Negative pressure stretcher with convenient adjustment of negative pressure mask

Abstract

The present invention provides a negative pressure stretcher that is easy to adjust the negative pressure cover, including a negative pressure cover and a stretcher body, wherein the negative pressure cover is fixedly connected to the stretcher body through a locking mechanism, and the negative pressure cover includes a first side plate and a second side plate, wherein an air filter interface and a biological sign monitoring interface are connected through the outer side of the first side plate, and a first fan-shaped slide groove and a second fan-shaped slide groove are fixedly installed on the inner side of the first side plate and the second side plate, and a sealing strip is slidably installed in the first fan-shaped slide groove and the second fan-shaped slide groove, and a first slide bar, a second slide bar, a third slide bar, and a fourth slide bar are slidably installed in the first fan-shaped slide groove and the second fan-shaped slide groove. The scheme of the present invention: through the first fan-shaped slide groove, the locking mechanism and the universal wheel, the disassembly of the negative pressure cover and the rapid opening and closing of the negative pressure cover are facilitated, and the infected person is conveniently lifted on or off the stretcher, and the infected person is quickly transferred, and the negative pressure cover after removal can be replaced to avoid cross infection.

Description

Technical Field

[0001] The invention belongs to the technical field of medical appliances, and in particular relates to a negative pressure stretcher with a negative pressure cover that is convenient for adjusting. Background Art

[0002] With the emergence of epidemic infectious diseases that seriously endanger human health, such as SARS, avian influenza, H1N1 influenza A, and especially the new coronavirus pneumonia that broke out in early 2020, how to effectively prevent and control infectious diseases and eliminate cross-infection in a timely manner has become the focus of attention of countries around the world. However, in today's world where the world's population is densely mobile and communicating, after discovering infectious patients and suspected patients, negative pressure stretchers can be used as emergency isolation equipment, allowing patients or suspected patients to enter the stretcher quickly and easily, and quickly move them to a relatively safe place to achieve "sealed" sources of infection, blocking the source of infectious diseases during movement, and timely handling of infectious and suspected infectious patients. It is undoubtedly an effective measure to prevent and control the spread of diseases and infections, and the purpose is to completely isolate infectious patients from susceptible populations in a timely and effective manner.

[0003] Most of the negative pressure stretchers in the prior art are an integration of an emergency stretcher and an isolation cabin. When an infected person or a suspected infected person is found, it is rather troublesome to quickly place the patient in a negative pressure stretcher. In addition, the negative pressure isolation cabin is not easy to dismantle and replace, which can easily lead to cross infection. Traditional negative pressure stretchers usually require manual lifting, which is not convenient for quickly transferring infected people. Summary of the invention

[0004] The purpose of the present invention is to provide a negative pressure stretcher with an easy-to-adjust negative pressure cover, aiming to solve the problem in the prior art that the negative pressure isolation cabin is inconvenient to dismantle and install and cannot quickly transfer the infected person.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A negative pressure stretcher that is easy to adjust a negative pressure cover, comprises a negative pressure cover and a stretcher body, the negative pressure cover is fixedly connected to the stretcher body via a locking mechanism, the locking mechanism comprises a card slot, a magnetic sealing strip is built into the card slot, a movable plate is movably mounted on one side of the card slot, a magnetic sealing strip is fixedly mounted on a side of the movable plate close to the card slot, a buckle base is fixedly connected to the other side of the card slot, the movable plate and the card slot are buckled with the buckle base via a buckle, and the card slot is fixedly mounted around the stretcher body.

