CN205495179U - A air intake device for special gas particulate filter of people's air defense - Google Patents
A air intake device for special gas particulate filter of people's air defense Download PDFInfo
- Publication number
- CN205495179U CN205495179U CN201620476422.0U CN201620476422U CN205495179U CN 205495179 U CN205495179 U CN 205495179U CN 201620476422 U CN201620476422 U CN 201620476422U CN 205495179 U CN205495179 U CN 205495179U
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- air inlet
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- fixing
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Abstract
The utility model discloses an air intake device for special gas particulate filter of people's air defense, including air intake, explosion -proof device, inlet filter and blind lid retainer plate, wherein the air intake tip is equipped with the annular connecting portion of circle, and the centre is equipped with the air inlet diffusion part that is toper and outside expansion, be equipped with the wind gap retainer plate on the air intake, wind gap retainer plate one end is connected with blind lid retainer plate, and the other end is connected with the connecting portion of air intake, explosion -proof device both ends and air inlet diffusion part fixed connection, inlet filter sets up between explosion -proof device and connecting portion. Have the dual -protection effect, with the reducing impact repercussions, prevent these internal parts of its harm gas particulate filter, can carry out the prefilter before gas gets into the gas particulate filter body, get rid of the dust and the impurity of large granule slightly, prevent that the secondary filter from blockking up, improve gas particulate filter's life, can dismantle and change inlet filter at any time.
Description
Technical field
This utility model relates to the technical field of gas-particulate filter, particularly to a kind of air inlet device for people's air defense special filtering absorber.
Background technology
Civil air defense constructions and installations is a kind of for wartime, the special hypogee that has requirement of shelter, gas-particulate filter for civil air defense constructions and installations, need extremely strong filter effect, can effectively filter containing toxic gas, the air of radioactive dust, additionally, enormous impact ripple can be produced after bomb blast, although shock wave arrives gas-particulate filter, overbottom pressure has become the least, but still the fine filter within gas-particulate filter can be caused damage, and substantial amounts of dust also easily causes fine filter blocking, reduces its service life.
Chinese patent CN201493025U discloses a kind of gas-particulate filter, including staving, the both sides of described staving are provided with air inlet and gas outlet, described air inlet is fixed with bursting diaphragm, described bursting diaphragm is provided with groove, the sidewall of groove is provided with hole, and the design of this bursting diaphragm can reduce remainder pressure of shock wave, prevents the damage to fine filter.But it does not solve the problem that fine filter easily blocks, service life is low.
Utility model content
The purpose of utility model: this utility model discloses a kind of air inlet device for people's air defense special filtering absorber, tentatively can filter before gas enters gas-particulate filter body, remove the most oarse-grained dust and impurity, prevent its fine filter entering gas-particulate filter body from causing blocking, affect filter effect, can also improve the service life of gas-particulate filter, the most also have the effect reducing impact repercussions, strengthen protection effect.
Technical scheme: in order to realize object above, the utility model discloses a kind of air inlet device for people's air defense special filtering absorber, including air inlet, explosion-proof apparatus, air inlet filtering device and blind cover ring for fixing, wherein air inlet end is provided with the connecting portion of annular, and centre is provided with air intake diffusion part that is tapered and that expand outwardly；Described air inlet is provided with air port ring for fixing, and ring for fixing one end, air port is connected with blind cover ring for fixing, and the other end is connected with the connecting portion of air inlet；Described explosion-proof apparatus two ends are fixing with air intake diffusion part to be connected, and described air inlet filtering device is arranged between explosion-proof apparatus and connecting portion.The design of explosion-proof apparatus can reduce impact repercussions, prevents the fine filter of its infringement gas-particulate filter body interior；The design of air inlet filtering device the most tentatively can be filtered before gas enters gas-particulate filter body, to remove the most oarse-grained dust and impurity, prevent its fine filter entering gas-particulate filter body from causing blocking, affect filter effect, the service life of gas-particulate filter can also be improved, the most also there is the effect reducing impact repercussions, strengthen protection effect；Blind cover ring for fixing is used for installing blind cover, can dismantle at any time and change air inlet filtering device.
Further, above-mentioned a kind of air inlet device for people's air defense special filtering absorber, described explosion-proof apparatus includes the bursting diaphragm with one group of depressed part and is arranged on the installing plate of bursting diaphragm both sides, and wherein the two side of depressed part is designed with one group of air vent, and installing plate is connected with air intake diffusion part.This design can increase the area of bursting diaphragm, to reduce the pressure that bursting diaphragm is subject to；And the gross area that gas flows can be increased, improve filter efficiency；Furthermore it is also possible to change wind direction, prevent gas impact fine filter, cause damage.
