Small semi-automatic microorganism coating device

Abstract

The utility model discloses a small semi-automatic microorganism coating device which comprises a crank rocker mechanism, a glass rod, a spring piece, a culture dish, a driven gear, a coating main body frame, a power main body frame, a motor, a driving gear, a bearing, an eccentric gear and a pinion. The device has the beneficial effects that the device is compact in overall structure, small and exquisite in size and neat in appearance, a plurality of flat plates can be coated at the same time in the microorganism coating process, the coating uniformity of bacterial liquid is ensured, and the requirements of small and medium-sized laboratories can be met.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of bacteria automatic coating inoculation, and particularly relates to a small semi-automatic microbial coating device. BACKGROUND

[0002] As a commonly used method for microbial counting, the dilution plate counting method is a basic operation of bacterial liquid coating. In the past, microbial inoculation mainly relied on manual coating by inspectors, and the uniformity of coating could not be guaranteed due to the influence of human factors, which seriously affected the efficiency and accuracy of the test results. Therefore, it is necessary to replace manual coating with machines to improve the coating efficiency and precision of the culture dishes. However, the existing plate coating devices are large in size, require a high space for operation, and are high in use cost. In addition, since the existing devices are semi-automatic, the mechanical operation is complex and requires multiple people to assist in the operation, which limits the quality and efficiency of the coating. Therefore, there is an urgent need for a semi-automatic plate coating device that can meet the coating requirements of small and medium-sized laboratories, has a low preparation cost, and has excellent coating performance. SUMMARY

[0003] The utility model provides a small semi-automatic microbial coating device, which can effectively solve the problems in the background art. To achieve the above object, the utility model adopts the following technical scheme:

[0004] A small semi-automatic microbial coating device, comprising a crank rocker mechanism, a spring buckle, a glass rod, a spring sheet, a culture dish, a driven gear, a bottom bearing, a coating main frame, a power main frame, a motor, a driving gear, a top bearing, an eccentric gear and a pinion; characterized in that: the bottom bearing is fixed to the bottom of the coating main frame by a pin; the driven gear is connected to the top bearing through a connecting shaft, and a plurality of spring sheets are evenly installed on the upper part of the coating main frame in the circumferential direction; the culture dish is fastened to the upper part of the coating main frame by the spring sheets; the bottom of the power main frame is fixedly connected with the motor, and the upper part is provided with four top bearings, an eccentric gear and a pinion; the pinion is connected to the upper part of the power main frame through the top bearing; the driving gear is engaged with the driven gear and connected to the motor and the pinion through the motor shaft; the crank rocker mechanism is installed on the upper part of the power main frame, one end of which is provided with the glass rod and the other end is connected to the eccentric gear; and the coating main frame is connected to the power main frame through dovetail grooves.

[0005] As a further scheme of the utility model, one end of the coating module upper plate is provided with a triangular support frame, which can support the crank rocker mechanism, and the coating module upper plate and the coating module lower plate are both provided with dovetail grooves, which facilitates the disassembly and assembly of the coating module and the power module.

[0006] As a further scheme of the utility model: four discontinuous circular thin walls are arranged around the upper plate and the lower plate of the power module to fix the top end bearing, so as to ensure that the eccentric gear connected with the top end bearing can rotate around the shaft.

[0007] As a further scheme of the utility model: dovetail grooves are arranged around the upper plate and the lower plate of the power module, and the front end of the upper plate and the lower plate of the coating module is provided with an inverted buckle and dovetail grooves at the left and right ends, the inverted buckle can be clamped in the dovetail groove through sliding, the coating main frame and the power main frame are fastened, and the upper plate of the power module is provided with a pinion to simultaneously drive four eccentric gears, 1-4 coating modules can be installed according to the working condition, so as to improve the working efficiency of the bacterial liquid coating.

[0008] As a further scheme of the utility model: the culture dish placing plate at the upper end of the coating main frame is provided with eight sizes and can be flexibly disassembled, and can be used in cooperation with culture dishes with eight national standard sizes with diameters of 60mm, 75mm, 80mm, 100mm, 120mm, 150mm, 180mm and 200mm, so that the coating device can be widely applied to various microbial coating experiments.

