CN215752953U - Gas generating mechanism and airbag device - Google Patents
Gas generating mechanism and airbag device Download PDFInfo
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- CN215752953U CN215752953U CN202121041751.XU CN202121041751U CN215752953U CN 215752953 U CN215752953 U CN 215752953U CN 202121041751 U CN202121041751 U CN 202121041751U CN 215752953 U CN215752953 U CN 215752953U
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Abstract
The utility model discloses a gas generating mechanism and air bag equipment, and relates to the technical field of air bag structures. The first container is provided with a first accommodating space, the first accommodating space is used for accommodating a first solution, and a weak sealing part is arranged on the first container; the second container is accommodated in the first accommodating space and is filled with a first reagent; the third container is provided with a second accommodating space, a second reagent is also accommodated in the second accommodating space, and the third container is communicated with the air bag; the driving assembly is used for enabling the second container to be communicated with the first accommodating space, enabling the first solution to react with the first reagent to generate gas, further enabling the air pressure in the first container to be increased, and enabling the weak sealing part on the inner wall of the first container to be broken, so that the first solution flows into the second accommodating space to react with the second reagent to generate gas for filling the air bag. The utility model solves the technical problem of how to mix two reagents in a built-in self-water storage mode by a gas generating mechanism in the prior art.
Description
Technical Field
The utility model relates to the technical field of airbag structures, in particular to a gas generating mechanism and airbag equipment.
Background
In order to solve drowning death events, lifesaving wearing equipment such as a lifesaving bracelet and a lifesaving vest provided with a gas generating mechanism is designed on the market at present, and gas is generated by the gas generating mechanism to fill a gas bag, so that drowning people are rescued. The gas generating mechanism generally generates gas in an explosive manner by heating and igniting explosives and in a solution manner by chemical reaction in the solution. The explosive type has high temperature and high speed, but is easy to cause injury to drowning people; however, the solution type requires water to participate in the reaction, and if water is introduced from the environment at the time of activation, there is a possibility that the user struggles to suck air and the failure is caused, and if water is stored in the gas generating mechanism, there is a technical problem how to activate the mixing of the two reagents.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a gas generating mechanism, which is used to solve the technical problem of how to mix two reagents in a built-in self-water storage manner in the gas generating mechanism in the prior art.
A gas generating mechanism comprising:
the first container is provided with a first accommodating space, a first solution is accommodated in the first accommodating space, and a weak sealing part is arranged on the first container;
a second container accommodated in the first accommodating space and containing a first reagent;
a third container provided with a second accommodating space accommodating a second reagent, the third container being communicated with the air bag; and
and the driving assembly is used for enabling the second container to be communicated with the first accommodating space, enabling the first solution to react with the first reagent to generate gas so as to break the weak sealing part, and enabling the first solution to flow into the second accommodating space to react with the second reagent to generate gas for filling the air bag.
In some embodiments of the gas generating mechanism, the gas generating mechanism further comprises a lid for closing the second container to seal the first reagent; the driving assembly is connected with the sealing cover to drive the sealing cover to move, so that the second container is communicated with the first accommodating space.
In some embodiments of the gas generating mechanism, the cover is threadably connected to the second container to close the second container.
In some embodiments of the gas generating mechanism, the drive assembly comprises a rotary motor coupled to the closure to be able to drive rotation of the closure to unscrew the closure from the second container.
In some embodiments of the gas generating mechanism, the cover is provided to the second container to close the second container.
In some embodiments of the gas generating mechanism, the driving component is a linear module, and the linear module is connected with the cover to drive the cover to be far away from the second container, so that the second container is communicated with the first accommodating space.
In some embodiments of the gas generating mechanism, the second container is a cartridge structure, and the first solution is not in the second container, so that the first solution can enter the second container to react with the first reagent.
In some embodiments of the gas generating mechanism, the first container is accommodated in the second accommodating space.
In some embodiments of the gas generating mechanism, the first reagent is the same as the second reagent.
An airbag apparatus includes the gas generating mechanism in the above embodiment, and further includes an airbag.
