Biosafety lead protection animal isolation device

Abstract

The invention discloses a biological safety type lead protection animal isolation device which comprises a rack, a plurality of self-locking wheels which are evenly distributed are arranged at the bottom of the rack, an electrical box is fixedly connected to the side edge of the upper portion of the rack, an air inlet pipe is fixedly connected to the top of the electrical box, an air inlet box is fixedly installed in the electrical box, and an air outlet pipe is fixedly installed in the air inlet box. An air inlet box is fixedly installed in the machine frame, an air inlet fan is fixedly installed on the outer side of the air inlet box, an air exhaust box is fixedly installed in the electrical box, an air exhaust fan is fixedly installed on the outer side of the air exhaust box, a fixed box is fixedly installed on the top of the machine frame and located on the outer side of the electrical box, and a sealing door is arranged at the front end of the fixed box. If the front lead glass cannot achieve effective lead shielding, a lead screen can be additionally arranged in front of the isolator. The invention relates to a biosafety lead protection animal isolation device which has the characteristics that a filter screen can be prevented from being blocked during ventilation and filtration, and raised animals can be conveniently taken out for experiments.

Description

Technical Field

[0001] The invention belongs to the technical field of preformed welding sheet production, in particular to a biosafety lead-protected animal isolation device. Background Art

[0002] The biosafety lead-protected animal isolation device is a professional device used in animal experiments or diagnosis and treatment, integrating biosafety protection and radiation protection. Made of lead plates or lead-containing materials, it can effectively block radiation such as X-rays and gamma rays, and prevent radiation leakage from causing harm to operators and the surrounding environment. The thickness of the lead protective layer is usually designed according to the intensity and type of the actual radiation source used, generally ranging from a few millimeters to more than ten millimeters. Through a sealed isolation box and an efficient ventilation and filtration system, it can effectively prevent pathogens carried by experimental animals from spreading to the outside world, protecting the safety of operators and the surrounding environment. At the same time, it can also prevent external pathogens from entering the box, ensuring the health of experimental animals and the accuracy of experimental results.

[0003] When using the current isolation device, the air needs to be filtered during the ventilation process. However, during the air filtration process, dust can easily cause the filter to be blocked, which will affect the air flow and the ventilation effect. In addition, it is inconvenient to take out the animals or conduct experiments during the experimental operation. Therefore, it is necessary to design a biosafety lead-protected animal isolation device. Summary of the invention

[0004] The purpose of the present invention is to provide a biosafe lead protection animal isolation device in order to solve the above problems, thereby solving the problems mentioned in the background technology.

[0005] In order to solve the above problems, the present invention provides a technical solution:

[0006] A biosafety lead-protected animal isolation device comprises a frame, a plurality of evenly distributed self-locking wheels are arranged at the bottom of the frame, an electrical box is fixedly connected to the upper side of the frame, an air inlet duct is fixedly connected to the top of the electrical box, an air inlet box is fixedly installed inside the electrical box, an air inlet fan is fixedly installed outside the air inlet box, an exhaust box is fixedly installed inside the electrical box, an exhaust fan is fixedly installed outside the exhaust box, a fixed box is fixedly installed on the top of the frame and outside the electrical box, a closed door is arranged at the front end of the fixed box, an outer shell is fixedly connected to the inside of the fixed box, and the outer shell and the fixed box are fixedly connected A lead protective plate is arranged in between, a plurality of isolation cages are fixedly installed inside the shell, a dung pan is slidably sleeved inside the isolation cage, a sliding door is arranged at the front end of the isolation cage, a ventilation pipe is fixedly connected to the top of the shell, the ventilation pipe is fixedly connected to the isolation cage, a food box is arranged at the front end of the isolation cage, a water box is arranged at the front end of the isolation cage and on the left side of the food box, a driving plate is slidably sleeved inside the isolation cage, a pull rod is fixedly connected to the front end of the driving plate, the pull rod is slidably connected to the isolation cage, a handle is fixedly connected to the front end of the pull rod, a filtering mechanism is arranged on the air inlet pipe, and a locking mechanism is arranged on the driving plate.

