Negative pressure cabin based on train compartment

Abstract

The invention relates to the field of health train medical equipment, in particular to a negative pressure cabin based on train carriages. The negative pressure cabin is mainly composed of train carriages, a negative pressure device and a separation device. Wherein the separating device comprises a separating plate, a sealing air bag ring and an inflating device. The partition plate is connected with the bottom wall of the train compartment through a hinge piece and can be flexibly put down or vertically placed. The sealing groove is formed in the outer side of the partition plate, the sealing air bag ring is assembled in the sealing groove, and after the partition plate is vertically placed, the inflation device inflates the sealing air bag ring so that the sealing air bag ring can be tightly connected with the inner wall of the compartment and the inner wall of the sealing groove in an abutting mode, and therefore good sealing is achieved. At the moment, the partition plates and the left wall, the right wall, the top wall, the bottom wall and the rear wall of the train compartment define a closed space, and the negative pressure device communicates with the space and maintains a negative pressure environment. The negative pressure cabin is simple and convenient to construct and disassemble, can effectively block pathogen transmission, creates a stable treatment space for the wounded, and is expected to greatly improve the capability of a sanitary train in the aspect of medical rescue.

Description

Technical Field

[0001] The present invention relates to the field of medical equipment for medical trains, and in particular to a negative pressure cabin based on a train compartment, which is used for providing a special isolation and treatment space for monitoring seriously injured patients on a medical train. Background Art

[0002] In emergency situations such as war, natural disasters or major public health events, it is necessary to quickly and safely transfer and treat seriously injured patients. As an important tool for transfer and treatment, the safety and functionality of the internal environment of medical trains are crucial. Traditional medical train carriages lack effective isolation and protection measures, making it difficult to prevent the spread of pathogens in the carriages, and cannot meet the needs of precise monitoring and isolation treatment of seriously injured patients. The present invention aims to solve this problem and provide a negative pressure cabin that can quickly build a closed negative pressure environment on a train. Summary of the invention

[0003] In order to overcome the problems existing in the related art, the present invention discloses a negative pressure cabin based on a train compartment.

[0004] To achieve the above object, a technical solution adopted by the present invention is:

[0005] A negative pressure cabin based on a train compartment, comprising a train compartment, a negative pressure device and a partition device, the partition device comprising a partition plate, a sealing airbag ring and an inflation device, the lower end of one side of the partition plate is hinged to the bottom wall of the train compartment by a hinge, a circle of sealing grooves is provided on the outer side of the partition plate, the sealing airbag ring is assembled in the sealing groove, and is used to seal the gap between the partition plate and the train compartment when the partition plate is placed upright in the train compartment, the inflation device is used to inflate the sealing airbag ring when the partition plate is placed upright in the train compartment, so that the sealing airbag ring is in close contact with the inner wall of the train compartment and the inner wall of the sealing groove, and when the partition plate is placed upright in the train compartment, it will enclose the left wall, right wall, top wall, bottom wall and rear wall of the train compartment to form a closed space, and the negative pressure device is arranged on the outer side of the train compartment and is connected to the closed space.

[0006] Furthermore, the inflation device includes an inflatable airbag and a pressure component driven by a pull rope, the inflatable airbag is connected to the sealed airbag ring, and the pressure component is arranged on the partition plate to apply pressure to the inflatable airbag when the pull rope is pulled, so that the gas in the inflatable airbag is filled into the sealed airbag ring.

[0007] Furthermore, the partition plate has an assembly cavity whose lower end is connected to the sealing groove, the inflatable airbag is located in the assembly cavity and is connected to the sealing airbag ring through the lower end, and the pressure assembly is located in the assembly cavity and above the inflatable airbag. When the pull rope is pulled, the pressure assembly will apply downward pressure to the upper end of the inflatable airbag.

[0008] Furthermore, the pressure assembly includes a pressure piece longitudinally slidably assembled in the assembly cavity, and a first fixed pulley and a second fixed pulley arranged in the assembly cavity, the first fixed pulley is located above the second fixed pulley, the upper end of the pressure piece is located above the second fixed pulley, one end of the pull rope is fixedly connected to the upper end of the pressure piece, and the other end of the pull rope sequentially passes around the second fixed pulley and the first fixed pulley and passes through the side of the partition plate away from the hinge.

