Cover opening and closing device

Abstract

The embodiment of the utility model provides a cover opening and closing device, and relates to the technical field of cover opening and closing. The cover opening and closing device comprises a suction cup mechanism and a roller mechanism, the suction cup mechanism is used for adsorbing a reaction plate cover body so that the reaction plate cover body can be separated from a reaction plate and the cover opening process can be completed, the roller mechanism is connected with the suction cup mechanism, and the roller mechanism is used for rolling the reaction plate cover body so that the reaction plate cover body can be matched with the reaction plate and the cover closing process can be completed. Due to the fact that the reaction plate cover body and the reaction plate are separated through the suction cup mechanism, the silica gel membrane and the PCR plate can be separated without manual operation of workers, and the labor intensity of the workers is relieved.

Description

Technical Field

[0001] The utility model relates to the technical field of switch covers, in particular to a switch cover device. Background Art

[0002] PCR reaction (polymerase chain reaction) can amplify sample DNA in a short period of time, promoting the development of technologies such as gene sequencing, gene typing, and disease diagnosis. It has become an indispensable tool in modern life science research and is widely used in molecular biology research, disease diagnosis, agricultural testing, and forensic investigation.

[0003] During the PCR reaction process, the PCR reaction plate is sealed with a silicone membrane, which can effectively prevent evaporation, cross-contamination and sample overflow of the PCR reaction solution, while protecting the reaction solution from interference from the external environment, ensuring the accuracy and repeatability of the PCR reaction.

[0004] In the prior art, removing the silicone membrane from the PCR reaction plate and uncapping the plate is typically done manually, by gradually tearing the membrane from one end. However, this method increases labor intensity. Therefore, how to quickly and efficiently separate the silicone membrane from the PCR reaction plate has become a pressing technical challenge in automating PCR reactions. Utility Model Content

[0005] The utility model provides an opening and closing cover device, which can reduce the labor intensity of personnel during the process of opening the cover.

[0006] The embodiment of the present utility model can be implemented as follows:

[0007] The utility model provides a switch cover device, comprising:

[0008] a suction cup mechanism, the suction cup mechanism being used to absorb the reaction plate cover to separate the reaction plate cover from the reaction plate; and

[0009] A roller mechanism is connected to the suction cup mechanism, and is used for rolling the reaction plate cover to make the reaction plate cover fit with the reaction plate.

[0010] In an optional embodiment, the suction cup mechanism includes a negative pressure suction cup and a negative pressure tube, the negative pressure tube is connected to the negative pressure suction cup, the roller mechanism is connected to the negative pressure suction cup, and the negative pressure suction cup is used to adsorb the reaction plate cover to separate the reaction plate cover and the reaction plate.

[0011] In an optional embodiment, the negative pressure suction cup includes a mounting plate and a negative pressure transfer plate, the mounting plate and the negative pressure transfer plate are connected and jointly define a negative pressure chamber, the mounting plate is provided with a negative pressure suction hole, the negative pressure transfer plate is provided with a negative pressure through hole, the negative pressure suction hole, the negative pressure chamber and the negative pressure through hole are sequentially connected;

[0012] The negative pressure transfer disc is used to absorb the reaction plate cover through the negative pressure through-holes, so as to separate the reaction plate cover from the reaction plate.

[0013] In an optional embodiment, there are multiple negative pressure through holes.

[0014] In an optional embodiment, the negative pressure suction cup further includes a first sealing member, which abuts against the mounting plate and the negative pressure transfer plate at the same time.

[0015] In an optional embodiment, the negative pressure suction cup further includes a second sealing member and a mounting frame, the mounting frame is connected to the negative pressure transfer disc, and the second sealing member abuts against the mounting frame and the negative pressure transfer disc at the same time;

[0016] The second sealing member is used for contacting the reaction plate cover when the negative pressure transmission disk adsorbs the reaction plate cover.

[0017] In an optional embodiment, the switch cover device further includes a negative pressure device, the negative pressure device, the negative pressure tube and the negative pressure suction hole are connected in sequence, and the negative pressure device is used to adjust the negative pressure value in the negative pressure tube.

[0018] In an optional embodiment, the negative pressure suction cup has a rectangular structure, and the roller mechanism is located on one side of the negative pressure suction cup.

[0019] In an optional embodiment, the roller mechanism includes a bracket and a roller, the bracket is connected to the suction cup mechanism, and the roller is rotatably disposed on the bracket.

[0020] In an optional embodiment, the switch cover device further includes a moving device, and the moving device is connected to the suction cup mechanism or the roller mechanism to drive the roller mechanism to move.

