CN113398503B - Protective cover for rocket propellant operation - Google Patents
Protective cover for rocket propellant operation Download PDFInfo
- Publication number
- CN113398503B CN113398503B CN202110536822.1A CN202110536822A CN113398503B CN 113398503 B CN113398503 B CN 113398503B CN 202110536822 A CN202110536822 A CN 202110536822A CN 113398503 B CN113398503 B CN 113398503B
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- Prior art keywords
- ring seat
- ring
- fixedly connected
- hole
- spliced pole
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- 230000001681 protective effect Effects 0.000 title claims abstract description 39
- 239000003380 propellant Substances 0.000 title claims abstract description 36
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 230000000452 restraining effect Effects 0.000 claims abstract description 12
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 7
- 239000003053 toxin Substances 0.000 claims abstract description 5
- 231100000765 toxin Toxicity 0.000 claims abstract description 5
- 230000000241 respiratory effect Effects 0.000 claims description 17
- 231100000614 poison Toxicity 0.000 claims description 15
- 239000002574 poison Substances 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 abstract description 16
- 238000011179 visual inspection Methods 0.000 abstract 1
- 238000007689 inspection Methods 0.000 description 8
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 4
- 238000010030 laminating Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical class ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- WFPZPJSADLPSON-UHFFFAOYSA-N dinitrogen tetraoxide Chemical compound [O-][N+](=O)[N+]([O-])=O WFPZPJSADLPSON-UHFFFAOYSA-N 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- RHUYHJGZWVXEHW-UHFFFAOYSA-N 1,1-Dimethyhydrazine Chemical compound CN(C)N RHUYHJGZWVXEHW-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- HDZGCSFEDULWCS-UHFFFAOYSA-N monomethylhydrazine Chemical compound CNN HDZGCSFEDULWCS-UHFFFAOYSA-N 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/02—Masks
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
- A62B18/082—Assembling eyepieces, lenses or vision-correction means in or on gas-masks
-
- B08B1/143—
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/14—Drying solid materials or objects by processes not involving the application of heat by applying pressure, e.g. wringing; by brushing; by wiping
Landscapes
- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Molecular Biology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Zoology (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention belongs to the field of wearable protective devices, and particularly relates to a protective cover for rocket propellant operation, which comprises a cover body, a fixing device, a toxin filtering component and a breathing component, wherein the cover body comprises a top cover, a viewing window and a ring seat, the top of the ring seat is provided with a connecting groove, the bottom of the viewing window is integrally formed with a connecting ring, the inner side of the ring seat is fixedly connected with an air bag ring, the bottom of the air bag ring is provided with an inflation head, a clearing component is fixedly connected onto the ring seat and comprises two arc clearing plates, the two arc clearing plates are respectively positioned at the inner side and the outer side of the viewing window, the fixing device comprises a jacket, the jacket comprises a shoulder restraining belt and a chest restraining belt, the shoulder restraining belt is fixedly connected with the chest restraining belt, the ring seat is connected with the shoulder restraining belt in a sliding manner, and a supporting bar is fixedly connected to the front side of the shoulder restraining belt. The protective mask is used for solving the problems that in the prior art, the weight of the protective mask is borne by the head of a worker, the protective mask is very easy to fatigue, the visual field of the worker is narrow, and the sight of the worker is influenced by the fogging, incomplete, scratch and the like of a visual inspection window.
Description
Technical Field
The invention belongs to the field of wearable protective devices, and particularly relates to a protective cover for rocket propellant operation.
Background
At present, liquid rocket propellants used in China are mainly nitroxide (27S nitric acid and dinitrogen tetroxide) and hydrazine fuels (unsym-dimethylhydrazine, methyl hydrazine and anhydrous hydrazine). The hydrazine fuel and the nitroxide have low boiling points, are easy to volatilize, have strong corrosivity and strong absorption penetrability, are all toxic substances with more than three levels, and belong to military industrial poisons. Therefore, in order to prevent poisoning, the staff needs to use the corresponding personal safety protection equipment when working with liquid propellant. Personal protective equipment is divided into respiratory protective equipment and skin protective equipment, as well as protective masks and protective clothing.