Further, above-mentioned a kind of air inlet device for people's air defense special filtering absorber, described bursting diaphragm is provided with exciter, and the junction of bursting diaphragm both sides and installing plate is provided with exciter support, wherein the setting direction of exciter support is consistent with the depression direction of depressed part, and exciter embeds and is arranged between exciter support and depressed part.This design exciter is installed stable, and has saved installing space, decreases the volume of assembly.
Further, above-mentioned a kind of air inlet device for people's air defense special filtering absorber, the expansion end of described air intake diffusion part is square and is provided with turn-up portion, and turn-up portion is connected with gas-particulate filter body by sealing ring.This design adds the connection sealing with body, prevents harmful gas from leaking.
Further, above-mentioned a kind of air inlet device for people's air defense special filtering absorber, described blind cover ring for fixing is provided with one group of clamping part tilted, and its shape adapts with the card groove shape of blind cover.This design facilitates the dismounting of blind cover, and the operator that are more convenient for change air inlet filtering device, it is possible to reduce workload and working time.
Further, above-mentioned a kind of air inlet device for people's air defense special filtering absorber, described air inlet filtering device is arranged among the depressed part of explosion-proof apparatus.This design utilizes the depressed part of explosion-proof apparatus to install air inlet filtering device, Appropriate application space, it is possible to reduce the volume of assembly.
Further, above-mentioned a kind of air inlet device for people's air defense special filtering absorber, described air inlet filtering device takes the shape of a bag, and is provided with bag mouth ring for fixing at bag mouth, and wherein bag mouth ring for fixing is connected with air port ring for fixing.This design dedusting amount is big, and is easy to replace.
Further, above-mentioned a kind of air inlet device for people's air defense special filtering absorber, described air port ring for fixing is provided with rubber ring.This design can improve the sealing that air inlet connects.
Further, above-mentioned a kind of air inlet device for people's air defense special filtering absorber, described exciter is additionally provided with exciter pressing plate, is provided with the groove adapted with exciter shape in the middle of exciter pressing plate, and two ends are connected with bottom and the exciter support of depressed part respectively.The design of this exciter pressing plate makes the installation of exciter more stable, reliable, also functions to protect the effect of exciter.
Further, above-mentioned a kind of air inlet device for people's air defense special filtering absorber, described explosion-proof apparatus is provided with reinforcing plate, and wherein reinforcing plate is arranged on the two ends of one group of depressed part.The effect increasing bursting diaphragm intensity is played in this design, and can enter gas-particulate filter body with regulation gas from air vent.
Technique scheme can be seen that, this utility model has the advantages that a kind of air inlet device for people's air defense special filtering absorber described in the utility model, there is double protection, impact repercussions to reduce, prevent it from damaging the intrinsic parts of gas-particulate filter；Can tentatively filter before gas enters gas-particulate filter body, remove the most oarse-grained dust and impurity, prevent its fine filter entering gas-particulate filter body from causing blocking, affect filter effect, it is also possible to improve the service life of gas-particulate filter；Can dismantle at any time, change air inlet filtering device more convenient and quick；Save installing space, reduce the volume of assembly；Junction sealing, prevents harmful gas from leaking；It addition, Stability Analysis of Structures is reliable, intensity is high.
Accompanying drawing explanation
Fig. 1 is the generalized section of a kind of the first embodiment of air inlet device for people's air defense special filtering absorber described in the utility model；
Fig. 2 is the structural representation of a kind of the first embodiment explosion-proof apparatus of air inlet device for people's air defense special filtering absorber described in the utility model；
Fig. 3 is the generalized section of a kind of air inlet device the second embodiment for people's air defense special filtering absorber described in the utility model；
In figure: 1-air inlet, 11-connecting portion, 12-air intake diffusion part, 13-turn-up portion, 14-sealing ring, 2-explosion-proof apparatus, 21-depressed part, 22-bursting diaphragm, 23-installing plate, 24-air vent, 25-reinforcing plate, 3-air inlet filtering device, 31-bag mouth ring for fixing, 4-blind cover ring for fixing, 41-clamping part, 5-air port ring for fixing, 6-exciter, 61-exciter support, 62-exciter pressing plate, 7-rubber ring, 8-marks.
