Non-contact operation device for culture dish

Abstract

The utility model provides a non-contact operation device for a culture dish, and belongs to the field of biological experiment culture dishes. The problems that the operation of opening the culture dish by one hand is inconvenient, the opening angle is controlled, and pollution is reduced are solved. The device comprises a supporting assembly used for fixing the bottom of a culture dish; the clamping assembly is used for fixing the cover part of the culture dish; one end of the driving assembly is connected with the supporting assembly, the other end of the driving assembly is connected with the clamping assembly, and the driving assembly is used for driving the clamping assembly to rotate; one side of the expansion assembly is connected with the clamping assembly, the other side of the expansion assembly is connected with the driving assembly, and the expansion assembly is used for fixing the relative position of the clamping assembly and the driving assembly in an expansion state; the two adsorption parts are arranged on the sides, close to the culture dish, of the supporting assembly and the clamping assembly respectively, and the adsorption parts are connected with the expansion assembly. The petri dish opener is mainly used for opening petri dishes and suitable for petri dishes of different sizes.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of biological experiment culture dish, especially, a kind of culture dish contactless operation device. BACKGROUND

[0002] Culture dish is a kind of laboratory vessel for microorganism or cell culture, which is composed of a flat disc bottom and a cover, generally made of glass or plastic. Culture dish material is basically divided into two categories, mainly plastic and glass, glass can be used for plant material, microorganism culture and animal cell adherent culture, plastic is suitable for laboratory inoculation, streaking, separation of bacteria operation, which can be used for plant material culture.

[0003] In actual operation, experiment personnel holds culture dish with one hand, and the other hand carries out transplant injection operation, which is very inconvenient, and in the process of operation, the angle of opening culture dish is reduced as much as possible to prevent pollution from entering and affect culture effect.

[0004] In view of the above, a culture dish contactless operation device is proposed. UTILITY MODEL CONTENT

[0005] Therefore, the utility model aims at providing a culture dish contactless operation device to solve the problems of single-handed opening culture dish operation inconvenience and controlling opening angle to reduce pollution.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme: a culture dish contactless operation device, comprising:

[0007] Support assembly for fixing the bottom of culture dish;

[0008] Clamping assembly for fixing the cover of culture dish;

[0009] Drive assembly, one end is connected with the support assembly, the other end is connected with the clamping assembly, for driving clamping assembly to rotate;

[0010] Expansion assembly, one side is connected with the clamping assembly, the other side is connected with the drive assembly, the expansion assembly is used for fixing the relative position of the clamping assembly and the drive assembly in expansion state;

[0011] Suction part is arranged on the side of the support assembly and the clamping assembly close to culture dish, and the suction part is connected with the expansion assembly.

[0012] Further, the expansion assembly and the suction part are provided with a gas compression assembly for compressing the gas between the suction part and culture dish into the expansion assembly.

[0013] Further, the expansion assembly comprises a rotating connecting part, an air bag part and an air inlet, the rotating connecting part is rotatably connected with the driving end of the clamping assembly, the air bag part is fixed on the rotating connecting part, one side of the air bag part is in contact with the clamping assembly, and the other side is in contact with the driving assembly, the air bag part is inflated, and the two sides are pressed on the clamping assembly and the driving assembly respectively, and the air inlet is in communication with the air outlet of the air compression assembly.

[0014] Further, the air bag part is provided with convex points on the two sides for increasing friction.

[0015] Further, the adsorption part comprises a supporting adsorption part arranged on the supporting assembly and a clamping adsorption part arranged on the clamping assembly, and the supporting adsorption part and the clamping adsorption part are of the same structure.

[0016] Further, the supporting adsorption part comprises an exhaust part two and an adsorption cavity two, the exhaust part two is in communication with the air inlet of the air compression assembly, and the adsorption cavity two is provided with a sealing gasket two at the edge.

[0017] Further, the supporting assembly is slidably connected with a base assembly at the lower part, and the base assembly is used for clamping the culture dish on the side.

