CN107054275A - A kind of main driving airbag module - Google Patents
A kind of main driving airbag module Download PDFInfo
- Publication number
- CN107054275A CN107054275A CN201710079585.4A CN201710079585A CN107054275A CN 107054275 A CN107054275 A CN 107054275A CN 201710079585 A CN201710079585 A CN 201710079585A CN 107054275 A CN107054275 A CN 107054275A
- Authority
- CN
- China
- Prior art keywords
- generator
- airbag module
- main driving
- annular
- clamping
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- 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
- 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
- B60R21/203—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in steering wheels or steering columns
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
Abstract
The present invention provides a kind of main driving airbag module, it is fixed on frame of handwheel, including generator base and gas generator, the gas generator is fixed on the generator base by direct be engaged by clamping with the generator base, or is fixed on by a lock plate for covering the gas generator and generator base clamping engagement on the generator base.The main driving airbag module of the present invention has that easy to assembly, man-hour is short, lightweight, low cost and other advantages.
Description
Technical field
The present invention relates to safe automobile air bag field, more particularly to a kind of main driving airbag module.
Background technology
Main driving airbag module mainly includes gas generator and generator base, and its function is when vehicle is touched
When hitting accident, it is to avoid with automobile interiors fierce collision occurs for driver, mitigates the extent of injury to driver.Main driving is pacified
Full air bag assembly plays an important role as the standard configuration in automobile safety system in the safety of protection driver.
Inside existing main driving airbag module, gas generator is generally fixed on generation by the way of screw and nut coordinate
On device base, assemble more complicated and it is necessary to which nut process and station are set, so as to influence productive temp, man-hour compared with
It is long, it is unfavorable for loss of weight, cost is also higher.
The content of the invention
For above-mentioned the deficiencies in the prior art, the present invention provides a kind of improved main driving airbag module, and it has
Easy to assembly, man-hour is short, lightweight, low cost and other advantages.
To achieve these goals, the present invention is adopted the following technical scheme that：
A kind of main driving airbag module, it is fixed on frame of handwheel, including generator base and gas
Generator, the gas generator is fixed on the generator base by direct be engaged by clamping with the generator base,
Or the generator is fixed on by a lock plate for covering the gas generator and generator base clamping engagement
On base.
Preferably, the generator base and the frame of handwheel by correspond be engaged by clamping U-shaped jump ring and
Snap fit, which is realized, to be fixed.
Further, the generator base includes annular bottom plate, and the annular bottom plate is provided with one around its inner circumference
The annular wall coordinated to extension and with the flange shape of the gas generator.
Further, when the generator base is directly engaged by clamping with the gas generator, the annular wall
Inner surface be provided with some protrusion claws extended radially inward, the flange of the gas generator provided with it is some with it is described convex
Go out the one-to-one axial socket of claw；Also, the annular bottom plate on the inside of the annular wall is provided with cantilevered snap fit, described
The flange of gas generator is provided with the snap fit hole being engaged by clamping with the cantilevered snap fit.
Preferably, the annular outer cover of the annular wall circumferentially extending is provided around on the annular bottom plate.
Further, when the generator base and the lock plate are engaged by clamping, the outer rim of the lock plate is provided with
Some locking claws extended downwardly, the annular bottom plate of the generator base is provided with some a pair with the locking claw 1
The claw hole that should be engaged by clamping.
Further, the inner side hole wall in the claw hole is provided with the locking projection extended radially outwards, the locking card
The bottom of pawl is provided with the jack being engaged by clamping with locking projection.
Preferably, the annular bottom plate on the inside of the annular wall is provided with the mistake proofing projection extended axially upward, the lock
The mistake proofing hole with the mistake proofing male cooperation is only respectively equipped with the flange of disk and the body generator.
Further, the annular bottom plate is upwardly extended and bent inwards provided with the outside hole wall from the claw hole
Ratchet, the outer rim of the locking claw is provided with the ratchet with the click-fit.
Further, the bottom of the locking claw is provided with the buckle outwards turned down.
By using above-mentioned technical proposal, the present invention has the advantages that compared with prior art：
Gas generator is directly fixed on generator base in the present invention, or by with generator base clamping
Lock plate be fixed on generator base, without using screw and nut, conventional nut process can be saved,
Being connected between gas generator and generator base can be quickly and easily completed, is made keeping gas generator to fix
With while, with assembling it is simple, be simple to manufacture, low cost and other advantages.
Brief description of the drawings
Fig. 1 is the scheme of installation of main driving airbag module of the present invention and frame of handwheel；
Fig. 2 is the dimensional structure diagram of main driving airbag module of the present invention；
Fig. 2A is the structural representation of upper shell in Fig. 2；
Fig. 2 B are the structural representation of lower house in Fig. 2；
Fig. 3 is the exploded view of one embodiment of main driving airbag module of the present invention；
Fig. 4 is the exploded view of second embodiment of main driving airbag module of the present invention；
Fig. 5 is the exploded view of the 3rd embodiment of main driving airbag module of the present invention；
Fig. 6 is the local overlooking enlarged drawing of main driving airbag module in Fig. 5.
