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CN-121976739-A - Be used for biosafety decontamination cabin of laboratory

CN121976739ACN 121976739 ACN121976739 ACN 121976739ACN-121976739-A

Abstract

The invention provides a decontamination cabin for a biosafety laboratory, which belongs to the technical field of decontamination cabin sealing and comprises an airtight mechanism, wherein the airtight mechanism comprises a decontamination cabin body, airtight doors are arranged at two ends and side surfaces of the decontamination cabin body, door frames are arranged outside the airtight doors, expansion adhesive tapes are arranged around the airtight doors, airtight components are arranged on the expansion adhesive tapes and used for expanding the expansion adhesive tapes to further seal gaps between the airtight doors and the door frames, a control panel and an emergency switch are arranged on the expansion adhesive tapes, the control panel and the emergency switch are threaded through threading pipes, the replacement mechanism comprises a door strip arranged at the upper end of the airtight doors, a sliding rail groove arranged at the upper end of the airtight doors is arranged at the inner side of the door strip, a drawing component and a locking component are arranged in an inner cavity of the sliding rail groove, and the drawing component and the locking component are mutually matched to further realize nondestructive installation and disassembly of the expansion adhesive tapes. The invention solves the problem that the traditional adhesive tape is easy to generate gaps after long-term use, so that pollutants escape.

Inventors

  • SHAO XINGWEI
  • YAO FEI
  • LI GUOCAI

Assignees

  • 苏州江南航天机电工业有限公司

Dates

Publication Date
20260505
Application Date
20251212

Claims (10)

