Ventilation structure for culture box

Abstract

The ventilation structure comprises a box body, an upper cover is arranged at the upper end of the box body, a connecting piece is arranged between the box body and the upper cover, a pressure adjusting mechanism is arranged on one side of the upper end of the upper cover, and a trigger assembly is arranged on the side, away from the pressure adjusting mechanism, of the upper cover. A controller is arranged on one side of the trigger assembly, and an energy supply part is further arranged on the upper end face of the upper cover. The anaerobic bacteria culture box is simple in structure and reasonable in design, gas in the culture box is rapidly exhausted during small-scale anaerobic bacteria culture, positive pressure is kept in the culture box in the gas exhausting process, the culture box is sealed in time after exhausting, oxygen is prevented from entering, operation is easy, exhaust efficiency is high, and the anaerobic bacteria culture box is suitable for large-scale anaerobic bacteria culture. The large opening of the V-shaped opening groove ensures that the partition plate can be accurately inserted, meanwhile, after the air pressure is reduced, the controller can control the pressure regulating mechanism to be closed at the first time, the interior of the culture box is kept in a positive pressure state all the time, and oxygen is effectively prevented from entering the culture box.

Description

TECHNICAL FIELD

[0001] The utility model relates to microorganism culture equipment technical field, specifically is a culture box is with ventilative structure. BACKGROUND

[0002] In the fields of microbiology, biotechnology, and environmental engineering, anaerobic bacteria cultivation is an important research and application technology. Anaerobic bacteria widely exist in nature, especially in oxygen-free or low-oxygen environments such as soil, sediments, animal digestive tracts, etc. They play an important role in organic matter degradation, energy cycling, and wastewater treatment, etc. However, the cultivation environment of anaerobic bacteria is strict, requiring anaerobic conditions, and during the cultivation process, gases such as carbon dioxide, hydrogen, methane, and hydrogen sulfide are continuously produced, which requires the cultivation device to not only timely exhaust these gases to ensure the internal gas pressure of the box, but also to avoid the entry of oxygen.

[0003] Disadvantages of the prior art:

[0004] The current common cultivation devices mainly have two types of culture boxes or incubators. When cultivating anaerobic bacteria, a one-way exhaust pipe is used for exhaust. The exhaust end of the pipe is connected to a gas cylinder, which is used to receive the gas and prevent the entry of external oxygen. However, this exhaust method is complex to operate and is suitable for large-scale cultivation of anaerobic bacteria using large cultivation devices. In small culture boxes, the exhaust process is more controllable, and using this method to exhaust is not only too cumbersome to operate, but also inefficient. Utility model content

[0005] The utility model aims at providing a culture box ventilative structure to solve the problems raised in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a culture box ventilative structure, comprising a box body, an upper end of the box body is provided with an upper cover, a connecting piece is arranged between the box body and the upper cover, one side of the upper end of the upper cover is provided with a pressure regulating mechanism, the side of the upper cover away from the pressure regulating mechanism is provided with a trigger assembly, one side of the trigger assembly is provided with a controller, and the upper end face of the upper cover is further provided with an energy supply part.

[0007] The pressure regulating mechanism comprises:

[0008] A first mounting sleeve is sleeved in the through hole at one end of the upper cover, a ventilation hole is arranged in the first mounting sleeve, a sliding slot is formed in one side of the lower end of the first mounting sleeve, a sliding block is movably arranged in the sliding slot, and one end of the sliding block is provided with a partition plate for closing the ventilation hole.

[0009] A V-shaped open slot is formed on the inner wall of the first mounting sleeve, and the end of the partition plate matches the V-shaped open slot.

[0010] An electromagnet is arranged inside the first mounting sleeve at one end of the sliding slot, and a permanent magnet matched with the electromagnet is arranged in the sliding block.

[0011] Preferably, the trigger assembly comprises:

[0012] A second mounting sleeve is arranged in the mounting hole on one side of the upper cover, and an elastic film is arranged at the lower end of the second mounting sleeve.