[0007] In order to make, as a preferred embodiment of the present invention, the negative pressure hood includes a first side plate and a second side plate, the first side plate and the second side plate are both fan-shaped, the outer side of the first side plate is penetrated and connected with an air filter interface and a biological sign monitoring interface, the first side plate and the second side plate are fixedly installed with a first fan-shaped slide groove and a second fan-shaped slide groove on the inner sides, the first fan-shaped slide groove is located at the bottom of the second fan-shaped slide groove, and sealing strips are slidably installed in the first fan-shaped slide groove and the second fan-shaped slide groove, the first fan-shaped slide groove is slidably installed with a first slide bar and a second slide bar, the second fan-shaped slide groove is slidably installed with a third slide bar and a fourth slide bar, the first slide bar, the third slide bar and the fourth slide bar are slidably installed in the second fan-shaped slide groove, Both ends of the second sliding bar and the fourth sliding bar are fixedly connected to the sealing strip, a first negative pressure cover film is fixedly connected between the first sliding bar and the second sliding bar, a second negative pressure cover film is fixedly connected between the third sliding bar and the fourth sliding bar, the sealing strip is fixedly connected to both ends of the first negative pressure cover film and the second negative pressure cover film, four operating hand holes are opened on the top of the first negative pressure cover film, and rubber gloves are fixedly connected to the operating hand holes inside the negative pressure cover, the first side panel, the second side panel, the first sliding bar, the second sliding bar, the third sliding bar and the fourth sliding bar are all buckled with the locking mechanism, an air inlet is installed on one side of the second side panel, and a high-efficiency filter is arranged in the air inlet.

[0008] In order to make, as a preferred embodiment of the present invention, the stretcher body includes a sliding plate and a fixed plate, the sliding plate is slidably connected to the fixed plate by a slide rail, the sliding plate is fixedly installed with a locking mechanism around the four sides, the sliding plate is provided with a first groove on the top, an inflatable airbag cushion is built in the first groove, a handle is fixedly installed on the front side of the sliding plate, U-shaped handles are fixedly installed on both ends of the fixed plate, a slot is provided at the bottom of the fixed plate, a leg is rotatably installed at one end of the slot, the leg is a retractable leg, a folding mechanism is fixedly connected between the leg and the slot, a universal wheel is rotatably installed at the bottom of the leg, a plurality of oxygen cylinder fixing devices are fixedly installed on the bottom of the fixed plate, a configuration power supply is fixedly installed on one side of the fixed plate, a pull-out groove is fixedly installed on the front side of the sliding plate, and a storage plate is slidably installed in the pull-out groove.

[0009] In order to make it a preferred embodiment of the present invention, the inflatable airbag cushion includes a plurality of air columns, the tops of a plurality of the air columns are heat-sealed and connected with airbag pillows, neck guards and foot guards which pass through the air columns, a plurality of the air columns are heat-sealed and connected with each other, the airbag pillow is located in the middle of the neck guard, the outermost air column is provided with an inflation port, the inflation port is connected with the outermost air column, a plurality of the air columns are placed in the first groove, and the inflation port passes through the first groove and is placed on the outside of the sliding plate.

[0010] In order to make it a preferred embodiment of the present invention, the folding mechanism includes a first folding block and a second folding block, one end of the first folding block is fixedly connected to the leg, a U-shaped groove is opened in the middle of the first folding block, one end of the second folding block is pin-connected to the U-shaped groove, and the other end of the second folding block is fixedly connected to the bottom of the groove.

[0011] In order to make, as a preferred embodiment of the present invention, the slot size matches the size of the support leg and the universal wheel.

[0012] In order to make, as a preferred embodiment of the present invention, the oxygen cylinder fixing device includes a fixed base and a strap clamp, a strap is fixedly installed on one side of the fixed base, and the fixed base and the strap clamp are both fixedly connected to the bottom of the sliding plate.

[0013] In order to make it a preferred embodiment of the present invention, the battery of the configured power supply is built-in, the air filter interface and the vital signs monitoring interface are fixedly connected to the air filter and the vital signs monitor respectively, the air inlet is fixedly connected to the exhaust fan, and the air filter, the biological signs monitor and the exhaust fan are all electrically connected to the built-in battery of the configured power supply.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1) By setting the first fan-shaped chute and the second chute, the infected person or the suspected infected person lies on the stretcher. The medical staff only needs to pull the first slide bar to the locking mechanism and fasten the first slide bar to quickly open the negative pressure cover to form an isolation cabin, and pull the third slide bar to the locking mechanism and fasten the third slide bar to form a small isolation chamber between the first negative pressure cover membrane and the second negative pressure cover membrane, thereby increasing the air tightness of the negative pressure cover and more effectively preventing the leakage of pathogens;

[0016] 2) By setting the sliding plate and the fixed plate, when the medical staff push the infected or suspected infected person directly into the CT room to take an X-ray film, they only need to adjust the extension height of the legs to be consistent with the CT bed, and then pull the sliding plate out to the CT bed, so that the infected or suspected infected person can take an X-ray film for examination in the negative pressure cover, effectively preventing the leakage of pathogens;

