Negative pressure quick suction device for modifying ambulance

Abstract

The utility model belongs to the technical field of ambulance equipment, and particularly relates to a negative pressure quick suction device for ambulance refitting, which comprises a filter box, two plate holes are formed in the right side of the filter box, a filter plate is arranged in one plate hole, a purification plate is arranged in the other plate hole, the filter plate is positioned above the purification plate, and the filter plate is positioned above the purification plate. Sealing seats are fixedly mounted on the right sides of the filtering plate and the purifying plate, spring cavities are formed in the sealing seats, sliding holes are formed between the sealing seats and the inner walls of the sides, close to the fixing seat, of the spring cavities, springback mechanisms are arranged in the spring cavities, and clamping mechanisms and purifying mechanisms are arranged between the filtering plate and the filtering box and between the purifying plate and the filtering box. The design is reasonable, by arranging the pressing mechanism, the purpose of conveniently disassembling the filter screen and the purification core can be achieved, by arranging the springback mechanism, the purpose of conveniently installing the filter plate and the purification plate can be achieved, and the purposes of saving time and labor in replacement of the filter screen and the purification core and improving the working efficiency can be achieved.

Description

Technical Field

[0001] The present application relates to the technical field of ambulance equipment, and in particular to a negative pressure quick suction device for ambulance modification. Background Art

[0002] The biggest feature of negative pressure ambulances is negative pressure, which can minimize the chance of cross-infection among medical staff when treating and transporting special diseases such as infectious diseases. Negative pressure can also render the air in the car harmless and then discharge it to prevent more people from being infected.

[0003] At present, a negative pressure ambulance exhaust filtration and disinfection device is disclosed in the Chinese patent announcement with the announcement number CN213284649U, which includes a suction arm, a gas filtration and disinfection box, a negative pressure fan, a gas pipe, a one-way valve and an exhaust pipe. The suction arm is connected to the upper interface of the gas filtration and disinfection box, the negative pressure fan is arranged at the bottom of the gas filtration and disinfection box, the exhaust port of the negative pressure fan is connected to the gas pipe, the gas pipe is connected to the one-way valve, the one-way valve is connected to the exhaust pipe, and the outlet end of the exhaust pipe passes through the exhaust pipe of the negative pressure ambulance for exhaust gas discharge and then extends to the outside. The air in the infection area of ​​the ambulance is filtered and disinfected for many times to kill the infectious source, bacteria and viruses in the gas, so as to ensure the cleanliness of the discharged gas; the one-way sealing valve is adopted to ensure the one-way flow of the gas discharged by the negative pressure fan of the medical cabin, and ensure that the airflow in the exhaust pipe does not flow back to the medical cabin.

[0004] In actual use, it is found that in the existing equipment, after working for a long time, the filter in the gas filter disinfection box needs to be cleaned, disinfected or replaced. However, the filter cannot be easily disassembled during cleaning, disinfection or replacement, which is time-consuming and laborious to disassemble the filter, affecting work efficiency. Therefore, we propose a negative pressure quick suction device for ambulance modification to solve the above problem. Utility Model Content

[0005] The purpose of the present application is to solve the shortcomings of the prior art that it is time-consuming and labor-intensive to disassemble the filter screen, which affects work efficiency, and to propose a negative pressure quick suction device for ambulance modification.

[0006] In order to achieve the above purpose, this application adopts the following technical solutions:

[0007] A negative pressure quick suction device for ambulance modification comprises a filter box, wherein two plate holes are provided on the right side of the filter box, a filter plate is arranged in one plate hole, a purification plate is arranged in the other plate hole, the filter plate is located above the purification plate, sealing seats are fixedly installed on the right sides of the filter plate and the purification plate, a spring cavity is provided in the sealing seat, a sliding hole is provided between the sealing seat and the inner wall of the spring cavity close to the fixed seat, a rebound mechanism is provided in the spring cavity, a clamping mechanism and a purification mechanism are provided between the filter plate and the purification plate and the filter box; a fixing seat is fixedly installed on the right side of the filter box, the fixing seat is located between the two plate holes, a functional cavity is provided in the fixing seat, a column hole is provided on the functional cavity and the right side of the fixing seat, a pressing mechanism is provided between the functional cavity and the column hole, limiting grooves are provided on the top and bottom of the fixing seat, the limiting grooves are connected with the functional cavity, an air inlet pipe and an exhaust pipe are respectively provided on the top and bottom of the filter box, and an ejection mechanism is provided in the functional cavity.

