CN114306970B - Air tightness self-checking type antichemical clothes with air tightness detection equipment - Google Patents
Air tightness self-checking type antichemical clothes with air tightness detection equipment Download PDFInfo
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- CN114306970B CN114306970B CN202210012105.3A CN202210012105A CN114306970B CN 114306970 B CN114306970 B CN 114306970B CN 202210012105 A CN202210012105 A CN 202210012105A CN 114306970 B CN114306970 B CN 114306970B
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Abstract
The invention discloses an air tightness self-checking chemical protective clothing with air tightness detection equipment, and belongs to the technical field of chemical protective clothing detection. The invention comprises chemical protective clothing, an inflation valve and a detection assembly, wherein the inflation valve is arranged on the chemical protective clothing, the chemical protective clothing is also provided with a pressure measuring port, the detection assembly is connected with the chemical protective clothing through the inflation valve and the pressure measuring port, the inflation valve is used for controlling the pressure inside the chemical protective clothing, the detection assembly detects whether the chemical protective clothing leaks or not, in the invention, a zipper is divided into a section of mutually isolated space by using a sealing strip, when the leakage exists, leakage point gas is gathered between the sealing strips at two ends, so that the gas pressure between the sealing strips at two ends is increased, the gas rushes off the connection between a polar plate and a conductive electrode, so that an indicator light circuit is disconnected, the electrode connection part in the indicator light circuit is separated by using the leaked gas pressure, the leakage point is quickly positioned according to the position of the indicator light, the manual point-by-point inspection is avoided, and the function of self-checking of the gas tightness of the chemical protective clothing is realized.
Description
Technical Field
The invention relates to the technical field of chemical protective clothing detection, in particular to air tightness self-checking chemical protective clothing with air tightness detection equipment.
Background
The chemical protective clothing is a common protective tool, and can prevent external toxic and harmful substances from invading a human body when workers enter a polluted area or a dangerous area for operation.
The most common method is to use a pressure instrument to detect the air tightness of the chemical protective clothing, an air outlet on the chemical protective clothing is opened, whether the chemical protective clothing leaks or not is judged by observing the loss value of air pressure in the chemical protective clothing within a set time after the air is filled into the chemical protective clothing, and because the position of a measuring point is fixed, even if the chemical protective clothing leaks, the positions of the leakage points possibly exist need to be checked one by a worker, wherein the leakage is most easily caused at the zipper of the chemical protective clothing and the joint of the chemical protective clothing and a face screen, the leakage points are difficult to quickly determine, certain trouble is brought for subsequent remediation, and the use of a user is influenced.
Disclosure of Invention
The invention aims to provide an air tightness self-checking chemical protective clothing with air tightness detection equipment, which is used for solving the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a carry gas tightness self-checking type antichemical clothes of gas tightness check out test set, includes antichemical clothes, inflation valve, determine module, the inflation valve sets up on antichemical clothes, still be provided with the pressure measurement mouth on the antichemical clothes, determine module passes through inflation valve and pressure measurement mouth and is connected with antichemical clothes, the inflation valve is used for controlling the inside pressure of antichemical clothes, determine module detects the atmospheric pressure in the antichemical clothes.
Furthermore, the chemical defense suit comprises a coat, an inflation valve and a pressure measuring port are arranged on the coat, the detection assembly comprises a gas cylinder and a gas gun, an inflation pipe is connected between the gas cylinder and the gas gun, a magnetic suction flange is arranged at the gas injection port of the gas gun and is adsorbed with the inflation valve, and a rubber ring is arranged between the magnetic suction flange and the inflation valve;
the detection assembly further comprises a differential pressure gauge, two pipeline connectors are arranged on the differential pressure gauge, a pressure measuring pipe is connected onto one pipeline connector on the differential pressure gauge, the other pipeline connector on the differential pressure gauge is communicated with the atmosphere, one end of the pressure measuring pipe is connected with a magnetic suction flange, the magnetic suction flange on the pressure measuring pipe is adsorbed to a pressure measuring port, a rubber ring is arranged between the magnetic suction flange and the pressure measuring port, the magnetic suction flange on an air gun is adsorbed to an inflation valve, the rubber ring is compressed between the magnetic suction flange and the inflation valve to play a sealing role, a plugging plug at the pressure measuring port is taken out, the magnetic suction flange on the pressure measuring pipe is adsorbed to the pressure measuring port, the rubber ring is compressed between the magnetic suction flange and the pressure measuring port to play a sealing role, a switch of the air bottle is opened, the air gun is used for inflating, gas in the air bottle passes through the inflation pipe and then is introduced into the chemical protective suit from the inflation valve, the inflation valve is closed when the inflation pressure is reached, the differential pressure gauge starts timing, the pressure gauge calculates the loss amount by comparing the large air pressure with the internal inflation pressure of the chemical protective suit, and judges whether the air tightness of the chemical protective suit is qualified.