The embodiment of the utility model has the following beneficial effects:
the gas generating mechanism and the airbag device comprise a first container, a second container and a third container, wherein the first container is provided with a first accommodating space, the third container is provided with a second accommodating space, a first solution in the first accommodating space reacts with a first reagent in the second container accommodated in the first accommodating space to generate gas, so that the air pressure in the first container is increased, a weak sealing part on the inner wall of the first container is broken, the first accommodating space and the second accommodating space are the same, and the first solution flows into the second accommodating space to react with the second reagent to generate a large amount of gas to fill the airbag. The utility model adopts two-stage reaction, and carries out multiple reactions in a self-water storage way, thereby generating a large amount of gas to fill the air bag, and solving the technical problem that how to mix two reagents in a built-in self-water storage way in a gas generating mechanism in the prior art.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the gas generating mechanism and the airbag;
FIG. 2 is another schematic view of the gas generating mechanism and airbag configuration of FIG. 1;
FIG. 3 is another schematic view of the gas generating mechanism and airbag configuration shown in FIG. 1.
Wherein: 1. a first container; 11. a first accommodating space; 12. a first solution; 13. a weak seal part; 2. a second container; 21. a first reagent; 3. a third container; 31. a second accommodating space; 32. a second reagent; 4. sealing the cover; 5. a drive assembly; 6. an air bag.
Detailed Description
To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The gas generating mechanism generally generates gas in an explosive manner by heating and igniting explosives and in a solution manner by chemical reaction in the solution. The explosive type has high temperature and high speed, but is easy to cause injury to drowning people; however, the solution type requires water to participate in the reaction, and if water is introduced from the environment at the time of activation, there is a possibility that the user struggles to suck air and the failure is caused, and if water is stored in the gas generating mechanism, there is a technical problem how to activate the mixing of the two reagents.
According to the utility model, the first solution in the first containing space reacts with the first reagent in the second container contained in the first containing space to generate gas, so that the air pressure in the first container is increased, the weak sealing part on the inner wall of the first container is broken, the first containing space and the second containing space are the same, and the first solution flows into the second containing space to react with the second reagent to generate a large amount of gas to fill the air sac. The utility model adopts two-stage reaction, and carries out multiple reactions in a self-water storage way, thereby generating a large amount of gas to fill the air bag, and solving the technical problem that how to mix two reagents in a built-in self-water storage way in a gas generating mechanism in the prior art.
In one embodiment of a gas generating mechanism, as shown in fig. 1-3, the gas generating mechanism comprises a first container 1, a second container 2, a third container 3, and a drive assembly 5; the first container 1 is provided with a first accommodating space 11, a first solution 12 is accommodated in the first accommodating space 11, and a weak sealing part 13 is arranged on the first container 1; the second container 2 is accommodated in the first accommodating space 11, and a first reagent 21 is contained therein; the third container 3 is provided with a second accommodating space 31, the second accommodating space 31 also accommodates a second reagent 32, and the third container 3 is communicated with the air bag 6; the driving assembly 5 is used for communicating the second container 2 with the first accommodating space 11, so that the first solution 12 reacts with the first reagent 21 to generate gas, and further, the air pressure in the first container 1 is increased to break the weak sealing part 13 on the inner wall of the first container 1, so that the first solution 12 flows into the second accommodating space 31 to react with the second reagent 32 to generate gas for filling the gas bag 6.
In the present embodiment, the three containers are respectively filled with different reagents, the first solution 12 is in the first accommodating space 11 of the first container 1, the first solution 12 is reacted with the first reagent 21 in the second container 2 to generate gas in a self-water storage manner, so as to increase the gas pressure in the first container 1, when the gas pressure exceeds a threshold value which can be borne by the weak seal 13 of the container wall of the first container 1, the weak seal 13 is broken, so that the first solution 12 in the first accommodating space 11 enters the second accommodating space 31 to react with the second reagent 32, so as to generate a large amount of gas, and the generated gas is introduced into the airbag 6 to fill the airbag 6, in the present embodiment, the first solution 12 can be completely reacted to generate a large amount of gas, and the first solution 12 and the first reagent 21 are reacted by the action of the driving assembly 5, the technical problem of how to mix two reagents in a built-in self-water storage mode by a gas generation mechanism in the prior art is solved. Fig. 1-3 correspond to three states, respectively, fig. 1 is an initial state, fig. 2 shows that the weak seal portion 13 is broken after the driving assembly 5 is started; fig. 3 shows that the first solution 12 enters the second receiving space 31 and reacts with the second reagent 32 to generate gas to fill the gas-filled cell 6.
In an embodiment of the gas generating mechanism, the gas generating mechanism further comprises a cover 4, the cover 4 being adapted to close the second container 2 to seal the first reagent 21; the driving assembly 5 is connected to the cover 4 to drive the cover 4 to move, so that the second container 2 is communicated with the first receiving space 11.