[0009] As a further scheme of the utility model: the motor drives the driving gear to rotate through the motor shaft, the driven gear is engaged with the driving gear and rotates together with the driving gear, the culture dish placing plate is fixedly connected to the driven gear shaft and rotates with the driven gear, in the working process, the crank rocker mechanism is fixedly connected to the eccentric gear, the eccentric gear drives the glass rod to move linearly, the linear motion and the rotary motion are combined, and the uniformity of the flat plate coating is ensured.

[0010] As a further scheme of the utility model: the crank rocker mechanism and the glass rod are connected through a spring buckle, the spring buckle is provided with a spring, the glass rod is clamped through the spring, the glass rod can be freely installed and disassembled in an elastic connection mode, the disinfection work of the glass rod is facilitated, the coating work precision and stability are ensured, and the cross contamination of the bacterial liquid between the flat plates is reduced.

[0011] The utility model has the following beneficial effects:

[0012] A. The utility model adopts the crank rocker structure, reduces the device size and increases the coating area.

[0013] B. The utility model connects the crank rocker mechanism and the glass rod through elasticity, the glass rod can only adjust the angle, is used for adjusting the thickness of the coating, and can be disassembled at any time, facilitates sterilization and disinfection, and reduces the cross contamination of the bacterial liquid in the cross flat plate coating operation.

[0014] C.The utility model discloses a dovetail groove connects coating module and power module, and the modular design is carried out to the device, and through module connection, multiple equipment can be carried out coating simultaneously, and the coating efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The utility model discloses a small -size semi -automatic microorganism coating device three -dimensional mechanism schematic diagram;

[0016] Figure 2 The utility model discloses a coating main frame part structure schematic diagram;

[0017] Figure 3 The utility model discloses a power main frame part structure schematic diagram;

[0018] Figure 4 The utility model discloses a terminal execution mechanism part structure schematic diagram;

[0019] Figure 5 The utility model discloses an eccentric gear structure schematic diagram;

[0020] The drawing mark explains: 1 - crank rocker mechanism;2 - spring buckle;3 - glass rod;4 - spring piece;5 - culture dish;6 - driven gear;7 - bottom end bearing;8 - coating main frame;9 - power main frame;10 - motor;11 - driving gear;12 - top end bearing;13 - eccentric gear:14 - pinion;081 - culture dish is put board;082 - coating module upper plate;083 - triangular support frame;084 - coating module lower plate;091 - power module upper plate;092 - power module lower plate. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below 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.

[0022] Reference Figures 1-5A small semi-automatic microbial coating device, comprising a crank rocker mechanism 1, a spring buckle 2, a glass rod 3, a spring sheet 4, a culture dish 5, a driven gear 6, a bottom end bearing 7, a coating main frame 8, a power main frame 9, a motor 10, a driving gear 11, a top end bearing 12, an eccentric gear 13, a pinion 14, a culture dish presenting plate 081, a coating module upper plate 082, a triangular support frame 083, a coating module lower plate 084, a power module upper plate 091, and a power module lower plate 092. The bottom end bearing 7 is fixed to the bottom of the coating main frame 8 through a pin; the driven gear 6 is connected with the top end bearing 12 through a connecting shaft; the coating main frame 8 is uniformly provided with a plurality of spring sheets 4 on the upper portion in the circumferential direction; the culture dish 5 is fastened on the upper portion of the coating main frame 8 through the spring sheets 4; the power main frame 9 is provided with the motor 10 at the bottom and four top end bearings 12, an eccentric gear 13 and a pinion 14 at the upper portion; the pinion 14 is connected with the upper portion of the power main frame 9 through the top end bearing 12; the driving gear 11 is engaged with the driven gear 6 and connected with the motor 10 and the pinion 14 through a motor shaft; the crank rocker mechanism 1 is installed on the upper portion of the power main frame 9 and provided with the glass rod 2 at one end and connected with the eccentric gear 13 at the other end; and the coating main frame 8 is connected with the power main frame 9 through dovetail grooves.

[0023] Further, in the embodiment of the utility model, the triangular support frame 083 is fixed at the upper end of the coating module upper plate, which can support the crank rocker mechanism, dovetail grooves are arranged around the coating module upper plate 082 and the coating module lower plate 083, which facilitates the disassembly and assembly of the coating module 8 and the power module 9.