[0009] Furthermore, a draw hook is fixedly connected to the outgoing end of the draw rope.

[0010] Furthermore, the inner wall of the train compartment is provided with a hook ring adapted to the draw hook.

[0011] Furthermore, the pressure member is rectangular and has a front-to-back penetrating structure.

[0012] Furthermore, the first fixed pulley and the second fixed pulley are both arranged in the assembly cavity through a rotating shaft and a bearing.

[0013] Furthermore, the inflatable airbag is a corrugated elastic structure, and when the inflatable airbag is not compressed, it will stretch and open under the action of its own elastic force.

[0014] Furthermore, a door slot is provided in the middle of the partition plate, and a closing door for closing the door slot is hingedly connected to one side of the partition plate.

[0015] The present invention discloses a negative pressure cabin based on a train compartment, which provides a reliable and efficient solution for the transportation of seriously injured patients by cleverly transforming the structure of the train compartment and combining advanced separation, sealing and negative pressure generation technology. Its unique separation device and inflation system make the construction and disassembly of the negative pressure cabin simple and convenient, which can be quickly put into use in an emergency and flexibly restore the original function of the train compartment after the task is completed. In practical applications, the negative pressure cabin can not only effectively prevent the spread of pathogens during transportation and ensure the safety of the surrounding environment, but also provide a relatively stable and independent medical treatment space for seriously injured patients, greatly improving the success rate of treatment during transportation. At the same time, the present invention pays attention to detail design, and the careful selection and layout of each component from the pull rope, fixed pulley, pressure piece to the inflatable airbag fully considers practicality, reliability and durability. It is believed that with the promotion and application of this technology, it will bring a qualitative leap to the medical rescue work of sanitary trains in dealing with various emergencies and become a solid line of defense for protecting life and health. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0017] Figure 1 It is a structural schematic diagram of an embodiment of a negative pressure cabin based on a train compartment of the present invention;

[0018] Figure 2 It is a schematic cross-sectional structure diagram of an embodiment of a negative pressure cabin based on a train compartment of the present invention;

[0019] Figure 3 for Figure 2 A schematic diagram of the structure enlargement at the center A;

[0020] Figure 4 for Figure 3 A schematic diagram of the structure enlarged at B in the middle;

[0021] Figure 5 for Figure 3 A schematic diagram of the structure enlarged at C in the middle;

[0022] Figure 6 for Figure 3 A schematic diagram of the structure at D in the middle is enlarged;

[0023] Figure 7 It is a partial structural schematic diagram of a partition device in an embodiment of a negative pressure cabin based on a train compartment of the present invention;

[0024] Figure 8 for Figure 7 A schematic diagram of the structure enlarged at E in the middle;

[0025] Fig. 9 It is a schematic structural diagram of a partition plate in an embodiment of a negative pressure cabin based on a train compartment of the present invention.

[0026] The meanings of the symbols in the accompanying drawings are:

[0027] Train carriage 1, hinge 11, hook 12, negative pressure device 2, partition device 3, partition plate 31, sealing groove 311, assembly cavity 312, closed door 313, sealing airbag ring 32, inflation device 33, inflatable airbag 331, pull rope 332, hook 3321, pressure assembly 333, pressure member 3331, first fixed pulley 3332, second fixed pulley 3333, rotating shaft 3334, bearing 3335. DETAILED DESCRIPTION

[0028] The present invention will be further described below in conjunction with the accompanying drawings.

[0029] Reference Figure 1-Figure 9 As shown, the negative pressure cabin based on a train compartment of the present invention mainly includes a train compartment 1, a negative pressure device 2 and a partition device 3.

[0030] The partition device 3 includes a partition plate 31 , a sealing airbag ring 32 and an inflator 33 .