  1. 1. A decontamination cabin for a biosafety laboratory is characterized by comprising, The airtight mechanism comprises an decontamination cabin body (10), airtight doors (11) are arranged at two ends and side surfaces of the decontamination cabin body (10), door frames (12) are arranged outside the airtight doors (11), expansion adhesive tapes (13) are arranged around the airtight doors (11), airtight components (14) are arranged on the expansion adhesive tapes (13), the airtight components (14) are used for enabling the expansion adhesive tapes (13) to expand so as to seal gaps between the airtight doors (11) and the door frames (12), a control panel (15) and an emergency switch (16) are arranged on the expansion adhesive tapes (13), and the control panel (15) and the emergency switch (16) are threaded through a threading pipe (17); the replacing mechanism comprises a door strip (20) arranged at the upper end of the airtight door (11), a sliding rail groove (21) arranged at the upper end of the airtight door (11) is formed in the inner side of the door strip (20), a drawing component (22) and a locking component (23) are arranged in the inner cavity of the sliding rail groove (21), and the drawing component (22) and the locking component (23) are mutually matched to further realize nondestructive installation and detachment of the expansion adhesive tape (13); the locking mechanism comprises a square groove (30) formed in the upper surface of the inner side of the sliding rail groove (21), a push-pull assembly (31) and an exhaust assembly (32) are arranged in the square groove (30), and the push-pull assembly (31) and the exhaust assembly (32) are used for exhausting gas in the expansion adhesive tape (13) under emergency.
  2. 2. The decontamination chamber for biosafety laboratory of claim 1, wherein the airtight assembly (14) comprises a flexible air inflation tube (141) arranged on the side part of the upper end of one side of the airtight door (11) and the door frame (12), an emergency air release valve (142) is connected to the lower end of the flexible air inflation tube (141), an air inlet tube (143) is connected to the upper end of the flexible air inflation tube (141), and the flexible air inflation tube (141) is connected with the inner cavity of the expansion rubber strip (13).
  3. 3. The decontamination chamber for biosafety laboratory of claim 1, wherein the drawing component (22) comprises a guide rod (221) which is arranged in an inner cavity of the sliding rail groove (21) in a sliding way, a turning plate (222) is rotatably connected to the front end of the guide rod (221), and the turning plate (222) is fixedly connected with the back surface of the door strip (20).
  4. 4. The decontamination cabin for the biosafety laboratory of claim 3, wherein a first T-shaped sliding groove (223) is formed in the lower end of the inner cavity of the sliding rail groove (21), a first T-shaped sliding rod (224) is arranged in the inner cavity of the first T-shaped sliding groove (223) in a sliding mode, an outer sleeve rod (225) is arranged in the middle of the upper surface of the guide rod (221), an upper limit groove (226) is formed in the outer side of the outer sleeve rod (225), and the upper limit groove (226) is formed in the middle of the upper surface of the sliding rail groove (21).
  5. 5. The decontamination chamber for a biosafety laboratory of claim 4, wherein the locking assembly (23) comprises an upper clamping block (231) fixedly arranged in the middle of the back of the guide rod (221), a lower clamping block (232) is arranged at the lower end of the upper clamping block (231) in a clamping manner, a spring telescopic rod (233) is arranged at the lower end of the lower clamping block (232), the spring telescopic rod (233) is fixedly arranged on the inner side of the bottom surface of the first T-shaped sliding groove (223), a retraction rod (234) is fixedly arranged in the middle of the lower surface of the guide rod (221) in a penetrating manner, an extension rod (235) is slidably arranged in an inner cavity of the retraction rod (234), and the extension rod (235) is arranged in the inner cavity of the outer sleeve rod (225) in a plugging manner.
  6. 6. The decontamination chamber for biosafety laboratory of claim 5, wherein a first limit bar (236) is inserted into the lower end of the extension bar (235), the back of the first limit bar (236) is fixedly connected with the lower clamping block (232), and a first compression spring (237) is elastically arranged between the bottom surface of the extension bar (235) and the bottom surface of the inner cavity of the retraction bar (234).
  7. 7. The decontamination cabin for the biosafety laboratory of claim 1, wherein the push-pull assembly (31) comprises a first push rod (311) movably penetrating through an inner cavity of the square groove (30), the other end of the first push rod (311) movably penetrates through the airtight door (11) and extends to the inner side wall of the door frame (12), one end of the first push rod (311) away from the square groove (30) is abutted to be provided with a second push rod (312), the second push rod (312) movably penetrates through the door frame (12) and extends to the middle part of the door frame (12), one end of the second push rod (312) away from the first push rod (311) is provided with an inclined surface, a trapezoid push block (313) is abutted to be provided on the inclined surface, the lower surface of one end of the trapezoid push block (313) away from the second push rod (312) is fixedly connected with a first pull rope (314), and the lower end of the first pull rope (314) is connected with the emergency release valve (142).
  8. 8. The decontamination cabin for the biosafety laboratory of claim 7, wherein a pull rope spring (315) is elastically connected to the upper surface of the trapezoid pushing block (313) for resetting, a reset spring (316) is sleeved outside one end of the inclined surface of the second pushing rod (312) and outside one end of the inner cavity of the square groove (30) where the first pushing rod (311) is located, and the reset spring (316) is used for resetting the first pushing rod (311) and the second pushing rod (312).
  9. 9. The decontamination cabin for the biosafety laboratory of claim 1, wherein the exhaust assembly (32) comprises a second T-shaped sliding groove (321) arranged on the upper surface of one end of a guide rod (221) far away from the turning plate (222), a second T-shaped sliding rod (322) is arranged in an inner cavity of the second T-shaped sliding groove (321), a second limiting bar (323) is fixedly arranged on one side of the first push rod (311), the second limiting bar (323) is in splicing arrangement with the first push rod (311), a second stay rope (324) is fixedly connected to the middle part of the surface of one end of the second T-shaped sliding rod (322) far away from the second limiting bar (323), a T-shaped sealing plate (325) is fixedly connected to the other end of the second stay rope (324), and the T-shaped sealing plate (325) is arranged on the top of the inner cavity of the extension rod (235) in a sliding manner.
  10. 10. The decontamination chamber for biosafety laboratory of claim 9, wherein a second compression spring (326) is elastically connected between the lower end of the T-shaped sealing plate (325) and the bottom surface of the inner cavity of the extension rod (235), so that the T-shaped sealing plate (325) seals the opening of the inner cavity of the extension rod (235) under the action of the second compression spring (326), an air outlet pipe (327) is fixedly arranged at the lower end of the inner cavity of the outer sleeve rod (225) in a penetrating way, and the air outlet pipe (327) is used for discharging air entering the inner cavity of the extension rod (235) from the expansion rubber strip (13).