[0017] 3) Through the provided locking mechanism, the operator can open the buckle, quickly place the first side plate and the second side plate in the slot, and fasten the buckle to realize the quick disassembly of the negative pressure cover, which is convenient for the patient to be lifted on or off the stretcher. At the same time, the negative pressure cover can be replaced after being removed, which is also convenient for the overall disinfection of the stretcher to avoid cross infection;

[0018] 4) Through the folding mechanism, the legs and universal wheels are placed in the slots. When in use, just release the legs. Through the universal wheels at the bottom of the legs, the infected person or infected person can be quickly transferred. The airbag inflatable cushion can be easily inflated according to different patient sizes to avoid pressure sores or secondary injuries to personnel during lifting. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0020] Attached Figure 1 It is a schematic diagram of the main structure of the present invention;

[0021] Attached Figure 2 It is a front structural schematic diagram of the present invention;

[0022] Attached Figure 3 It is a schematic diagram of the structure of the sliding plate and the fixed plate of the present invention;

[0023] Attached Figure 4 It is a schematic diagram of the bottom structure of the present invention;

[0024] Attached Figure 5 It is a schematic structural diagram of the inflatable airbag cushion of the present invention;

[0025] Attached Figure 6 It is a structural schematic diagram of the first fan-shaped chute of the present invention;

[0026] Attached Figure 7 It is a structural schematic diagram of the folding mechanism of the present invention;

[0027] Attached Figure 8 It is a structural schematic diagram of the locking mechanism of the present invention.

[0028] In the figure: 1, negative pressure cover; 101, first side plate; 102, second side plate; 103, air filter interface; 104, biological sign monitoring interface; 105, first fan-shaped slide; 106, first slide bar; 107, second slide bar; 108, first negative pressure cover membrane; 109, operating hand hole; 110, rubber gloves; 111, air inlet; 112, second fan-shaped slide; 113, third slide bar; 114, fourth slide bar; 115, second negative pressure cover membrane; 2, stretcher body; 21, sliding plate; 22, fixing plate; 23, first groove; 24, inflatable airbag cushion; 2 41. Air column; 242. Airbag pillow; 243. Neck protector; 244. Foot protector; 245. Inflating port; 25. U-shaped handle; 26. Slot; 27. Leg; 28. Folding mechanism; 281. First folding block; 282. Second folding block; 283. U-shaped slot; 29. ​​Universal wheel; 210. Oxygen cylinder fixing device; 2101. Fixed base; 2102. Strap clip; 2103. Strap; 211. Power supply configuration; 212. Pull-out slot; 213. Storage board; 3. Locking mechanism; 31. Slot; 32. Movable plate; 33. Buckle base; 34. Buckle. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] See also Figure 1-8 The present invention provides the following technical solutions: a negative pressure stretcher that is easy to adjust the negative pressure cover, comprising a negative pressure cover 1 and a stretcher body 2, the negative pressure cover 1 and the stretcher body 2 are fixedly connected by a locking mechanism 3, the locking mechanism 3 comprises a card slot 31, the card slot 31 has a built-in magnetic sealing strip, a movable plate 32 is movably installed on one side of the card slot 31, a magnetic sealing strip is fixedly installed on the side of the movable plate 32 close to the card slot 31, a buckle base 33 is fixedly connected to the other side of the card slot 31, the movable plate 32 and the card slot 31 are buckled with the buckle base 33 through a buckle 34, and the card slot 31 is fixedly installed around the stretcher body 2.