[0031] The lower end of one side of the partition plate 31 is hinged to the bottom wall of the train compartment 1 through a hinge 11, which allows the partition plate 31 to rotate flexibly. When not in use, the partition plate 31 can be laid down without hindering the normal use of the train compartment; when a negative pressure cabin needs to be constructed, it can be placed upright. A circle of sealing grooves 311 are provided on the outer side of the partition plate 31 for installing the sealing airbag ring 32.

[0032] The sealing airbag ring 32 is assembled in the sealing groove 311. When the partition plate 31 is placed upright in the train compartment 1, it plays a key sealing role, sealing the gap between the partition plate 31 and the train compartment 1 to prevent air leakage.

[0033] After the partition plate 31 is placed in place, it forms a closed space enclosed by the left wall, right wall, top wall, bottom wall and rear wall of the train compartment 1. In this state, the sealing airbag ring 32 can be inflated by the inflator 33. As the gas is filled in, the sealing airbag ring 32 gradually expands and closely contacts the inner wall of the train compartment 1 and the inner wall of the sealing groove 311, forming a reliable sealing structure to ensure the airtightness of the closed space.

[0034] The negative pressure device 2 is arranged on the upper outer side of the train compartment 1. When the negative pressure device 2 is working, it can continuously extract the air in the enclosed space to form a negative pressure environment in the space. In this way, the outside air can only enter through a special filtering channel, effectively preventing the spread of germs to the outside, and also preventing the outside polluted air from entering the negative pressure cabin to affect the injured.

[0035] In normal state, the partition plate 31 is laid down at the bottom of the train compartment 1. At this time, the sealing airbag ring 32 is in an uninflated state and does not occupy too much space. The train compartment 1 can be used normally for transporting personnel or materials.

[0036] When receiving the task of transporting seriously injured patients, the staff first cleans the relevant area in the train compartment 1, and then rotates the partition plate 31 around the hinge 11 and places it upright at a predetermined position in the train compartment 1. At this time, the inflator 33 is operated to inflate the sealing airbag ring 32. As the inflation process proceeds, the sealing airbag ring 32 is tightly attached to the inner wall of the train compartment 1 and the inner wall of the sealing groove 311, completing the sealing.

[0037] After the enclosed space is formed, the negative pressure device 2 is started, connected to the enclosed space through a pipeline, and air is continuously extracted, so that the air pressure in the enclosed space gradually becomes lower than the external atmospheric pressure, forming a stable negative pressure environment. Medical staff can connect various monitoring equipment to seriously injured patients in the negative pressure cabin and perform necessary rescue operations without worrying about the risk of spreading germs. During transportation, the negative pressure device 2 continues to operate and maintains a negative pressure state in real time, ensuring the safety and reliability of the medical train during long-distance transportation of seriously injured patients.

[0038] It can be seen that the negative pressure cabin based on the train compartment of the present invention provides an efficient and safe solution for the medical train to transport seriously injured patients through ingenious structural design, fills the technical gap in the relevant field, and has extremely high practical value and promotion significance.

[0039] In this embodiment, the inflatable device 33 includes an inflatable airbag 331 and a pressure component 333 driven by a pull cord 332. The inflatable airbag 331 is connected to the sealed airbag ring 32. The pressure component 333 is arranged on the partition plate 31 to apply pressure to the inflatable airbag 331 when the pull cord 332 is pulled, so that the gas in the inflatable airbag 331 is filled into the sealed airbag ring 32. This manually driven inflation method can still operate reliably when the train encounters an emergency such as a sudden power failure, does not rely on external power, and greatly enhances the emergency capability of the negative pressure cabin.

[0040] Furthermore, the partition plate 31 has an assembly cavity 312 whose lower end is connected to the sealing groove 311. The inflatable airbag 331 is located in the assembly cavity 312 and is connected to the sealing airbag ring 32 through the lower end. Such a structural design makes the gas transmission path more concealed and compact, and reduces the interference of external factors on the inflation process. The pressure component 333 is located in the assembly cavity 312 and above the inflatable airbag 331. When the pull rope 332 is pulled, the pressure component 333 will apply downward pressure to the upper end of the inflatable airbag 331. This layout makes full use of the space of the assembly cavity 312, so that the pressure component 333 can act on the inflatable airbag 331 accurately and effectively, and achieve efficient inflation in a limited space.