Furthermore, the inflation valve comprises a valve body, the valve body is arranged at the back of the jacket, the interior of the valve body is communicated, a ball valve core is arranged at the through position, the ball valve core plugs the through position, a rotating shaft is arranged on the ball valve core, the rotating shaft is rotatably arranged in the valve body, a gear is arranged at one end of the rotating shaft, a circular groove is formed in one surface, facing the interior of the chemical protective clothing, of the valve body, a piston is slidably arranged in the circular groove, a rack is connected to the piston, the rack is in meshing transmission with the gear, when the inflation pressure in the chemical protective clothing is detected, the piston is pushed by air pressure after the inflation pressure in the chemical protective clothing reaches a preset value, the rack pushes the gear to rotate, the gear drives the ball valve core to rotate through the rotating shaft, the through position of the valve body is plugged by the ball valve core, the air in the air bottle cannot enter the chemical protective clothing, the inflation pressure in the chemical protective clothing is controlled, the overpressure of the pressure difference meter is avoided, the service life of the pressure difference meter is prolonged, and the measurement precision of the pressure difference meter is improved.
Further, a top plate is arranged at one end, away from the piston, of the rack, a top plate spring is arranged between the top plate and the valve body, a notch is formed in the rack, a limiting block is rotatably installed on the valve body, the spring is connected between the limiting block and the valve body, the limiting block and the notch are clamped, a rectangular sliding groove is formed in the limiting block, a connecting rod is slidably installed in the valve body, cylindrical shifting pins are arranged at two ends of the connecting rod, one cylindrical shifting pin is slidably installed in the rectangular sliding groove, in the process of air tightness detection of the chemical protective clothing through a pressure difference meter, pressure change inside the chemical protective clothing needs to be continuously measured, when the pressure of inflation of the chemical protective clothing reaches a preset value, the piston is pushed, the notch in the rack and the limiting block are clamped, the rack and the piston are locked, when the internal pressure of the chemical protective clothing gradually drops, the piston does not move, the through position of the valve body is always kept with the ball valve core, the inflation valve is automatically turned off after the preset pressure is reached, and the air pressure inside the chemical protective clothing drops to realize self-locking in the measuring process, and the detection requirement is met.
Furthermore, an unlocking groove is formed in one side, facing the outside, of the valve body, an unlocking head is arranged in the unlocking groove, an unlocking head is arranged on a magnetic flange on the air gun and matched with the unlocking groove, an arched sliding groove and a straight sliding groove are formed in the unlocking head, a spring plate is arranged at the position, communicated with the straight sliding groove, of the front end of the arched sliding groove, the cylindrical shifting pin slides in the arched sliding groove and the straight sliding groove, a magnetic flange on the air gun is adsorbed on the inflation valve, the unlocking head extends into the unlocking groove, the cylindrical shifting pin in the unlocking groove is shifted into the straight sliding groove, the cylindrical shifting pin is jacked up by the spring plate and slides into the arched sliding groove along with the continued extension of the unlocking head, the arched sliding groove lifts the connecting rod through the cylindrical shifting pin, the lower end of the connecting rod lifts up the limiting block through the cylindrical shifting pin, the lifting up of the rack is released after the limiting block is lifted up, the jacking plate spring pushes the top plate to reset the rack and the piston, the rack rotates in the moving process, the gear drives the core to rotate, the valve core to open the valve, the valve body, the lifting up of the inflation valve, the anti-up pneumatic valve, and the anti-up pneumatic clothes are capable of opening detection safety clothes, and the safety clothes are improved in each time.
Further, the chemical protective clothing comprises gloves, trousers and galoshes, the upper garment, the gloves, the trousers and the galoshes are connected into a whole, the front portion of the upper garment is provided with a aestates, a zipper and a zipper head, the zipper head is used for opening and closing the zipper, and the aestates are used for closing the position of the zipper.