[0008] Preferably, the rebound mechanism includes a second spring and a spring plate, a second spring is fixedly installed on the inner wall of the spring cavity away from the fixed seat, and a spring plate is fixedly installed on the other end of the second spring. The spring plate is slidably connected to the inner walls on both sides of the spring cavity, and a limiting block is fixedly installed on the side of the spring plate close to the fixed seat. The limiting block is slidably connected to the sliding hole, and the other end of the limiting block extends into the limiting groove.

[0009] Preferably, the clamping mechanism includes a mounting seat and a plate slot, two mounting seats are fixedly mounted on the left inner wall of the filter box, a plate slot is provided on the right side of the mounting seat, and the filter plate and the purification plate are clamped with the corresponding plate slots.

[0010] Preferably, the purification mechanism includes a filter, a purification core and an ultraviolet disinfector. The filter plate is provided with a filter, the purification core is provided on the purification plate, and two ultraviolet disinfectors are provided on the inner wall at the top of the filter box and are respectively located on both sides of the air inlet pipe.

[0011] Preferably, the pressing mechanism includes a pressing column, a trapezoidal pressing block and a first spring. The pressing column is slidably installed in the column hole, the right end of the pressing column extends to the outside of the fixed seat, and the left end of the pressing column extends into the functional cavity. A trapezoidal pressing block is fixedly installed on the left end of the pressing column. The pressing column is sleeved with a first spring, and both ends of the first spring are fixedly connected to the trapezoidal pressing block and the inner wall of the functional cavity respectively.

[0012] Preferably, the ejection mechanism includes a ejection block, a trapezoidal push block and a third spring. The ejection block is slidably installed on the left inner wall of the functional cavity. The ejection block is adapted to the limit block. A trapezoidal push block is fixedly installed on the side of the ejection block away from the limit block. The same third spring is fixedly installed between the trapezoidal push block and the inner wall of the functional cavity. The trapezoidal push block is adapted to the trapezoidal pressure block. A sliding mechanism is arranged between the ejection block and the functional cavity.

[0013] Preferably, the sliding mechanism comprises a slider and a slide groove, the slider is arranged on the left side of the top block, the slide groove is opened on the left inner wall of the functional cavity, and the slider is slidably connected with the slide groove.

[0014] Preferably, guide grooves are provided at the top and the bottom of the fixing seat, and the limit blocks are matched with the guide grooves.

[0015] Beneficial effects of this application:

[0016] 1. Through the cooperation of the pressing column, the trapezoidal pressing block, the trapezoidal pushing block and the ejecting block, by pressing the pressing column to the left, the two ejecting blocks can be driven to move to the side away from each other, so that the corresponding limit blocks can be pushed out of the limit groove by the ejecting block, so that the sealing seat and the fixing seat can be separated, and by pulling the two sealing seats to the right, the filter plate and the purification plate can be driven to move to the right, so that the filter net and the purification core can be pulled out, so that the filter net and the purification core can be easily disassembled;

[0017] 2. Through the cooperation of the mounting seat and the plate groove, the filter plate and the purification plate can be snap-fitted with the corresponding plate grooves on the left side respectively. Through the cooperation of the limit block, the spring plate, the second spring and the guide groove, the limit block slides to the left in the guide groove. When the limit block slides into the limit groove, the second spring drives the spring plate and the limit block to reset through the rebound force, so that the limit block and the limit groove can be snap-fitted, the sealing seat and the fixing seat can be limited and fixed, the filter plate and the purification plate can be conveniently installed, and the replacement of the filter net and the purification core can be saved time and effort, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of a negative pressure quick suction device for ambulance modification proposed in this application;

[0019] Figure 2 This is a schematic diagram of the main cross-sectional structure of a negative pressure quick suction device for ambulance modification proposed in this application;

[0020] Figure 3 This is a schematic diagram of the structure of part A of a negative pressure quick suction device for ambulance modification proposed in this application;

[0021] Figure 4 This is a schematic structural diagram of part B of a negative pressure quick suction device for ambulance modification proposed in this application.