However, when workers wear protective masks to carry out propellant operation, the following problems are found to exist:
firstly, the weight of the protective mask is borne by the head of a worker, and the protective mask is driven to rotate together by rotating the head, so that the protective mask is easy to fatigue;
secondly, the observation window of the protective mask is small, and the visual field is narrow; the inner side surface of the observation window can be fogged, and the visual field definition is reduced; after the propellant is adsorbed on the inspection window, the inspection window can be corroded, so that the inspection window is incomplete, and the observation of workers is influenced; so as to reduce the efficiency of propellant operation and prolong the operation time.
Disclosure of Invention
The purpose of the invention is: the protective cover for rocket propellant operation is used for solving the problems that in the prior art, the weight of the protective cover is borne by the head of a worker, the protective cover is very easy to fatigue, the visual field of the worker is narrow, and the visual line of the worker is affected by the fogging, incomplete, scratch and the like of a visual window.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
a protective cover for rocket propellant operation comprises a cover body, a fixing device, a toxin filtering component and a breathing component, wherein the cover body comprises a top cover, an observation window and a ring seat, the top cover is fixedly connected to the top of the observation window, the top of the ring seat is provided with a connecting groove, the bottom of the observation window is integrally formed with a connecting ring, the connecting ring is sealed and clamped in the connecting groove, the inner side of the ring seat is fixedly connected with an air bag ring, the bottom of the air bag ring is provided with an inflation head, the ring seat is fixedly connected with a clearing component, the clearing component comprises two arc clearing plates, the two arc clearing plates are respectively positioned at the inner side and the outer side of the observation window, the clearing plates are attached to the observation window, the fixing device comprises a jacket, the jacket comprises a shoulder strap and a chest restraining strap, the chest restraining strap is fixedly connected with the chest restraining strap, and the ring seat is slidably connected with the shoulder strap, the front side fixedly connected with support bar that restraints the baldric, install support piece on the support bar, support piece one end is connected with the support bar.
Further inject, strain the poison subassembly including straining poison box and air pump, the dorsal part fixedly connected with arc piece of restraint baldric, strain poison box fixed mounting on the arc piece, it is equipped with first air duct on the poison box to strain, be equipped with the mounting panel in the top cap, install the air pump on the mounting panel, first air duct passes the air inlet intercommunication of top cap and air pump, be equipped with first through-hole on the mounting panel, the gas outlet and the first through-hole intercommunication of air pump, be equipped with the battery on the mounting panel, the battery is connected with the air pump electricity.
Further inject, respiratory component includes respiratory mask and second air duct, be equipped with the fixed band on the respiratory mask, be equipped with one-way inlet port and one-way exhaust hole on the respiratory mask, second air duct and one-way exhaust hole intercommunication, integrated into one piece is equipped with the boss on the ring seat, the second through-hole has been seted up on the boss, the end seal of second air duct is inserted and is located in the second through-hole.
Further inject, the lid is installed to the internal lower extreme in the mounting panel of cover, the bottom integrated into one piece of mounting panel has the connecting cylinder, it is provided with first spliced pole to slide in the connecting cylinder, the top integrated into one piece of lid has the second spliced pole, be equipped with first spring between first spliced pole and the second spliced pole, first spring one end and first spliced pole fixed connection, the other end and second spliced pole fixed connection, the end of first spliced pole is equipped with spacing post, spacing hole has been seted up on the second spliced pole, spacing post is inserted and is located spacing downthehole.
Further, the air pump is provided with a press switch, and the press switch is positioned in the connecting cylinder.
Further inject, it has the slide rail to restraint integrated into one piece on the baldric, the spout has been seted up to the bottom of ring seat, the slide rail card is located in the spout, support piece includes first bracing piece and second bracing piece, the one end and the support bar of second bracing piece are articulated, the connecting hole has been seted up in the second bracing piece, the one end and the ring seat of first bracing piece are articulated, and the other end slides and inserts and locate in the connecting hole, be equipped with the second spring in the connecting hole, second spring one end and connecting hole bottom surface fixed connection, the other end and the terminal fixed connection of first bracing piece, the bottom surface and the top surface of straining the poison box of ring seat meet.
Further inject, be located the arc of observing the inboard window is clear away and is seted up the mounting groove on the board, install wireless communication device in the mounting groove.