Furthermore, the edge of the selected pressure is provided with a plurality of sections of hook locks, the position of the upper garment corresponding to each section of hook lock is provided with an elastic hook, the elastic hooks are matched with the hook locks, polar plates are arranged between each section of the hook locks, conductive electrodes are arranged between each section of the elastic hooks, each polar plate is contacted with each corresponding conductive electrode, the switch is also provided with a plurality of indicating lamps, each indicating lamp is connected with one pole plate and one conducting electrode circuit, the contact of the pole plates and the conductive electrodes controls the on-off of the indicator lamp circuit, a plurality of sealing strips are arranged at the contact positions of the aestates and the zippers, each sealing strip is positioned between the two pole plates, the connection is carried out by utilizing the connecting mode of the zippers, the leakage is easy to occur, the hook lock on the selected lock is matched with the elastic hook on the jacket at the position of the zipper to ensure the tight connection between the selected lock and the jacket, the zipper is divided into a plurality of sections of mutually isolated spaces by the sealing strips, under the condition that no leakage exists at the zipper, the polar plate is contacted with the conductive electrode, all indicator light circuits are kept on, the indicator lights are kept on, when the zipper has leakage, the leakage point gas is gathered between the sealing strips at the two ends to cause the air pressure between the sealing strips at the two ends to be increased, because the sealing connection between the hook lock and the elastic hook is tighter, after the gas pressure is further increased, the contact position of the polar plate and the conductive electrode becomes a weak connection position, the gas breaks the connection between the polar plate and the conductive electrode, the indicating lamp circuit is disconnected, the indicating lamp is extinguished, the electrode connection position in the indicating lamp circuit is separated by utilizing the leaked gas pressure, according to the position of the indicator light, the leakage point is quickly positioned for complementing, and manual point-by-point troubleshooting is avoided.
Further, the antichemical clothes still includes the face screen, the face screen nestification is in the headgear department of jacket, be provided with circuit leakage detection subassembly between face screen and the headgear, circuit leakage detection subassembly includes a plurality of sections sheetmetal, a plurality of sections contact piece, a plurality of sections the sheetmetal encircles the edge that sets up at the face screen, and a plurality of weak points the contact piece encircles and sets up on the headgear, every section sheetmetal and every section the contact piece is contact connection each other, the junction of headgear and face screen is provided with the pilot lamp, every the pilot lamp all is connected with a sheetmetal and a contact piece circuit, the break-make of the contact control pilot lamp circuit of sheetmetal and face screen, headgear and the junction of face screen are that another department that antichemical clothes and other material carry out the connection easily takes place the position of revealing, if take place to reveal between headgear and the face screen, reveal dew point gas can block the connection between sheetmetal and the contact piece, and the pilot lamp of connection in same circuit behind the contact piece and the contact piece disconnection will extinguish, utilize the gas pressure of revealing to break the connection of sheetmetal and contact piece, make the pilot lamp extinguish, help to investigate fast.
Compared with the prior art, the invention has the following beneficial effects:
1. the anti-chemical suit inflation pressure control device has the advantages that an unlocking head is used for replacing an unlocking valve core during inflation detection, when the anti-chemical suit is inflated to reach set pressure, the piston is used for pushing the rack to drive the gear to rotate to close the ball valve core, meanwhile, the notch in the rack is clamped with the limiting block to lock the rack and the piston, the through position of the ball valve core is kept to block the valve body all the time, the inflation valve is automatically turned off after preset pressure is reached, the air pressure in the anti-chemical suit is lowered in the measurement process to achieve self-locking, the detection requirement is met, the inflation pressure of the anti-chemical suit is controllable, overpressure use of a differential pressure gauge is avoided, the service life of the differential pressure gauge is prolonged, the measurement precision of the differential pressure gauge is improved, the unlocking head is used for replacing the inflation valve only during inflation detection, the inflation valve is guaranteed to be kept closed in the use process of the anti-chemical suit every time, and the use safety of the anti-chemical suit is improved.
