Epidemic prevention combined ward

Abstract

The utility model discloses an epidemic prevention combined sickroom which comprises a sickroom body, a negative pressure exhaust pipe penetrating through a top plate of the sickroom body, a room door installed on the sickroom body in an opening and closing mode, a connection combination assembly, an insertion block, a protection assembly and a filter screen. The connecting and combining assemblies are arranged on the outer walls of one sides of the ward bodies, the inserting blocks are arranged on the outer walls of the other sides of the ward bodies, and the inserting blocks are movably inserted into the connecting and combining assemblies, so that the two adjacent ward bodies are connected and combined; a ventilation opening is reserved in the wall of the ward body, and the filter screen is detachably installed on the ventilation opening in a covering mode through the protection assembly. The utility model relates to the technical field of ward construction, and can solve the problems that in the prior art, an epidemic prevention combined ward is convenient to connect, and a ventilation opening lacks a protection structure.

Description

Technical Field

[0001] The utility model relates to the technical field of ward construction, in particular to a peacetime and epidemic situation combined ward. Background Art

[0002] The structure of the inpatient wards in general hospitals and the isolation wards in infectious disease hospitals have different design standards. Among them, the isolation wards need to meet the design requirements of "three zones and two channels". The number of existing general wards is far greater than that of isolation wards. When a major infectious disease outbreak occurs, a large number of temporary infectious disease isolation wards are needed, which will result in the inability to fully utilize the resources of existing general hospitals, a large amount of money and time for building new hospitals, and even delay diagnosis and treatment of the disease, causing the spread of the epidemic.

[0003] Chinese utility model patent CN219993273U discloses a combined ward for peace and epidemics, including a main body of a house, a negative pressure exhaust duct is arranged in the main body of the house, one end of the negative pressure exhaust duct extends to the outside of the main body of the house, a first vent and a second vent are opened on the main body of the house, the first vent is higher than the second vent, and a control mechanism is arranged in the main body of the house, the control mechanism is used to open or close the first vent and the second vent at the same time. The wards on both sides of the combined ward for peace and epidemics are connected by bolts, and the bolts need to be screwed by tools during installation, which is inconvenient to operate, the number of bolts is large, and the number of screwing turns is large, resulting in cumbersome and low efficiency in connecting and combining the wards, and inconvenient for connecting the wards.

[0004] At the same time, since the ventilation openings of the wards lack protective structures, dust in the air and small mosquitoes outside can easily enter the wards through the ventilation openings, affecting the people inside the wards. Therefore, it is necessary to provide a combined ward for peacetime and epidemic prevention, which can solve the problem of convenient connection and lack of protective structures for ventilation openings of combined wards for peacetime and epidemic prevention in the prior art. Summary of the invention

[0005] The utility model aims to provide a combined normal and epidemic ward, which can solve the problems of convenient connection and lack of protective structure for ventilation openings of the combined normal and epidemic wards in the prior art.

[0006] The utility model is achieved in this way:

[0007] A combined peacetime and epidemic ward, comprising a ward body, a negative pressure exhaust duct penetrating a top plate of the ward body, and a door installed on the ward body in an openable manner;

[0008] The combined peacetime and epidemic ward also includes a connecting assembly, an insert block, a protective assembly and a filter; the connecting assembly is arranged on an outer wall on one side of the ward body, the insert block is arranged on an outer wall on the other side of the ward body, and the insert block is movably inserted into the connecting assembly to connect two adjacent ward bodies; a ventilation hole is reserved on the wall of the ward body, and the filter is detachably covered on the ventilation hole through the protective assembly.

[0009] The connecting assembly includes a connecting block and an insert rod; the connecting block is a C-shaped structure with one end open, the closed end of the connecting block is fixedly mounted on an outer wall of one side of the ward body, and the open end of the connecting block is arranged facing the ward body adjacent thereto, so that the insert block can be matched and inserted into the opening of the connecting block; a through hole is formed in the connecting block, and a blind hole is formed in the insert block, one end of the insert rod passes through the through hole and is inserted into the blind hole, so that the connecting block and the insert block are movably connected through the insert rod.

[0010] A guide block is movably provided on the connecting block, and the guide block is rotatably connected to the other end of the insertion rod through a round rod.