[0021] The beneficial effects of the switch cover device of the embodiment of the utility model include, for example:

[0022] The utility model provides an opening and closing cover device, which includes a suction cup mechanism and a roller mechanism. The suction cup mechanism is used to absorb a reaction plate cover to separate the reaction plate cover from the reaction plate, thereby completing the opening process. The roller mechanism is connected to the suction cup mechanism. The roller mechanism is used to roll the reaction plate cover to make the reaction plate cover fit with the reaction plate, thereby completing the closing process. During the opening process, the suction cup mechanism is used to separate the reaction plate cover (such as a silicone membrane) from the reaction plate (such as a PCR plate). Therefore, the silicone membrane and the PCR plate can be separated without manual operation, thereby reducing the labor intensity of the personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0024] Figure 1 A schematic diagram of the cover closing process of the opening and closing cover device provided in an embodiment of the present utility model;

[0025] Figure 2 A schematic diagram of a switch cover device provided in an embodiment of the present utility model;

[0026] Figure 3 An exploded view of a reaction plate assembly provided in an embodiment of the present invention;

[0027] Figure 4 This is an exploded view of the suction cup mechanism provided in an embodiment of the present utility model;

[0028] Figure 5 This is a cross-sectional view of a state in which the suction cup mechanism provided in an embodiment of the present invention adsorbs the reaction plate cover.

[0029] Icons: 1-suction cup mechanism; 2-roller mechanism; 3-reaction plate assembly; 11-negative pressure tube; 12-mounting plate; 13-first sealing member; 14-negative pressure suction hole; 15-second sealing member; 16-mounting frame; 21-bracket; 22-roller; 23-rotating shaft; 31-reaction plate cover; 32-reaction plate; 101-negative pressure chamber; 102-negative pressure through hole; 103-adsorption chamber. DETAILED DESCRIPTION

[0030] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0031] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort are intended to fall within the scope of protection of the present invention.

[0032] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0033] In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the accompanying drawings, or is the orientation or position relationship in which the utility model product is usually placed when in use. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0034] In addition, the terms "first", "second", etc., if used, are merely used to distinguish and describe, and should not be understood as indicating or implying relative importance.

[0035] It should be noted that, in the absence of conflict, the features in the embodiments of the present invention can be combined with each other.

[0036] A PCR plate is a carrier used to hold primers, Taq DNA polymerase, dNTPs, template nucleic acid, magnesium, buffer, etc., which are involved in the amplification reaction in the polymerase chain reaction (PCR).

[0037] As mentioned in the background, conventional methods for removing the silicone membrane from the PCR plate and opening the cover are typically performed manually, that is, by gradually tearing the membrane from one end. However, this method increases labor intensity and is prone to splashing and contamination during the tearing process.

[0038] In addition, in the existing technology, when implementing the cover closing process, after the silicone membrane is placed on the PCR plate, personnel need to manually use a roller to roll and press it, and the cover closing process cannot be automated.

[0039] In view of this, please refer to Figure 1-Figure 5 The switch cover device provided in the embodiment of the present invention can solve this problem, which will be described in detail below.

[0040] Please refer to Figure 1 and Figure 2 In an embodiment of the present invention, a cover opening and closing device is provided, which can facilitate the opening and closing processes between the reaction plate cover 31 and the reaction plate 32.

[0041] The cover opening and closing device includes a suction cup mechanism 1 and a roller mechanism 2. The suction cup mechanism 1 is used to absorb the reaction plate cover 31 to separate the reaction plate cover 31 and the reaction plate 32, completing the cover opening process. The roller mechanism 2 is connected to the suction cup mechanism 1 and is used to roll the reaction plate cover 31 to make the reaction plate cover 31 and the reaction plate 32 fit together, completing the cover closing process.

[0042] During the opening process, the reaction plate cover 31 (eg Figure 3 The silica gel membrane shown) and the reaction plate 32 (eg Figure 3 The PCR plate shown in the figure can be separated, and the silica gel membrane and the PCR plate can be separated without manual operation, thereby reducing the labor intensity of the personnel. The PCR plate here can be a deep-well plate.

[0043] Please continue to refer to Figure 4 and Figure 5 Specifically, the suction cup mechanism 1 includes a negative pressure suction cup and a negative pressure tube 11, the negative pressure tube 11 is connected to the negative pressure suction cup, the roller mechanism 2 is connected to the negative pressure suction cup, and the negative pressure suction cup is used to adsorb the reaction plate cover 31 to separate the reaction plate cover 31 and the reaction plate 32.