[0007] Preferably, the filtering mechanism comprises a first spring, a first spring is arranged inside the air inlet pipe, a second spring is arranged inside the air inlet pipe, a plug block is slidably sleeved inside the air inlet pipe, a connecting strip is slidably sleeved outside the plug block, the connecting strip is slidably connected to the air inlet pipe, a fixing rod is slidably sleeved inside the plug block, the fixing rod is fixedly connected to the connecting strip, a third spring is arranged outside the fixing rod, a push block is fixedly connected to the top of the plug block, the push block is slidably connected to the connecting strip, a connecting rod is fixedly connected to the bottom of the connecting strip, a filter is fixedly connected to the bottom of the connecting rod, the filter is slidably connected to the air inlet pipe, a top block is fixedly connected to the bottom of the filter, a convex block is contacted at the lower end of the top block, a connecting rod is fixedly connected to the bottom of the convex block, a rotating shaft is fixedly connected to the lower end of the connecting rod, a blade is fixedly connected to the outer side of the rotating shaft, a fixing strip is rotatably sleeved on the outer side of the rotating shaft through a bearing, and the fixing strip is fixedly connected to the air inlet pipe. By designing the filtering mechanism, air can be filtered during ventilation.

[0008] Preferably, one end of the first spring is fixedly connected to the air inlet pipe, and the other end of the first spring is in contact with the plug block. By designing the first spring, the force of the first spring can act on the plug block.

[0009] Preferably, one end of the second spring contacts the plug block, and the other end of the second spring is fixedly connected to the air inlet pipe. By designing the second spring, the force of the second spring can act on the plug block.

[0010] Preferably, one end of the third spring is fixedly connected to the connecting strip, and the other end of the third spring is fixedly connected to the plug block. By designing the third spring, the force of the third spring can act on the plug block.

[0011] Preferably, the locking mechanism comprises a roller, which distributes the overall weight to achieve the load-bearing capacity of the building floor. A roller is provided at the front end of the driving plate, and a plurality of evenly distributed grooves are opened inside the roller. A ball is movably sleeved inside the groove, and a guide rod is movably sleeved outside the ball, and the guide rod is slidably connected to the roller, and the guide rod is fixedly connected to the isolation cage. A support block is movably sleeved outside the ball, and the support block is slidably connected to the guide rod. The bottom of the support block is hinged with a hinged rod, and the other end of the hinged rod is hinged with a guide block, and the guide block is slidably connected to the guide rod. The guide block is slidably sleeved inside the guide block, and the guide rod is fixedly connected to the guide rod. A fourth spring is provided on the outside of the guide rod, and a sliding rod is slidably sleeved inside the roller. A fifth spring is provided on the outside of the sliding rod, and a connecting block is fixedly connected to the outside of the sliding rod, and the connecting block is slidably connected to the roller. A magnetic block is fixedly connected to the top of the connecting block, and the magnetic block is slidably connected to the roller, and a magnet is fixedly connected inside the roller. By designing a locking mechanism, the position of the driving plate can be locked for use.

[0012] Preferably, one end of the fourth spring is fixedly connected to the guide block, and the other end of the fourth spring is fixedly connected to the guide rod. By designing the fourth spring, the force of the fourth spring can act on the guide block.

[0013] Preferably, one end of the fifth spring is fixedly connected to the connecting block, and the other end of the fifth spring is fixedly connected to the roller. By designing the fifth spring, the force of the fifth spring can act on the connecting block.

[0014] The beneficial effects of the present invention are as follows: the present invention relates to a biosafety lead protection animal isolation device, which has the characteristics of preventing filter screen blockage during ventilation and filtration and facilitating the removal experiment of the raised animals. In specific use, compared with the traditional biosafety lead protection animal isolation device, the biosafety lead protection animal isolation device has the following beneficial effects:

[0015] First, the isolator has four cages built in, divided into two layers, with four modular cavities and four transparent visual doors; there is a lead protective plate outside the isolation cage to shield radiation; each monkey breeding isolator is equipped with an electrical control cabinet and a touch screen, the control host is placed on the top to save space, and the four inner cabins are independently supplied and exhausted; the automatic control system automatically switches the series mode to form a 1-2-3-four cabinet unidirectional airflow to meet other experimental needs; the inlet and outlet fans use stepless frequency conversion fans (with 30% air volume redundancy when meeting negative pressure requirements) and stainless steel 304 valves; the instruments include differential pressure sensors, differential pressure gauges, temperature and humidity sensors, wind speed sensors, etc., which are convenient for monitoring; there is an integral feces tray at the bottom of the isolation cage, with smooth sides, no sharp corners, strong and lightweight, which can completely cover the bottom frame of the cage, and is made of stainless steel 304 material, and the bag-in-bag-out device is used to handle feces;

[0016] Secondly, by designing the function of the filter, the incoming air can be filtered to avoid dust and impurities being brought into the isolation cage during ventilation, and in the process of air intake through the air inlet pipe, the blades can be rotated when the wind acts on the blades, and the blades can drive the rotating shaft to rotate, and the rotating shaft can drive the connecting rod and the protrusion to rotate, the protrusion can squeeze the top block, and the top block can drive the filter to move up, and with the elastic action of the first spring and the second spring, the filter can be shaken in the vertical direction, which can avoid clogging of the filter during air filtering and affecting the air permeability, and the filter can be easily taken out from the inside of the air inlet pipe, which is convenient for disassembly, cleaning and maintenance of the filter.

[0017] Finally, by designing the function of the driving plate, the driving plate can be moved by pulling the handle, which is convenient for driving the animals in the isolation cage to the front end, and is convenient for taking out the animals or conducting experimental operations. In the process of moving the driving plate, the driving plate can drive the roller to roll along the guide rod. In the rolling process, the roller and the driving plate can be limited by the insertion of the ball and the groove, and the driving position can be adjusted, which is more flexible to use. The roller adopts a detachable design, which is convenient for disassembly and replacement when the roller is damaged by friction. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] For ease of explanation, the present invention is described in detail with reference to the following specific implementations and the accompanying drawings.

[0019] Figure 1 It is a three-dimensional diagram of the overall structure of the present invention;

[0020] Figure 2 For the present invention Figure 1 A three-dimensional cutaway view of the local structure of the electrical box Figure 1 ;

[0021] Figure 3 For the present invention Figure 1 A three-dimensional cutaway view of the local structure of the electrical box Figure 2 ;

[0022] Figure 4 For the present invention Figure 1 A three-dimensional diagram of the local structure;

[0023] Figure 5 For the present invention Figure 4 A three-dimensional diagram of the local structure of the isolation cage;

[0024] Figure 6 For the present invention Figure 2 A front cross-sectional view of the air inlet pipe;

[0025] Figure 7 For the present invention Figure 6 A magnified image of point A;

[0026] Figure 8 For the present invention Figure 5 A front cross-sectional view of a roller;

[0027] Fig. 9 For the present invention Figure 8 Enlarged view of point B.

[0028] In the figure: 1, frame; 2, self-locking wheel; 3, electrical box; 4, air inlet box; 5, air inlet fan; 6, exhaust box; 7, exhaust fan; 8, filtering mechanism; 9, locking mechanism; 10, fixed box; 11, closed door; 12, shell; 13, isolation cage; 14, sliding door; 15, ventilation pipe; 16, food box; 17, water box; 18, driving plate; 19, pull rod; 20, handle; 21, air inlet pipe; 22, feces tray; 23, lead protection plate; 81, first spring; 82, second spring; 83, plug block; 84, connecting rod; 85, connecting rod; 86, connecting rod; 87, connecting rod; 88, connecting rod; 89, connecting rod; 90, connecting rod; 91, connecting rod; 92, connecting rod; 93, connecting rod; 94, connecting rod; 95, connecting rod; 96, connecting rod; 97, connecting rod; 98, connecting rod; 99, connecting rod; 100, connecting rod; 101, connecting rod; 102, connecting rod; 103, connecting rod; 104, connecting rod; 105, connecting rod; 106, connecting rod; 107, connecting rod; 108, connecting rod; 109, connecting rod; 110, connecting rod; 111, connecting rod; 112, connecting rod; 113, connecting rod; 114, connecting rod; 115, connecting rod; 116, connecting rod; 117, connecting rod; 118, connecting rod; 119, connecting rod; 11 Connecting strip; 85, fixing rod; 86, third spring; 87, pushing block; 88, connecting rod; 89, filter screen; 891, top block; 892, protrusion; 893, connecting rod; 894, rotating shaft; 895, blade; 896, fixing strip; 91, roller; 92, groove; 93, ball; 94, guide rod; 95, supporting block; 96, hinged rod; 97, guide block; 98, guide rod; 99, fourth spring; 991, sliding rod; 992, fifth spring; 993, connecting block; 994, magnetic block; 995, magnet. DETAILED DESCRIPTION