[0011] The insertion rod is sleeved with a first spring, which can be elastically embedded in the reserved groove of the connection block; one end of the first spring is fixedly connected to the insertion rod, and the other end of the first spring is fixedly connected to the inner wall of the reserved groove.

[0012] The protection component includes a reset mechanism, a cross bar and a circular ring; one end of the cross bar is movably embedded in the outer wall of the ward body through the reset mechanism, and a plurality of cross bars are arranged along the outer circumference of the vent; the other end of the cross bar is connected to the circular ring, so that the circular ring can be attached to the outer wall of the ward body through the reset mechanism, and the filter screen is pressed between the circular ring and the outer wall of the ward body.

[0013] The reset mechanism includes a second spring, a limit block, a round block, a slider and a long oblique groove; the middle part of the long oblique groove is rotatably arranged in a reserved cavity on the outer wall of the wall of the ward body, the limit block is arranged at one end of the cross bar and is slidably embedded in the reserved cavity on the outer wall of the wall of the ward body, a sliding bar is formed on the limit block and passes through one side of the long oblique groove, the round block is fixedly arranged at one end of the cross bar and can slide through the other side of the long oblique groove; the second spring is arranged in the hollow inner cavity of the cross bar, one end of the second spring is fixedly connected to the other end of the cross bar through the slider, the other end of the second spring is fixedly connected to the limit block, and the slider is fixedly connected to the ring.

[0014] A sealing ring is embedded at the edge of the filter screen, so that the filter screen is sealed at the vent through the sealing ring.

[0015] A notch is formed at the bottom of the ward body, a cross bar is movably embedded in the notch through an electric push rod, and a plurality of rollers are arranged at intervals at the bottom of the cross bar.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. The utility model is provided with a connecting assembly and an insert block. The guide block drives the insert rod to move outward through the round rod and compresses the first spring. Then the guide block is rotated, and the guide block drives the round rod to rotate ninety degrees relative to the insert rod. The insert rod is lifted by the guide block, and the adjacent ward bodies can be plugged in through the connecting block and the insert block. Then the guide block is rotated in the opposite direction and the first spring is used to reset, so that the connecting block and the insert block are plugged and fixed through the insert rod, thereby realizing the connection of the adjacent ward bodies without the use of bolts, making the connection operation of the ward bodies more convenient and efficient.

[0018] 2. Since the utility model is provided with a protective component and a filter screen, the filter screen can be inserted between the vent of the ward body and the ring by pulling the ring to move outward, the ring drives the cross bar to move outward, the cross bar drives the round block to move outward, the round block drives the limit block to move inward and stretches the second spring to compress it, and the ring is loosened and the elastic force of the second spring is used to drive the ring to reset, so that the cover is pressed tightly on the vent by the ring filter screen, avoiding the problem that dust and small mosquitoes in the external environment air can easily enter the ward through the vent, causing inconvenience for people in the ward, thereby ensuring the health and safety of doctors and patients. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the utility model combined peacetime and epidemic situation ward;

[0020] Figure 2 This is a three-dimensional diagram of the connection of the utility model combined peacetime and epidemic situation ward;

[0021] Figure 3 yes Figure 2 The enlarged schematic diagram of point A in the middle;

[0022] Figure 4 It is a cross-sectional view of the utility model combined peacetime and epidemic situation ward;

[0023] Figure 5 yes Figure 4 A magnified schematic diagram of point B in the middle.

[0024] In the figure, 1 is the ward body, 2 is the door, 3 is the connecting assembly, 301 is the first spring, 302 is the guide block, 303 is the connecting block, 304 is the round rod, 305 is the plug rod, 4 is the protective assembly, 4a1 is the second spring, 4a2 is the limit block, 4a3 is the round block, 4a4 is the slider, 4a5 is the cross bar, 4a6 is the ring, 4a7 is the long inclined groove, 4b1 is the sealing ring, 5 is the plug block, 6 is the filter screen, 7 is the negative pressure exhaust duct, 8 is the electric push rod, 9 is the cross bar, and 10 is the roller. DETAILED DESCRIPTION

[0025] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0026] Please see attached Figure 1 and attached Figure 2 A combined peacetime and epidemic situation ward comprises a ward body 1, a negative pressure exhaust duct 7 penetrating the top plate of the ward body 1, and a door 2 installed on the ward body 1 in an opening and closing manner; the ward body 1 adopts a conventional combined peacetime and epidemic situation ward, and the negative pressure exhaust duct 7 and the door 2 are installed according to the design requirements, and other components such as windows can also be installed when necessary, which will not be repeated here.