In this embodiment, the second container 2 is provided with a cap 4 for sealing the second container 2, and the driving unit 5 is connected to the cap 4, so that the driving unit 5 can open the cap 4, and the second container 2 is communicated with the first receiving space 11, so that the first solution 12 reacts with the first reagent 21 to generate gas to burst the weak seal 13.
In a further embodiment of the above-described embodiment of the gas generating mechanism, the closure 4 is threadably connected to the second container 2 to close the second container 2.
In this embodiment, the second container 2 can be completely sealed by using the screw connection, so as to avoid the reaction with the first solution 12 in the first accommodating space 11, and the second container is also convenient to open and close by using the screw connection, and has a simple structure and convenient operation.
In a further embodiment of the above-described embodiment of the gas generating mechanism, the drive assembly 5 comprises a rotary motor connected to the closure 4 to be able to drive the closure 4 in rotation to unscrew the closure 4 from the second container 2.
In this embodiment, the driving assembly 5 may be a rotary motor, which is of a push type, and the rotary motor is connected to the cover 4, so that the cover 4 can be driven by the rotary motor to rotate and separate from the second container 2, so as to open the second container 2 and communicate the second container 2 with the first accommodating space 11, and further, the first solution 12 and the first reagent 21 can react to generate gas to burst the weak sealing portion 13. The driving assembly 5 of the utility model has simple structure and convenient operation, can make the driving mode of the rotating motor into simple key triggering, and can be simply used when drowning.
In one embodiment of the gas generating mechanism, a closure 4 is provided to cover the second container 2 to close the second container 2.
In this embodiment, the cover 4 completely covers the second container 2, so as to prevent the first solution 12 from entering the second container 2, and a sealing member such as rubber may be added between the cover 4 and the second container 2, so as to perform a further sealing function.
In a further embodiment of the above-mentioned embodiment of the gas generating mechanism, the driving member 5 is a linear module, and the linear module is connected to the cover 4 to drive the cover 4 away from the second container 2, so as to communicate the second container 2 with the first receiving space 11.
In this embodiment, the driving assembly 5 can be set as a linear module, such as a linear module with a linear motion function, for example, a cylinder, a screw rod, etc., and the linear module is connected to the sealing cover 4, so as to drive the sealing cover 4 to be away from the second container 2.
In one embodiment of the gas generating mechanism, the second container 2 is a cartridge structure, and the first solution 12 is not in the second container 2, so that the first solution 12 can enter the second container 2 to react with the first reagent 21.
In this embodiment, the second container 2 has a box structure, which may be a rectangular box or a cylindrical box. The level of the first solution 12 needs to be set not to be over the opening of the second container 2 so that the first solution 12 can enter the second container 2 for reaction. The volume of the second container 2 can be set to be small, the purpose of the reaction between the first solution 12 and the first reagent 21 is to burst the weak seal 13, so that the first solution 12 flows into the second accommodating space 31 to react with a sufficient amount of the second reagent 32, and if the amount of the first reagent 21 is too large, the pressure in the first container 1 is too high, which is not favorable for leading the gas out to the airbag 6.
In an embodiment of the gas generating mechanism, the first container 1 is accommodated in the second accommodating space 31, and the amount of the first reagent 21 is smaller than that of the second reagent 32.
It is understood that, in the foregoing embodiment, the first container 1 may be provided outside the second receiving space 31. In the embodiment, the first container 1 is accommodated in the second accommodating space 31, and no additional passage is needed for conducting between the first container 1 and the third container 3, so that the structure of the whole gas generating mechanism is more compact, small and integrated, the occupied volume is reduced, and the arrangement and the accommodation are convenient.
In one embodiment of the gas generating mechanism, the first reagent 21 is the same as the second reagent 32
In this embodiment, the first reagent 21 and the second reagent 32 may be the same reagent, and in the chemical reaction of the present invention, the reaction of carbonate/bicarbonate with organic acid/inorganic acid/acid salt or other gas generating reaction is preferable; for example, the first solution 12 may be: sodium carbonate solution, sodium bicarbonate solution, potassium carbonate solution, potassium bicarbonate solution, calcium carbonate solution, magnesium carbonate solution, etc., and the first reagent 21 may be: citric acid, tartaric acid, malic acid, fumaric acid, oxalic acid, sodium bisulfate; in addition, the order of the first solution 12 and the first reagent 21 may be changed, that is, the first solution 12 may be: the first reagent 21 is in a solid state as the original first solution 12, and the second reagent 32 may be the same reagent as the first reagent 21, or may be different reagents, and the same reagent is selected, so that the gas generation rate is stable.