[0031] In the embodiment of the present invention, the negative pressure hood 1 includes a first side plate 101 and a second side plate 102, the first side plate 101 and the second side plate 102 are both fan-shaped, the outer side of the first side plate 101 is connected with an air filter interface 103 and a biological sign monitoring interface 104, the inner sides of the first side plate 101 and the second side plate 102 are fixedly installed with a first fan-shaped slide groove 105 and a second fan-shaped slide groove 112, the first fan-shaped slide groove 105 is located at the bottom of the second fan-shaped slide groove 112, the first fan-shaped slide groove 105 and the second fan-shaped slide groove 112 are slidably installed with a sealing strip, the first fan-shaped slide groove 105 is slidably installed with a first slide bar 106 and a second slide bar 107, the second fan-shaped slide groove 112 is slidably installed with a third slide bar 113 and a fourth slide bar 114, the first slide bar 106, the third slide bar 113 and the second slide bar 114 are slidably installed, and the first slide bar 106, the third slide bar 113 and the second slide bar 114 are slidably installed. 107, both ends of the fourth slide bar 114 are fixedly connected to the sealing strip, the first negative pressure cover film 108 is fixedly connected between the first slide bar 106 and the second slide bar 107, the second negative pressure cover film 115 is fixedly connected between the third slide bar 113 and the fourth slide bar 114, the sealing strip is fixedly connected to both ends of the first negative pressure cover film 108 and the second negative pressure cover film 115, four operating hand holes 109 are opened on the top of the first negative pressure cover film 108, and rubber gloves 110 are fixedly connected to the operating hand holes 109 inside the negative pressure cover 1, the first side plate 101, the second side plate 102, the first slide bar 106, the second slide bar 107, the third slide bar 113, and the fourth slide bar 114 are all buckled with the locking mechanism 3, and an air inlet 111 is installed on one side of the second side plate 102, and a high-efficiency filter is arranged in the air inlet 111.

[0032] Specifically, when the negative pressure cover 1 is in use, the first side plate 101, the second side plate 102, the second slide bar 107, and the fourth slide bar 114 are locked by the locking mechanism 3. First, the first slide bar 106 is pulled to the locking mechanism 3 and locked to form an isolation cabin, and then the third slide bar 113 is pulled to the locking mechanism 3 and locked to form a small isolation chamber between the first negative pressure cover film 108 and the second negative pressure cover film 115. The magnetic sealing strip between the movable plate 32 and the card slot 31 is used to make the air tightness inside the negative pressure cover 1 better to prevent the leakage of pathogens. The air filter connected through the first side plate 101 is The device interface 103 and the biological sign monitoring interface 104 are connected to the air filter and the biological sign monitor respectively, and the air inlet 111 connected on one side of the second side panel 102 is connected to the exhaust fan. Through the action of the exhaust fan, a negative pressure environment is formed in the negative pressure hood 1, and the air circulates in the negative pressure hood 1 through the air filter. Four operating hand holes 109 are opened on the top of the membrane of the negative pressure hood 1, and rubber gloves 110 are fixedly connected to the operating hand holes 109 inside the negative pressure hood 1, so that medical staff can treat the infected person through the rubber gloves 110, effectively isolating the threat of infectious sources to medical staff.

[0033] In the embodiment of the present invention, the stretcher body 2 includes a sliding plate 21 and a fixed plate 22, the sliding plate 21 and the fixed plate 22 are slidably connected by a slide rail, the sliding plate 21 is fixedly installed with a locking mechanism 3 on all sides, the sliding plate 21 is provided with a first groove 23 on the top, an inflatable airbag cushion 24 is built in the first groove 23, a handle is fixedly installed on the front side of the sliding plate 21, U-shaped handles 25 are fixedly installed on both ends of the fixed plate 22, a slot 26 is provided at the bottom of the fixed plate 22, a leg 27 is rotatably installed at one end of the slot 26, the leg 27 is a retractable leg, a folding mechanism 28 is fixedly connected between the leg 27 and the slot 26, a universal wheel 29 is rotatably installed at the bottom of the leg 27, a plurality of oxygen cylinder fixing devices 210 are fixedly installed at the bottom of the fixed plate 22, a configuration power supply 211 is fixedly installed on one side of the fixed plate 22, a pull-out groove 212 is fixedly installed on the front side of the sliding plate 21, and a storage plate 213 is slidably installed in the pull-out groove 212.

[0034] Specifically, the sliding plate 21 and the fixed plate 22 are slidably connected, so that the medical staff can quickly pull out the sliding plate 21 by pulling the handle arranged on the front side of the sliding plate 21. When the infected person or the suspected infected person needs to take an X-ray, it is only necessary to adjust the extension height of the legs 27 to be consistent with the CT bed, and then pull the sliding plate 21 out to the CT bed. When the stretcher body 2 is idle, the legs 27 can be retracted and folded and put into the slots 26 to reduce the floor space. The inflatable airbag cushion 24 placed in the first groove 23 can be easily inflated according to different patient sizes to avoid pressure sores or lifting. The medical staff can quickly transfer the infected person through the universal wheel 29 arranged at the bottom of the support leg 27, and fix the oxygen cylinder through the oxygen cylinder fixing device 210 fixedly installed at the bottom of the fixing plate 22, so that the oxygen cylinder can continuously provide oxygen for the negative pressure hood 1. Through the pull-out groove 212 arranged on the front side of the sliding plate 21, the medical staff can pull open the storage plate 213 slidably installed in the pull-out groove 212 after transferring the infected person to the ward, and the required treatment drugs can be more conveniently placed on the storage plate 213, so that the infected person can be treated more conveniently and effectively.