[0013] A lifting block is movably arranged in the second mounting sleeve above the elastic film, an induction sheet is arranged at the upper end of the lifting block, and a touch switch is arranged above the second mounting sleeve.

[0014] Preferably, the connecting piece comprises:

[0015] A connecting shaft is arranged at one end of the upper cover to connect the upper cover with the upper end of the box body, and a connecting tab is arranged at the end of the box body and the upper cover away from the connecting shaft.

[0016] A sealing ring is arranged at the port portion of the box body.

[0017] Preferably, the upper end of the first mounting sleeve and the second mounting sleeve is provided with a breathable filter plate, and the touch switch is arranged at the lower end of the breathable filter plate.

[0018] Preferably, the controller is electrically connected with the power supply portion, the electromagnet and the touch switch through wires.

[0019] Preferably, the inner side of the V-shaped open slot is provided with a rubber sealing block.

[0020] Compared with the prior art, the present application has the following advantages:

[0021] 1. The breathable structure for the culture box, by arranging the pressure regulating mechanism, the pressure regulating mechanism comprises a first mounting sleeve, a ventilation hole, a sliding slot, a sliding block, a partition plate, a V-shaped open slot, an electromagnet and a permanent magnet, realizes the rapid discharge of the gas in the culture box when small-scale anaerobic bacteria are cultured, maintains the positive pressure in the culture box during the gas discharge process, seals the culture box in time after the gas is discharged, avoids the entry of oxygen, is simple to operate, has high exhaust efficiency, and the large opening of the V-shaped open slot ensures that the partition plate can be accurately inserted, avoids the suspended part of the partition plate from being inclined to cause the failure of smooth insertion.

[0022] 2、The culture box is provided with a triggering assembly, the triggering assembly comprises a second mounting sleeve, an elastic film, a lifting block, an induction sheet and a touch switch, and the air pressure in the culture box is fed back to the controller in time, the controller can control the pressure regulating mechanism to be closed in the first time when the air pressure is reduced, the culture box is kept in a positive pressure state all the time, the entry of oxygen is effectively avoided, and the controller can start the pressure regulating mechanism in time to release pressure when the air pressure is increased, and the regulation and control are flexible. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the overall front view of the utility model;

[0024] Figure 2 It is the internal structure front view schematic of the utility model;

[0025] Figure 3 It is the triggering schematic of the triggering assembly of the utility model;

[0026] Figure 4 It is the Figure 2 It is the enlarged schematic view of A in the utility model;

[0027] Figure 5 It is the Figure 2 It is the enlarged schematic view of B in the utility model.

[0028] In the drawing: 1, box body; 2, upper cover; 3, connecting piece; 301, connecting shaft; 302, connecting tab; 303, sealing ring; 4, pressure regulating mechanism; 401, first mounting sleeve; 402, air hole; 403, sliding groove; 404, sliding block; 405, partition; 406, V-shaped open slot; 407, electromagnet; 408, permanent magnet; 5, triggering assembly; 501, second mounting sleeve; 502, elastic film; 503, lifting block; 504, induction sheet; 505, touch switch; 6, controller; 7, energy supply part; 8, air permeable filter plate; 9, rubber sealing block. DETAILED DESCRIPTION

[0029] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0030] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model.

[0031] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model.

[0032] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "several" is two or more than two, unless otherwise explicitly and specifically limited.

