CN2556083Y

CN2556083Y - Air-bag inflatable impact device

Info

Publication number: CN2556083Y
Application number: CN 02240926
Authority: CN
Inventors: 于书亚
Original assignee: FANGZHOU PROTECTION SCIENCE AND TECHNOLOGY Co Ltd
Current assignee: FANGZHOU PROTECTION SCIENCE AND TECHNOLOGY Co Ltd
Priority date: 2002-07-01
Filing date: 2002-07-01
Publication date: 2003-06-18
Anticipated expiration: 2012-07-01

Abstract

The utility model discloses a gas-bag gas filling cocking device, which mainly comprises a gas guide seat, a casing, a thimble seat, a handle, a rotary shaft and a detachment ring. A locating shaft and a locating spring are respectively arranged in a penetration hole in the middle section of the handle and a guide hole. The device is supported against the inside flange of the casing by the aid of the compression elastic force of the locating spring, ensuring that the device can resist the recovery elastic force produced by stretching the spring, and can effectively avoid unsmooth airflow or blockage phenomena caused by puncturing a gas filling steel cylinder for a second time. The utility model can draw the detachment ring in different directions by the aid of a channel formed inside of the rotary shaft and a groove formed at the lateral edge, ensuring that the utility model is more flexible to be used.

Description

The airbag aeration percussion lock

Technical field

The utility model relates to a kind of percussion lock, more particularly, relates to a kind of inflation percussion lock of air bag.

Background technology

By in the traffic accident report statistics of Ministry of Communication for many years as can be known, causing severe injury or dead reason in the traffic accident all is to cause the driver to fly out after being clashed into outside the car body because impact is too powerful, and when landing, be subjected to powerful bump and produce internal haemorrhage, in case going out hyperhematosis just can cause death, this also can see in newspapers and magazines often, especially be the exposed vehicle (as: motor bike) for the chaufeur health, except need are worn the safety cap of hard, also should wear soft air bag, so that when landing, can provide a buffering tension force to avoid health to be subjected to powerful bump by this air bag.

Yet, the inflation mode of general air bag A, as shown in Figure 1, be an air chamber 11 and to be set drive guide groove 12 in the seat 1 that loses heart, wherein in air chamber 11, be provided with a thimble seat 13 and a compression spring 14, and form a blowhole 15 and an air gate 16, to be connected inflation steel cylinder B and air bag A respectively, and be formed with opening 121 in a side that drives guide groove 12, and in opening 121, be provided with a steel ball 17 that can promote thimble seat 13, and be provided with a stay cord 18 at steel ball 17 corresponding openings 121 places, when by stay cord 18 pulling steel balls 17, can borrow steel ball 17 to promote thimble seat 13 and pierce through inflation steel cylinder B, carry out emergency pneumatic via 16 couples of air bag A of air gate again,, be provided with an extension spring 19 at the opposite side of steel ball 17 in addition for making it reusable, so that after steel ball 17 drives thimble seat 13, can bounce back into original position.

But said structure is often easily held thimble seat 13, can be caused thimble seat 13 repeated punctures inflation steel cylinder B like this because of the answer action of extension spring 19 causes steel ball 17 to repeat to push away.Cause air-flow to produce and have some setbacks or choking phenomenon, and the hand-pulled noodles of stay cord 18 often only have by drive guide groove 12 openings 121 places a bit, therefore also easily cause because of draw direction not to stuck phenomenon takes place, bring inconvenience to the user.

From the above, existing inflation percussion lock has following deficiency:

1. often reply and cause thimble seat repeated puncture inflation steel cylinder, air-flow is produced have some setbacks or choking phenomenon because of spring.

2. its hand-pulled noodles often only concentrates on a bit, easily causes because of pulling and supporting direction not to stuck phenomenon takes place.

3. use comparatively inconvenience.

4. often incur loss through delay inflationtime, even cause having little time gas filed danger because of airflow obstruction.

5. do not possess practicality.

, how above-mentioned deficiency is forgone for this reason, be the technical difficulty place that creator institute desire solves in the utility model.

In view of this, creator in the utility model is by means of professional attainment and technical concept that itself possessed, and, draw eventually and can not occur in the utility model that air-flow has some setbacks or choking phenomenon, and inflation percussion lock easy to use through test of many times and improvement.

Summary of the invention

Inflation percussion lock in the utility model mainly is in order to solve the problem of the existing above-mentioned deficiency of existing inflation percussion lock.