Detailed description of the invention
Below in conjunction with the accompanying drawings, this utility model detailed description of the invention is described in detail.
Embodiment 1
The first embodiment of a kind of air inlet device for people's air defense special filtering absorber of the present utility model, as depicted in figs. 1 and 2, including air inlet 1, explosion-proof apparatus 2, air inlet filtering device 3 and blind cover ring for fixing 4, wherein air inlet 1 end is provided with the connecting portion 11 of annular, centre is provided with air intake diffusion part 12 that is tapered and that expand outwardly, air intake diffusion part 12 is provided with marking 8, it is porch for instruction herein, the expansion end of air intake diffusion part 12 is square and is provided with turn-up portion 13, and turn-up portion 13 is connected with gas-particulate filter body by sealing ring 14；Described air inlet 1 is provided with air port ring for fixing 5, air port ring for fixing 5 one end is connected with blind cover ring for fixing 4, the other end is connected with the connecting portion 11 of air inlet 1, air port ring for fixing 5 is provided with rubber ring 7, blind cover ring for fixing 4 is provided with one group of clamping part 41 tilted, and its shape adapts with the card groove shape of blind cover；Described explosion-proof apparatus 2 two ends are fixing with air intake diffusion part 12 to be connected, and described air inlet filtering device 3 is arranged between explosion-proof apparatus 2 and connecting portion 11；Explosion-proof apparatus 2 includes the bursting diaphragm 22 being provided with one group of depressed part 21 and is arranged on the installing plate 23 of bursting diaphragm 22 both sides, also it is arranged on the reinforcing plate 25 of the other both sides of bursting diaphragm 22, wherein the two side of depressed part 21 is designed with one group of air vent 24, installing plate 23 is connected with air intake diffusion part 12, and reinforcing plate 25 is arranged on the two ends of one group of depressed part 21；Bursting diaphragm 22 is provided with exciter 6, and the junction of bursting diaphragm 22 both sides and installing plate 23 is provided with exciter support 61, wherein the setting direction of exciter support 61 is consistent with the depression direction of depressed part 21, and exciter 6 embeds and is arranged between exciter support 61 and depressed part 21；Exciter 6 is additionally provided with exciter pressing plate 62, it is provided with, in the middle of exciter pressing plate 62, the groove adapted with exciter 6 shape, it is respectively arranged at two ends with screw hole, and be connected with bottom and the exciter support 61 of depressed part 21 by screw, wherein it is equipped with corresponding screwed hole on the bottom of depressed part 21 and exciter support 61；It addition, the exciter 6 being arranged between middle two depressed parts 21 of bursting diaphragm 22, its exciter pressing plate 62 two ends are fixed on the bottom of two depressed parts 21 also by screw；Air inlet filtering device 3 quantity is identical with depressed part 21 quantity, and it is arranged among the depressed part 21 of explosion-proof apparatus 2.
Embodiment 2
The second embodiment of a kind of air inlet device for people's air defense special filtering absorber of the present utility model, as it is shown on figure 3, air inlet filtering device 3 takes the shape of a bag, and is provided with bag mouth ring for fixing 31 at bag mouth, wherein bag mouth ring for fixing 31 is connected with air port ring for fixing 5.Other structures are same as in Example 1.
The above is only preferred implementation of the present utility model; it is noted that for those skilled in the art, on the premise of without departing from this utility model principle; can also make some improvement, these improvement also should be regarded as protection domain of the present utility model.
Claims (10)
1. the air inlet device for people's air defense special filtering absorber, it is characterized in that: include air inlet (1), explosion-proof apparatus (2), air inlet filtering device (3) and blind cover ring for fixing (4), wherein air inlet (1) end is provided with the connecting portion (11) of annular, and centre is provided with air intake diffusion part (12) that is tapered and that expand outwardly；Described air inlet (1) is provided with air port ring for fixing (5), and air port ring for fixing (5) one end is connected with blind cover ring for fixing (4), and the other end is connected with the connecting portion (11) of air inlet (1)；Described explosion-proof apparatus (2) two ends are fixing with air intake diffusion part (12) to be connected, and described air inlet filtering device (3) is arranged between explosion-proof apparatus (2) and connecting portion (11).