The invention adopting the technical scheme has the advantages that:
1. by arranging the annular observation window, the visual field range of workers during propellant operation is effectively guaranteed; the inspection window is connected with the ring seat in a rotating and sealing mode, the inspection window is rotated through the arranged arc-shaped cleaning plates, and the two arc-shaped cleaning plates can wipe off mist on the inner side of the inspection window, dirt on the outer side of the inspection window and adsorbed propellant, so that the definition of workers in the visual field range is guaranteed; if the indelible deformity, the scratch and the like appear on the observation window, the observation window can be rotated by a certain angle, so that the deformity and the scratch on the observation window are staggered with the visual field range of workers, and the propellant operation efficiency of the workers is ensured.
2. Through setting up restraint baldric and restraint pectoral girdle, when dressing, through restraint baldric and restraint pectoral girdle with the firm wearing of protection casing on the staff, make the whole weight of protection casing add and hold in shoulder and chest, alleviate the weight that the staff head bore, the staff's of being convenient for head rotates, can switch the visual angle in a flexible way, comfort when promoting the staff and wearing protective mask, and then accelerate the process of staff propellant operation.
3. Through lid, first spliced pole, second spliced pole and first spring, when the staff head-lowering, the cover body can follow and incline together, avoids the staff head-lowering limited, makes staff's the field of vision further obtain promoting. And through the supporting piece, when the worker raises the head, the second spring releases pressure, so that the first supporting rod moves upwards, and the worker can drive the cover body to reset conveniently.
4. Through setting up press switch and first spliced pole, when staff's head upwards promoted the lid, first spliced pole meets with press switch to press switch, make the air pump begin work, when staff takes off protective face mask, press switch loses pressure, air pump self-closing realizes air pump automatic switch.
Drawings
The invention is further illustrated by the non-limiting examples given in the accompanying drawings;
FIG. 1 is a schematic view of a protective cover for rocket propellant operation according to the present invention;
FIG. 2 is a schematic view of the interior of a protective cover for rocket propellant operation according to the present invention;
FIG. 3 is a schematic cross-sectional view of a protective cover for rocket propellant operation according to the present invention;
FIG. 4 is an enlarged schematic view of A in FIG. 3;
FIG. 5 is an enlarged view of B in FIG. 3;
FIG. 6 is a schematic view of a disassembled structure of a protective cover for rocket propellant operation according to the present invention;
FIG. 7 is a schematic structural diagram of a ring seat in a protective cover for rocket propellant operation according to the present invention.
The main element symbols are as follows:
the mask body 1, the top cover 11, the viewing window 12, the connecting ring 121, the ring seat 13, the connecting groove 131, the boss 132, the second through hole 133, the sliding groove 134, the airbag ring 14, the inflation head 141, the arc-shaped clearing plate 15, the mounting groove 151, the jacket 2, the restraint strap 21, the support bar 211, the arc block 212, the sliding rail 213, the restraint chest strap 22, the support 23, the first support bar 231, the second support bar 232, the connecting hole 233, the second spring 234, the toxin filtering component, the toxin filtering box 31, the first air duct 311, the air pump 32, the press switch 321, the breathing component 4, the breathing mask 41, the fixing band 411, the one-way air inlet 412, the one-way air outlet 413, the second air duct 42, the mounting plate 5, the first through hole 51, the battery 52, the connecting cylinder 53, the cover body 6, the first connecting column 61, the limiting column 611, the second connecting column 62, the limiting hole 621 and the first spring 63.
Detailed Description
The present invention will be described in detail with reference to the drawings and specific embodiments, wherein like reference numerals are used for similar or identical parts in the drawings or the description, and implementations not shown or described in the drawings are known to those of ordinary skill in the art. In addition, directional terms, such as "upper", "lower", "top", "bottom", "left", "right", "front", "rear", and the like, used in the embodiments are only directions referring to the drawings, and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 7, the protective cover for rocket propellant operation of the invention comprises a cover body 1, a fixing device, a poison filtering component and a breathing component 4, wherein the cover body 1 comprises a top cover 11, a viewing window 12 and a ring seat 13, the top cover 11 is fixedly connected to the top of the viewing window 12, the top of the ring seat 13 is provided with a connecting groove 131, the bottom of the viewing window 12 is integrally formed with a connecting ring 121, the connecting ring 121 is hermetically clamped in the connecting groove 131, and by arranging the annular viewing window 12, when a worker wears the protective cover to carry out propellant operation, the visual field range of the worker is effectively ensured.