Airbag aeration percussion lock in the utility model mainly includes:

One air guiding base, include a loam cake and a seat, and after this loam cake and following flap close within it portion form the room that a threeway runs through, this room respectively is formed with an air inlet bolt mouth and and goes out the aeroembolism mouth in its both sides, wherein air inlet bolt mouth can be connected with the inflation steel cylinder, can be connected with air bag and go out the aeroembolism mouth, simultaneously, this room is formed with a brake port at its opposite side;

One shell, this shell is packaged in the periphery of air guiding base, and side is provided with flange corresponding to described brake port place within it;

One thimble seat, this thimble seat install together with a thimble spring and are positioned at air inlet bolt mouth inboard, are formed with a cambered surface at its opposite side, are provided with a plurality of air extractor vents simultaneously on its chow ring;

One pull handle, this pull handle passes brake port in the one side by extension spring and is positioned in the air guiding base, and be provided with a projection at the cambered surface place of corresponding thimble seat, this pull handle section place therein has a through hole, a side is provided with a guide hole in this through hole, and in this guide hole, be provided with a fix shaft with anchor ring, inserting end at this fix shaft is arranged with a location spring, simultaneously, the anchor ring of this fix shaft supports the lateral margin at guide hole, and the supporting end and can support on the flange of described shell of fix shaft then has a connector loop at the opposite side of this pull handle;

One S. A., this S. A. be provided with can be sealed with connector loop screw thread, and side is formed with a passage within it, and is formed with groove at the passage lateral margin; And

One breaks away from ring, and this disengagings encircles in the one side has a sphere that can many S. A.s lateral margin groove be set in the passage.

Airbag aeration percussion lock in the utility model mainly is to be provided with a fix shaft and a location spring in the through hole in pull handle stage casing and guide hole, hold on inside the shell the flange by means of the compression elasticity of retainer spring, make it resist back stretch that extension spring produced and effectively prevent to have some setbacks or produce the phenomenon of obstruction because of secondary puncture inflation air-flow that steel cylinder causes; And can reach the groove that forms at lateral margin by means of at the inboard passage that forms of S. A., the disengaging ring can be pulled and supported with different directions, thereby have more alerting ability in the use.

Description of drawings

The specific embodiment of the utility model is described in further detail below in conjunction with accompanying drawing.

Fig. 1 is the cross-sectional schematic of general inflation percussion lock commonly used;

Fig. 2 is the three-dimensional exploded view of inflation percussion lock in the utility model;

Fig. 3 is the stereo appearance figure of inflation percussion lock after assembling in the utility model;

Fig. 4 is the cross-sectional schematic of inflation percussion lock after combination in the utility model;

Fig. 5 inflates percussion lock in the cross-sectional schematic after pulling and supporting action in the utility model;

Fig. 6 breaks away from the structural representation that ring combines with S. A. in the utility model;

Fig. 7 is the perspective view of another embodiment in the utility model;

Fig. 8 is the scheme drawing of inflation percussion lock when implementing in the utility model.

The specific embodiment

As shown in Figures 2 and 3, the inflation percussion lock of air bag mainly includes a shell 2, an air guiding base 3, a thimble seat 4, a pull handle 5, a S. A. 6 and a disengaging ring 7 in the utility model; Wherein:

Air guiding base 3 is made of a loam cake 31 and a seat 32, and loam cake 31 with after following 32 covers within it portion be formed with the room 33 (cooperating shown in Figure 4) that a threeway runs through, this room 33 respectively is formed with an air inlet bolt mouth 34 and and goes out aeroembolism mouth 35 in its both sides, air inlet bolt mouth 34 can be engaged on the inflation steel cylinder B, can be engaged on the air bag A and go out aeroembolism mouth 35, form a ventilation space, opposite side at room 33 is formed with a brake port 36 in addition, makes pull handle 5 be located in 33 of movable rooms by this brake port 36.

Pull handle 5 section therein is provided with a through hole 51, in this through hole 51, be provided with a location spring 52, the upper end of this retainer spring 52 is nested with on the inserting end 533 of a fix shaft 53, simultaneously, be provided with a guide hole 54 in the stage casing of this pull handle 5 below corresponding to through hole 51, this guide hole 54 stretches through for the end 531 that supports of fix shaft 53, and by means of the anchor ring 532 of this fix shaft 53 the lateral margin places that are held in guide hole 54 are positioned, be positioned at the side inside in addition of room 33 in the air guiding base 3 by extension spring 56 in a side of pull handle 5.Air guiding base 3 is set in the shell 2, and being provided with an isolated ring 22 near connector loop 58 inner faces and housing 2 places envelope, whereby to reach the purpose that effective secluding air leaks.

Thimble seat 4 nationalitys are installed the inboard that is positioned at air inlet bolt mouth 34 by a needle spring 41, the top of its most advanced and sophisticated 42 corresponding inflation steel cylinder B, and opposite side is formed with a cambered surface 43, and in pull handle 5, be provided with a projection 57 corresponding to these cambered surface 43 places, simultaneously, on the chow ring of thimble seat 4, be provided with a plurality of air extractor vents 44, along with pull handle 5 pullings, projection 57 is by cambered surface 43 pressure holding thimble seats 4, thereby disengage via air extractor vent 44 pressure gas in its inflation steel cylinder B also along with interlock and puncture the top of inflation steel cylinder B at the tip 42 of thimble seat 4 from go out aeroembolism mouth 35.