[0027] The described peacetime and epidemic combined ward also includes a connecting assembly 3, an insert block 5, a protective assembly 4 and a filter screen 6; the connecting assembly 3 is arranged on the outer wall of one side of the ward body 1, and the insert block 5 is arranged on the outer wall of the other side of the ward body 1, and the insert block 5 is movably inserted into the connecting assembly 3 to connect two adjacent ward bodies 1; a ventilation hole (not shown in the figure) is reserved on the wall of the ward body 1, and the filter screen 6 is detachably installed on the ventilation hole through the protective assembly 4.

[0028] The connection assembly 3 is used to cooperate with the plug block 5 to connect the adjacent ward bodies 1. The plug-in method can ensure reliable connection while improving the convenience of connection. The protection assembly 4 is used to detachably install the filter screen 6, which is used to filter the air entering the ward body 1 to reduce dust entrained in the air and prevent small mosquitoes and insects from entering the ward body 1.

[0029] Please see attached Figure 3 The connection assembly 3 includes a connection block 303 and an insertion rod 305; the connection block 303 is a C-shaped structure with one end open, and the closed end of the connection block 303 is fixedly mounted on the outer wall of one side of the ward body 1, and the open end of the connection block 303 is arranged facing the ward body 1 adjacent thereto, so that the insertion block 5 can be matched and inserted into the opening of the connection block 303; a through hole (not shown in the figure) is formed in the connection block 303, and a blind hole (not shown in the figure) is formed in the insertion block 5, and one end of the insertion rod 305 passes through the through hole and is inserted into the blind hole, so that the connection block 303 and the insertion block 5 are movably connected through the insertion rod 305.

[0030] The connection block 303 and the plug block 5 can be pre-buried on the outer wall of the ward body 1 when the ward body 1 is manufactured. The size, quantity and material of the connection block 303, the plug block 5 and the plug rod 305 are selected according to the connection strength and required adaptability to ensure the connection reliability of adjacent ward bodies 1. The opening size of the connection block 303 is determined according to the size of the plug block 5 to prevent the adjacent ward bodies 1 from loosening or slipping after being connected.

[0031] The plug-in connection between the plug rod 305 and the through hole and the blind hole can ensure the connection reliability between the connecting block 303 and the plug-in block 5, and the plug-in is convenient. Compared with the threaded connection in the prior art, it improves the construction efficiency while ensuring reliability.

[0032] Preferably, the connection block 303 and the plug block 5 are arranged in pairs, and 4-6 pairs may be arranged, and an insertion rod 305 is arranged at the top and bottom of each pair of the connection block 303 and the plug block 5.

[0033] Please see attached Figure 3 The connecting block 303 is movably provided with a guide block 302 , and the guide block 302 is rotatably connected to the other end of the insertion rod 305 through a round rod 304 .

[0034] Preferably, the guide block 302 can adopt a rectangular structure, and the guide block 302 can rotate around the round rod 304 relative to the plug rod 305. When the guide block 302 rotates until the short side is attached to the connecting block 303, the round rod 304 and the plug rod 305 are lifted up, so that one end of the plug rod 305 can be separated from the blind hole, thereby ensuring the plugging or disassembly of the plug block 5 and the connecting block 303. When the guide block 302 rotates until the long side is attached to the connecting block 303, one end of the plug rod 305 can be inserted into the blind hole, thereby ensuring the plugging and fixing of the plug block 5 and the connecting block 303.

[0035] Please see attached Figure 3 The insertion rod 305 is sleeved with a first spring 301, and the first spring 301 can be elastically embedded in the reserved groove of the connecting block 303; one end of the first spring 301 is fixedly connected to the insertion rod 305, and the other end of the first spring 301 is fixedly connected to the inner wall of the reserved groove.