2. The pressure lock on the zipper is matched with the elastic hook on the jacket, so that the pressure lock is tightly connected with the jacket, certain air tightness is ensured, the zipper is divided into a plurality of sections of mutually isolated spaces by using the sealing strips, dew point leaking gas is gathered between the sealing strips at two ends under the condition that the zipper leaks, so that the air pressure between the sealing strips at two ends is increased, the sealing connection between the hook lock and the elastic hook is tight, the contact part of the polar plate and the conductive electrode becomes the weak part for connection, the polar plate and the conductive electrode are flushed by the gas, the indicating lamp circuit is disconnected, the indicating lamp is extinguished, the electrode connection part in an indicating lamp circuit is separated by using the leaked gas pressure, the dew point leaking position is quickly positioned to complement, manual checking is avoided, and the function of preventing chemical clothing air tightness is realized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the hermeticity test of the present invention;
FIG. 3 is a schematic view of the valve body structure of the present invention;
FIG. 4 is an enlarged view of a portion of the invention in the area B of FIG. 3;
FIG. 5 is a schematic view of the structure of the zipper part of the present invention;
FIG. 6 is a schematic view of the structure of the zipper part of the present invention;
FIG. 7 is a schematic circuit diagram of the indicator light of the present invention;
FIG. 8 is a schematic view of the attachment of the face screen to the coat according to the present invention;
in the figure: 1. a face screen; 2. a coat; 3. a glove; 4. trousers; 5. a boot; 6. the selected picture is pressed; 701. a zipper; 702. a slider of a zipper fastener; 8. a gas cylinder; 9. an inflation tube; 10. an air gun; 111. magnetically attracting the flange; 112. an unlocking head; 12. a rubber ring; 13. a valve body; 141. a ball valve core; 142. a rotating shaft; 143. a gear; 151. a piston; 152. a rack; 153. a top plate; 154. a roof spring; 16. a limiting block; 17. a connecting rod; 18. a differential pressure gauge; 19. a piezometric tube; 20. an elastic hook; 21. hooking and locking; 221. a polar plate; 222. a conductive electrode; 23. an indicator light; 24. a metal sheet; 25. and a contact sheet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 8, the present invention provides a technical solution: the utility model provides a carry gas tightness self-checking type antichemical clothes of gas tightness check out test set, including antichemical clothes, the inflation valve, a detection component, the inflation valve sets up on antichemical clothes, antichemical clothes still is provided with the pressure measurement mouth, a detection component passes through the inflation valve and the pressure measurement mouth is connected with antichemical clothes, antichemical clothes includes gloves 3, trousers 4, cover boots 5, jacket 2 and gloves 3, trousers 4, cover boots 5 connect into an entirety, the front portion of jacket 2 is provided with has the pressure select 6, zip fastener 701, draws zipper head 702, draw zipper head 702 opens and shuts zip fastener 701, the position of pressure select 6 to the zip fastener 701 seals.
An unlocking groove is formed in one side, facing the outside, of the valve body 13, another cylindrical poking pin is located in the unlocking groove, an unlocking head 112 is arranged on a magnetic suction flange 111 on the air gun 10, the unlocking head 112 is matched with the unlocking groove, an arched sliding groove and a straight sliding groove are formed in the unlocking head 112, a spring plate is arranged at the position, communicated with the straight sliding groove, of the front end of the arched sliding groove, the cylindrical poking pin slides in the arched sliding groove and the straight sliding groove, the magnetic suction flange 111 on the air gun 10 is adsorbed to the air charging valve, the unlocking head 112 extends into the unlocking groove, the cylindrical poking pin located in the unlocking groove is poked into the straight sliding groove, along with the continuous extension of the unlocking head 112, the cylindrical poking pin is jacked up by the spring plate and slides into the arched sliding groove, the arched sliding groove lifts the connecting rod 17 through the cylindrical poking pin, the lower end of the connecting rod 17 lifts the limiting block 16 through the cylindrical poking pin, after the limiting block 16 is lifted, the lifting of the rack 152 is released under the jacking effect of the jacking spring 154, the jacking plate spring 154 pushes the jacking plate 153 to enable the rack 152 and the piston 151 to reset, the gear 143 to drive the ball valve body to open the ball valve core 141 again, and the anti-turn the anti-rotation gun 10 to pass through the ball valve core 141, and the detection valve body 141, and the detection device 13.