[0024] Further, in the embodiment of the utility model, the upper and lower portions of the power module upper plate are both surrounded by four discontinuous circular thin walls, which are used to fix the top end bearings, so as to ensure that the eccentric gears connected with the top end bearings can rotate around the shaft.

[0025] Further, in the embodiment of the utility model, dovetail grooves are arranged around the power module upper plate and the power module lower plate, and the front end of the coating module upper plate and the coating module lower plate is provided with a reverse buckle and dovetail grooves at the left and right ends, which can be clamped in the dovetail grooves through sliding, so as to fix the coating main frame and the power main frame, the power module upper plate is provided with a pinion, which can drive four eccentric gears at the same time, and 1-4 coating modules can be installed according to the working condition, so as to improve the working efficiency of the bacterial liquid coating.

[0026] Further, in the utility model embodiment, the culture dish placing plate on the coating main frame upper end is provided with eight sizes and can be flexibly detached, and can be used in cooperation with eight national standard size culture dishes with diameters of 60mm, 75mm, 80mm, 100mm, 120mm, 150mm, 180mm and 200mm, so that the coating device can be widely applied to various microbial coating experiments.

[0027] Further, in the utility model embodiment, the motor drives the driving gear to rotate through the motor shaft, the driven gear is engaged with the driving gear and rotates together with the driving gear, the culture dish placing plate is fixedly connected to the driven gear shaft and rotates with the driven gear, in the working process, the crank rocker mechanism is fixedly connected to the eccentric gear, the eccentric gear drives the glass rod to move linearly, the linear motion and the rotary motion are combined, and the uniformity of the flat plate coating is ensured.

[0028] Further, in the utility model embodiment, the crank rocker mechanism and the glass rod are connected through the spring buckle, the spring buckle is provided with a spring, the glass rod is clamped through the spring, the elastic connection mode enables the glass rod to be freely installed and detached, disinfection of the glass rod is facilitated, coating work precision and stability are ensured, and cross contamination of the bacterial liquid between the flat plates is reduced.

[0029] Working principle: taking a 100mm culture dish as an example, the sterile room ultraviolet lamp is turned on one hour in advance before the test, and the instruments and culture medium used for inoculation are sterilized; when the small semi-automatic microbial coating device is used, the coating main frame 8 and the power main frame 9 are connected through the dovetail groove, the microbial culture liquid is added into the culture dish 5, then the culture dish is placed on the culture dish placing plate and fastened through the spring sheet 4, the glass rod 3 is disinfected, the glass rod 3 with a small amount of alcohol is ignited on the flame, after the alcohol is burned out, the disinfected glass rod 3 is clamped into the spring buckle 2 and connected with the crank rocker mechanism 1 after being cooled for 8-10s, the glass rod 3 is placed at the bottom of the culture dish 5, the switch of the motor 10 is turned on, the motor 10 starts to rotate, drives the driving gear 11, the driven gear 6, the pinion 14 and the eccentric gear 13 to rotate, the driven gear 5 drives the culture dish placing plate 081 and the culture dish 5 to rotate, the eccentric gear 13 drives the glass rod 3 to move horizontally and reciprocally through the crank rocker mechanism 1, so as to combine the rotary motion of the culture dish 5 and the linear motion of the glass rod 3, the motor 10 is turned off after the device is started for 5-10s, and the microbial coating work is completed.

[0030] The basic principle and main features of the utility model are exemplarily described above in combination with the drawings, the utility model is not limited by the above implementation, the above examples and the description described in the specification are only to illustrate the principle of the utility model, various changes and improvements of the utility model are still possible on the premise of not departing from the scope of the utility model, as long as the method concept and technical scheme of the utility model are adopted for various changes and improvements, or the concept and technical scheme of the utility model are directly applied to other occasions without improvement, all are within the protection scope of the utility model.