[0036] The first spring 301 can be a metal spring, and its elastic coefficient can be adaptively selected according to actual needs. After installation, the first spring 301 is in a slightly compressed state. When the plug rod 305 is lifted up, the first spring 301 is further compressed in the reserved groove of the connecting block 303, and the first spring 301 accumulates force. When the plug rod 305 is lowered, the elastic force of the first spring 301 is used to reset the plug rod 305 to the blind hole, thereby realizing the plug-in fixation of the plug block 5 and the connecting block 303. The first spring 301 returns to a slightly compressed state to ensure that the plug-in of the plug block 5 and the connecting block 303 is reliable and does not fall out.

[0037] Please see attached Figure 4 and attached Figure 5The protection assembly 4 includes a reset mechanism, a cross bar 4a5 and a ring 4a6; one end of the cross bar 4a5 is movably embedded in the outer wall of the ward body 1 through the reset mechanism, and a plurality of cross bars 4a5 are arranged along the outer circumference of the vent; the other end of the cross bar 4a5 is connected to the ring 4a6, so that the ring 4a6 can be attached to the outer wall of the ward body 1 through the reset mechanism, and the filter 6 is pressed between the ring 4a6 and the outer wall of the ward body 1.

[0038] The ring 4a6 can be a circular ring structure, and the shape and size of the ring 4a6 can also be adjusted according to the rectangular or other forms of the vents, and the ring 4a6 can be slightly larger than the vents. The reset mechanism and the crossbar 4a5 are arranged in groups, and multiple groups can be arranged along the circumference of the ring 4a6, preferably four groups are arranged at equal intervals to ensure that the ring 4a6 can press the filter 6 against the outer wall of the ward body 1 and cover the vents.

[0039] Preferably, the cross bar 4a5 can be made of a steel pipe, and the ring 4a6 can be made of a steel plate.

[0040] Please see attached Figure 5 The reset mechanism includes a second spring 4a1, a limit block 4a2, a round block 4a3, a slider 4a4 and a long oblique groove 4a7; the middle part of the long oblique groove 4a7 is rotatably arranged in a reserved cavity on the outer wall of the wall of the ward body 1 through a rotating shaft, the limit block 4a2 is arranged at one end of the cross bar 4a5 and is slidably embedded in the reserved cavity on the outer wall of the wall of the ward body 1, and a slide bar (not shown in the figure) is formed on the limit block 4a2 to pass through one side of the long oblique groove 4a7, and the round block 4a3 is fixedly arranged at one end of the cross bar 4a5 and can slide through the other side of the long oblique groove 4a7; the second spring 4a1 is arranged in the hollow inner cavity of the cross bar 4a5, one end of the second spring 4a1 is fixedly connected to the other end of the cross bar 4a5 through the slider 4a4, the other end of the second spring 4a1 is fixedly connected to the limit block 4a2, and the slider 4a4 is fixedly connected to the ring 4a6.

[0041] The second spring 4a1 can be a metal spring, and its elastic coefficient can be adaptively selected according to actual needs; the second spring 4a1 is in a slightly stretched state after installation. The limit block 4a2, the round block 4a3 and the slider 4a4 can be made of steel blocks, which have high structural strength and are not easy to wear.

[0042] Preferably, the slider 4a4 can be screwed on the ring 4a6, and when the ring 4a6 is pulled outward (away from the ward body 1), the slider 4a4 can drive the crossbar 4a5 and the round block 4a3 thereon to be pulled outward synchronously. When the round block 4a3 is pulled outward, the horizontal movement of the round block 4a3 is converted into the rotation of the long inclined groove 4a7 around its central rotation axis, so that the sliding rod on the other side of the long inclined groove 4a7 pusher moves inward (toward the ward body 1), and then the limit block 4a2 is synchronously pushed inward, further stretching the second spring 4a1, and the second spring 4a1 accumulates force.

[0043] After installing the filter 6, release the ring 4a6, and under the elastic force of the second spring 4a1, pull the slider 4a4, the crossbar 4a5 and the ring 4a6 inward to reset. The crossbar 4a5 drives the round block 4a3 to move inward synchronously, drives the long inclined groove 4a7 to rotate in the opposite direction around its central rotation axis, pushes the slide bar outward, and then pushes the limit block 4a2 outward synchronously until the ring 4a6 presses the edge of the filter 6 against the wall to ensure the filtering effect of the vent. At this time, the second spring 4a1 is in a slightly stretched state, thereby ensuring that the filter 6 is pressed and does not fall off.