[0018] Further, the base assembly is provided with two eight-shaped open sliding rails, the sliding rails comprise a tightening end and an open end, the tightening end is arranged close to the air compression assembly, and the culture dish is pushed into the sliding rail through the open end.

[0019] Further, the sliding rail is provided with a buffer part, one side of the buffer part is provided with an inclined surface, and the inclined surface is in contact with the lower edge of the cover part of the culture dish.

[0020] Further, an elastic assembly is arranged between the supporting assembly and the base assembly, and the elastic assembly is used for pushing the culture dish out of the sliding rail.

[0021] Beneficial effects:

[0022] The expansion assembly is used for realizing the full contact of the clamping assembly and the upper cover of the culture dish, and under the action of the driving assembly, the upper cover is beneficial to be opened, and the opening angle is controlled, the adsorption part is used for adsorbing and fixing the upper cover and the bottom of the culture dish, and it is beneficial to be applicable to culture dishes of different sizes. BRIEF DESCRIPTION OF DRAWINGS

[0023] The drawings that form a part of the present application are used to provide a further understanding of the present application, the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitations on the present application. In the drawings:

[0024] Figure 1 It is a whole structure schematic view of the culture dish non-contact operation device.

[0025] Figure 2 The structure diagram of the clamping petri dish of the contactless petri dish operating device is shown in the utility model.

[0026] Figure 3 The structure diagram of the contactless petri dish operating device is shown in the utility model.

[0027] Figure 4 The structure diagram of the contactless petri dish operating device is shown in the utility model.

[0028] Figure 5 The structure diagram of the contactless petri dish operating device is shown in the utility model.

[0029] Figure 6 The structure diagram of the contactless petri dish operating device is shown in the utility model.

[0030] Figure 7 The structure diagram of the contactless petri dish operating device is shown in the utility model.

[0031] Figure 8 The structure diagram of the contactless petri dish operating device is shown in the utility model. Figure 7 The structure diagram of the contactless petri dish operating device is shown in the utility model.

[0032] Figure 9 The structure diagram of the contactless petri dish operating device is shown in the utility model.

[0033] In the figure: support assembly 1; support 1-1; top plate 1-2; limiting plate 1-3; clamping assembly 2; head end 2-1; driving end 2-2; rotating shaft 2-3; support adsorption part 3; exhaust part two 3-1; adsorption cavity two 3-2; sealing gasket two 3-3; clamping adsorption part 4; exhaust part one 4-1; adsorption cavity one 4-2; sealing gasket one 4-3; driving assembly 5; expansion assembly 6; rotating connection part 6-1; air bag part 6-2; air inlet 6-3; convex point 6-4; base assembly 7; cross frame 7-1; tightening end 7-2; open end 7-3; buffer part 7-4;

[0034] Air compression assembly 9; petri dish 10. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. It should be explained that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict, and the described embodiments are only a part of the embodiments in the utility model, not all the embodiments.

[0036] It should be noted that the description of the utility model about "left", "right", "left side", "right side", "upper part", "lower part", "top", "bottom" and the like is defined based on the position or relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the structure must be constructed and operated in a specific position, therefore, it cannot be understood as a limitation on the utility model. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specifically defined.

[0037] In the description of the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0038] Referring to the description of the embodiment, a culture dish non-contact operation device is provided, comprising:

[0039] A support assembly 1 is used to fix the bottom of the culture dish 10;

[0040] A clamping assembly 2 is used to fix the cover of the culture dish 10;

[0041] A drive assembly 5 is connected to one end of the support assembly 1, and the other end is connected to the clamping assembly 2, which is used to drive the clamping assembly 2 to rotate;

[0042] An expansion assembly 6 is connected to one side of the clamping assembly 2 and the other side of the drive assembly 5, and the expansion assembly 6 is used to fix the relative position of the clamping assembly 2 and the drive assembly 5 in the expansion state;

[0043] An adsorption part is arranged on one side of the support assembly 1 and the clamping assembly 2 near the culture dish 10, and the adsorption part is connected to the expansion assembly 6.