Embodiment
Below in conjunction with the accompanying drawings, presently preferred embodiments of the present invention is provided, and is described in detail, makes to be better understood when this hair
Bright function, feature, wherein structure similar in be the same as Example is not marked using same numbers, and with " ' " and " " " progress area
Point..
As shown in figs. 1 to 6, main driving airbag module of the invention is fixed on frame of handwheel 3, including position
Gas generator 1,1 ' or 1 " and generator base 2,2 ' or 2 " (see Fig. 3-5) in upper shell 5 and lower house 6.Wherein, send out
The bottom surface of life device base 2,2 ' or 2 " is provided with two symmetrically arranged snap fits 21 (hole of the snap fit 21 from lower house is extended downwardly from),
Correspondingly, frame of handwheel 3 is provided with two U-shaped card springs 31, and generator base 2,2 ', 2 " passes through snap fit 21 and U-shaped card spring 31
One-to-one corresponding be engaged by clamping be assemblied on frame of handwheel 3, it is simple in construction, it is quick detachable.
Fig. 3 shows one embodiment of airbag module of the present invention, as shown in figure 3, generator base 2 includes a ring
Shape bottom plate 22, annular wall 24 of the annular bottom plate 22 provided with one with the flange shape cooperation of gas generator 1, annular is stood
The periphery of wall 24 is around an annular outer cover 23.Wherein, annular wall 24 circumferentially extends around the inner ring of annular bottom plate 22, i.e. annular
The annular diameters of bottom plate 22 are less than the diameter of annular wall 24；Meanwhile, it has been evenly arranged on the inner surface of annular wall 24 some
The protrusion claw 26 that (three are shown as in Fig. 3) extends radially inward, the flange of gas generator 1 (shows provided with some in Fig. 3
Go out for three) with protrusion claw 26 the axial socket 11 of clamping is corresponded to realize error-disable function, and protrusion claw 26 and axle
To the form fit of socket 11, such as triangle pair answers triangle, and trapezoidal correspondence is trapezoidal；In addition, the annular of the annular inner side of wall 24
A cantilevered snap fit 27 is provided with bottom plate 22, the flange of gas generator 1 is engaged by clamping provided with one with cantilevered snap fit 27
Long Circle snap fit hole 12.
Axial socket 11 on gas generator 1 is directed at correspondence on generator base 2 by the present embodiment first in assembling
Protrusion claw 26, i.e. gas generator 1 is properly placed in generator base 2；Gas generator 1 is then pressed into, is now sent out
The hook-shaped extension of cantilevered snap fit 27 on raw device base 2 will be pressed downward out, and claw 26 to be protruded passes through axial direction completely
Make axially (being axially perpendicular to the direction of the annular bottom plate 22 of the generator base 2) rotation of gas generator 1 after socket 11, work as cantilever
When the hook-shaped extension of formula snap fit 27 reaches the snap fit hole 12 on gas generator 1, cantilevered snap fit 27 is scratched due to itself
Bent deformation characteristic, by by resiliently returning to original shape, hook-shaped extension will be slipped into snap fit hole 12 automatically, so that
Gas generator 1 and generator base 2 realize locking.This example provides a kind of reliable rapidly gas generator fixation side
Formula, can intuitively show whether gas generator 1 correctly connects and lock.
Fig. 4 shows second embodiment of airbag module of the present invention, and wherein generator base 2 equally includes annular
Bottom plate 22 ', annular bottom plate 22 ' is above again provided with annular wall 24 ', is to eliminate with the difference of one embodiment
Annular outer cover 23 ' in one embodiment, and generator base 2 ' and it is indirect be engaged by clamping with gas generator 1, but
It is engaged by clamping with a lock plate 4 ' for covering gas generator 1 '.Specifically, the present embodiment is additionally arranged the lock plate of an annular
4 ', the outer rim of lock plate 4 ' is evenly arranged the locking claw 41 ' that some (three are shown as in Fig. 4) extend downwardly, generator
The annular bottom plate 22 ' of base 2 ' corresponds what is be engaged by clamping provided with some (being shown as three in Fig. 4) with locking claw 41 '
Claw hole 26 '.In the present embodiment, claw hole 26 ' is opened up against the outer surface of annular wall 24 ', the inboard aperture in claw hole 26 '
Wall is provided with the square locking projection 27 ' extended radially outwards, and the bottom of locking claw 41 ' is provided with and the card of locking projection 27 '
Connect the square jack 42 ' of cooperation.In addition, to be above additionally provided with the mistake proofing upwardly extended convex for the annular bottom plate 22 ' of the annular inner side of wall 24 '
28 ' are played, gas generator 1 ' and lock plate 4 ' are provided with the mistake proofing hole 13 ', 43 ' overlappingly coordinated with mistake proofing projection 28 ',.