[0044] Preferably, the limit block 4a2 and its sliding rod, the round block 4a3 and the long oblique groove 4a7 are arranged in groups, preferably 4 groups are arranged at equal intervals along one end of the cross bar 4a5. A sliding groove along the thickness direction of the wall is reserved in the wall of the ward body 1 for linear sliding of the limit block 4a2 to prevent the limit block 4a2 from turning with the long oblique groove 4a7, thereby ensuring the linear motion stability of the ring 4a6 away from or close to the wall of the ward body 1.

[0045] Please see attached Figure 5 A sealing ring 4b1 is embedded at the edge of the filter screen 6, so that the filter screen 6 is sealed at the vent through the sealing ring 4b1.

[0046] Preferably, the sealing ring 4b1 can be a rubber sealing ring, which plays a role of pressing and preventing slipping, thereby further preventing the filter screen 6 from falling off.

[0047] Please see attached Figure 4 A notch is formed at the bottom of the ward body 1, and a cross bar 9 is movably embedded in the notch through an electric push rod 8, and a plurality of rollers 10 are arranged at intervals at the bottom of the cross bar 9.

[0048] Preferably, the electric push rod 8 can adopt an electrically driven vertical telescopic rod, the fixed end of the electric push rod 8 is installed on the top surface of the notch, and the top extension end of the electric push rod 8 is set downward. The electric push rod 8 can be arranged in a matrix in the notch, and the bottom of the top extension end of each row of electric push rods 8 is connected to a cross bar 9 made of a steel beam, and a plurality of universal wheels, i.e., rollers 10, are installed at the bottom of each cross bar 9.

[0049] All electric push rods 8 are extended synchronously to push the cross bar 9 downward, and the ground is used to generate a reaction force on the ward body 1, so that the ward body 1 is pushed upward and off the ground, and the ward body 1 can be moved by the rollers 10, which facilitates the movement and connection of the ward body 1.

[0050] Please see attached Figure 1 To Attachment Figure 5 , the method of using the utility model is:

[0051] The user pulls the guide block 302 away from the connection block 303, and the guide block 302 drives the round rod 304 and the insertion rod 305 to move synchronously, and the insertion rod 305 is pulled out of the blind hole, and the first spring 301 is compressed and stored. The guide block 302 is rotated around the round rod 304, so that the short side of the guide block 302 is pressed against the connection block 303 by the elastic force of the first spring 301, and the insertion rod 305 is lifted up to ensure that the insertion block 5 is plugged into the opening of the connection block 303.

[0052] After the plug block 5 is inserted into the opening of the connecting block 303, the guide block 302 is rotated back to fit the long side with the connecting block 303, so that one end of the plug rod 305 is inserted into the blind hole and reset under the elastic force of the first spring 301, and the plug block 5 is connected and locked with the connecting block 303, thereby connecting the adjacent ward bodies 1 together. The entire connection process does not require the use of bolts, and the connection efficiency is higher and the operation is more convenient.

[0053] When connecting adjacent ward bodies 1, the crossbar 9 can be pushed downward by the electric push rod 8, and the reaction force of the ground can be used to lift the ward body 1 off the ground, so that the ward body 1 can be easily moved by the rollers 10 to ensure the connection of the ward body 1.

[0054] The user pulls the ring 4a6 in the direction away from the ward body 1, and the ring 4a6 drives the cross bar 4a5 to move synchronously, and the cross bar 4a5 drives the round block 4a3 to move synchronously. The round block 303 is restricted by the long inclined groove 4a7, so that the lateral movement of the round block 4a3 is converted into the rotation of the long inclined groove 4a7 around its rotation axis, so that the long inclined groove 4a7 is used to push the sliding rod on the limit block 4a2 to move toward the ward body 1, and the limit block 4a2 is pushed toward the ward body 1, so that the second spring 4a1 is stretched and stored.

[0055] After the ring 4a6 is pulled to a certain distance away from the outer wall of the ward body 1, the filter 6 can be inserted between the ring 4a6 and the outer wall of the ward body 1 to cover the vent. The ring 4a6 is released, so that the ring 4a6 is reset under the elastic force of the second spring 4a1 and the filter 6 is pressed against the vent to filter the air entering the ward body 1 and reduce the dust, small mosquitoes and the like in the air from entering the ward body 1.

[0056] The above are only preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A combined normal and epidemic ward, comprising a ward body (1), a negative pressure exhaust duct (7) penetrating the top plate of the ward body (1), and a door (2) installed on the ward body (1) in an openable manner; Its characteristics are: The combined normal and epidemic ward also includes a connecting assembly (3), an insert block (5), a protective assembly (4) and a filter screen (6); the connecting assembly (3) is arranged on one side outer wall of the ward body (1), the insert block (5) is arranged on the other side outer wall of the ward body (1), and the insert block (5) is movably plugged into the connecting assembly (3) so that two adjacent ward bodies (1) are connected and combined; a ventilation hole is reserved on the wall of the ward body (1), and the filter screen (6) is detachably mounted on the ventilation hole through the protective assembly (4).

2. The combined normal and epidemic ward according to claim 1 is characterized in that: The connection assembly (3) comprises a connection block (303) and an insertion rod (305); the connection block (303) is a C-shaped structure with one end open, the closed end of the connection block (303) is fixedly mounted on an outer wall of one side of the ward body (1), and the open end of the connection block (303) is arranged facing the ward body (1) adjacent thereto, so that the insertion block (5) can be matched and inserted into the opening of the connection block (303); a through hole is formed in the connection block (303), and a blind hole is formed in the insertion block (5), and one end of the insertion rod (305) passes through the through hole and is inserted into the blind hole, so that the connection block (303) and the insertion block (5) are movably connected via the insertion rod (305).

3. The combined hospital and epidemic ward according to claim 2 is characterized by: A guide block (302) is movably provided on the connecting block (303), and the guide block (302) is rotatably connected to the other end of the insertion rod (305) via a round rod (304).

4. The combined hospital and epidemic ward according to claim 3 is characterized by: The insertion rod (305) is sleeved with a first spring (301), and the first spring (301) can be elastically embedded in the reserved groove of the connection block (303); one end of the first spring (301) is fixedly connected to the insertion rod (305), and the other end of the first spring (301) is fixedly connected to the inner wall of the reserved groove.

5. The combined normal and epidemic ward according to claim 1 is characterized by: The protective assembly (4) comprises a reset mechanism, a cross bar (4a5) and a circular ring (4a6); one end of the cross bar (4a5) is movably embedded in the outer wall of the ward body (1) through the reset mechanism, and a plurality of cross bars (4a5) are arranged along the outer circumference of the vent; the other end of the cross bar (4a5) is connected to the circular ring (4a6), so that the circular ring (4a6) can be attached to the outer wall of the ward body (1) through the reset mechanism, and the filter screen (6) is pressed between the circular ring (4a6) and the outer wall of the ward body (1).

6. The combined normal and epidemic ward according to claim 5 is characterized by: The reset mechanism comprises a second spring (4a1), a stop block (4a2), a round block (4a3), a sliding block (4a4) and a long oblique groove (4a7); the middle part of the long oblique groove (4a7) is rotatably arranged in a reserved cavity on the outer wall of the ward body (1); the stop block (4a2) is arranged at one end of the cross bar (4a5) and is slidably embedded in the reserved cavity on the outer wall of the ward body (1); and a stop block (4a2) is formed on the stop block (4a2) and penetrates the long oblique groove (4a7). A sliding rod on one side, a round block (4a3) is fixedly arranged at one end of a cross bar (4a5) and can slide through the other side of the long oblique groove (4a7); a second spring (4a1) is arranged in the hollow inner cavity of the cross bar (4a5), one end of the second spring (4a1) is fixedly connected to the other end of the cross bar (4a5) through a sliding block (4a4), the other end of the second spring (4a1) is fixedly connected to a limit block (4a2), and the sliding block (4a4) is fixedly connected to a ring (4a6).

7. The combined normal and epidemic ward according to claim 1 or 5 is characterized in that: A sealing ring (4b1) is embedded at the edge of the filter screen (6), so that the filter screen (6) is sealed at the ventilation opening through the sealing ring (4b1).

8. The combined normal and epidemic ward according to any one of claims 1, 2, 5, and 6, characterized in that: A notch is formed at the bottom of the ward body (1), and a crossbar (9) is movably embedded in the notch through an electric push rod (8). A plurality of rollers (10) are arranged at intervals at the bottom of the crossbar (9).

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