[0044] The culture dish 10 is placed on the support assembly 1 and is pushed forward until the culture dish 10 is placed on the top plate 1-2 provided on the support assembly 1, and the clamping assembly 2 is tightly attached to the upper part of the culture dish 10, at this time, the upper and lower sides of the culture dish 10 are communicated with the suction part, and the gas between the culture dish 10 and the suction part is discharged after the air compression assembly 9 is started, forming a negative pressure, and the culture dish 10 is tightly connected with the support assembly 1 and the clamping assembly 2, facilitating opening and closing, and the discharged gas enters the expansion assembly 6, so that the expansion assembly 6 is expanded, and after the expansion assembly 6 is expanded, the clamping assembly 2 and the driving assembly 5 are fixed in position, which is beneficial to the opening and closing operation.

[0045] In the embodiment, the expansion assembly 6 and the suction part are provided with an air compression assembly 9 for pressing the gas between the suction part and the culture dish 10 into the expansion assembly 6. This is beneficial to reduce the air flow outside the culture dish 10, and further reduce the pollution to the inside when opening and closing the culture dish 10.

[0046] In the embodiment, the expansion assembly 6 includes a rotating connection part 6-1, an air bag part 6-2 and an air inlet 6-3, the rotating connection part 6-1 is rotatably connected with the driving end 2-2 of the clamping assembly 2, the air bag part 6-2 is fixed on the rotating connection part 6-1, one side of the air bag part 6-2 is in contact with the clamping assembly 2, and the other side is in contact with the driving assembly 5, the air bag part 6-2 is expanded and tightly pressed on the clamping assembly 2 and the driving assembly 5 on both sides, and the air inlet 6-3 is communicated with the exhaust port of the air compression assembly 9. The rotating connection part 6-1 is rotatably connected with the driving end 2-2, which limits the transverse position of the driving assembly 5 and the clamping assembly 2, so that the positional relationship is not affected by the expansion and contraction of the air bag part 6-2, the air compression assembly 9 press the gas into the air bag part 6-2 through the air inlet 6-3, the air bag part 6-2 is expanded, and the air bag part 6-2 is tightly pressed on the connecting rod of the clamping assembly 2 and the driving assembly 5 on both sides, one end of the connecting rod is rotatably connected with the rotating shaft 2-3 provided on the driving end 2-2, the other end of the connecting rod is rotatably connected with the support 1-1 provided on the support assembly 1, and the connecting rod is connected with a motor, the clamping assembly 2 and the driving assembly 5 keep the angle unchanged, when the motor provided in the driving assembly 5 rotates, the connecting rod rotates, the connecting rod drives the expansion assembly 6 and the clamping assembly 2 to rotate, and the clamping assembly 2 opens the cover part of the culture dish 10 by a certain angle for personnel operation.

[0047] In the embodiment, the air bag part 6-2 is provided with protrusions 6-4 on both sides for increasing friction. The protrusions 6-4 can increase the friction, and when the air bag part 6-2 is expanded, the positional relationship between the clamping assembly 2 and the driving assembly 5 is more stable.

[0048] In the embodiment, the adsorption part includes a support adsorption part 3 arranged on the support assembly 1 and a clamping adsorption part 4 arranged on the clamping assembly 2, and the support adsorption part 3 and the clamping adsorption part 4 are of the same structure. The support adsorption part 3 is used to fix the lower part of the culture dish 10, and the clamping adsorption part 4 is used to fix the upper cover of the culture dish 10.

[0049] In the embodiment, the support adsorption part 3 includes an exhaust part 3-1 and an adsorption cavity 3-2, the exhaust part 3-1 is communicated with the air inlet of the air compression assembly 9, and a sealing gasket 3-3 is arranged at the edge of the adsorption cavity 3-2. The sealing gasket 3-3 is in contact with the bottom of the culture dish 10, the air compression assembly 9 is actuated to exhaust the gas in the adsorption cavity 3-2, so that the bottom of the culture dish 10 is adsorbed on the support assembly 1.