[0029] like Figure 1-9 As shown, this specific implementation adopts the following technical solutions:

[0030] Example:

[0031] A biosafety lead-protected animal isolation device comprises a frame 1, a plurality of evenly distributed self-locking wheels 2 are arranged at the bottom of the frame 1, an electrical box 3 is fixedly connected to the upper side of the frame 1, an air inlet duct 21 is fixedly connected to the top of the electrical box 3, an air inlet box 4 is fixedly installed inside the electrical box 3, an air inlet fan 5 is fixedly installed outside the air inlet box 4, an exhaust box 6 is fixedly installed inside the electrical box 3, an exhaust fan 7 is fixedly installed outside the exhaust box 6, a fixed box 10 is fixedly installed on the top of the frame 1 and located outside the electrical box 3, a closed door 11 is arranged at the front end of the fixed box 10, an outer shell 12 is fixedly connected to the inside of the fixed box 10, and a lead protection plate 23 is arranged between the outer shell 12 and the fixed box 10. A plurality of isolation cages 13 are fixedly installed inside the shell 12, a dung pan 22 is slidably sleeved inside the isolation cage 13, a sliding door 14 is provided at the front end of the isolation cage 13, a ventilation pipe 15 is fixedly connected to the top of the shell 12, the ventilation pipe 15 is fixedly connected to the isolation cage 13, a food box 16 is provided at the front end of the isolation cage 13, a water box 17 is provided at the front end of the isolation cage 13 and on the left side of the food box 16, a driving plate 18 is slidably sleeved inside the isolation cage 13, a pull rod 19 is fixedly connected to the front end of the driving plate 18, the pull rod 19 is slidably connected to the isolation cage 13, a handle 20 is fixedly connected to the front end of the pull rod 19, a filtering mechanism 8 is provided on the air inlet pipe 21, and a locking mechanism 9 is provided on the driving plate 18.

[0032] Wherein, the filtering mechanism 8 includes a first spring 81, and the first spring 81 is arranged inside the air inlet pipe 21, one end of the first spring 81 is fixedly connected to the air inlet pipe 21, and the other end of the first spring 81 is in contact with the plug block 83. By designing the first spring 81, the force of the first spring 81 can act on the plug block 83. The air inlet pipe 21 is provided with a second spring 82, one end of the second spring 82 is in contact with the plug block 83, and the other end of the second spring 82 is fixedly connected to the air inlet pipe 21. By designing the second spring 82, the force of the second spring 82 can act on the plug block 83. The air inlet pipe 21 is slidably sleeved with the plug block 83 inside, and the outer side of the plug block 83 is slidably sleeved with a connecting strip 84, and the connecting strip 84 is slidably connected to the air inlet pipe 21. The plug block 83 is slidably sleeved with a fixing rod 85 inside the fixing rod 83, and the fixing rod 85 is fixedly connected to the connecting strip 84. A third spring 86 is arranged on the outer side of the fixing rod 85, and the third spring 86 One end of the third spring 86 is fixedly connected to the connecting strip 84, and the other end of the third spring 86 is fixedly connected to the plug block 83. By designing the third spring 86, the force of the third spring 86 can act on the plug block 83. The top of the plug block 83 is fixedly connected with a push block 87, and the push block 87 is slidably connected to the connecting strip 84. The bottom of the connecting strip 84 is fixedly connected with a connecting rod 88, and the bottom of the connecting rod 88 is fixedly connected with a filter screen 89. The filter screen 89 is slidably connected to the air inlet pipe 21. The bottom of the net 89 is fixedly connected with a top block 891, the lower end of the top block 891 contacts with a protrusion 892, the bottom of the protrusion 892 is fixedly connected with a connecting rod 893, the lower end of the connecting rod 893 is fixedly connected with a rotating shaft 894, the outer side of the rotating shaft 894 is fixedly connected with a blade 895, the outer side of the rotating shaft 894 is rotatably sleeved with a fixing strip 896 through a bearing, and the fixing strip 896 is fixedly connected to the air inlet pipe 21. By designing the filtering mechanism 8, the air can be filtered during ventilation.