Gas generator 1 ' is properly placed the annular wall 24 ' of generator base 2 ' by the present embodiment first in assembling
In (anti-on gas generator 1 ' arrange the mistake proofing projection 28 ' that hole 13 ' is aligned on annular bottom plate 22 ')；Then covered with lock plate 4 '
Firmly gas generator 1 ' (anti-on lock plate 4 ' arrange the mistake proofing projection 28 ' that hole 43 ' is aligned on annular bottom plate 22 '), and by locking
The upper corresponding claw hole 26 ' of the alignment generator of locking claw 41 ' base 2 ' on disk 4 ' is inserted, and locking claw 41 ' is due to elasticity
Deformation can be directly pushed into claw hole 26 '；At the end of the stroke of lock plate 4 ', locking projection 27 ' will insert locking claw
In the jack 42 ' of 41 ' bottoms, the installation for completing gas generator 1 ' is fixed.
It is " same to wrap that Fig. 5 and Fig. 6 show the 3rd embodiment of airbag module of the present invention, wherein generator base 2
Include annular bottom plate 22 ", annular bottom plate 22 " on be again provided with annular wall 24 ", be with second different part of embodiment
The connected mode of locking claw 41 " from claw hole 26 " is different.Specifically, jack is not opened up on locking claw 41 " but the bottom of at
End is provided with the buckle 42 outwards turned down "；Meanwhile, locking claw 41 " outer rim be provided with the ratchet 43 that stretches out " (can be
Class triangle or class are trapezoidal etc.), generator base 2 " annular bottom plate 22 " is provided with from claw hole 26 " outside hole wall it is upward
The ratchet 27 that extends and bend inwards ".It should be understood that can also set identical with second embodiment on the basis of this example
Anti-error structure, i.e., the mistake proofing projection upwardly extended above is set in annular wall 24 annular bottom plate 22 of " inner side ", sent out in gas
The upper mistake proofing hole set with mistake proofing male cooperation of raw device 1 ", thus gas generator 1 " cannot rotation, mistake proofing is raised straight
Connect positioning generator 1 ".
The present embodiment is in assembling, first by the annular wall 24 of gas generator 1 " being properly placed generator base 2 " "
In (mistake proofing on gas generator 1 " on anti-arrange hole to be directed at annular bottom plate 22 " is raised)；Then " gas is covered with lock plate 4
Generator 1 ", and by lock plate 4 " on locking claw 41 " alignment generator base 2 " on claw hole 26 " insertion, buckle 42 "
Annular bottom plate 22 can be reached through generator base 2 " on claw hole 26 " " bottom surface；Then axial-rotation lock plate 4 ", lock
Only disk 4 " can clasp annular bottom plate bottom surface, limit its axial movement, and now generator base 2 " on ratchet 27 " can be locked out
Claw 41 " is outwards extruded and slipped on deformation, ratchet 27 " in ratchet 43 ", utilizes ratchet 27, and " the deflection deformation characteristic of itself is passed through
Resiliently return to original shape；Ratchet on when one end of locking claw 41 " rotating to claw hole 26 ", claw hole 26 "
The a line of ratchet can be first slipped over during ratchet on 27 " reach in lock plates 4 ", its another a line is withstood in then resilience, so that lock
Only disk 4 " with generator base 2 " realizes locking.
Compared with prior art, gas generator of the invention is directly fixed on generator base, or is passed through
It is fixed on generator base, without using screw and nut, can saves often with the lock plate of generator base clamping
The nut process of rule, can quickly and easily complete being connected between gas generator and generator base, protect
While holding gas generator fixation, with assembling it is simple, be simple to manufacture, low cost and other advantages.
Above-described, only presently preferred embodiments of the present invention is not limited to the scope of the present invention, of the invention is upper
Stating embodiment can also make a variety of changes.What i.e. every claims and description according to the present patent application were made
Simply, equivalent changes and modifications, falls within the claims of patent of the present invention.The present invention not detailed description is
Routine techniques content.
Claims (10)
1. a kind of main driving airbag module, it is fixed on frame of handwheel, including generator base and gas hair
Raw device, it is characterised in that the gas generator is fixed on the generation by direct be engaged by clamping with the generator base
On device base, or by one cover the lock plate of the gas generator and be engaged by clamping with the generator base and be fixed on institute
State on generator base.
2. main driving airbag module according to claim 1, it is characterised in that the generator base and the side
Realize and fix by corresponding the U-shaped jump ring being engaged by clamping and snap fit to disk skeleton.