[0033] Embodiment

[0034] Please refer to Figures 1-5The utility model provides a kind of breathable structure for culture box technical scheme shown: a kind of breathable structure for culture box, including box body 1, the upper end of box body 1 is equipped with upper cover 2, connecting piece 3 is installed between box body 1 and upper cover 2, one side of upper cover 2 upper end is equipped with pressure regulating mechanism 4, one side of upper cover 2 away from pressure regulating mechanism 4 is equipped with trigger assembly 5, one side of trigger assembly 5 is equipped with controller 6, the upper end face of upper cover 2 is also equipped with energy supply part 7;Pressure regulating mechanism 4 includes first mounting sleeve 401, V-shaped open slot 406 and electromagnet 407.First mounting sleeve 401 is sleeved in the through hole of one end of upper cover 2, air hole 402 is opened in first mounting sleeve 401, one side of the lower end of first mounting sleeve 401 is equipped with sliding groove 403, sliding block 404 is slidably connected in sliding groove 403, one end of sliding block 404 is equipped with baffle 405 for closing air hole 402, baffle 405 controls the opening and closing of air hole 402 by sliding in air hole 402.V-shaped open slot 406 is opened on the inner wall of first mounting sleeve 401, and V-shaped open slot 406 is matched with the end of baffle 405.Electromagnet 407 is installed in the inside of first mounting sleeve 401 and is located in one end of sliding groove 403, and permanent magnet 408 matched with electromagnet 407 is installed in sliding block 404.When the gas pressure in culture box needs to be released when being too high, controller 6 controls energy supply part 7 to power on electromagnet 407, electromagnet 407 generates attractive force to permanent magnet 408, and then permanent magnet 408 drives baffle 405 to move away from V-shaped open slot 406 by sliding block 404, air hole 402 is opened, and the gas in culture box starts to discharge outward.When the gas pressure is lower than standard value, controller 6 controls to change the current direction on electromagnet 407, and electromagnet 407 generates repulsive force to permanent magnet 408, and then baffle 405 is pushed back into V-shaped open slot 406, and air hole 402 is resealed.Through pressure regulating mechanism 4, the gas in culture box is discharged quickly when small-scale culture anaerobic bacteria is realized, the culture box maintains positive pressure during the process of gas discharge, the culture box is closed in time after discharge, the entry of oxygen is avoided, it is simple to operate, and the exhaust efficiency is higher, the larger opening of V-shaped open slot 406 ensures that baffle 405 can be inserted accurately, avoids that suspended part of baffle 405 is inclined, leads to unable to insert smoothly.

[0035] The triggering assembly 5 comprises a second mounting sleeve 501 and a lifting block 503. The second mounting sleeve 501 is fixedly installed in a mounting hole on one side of the upper cover 2, and the lower end of the second mounting sleeve 501 is provided with an elastic film 502. The lifting block 503 is movably installed in the second mounting sleeve 501 above the elastic film 502, and the lifting block 503 is in sliding connection with the inner wall of the second mounting sleeve 501. The upper end of the lifting block 503 is provided with a sensing sheet 504, and the upper side of the second mounting sleeve 501 is provided with a touch switch 505. When the air pressure in the culture box is low, the elastic film 502 is in a horizontal state to support the lifting block 503. With the generation of various gases in the culture box, the air pressure gradually rises, and under the action of the air pressure, the elastic film 502 starts to deform upwards, thereby driving the lifting block 503 to move upwards along the inner wall of the second mounting sleeve 501, until the sensing sheet 504 contacts the touch switch 505, the touch switch 505 sends an electrical signal to the controller 6, thereby triggering the pressure regulating mechanism 4. When the air pressure in the culture box decreases, the elastic film 502 contracts, driving the lifting block 503 to fall back, and the sensing sheet 504 is separated from the touch switch 505, and the pressure regulating mechanism 4 is closed through the controller 6. Through the triggering assembly 5, the air pressure in the culture box is fed back to the controller 6 in time, and the controller 6 can control the pressure regulating mechanism 4 to be closed in the first time when the air pressure decreases, so that the culture box is always in a positive pressure state, effectively preventing the entry of oxygen, and the controller 6 can also start the pressure regulating mechanism 4 in time to release pressure when the air pressure rises, so that the regulation is flexible.