[0033] Wherein, the locking mechanism 9 includes a roller 91, a roller 91 is provided at the front end of the driving plate 18, a plurality of evenly distributed grooves 92 are provided inside the roller 91, a ball 93 is movably sleeved inside the groove 92, a guide rod 94 is movably sleeved outside the ball 93, the guide rod 94 is slidably connected to the roller 91, the guide rod 94 is fixedly connected to the isolation cage 13, a support block 95 is movably sleeved outside the ball 93, the support block 95 is slidably connected to the guide rod 94, a hinged rod 96 is hinged at the bottom of the support block 95, a guide block 97 is hinged at the other end of the hinged rod 96, the guide block 97 is slidably connected to the guide rod 94, a guide rod 98 is slidably sleeved inside the guide block 97, the guide rod 98 is fixedly connected to the guide rod 94, a fourth spring 99 is provided outside the guide rod 98, one end of the fourth spring 99 is fixedly connected to the guide block 97, The other end of the fourth spring 99 is fixedly connected to the guide rod 94. By designing the fourth spring 99, the force of the fourth spring 99 can act on the guide block 97. The roller 91 is internally slidably sleeved with a slide rod 991, and a fifth spring 992 is arranged on the outer side of the slide rod 991. One end of the fifth spring 992 is fixedly connected to a connecting block 993, and the other end of the fifth spring 992 is fixedly connected to the roller 91. By designing the fifth spring 992, the force of the fifth spring 992 can act on the connecting block 993. The outer side of the slide rod 991 is fixedly connected with a connecting block 993, and the connecting block 993 is slidably connected to the roller 91. The top of the connecting block 993 is fixedly connected with a magnetic block 994, and the magnetic block 994 is slidably connected to the roller 91. The roller 91 is internally fixedly connected with a magnet 995. By designing the locking mechanism 9, the position of the driving plate 18 can be locked.

[0034] The use state of the present invention is as follows: when in use, the isolator has four cages built in, divided into two layers, with four modular cavities and four transparent visual doors; each set of monkey breeding isolators is equipped with an electrical control cabinet and a touch screen, the control host is placed on the top to save space, and the four inner cabins are independently supplied and exhausted; the automatic control system automatically switches the series mode to form a 1-2-3-four cabinet unidirectional airflow flow to meet other experimental needs; the inlet and outlet fans use stepless frequency conversion fans (with 30% air volume redundancy when meeting the negative pressure requirements) and stainless steel 30 four valves; the instruments include differential pressure sensors, differential pressure gauges, temperature and humidity sensors, wind speed sensors, etc., which are convenient for monitoring; an integral metabolite receiving tray is provided at the bottom of the cage, with smooth sides, no sharp angles, strong and lightweight, and can completely cover the bottom frame of the cage. It is made of stainless steel 30 four, and a bag-in-bag-out device is used to process feces.