[0022] In the figure: 1. filter box; 2. mounting seat; 3. plate groove; 4. plate hole; 5. filter plate; 6. filter screen; 7. purification plate; 8. purification core; 9. fixing seat; 10. functional cavity; 11. sealing seat; 12. spring cavity; 13. pressing column; 14. trapezoidal pressure block; 15. first spring; 16. guide groove; 17. ultraviolet disinfector; 18. limiting groove; 19. second spring; 20. spring plate; 21. limiting block; 22. top block; 23. trapezoidal push block; 24. third spring; 25. slider; 26. slide groove; 27. intake pipe; 28. exhaust pipe. DETAILED DESCRIPTION

[0023] The technical solution of the present application will be clearly and completely described below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments of the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present application.

[0024] Reference Figure 1-4 A negative pressure quick suction device for ambulance modification includes a filter box 1, two plate holes 4 are provided on the right side of the filter box 1, a filter plate 5 is provided in one plate hole 4, a purification plate 7 is provided in the other plate hole 4, the filter plate 5 is located above the purification plate 7, the filter plate 5 and the purification plate 7 are fixedly installed on the right side with a sealing seat 11, a spring cavity 12 is provided in the sealing seat 11, a sliding hole is provided between the sealing seat 11 and the inner wall of the spring cavity 12 near the fixed seat 9, a rebound mechanism is provided in the spring cavity 12, the filter plate 5 and the purification plate 7 are fixedly installed on the right side with a sealing seat 11, a spring cavity 12 is provided in the sealing seat 11, a sliding hole is provided between the inner wall of the sealing seat 11 and the spring cavity 12 near the fixed seat 9, a rebound mechanism is provided in the spring cavity 12, and the filter plate 5 and the purification plate 7 are fixedly installed with the sealing seat 11. A snap-fit ​​mechanism and a purification mechanism are arranged between the filter boxes 1; a fixing seat 9 is fixedly installed on the right side of the filter box 1, and the fixing seat 9 is located between the two plate holes 4. A functional cavity 10 is opened in the fixing seat 9, and column holes are opened in the functional cavity 10 and the right side of the fixing seat 9. A pressing mechanism is arranged between the functional cavity 10 and the column hole. Limiting grooves 18 are arranged on the top and bottom of the fixing seat 9, and the limiting grooves 18 are connected with the functional cavity 10. An air inlet pipe 27 and an exhaust pipe 28 are respectively arranged on the top and bottom of the filter box 1, and an ejection mechanism is arranged in the functional cavity 10.

[0025] In this embodiment, the rebound mechanism includes a second spring 19 and a spring plate 20. The second spring 19 is fixedly installed on the inner wall of the spring cavity 12 away from the fixed seat 9, and the spring plate 20 is fixedly installed on the other end of the second spring 19. The spring plate 20 is slidably connected to the inner walls on both sides of the spring cavity 12, and a limiting block 21 is fixedly installed on the side of the spring plate 20 close to the fixed seat 9. The limiting block 21 is slidably connected to the sliding hole, and the other end of the limiting block 21 extends into the limiting groove 18. By providing a rebound mechanism, the second spring 19 drives the spring plate 20 and the limiting block 21 to reset through the rebound force, so that the limiting block 21 can be clamped with the limiting groove 18, and the purpose of limiting and fixing the sealing seat 11 and the fixed seat 9 can be achieved.

[0026] In this embodiment, the clamping mechanism includes a mounting seat 2 and a plate groove 3. Two mounting seats 2 are fixedly installed on the left inner wall of the filter box 1. A plate groove 3 is provided on the right side of the mounting seat 2. The filter plate 5 and the purification plate 7 are clamped with the corresponding plate grooves 3. By providing a clamping mechanism, the filter plate 5 and the left side of the purification plate 7 are respectively clamped with the corresponding plate grooves 3.

[0027] In this embodiment, the purification mechanism includes a filter screen 6, a purification core 8 and an ultraviolet disinfector 17. The filter screen 6 is provided on the filter plate 5, the purification core 8 is provided on the purification plate 7, and two ultraviolet disinfectors 17 are provided on the inner wall of the top of the filter box 1, respectively located on both sides of the air inlet pipe 27. By providing the purification mechanism, the ultraviolet disinfector 17 can disinfect the viruses in the gas in the filter box 1, and the purpose of thoroughly filtering and purifying the viruses in the gas can be achieved through the filter screen 6 and the purification core 8.