[0041] In this embodiment, the pressure assembly 333 includes a pressure member 3331 longitudinally slidably assembled in the assembly cavity 312, and a first fixed pulley 3332 and a second fixed pulley 3333 arranged in the assembly cavity 312, the first fixed pulley 3332 is located above the second fixed pulley 3333, the upper end of the pressure member 3331 is located above the second fixed pulley 3333, one end of the pull rope 332 is fixedly connected to the upper end of the pressure member 3331, and the other end of the pull rope 332 passes through the second fixed pulley 3333 and the first fixed pulley 3332 in sequence and passes out from the side of the partition 31 away from the hinge 11. The pulley group structure designed in this way cleverly changes the direction of the force, so that when the medical staff or staff operate the pull rope 332 on the side of the partition 31 away from the hinge 11, they can easily drive the pressure member 3331 to slide longitudinally downward in the assembly cavity 312, thereby accurately and stably applying pressure to the inflatable airbag 331. At the same time, the setting of the fixed pulley can also reduce the friction resistance between the pull rope 332 and the partition plate 31, extend the service life of the pull rope 332, and reduce the equipment maintenance cost. In addition, a lubricating coating can be added to the sliding track of the pressure member 3331 on the inner wall of the assembly cavity 312 to further ensure the smoothness of the pressure member 3331, making the inflation process more efficient and faster. Even if a negative pressure cabin needs to be quickly constructed in an emergency, the inflation and sealing steps can be completed in an orderly manner, ensuring that the negative pressure cabin is put into use in a timely manner, and buying precious time for treating seriously injured patients.

[0042] It should be emphasized that when the partition plate 31 is in an upright position and the sealing airbag ring 32 is inflated and expanded to fit tightly with the sealing groove 311 and the train compartment 1 and is difficult to expand further, the inflatable airbag 331 will be difficult to be further squeezed by the pressure member 3331, that is, the pressure member 3331 will be difficult to continue to slide downward under the pulling action of the pull rope 332, so that the pull rope 332 will be difficult to continue to extend from the partition plate 31. At this time, the end of the pull rope 332 away from the extended end forms a nearly fixed state with the partition plate 31, so that the pull rope 332 can be fixed to the train compartment 1 to limit the partition plate 31 from folding toward the hinge 11. In this way, during the operation of the train, even if the partition plate 31 encounters more severe shaking and bumping, it can remain in an upright position by virtue of the stable connection between the pull rope 332 and the train compartment 1, avoiding the impact of accidental displacement on the airtightness of the negative pressure cabin and the stability of the medical treatment environment in the cabin, and providing a more solid guarantee for the safe transportation of seriously injured patients.

[0043] It can be seen that the pull rope 332 has two key functions. First, it can stabilize the air pressure in the sealed airbag ring 32, ensure the sealing effect, ensure that the air in the negative pressure cabin is effectively isolated from the outside world, and reduce the risk of germ transmission; second, the pull rope 332 can restrict the state of the partition plate 31 to prevent it from folding, maintain the stability of the negative pressure cabin structure, and provide reliable guarantee for the smooth implementation of medical treatment.

[0044] It is worth mentioning that when the negative pressure cabin is no longer needed and the partition 31 needs to be folded, it is only necessary to release the fixed connection between the pull rope 332 and the train car 1. At this time, the partition 31 is no longer constrained by the pull rope 332 and can be rotated and folded around the hinge 11. In addition, since there is no continuous external force, the pressure member 3331 no longer applies pressure to the inflatable airbag 331, and the inflatable airbag 331 will not be tightly abutted against the inner wall of the train car 1. Therefore, the inflatable airbag 331 will not form a large resistance to the folding action of the partition 31. The partition 31 can be easily rotated and folded around the hinge 11, so that it can be quickly restored to the initial laid-down state, freeing up enough space for other subsequent uses of the train car 1. The whole process fully reflects the convenience and flexibility of the negative pressure cabin structure in use, and meets the diverse needs for the use of train car space in different scenarios.