The antichemical clothes comprises a jacket 2, an inflation valve and a pressure measuring port are arranged on the jacket 2, a detection component comprises an air bottle 8 and an air gun 10, an inflation pipe 9 is connected between the air bottle 8 and the air gun 10, a magnetic suction flange 111 is arranged at the air injection port of the air gun 10, the magnetic suction flange 111 and the inflation valve are adsorbed, a rubber ring 12 is arranged between the magnetic suction flange 111 and the inflation valve, the detection component also comprises a pressure difference meter 18, two pipeline connectors are arranged on the pressure difference meter 18, a pressure measuring pipe 19 is connected on one pipeline connector on the pressure difference meter 18, the other pipeline connector on the pressure difference meter 18 is communicated with the atmosphere, one end of the pressure measuring pipe 19 is connected with the magnetic suction flange 111, the magnetic suction flange 111 on the pressure measuring pipe 19 is adsorbed with the pressure measuring port, and the rubber ring 12 is arranged between the magnetic suction flange 111 and the pressure measuring port, the method comprises the steps that a magnetic flange 111 on an air gun 10 is adsorbed to an inflation valve, a rubber ring 12 is tightly pressed between the magnetic flange 111 and the inflation valve to achieve a sealing effect, a plugging plug at a pressure measuring port is taken out, the magnetic flange 111 on a pressure measuring pipe 19 is adsorbed to the pressure measuring port, the rubber ring 12 is tightly pressed between the magnetic flange 111 and the pressure measuring port to achieve a sealing effect, a switch of an air bottle 8 is opened, the air gun 10 is used for inflating, air in the air bottle 8 passes through an inflation pipe 9 and then is introduced into the chemical defense suit from the inflation valve, the inflation valve is closed when inflation pressure reaches 1750Pa, a pressure difference meter 18 starts timing, pressure loss is calculated by comparing atmospheric pressure with inflation pressure inside the chemical defense suit after 6 minutes, and if the pressure loss is less than 300Pa, the air tightness of the chemical defense suit is judged to be qualified.
One end of the rack 152, which is far away from the piston 151, is provided with a top plate 153, a top plate spring 154 is arranged between the top plate 153 and the valve body 13, a notch is formed in the rack 152, a limiting block 16 is rotatably installed on the valve body 13, a spring is connected between the limiting block 16 and the valve body 13, the limiting block 16 is clamped with the notch, a rectangular sliding groove is formed in the limiting block 16, a connecting rod 17 is slidably installed in the valve body 13, two ends of the connecting rod 17 are respectively provided with a cylindrical shifting pin, one cylindrical shifting pin is slidably installed in the rectangular sliding groove, in the process of performing airtight detection on the chemical protective clothing by using the differential pressure gauge 18, the pressure loss inside the chemical protective clothing needs to be measured continuously, when the inflation pressure of the chemical protective clothing reaches a preset value, the piston 151 is pushed, the notch in the rack 152 is clamped with the limiting block 16, the rack 152 and the piston 151 are locked, when the internal pressure of the chemical protective clothing gradually drops, the piston 151 cannot move, and the through position of the valve core 141 is always kept to plug the valve body 13.
The inflation valve comprises a valve body 13, the valve body 13 is arranged at the back of the coat 2, the interior of the valve body 13 is communicated, a ball valve core 141 is arranged at the communication position, the ball valve core 141 blocks the communication position, a rotating shaft 142 is arranged on the ball valve core 141, the rotating shaft 142 is rotatably arranged in the valve body 13, a gear 143 is arranged at one end of the rotating shaft 142, a circular groove is formed in one surface of the valve body 13, facing the interior of the chemical defense suit, a piston 151 is slidably arranged in the circular groove, a rack 152 is connected to the piston 151, the rack 152 is in meshing transmission with the gear 143, and when the chemical defense suit is inflated to be detected, after the inflation pressure in the chemical defense suit reaches a preset value, the piston 151 is pushed by air pressure, the rack 152 on the piston 151 moves along with the movement of the gear 152, the gear 143 pushes the gear 143 to drive the ball valve core 141 to rotate through the rotating shaft 142, the ball valve core 141 blocks the communication position of the valve body 13, and the gas in the gas bottle 8 cannot enter the chemical defense suit.
The edge of the selected 6 is provided with a plurality of section hook locks 21, the position of the coat 2 corresponding to each section hook lock 21 is provided with an elastic hook 20, the elastic hook 20 is matched with the hook lock 21, pole plates 221 are arranged between each section hook lock 21, conducting electrodes 222 are arranged between each section elastic hook 20, each pole plate 221 is contacted with each corresponding conducting electrode 222, a plurality of indicator lights 23 are also arranged on the selected 6, each indicator light 23 is electrically connected with one pole plate 221 and one conducting electrode 222, the contact of the pole plate 221 and the conducting electrode 222 controls the on-off of the indicator light 23, a plurality of sealing strips are arranged at the contact part of the selected 6 and the zipper 701, each sealing strip is positioned between the two pole plates 221, the connection is easy to leak by the connection mode of the zipper 701, the position of the zipper 6 is matched with the elastic hook 21 on the coat 2 by using the selected 6, the pressure device 6 is tightly connected with the coat 2 to ensure certain air tightness, the zipper 701 is divided into a plurality of sections of mutually isolated spaces by using the sealing strips, under the condition that no leakage exists at the position of the zipper 701, the pole plate 221 is contacted with the conducting electrode 222, all the indicating lamp 23 circuits are kept to be connected, the indicating lamp 23 is kept to be lightened, under the condition that leakage exists at the position of the zipper 701, leakage dew point gas is gathered between the sealing strips at two ends to cause the increase of the air pressure between the sealing strips at two ends, because the sealing connection between the hook lock 21 and the elastic hook 20 is tighter, after the air pressure is further increased, the contact part of the pole plate 221 and the conducting electrode 222 becomes a weak part for connection, the connection between the pole plate 221 and the conducting electrode 222 is broken by the gas, the circuit of the indicating lamp 23 is disconnected, the indicating lamp 23 is extinguished, the electrode connection part in the circuit of the indicating lamp 23 is separated by using the pressure of the leaked gas, and according to the extinguished position of the indicating lamp 23, the leakage point is quickly positioned for complementing, and manual point-by-point troubleshooting is avoided.
