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CN-224227058-U - Full-automatic high accuracy bacterium coating device

CN224227058UCN 224227058 UCN224227058 UCN 224227058UCN-224227058-U

Abstract

The utility model provides a full-automatic high-precision bacteria coating device, which belongs to the field of medical equipment and comprises a motor and a bacteria liquid cylinder, wherein the output end of the motor is provided with a rotating shaft in a matched manner, and the output end of the rotating shaft is provided with a driving mechanism for driving the bacteria liquid cylinder to rotate. The utility model can control the coating speed, the coating force and the coating liquid distribution with extremely high precision, ensure that each coating can achieve an approximately consistent effect, uniformly and accurately coat bacterial suspension on the surface of a culture medium according to preset parameters, ensure that bacteria are more uniformly distributed on a flat plate, provide a more reliable basis for subsequent experiments such as colony counting, bacterial screening and the like, greatly improve the accuracy and the repeatability of experimental results, and effectively reduce the opportunity of foreign bacteria in the external environment to enter a coating system.

Inventors

  • ZHANG YANXIN
  • WANG XIAOBING

Assignees

  • 青岛工发智能科技有限公司

Dates

Publication Date
20260512
Application Date
20250527

Claims (7)

  1. 1. The full-automatic high-precision bacterial coating device comprises a motor (1) and a bacterial liquid cylinder (2), and is characterized in that a rotating shaft (3) is installed at the output end of the motor (1) in a matched mode, and a driving mechanism (4) for driving the bacterial liquid cylinder (2) to rotate is installed at the output end of the rotating shaft (3); The driving mechanism (4) comprises an eccentric wheel (401) arranged on a rotating shaft (3), a guide groove (402) is formed in one side surface of the eccentric wheel (401), the guide groove (402) is formed in the outline of the eccentric wheel (401) at equal intervals, a connecting shaft (403) is arranged in the guide groove (402), the connecting shaft (403) rolls in the guide groove (402), a connecting piece (404) is rotatably arranged at the outer end of the connecting shaft (403), and a piston push rod (405) is arranged at one end of the bottom of the connecting piece (404).
  2. 2. The full-automatic high-precision bacteria coating device according to claim 1, wherein the two side surfaces of the guide groove (402) are provided with the matching groove (5), the circumferential surface of the connecting shaft (403) is welded with the annular block (6), and the annular block (6) is clamped in the matching groove (5) to roll.
  3. 3. The full-automatic high-precision bacteria coating device according to claim 1, wherein the bottom of the connecting piece (404) is of a disc structure, the discs of the disc structure are two groups of semi-discs, and the connecting part of the disc structure and the connecting shaft (403) is rotatably arranged.
  4. 4. The full-automatic high-precision bacteria coating device according to claim 1, wherein a supporting disc (7) is fixedly arranged at the bottom of the motor (1), a fixing ring (8) is clamped at the periphery of the bacteria liquid barrel (2), and the supporting disc (7) is fixed with the fixing ring (8) through a connecting frame.
  5. 5. The full-automatic high-precision bacteria coating device according to claim 1, wherein a coating head (9) is arranged at the bottom of the bacteria liquid cylinder (2) in a threaded manner, and the coating head (9) is in a water drop shape and is detachable from the bottom of the bacteria liquid cylinder (2).
  6. 6. The full-automatic high-precision bacteria coating device according to claim 1, wherein the surface of the bacteria liquid cylinder (2) is provided with scale marks (10) which are convenient for identifying the bacteria liquid content in the bacteria liquid cylinder (2).
  7. 7. The full-automatic high-precision bacteria coating device according to claim 1, wherein the bacteria liquid cylinder (2) is made of medical plastic materials.

Description

Full-automatic high accuracy bacterium coating device Technical Field The utility model relates to the field of medical equipment, in particular to a full-automatic high-precision bacteria coating device. Background Bacterial coating is a commonly used microbiological experimental technique, and is mainly used for uniformly dispersing bacterial samples on the surface of a solid culture medium, so that subsequent operations such as colony counting, strain separation, purification or observation of growth characteristics of bacteria are facilitated. By bacterial coating, individual discrete bacterial colonies can be obtained, which is critical for microbiological research, clinical diagnosis, food safety detection, etc. At present, bacterial coating technology is mainly manual coating, quantitative bacteria are dripped on the surface of a culture medium when personnel operate, and the bacteria are uniformly coated by a sterile coating rod, so that the bacteria liquid fully covers the culture medium, and single colonies or lawn are formed after culture and are used for microbial separation, counting or observation and the like. The manual coating is easily affected by the operator manipulation, so that bacterial colony distribution is uneven, and single bacterial colony separation and counting accuracy are affected; the coating results of the same operator in different batches or among different operators are obviously different, the efficiency is low, and the standardized experiment requirements are difficult to meet. Therefore, a full-automatic high-precision bacteria coating device is provided. Disclosure of utility model The utility model aims at solving the problems that bacterial coating technology existing at present is mainly or manually coating, so that bacterial colony is unevenly distributed and single bacterial colony separation and counting accuracy are affected. In order to achieve the above object, the present utility model provides the following technical solutions: the full-automatic high-precision bacteria coating device comprises a motor and a bacteria liquid cylinder, wherein the output end of the motor is provided with a rotating shaft in a matching way, and the output end of the rotating shaft is provided with a driving mechanism for driving the bacteria liquid cylinder to rotate; The driving mechanism comprises an eccentric wheel arranged on a rotating shaft, a guide groove is formed in one side surface of the eccentric wheel, the guide groove is arranged at equal intervals with the outline of the eccentric wheel, a connecting shaft is arranged in the guide groove, the connecting shaft rolls in the guide groove, a connecting piece is rotatably arranged at the outer end of the connecting shaft, and a piston push rod is arranged at one end of the bottom of the connecting piece. As a preferable technical scheme of the utility model, the two side surfaces of the guide groove are provided with the matching grooves, the circumferential surface of the connecting shaft is welded with the annular blocks, and the annular blocks are clamped in the matching grooves to roll. As the preferable technical scheme of the utility model, the bottom of the connecting piece is of a disc structure, the disc is composed of two groups of semi-discs, and the connecting part of the semi-discs and the connecting shaft is rotatably arranged. As a preferable technical scheme of the utility model, a supporting disc is fixedly arranged at the bottom of the motor, a fixing ring is clamped at the periphery of the bacteria liquid cylinder, and the supporting disc is fixed with the fixing ring through a connecting frame. As the preferable technical scheme of the utility model, the bottom thread of the bacteria liquid cylinder is provided with the coating head, and the coating head is in a water drop shape and is detachable from the bottom of the bacteria liquid cylinder. As a preferable technical scheme of the utility model, the surface of the bacterial liquid barrel is provided with scale marks which are convenient for identifying the bacterial liquid content in the bacterial liquid barrel. As a preferable technical scheme of the utility model, the bacterial liquid cylinder is made of medical plastic. Compared with the prior art, the utility model has the beneficial effects that: 1. The method has the advantages that the coating speed, the coating force and the coating liquid distribution can be controlled with extremely high precision, the effect of almost consistency can be ensured to be achieved in each coating, bacterial suspension can be uniformly and accurately coated on the surface of a culture medium according to preset parameters, so that the bacteria are more uniformly distributed on a flat plate, a more reliable basis is provided for subsequent experiments such as colony counting and strain screening, and the accuracy and the repeatability of experimental results are greatly improved; 2. The method can effectiv