasbag oad.
Claims (9)
1. main gasbag that improves mounting structure; 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) along the hook bending direction in the middle of the back side of said hook (21), be laid with and link up with hole clipping one to one on the body of wall of described door closure (1) to bottom protrusion; Described hole clipping adopts door shape hole clipping (12) and bottleneck hole clipping (13); Described door shape hole clipping (12) is employed in horizontal slotted hole two ends extends downward vertically respectively and establishes vertical core and form, described bottleneck hole clipping (13) be employed in another horizontal slotted hole two ends respectively the outward inclining extension establish behind the inclined hole again two inclined hole bottoms respectively to extending below and establish upright opening and form up-narrow and down-wide bottleneck; The inboard wall part of hole clipping 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).
2. a kind of main gasbag that improves mounting structure as claimed in claim 1; It is characterized in that: the guiding slot port (15) that is provided with 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).
3. a kind of main gasbag that improves mounting structure as claimed in claim 1; It is characterized in that: the body of wall (11) of described door closure (1) is made as quadrangle; Hole clipping on each face 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).
4. a kind of main gasbag that improves mounting structure as claimed in claim 1 is characterized in that: in the cooresponding 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).
5. a kind of main gasbag that improves mounting structure as claimed in claim 1 is characterized in that: another horizontal slotted hole of bottleneck hole clipping (13) wide, thick and hook (21) wide, thick in closely cooperating or interference fit.
6. a kind of main gasbag that improves mounting structure as claimed in claim 1 is characterized in that: the set inclined hole of outward inclining extension is straightsided shape or arc in the bottleneck hole clipping (13).
7. a kind of main gasbag that improves mounting structure as claimed in claim 2 is characterized in that: the width on described guiding slot port (15) top is more than or equal to the width of hook.
8. a kind of main gasbag that improves mounting structure as claimed in claim 2; 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.
9. a kind of main gasbag that improves mounting structure as claimed in claim 3 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 |
|---|---|---|---|
| CN2012201159721U CN202508047U (en) | 2012-03-23 | 2012-03-23 | Main air bag with improved mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201159721U CN202508047U (en) | 2012-03-23 | 2012-03-23 | Main air bag with improved mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202508047U true CN202508047U (en) | 2012-10-31 |
Family
ID=47060547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201159721U Withdrawn - After Issue CN202508047U (en) | 2012-03-23 | 2012-03-23 | Main air bag with improved mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202508047U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102602356A (en) * | 2012-03-23 | 2012-07-25 | 延锋百利得（上海）汽车安全***有限公司 | Gas bag assembly convenient for installation of housing and door cover |
| CN104340163A (en) * | 2013-07-29 | 2015-02-11 | 现代摩比斯株式会社 | Airbag door |
-
2012
- 2012-03-23 CN CN2012201159721U patent/CN202508047U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102602356A (en) * | 2012-03-23 | 2012-07-25 | 延锋百利得（上海）汽车安全***有限公司 | Gas bag assembly convenient for installation of housing and door cover |
| CN102602356B (en) * | 2012-03-23 | 2013-10-30 | 延锋百利得（上海）汽车安全***有限公司 | Gas bag assembly convenient for installation of housing and door cover |
| CN104340163A (en) * | 2013-07-29 | 2015-02-11 | 现代摩比斯株式会社 | Airbag door |
| CN104340163B (en) * | 2013-07-29 | 2017-06-13 | 现代摩比斯株式会社 | airbag door |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121031 Effective date of abandoning: 20131030 |
|
| RGAV | Abandon patent right to avoid regrant |