The antichemical clothes also comprises a face screen 1, the face screen 1 is nested at the position of a head sleeve of the jacket 2, a circuit leakage detection assembly is arranged between the face screen 1 and the head sleeve, the circuit leakage detection assembly comprises a plurality of sections of metal sheets 24 and a plurality of sections of contact sheets 25, the plurality of sections of metal sheets 24 are arranged at the edge of the face screen 1 in a surrounding manner, a plurality of short contact sheets 25 are arranged on the head sleeve in a surrounding manner, each section of metal sheet 24 is in contact connection with each section of contact sheet 25, an indicator lamp 23 is arranged at the connection position of the head sleeve and the face screen 1, each indicator lamp 23 is in circuit connection with one metal sheet 24 and one contact sheet 25, the contact of the metal sheets 24 and the contact sheets 25 controls the on-off of the indicator lamp 23, the position of the other position where the antichemical clothes is connected with other substances is easy to leak at the connection position of the head sleeve and the face screen 1, if the leakage occurs between the head sleeve and the face screen 1, the dew point gas can block the connection between the metal sheets 24 and the contact sheets 25, the indication lamps 23 connected in the same circuit after the metal sheets 24 and the contact sheets are disconnected, the connection of the metal sheets 24 and the contact sheets 25, the dew point can help to extinguish the dew point, and the indication lamps 23 to quickly check dew point.
The working principle of the invention is as follows: a user takes out the antichemical clothes and the detection assembly, the antichemical clothes are tiled on the ground, the zipper 701 is pulled, the pressure selected 6 is pressed, the magnetic flange 111 on the air gun 10 is adsorbed on the inflation valve, the unlocking head 112 extends into the unlocking groove, the cylindrical shifting pin in the unlocking groove is shifted into the straight sliding groove, the unlocking head 112 continues to extend, the cylindrical shifting pin is jacked by the spring plate and slides into the arched sliding groove, the arched sliding groove lifts the connecting rod 17 by the cylindrical shifting pin, the lower end of the connecting rod 17 lifts the limiting block 16 by the cylindrical shifting pin, the limiting block 16 is lifted and then unlocked to the rack 152, the rack 152 and the piston 151 are reset by the top plate spring 154, the rack 152 drives the gear 143 to rotate in the moving process, the gear 143 drives the ball valve core 141 to rotate by the rotating shaft 142, the ball valve core 141 opens the through position on the valve body 13, the switch of the air bottle 8 is opened, the air gun 10 is used for inflation, and the gas in the air bottle 8 passes through the inflation pipe 9 and then passes through the antichemical clothes from the inflation valve; when the inflation pressure reaches 1750Pa, the inflation valve is closed, the piston 151 is pushed, the notch in the rack 152 is clamped with the limiting block 16, the rack 152 and the piston 151 are locked, the differential pressure gauge 18 starts timing, the pressure loss is calculated by comparing the atmospheric pressure with the inflation pressure in the chemical protective suit after 6 minutes, and if the pressure loss is less than 300Pa, the air tightness of the chemical protective suit is judged to be qualified.