[0035] The isolation cage 13 can be ventilated with the coordinated use of the air inlet fan 5 and the exhaust fan 7. During ventilation, the gas enters through the air inlet pipe 21, and the air can be filtered under the action of the filter 89 to remove dust and impurities in the air, thereby avoiding the introduction of dust and impurities into the isolation cage 13 during ventilation. When air enters the air inlet pipe 21, the flow of air can realize the rotation of the blade 895, and the blade 895 will drive the rotating shaft 894 to rotate, and the rotating shaft 894 will drive the connecting rod 893 to rotate, and the connecting rod 893 can drive the protrusion 892 to rotate, and the rotation of the protrusion 892 will squeeze the top block 891, and the top block 891 can drive the filter 89 to move upward, and the filter 89 will drive the connecting rod 88 to move upward, and the connecting rod 88 will drive the connecting strip 84 to move upward, and the connecting strip 84 will drive The movable plug block 83 moves upward to squeeze the first spring 81. When the protrusion 892 rotates and separates from the top block 891, the elastic action of the first spring 81 will give the plug block 83 a downward thrust, which can move the filter 89 downward. At the same time, the plug block 83 squeezes the second spring 82, which can realize the shaking of the filter 89 in the vertical direction, and can avoid the blockage of the filter 89 during air filtering and affect the air permeability. When it is necessary to remove the filter 89, push the push block 87, and the push block 87 drives the plug block 83 to move horizontally. The plug block 83 slides along the fixing rod 85 and pressurizes the third spring 86, which can make the plug block 83 slide out from the inside of the air inlet pipe 21, and then the connecting strip 84 can be pulled out from the inside of the air inlet pipe 21, and the filter 89 can be removed, which is convenient for disassembly, cleaning and maintenance of the filter 89.

[0036] When it is necessary to take out the animal for experiment, the handle 20 is pulled outward, the handle 20 drives the pull rod 19 to move outward, the pull rod 19 drives the driving plate 18 to move, and the animals in the isolation cage 13 can be driven to the front end, which is convenient for taking out the animals or conducting experimental operations. In the process of moving the driving plate 18, the driving plate 18 can drive the roller 91 to roll along the guide rod 94. When the roller 91 contacts the ball 93, the roller 91 will squeeze and push the ball 93 to move downward, the ball 93 will drive the support block 95 to move downward, the support block 95 will deflect the hinge rod 96, and the hinge rod 96 will drive the guide block 97 to slide along the guide rod 98 and squeeze the fourth spring 99. When the inner groove of the roller 91 When 92 is aligned with the ball 93, the elastic action of the fourth spring 99 will give the support block 95 an upward reverse thrust, and the ball 93 can be pushed into the groove 92 at another position. At this time, the roller 91 can be locked and the driving position can be adjusted, which is more flexible to use. When pressing the connecting block 993, the connecting block 993 can drive the slide bar 991 to slide along the roller 91, and the connecting block 993 will squeeze the fifth spring 992. At the same time, the connecting block 993 will drive the magnetic block 994 to move, so that the magnetic block 994 is separated from the magnet 995, and then the roller 91 can be removed from the driving plate 18. When the roller 91 is damaged by friction, it is convenient to disassemble and replace the roller 91 for use.

[0037] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for illustrating the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which shall fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A biosafety lead-protected animal isolation device, comprising a frame (1), characterized in that: The bottom of the frame (1) is provided with a plurality of evenly distributed self-locking wheels (2); the upper side of the frame (1) is fixedly connected to an electrical box (3); the top of the electrical box (3) is fixedly connected to an air inlet pipe (21); an air inlet box (4) is fixedly installed inside the electrical box (3); an air inlet fan (5) is fixedly installed outside the air inlet box (4); an exhaust box (6) is fixedly installed inside the electrical box (3); an exhaust fan (7) is fixedly installed outside the exhaust box (6); a fixed box (10) is fixedly installed on the top of the frame (1) and outside the electrical box (3); a closed door (11) is provided at the front end of the fixed box (10); an outer shell (12) is fixedly connected inside the fixed box (10); a lead protective plate (23) is provided between the outer shell (12) and the fixed box (10); the inner part of the outer shell (12) is fixedly installed with a lead protective plate (23 ... A plurality of isolation cages (13) are installed, wherein the interior of the isolation cage (13) is slidably sleeved with a dung pan (22), a sliding door (14) is arranged at the front end of the isolation cage (13), a ventilation pipe (15) is fixedly connected to the top of the shell (12), the ventilation pipe (15) is fixedly connected to the isolation cage (13), a food box (16) is arranged at the front end of the isolation cage (13), a water box (17) is arranged at the front end of the isolation cage (13) and on the left side of the food box (16), a driving plate (18) is slidably sleeved inside the isolation cage (13), a pull rod (19) is fixedly connected to the front end of the driving plate (18), the pull rod (19) is slidably connected to the isolation cage (13), a handle (20) is fixedly connected to the front end of the pull rod (19), a filtering mechanism (8) is arranged on the air inlet pipe (21), and a locking mechanism (9) is arranged on the driving plate (18).

