CN213167982U - Sealing end cover of bipolar gas generator secondary cavity - Google Patents
Sealing end cover of bipolar gas generator secondary cavity Download PDFInfo
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- CN213167982U CN213167982U CN202021689812.9U CN202021689812U CN213167982U CN 213167982 U CN213167982 U CN 213167982U CN 202021689812 U CN202021689812 U CN 202021689812U CN 213167982 U CN213167982 U CN 213167982U
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- sealing
- medicine
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Abstract
The utility model discloses a seal end cover of bipolar gas generator second grade cavity. The novel self-ignition medicine storage tank is characterized in that a first cavity and a second cavity are arranged inside the shell respectively, the first cavity and the second cavity are both installed on the inner side wall of the shell, the second cavity comprises a cavity body and an end cover, the end cover is installed on the cavity body and is in sealing connection with the cavity body, a self-ignition medicine placing groove is arranged inside the second cavity, and the self-ignition medicine placing groove is arranged on the inner side wall of the second cavity. The utility model has the advantages that: the second-stage gas production medicine in the cavity II is ignited in time by matching with the self-ignition medicine to generate gas, so that the safety protection effect is achieved; the added flash effectively increases the sealing property of the second-stage cavity, and ensures that the second-stage gas production medicine in the second cavity can be in a stable state when the first-stage gas production medicine is combusted to provide gas.
Description
Technical Field
The utility model belongs to the technical field of the relevant technique of bipolar gas generator and specifically relates to indicate a sealed end cover of bipolar gas generator second grade cavity.
Background
The second-stage gas production medicine of the existing bipolar pyrotechnic generator needs to be ignited by a second-stage igniter, and the method cannot ensure the timely ignition of the second-stage gas production medicine when a fire disaster happens to an automobile. Meanwhile, the sealing performance of the second-stage cavity in the existing design is not perfect enough, and the second-stage gas production medicine can not be ensured to be in a stable state when only the first-stage gas production medicine is required to be combusted to provide gas under a specific working condition.
SUMMERY OF THE UTILITY MODEL
The utility model relates to an overcome among the prior art can't in time ignite the not enough of the poor stability of second grade gas production medicine and second grade cavity, provide one kind can in time ignite the sealed end cover of the good bipolar gas generator second grade cavity of stability of second grade gas production medicine and second grade cavity.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a sealing end cover of bipolar gas generator second grade cavity, includes the casing, the inside of casing is equipped with cavity one and cavity two respectively, cavity one and cavity two are all installed on the inside wall of casing, cavity two is including chamber body and end cover, the end cover install on the chamber body and with chamber body sealing connection, the inside of cavity two is equipped with the spontaneous combustion medicine standing groove, the spontaneous combustion medicine standing groove is arranged in on the inside wall of cavity two.
The automobile safety airbag device comprises a shell, a first cavity and a second cavity, wherein the first cavity and the second cavity are arranged inside the shell respectively and are arranged on the inner side wall of the shell, the second cavity comprises a cavity body and an end cover, the end cover is arranged on the cavity body and is in sealing connection with the cavity body, a spontaneous combustion medicine placing groove is arranged inside the second cavity, and the spontaneous combustion medicine placing groove is arranged on the inner side wall of the second cavity, wherein a first-stage gas production medicine and a second-stage gas production medicine are respectively arranged inside the first cavity and the second cavity and are used for generating gas to rapidly inflate the safety airbag when an automobile is in a fire; the spontaneous combustion medicine placing groove is internally provided with the spontaneous combustion medicine, so that when the integral structure of the generator can be kept in a stable state, the secondary gas production medicine can be ignited in time to generate gas through spontaneous combustion of the spontaneous combustion medicine, structural failure is avoided, and a safety protection effect is achieved; through the sealed arrangement of the second cavity, when the first-stage gas production medicine is combusted to provide gas, the second-stage gas production medicine in the second cavity can be in a stable state.
As preferred, the top of chamber body is equipped with the mounting groove, the edge of end cover be fixed with mounting groove assorted installation buckle, the end cover is provided with the overlap through the cooperation joint of installation buckle and mounting groove on the top of chamber body, the installation buckle, overlap and installation buckle fixed connection, the overlap setting is at the junction of installation buckle and mounting groove, the overlap of addding has effectively increased the leakproofness of second grade cavity, guarantees the stable output of second grade gas production medicine.