[0044] Among them, the negative pressure suction cup includes a mounting plate 12 and a negative pressure transfer plate, the mounting plate 12 and the negative pressure transfer plate are connected, and together define a negative pressure chamber 101, the mounting plate 12 is provided with a negative pressure suction hole 14, and the negative pressure transfer plate is provided with a negative pressure through hole 102, the negative pressure suction hole 14, the negative pressure chamber 101 and the negative pressure through hole 102 are connected in sequence, wherein the negative pressure transfer plate is used to adsorb the reaction plate cover 31 through the negative pressure through hole 102 to separate the reaction plate cover 31 and the reaction plate 32.

[0045] In this embodiment, the negative pressure through hole 102 is a circular through hole, and there are multiple negative pressure through holes 102 .

[0046] In addition, in order to enhance the sealing performance of the negative pressure chamber 101 , the negative pressure suction cup further includes a first sealing member 13 . The first sealing member 13 is an annular structure, and the first sealing member 13 abuts against the mounting plate 12 and the negative pressure transmission plate at the same time.

[0047] In order to enhance the adsorption effect on the reaction plate cover, in this embodiment, the negative pressure suction cup also includes a second seal 15 and a mounting frame 16. The second seal 15 is an annular structure. The mounting frame 16 is connected to the negative pressure transfer disk. The second seal 15 abuts against the mounting frame 16 and the negative pressure transfer disk at the same time. The second seal 15 is used to abut the reaction plate cover when the negative pressure transfer disk adsorbs the reaction plate cover 31. It is easy to understand that the square through hole of the mounting frame 16 can reveal the negative pressure through hole 102. At the same time, when adsorbing the reaction plate cover, the reaction cover passes through the square through hole and abuts against the second seal 15.

[0048] It is easy to understand that when the second seal 15 abuts against the reaction plate cover, the reaction plate cover, the second seal 15 and the negative pressure transfer disk jointly define the adsorption chamber 103, and the adsorption chamber 103, the negative pressure through hole 102, the negative pressure chamber 101 and the negative pressure suction hole 14 are connected in sequence.

[0049] In addition, the switch cover device also includes a negative pressure device, and the negative pressure device, the negative pressure tube 11 and the negative pressure suction hole 14 are connected in sequence, that is, the negative pressure device is connected to the negative pressure suction hole 14 through the negative pressure tube 11, and the negative pressure device can be used to adjust the negative pressure value in the negative pressure tube 11.

[0050] Specifically, in this embodiment, the negative pressure device can be a pneumatic negative pressure pump, an electric negative pressure pump, or a mechanical negative pressure pump. At the same time, the negative pressure device has the function of adjusting the negative pressure value. By slowly increasing the negative pressure, the silicone membrane can slowly fall off the PCR plate to avoid contamination caused by vibration and splashing.

[0051] In addition, in this embodiment, the negative pressure suction cup has a rectangular structure as a whole, and the roller mechanism 2 is located on one side of the negative pressure suction cup. Specifically, the roller mechanism 2 can be located on one side of the mounting plate 12. At the same time, the roller mechanism 2 includes a bracket 21 and a roller 22. The bracket 21 can be connected to the negative pressure suction cup of the suction cup mechanism 1, and the roller 22 can be rotatably arranged on the bracket 21.

[0052] Specifically, the bracket 21 can be connected to the mounting plate 12 of the suction cup mechanism 1 . A rotating shaft 23 is installed on the bracket 21 . The rotating shaft 23 is rotatably connected to the bracket 21 . The roller 22 can be sleeved on the outside of the rotating shaft 23 .

[0053] In addition, in order to facilitate the movement of the negative pressure suction cup and the movement of the roller mechanism 2 to achieve rolling of the reaction plate cover 31, the switch cover device also includes a moving device, which is connected to the bracket 21 of the suction cup mechanism 1 or the roller mechanism 2 to drive the roller mechanism 2 to move.

[0054] For example, the moving device here can be a manipulator, or a driving mechanism composed of multiple cylinders, specifically a first cylinder, a second cylinder and a third cylinder connected in sequence, the first cylinder can drive the second cylinder to move in the first direction, the second cylinder can drive the third cylinder to move in the second direction, the third cylinder is connected to the mounting plate 12 of the suction cup mechanism 1, the third cylinder can drive the mounting plate 12 to move in the third direction, and then drive the negative pressure suction cup and the roller mechanism 2 to move together, so as to realize the process of automatic opening and closing of the cover, and any two directions of the first direction, the second direction and the third direction are perpendicular.

[0055] According to a switch cover device provided in this embodiment, the working principle of the switch cover device is as follows:

[0056] During the opening process, if Figure 5 As shown, negative pressure is input into the negative pressure tube 11 through the negative pressure device. At the same time, the suction cup mechanism 1 covers the reaction plate assembly 3, and the second sealing member 15 fits the edge of the silicone membrane to achieve a sealing effect. After the negative pressure is passed through the negative pressure tube 11, negative pressure is formed in the negative pressure chamber 101, and the negative pressure is transmitted to the adsorption chamber 103 through the negative pressure vent. The silicone membrane can fall off from the PCR plate after being subjected to the environmental negative pressure, thereby completing the opening process.