The inboard fixedly connected with gasbag ring 14 of ring seat 13, the bottom of gasbag ring 14 is equipped with inflation head 141, and after the protection casing was worn to the staff, aerify gasbag ring 14 through inflation head 141, gasbag ring 14 inflation and with staff's neck laminating closely, realize sealed, prevent that volatile propellant from entering into inside the protective face mask.
The subassembly is clear away to fixedly connected with on the ring seat 13, clears away the subassembly and includes that two arcs clear away board 15, and two arcs clear away board 15 and are located the inside and outside both sides of observing window 12 respectively, and clear away the board and observe the laminating of window 12. When stains are on the observation window 12, the observation window 12 can be rotated, and the stains on the observation window 12 can be wiped off through the two arc-shaped cleaning plates 15. If the observation window 12 has the indelible stains, scratches and the like, the observation window 12 can be rotated by a certain angle, so that the stains and the scratches are prevented from affecting the sight of workers, the definition of the workers in the visual field during propellant operation is guaranteed, and the work efficiency of the propellant operation is improved.
The fixing device comprises a jacket 2, the jacket 2 comprises a shoulder-binding belt 21 and a chest-binding belt 22, and when the protective cover is worn, the protective cover is firmly worn on a worker through the shoulder-binding belt 21 and the chest-binding belt 22. Restraint baldric 21 and restraint chest area 22 fixed connection, ring seat 13 and restraint baldric 21 sliding connection make the whole weight of protection casing add to hold in shoulder and chest, alleviate the weight that the staff head bore, the staff's of being convenient for head rotates, can switch the visual angle in a flexible way, and the staff is more comfortable when wearing, and then accelerates the process of propellant operation, avoids the staff to stay in propellant operation space for a long time. The front side fixedly connected with support bar 211 of restraint baldric 21, install support piece 23 on the support bar 211, support piece 23 one end is connected with support bar 211, and support piece 23 is used for supporting ring seat 13, avoids the cover body 1 to rotate at will.
The poison filtering component comprises a poison filtering box 31 and an air pump 32, the back side of the shoulder strap 21 is fixedly connected with an arc block 212, the poison filtering box 31 is fixedly installed on the arc block 212, a first air duct 311 is arranged on the poison filtering box 31, a mounting plate 5 is arranged in a top cover 11, an air pump 32 is installed on the mounting plate 5, the first air duct 311 penetrates through an air inlet of the top cover 11 and the air pump 32 to be communicated, a first through hole 51 is formed in the mounting plate 5, an air outlet of the air pump 32 is communicated with the first through hole 51, a battery 52 is arranged on the mounting plate 5, and the battery 52 is electrically connected with the air pump 32. After the protection casing is worn and is accomplished, air pump 32 work, and external gas gets into toxicity filtering box 31, filters the back through toxicity filtering box 31, enters into air pump 32 by first air duct 311, and air pump 32 will filter the gas after through the gas outlet pump go into cover body 1 in, for the staff provides oxygen, and cover body 1 is interior to be the malleation state, does benefit to the staff and breathes.
Respiratory component 4 includes respiratory mask 41 and second air duct 42, is equipped with fixed band 411 on respiratory mask 41, is equipped with one-way inlet hole 412 and one-way exhaust hole 413 on respiratory mask 41, and second air duct 42 and one-way exhaust hole 413 intercommunication, integrated into one piece are equipped with boss 132 on the ring seat 13, have seted up second through-hole 133 on the boss 132, and the end seal of second air duct 42 inserts and locates in second through-hole 133. Second air duct 42 length is longer in this embodiment, before wearing the protection casing, can take out respiratory mask 41 earlier, wears respiratory mask 41 in staff's oronasal department through fixed band 411, and it can on one's body to dress the protection casing again. During breathing, air in the mask body 1 is sucked through the one-way air inlet hole 412, air is exhaled through the one-way air exhaust hole 413, and the exhaled air is exhausted out of the mask body 1 along the second air duct 42.
Install lid 6 in the lower extreme of mounting panel 5 in the cover body 1, the bottom integrated into one piece of mounting panel 5 has connecting cylinder 53, it is provided with first spliced pole 61 to slide in connecting cylinder 53, the top integrated into one piece of lid 6 has second spliced pole 62, be equipped with first spring 63 between first spliced pole 61 and the second spliced pole 62, first spring 63 one end and first spliced pole 61 fixed connection, the other end and second spliced pole 62 fixed connection, the end of first spliced pole 61 is equipped with spacing post 611, spacing hole 621 has been seted up on the second spliced pole 62, spacing post 611 is inserted and is located in spacing hole 621. When the worker wears the protective cover, the head of the worker is attached to the cover body 6; because the lid 6 is connected with the cover body 1 through first spliced pole 61, first spring 63 and second spliced pole 62, when the staff hangs down, the head can exert pressure to the lid 6, makes the cover body 1 follow staff's head slope, and the staff of being convenient for changes the visual angle. And the cover body 6 can be attached to heads with different heights by arranging the first spring 63.