Description

Be used for biosafety decontamination cabin of laboratory Technical Field The invention belongs to the technical field of decontamination cabin sealing, and particularly relates to a decontamination cabin for a biosafety laboratory. Background In recent years, a biosafety laboratory is used as a core place for researching and detecting pathogenic microorganisms, the risk of leakage of pollutants generated in the operation process is paid attention to, and a decontamination link of personnel and equipment when entering and exiting the laboratory becomes a key defense line for biosafety protection. At present, the traditional sealing structure is adopted in the existing decontamination cabin for biosafety laboratory, cabin door sealing is realized through simple adhesive tape, however, in actual use, the sealing reliability of the device is insufficient, gaps are easy to appear after the traditional adhesive tape is used for a long time, so that pollutants are not strictly caused to escape due to sealing, and the adhesive tape needs to be stretched by a brute force when being installed and detached, so that the adhesive tape is easy to be damaged by pulling, and the service life is shortened. Disclosure of Invention The invention aims to provide a decontamination cabin for a biosafety laboratory, and aims to solve the problems in the background technology. In order to achieve the above purpose, the present invention provides the following technical solutions: the decontamination cabin for the biosafety laboratory comprises an airtight mechanism, wherein the airtight mechanism comprises a decontamination cabin body, airtight doors are arranged at two ends and side surfaces of the decontamination cabin body, door frames are arranged outside the airtight doors, expansion rubber strips are arranged around the airtight doors, airtight components are arranged on the expansion rubber strips and used for expanding the expansion rubber strips so as to seal gaps between the airtight doors and the door frames, a control panel and an emergency switch are arranged on the expansion rubber strips, and the control panel and the emergency switch are threaded through a threading pipe; the replacement mechanism comprises a door strip arranged at the upper end of the airtight door, a sliding rail groove arranged at the upper end of the airtight door is formed in the inner side of the door strip, a drawing component and a locking component are arranged in the inner cavity of the sliding rail groove, and the drawing component and the locking component are mutually matched to further realize nondestructive installation and detachment of the expansion adhesive tape; The locking mechanism comprises a square groove formed in the upper surface of the inner side of the sliding rail groove, a push-pull assembly and an exhaust assembly are arranged in the square groove, and the push-pull assembly and the exhaust assembly are used for exhausting gas in the expansion adhesive tape under emergency. As a preferable scheme of the decontamination cabin for the biosafety laboratory, the airtight assembly comprises a flexible inflation tube arranged on the side part of the upper end of one side of the airtight door and the door frame, the lower end of the flexible inflation tube is connected with an emergency air release valve, the upper end of the flexible inflation tube is connected with an air inlet tube, and the flexible inflation tube is connected with an inner cavity of an expansion adhesive tape. As a preferable scheme of the decontamination cabin for the biosafety laboratory, the drawing component comprises a guide rod which is arranged in the inner cavity of the sliding rail groove in a sliding way, the front end of the guide rod is rotatably connected with a turning plate, and the turning plate is fixedly connected with the back surface of the door strip. As a preferable scheme of the decontamination cabin for the biosafety laboratory, the lower end of the inner cavity of the sliding rail groove is provided with a first T-shaped sliding groove, the inner cavity of the first T-shaped sliding groove is slidably provided with a first T-shaped sliding rod, the middle part of the upper surface of the guide rod is provided with an outer sleeve rod, the outer side of the outer sleeve rod is provided with an upper limit groove, and the upper limit groove is arranged in the middle of the upper surface of the sliding rail groove. As a preferable scheme of the decontamination cabin for the biosafety laboratory, the locking component comprises an upper clamping block fixedly arranged in the middle of the back of the guide rod, a lower clamping block is clamped at the lower end of the upper clamping block, a spring telescopic rod is arranged at the lower end of the lower clamping block and fixedly arranged on the inner side of the bottom surface of the first T-shaped chute, a retraction rod is fixedly arranged in the middle of the lower surface of t