[0045] In this embodiment, the pull rope 332 is fixedly connected with a hook 3321 at the passing end, and the inner wall of the train compartment 1 is provided with a hook ring 12 adapted to the hook 3321. This design makes the connection operation of the pull rope 332 and the train compartment 1 extremely simple. When it is necessary to construct a negative pressure cabin and fix the partition 31, the staff only needs to hook the hook 3321 on the hook ring 12 to quickly complete the fixation of the pull rope 332, ensure that the partition 31 is stably placed upright, and the sealing airbag ring 32 maintains a good sealing state. When the negative pressure cabin is used, when the partition 31 needs to be folded, the staff can easily remove the hook 3321 from the hook ring 12, quickly release the fixation of the pull rope 332, and then smoothly carry out the folding work of the partition 31. The cooperation between the hook 3321 and the hook ring 12 not only improves the operating efficiency during the construction and disassembly of the negative pressure cabin, but also further enhances the stability and reliability of the entire structure, providing a strong guarantee for the efficient operation of the negative pressure cabin in practical applications.

[0046] In this embodiment, the pressure piece 3331 is rectangular, and this shape design enables it to achieve good fit and guidance with the inner wall of the assembly cavity 312 when it slides longitudinally in the assembly cavity 312, effectively avoiding the phenomenon of offset or jamming during the sliding process, and ensuring the stability and accuracy of the pressure action. At the same time, the pressure piece 3331 is a front-to-back through structure, which reduces the weight of the pressure piece 3331 itself, so that it can respond more lightly and flexibly.

[0047] In this embodiment, the first fixed pulley 3332 and the second fixed pulley 3333 are both arranged in the assembly cavity 312 through the rotating shaft 3334 and the bearing 3335. This installation method greatly reduces the friction when the fixed pulley rotates, so that the pull rope 332 can slide more smoothly when passing through the fixed pulley.

[0048] In this embodiment, the inflatable airbag 331 is a corrugated elastic structure, and when the inflatable airbag 331 is not under pressure, it will stretch and open under the action of its own elastic force. After the pressure of the pressure-applying member 3331 on the inflatable airbag 331 is released, the inflatable airbag 331 can quickly stretch and reset by its own elastic force, causing the gas in the sealing airbag ring 32 to quickly flow back to the inflatable airbag 331, providing convenience for the folding operation of the partition plate 31. In addition, the corrugated elastic structure also has good flexibility and durability, and can withstand multiple inflation and deflation cycles without being easily damaged, effectively extending the service life of the inflatable airbag 331, reducing maintenance costs, and further improving the reliability and stability of the entire negative pressure cabin inflation device, ensuring that it can work normally and stably in different usage scenarios.

[0049] In this embodiment, the partition plate 31 has a door slot in the middle, and a closed door 313 for closing the door slot is hinged on one side of the partition plate 31. This design greatly improves the convenience of using the negative pressure cabin. When medical staff need to enter and exit the negative pressure cabin to perform nursing and treatment operations on seriously injured patients, they do not need to open the entire partition plate 31, but only need to open the closed door 313. The hinged design of the closed door 313 makes its opening and closing operation simple and convenient, and it can fit tightly in the door slot. In the closed state, it forms a whole with the partition plate 31, does not affect the sealing effect of the sealing airbag ring 32, and effectively maintains the air pressure stability in the negative pressure cabin. In addition, in order to further ensure the sealing performance, a sealing strip can be provided at the contact edge of the closed door 313 and the door slot. When the closed door 313 is closed, the sealing strip can fit tightly, effectively preventing air leakage, further improving the sealing performance of the negative pressure cabin, and providing a more reliable environmental guarantee for the treatment of seriously injured patients.