[0050] The clamping adsorption part 4 includes an exhaust part 4-1 and an adsorption cavity 4-2, the exhaust part 4-1 is communicated with the air inlet of the air compression assembly 9, and a sealing gasket 4-3 is arranged at the edge of the adsorption cavity 4-2. The sealing gasket 4-3 is in contact with the cover of the culture dish 10, the air compression assembly 9 is actuated to exhaust the gas in the adsorption cavity 4-2, so that the cover of the culture dish 10 is adsorbed on the clamping assembly 2.

[0051] In the embodiment, the lower part of the support assembly 1 is slidably connected to the base assembly 7, and the base assembly 7 is used to clamp the culture dish 10 from the side. The base assembly 7 is provided with a cross frame 7-1, the support assembly 1 slides on the cross frame 7-1, and the culture dish 10 enters from one side of the support assembly 1 during the process of being put into the device, and is in contact with the top plate 1-2 arranged on the support assembly 1, which will drive the support assembly 1 to slide until the culture dish 10 is clamped on the base assembly 7. During this process, the lower part of the culture dish 10 is gradually in contact with and pressed against the base 7, and the lower part of the culture dish 10 is clamped in the base 7, which increases the stability of the lower part of the culture dish 10 and is beneficial to the operation of the experimenter to take and place liquid. At the same time, the clamping assembly 2 is provided with a tilted end 2-1, which facilitates the culture dish to be put in.

[0052] In the embodiment, the base assembly 7 is provided with two eight-shaped open slide rails, the slide rails include a tightening end 7-2 and an open end 7-3, the tightening end 7-2 is arranged close to the air compression assembly 9, and the culture dish 10 is pushed into the slide rail through the open end 7-3. The two eight-shaped open slide rails are beneficial to adapt to the clamping of culture dishes of different sizes.

[0053] In the embodiment, the slide rail is provided with a buffer part 7-4, one side of the buffer part 7-4 is provided with an inclined surface, and the inclined surface is in contact with the lower edge of the cover part of the culture dish 10. During the placing of the culture dish 10, the existence of the inclined surface will cause the upper cover of the culture dish 10 to move upward, but will not be separated from the lower part, which is beneficial to the opening of the cover part in the later stage and reduces the mutual friction between the cover part and the bottom side wall.

[0054] In the embodiment, the support assembly 1 is provided with an elastic assembly between the support assembly 1 and the base assembly 7, and the elastic assembly is used for pushing the culture dish 10 out of the slide rail. The elastic assembly is a spring, one end of the spring is connected with a limiting plate 1-3 arranged at the lower part of the support assembly 1, and the other end of the spring is connected with a cross frame 7-1 of the base assembly 7. When the culture dish 10 is taken out, the culture dish 10 is separated from the slide rail when the support assembly 1 is pulled, and then the culture dish 10 will continue to pop out under the action of the spring, so that the culture dish 10 is conveniently taken out.

[0055] Working principle: the culture dish 10 is placed on the support assembly 1 and pushed, the culture dish 10 first contacts the upturned end 2-1 and enters the lower part of the clamping assembly 2, the culture dish 10 is continuously pushed until the culture dish 10 contacts the top plate 1-2 and is continuously pushed, at this time, the culture dish 10 moves and drives the support assembly 1 to move along the cross frame 7-1, with the movement of the culture dish 10, the culture dish 10 will be in contact with the slide rail, and continuous movement will be clamped on the slide rail, so that the bottom of the culture dish 10 is fixed; at this time, the air bag part 6-2 is in an un-inflated state, the clamping assembly 2 and the driving assembly 5 can rotate freely, and the motor connected with the driving assembly 5 is a working turntable, so that the clamping assembly 2 and the culture dish 10 can be fully attached, the pressure assembly 9 acts to discharge the gas in the suction cavity two 3-2 and the suction cavity one 4-2 into the air bag part 6-2, the air bag part 6-2 expands to fix the clamping assembly 2 and the driving assembly 5, the motor of the driving assembly 5 acts to drive the expansion assembly 6 and the clamping assembly 2 to rotate, the clamping assembly 2 drives the upper cover of the culture dish 10 to separate, so that the culture dish 10 is opened, and the angle of opening can be controlled by the motor of the driving assembly 5. During the placing of the culture dish 10, the upper cover of the culture dish 10 will move upward relative to the bottom under the action of the buffer part 7-4, so that the friction between the upper cover edge and the bottom in the opening process is reduced, and the collision between the upper cover and the bottom in the falling process is also reduced.