The air pump 32 is provided with a push switch 321, and the push switch 321 is located in the connecting cylinder 53. When the cover 6 is pushed up by the head of the worker, the second connecting post 62 presses the first spring 63, the first spring 63 connects the first connecting post 61 with the push switch 321, and the push switch 321 is pressed to start the air pump 32 to work, and the filtered air is filled into the cover 1.
The shoulder strap 21 is integrally formed with a slide rail 213, the bottom of the ring seat 13 is provided with a slide groove 134, and the slide rail 213 is clamped in the slide groove 134. The sliding connection between the ring base 13 and the shoulder strap 21 is realized. When the worker lowers the head, the head of the worker drives the ring seat 13 to slide on the slide rail 213, so as to further increase the visual range of the worker. The supporting member 23 includes a first supporting rod 231 and a second supporting rod 232, one end of the second supporting rod 232 is hinged to the supporting rod 211, a connecting hole 233 is formed in the second supporting rod 232, one end of the first supporting rod 231 is hinged to the ring seat 13, the other end of the first supporting rod is slidably inserted into the connecting hole 233, a second spring 234 is arranged in the connecting hole 233, one end of the second spring 234 is fixedly connected to the bottom surface of the connecting hole 233, and the other end of the second spring 234 is fixedly connected to the tail end of the first supporting rod 231. When the worker lowers the head and drives the cover body 1 to incline, the first support rod 231 extrudes the second spring 234 to compress the second spring 234; when the worker lifts the head, the second spring 234 releases the pressure to move the first support rod 231 upward, so that the worker can drive the cover 1 to reset. The bottom surface of the ring seat 13 is connected with the top surface of the poison filtering box 31, so that the poison filtering box 31 is abutted against the ring seat 13 to prevent the cover body 1 from inclining backwards.
Be located and seted up mounting groove 151 on the inboard arc clearance board 15 of inspection window 12, install wireless communication device in the mounting groove 151, like bluetooth headset etc. make and normally communicate between the staff, promote work efficiency.
When the protective cover for rocket propellant operation is worn, the respiratory mask 41 is taken out firstly, the respiratory mask 41 is worn at the mouth and nose of a worker through the fixing belt 411, the protective cover is firmly worn on the body of the worker through the shoulder tying belt 21 and the chest tying belt 22, the head is attached to the cover body 6, the cover body 6 is jacked up, the second connecting post 62 extrudes the first spring 63, the first spring 63 enables the first connecting post 61 to be connected with the push switch 321, and the push switch 321 is pushed to start the air pump 32, the outside air enters the canister 31, after being filtered by the canister 31, enter into air pump 32 by first air duct 311, air pump 32 will filter gas and pump into cover body 1 through the gas outlet in, for the staff provides oxygen, aerify gasbag ring 14 through inflation head 141 afterwards, gasbag ring 14 inflation and with staff's neck laminating closely, realize sealedly.
When stains are on the observation window 12, the observation window 12 can be rotated, and the stains on the observation window 12 can be wiped off through the two arc-shaped cleaning plates 15. If the observation window 12 has the indelible dirt, scratch and the like, the observation window 12 can be rotated for a certain angle to avoid the dirt and the scratch from influencing the sight of the staff.
When the worker lowers the head, the cover body 1 inclines along with the head of the worker, and the visual range of the worker is further enlarged. And the first supporting rod 231 extrudes the second spring 234 to compress the second spring 234, when the worker lifts the head, the second spring 234 releases the pressure to move the first supporting rod 231 upwards, so that the worker drives the cover body 1 to reset.