[0035] In an embodiment of the present invention, the inflatable airbag cushion 24 includes a plurality of air columns 241, the tops of the plurality of air columns 241 are heat-sealed and connected with airbag pillows 242, neck guards 243 and foot guards 244 that penetrate the air columns 241, the plurality of air columns 241 are heat-sealed and connected with each other, the airbag pillow 242 is located in the middle of the neck guard 243, the outermost air column 241 is penetrated by an inflation port 245, the inflation port 245 is connected with the outermost air column 241, the plurality of air columns 241 are placed in the first groove 23, and the inflation port 245 penetrates the first groove 23 and is placed on the outside of the sliding plate 21.

[0036] Specifically, by inflating the inflation port 245, the air column 241, the airbag pillow 242, the neck guard 243 and the foot guard 244 are inflated and expanded. Different amounts of air are filled for patients of different body shapes, so that the neck guard 243 and the foot guard 244 can fix the infected person, and the infected person's neck is placed on the airbag pillow 242, thereby improving the patient's comfort and avoiding the formation of pressure sores or secondary injuries to the infected person during the lifting process.

[0037] In an embodiment of the present invention, the folding mechanism 28 includes a first folding block 281 and a second folding block 282, one end of the first folding block 281 is fixedly connected to the support leg 27, a U-shaped groove 283 is opened in the middle of the first folding block 281, one end of the second folding block 282 is pin-connected to the U-shaped groove 283, and the other end of the second folding block 282 is fixedly connected to the bottom of the slot 26.

[0038] Specifically, through the second folding block 282 pinned to the U-shaped groove 283, the leg 27 can be quickly folded and stored in the slot 26. When in use, medical staff only need to lower the leg 27 from the slot 26 through the folding mechanism 28, so that the negative pressure stretcher can be used in more different occasions.

[0039] In the embodiment of the present invention, the size of the slot 26 matches the size of the leg 27 and the universal wheel 29 .

[0040] Specifically, the slots 26 provided at the bottom of the fixing plate 22 facilitate the retraction and extension of the legs 27 and the universal wheels 29 , thereby saving the floor space of the stretcher body 2 .

[0041] In the embodiment of the present invention, the oxygen cylinder fixing device 210 includes a fixing base 2101 and a strap clamp 2102 , a strap 2103 is fixedly installed on one side of the fixing base 2101 , and the fixing base 2101 and the strap clamp 2102 are both fixedly connected to the bottom of the fixing plate 22 .

[0042] Specifically, the oxygen cylinder is fixed by a fixed base 2101 and a strap clamp 2102 fixedly connected to the bottom of the fixing plate 22, and the strap 2103 is clamped in the strap clamp 2102. Medical staff decide how many oxygen cylinder fixing devices 210 to use to fix the oxygen cylinder according to the different specifications of the oxygen cylinder, and then the oxygen cylinder fixing device 210 can be suitable for oxygen cylinders of different specifications.

[0043] In an embodiment of the present invention, the battery of the power supply 211 is built-in, the air filter interface 103 and the vital sign monitoring interface 104 are fixedly connected to the air filter and the vital sign monitor respectively, the air inlet 111 is fixedly connected to the exhaust fan, and the air filter, the biological sign monitor and the exhaust fan are all electrically connected to the built-in battery of the power supply 211.

[0044] Specifically, after the air filter, the vital signs monitor and the exhaust fan are fixedly connected to the air filter interface 103, the biological signs monitoring interface 104 and the air inlet 111 respectively, the power interfaces of the air filter, the vital signs monitor and the exhaust fan are electrically connected to the configured power supply 211 respectively.