As shown in Figure 5, when disengaging ring 7 is spurred, can impel pull handle 5 to produce interlock, and make the cambered surface 43 of the projection 57 pressure holding thimble seats 4 of pull handle 5, make most advanced and sophisticated 42 to puncture the top of inflating steel cylinder B, and nationality replys thimble seat 4 by thimble spring 41, thereby will discharge gas disengages from go out aeroembolism mouth 35, so that air bag A is carried out emergency pneumatic, simultaneously after the projection 57 that makes pull handle 5 passes the cambered surface 43 of thimble seat 4, the fix shaft 53 of pull handle 5 is by the compression elasticity of retainer spring 52, making it support end 531 holds on the flange 21 of shell 2 inboards, thereby can resist the back stretch that extension spring 56 is produced, nationality is effectively preventing because of the having some setbacks of secondary puncture inflation steel cylinder air-flow that B is caused, even the awkward situation of generation choking phenomenon.If when when desiring to make it to reply, that only need directly push fix shaft 53 supports end 531, makes its flange 21 that breaks away from shell 2 inboards, and directly nationality is reached the purpose of answer by the pulling force of extension spring 56, has conveniently, practical function.

In addition, S. A. 6 is made by flexible materials, and its be provided with can with the sealed outside thread 63 of 58 negative threads 55 of connector loop in the pull handle 5, as Fig. 2 and shown in Figure 6, and side is formed with a passage 61 and is formed with groove 62 at its lateral margin within it, at these passage 61 built-in spheres 71 that break away from ring 7 that are provided with, makes holding of breaking away from that ring 7 can the multi-angle different directions draws and should disengaging encircle 7 opposite side to be provided with a draw ring 72, make the inflation percussion lock when use pulls and supports, have more convenient, flexible property.

As shown in Figure 7, breaking away from the utility model on the draw ring 72 of ring 7 can a sheathed connection cord group 8, and this connection cord group 8 is set in the side of motor bike C, as shown in Figure 8, when the driver breaks away from because of being impacted, can drive pull handle 5 by breaking away from ring 7 by nationality, and make 7 landings from the groove 62 of S. A. 6 of disengaging ring, not only can carry out emergency pneumatic to air bag A like this, and can not produce airflow obstruction because of replying, significantly to reduce inflationtime, reach safe and practical purpose.

Inflation percussion lock in the utility model mainly is to be provided with a fix shaft and a location spring in the through hole in pull handle stage casing and guide hole, the compression elasticity of nationality retainer spring holds on inside the shell the flange, makes it resist back stretch that extension spring produced and effectively prevent to have some setbacks or produce the phenomenon of obstruction because of secondary puncture inflation air-flow that steel cylinder causes; And but nationality is by the inboard passage that forms of S. A., and at the groove that lateral margin forms, makes to break away from and encircle and can pull and support with different directions, thereby have more alerting ability in the use.

In sum, the inflation percussion lock in the utility model has the following advantages:

1. can effectively prevent to inflate the phenomenon that air-flow that steel cylinder causes has some setbacks or produces obstruction because of secondary puncture.

2. but nationality is reached the groove that forms at lateral margin and is installed the sphere that breaks away from ring by the inboard passage that forms of S. A., it can be pulled and supported with the multi-angle direction, thereby have more alerting ability in the use.

3. can effectively shorten the full time of inflation.

4. utilize to break away from ring and the interaxle buffering tension force of rotation, can make whole can Yin Lali excessive and disintegration.

5. under certain pulling force situation, make to break away from ring and separate, to reduce the bump injury when car is dropped because of the people.

6. but the S. A. nationality is closed with breaking away from loops easily by groove, and need not extra serviceable tool.

7. use and have more convenience.

8. meet ergonomics.

9. has practicality.

10. has industrial competitiveness.

In addition; above-mentionedly only a specific embodiment in the utility model is made detailed description; can not be as protection domain of the present utility model; because it is made simple change or modification is more or less freely as those skilled in the art; but this change and modification all can not break away from the design spirit in the utility model; therefore, every equivalence of having done according to the design spirit in the utility model changes or modifies, and all should be considered to invade protection domain of the present utility model.

Claims

1. airbag aeration percussion lock, it is characterized in that: it mainly includes:

One pull handle, this pull handle passes brake port in the one side by extension spring and is positioned in the air guiding base, and be provided with a projection at the cambered surface place of corresponding thimble seat, this pull handle section place therein has a through hole, side in this through hole is provided with a guide hole, and in this guide hole, be provided with a fix shaft with anchor ring, inserting end at this fix shaft is arranged with a location spring, simultaneously, the anchor ring of this fix shaft supports the lateral margin at guide hole, and the supporting end and can support on the flange of described shell of fix shaft is provided with a connector loop at the opposite side of this pull handle;

2. according to the airbag aeration percussion lock described in the claim 1, it is characterized in that: described disengaging ring is provided with a draw ring of being convenient to pull and support at its opposite side.

3. according to the airbag aeration percussion lock described in the claim 1, it is characterized in that: the manufacturing materials of described S. A. is a flexible materials.

4. according to the airbag aeration percussion lock described in the claim 1, it is characterized in that: between described connector loop inner face and shell, be provided with an isolated ring.