Preferably, the spontaneous combustion explosive placing groove is formed in the lower end face of the end cover, the end cover is made of metal materials with good heat conductivity, and when a fire breaks out in an automobile, the temperature is quickly transferred to the spontaneous combustion explosive in the spontaneous combustion explosive placing groove through quick temperature rise of the metal end cover, so that the spontaneous combustion explosive can be ignited in time.
As preferred, the casing includes upper casing lamella and lower casing lamella, and upper casing lamella and lower casing lamella joint and formation casing cavity between the two, cavity one and cavity two are all arranged in the casing cavity, and the joint mode is simple and convenient, installs easily and carries out the later maintenance.
Preferably, the bottom surface of the lower shell valve is respectively provided with a first mounting port and a second mounting port, the bottom of the first cavity is fixedly provided with a first mounting port matched with the first mounting port, the first cavity is mounted on the lower shell valve through the matching of the first mounting port and fixedly connected with the lower shell valve, the bottom of the second cavity is fixedly provided with a second mounting port matched with the second mounting port, and the second cavity is mounted on the lower shell valve through the matching of the second mounting port and fixedly connected with the lower shell valve.
Preferably, the first ignition tube is fixed on the first mounting head, and the second ignition tube is fixed on the second mounting head and is respectively used for igniting the gas producing medicines in the two cavities.
The utility model has the advantages that: the second-stage gas production medicine in the cavity II is ignited in time by matching with the self-ignition medicine to generate gas, so that the safety protection effect is achieved; the added flash effectively increases the sealing property of the second-stage cavity, and ensures that the second-stage gas production medicine in the second cavity can be in a stable state when the first-stage gas production medicine is combusted to provide gas.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is an enlarged view at a in fig. 1.
In the figure: 1. the self-ignition powder self-sealing device comprises a shell, 2 parts of a shell cavity, 3 parts of a self-ignition powder placing groove, 4 parts of an end cover, 5 parts of a cavity II, 6 parts of a cavity body, 7 parts of a mounting opening II, 8 parts of an ignition tube II, 9 parts of a mounting opening II, 10 parts of a mounting head I, 11 parts of an ignition tube I, 12 parts of a mounting opening I, 13 parts of a cavity I, 14 parts of a lower shell flap, 15 parts of an upper shell flap, 16 parts of a flange, 17 parts of a mounting groove and 18 parts of a mounting buckle.
Detailed Description
The invention is further described with reference to the accompanying drawings and the detailed description.
In the embodiment shown in fig. 1 and 2, the end cover for sealing the secondary cavity of the bipolar gas generator comprises a housing 1, wherein a first cavity 13 and a second cavity 5 are respectively arranged inside the housing 1, the first cavity 13 and the second cavity 5 are both mounted on the inner side wall of the housing 1, the second cavity 5 comprises a cavity body 6 and an end cover 4, the end cover 4 is mounted on the cavity body 6 and is in sealed connection with the cavity body 6, a spontaneous combustion agent placing groove 3 is arranged inside the second cavity 5, and the spontaneous combustion agent placing groove 3 is arranged on the inner side wall of the second cavity 5.
The top of chamber body 6 is equipped with mounting groove 17, and the edge of end cover 4 is fixed with the installation buckle 18 with mounting groove 17 assorted, and end cover 4 is provided with overlap 16 through the cooperation joint of installation buckle 18 and mounting groove 17 at the top of chamber body 6 on the installation buckle 18, overlap 16 and installation buckle 18 fixed connection, and overlap 16 sets up the junction at installation buckle 18 and mounting groove 17.
The spontaneous combustion agent placing groove 3 is provided on the lower end face of the end cover 4.
The shell 1 comprises an upper shell flap 15 and a lower shell flap 14, the upper shell flap 15 and the lower shell flap 14 are clamped, a shell cavity 2 is formed between the upper shell flap 15 and the lower shell flap 14, and the first cavity 13 and the second cavity 5 are arranged in the shell cavity 2.
The bottom surface of the lower shell valve 14 is respectively provided with a first mounting opening 12 and a second mounting opening 7, the bottom of the cavity I13 is fixedly provided with a first mounting head 10 matched with the first mounting opening 12, the cavity I13 is mounted on the lower shell valve 14 through the matching of the first mounting opening 12 and the first mounting head 10 and fixedly connected with the lower shell valve 14, the bottom of the cavity II 5 is fixedly provided with a second mounting opening 9 matched with the second mounting opening 7, and the cavity II 5 is mounted on the lower shell valve 14 through the matching of the second mounting opening 7 and the second mounting opening 9 and fixedly connected with the lower shell valve 14.