[0028] In this embodiment, the pressing mechanism includes a pressing column 13, a trapezoidal pressing block 14 and a first spring 15. The pressing column 13 is slidably installed in the column hole, the right end of the pressing column 13 extends to the outside of the fixed seat 9, and the left end of the pressing column 13 extends into the functional cavity 10. The left end of the pressing column 13 is fixedly installed with a trapezoidal pressing block 14, and the first spring 15 is sleeved on the pressing column 13. The two ends of the first spring 15 are respectively fixedly connected to the trapezoidal pressing block 14 and the inner wall of the functional cavity 10. By providing a pressing mechanism, the trapezoidal pressing block 14 can be driven to move to the left by pressing the pressing column 13 to the left, so that the two trapezoidal push blocks 23 can be pushed to move to the side away from each other, which can drive the first spring 15 to stretch, and the purpose of driving the pressing column 13 to move to the right by the rebound force of the first spring 15 can be achieved.

[0029] In this embodiment, the ejection mechanism includes a ejection block 22, a trapezoidal push block 23 and a third spring 24. The ejection block 22 is slidably installed on the left inner wall of the functional cavity 10. The ejection block 22 is adapted to the limit block 21. A trapezoidal push block 23 is fixedly installed on the side of the ejection block 22 away from the limit block 21. The same third spring 24 is fixedly installed between the trapezoidal push block 23 and the inner wall of the functional cavity 10. The trapezoidal push block 23 is adapted to the trapezoidal pressure block 14. A sliding mechanism is arranged between the ejection mechanism, so that the trapezoidal push block 23 can drive the two ejection blocks 22 to move to the side away from each other, so that the corresponding limit block 21 can be pushed by the ejection block 22, and the limit block 21 can be ejected out of the limit groove 18.

[0030] In this embodiment, the sliding mechanism includes a slider 25 and a slide groove 26. The slider 25 is arranged on the left side of the top block 22, and the slide groove 26 is opened on the left inner wall of the functional cavity 10. The slider 25 is slidably connected with the slide groove 26. By setting up the sliding mechanism, the top block 22 can move up and down more smoothly.

[0031] In this embodiment, guide grooves 16 are provided at the top and bottom of the fixing seat 9 , and the limit block 21 is adapted to the guide grooves 16 . The guide grooves 16 are provided so that the limit block 21 can be easily moved on the fixing seat 9 .

[0032] In the present application, when it is necessary to clean, disinfect or replace the filter screen 6 and the purification core 8, first, by pressing the pressing column 13 to the left, the trapezoidal pressing block 14 can be driven to move to the left, and the two trapezoidal pushing blocks 23 can be pushed to the side away from each other, and the two top blocks 22 can be driven to move to the side away from each other, so that the corresponding limit blocks 21 can be pushed out of the limit groove 18 by the top blocks 22, and the sealing seat 11 can be separated from the fixing seat 9. By pulling the two sealing seats 11 to the right, the filter plate 5 and the purification plate 7 can be driven to move to the right, and the filter screen 6 and the purification core 8 can be pulled out, so that the filter screen 6 and the purification core 8 can be easily disassembled. When the filter screen 6 and the purification core 8 need to be installed, by inserting the filter plate 5 and the purification plate 7 through the plate holes, the filter plate 5 and the left side of the purification plate 7 can be snapped into the corresponding plate groove 3 respectively. At this time, the limit block 21 slides to the left through the guide groove 16, and can drive the second spring 19 to shrink through the spring plate 20. When the limit block 21 slides into the limit groove 18, the second spring 19 drives the spring plate 20 and the limit block 21 to reset through the rebound force, so that the limit block 21 can be snapped into the limit groove 18, and the sealing seat 11 and the fixing seat 9 can be limited and fixed, so as to achieve the purpose of convenient installation of the filter plate 5 and the purification plate 7, and to achieve the purpose of saving time and effort in replacing the filter screen 6 and the purification core 8 and improving work efficiency.