[0045] In specific use, when an epidemic infectious disease breaks out, the medical staff lowers the leg 27 from the slot 26 through the folding mechanism 28, places the inflatable airbag cushion 24 in the first groove 23, and inflates the inflatable airbag cushion 24 through the inflation port 245. Then, the infected person or the suspected infected person is lifted onto the sliding plate 21, and then the negative pressure cover 1 is taken out, and the first side plate 101, the second side plate 102, the second slide bar 107, and the fourth slide bar 114 are inserted into the slot 26, and the buckle 34 is pulled to buckle the buckle 34 with the buckle base 33, and the first side plate 101, the second side plate 102, the second slide bar 107 are fixedly installed on one side of the movable plate 32 through the magnetic sealing strip fixedly installed on the slot 31 and the movable plate 32. , the fourth slide bar 114 and the locking mechanism 3 are in a sealed state, the first slide bar 106 and the third slide bar 113 are pulled to the locking mechanism 3 to lock them through the cooperation of the buckle 34 and the buckle base 33, so that a small isolation chamber is formed between the first negative pressure cover film 108 and the second negative pressure cover film 115, and the air tightness of the negative pressure cover 1 is increased by the magnetic sealing strip, and then the exhaust fan is connected to the air inlet 111, and the power interface of the exhaust fan is connected to the configuration power supply 211 to exhaust the negative pressure cover 1, so that the infected person or the suspected infected person is in an isolation cabin with a sealed negative pressure environment to prevent the leakage and spread of pathogens, and then the air filter and the biological sign monitor are respectively connected to the air filter. After the port 103 is connected to the biological sign monitoring interface 104, the power interfaces of the air filter and the biological sign monitor are respectively connected to the configuration power supply 211, and the air in the negative pressure hood 1 is kept in a circulating state through the air filter. The vital signs of the infected person or the suspected infected person are monitored through the biological sign monitor. The oxygen cylinder fixing device 210 provided at the bottom of the fixing plate 22 is used to fasten the oxygen cylinder to the bottom of the fixing plate 22, and the negative pressure hood 1 is continuously supplied with oxygen. The medical staff pulls the U-shaped handle 25, and the universal wheel 29 fixedly connected to the bottom of the leg 27 slides, so that the infected person or the suspected infected person can be quickly transferred. The slide rail allows medical staff to push the infected person or the suspected infected person into the CT room for X-ray examination by simply adjusting the telescopic height of the support leg 27 to be consistent with the height of the CT bed, and then pulling the handle provided on the front side of the sliding plate 21 to pull the sliding plate 21 onto the CT bed, so that the infected person or the suspected infected person can be X-rayed while lying in the negative pressure cover 1 to avoid leakage of pathogens. Through the pull-out groove 212 provided on the front side of the sliding plate 21, after the medical staff transfers the infected person to the ward, they can pull open the storage plate 213 slidably installed in the pull-out groove 212, and the required treatment drugs can be more conveniently placed on the storage plate 213, so that the infected person can be treated more conveniently and effectively.