[0056] The above disclosed embodiments of the utility model are only used for helping to describe the utility model. The embodiments do not describe all the details, and the utility model is not limited to the specific implementation. According to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments, in order to better explain the principle and practical application of the utility model, so that the technical personnel in the art can well understand and utilize the utility model.

Claims

1. A non-contact operation device for petri dishes, characterized in that, include: Support component (1) for fixing the bottom of the petri dish (10); Clamping assembly (2) for securing the lid of the petri dish (10); The driving component (5) is connected at one end to the support component (1) and at the other end to the clamping component (2), and is used to drive the clamping component (2) to rotate; An expansion component (6) is connected to the clamping component (2) on one side and to the driving component (5) on the other side. When in an expanded state, the expansion component (6) is used to fix the relative position of the clamping component (2) and the driving component (5). An adsorption section is disposed on the side of the support assembly (1) and the clamping assembly (2) near the culture dish (10), and the adsorption section is connected to the expansion assembly (6).

2. The contactless operation device for petri dishes according to claim 1, characterized in that: A gas compression component (9) is provided between the expansion component (6) and the adsorption part for pressurizing the gas between the adsorption part and the culture dish (10) into the expansion component (6).

3. The contactless operation device for petri dishes according to claim 2, characterized in that: The expansion assembly (6) includes a rotating connection part (6-1), an air bladder part (6-2), and an air inlet (6-3). The rotating connection part (6-1) is rotatably connected to the driving end (2-2) of the clamping assembly (2). The air bladder part (6-2) is fixed on the rotating connection part (6-1). One side of the air bladder part (6-2) is in contact with the clamping assembly (2), and the other side is in contact with the driving assembly (5). The air bladder part (6-2) expands and presses against the clamping assembly (2) and the driving assembly (5) on both sides respectively. The air inlet (6-3) is connected to the exhaust port of the air compression assembly (9).

4. The contactless operation device for petri dishes according to claim 3, characterized in that: The airbag portion (6-2) has protrusions (6-4) on both sides to increase friction.

5. The contactless operation device for petri dishes according to claim 2, characterized in that: The adsorption part includes a support adsorption part (3) disposed on the support assembly (1) and a clamping adsorption part (4) disposed on the clamping assembly (2), and the support adsorption part (3) and the clamping adsorption part (4) have the same structure.

6. The contactless operation device for petri dishes according to claim 5, characterized in that: The support adsorption part (3) includes an exhaust part two (3-1) and an adsorption chamber two (3-2). The exhaust part two (3-1) is connected to the air intake of the air compression assembly (9). A sealing gasket two (3-3) is provided at the edge of the adsorption chamber two (3-2).

7. The contactless operation device for petri dishes according to claim 2, characterized in that: The support assembly (1) is slidably connected to the base assembly (7) at its lower part, and the base assembly (7) is used to clamp the culture dish (10) from the side.

8. The contactless operation device for petri dishes according to claim 7, characterized in that: The base assembly (7) is provided with two figure-eight shaped open slide rails. The slide rails include a tightening end (7-2) and an open end (7-3). The tightening end (7-2) is located near the air compressor (9). The culture dish (10) is pushed into the slide rail through the open end (7-3).

9. The contactless operation device for petri dishes according to claim 8, characterized in that: The slide rail is provided with a buffer part (7-4), and one side of the buffer part (7-4) is provided with an inclined surface, which contacts the lower edge of the lid of the culture dish (10).

10. A non-contact operation device for petri dishes according to claim 7, characterized in that: An elastic component is provided between the support component (1) and the base component (7), the elastic component being used to push the culture dish (10) out of the slide rail.

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