The shield for rocket propellant operation according to the present invention is described in detail above. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core ideas. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (7)
1. A protective cover for rocket propellant operation comprises a cover body, a fixing device, a toxin filtering component and a breathing component, wherein the cover body comprises a top cover, an observation window and a ring seat, the top cover is fixedly connected to the top of the observation window, the top of the ring seat is provided with a connecting groove, the bottom of the observation window is integrally formed with a connecting ring, the connecting ring is sealed and clamped in the connecting groove, the inner side of the ring seat is fixedly connected with an air bag ring, the bottom of the air bag ring is provided with an inflation head, the ring seat is fixedly connected with a clearing component, the clearing component comprises two arc clearing plates, the two arc clearing plates are respectively positioned at the inner side and the outer side of the observation window, the clearing plates are attached to the observation window, the fixing device comprises a jacket, the jacket comprises a shoulder strap and a chest restraining strap, the chest restraining strap is fixedly connected with the chest restraining strap, and the ring seat is slidably connected with the shoulder strap, the front side fixedly connected with support bar that restraints the baldric, install support piece on the support bar, support piece one end is connected with the support bar.
2. The shield for rocket propellant operations as recited in claim 1, wherein: the gas filter comprises a gas filter box and an air pump, the back side of the strap is fixedly connected with an arc block, the gas filter box is fixedly installed on the arc block, a first gas guide tube is arranged on the gas filter box, a mounting plate is arranged in the top cover, the air pump is installed on the mounting plate, the first gas guide tube penetrates through the air inlet of the top cover and the air pump and is communicated with the air inlet, a first through hole is formed in the mounting plate, the gas outlet of the air pump is communicated with the first through hole, a battery is arranged on the mounting plate, and the battery is electrically connected with the air pump.
3. The shield for rocket propellant operations as recited in claim 2, wherein: the respiratory component comprises a respiratory mask and a second air duct, a fixing band is arranged on the respiratory mask, a one-way air inlet and a one-way exhaust hole are formed in the respiratory mask, the second air duct is communicated with the one-way exhaust hole, a boss is integrally formed on the ring seat, a second through hole is formed in the boss, and the tail end of the second air duct is hermetically inserted into the second through hole.
4. A rocket propellant working boot according to claim 3, wherein: the lid is installed in the lower extreme of mounting panel to the cover internal, the bottom integrated into one piece of mounting panel has the connecting cylinder, it is provided with first spliced pole to slide in the connecting cylinder, the top integrated into one piece of lid has the second spliced pole, be equipped with first spring between first spliced pole and the second spliced pole, first spring one end and first spliced pole fixed connection, the other end and second spliced pole fixed connection, the end of first spliced pole is equipped with spacing post, spacing hole has been seted up on the second spliced pole, spacing post is inserted and is located spacing downthehole.
5. The shield for rocket propellant operations as recited in claim 4, wherein: the air pump is provided with a press switch, and the press switch is positioned in the connecting cylinder.
6. The shield for rocket propellant operations as recited in claim 5, wherein: it has the slide rail to restraint integrated into one piece on the baldric, the spout has been seted up to the bottom of ring seat, the slide rail card is located in the spout, support piece includes first bracing piece and second bracing piece, the one end and the support bar of second bracing piece are articulated, set up the connecting hole in the second bracing piece, the one end and the ring seat of first bracing piece are articulated, and the other end slides and inserts and locate in the connecting hole, be equipped with the second spring in the connecting hole, second spring one end and connecting hole bottom surface fixed connection, the other end and the terminal fixed connection of first bracing piece, the bottom surface and the top surface of straining the poison box of ring seat meet.
7. The shield for rocket propellant operations as recited in claim 6, wherein: the arc-shaped clearing plate positioned on the inner side of the observation window is provided with a mounting groove, and a wireless communication device is mounted in the mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110536822.1A CN113398503B (en) | 2021-05-17 | 2021-05-17 | Protective cover for rocket propellant operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110536822.1A CN113398503B (en) | 2021-05-17 | 2021-05-17 | Protective cover for rocket propellant operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113398503A CN113398503A (en) | 2021-09-17 |
| CN113398503B true CN113398503B (en) | 2022-04-26 |
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| CN202110536822.1A Active CN113398503B (en) | 2021-05-17 | 2021-05-17 | Protective cover for rocket propellant operation |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1210882A2 (en) * | 2000-12-04 | 2002-06-05 | Gentex Corporation | Custom fitting assembly for helmet with protective hood |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1210882A2 (en) * | 2000-12-04 | 2002-06-05 | Gentex Corporation | Custom fitting assembly for helmet with protective hood |
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| CN113398503A (en) | 2021-09-17 |
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