[0036] The connecting piece 3 comprises a connecting shaft 301 and a sealing ring 303. The connecting shaft 301 is installed at one end of the upper cover 2 to connect the upper cover 2 with the upper end of the box body 1. The box body 1 and the upper cover 2 are provided with a connecting tab 302 at the end away from the connecting shaft 301, and the opening and closing of the upper cover 2 is controlled through the connecting tab 302. The upper cover 2 is opened by rotating through the connecting shaft 301. The sealing ring 303 is sleeved on the port portion of the box body 1, and after the upper cover 2 is closed, it is matched with the port of the box body 1 to compact the sealing ring 303.

[0037] The upper ends of the first mounting sleeve 401 and the second mounting sleeve 501 are provided with a gas permeable filter plate 8, and the touch switch 505 is installed at the lower end of the gas permeable filter plate 8. When the elastic film 502 deforms upwards, the air in the second mounting sleeve 501 can be discharged in time through the gas permeable filter plate 8, and at the same time the gas permeable filter plate 8 ensures that impurities in the external environment cannot fall into the second mounting sleeve 501 and the box body 1.

[0038] The controller 6 is electrically connected with the energy supply part 7, the electromagnet 407 and the touch switch 505 through wires. The controller 6 controls the energy supply part 7 to supply power to the electromagnet 407 by receiving the electrical signal of the touch switch 505.

[0039] A rubber sealing block 9 is installed on the inner side of the V-shaped open slot 406, which ensures the sealing performance of the partition plate 405 after being inserted into the V-shaped open slot 406.

[0040] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A breathable structure for a culture box, comprising a box body (1), wherein a top cover (2) is provided at the upper end of the box body (1), characterized in that: A connector (3) is provided between the box body (1) and the top cover (2). A pressure regulating mechanism (4) is provided on one side of the upper end of the top cover (2). A trigger component (5) is provided on the side of the top cover (2) away from the pressure regulating mechanism (4). A controller (6) is provided on one side of the trigger component (5). A power supply part (7) is also provided on the upper surface of the top cover (2). The pressure regulating mechanism (4) includes: The first mounting sleeve (401) is fitted into the through hole at one end of the upper cover (2). The first mounting sleeve (401) is provided with a vent hole (402). A sliding groove (403) is provided on one side of the lower end of the first mounting sleeve (401). A sliding block (404) is movably arranged in the sliding groove (403). A partition (405) for sealing the vent hole (402) is provided at one end of the sliding block (404). V-shaped opening groove (406) is formed on the inner wall of the first mounting sleeve (401), and the V-shaped opening groove (406) matches the end of the partition (405); An electromagnet (407) is disposed inside the first mounting sleeve (401) at one end of the slide groove (403), and a permanent magnet (408) matching the electromagnet (407) is disposed inside the sliding block (404).

2. The breathable structure for the culture box according to claim 1, characterized in that: The triggering component (5) includes: The second mounting sleeve (501) is disposed in the mounting hole on one side of the upper cover (2), and the lower end of the second mounting sleeve (501) is provided with an elastic membrane (502). A lifting block (503) is movably disposed inside the second mounting sleeve (501) above the elastic membrane (502). A sensing plate (504) is provided at the upper end of the lifting block (503), and a touch switch (505) is provided above the second mounting sleeve (501).

3. The breathable structure for the culture box according to claim 1, characterized in that: The connector (3) includes: A connecting shaft (301) is provided at one end of the upper cover (2) to connect the upper cover (2) to the upper end of the box body (1). A connecting lever (302) is provided at the end of the box body (1) and the upper cover (2) away from the connecting shaft (301). A sealing ring (303) is provided at the port of the housing (1).

4. The breathable structure for the culture box according to claim 2, characterized in that: The upper ends of the first mounting sleeve (401) and the second mounting sleeve (501) are both provided with breathable filter plates (8), and the touch switch (505) is provided at the lower end of the breathable filter plate (8).

5. The breathable structure for the culture box according to claim 2, characterized in that: The controller (6) is electrically connected to the power supply unit (7), the electromagnet (407) and the touch switch (505) via wires.

6. The breathable structure for the culture box according to claim 1, characterized in that: A rubber sealing block (9) is provided on the inner side of the V-shaped opening groove (406).

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