A kind of air inlet device for people's air defense special filtering absorber the most according to claim 1, it is characterized in that: described explosion-proof apparatus (2) includes the bursting diaphragm (22) with one group of depressed part (21) and is arranged on the installing plate (23) of bursting diaphragm (22) both sides, wherein the two side of depressed part (21) is designed with one group of air vent (24), and installing plate (23) is connected with air intake diffusion part (12).
A kind of air inlet device for people's air defense special filtering absorber the most according to claim 2, it is characterized in that: described bursting diaphragm (22) is provided with exciter (6), and the junction of bursting diaphragm (22) both sides and installing plate (23) is provided with exciter support (61), wherein the setting direction of exciter support (61) is consistent with the depression direction of depressed part (21), and exciter (6) embeds and is arranged between exciter support (61) and depressed part (21).
A kind of air inlet device for people's air defense special filtering absorber the most according to claim 1, it is characterized in that: the expansion end of described air intake diffusion part (12) is square and is provided with turn-up portion (13), and turn-up portion (13) is connected with gas-particulate filter body by sealing ring (14).
A kind of air inlet device for people's air defense special filtering absorber the most according to claim 1, it is characterised in that: described blind cover ring for fixing (4) is provided with one group of clamping part (41) tilted, and its shape adapts with the card groove shape of blind cover.
A kind of air inlet device for people's air defense special filtering absorber the most according to claim 2, it is characterised in that: described air inlet filtering device (3) is arranged among the depressed part (21) of explosion-proof apparatus (2).
A kind of air inlet device for people's air defense special filtering absorber the most according to claim 1, it is characterized in that: described air inlet filtering device (3) takes the shape of a bag, and at bag mouth, it is provided with bag mouth ring for fixing (31), wherein bag mouth ring for fixing (31) is connected with air port ring for fixing (5).
A kind of air inlet device for people's air defense special filtering absorber the most according to claim 1, it is characterised in that: described air port ring for fixing (5) is provided with rubber ring (7).
A kind of air inlet device for people's air defense special filtering absorber the most according to claim 3, it is characterized in that: described exciter (6) is additionally provided with exciter pressing plate (62), being provided with, in the middle of exciter pressing plate (62), the groove adapted with exciter (6) shape, two ends are connected with bottom and the exciter support (61) of depressed part (21) respectively.
A kind of air inlet device for people's air defense special filtering absorber the most according to claim 2, it is characterised in that: described explosion-proof apparatus (2) is provided with reinforcing plate (25), and wherein reinforcing plate (25) is arranged on the two ends of one group of depressed part (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620476422.0U CN205495179U (en) | 2016-05-24 | 2016-05-24 | A air intake device for special gas particulate filter of people's air defense |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620476422.0U CN205495179U (en) | 2016-05-24 | 2016-05-24 | A air intake device for special gas particulate filter of people's air defense |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205495179U true CN205495179U (en) | 2016-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620476422.0U Expired - Fee Related CN205495179U (en) | 2016-05-24 | 2016-05-24 | A air intake device for special gas particulate filter of people's air defense |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205495179U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108167995A (en) * | 2017-12-05 | 2018-06-15 | 重庆北金人防工程设备有限公司 | For the ventilation filter device of civil air defense constructions and installations |
| CN110787586A (en) * | 2019-11-05 | 2020-02-14 | 西安北方惠安防化设备有限公司 | Antichemical filter absorber |
-
2016
- 2016-05-24 CN CN201620476422.0U patent/CN205495179U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108167995A (en) * | 2017-12-05 | 2018-06-15 | 重庆北金人防工程设备有限公司 | For the ventilation filter device of civil air defense constructions and installations |
| CN110787586A (en) * | 2019-11-05 | 2020-02-14 | 西安北方惠安防化设备有限公司 | Antichemical filter absorber |
| CN110787586B (en) * | 2019-11-05 | 2022-03-04 | 西安北方惠安防化设备有限公司 | Antichemical filter absorber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Pukou District of Nanjing City, Jiangsu province 210000 City Industrial Park within the city of disc Street No. 8 Patentee after: Cathay Pacific Air Defence Equipment Co., Ltd. Address before: Pukou District of Nanjing City, Jiangsu province 210000 City Industrial Park within the city of disc Street No. 8 Patentee before: Nanjing Guo Tai Civil Air Defense Equipment Co., Ltd. |
|
| CB03 | Change of inventor or designer information |
Inventor after: Wang Genbin Inventor before: Li Baojun |
|
| CB03 | Change of inventor or designer information | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20200524 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |