Biological safety airtight door

Abstract

The utility model belongs to the technical field of biological safety, and particularly relates to a biological safety airtight door. Comprising a door frame, a door leaf, an inflation rubber strip, an inflation pipeline, a fixed part, a movable part, a threaded connector and an inflation connector, the fixed part is arranged on the door frame, the movable part is arranged on the door leaf, the inflation pipeline is installed in the door frame and penetrates through the fixed part and the movable part, the threaded connector is arranged in the movable part, and one end of the threaded connector is connected with the inflation pipeline entering the movable part. The other end of the air inflation connector is connected with the air inflation connector, the air inflation connector is arranged in the door leaf and connected with the air inflation rubber strip, and the air inflation rubber strip is arranged on the periphery of the door leaf. The inflation pipeline is arranged in the door frame, penetrates through the fixed part and the movable part which are arranged on the door frame and is connected with the threaded connector arranged on the movable part, the threaded connector is connected with the inflation connector arranged in the door leaf inner frame, and the inflation connector inflates the inflation rubber strip. And all connecting pieces are arranged in the airtight door, so that the inflating pipeline is protected in a sealing manner.

Description

Technical Field

[0001] The utility model belongs to the technical field of biosafety, in particular to a biosafety airtight door. Background Art

[0002] Airtight doors are important protective equipment for biosafety laboratories. They can effectively isolate the laboratory from the external environment and prevent cross infection between rooms inside the laboratory, thus ensuring laboratory safety and personnel safety.

[0003] Most of the existing biosafety airtight doors on the market have the inflation pipeline for inflating the inflation strip directly arranged on the outside of the airtight door, and the inflation port is arranged on the upper part of the door frame to connect the inflation strip to inflate it. The exposed inflation pipeline is easily scratched and leaked, affecting the inflation of the inflation strip. In addition, the exposed inflation pipeline is messy, making the overall airtight door look complicated and unsophisticated, affecting the appearance.

[0004] The existing airtight door is only provided with one inflatable rubber strip. The sealing structure of this type of airtight door is single. Once the inflatable pipeline is damaged, its sealing performance cannot be guaranteed. Utility Model Content

[0005] The technical problem to be solved by the utility model is: to overcome the deficiencies of the prior art and to provide a biological safety airtight door in which an inflation pipeline is arranged inside a door frame to inflate an inflation strip.

[0006] The technical solution adopted by the utility model to solve its technical problems is: the biosafety airtight door comprises a door frame, a door leaf, an inflation strip, an inflation pipeline, a fixed part, a movable part, a threaded joint and an inflation joint, the fixed part is arranged on the door frame, the movable part is arranged on the door leaf, the inflation pipeline is installed in the door frame and passes through the fixed part and the movable part, the threaded joint is arranged in the movable part, one end of the threaded joint is connected to the inflation pipeline entering the movable part, and the other end is connected to the inflation joint, the inflation joint is arranged in the door leaf, the inflation joint is connected to the inflation strip, and the inflation strip is arranged around the door leaf.

[0007] Preferably, one side of the movable part is fixed on the door leaf, and the other side extends to the fixed part, and through holes for the inflation pipeline are provided on both the fixed part and the movable part, and the inflation pipeline is connected to the threaded joint through the through hole.

[0008] Preferably, the threaded joint is an L-shaped threaded joint, the horizontal portion of the threaded joint is connected to the inflation pipeline, and the vertical portion is connected to the inflation joint extending into the interior of the door leaf.

[0009] Preferably, a wire threading tube is arranged outside the inflation pipeline, and a reinforcing plate and a support plate for fixing the wire threading tube are arranged inside the door frame. Several reinforcing plates are arranged on both sides of the door frame, and reinforcing plate grooves are arranged on the reinforcing plates. Two support plates are arranged at two diagonal positions on the upper side of the door frame, and support plate through holes are arranged on the support plates. The wire threading tube is installed in the reinforcing plate grooves and the support plate through holes in sequence, and the inflation pipeline is arranged in the door frame along the wire threading tube.

[0010] Preferably, two inflatable rubber strips are provided, inflatable rubber strip grooves are provided on the four sides of the door leaf, an inflatable rubber strip groove protrusion is provided in the middle of the inflatable rubber strip groove, the inflatable rubber strip groove is divided into two grooves, and the two inflatable rubber strips are provided in the two grooves.

[0011] Preferably, the door leaf includes a door leaf plate, an inner frame, an inflatable rubber strip groove reinforcement plate and a rounded corner groove. The inner frame is arranged between two door leaf plates, the inflatable rubber strip groove reinforcement plate is fixed on the four sides of the inner frame, the rounded corner groove is fixed on the four corners of the inner frame, and the inflatable rubber strip groove reinforcement plate and the rounded corner groove are connected in sequence.

[0012] Preferably, a rounded groove protrusion is provided on the rounded groove, the inflatable rubber strip groove is installed on the inflatable rubber strip groove reinforcement plate, and the rounded groove and the inflatable rubber strip groove are connected in sequence to form a double inflatable rubber strip groove along a circle of the door leaf.

[0013] Preferably, a plurality of lightening grooves are provided on the inner frame.

[0014] Preferably, it also includes an electromagnetic lock, a control panel and a hinge, the electromagnetic lock is arranged on the door leaf and connected to the door frame, the control panel is arranged on the door frame, and the door leaf and the door frame are connected by a hinge.

[0015] Preferably, a visual window is provided on the door leaf.

[0016] Compared with the prior art, the technical solution has the following beneficial effects:

[0017] The utility model adopts an airtight door with an inflatable pipeline arranged inside the door frame. The inflatable pipeline is arranged inside the door frame, passes through a fixed part and a movable part arranged on the door frame, and is connected to a threaded joint arranged on the movable part. The threaded joint is further connected to an inflatable joint arranged in the inner frame of the door leaf, and the inflatable joint is used to inflate the inflatable rubber strip. Whether the door leaf is opened or closed, the connection between the inflatable pipeline and the inflatable rubber strip is not affected. All connectors are arranged inside the airtight door, the inflatable pipeline is protected by sealing, and the airtight door as a whole looks neater and more beautiful.

[0018] The utility model also adopts a sealing structure of two inflatable strips. The inflatable pipelines arranged inside the door frame inflate the two inflatable strips respectively. During use, if one inflatable strip cannot be used, the other inflatable strip can fully ensure the airtightness of the airtight door. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic structural diagram of a biosafety airtight door of the utility model.

[0020] Figure 2 It is an exploded schematic diagram of the door leaf of the utility model.

[0021] Figure 3 for Figure 2 A partial enlarged view of point A in the middle.

[0022] Figure 4 It is a structural schematic diagram of the utility model in which the double inflatable rubber strip is installed in the inflatable rubber strip groove and the rounded corner groove.

[0023] Figure 5 It is an exploded schematic diagram of the door frame of the utility model.

[0024] Figure 6 This is a front view of the door frame of the utility model with the upper door panel removed.

[0025] Figure 7 It is a structural schematic diagram of the connection between the wiring pipe and the threaded joint in the door frame of the utility model.

[0026] Figure 8 for Figure 7 A partial enlarged view of point B in the middle.

[0027] Fig. 9 It is a structural schematic diagram of the connection between the wiring pipe of the movable part and the threaded joint when the door leaf of the utility model is opened.

[0028] Fig.10 for Fig. 9 A partial enlarged view of point C in the middle.

[0029] Fig.11 It is a schematic diagram of the structure of the inflation port of the utility model when the door leaf is opened.

[0030] Fig.12 for Fig.11 A partial enlarged view of point D in the middle.

[0031] Wherein: 1, door frame 2, door leaf 3, inflatable rubber strip 4, inflatable rubber strip groove 401, inflatable rubber strip groove protrusion 402, inflatable rubber strip groove through hole 5, threading tube 6, electromagnetic lock 7, micro switch 8, control panel 9, movable part 10, fixed part 11, threaded joint 12, inflatable joint 13, door leaf plate 14, inner frame 15, inflatable rubber strip groove reinforcement plate 1501, inflatable rubber strip groove reinforcement plate through hole 16, rounded groove 1601, rounded groove protrusion 17, reinforcement plate 1701, reinforcement plate groove 18, support plate 1801, support plate through hole 19, visual window 20, door handle 21, pressure detection pipe 22, buried wire hole 23, threading hole 24, inflatable hole 25, hinge. DETAILED DESCRIPTION

[0032] Figures 1 to 12 It is the best embodiment of the utility model, and the following Figures 1 to 12 The utility model is further described.

[0033] Reference Figure 1 The biosafety airtight door comprises a door frame 1, a door leaf 2 and a double inflatable rubber strip 3 arranged around the door leaf, and the inflatable rubber strip grooves 4 are welded on the four sides of the door leaf 2, and the double inflatable rubber strip 3 is installed in the inflatable rubber strip grooves 4. The right side of the door leaf 2 is connected to the door frame 1 through a hinge 25. In this embodiment, there are two hinges 25, which are respectively located in the upper and lower parts of the door leaf 2. An electromagnetic lock 6 and a micro switch 7 connected to the door frame 1 are arranged on the upper side of the door leaf 2, a door handle 20 is arranged on the left side of the door leaf 2, and a control panel 8 is arranged on the right side of the door frame 1. The door frame 1 is connected to the wall of the biosafety laboratory. The door frame 1 is sealed and welded with 3mm thick AISI304 stainless steel, and the four inner corners of the door frame 1 are rounded, which is safe and hygienic. A plurality of buried wire holes 22 are arranged on the lower side of the door frame 1. In this embodiment, there are 12 buried wire holes 22 in total, which are convenient for fixing during engineering construction. A visual window 19 is provided on the door leaf 2. In this embodiment, the visual window 19 is a square double-sided safety glass, and each side is designed with double-layer laminated plastic. The installation boxes of the control panel 8, electromagnetic lock 6, position switch 7 and other components are all equipped with military-grade glass sintered aviation plugs to ensure safe and reliable sealing; the electromagnetic lock 6 and the position switch 7 are both located at the top of the door frame to prevent accidental touch by personnel.

[0034] Reference Figures 2~4The door leaf 2 includes a door leaf plate 13, an inner frame 14, an inflatable rubber strip groove reinforcement plate 15 and a rounded groove 16. The inner frame 14 is arranged between two door leaf plates 13. The inflatable rubber strip groove reinforcement plate 15 is a rectangular plate groove with a rectangular groove in the middle, which is welded to the four sides of the inner frame 14. The rounded groove 16 is welded to the four corners of the inner frame. The rounded groove 16 is connected to the inflatable rubber strip groove reinforcement plate 15 in sequence. A rounded groove protrusion 1601 is arranged in the middle of the rounded groove 16, which divides the rounded groove 16 into a double groove. The inner frame is welded as a whole with a 3mm thick AISI304 stainless steel square steel pipe, and the structure is stable and strong. A number of lightening grooves are arranged on the inner frame 14 to reduce the overall weight of the airtight door.

[0035] The inflatable rubber strip groove 4 is an inverted rectangular plate groove, with an inflatable rubber strip groove protrusion 401 in the middle, which divides the inflatable rubber strip groove 4 into double grooves. The inflatable rubber strip groove 4 is welded in the groove of the inflatable rubber strip groove reinforcement plate 15.

[0036] The inflatable rubber strip groove 4 and the rounded groove 16 are welded in sequence around the door leaf 2, the inflatable rubber strip groove protrusion 401 is connected to the rounded groove protrusion 1601, and the respective double grooves are connected to form an inflatable rubber strip groove along the door leaf 2, and the double inflatable rubber strips 3 are each pressed in the inflatable rubber strip groove to play a sealing role.

[0037] Reference Figures 5 and 6 The interior of the door frame 1 is hollow and is used to install the threading tube 5. The threading tube 5 is installed inside the door frame 1 through the reinforcing plate 17 and the supporting plate 18. The reinforcing plate 17 is a rectangular plate with a reinforcing plate groove 1701 in the middle. In this embodiment, there are 6 reinforcing plates 17, which are welded on the left and right sides of the door frame 1, and the threading tube 5 is installed in the reinforcing plate groove 1701. The supporting plate 18 is a rectangular plate with a through hole (1801). In this embodiment, there are 2 supporting plates 18, which are welded at the upper corners of the door frame 1. The supporting plate 18 is welded along the diagonal direction of the door frame 1, and the threading tube 5 is installed in turn on the reinforcing plate grooves 1701 and the supporting plate through holes 1801 on both sides, so as to be fixed in the door frame 1. The side of the door frame 1 is reserved with threading holes 23, which is convenient for users to pre-embed the inflation pipeline, power line, etc. in the room wall.

[0038] The threading tube 5 is provided to facilitate fixing the inflatable pipeline, power line, etc. in one place, and also plays a certain protective role. The inflatable pipeline passing through the threading tube 5 is connected to the inflatable rubber strip 3, and the other end of the threading tube 5 passes through the threading hole 23, and the pipeline therein is connected to the control cabinet.

[0039] Reference Figures 7 to 12A fixed portion 10 is arranged in the middle of the door frame 1, and a movable portion 9 is arranged in the middle of the door leaf 2. The fixed portion 10 is square, and the right side of the movable portion 9 is fixed on the door leaf 2. The upper and lower parts extend to one side of the fixed portion 10, forming a horizontal "concave shape". A through hole that is connected to the upper and lower parts is arranged inside the fixed portion 10, and the inflation pipeline in the door frame 1 is divided into two upper and lower paths along the through hole. A through hole that is first vertical, then horizontal, and then oblique is arranged inside the movable portion 9. The vertical through hole and a part of the horizontal through hole are arranged in the extension of the movable portion 9. The obliquely arranged through hole connects the groove on the door leaf 2 to form a channel for the inflation pipeline connected to the groove of the door leaf. The threaded joint 11 in this embodiment is an L-shaped threaded joint. The horizontal part of the L-shaped threaded joint is connected to the inflation pipeline passing through the fixed portion 10 and the movable portion 9, and the vertical part extends into the groove of the door leaf 2 to connect the inflation joint 12. The other end of the inflatable joint 12 is connected to the welding pipeline, which passes through the through hole 1501 provided on the inflatable rubber strip groove reinforcement plate 15 and the through hole 402 provided on the inflatable rubber strip groove 4 to connect the inflatable hole 24 to inflate the two inflatable rubber strips 3. The movable part 9 rotates with the door leaf 2, and the through holes of the fixed part 10 and the movable part 9 are much larger than the inflatable pipeline, so that the inflatable pipeline is not in a pulled-in state, and there is excess expansion and contraction. When the movable part 9 rotates with the door leaf 2, the inflatable pipeline is driven to extend and will not be disconnected.

[0040] The compressed air source passes the compressed air through the inflation pipeline in sequence through the threading hole 23 on the side of the door frame 1, through the door frame 1, through the fixed part 10, and connected to the L-shaped threaded joint 11 inside the movable part 9. The L-shaped threaded joint 11 is connected to the inflation joint 12. The other end of the inflation joint 12 is connected to the welding pipeline. The welding pipeline passes through the inflation strip groove reinforcement plate through hole 1501 and the inflation strip groove through hole 402, and is connected to the inflation strip 3 to inflate the inflation strip 3.

[0041] The above is only the preferred embodiment of the utility model, and does not limit the utility model in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the technical solution of the utility model still belongs to the protection scope of the technical solution of the utility model.