In addition, the first container 1 can be made of a thin bag made of materials such as PVC, PE, TPU, aluminum plastic film and the like, the weak sealing part 13 is arranged on the bag, the weak sealing part 13 is a weak welding part, when the air pressure in the first container 1 reaches a certain value, the weak sealing part 13 is firstly burst, so that the same position of each burst of the first container 1 is ensured, and the consistency of the rate of the first solution 12 reacting with the first reagent 21 to generate gas is higher.
Through implementing above-mentioned embodiment, through triggering a little lifting unit or the subassembly that opens and shuts, drive assembly 5, trigger chain reaction and finally produce a large amount of gases, realize aerifing gasbag 6, easily realize on the product, and do not need the skill, easy to operate, solved the trigger device difficult problem that makes two kinds of reagents mix. And can be controlled through electrification, the reliability is higher. Meanwhile, manual triggering and automatic triggering can be achieved.
In an embodiment of an airbag apparatus, the gas generating mechanism and the airbag 6 in the above-described embodiment are included.
In this embodiment, the gasbag equipment can be for equipment wearing equipment such as lifesaving bracelet, the lifesaving wrist-watch, the life vest, through in applying the gasbag equipment with the gas generation mechanism in above-mentioned embodiment, with can be to 6 gas filling of gasbag, through adopting the mode from the stock solution, can react at the condition that does not introduce the extra income water, thereby the problem of inefficacy because of the inhaled air has been avoided, and can be through earlier 12 first solutions and the 21 reaction of a small amount of first reagent, again with 12 first solutions and the second reagent 32 reaction of capacity of second reagent, with a large amount of gas production, for many times of reactions, and introduce can electric control's drive assembly 5 and open closing cap 4, moreover, the steam generator is simple in structure, and the operation of the person of conveniently drinking water saves oneself.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A gas generating mechanism, comprising:
the first container is provided with a first accommodating space, a first solution is accommodated in the first accommodating space, and a weak sealing part is arranged on the first container;
a second container accommodated in the first accommodating space and containing a first reagent;
a third container provided with a second accommodating space accommodating a second reagent, the third container being communicated with the air bag; and
and the driving assembly is used for enabling the second container to be communicated with the first accommodating space, enabling the first solution to react with the first reagent to generate gas so as to break the weak sealing part, and enabling the first solution to flow into the second accommodating space to react with the second reagent to generate gas for filling the air bag.
2. The gas-generating mechanism of claim 1, wherein: the gas generating mechanism further comprises a cover for closing the second container to seal the first reagent; the driving assembly is connected with the sealing cover to drive the sealing cover to move, so that the second container is communicated with the first accommodating space.
3. The gas-generating mechanism of claim 2, wherein: the cover is connected with the second container through threads to close the second container.
4. A gas generating mechanism as defined in claim 3, wherein: the driving assembly comprises a rotating motor, and the rotating motor is connected with the sealing cover so as to drive the sealing cover to rotate, so that the sealing cover is screwed off the second container.
5. The gas-generating mechanism of claim 2, wherein: the cover is arranged on the second container to close the second container.
6. The gas-generating mechanism of claim 5, wherein: the driving assembly is a linear module, and the linear module is connected with the sealing cover to drive the sealing cover to be away from the second container, so that the second container is communicated with the first accommodating space.
7. The gas-generating mechanism of claim 6, wherein: the second container is of a box body structure, and the first solution is not covered on the second container, so that the first solution can enter the second container to react with the first reagent.
8. A gas generating mechanism as defined in any of claims 1-7, wherein: the first container is accommodated in the second accommodating space, and the amount of the first reagent is smaller than that of the second reagent.
9. The gas-generating mechanism of claim 8, wherein: the first reagent is the same as the second reagent.
10. An airbag apparatus characterized in that: comprising a gas-generating mechanism according to any one of claims 1-9 and said airbag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121041751.XU CN215752953U (en) | 2021-05-14 | 2021-05-14 | Gas generating mechanism and airbag device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121041751.XU CN215752953U (en) | 2021-05-14 | 2021-05-14 | Gas generating mechanism and airbag device |
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| Publication Number | Publication Date |
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| CN215752953U true CN215752953U (en) | 2022-02-08 |
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| CN202121041751.XU Active CN215752953U (en) | 2021-05-14 | 2021-05-14 | Gas generating mechanism and airbag device |
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| CN (1) | CN215752953U (en) |
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- 2021-05-14 CN CN202121041751.XU patent/CN215752953U/en active Active
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