The first igniter tube 11 is fixed on the first mounting head 10, and the second igniter tube 8 is fixed on the second mounting head 9.
The utility model discloses a generally trigger the flow and do: when the automobile breaks out a fire, the end cover 4 rapidly heats up to reach the spontaneous combustion medicine in the spontaneous combustion medicine standing groove 3 rapidly with the temperature, can also keep under the stable state at the overall structure who sends the ware, in time ignite the second grade gas production medicine in the cavity two 5 through spontaneous combustion medicine, avoid the structural failure.
Meanwhile, the joint of the end cover 4 and the cavity body 6 is sealed by the flash 16, so that gas generated by combustion of the first-stage gas production medicine in the cavity I13 cannot enter the cavity II 5, and the second-stage gas production medicine in the cavity II 5 can be in a stable state.
Claims (6)
1. The utility model provides a sealing end cover of bipolar gas generator second grade cavity, characterized by, includes casing (1), the inside of casing (1) is equipped with cavity (13) and cavity two (5) respectively, cavity (13) and cavity two (5) are all installed on the inside wall of casing (1), cavity two (5) are including chamber body (6) and end cover (4), end cover (4) are installed on chamber body (6) and with chamber body (6) sealing connection, the inside of cavity two (5) is equipped with spontaneous combustion medicine standing groove (3), spontaneous combustion medicine standing groove (3) are arranged in on the inside wall of cavity two (5).
2. The end cover for sealing the secondary cavity of the bipolar gas generator as claimed in claim 1, wherein the top of the cavity (6) is provided with an installation groove (17), an installation buckle (18) matched with the installation groove (17) is fixed at the edge of the end cover (4), the end cover (4) is clamped at the top of the cavity (6) through the matching of the installation buckle (18) and the installation groove (17), the installation buckle (18) is provided with a flash (16), the flash (16) is fixedly connected with the installation buckle (18), and the flash (16) is arranged at the joint of the installation buckle (18) and the installation groove (17).
3. The end cap for sealing the secondary chamber of a bipolar gas generator as claimed in claim 1, wherein the propellant containing groove (3) is provided on the lower end face of the end cap (4).
4. The end cover for sealing the secondary cavity of the bipolar gas generator as claimed in claim 1, wherein the housing (1) comprises an upper shell flap (15) and a lower shell flap (14), the upper shell flap (15) and the lower shell flap (14) are clamped with each other to form a housing cavity (2), and the first cavity (13) and the second cavity (5) are both arranged in the housing cavity (2).
5. The end cover for sealing the secondary cavity of the bipolar gas generator as claimed in claim 4, wherein the bottom surface of the lower shell flap (14) is respectively provided with a first mounting port (12) and a second mounting port (7), the bottom of the first cavity (13) is fixed with a first mounting head (10) matched with the first mounting port (12), the first cavity (13) is mounted on the lower shell flap (14) through the matching of the first mounting port (12) and the first mounting head (10) and fixedly connected with the lower shell flap (14), the bottom of the second cavity (5) is fixed with a second mounting head (9) matched with the second mounting port (7), and the second cavity (5) is mounted on the lower shell flap (14) through the matching of the second mounting port (7) and the second mounting head (9) and fixedly connected with the lower shell flap (14).
6. The end cap for sealing the secondary chamber of a bipolar gas generator as claimed in claim 5, wherein a first igniter tube (11) is fixed to the first mounting head (10), and a second igniter tube (8) is fixed to the second mounting head (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021689812.9U CN213167982U (en) | 2020-08-14 | 2020-08-14 | Sealing end cover of bipolar gas generator secondary cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021689812.9U CN213167982U (en) | 2020-08-14 | 2020-08-14 | Sealing end cover of bipolar gas generator secondary cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213167982U true CN213167982U (en) | 2021-05-11 |
Family
ID=75800483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021689812.9U Active CN213167982U (en) | 2020-08-14 | 2020-08-14 | Sealing end cover of bipolar gas generator secondary cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213167982U (en) |
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2020
- 2020-08-14 CN CN202021689812.9U patent/CN213167982U/en active Active
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