When no leakage exists at the position of the zipper 701, the polar plate 221 is in contact with the conductive electrode 222, all the indicator lamp 23 circuits are kept on, the indicator lamp 23 is kept on, when leakage exists at the position of the zipper 701, leakage point gas gathers between sealing strips at two ends, so that the air pressure between the sealing strips at two ends is increased, the hook lock 21 is tightly connected with the elastic hook 20 in a sealing mode, after the air pressure is further increased, the contact position of the polar plate 221 and the conductive electrode 222 becomes a weak position of connection, the gas breaks the connection between the polar plate 221 and the conductive electrode 222, the indicator lamp 23 circuits are disconnected, the indicator lamp 23 is turned off, a user quickly positions the leakage point according to the position where the indicator lamp 23 is turned off for compensation, the connection position of the head cover and the face screen 1 is another position where the chemical defense suit is connected with other substances, if leakage occurs between the head cover and the face screen 1, the leakage point gas can block the connection between the metal sheets 24 and 25, the indicator lamp 23 connected with the metal sheets in the same circuit after the metal sheets 24 and the contact sheets 25 are disconnected, the leakage point can be turned off, and the gas pressure of the metal sheets is used for quickly checking of the dew point 23.
After all the tests are finished and the test results are not problematic, the user can wear the chemical protective clothing to perform the operation.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a carry gas tightness self-checking type antichemical clothes of gas tightness check out test set which characterized in that: the gas-filled type chemical protective suit comprises chemical protective suit, a gas-filled valve and a detection assembly, wherein the gas-filled valve is arranged on the chemical protective suit, a pressure measuring port is also arranged on the chemical protective suit, the detection assembly is connected with the chemical protective suit through the gas-filled valve and the pressure measuring port, the gas-filled valve is used for controlling the pressure inside the chemical protective suit, and the detection assembly detects the air pressure inside the chemical protective suit;
the chemical defense suit comprises a jacket (2), an inflation valve and a pressure measuring port are arranged on the jacket (2), the detection assembly comprises an air bottle (8) and an air gun (10), an inflation pipe (9) is connected between the air bottle (8) and the air gun (10), a magnetic suction flange (111) is arranged at the air injection port of the air gun (10), the magnetic suction flange (111) is adsorbed with the inflation valve, and a rubber ring (12) is arranged between the magnetic suction flange (111) and the inflation valve;
the detection assembly further comprises a pressure difference meter (18), two pipeline connectors are arranged on the pressure difference meter (18), a pressure measuring pipe (19) is connected to one pipeline connector on the pressure difference meter (18), the other pipeline connector on the pressure difference meter (18) is communicated with the atmosphere, one end of the pressure measuring pipe (19) is connected with a magnetic suction flange (111), the magnetic suction flange (111) on the pressure measuring pipe (19) is adsorbed to the pressure measuring port, and a rubber ring (12) is arranged between the magnetic suction flange (111) and the pressure measuring port;
the chemical defense suit comprises gloves (3), trousers (4) and boots (5), the jacket (2), the gloves (3), the trousers (4) and the boots (5) are connected into a whole, a pressure lock (6), a zipper (701) and a zipper head (702) are arranged at the front part of the jacket (2), the zipper head (702) opens and closes the zipper (701), and the pressure lock (6) closes the position of the zipper (701);
the edge of the selected leaf (6) is provided with a plurality of sections of hook locks (21), an elastic hook (20) is arranged at a position, corresponding to each section of hook lock (21), of the coat (2), the elastic hook (20) is matched with the hook locks (21), pole plates (221) are arranged between every two sections of hook locks (21), conductive electrodes (222) are arranged between every two sections of elastic hooks (20), each pole plate (221) is in contact with each corresponding conductive electrode (222), a plurality of indicator lamps (23) are further arranged on the selected leaf (6), each indicator lamp (23) is electrically connected with one pole plate (221) and one conductive electrode (222), the pole plate (221) is in contact with the conductive electrode (222) to control the on-off of the circuit of the indicator lamp (23), a plurality of sealing strips are arranged at the contact positions of the selected leaf (6) and the zipper (701), and each sealing strip is located between two pole plates (221);
the chemical defense suit still includes face screen (1), face screen (1) nestification is in the headgear department of jacket (2), be provided with circuit leak hunting subassembly between face screen (1) and the headgear, circuit leak hunting subassembly includes a plurality of sections sheetmetal (24), a plurality of sections contact piece (25), a plurality of sections sheetmetal (24) encircle the edge that sets up in face screen (1), a plurality of weak points contact piece (25) encircle to set up on the headgear, every section sheetmetal (24) and every section contact piece (25) contact connection each other, the headgear is provided with pilot lamp (23) with the junction of face screen (1), every pilot lamp (23) all with a sheetmetal (24) and a contact piece (25) circuit connection, the break-make of contact control pilot lamp (23) circuit of sheetmetal (24) and contact piece (25).