3. main driving airbag module according to claim 1, it is characterised in that the generator base includes annular
Bottom plate, what the annular bottom plate coordinated provided with one around the circumferentially extending of its inner ring and with the flange shape of the gas generator
Annular wall.
4. main driving airbag module according to claim 3, it is characterised in that when the generator base directly with
When the gas generator is engaged by clamping, the inner surface of the annular wall is provided with some protrusion claws extended radially inward,
The flange of the gas generator is provided with the one-to-one axial socket of some and described protrusion claw；Also, the annular
Annular bottom plate on the inside of wall is provided with cantilevered snap fit, and the flange of the gas generator is provided with and the cantilevered snap fit
The snap fit hole of clamping engagement.
5. main driving airbag module according to claim 3, it is characterised in that be provided around on the annular bottom plate
The annular outer cover of the annular wall circumferentially extending.
6. main driving airbag module according to claim 3, it is characterised in that when the generator base with it is described
When lock plate is engaged by clamping, the outer rim of the lock plate is provided with some locking claws extended downwardly, the generator base
Annular bottom plate is provided with some claw holes that clamping engagement is corresponded with the locking claw.
7. main driving airbag module according to claim 6, it is characterised in that on the inner side hole wall in the claw hole
Raised provided with the locking extended radially outwards, the bottom of the locking claw is provided with and inserting that locking projection is engaged by clamping
Hole.
8. main driving airbag module according to claim 7, it is characterised in that the annular on the inside of the annular wall
Bottom plate is raised provided with the mistake proofing extended axially upward, is respectively equipped with and institute on the flange of the lock plate and the body generator
State the mistake proofing hole of mistake proofing male cooperation.
9. main driving airbag module according to claim 6, it is characterised in that the annular bottom plate is provided with from institute
The ratchet that the outside hole wall in claw hole is upwardly extended and bent inwards is stated, the outer rim of the locking claw is provided with matches somebody with somebody with the ratchet
The ratchet of conjunction.
10. main driving airbag module according to claim 9, it is characterised in that the bottom of the locking claw is set
There is the buckle of turned-out folding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710079585.4A CN107054275B (en) | 2017-02-14 | 2017-02-14 | Main driving safety airbag assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710079585.4A CN107054275B (en) | 2017-02-14 | 2017-02-14 | Main driving safety airbag assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107054275A true CN107054275A (en) | 2017-08-18 |
| CN107054275B CN107054275B (en) | 2023-03-28 |
Family
ID=59598785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710079585.4A Active CN107054275B (en) | 2017-02-14 | 2017-02-14 | Main driving safety airbag assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107054275B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000071913A (en) * | 1998-08-27 | 2000-03-07 | Nippon Plast Co Ltd | Steering wheel and manufacture thereof |
| CN202294662U (en) * | 2011-09-02 | 2012-07-04 | 浙江吉利汽车研究院有限公司 | Mounting structure of driver airbag |
| CN103492236A (en) * | 2011-04-18 | 2014-01-01 | 奥托立夫开发公司 | Device for damping vibrations |
| CN205292531U (en) * | 2015-12-18 | 2016-06-08 | 太航常青汽车安全设备(苏州)有限公司 | Air bag fixed knot constructs |
| CN206968599U (en) * | 2017-02-14 | 2018-02-06 | 天合汽车科技（上海）有限公司 | A kind of main driving airbag module |
-
2017
- 2017-02-14 CN CN201710079585.4A patent/CN107054275B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000071913A (en) * | 1998-08-27 | 2000-03-07 | Nippon Plast Co Ltd | Steering wheel and manufacture thereof |
| CN103492236A (en) * | 2011-04-18 | 2014-01-01 | 奥托立夫开发公司 | Device for damping vibrations |
| CN202294662U (en) * | 2011-09-02 | 2012-07-04 | 浙江吉利汽车研究院有限公司 | Mounting structure of driver airbag |
| CN205292531U (en) * | 2015-12-18 | 2016-06-08 | 太航常青汽车安全设备(苏州)有限公司 | Air bag fixed knot constructs |
| CN206968599U (en) * | 2017-02-14 | 2018-02-06 | 天合汽车科技（上海）有限公司 | A kind of main driving airbag module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107054275B (en) | 2023-03-28 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 201814 No. 289, Zhongbai Road, Jiading District, Shanghai Applicant after: Zeifu Automotive Technology (Shanghai) Co.,Ltd. Address before: 201814 No. 366, Taibo Road, Jiading District, Shanghai Applicant before: TRW AUTOMOTIVE TECHNOLOGIES (SHANGHAI) Co.,Ltd. |
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| CB02 | Change of applicant information | ||
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| GR01 | Patent grant |