Claims

1. A small semi-automatic microbial coating device comprising crank rocker mechanism (1), spring buckle (2), glass rod (3), spring sheet (4), culture dish (5), driven gear (6), bottom end bearing (7), coating main frame (8), power main frame (9), motor (10), driving gear (11), top end bearing (12), eccentric gear (13) and pinion (14); characterized in that: The bottom end bearing (7) is fixed to the bottom of the coating main frame (8) by a pin; the driven gear (6) is connected with the top end bearing (12) through a connecting shaft, and a plurality of spring leaves (4) are evenly arranged on the upper portion of the coating main frame (8) in the circumferential direction; the culture dish (5) is fastened on the upper portion of the coating main frame (8) through the spring leaves (4); the power main frame (9) is fixed with a motor (10) at the bottom and is provided with four top end bearings (12), an eccentric gear (13) and a small gear (14) at the upper portion, the small gear (14) is connected with the upper portion of the power main frame (9) through the top end bearing (12); the driving gear (11) is engaged with the driven gear (5) and is connected with the motor (10) and the small gear (14) through a motor shaft; the crank rocker mechanism (1) is arranged on the upper portion of the power main frame (9), one end of which is provided with a glass rod (2) and the other end is connected with the eccentric gear (13); the coating main frame (8) is connected with the power main frame (9) through dovetail grooves.

2. A compact semi-automatic microbial plating device as claimed in claim 1, characterized in that: The coating main frame (8) comprises a culture dish placing plate (081), a coating module upper plate (082) and a coating module lower plate (084); the culture dish placing plate (081) is fixed below the spring leaf (4) through a bolt; the coating module upper plate (082) is fixed with a triangular support frame (083) at the upper end, which can support the crank rocker mechanism; the coating module upper plate (082) and the coating module lower plate (084) are provided with dovetail grooves around, which facilitates the disassembly and assembly of the coating module (6) and the power module (7).

3. A compact semi-automatic microbial plating device as claimed in claim 1, wherein: The power main frame (9) comprises a power module upper plate (091) and a power module lower plate (092), and the power module lower plate (092) is provided with discontinuous circular thin walls at the upper portion, which are used for fixing the motor (10); the power module upper plate (091) is provided with four discontinuous circular thin walls around the upper and lower portions, which are used for fixing the top end bearings (12), so that the eccentric gear (13) connected with the top end bearings (12) can rotate around the shaft.

4. A compact semi-automatic microbial plating device as in claim 1, wherein: The power module upper plate (091) and the power module lower plate (092) are provided with dovetail grooves around, the coating module upper plate (082) and the coating module lower plate (084) are provided with reverse buckles at the front ends and dovetail grooves at the left and right ends, the reverse buckles can be clamped in the dovetail grooves through sliding, the coating main frame (8) and the power main frame (9) are fastened, and the power module upper plate (091) is provided with a small gear (14) which can drive four eccentric gears (13) at the same time, 1-4 coating modules can be installed according to the working condition, so as to improve the working efficiency of the bacterial liquid coating.

5. A compact semi-automatic microbial plating device as in claim 1, wherein: The culture dish placing plate (081) and the glass rod (3) at the upper end of the coating main frame (8) are provided with eight sizes and can be flexibly disassembled, and can be matched with eight national standard sizes of culture dishes (5) with diameters of 60mm, 75mm, 80mm, 100mm, 120mm, 150mm, 180mm and 200mm, so that the coating device can be widely applied to various microbial coating experiments.

6. A compact semi-automatic microbial plating device as claimed in claim 1, wherein: The motor (10) drives the driving gear (9) to rotate, the driven gear (6) is engaged with the driving gear and rotates with the driving gear (11), the culture dish is fixedly connected with the driven gear shaft, and rotates with the driven gear (6), in the working process, the crank rocker mechanism (1) is fixedly connected with the eccentric gear (13), the eccentric gear (13) rotates to drive the glass rod (3) to move linearly, linear motion and rotary motion are combined, and the uniformity of plate coating is ensured.

7. A compact semi-automatic microbial plating device as claimed in claim 1, wherein: The crank rocker mechanism (1) and the glass rod (3) are connected through the spring buckle (2), the spring buckle (2) is provided with a spring, the glass rod (3) is clamped through the spring, the glass rod (3) can be freely installed and disassembled in an elastic connection mode, the disinfection work of the glass rod (3) is facilitated, coating work precision and stability are ensured, and cross contamination of bacteria liquid between plates is reduced.

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