2. The air-tightness self-detection chemical protective clothing with the air-tightness detection device according to claim 1, characterized in that: the inflation valve comprises a valve body (13), the valve body (13) is arranged at the back of the coat (2), the inside of the valve body (13) is communicated, a ball valve core (141) is arranged at the communication position, the communication position is blocked by the ball valve core (141), a rotating shaft (142) is arranged on the ball valve core (141), the rotating shaft (142) is rotatably arranged in the valve body (13), a gear (143) is arranged at one end of the rotating shaft (142), a circular groove is formed in one surface of the valve body (13) facing the inside of the chemical defense suit, a piston (151) is slidably arranged in the circular groove, a rack (152) is connected onto the piston (151), and the rack (152) is in meshing transmission with the gear (143).
3. The air-tightness self-detection chemical defense suit with the air-tightness detection equipment according to claim 2, characterized in that: the one end that piston (151) was kept away from in rack (152) is provided with roof (153), be provided with roof spring (154) between roof (153) and valve body (13), the breach has been seted up on rack (152), it installs stopper (16) to rotate on valve body (13), be connected with the spring between stopper (16) and valve body (13), stopper (16) carry out the block with the breach, have seted up the rectangle spout on stopper (16), slidable mounting has connecting rod (17) in valve body (13), the both ends of connecting rod (17) all are provided with the cylinder and dial the round pin, one the round pin slidable mounting is dialled to the cylinder in the rectangle spout.
4. The air tightness self-detection chemical defense suit with the air tightness detection equipment according to claim 3, characterized in that: the air gun is characterized in that one side, facing the outside, of the valve body (13) is provided with an unlocking groove, the other side of the valve body is located in the unlocking groove, an unlocking head (112) is arranged on a magnetic suction flange (111) on the air gun (10), the unlocking head (112) is matched with the unlocking groove, an arched sliding groove and a straight sliding groove are formed in the unlocking head (112), a spring plate is arranged at the communication position of the front end of the arched sliding groove and the straight sliding groove, and the cylindrical shifting pin slides in the arched sliding groove and the straight sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210012105.3A CN114306970B (en) | 2022-01-07 | 2022-01-07 | Air tightness self-checking type antichemical clothes with air tightness detection equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210012105.3A CN114306970B (en) | 2022-01-07 | 2022-01-07 | Air tightness self-checking type antichemical clothes with air tightness detection equipment |
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| CN114306970A CN114306970A (en) | 2022-04-12 |
| CN114306970B true CN114306970B (en) | 2022-12-13 |
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| CN202210012105.3A Active CN114306970B (en) | 2022-01-07 | 2022-01-07 | Air tightness self-checking type antichemical clothes with air tightness detection equipment |
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Families Citing this family (2)
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| CN114470548B (en) * | 2022-04-18 | 2022-07-15 | 东营华亚国联航空燃料有限公司 | Aviation fuel preparation is with allotment pump anti-splash device |
| CN116659758B (en) * | 2023-08-02 | 2023-10-10 | 烟台盈德精密机械有限公司 | Air-tightness test platform for air-driven urea nozzle |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB464980A (en) * | 1935-10-24 | 1937-04-26 | Christian Jensen Gordon | Protective aerated garments against poisonous liquids and gasses |
| JP2003027312A (en) * | 2001-07-16 | 2003-01-29 | Kawasaki Safety Service Industries Ltd | Cooling and protecting suit |
| AU2003223455A1 (en) * | 2002-05-05 | 2003-11-17 | William L. Courtney | Variable-displacement variable-ballast life raft inflated and maintained by a manual pneumatic and or hydraulic lever-amplified torque pump through a range of dedicated fittaments |
| TWM276194U (en) * | 2005-01-28 | 2005-09-21 | Ruo-Hua Chen | Air pressure guard structure against forces of kickboxing with measuring function |
| DE102006040196A1 (en) * | 2006-08-28 | 2008-03-06 | Amareg Gmbh | Person protection suit |
| CN208436277U (en) * | 2018-03-28 | 2019-01-29 | 江苏鼎祥船舶装备有限公司 | A kind of airproof biochemical defence suit |
| CN212877693U (en) * | 2020-03-14 | 2021-04-06 | 方艳涛 | Wearable movable positive-pressure air protection device |
| CN214207257U (en) * | 2020-09-29 | 2021-09-17 | 深圳市建筑装饰(集团)有限公司 | Epidemic prevention positive pressure type intelligent warning protective clothing |
| CN112773014A (en) * | 2021-02-25 | 2021-05-11 | 新乡市畅达医疗器械有限公司 | Medical double-layer isolation positive pressure protective clothing |
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