[0050] In summary, the present invention discloses a negative pressure cabin based on a train compartment, which provides a reliable and efficient solution for the transportation of seriously injured patients by cleverly transforming the structure of the train compartment, combined with advanced separation, sealing and negative pressure generation technology. Its unique separation device and inflation system make the construction and disassembly of the negative pressure cabin simple and convenient, which can be quickly put into use in an emergency and flexibly restore the original function of the train compartment after the task is completed. In practical applications, the negative pressure cabin can not only effectively prevent the spread of pathogens during transportation and ensure the safety of the surrounding environment, but also provide a relatively stable and independent medical treatment space for seriously injured patients, greatly improving the success rate of treatment during transportation. At the same time, the present invention pays attention to detail design, and the careful selection and layout of each component from the pull rope, fixed pulley, pressure piece to the inflatable airbag fully considers practicality, reliability and durability. It is believed that with the promotion and application of this technology, it will bring a qualitative leap in the medical rescue work of sanitary trains in response to various emergencies, and become a solid line of defense for protecting life and health.

[0051] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or change the above embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed by the present invention should still be covered by the claims of the present invention.

Claims

1. A negative pressure cabin based on a train compartment, characterized in that: It includes a train compartment, a negative pressure device and a partition device, the partition device includes a partition plate, a sealing airbag ring and an inflation device, the lower end of one side of the partition plate is hinged to the bottom wall of the train compartment by a hinge, a circle of sealing grooves is provided on the outer side of the partition plate, the sealing airbag ring is assembled in the sealing groove, and is used to seal the gap between the partition plate and the train compartment when the partition plate is placed upright in the train compartment, the inflation device is used to inflate the sealing airbag ring when the partition plate is placed upright in the train compartment, so that the sealing airbag ring is in close contact with the inner wall of the train compartment and the inner wall of the sealing groove, and when the partition plate is placed upright in the train compartment, it will enclose the left wall, right wall, top wall, bottom wall and rear wall of the train compartment to form a closed space, and the negative pressure device is arranged on the outer side of the train compartment and is connected to the closed space.

2. The negative pressure cabin based on a train compartment according to claim 1, characterized in that: The inflation device includes an inflatable airbag and a pressure component driven by a pull rope. The inflatable airbag is connected to the sealed airbag ring. The pressure component is arranged on the partition plate to apply pressure to the inflatable airbag when the pull rope is pulled, so that the gas in the inflatable airbag is filled into the sealed airbag ring.

3. The negative pressure cabin based on a train compartment according to claim 2, characterized in that: The partition plate has an assembly cavity whose lower end is connected to the sealing groove. The inflatable airbag is located in the assembly cavity and is connected to the sealing airbag ring through the lower end. The pressure component is located in the assembly cavity and above the inflatable airbag. When the pull rope is pulled, the pressure component will apply downward pressure to the upper end of the inflatable airbag.

4. The negative pressure cabin based on a train compartment according to claim 3, characterized in that: The pressure assembly includes a pressure piece longitudinally slidably assembled in the assembly cavity, and a first fixed pulley and a second fixed pulley arranged in the assembly cavity, the first fixed pulley is located above the second fixed pulley, the upper end of the pressure piece is located above the second fixed pulley, one end of the pull rope is fixedly connected to the upper end of the pressure piece, and the other end of the pull rope passes around the second fixed pulley and the first fixed pulley in turn and passes through the side of the partition plate away from the hinge.

5. The negative pressure cabin based on a train compartment according to claim 4, characterized in that: The outgoing end of the draw rope is fixedly connected with a draw hook.

6. The negative pressure cabin based on a train compartment according to claim 5, characterized in that: The inner wall of the train compartment is provided with a hook ring adapted to the draw hook.

7. The negative pressure cabin based on a train compartment according to claim 4, characterized in that: The pressure-applying piece is rectangular and has a front-to-back penetrating structure.

8. The negative pressure cabin based on a train compartment according to claim 4, characterized in that: The first fixed pulley and the second fixed pulley are both arranged in the assembly cavity through a rotating shaft and a bearing.

9. The negative pressure cabin based on a train compartment according to claim 3, characterized in that: The inflatable airbag is a corrugated elastic structure, and when the inflatable airbag is not compressed, it will stretch and open under the action of its own elastic force.

10. The negative pressure cabin based on a train compartment according to claim 1, characterized in that: The partition plate has a door slot in the middle, and a closing door for closing the door slot is hingedly connected to one side of the partition plate.

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