[0046] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A negative pressure stretcher with a conveniently adjustable negative pressure cover, comprising a negative pressure cover (1) and a stretcher body (2), characterized in that: The negative pressure cover (1) is fixedly connected to the stretcher body (2) via a locking mechanism (3); the locking mechanism (3) comprises a card slot (31); a magnetic sealing strip is built into the card slot (31); a movable plate (32) is movably mounted on one side of the card slot (31); a magnetic sealing strip is fixedly mounted on the side of the movable plate (32) close to the card slot (31); a buckle base (33) is fixedly connected to the other side of the card slot (31); the movable plate (32) and the card slot (31) are buckled with the buckle base (33) via a buckle (34); and the card slot (31) is fixedly mounted around the stretcher body (2); The negative pressure hood (1) comprises a first side plate (101) and a second side plate (102), the first side plate (101) and the second side plate (102) are both fan-shaped, an air filter interface (103) and a biological sign monitoring interface (104) are connected through the outer side of the first side plate (101), and a first fan-shaped slide groove (105) and a second fan-shaped slide groove (112) are fixedly installed on the inner side of the first side plate (101) and the second side plate (102), the first fan-shaped slide groove The first fan-shaped slide groove (105) is located at the bottom of the second fan-shaped slide groove (112), and sealing strips are slidably installed in the first fan-shaped slide groove (105) and the second fan-shaped slide groove (112). The first fan-shaped slide groove (105) is slidably installed with a first slide bar (106) and a second slide bar (107), and the second fan-shaped slide groove (112) is slidably installed with a third slide bar (113) and a fourth slide bar (114). The first slide bar (106), the third slide bar (113) and the second slide bar (107) are slidably installed. ), both ends of the fourth slide bar (114) are fixedly connected to the sealing strip, a first negative pressure cover film (108) is fixedly connected between the first slide bar (106) and the second slide bar (107), a second negative pressure cover film (115) is fixedly connected between the third slide bar (113) and the fourth slide bar (114), the sealing strip is fixedly connected to both ends of the first negative pressure cover film (108) and the second negative pressure cover film (115), and the top of the first negative pressure cover film (108) is provided with four operating A hand hole (109), a rubber glove (110) is fixedly connected to the operating hand hole (109) inside the negative pressure cover (1), the first side plate (101), the second side plate (102), the first slide bar (106), the second slide bar (107), the third slide bar (113), and the fourth slide bar (114) are all buckled with the locking mechanism (3), and an air inlet (111) is installed through one side of the second side plate (102), and a high-efficiency filter is arranged in the air inlet (111); The stretcher body (2) comprises a sliding plate (21) and a fixed plate (22), wherein the sliding plate (21) and the fixed plate (22) are slidably connected via a slide rail, a locking mechanism (3) is fixedly installed around the sliding plate (21), a first groove (23) is provided on the top of the sliding plate (21), an inflatable airbag cushion (24) is built in the first groove (23), a handle is fixedly installed on one side of the front of the sliding plate (21), U-shaped handles (25) are fixedly installed at both ends of the fixed plate (22), and a groove (26) is provided at the bottom of the fixed plate (22), the groove (26) a leg (27) is rotatably mounted on one end, the leg (27) is a retractable leg, a folding mechanism (28) is fixedly connected between the leg (27) and the slot (26), a universal wheel (29) is rotatably mounted on the bottom of the leg (27), a plurality of oxygen cylinder fixing devices (210) are fixedly mounted on the bottom of the fixed plate (22), a configuration power supply (211) is fixedly mounted on one side of the fixed plate (22), a draw-out groove (212) is fixedly mounted on one side of the front of the sliding plate (21), and a storage plate (213) is slidably mounted in the draw-out groove (212); The inflatable airbag cushion (24) comprises a plurality of air columns (241), the tops of the plurality of air columns (241) are heat-sealed to be connected with airbag pillows (242), neck guards (243) and foot guards (244) that penetrate the air columns (241), the plurality of air columns (241) are heat-sealed to be connected to each other, the airbag pillow (242) is located in the middle of the neck guard (243), the outermost air column (241) is provided with an inflation port (245) that penetrates the outermost air column (241), the inflation port (245) is connected to the outermost air column (241), the plurality of air columns (241) are placed in the first groove (23), and the inflation port (245) penetrates the first groove (23) and is placed on the outer side of the sliding plate (21); The folding mechanism (28) comprises a first folding block (281) and a second folding block (282); one end of the first folding block (281) is fixedly connected to the supporting leg (27); a U-shaped groove (283) is provided in the middle of the first folding block (281); one end of the second folding block (282) is pin-connected to the U-shaped groove (283); and the other end of the second folding block (282) is fixedly connected to the bottom of the groove (26).

2. A negative pressure stretcher with an easily adjustable negative pressure cover according to claim 1, characterized in that: The size of the slot (26) matches the size of the supporting leg (27) and the universal wheel (29).

3. A negative pressure stretcher with an easily adjustable negative pressure cover according to claim 1, characterized in that: The oxygen cylinder fixing device (210) comprises a fixing base (2101) and a strap clamp (2102), a strap (2103) is fixedly mounted on one side of the fixing base (2101), and both the fixing base (2101) and the strap clamp (2102) are fixedly connected to the bottom of the sliding plate (21).

4. The negative pressure stretcher with easy-to-adjust negative pressure cover according to claim 1, characterized in that: The battery of the configuration power supply (211) is built-in, the air filter interface (103) and the vital sign monitoring interface (104) are fixedly connected to the air filter and the vital sign monitor respectively, the air inlet (111) is fixedly connected to the exhaust fan, and the air filter, the vital sign monitor and the exhaust fan are all electrically connected to the built-in battery of the configuration power supply (211).

Images