Claims

1. A biosafety airtight door, characterized in that: The invention comprises a door frame (1), a door leaf (2), an inflatable rubber strip (3), an inflatable pipeline, a fixed portion (10), a movable portion (9), a threaded joint (11) and an inflatable joint (12), wherein the fixed portion (10) is arranged on the door frame (1), the movable portion (9) is arranged on the door leaf (2), the inflatable pipeline is installed in the door frame (1) and passes through the fixed portion (10) and the movable portion (9), the threaded joint (11) is arranged in the movable portion (9), one end of the threaded joint (11) is connected to the inflatable pipeline entering the movable portion (9), and the other end is connected to the inflatable joint (12), the inflatable joint (12) is arranged in the door leaf (2), the inflatable joint (12) is connected to the inflatable rubber strip (3), and the inflatable rubber strip (3) is arranged around the door leaf (2).

2. A biosafety airtight door according to claim 1, characterized in that: One side of the movable part (9) is fixed to the door leaf (2), and the other side extends to the fixed part (10). Through holes are provided on both the fixed part (10) and the movable part (9), and the inflation pipeline is connected to the threaded joint (11) through the through hole.

3. A biosafety airtight door according to claim 1, characterized in that: The threaded joint (11) is an L-shaped threaded joint (11), the horizontal portion of the threaded joint (11) is connected to the inflation pipeline, and the vertical portion is connected to the inflation joint (12) extending into the interior of the door leaf (2).

4. A biosafety airtight door according to claim 1, characterized in that: A threading tube (5) is arranged outside the inflation pipeline, and a reinforcing plate (17) and a supporting plate (18) for fixing the threading tube (5) are arranged inside the door frame (1). A plurality of reinforcing plates (17) are arranged on both sides of the door frame (1), and a reinforcing plate groove (1701) is arranged on the reinforcing plate (17). Two supporting plates (18) are arranged at diagonal positions on the upper side of the door frame (1), and a supporting plate through hole (1801) is arranged on the supporting plate (18). The threading tube (5) is installed in the reinforcing plate groove (1701) and the supporting plate through hole (1801) in sequence, and the inflation pipeline is arranged inside the door frame (1) along the threading tube (5).

5. The biosafety airtight door according to claim 1, characterized in that: Two inflatable rubber strips (3) are provided, and inflatable rubber strip grooves (4) are provided on the four sides of the door leaf (2). An inflatable rubber strip groove protrusion (401) is provided in the middle of the inflatable rubber strip groove (4), dividing the inflatable rubber strip groove (4) into two grooves, and the two inflatable rubber strips (3) are arranged in the two grooves.

6. A biosafety airtight door according to claim 1, characterized in that: The door leaf (2) comprises a door leaf plate (13), an inner frame (14), an inflatable rubber strip groove reinforcement plate (15) and a rounded corner groove (16); the inner frame (14) is arranged between two door leaf plates (13); the inflatable rubber strip groove reinforcement plate (15) is fixed to four sides of the inner frame (14); the rounded corner groove (16) is fixed to four corners of the inner frame; and the inflatable rubber strip groove reinforcement plate (15) and the rounded corner groove (16) are connected in sequence.

7. A biosafety airtight door according to claim 6, characterized in that: A rounded groove protrusion (1601) is provided on the rounded groove (16), the inflatable rubber strip groove (4) is installed on the inflatable rubber strip groove reinforcement plate (15), and the rounded groove (16) and the inflatable rubber strip groove (4) are connected in sequence to form a double inflatable rubber strip groove along the door leaf (2).

8. The biosafety airtight door according to claim 6, characterized in that: A plurality of lightening grooves are provided on the inner frame (14).

9. The biosafety airtight door according to claim 1, characterized in that: It also comprises an electromagnetic lock (6), a control panel (8) and a hinge (25); the electromagnetic lock (6) is arranged on the door leaf (2) and connected to the door frame (1); the control panel (8) is arranged on the door frame (1); and the door leaf (2) and the door frame (1) are connected via the hinge (25).

10. The biosafety airtight door according to claim 1, characterized in that: A visual window (19) is provided on the door leaf (2).

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