2. A biosafe lead-protected animal isolation device according to claim 1, characterized in that: The filtering mechanism (8) comprises a first spring (81), the first spring (81) is arranged inside the air inlet pipe (21), the second spring (82) is arranged inside the air inlet pipe (21), the air inlet pipe (21) is slidably sleeved with an insert block (83) inside the air inlet pipe (21), the outer side of the insert block (83) is slidably sleeved with a connecting strip (84), the connecting strip (84) is slidably connected to the air inlet pipe (21), the inner side of the insert block (83) is slidably sleeved with a fixing rod (85), the fixing rod (85) is fixedly connected to the connecting strip (84), the outer side of the fixing rod (85) is provided with a third spring (86), the top of the insert block (83) is fixedly connected with a push block (87), the push block (87) is slidably sleeved with the connecting strip (84), The bottom of the connecting strip (84) is fixedly connected to a connecting rod (88), the bottom of the connecting rod (88) is fixedly connected to a filter (89), the filter (89) is slidably connected to the air inlet pipe (21), the bottom of the filter (89) is fixedly connected to a top block (891), the lower end of the top block (891) contacts a protrusion (892), the bottom of the protrusion (892) is fixedly connected to a connecting rod (893), the lower end of the connecting rod (893) is fixedly connected to a rotating shaft (894), the outer side of the rotating shaft (894) is fixedly connected to a blade (895), the outer side of the rotating shaft (894) is rotatably sleeved with a fixing strip (896) through a bearing, and the fixing strip (896) is fixedly connected to the air inlet pipe (21).

3. A biosafe lead-protected animal isolation device according to claim 2, characterized in that: One end of the first spring (81) is fixedly connected to the air inlet pipe (21), and the other end of the first spring (81) is in contact with the insert block (83).

4. A biosafe lead-protected animal isolation device according to claim 2, characterized in that: One end of the second spring (82) is in contact with the insert block (83), and the other end of the second spring (82) is fixedly connected to the air inlet pipe (21).

5. A biosafe lead-protected animal isolation device according to claim 2, characterized in that: One end of the third spring (86) is fixedly connected to the connecting strip (84), and the other end of the third spring (86) is fixedly connected to the insert block (83).

6. A biosafe lead-protected animal isolation device according to claim 1, characterized in that: The locking mechanism (9) comprises a roller (91), the front end of the driving plate (18) is provided with the roller (91), a plurality of evenly distributed grooves (92) are provided inside the roller (91), a ball (93) is movably sleeved inside the groove (92), a guide rod (94) is movably sleeved outside the ball (93), the guide rod (94) is slidably connected to the roller (91), the guide rod (94) is fixedly connected to the isolation cage (13), a support block (95) is movably sleeved outside the ball (93), the support block (95) is slidably connected to the guide rod (94), a hinged rod (96) is hinged at the bottom of the support block (95), a guide block (97) is hinged at the other end of the hinged rod (96), and the guide block (97) is hinged at the other end of the guide block (97). 7) is slidably connected to the guide rod (94), the guide block (97) is internally slidably sleeved with a guide rod (98), the guide rod (98) is fixedly connected to the guide rod (94), a fourth spring (99) is arranged on the outer side of the guide rod (98), the roller (91) is internally slidably sleeved with a slide rod (991), the outer side of the slide rod (991) is provided with a fifth spring (992), the outer side of the slide rod (991) is fixedly connected with a connecting block (993), the connecting block (993) is slidably connected to the roller (91), the top of the connecting block (993) is fixedly connected with a magnetic block (994), the magnetic block (994) is slidably connected to the roller (91), and the interior of the roller (91) is fixedly connected with a magnet (995).

7. A biosafe lead-protected animal isolation device according to claim 6, characterized in that: One end of the fourth spring (99) is fixedly connected to the guide block (97), and the other end of the fourth spring (99) is fixedly connected to the guide rod (94).

8. A biosafe lead-protected animal isolation device according to claim 6, characterized in that: One end of the fifth spring (992) is fixedly connected to the connecting block (993), and the other end of the fifth spring (992) is fixedly connected to the roller (91).

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