[0033] The above descriptions are merely embodiments of the present application and are not intended to limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A negative pressure quick suction device for ambulance modification, characterized in that: The invention comprises a filter box (1), wherein two plate holes (4) are provided on the right side of the filter box (1), a filter plate (5) is provided in one of the plate holes (4), a purification plate (7) is provided in the other plate hole (4), the filter plate (5) is located above the purification plate (7), a sealing seat (11) is fixedly installed on the right side of the filter plate (5) and the purification plate (7), a spring cavity (12) is provided in the sealing seat (11), a sliding hole is provided between the inner wall of the sealing seat (11) and the spring cavity (12) on the side close to the fixed seat (9), a rebound mechanism is provided in the spring cavity (12), and a clamping mechanism and a purification mechanism are provided between the filter plate (5), the purification plate (7) and the filter box (1); A fixing seat (9) is fixedly installed on the right side of the filter box (1), and the fixing seat (9) is located between the two plate holes (4). A functional cavity (10) is provided in the fixing seat (9), and a column hole is provided between the functional cavity (10) and the right side of the fixing seat (9). A pressing mechanism is provided between the functional cavity (10) and the column hole. Limiting grooves (18) are provided on the top and bottom of the fixing seat (9), and the limiting grooves (18) are connected to the functional cavity (10). An air inlet pipe (27) and an exhaust pipe (28) are provided on the top and bottom of the filter box (1), respectively, and an ejection mechanism is provided in the functional cavity (10).

2. The negative pressure quick suction device for ambulance modification according to claim 1 is characterized in that: The rebound mechanism comprises a second spring (19) and a spring plate (20); the second spring (19) is fixedly mounted on the inner wall of the spring cavity (12) away from the fixing seat (9); the spring plate (20) is fixedly mounted on the other end of the second spring (19); the spring plate (20) is slidably connected to the inner walls of both sides of the spring cavity (12); a limiting block (21) is fixedly mounted on the side of the spring plate (20) close to the fixing seat (9); the limiting block (21) is slidably connected to the sliding hole; the other end of the limiting block (21) extends into the limiting groove (18).

3. The negative pressure quick suction device for ambulance modification according to claim 1 is characterized in that: The clamping mechanism comprises a mounting seat (2) and a plate slot (3); two mounting seats (2) are fixedly mounted on the left inner wall of the filter box (1); a plate slot (3) is provided on the right side of the mounting seat (2); and the filter plate (5) and the purification plate (7) are clamped with the corresponding plate slots (3).

4. The negative pressure quick suction device for ambulance modification according to claim 1 is characterized in that: The purification mechanism comprises a filter screen (6), a purification core (8) and an ultraviolet disinfector (17); the filter screen (6) is arranged on the filter plate (5); the purification core (8) is arranged on the purification plate (7); and two ultraviolet disinfectors (17) are arranged on the inner wall of the top of the filter box (1) and are respectively located on both sides of the air inlet pipe (27).

5. The negative pressure quick suction device for ambulance modification according to claim 1 is characterized in that: The pressing mechanism comprises a pressing column (13), a trapezoidal pressing block (14) and a first spring (15); the pressing column (13) is slidably installed in the column hole; the right end of the pressing column (13) extends to the outside of the fixing seat (9); the left end of the pressing column (13) extends into the functional cavity (10); the left end of the pressing column (13) is fixedly installed with a trapezoidal pressing block (14); the pressing column (13) is sleeved with a first spring (15); the two ends of the first spring (15) are respectively fixedly connected to the trapezoidal pressing block (14) and the inner wall of the functional cavity (10).

6. The negative pressure quick suction device for ambulance modification according to claim 1, characterized in that: The ejection mechanism comprises an ejection block (22), a trapezoidal push block (23) and a third spring (24); the ejection block (22) is slidably mounted on the left inner wall of the functional cavity (10); the ejection block (22) is matched with the limit block (21); a trapezoidal push block (23) is fixedly mounted on the side of the ejection block (22) away from the limit block (21); a third spring (24) is fixedly mounted between the trapezoidal push block (23) and the inner wall of the functional cavity (10); the trapezoidal push block (23) is matched with the trapezoidal pressure block (14); and a sliding mechanism is arranged between the ejection block (22) and the functional cavity (10).

7. The negative pressure quick suction device for ambulance modification according to claim 6, characterized in that: The sliding mechanism comprises a slider (25) and a slide groove (26); the slider (25) is arranged on the left side of the top block (22); the slide groove (26) is arranged on the left inner wall of the functional cavity (10); and the slider (25) is slidably connected to the slide groove (26).

8. The negative pressure quick suction device for ambulance modification according to claim 2, characterized in that: The top and bottom of the fixing seat (9) are both provided with guide grooves (16), and the limiting block (21) is adapted to the guide grooves (16).

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