[0057] Since the suction cup mechanism 1 is used to separate the silicone membrane from the PCR plate, the silicone membrane and the PCR plate can be separated without manual operation, thereby reducing the labor intensity of the personnel.

[0058] It is easy to understand that the silicone membrane can be adsorbed on the suction cup mechanism 1 all the time. After other processes of the PCR plate are completed, the moving device can drive the suction cup mechanism 1 to move so that the silicone membrane is placed above the PCR plate. At this time, the negative pressure device removes the negative pressure in the adsorption chamber 103, and the silicone membrane falls off naturally and covers the PCR plate. Finally, the moving device drives the roller mechanism 2 to roll in the pressing direction indicated by the arrow, pressing the silicone membrane on the PCR plate, completing the automation of the cover closing process without the need for personnel to manually operate the roller 22 to move.

[0059] In summary, the opening and closing cover device includes a suction cup mechanism 1 and a roller mechanism 2. The suction cup mechanism 1 is used to adsorb the reaction plate cover 31 to separate the reaction plate cover 31 and the reaction plate 32, completing the opening process. The roller mechanism 2 is connected to the suction cup mechanism 1, and the roller mechanism 2 is used to roll the reaction plate cover 31 to make the reaction plate cover 31 and the reaction plate 32 cooperate to complete the closing process.

[0060] During the opening process, the suction cup mechanism 1 is used to separate the reaction plate cover 31 (such as a silicone membrane) and the reaction plate 32 (such as a PCR plate). The silicone membrane and the PCR plate can be separated without manual operation by personnel, thereby reducing the labor intensity of personnel. At the same time, during the closing process, an automated closing process is realized.

[0061] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A switch cover device, characterized in that: include: A suction cup mechanism, the suction cup mechanism is used to absorb the reaction plate cover to separate the reaction plate cover from the reaction plate; as well as A roller mechanism is connected to the suction cup mechanism, and is used for rolling the reaction plate cover to make the reaction plate cover match the reaction plate.

2. The switch cover device according to claim 1, characterized in that: The suction cup mechanism includes a negative pressure suction cup and a negative pressure tube, the negative pressure tube is connected to the negative pressure suction cup, the roller mechanism is connected to the negative pressure suction cup, and the negative pressure suction cup is used to adsorb the reaction plate cover to separate the reaction plate cover from the reaction plate.

3. The switch cover device according to claim 2, characterized in that: The negative pressure suction cup comprises a mounting plate and a negative pressure transfer plate, the mounting plate and the negative pressure transfer plate are connected and jointly define a negative pressure chamber, the mounting plate is provided with a negative pressure suction hole, the negative pressure transfer plate is provided with a negative pressure through hole, the negative pressure suction hole, the negative pressure chamber and the negative pressure through hole are sequentially connected; The negative pressure transfer disk is used to absorb the reaction plate cover through the negative pressure through hole, so as to separate the reaction plate cover from the reaction plate.

4. The switch cover device according to claim 3, characterized in that: The number of the negative pressure through holes is multiple.

5. The switch cover device according to claim 3, characterized in that: The negative pressure suction cup also includes a first seal, which abuts against the mounting plate and the negative pressure transfer plate at the same time.

6. The switch cover device according to claim 3, characterized in that: The negative pressure suction cup further comprises a second sealing member and a mounting frame, wherein the mounting frame is connected to the negative pressure transmission disc, and the second sealing member abuts against the mounting frame and the negative pressure transmission disc at the same time; The second sealing member is used for contacting the reaction plate cover when the negative pressure transmission disk adsorbs the reaction plate cover.

7. The switch cover device according to claim 3, characterized in that: The switch cover device also includes a negative pressure device, the negative pressure device, the negative pressure tube and the negative pressure suction hole are connected in sequence, and the negative pressure device is used to adjust the negative pressure value in the negative pressure tube.

8. The switch cover device according to claim 2, characterized in that: The negative pressure suction cup has a rectangular structure, and the roller mechanism is located on one side of the negative pressure suction cup.

9. The switch cover device according to claim 1, characterized in that: The roller mechanism comprises a bracket and a roller, the bracket is connected to the suction cup mechanism, and the roller is rotatably arranged on the bracket.

10. The switch cover device according to claim 1, characterized in that: The switch cover device also includes a moving device, which is connected to the suction cup mechanism or the roller mechanism to drive the roller mechanism to move.

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