A microbial culture vessel and its cleaning device
By designing a microbial culture vessel body and cleaning device with an angle of 135°, the problem of difficulty in cleaning the edges of the culture dishes in the prior art is solved, and a more thorough cleaning and disinfection effect is achieved.
Patent Information
- Application Number
- CN202411651034.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2044-11-19
AI Technical Summary
The bottom and peripheral sides of the existing microbial culture vessels are set at 90°, making it difficult to thoroughly clean the edges of the inner veins, and the brushes are difficult to diffuse the detergent and clean the inner veins.
A microbial culture vessel was designed, and its dish body adopts an angle between 135° connecting ring and top ring to form a first annular arc surface and a second annular arc surface, eliminating the edges inside the dish body for easy cleaning. In addition, a cleaning device is provided, including a moving grasping mechanism, a nozzle driven by a drive shaft, and a brush head, through which the bristles are swung back and forth in a vertical direction to thoroughly clean the Petri dish.
By designing a special dish structure and cleaning device, thorough cleaning of the edges of the Petri dish is achieved, ensuring the reuse and disinfection effect of the Petri dish.
Smart Images

Figure CN119161963B_ABST
Abstract
Description
Technical Field
[0001] This application relates to the technical field of microorganism culture, and particularly relates to a microorganism culture vessel and a cleaning device thereof. Background Art
[0002] Petri dishes are basic tools in microbiology and cell biology experiments. A Petri dish consists of a flat disc-shaped dish body and a dish cover, usually made of glass or plastic. After a Petri dish completes a culture experiment, it needs to be strictly cleaned before it can be used again.
[0003] Currently, the bottom and the peripheral side of the dish body are set at 90°, resulting in an area that is not easy to clean at the inner edge of the dish body. It is difficult for the staff to effectively spread the detergent to the inner edge of the Petri dish with a brush, and it is difficult for the brush to clean the inner edge of the dish body thoroughly, thus leading to incomplete cleaning of the Petri dish. Summary of the Invention
[0004] In order to facilitate thorough cleaning of the Petri dish, this application provides a microorganism culture vessel and a cleaning device thereof.
[0005] In a first aspect, a microorganism culture vessel provided by this application adopts the following technical solution:
[0006] A microorganism culture vessel includes a dish body and a dish cover. The dish body includes a bottom plate, a connecting ring, and a top ring. The connecting ring is fixedly arranged on the outer peripheral side of the top of the bottom plate. The included angle between the inner side of the connecting ring and the top of the bottom plate is 135°. A first annular arc surface is formed on the inner side of the connection between the connecting ring and the bottom plate. The top ring is coaxially and fixedly arranged on the top of the connecting ring. The included angle between the inner side of the top ring and the inner side of the connecting ring is 135°, and a second annular arc surface is formed on the inner side of the connection between the top ring and the connecting ring.
[0007] By adopting the above technical solution, when cleaning the dish body, the first annular arc surface and the second annular arc surface make there be no inner edge in the dish body, so that there is no area that is not easy to clean inside the dish body. The included angles between the connecting ring and the bottom plate and between the connecting ring and the top ring are 135°, which is convenient for cleaning the first annular arc surface and the second annular arc surface of the dish body, thus facilitating thorough cleaning of the Petri dish.
[0008] In a second aspect, a cleaning device for a microorganism culture vessel provided by this application adopts the following technical solution:
[0009] A cleaning device for microbial culture vessels, which is used to clean a microbial culture vessel, includes a cleaning table. A cleaning chamber and a drying and disinfection chamber are formed inside the cleaning table. A placing plate for placing culture dishes is arranged inside the cleaning table. A moving and grasping mechanism is arranged inside the cleaning table, which is used to grasp the culture dish and drive the culture dish to move inside the cleaning chamber and the drying and disinfection chamber. A plurality of first driving members are arranged inside the cleaning table at the cleaning chamber. A transmission shaft is arranged on the first driving member. A spray head is arranged at the top of the transmission shaft. A brush head is sleeved on the spray head. A first flow channel is installed inside the transmission shaft. A first spray hole communicating with the first flow channel is opened inside the spray head. A second spray hole communicating with the first spray hole is opened inside the brush head. Brush hairs are arranged on the brush head. A swinging mechanism is arranged on the brush head. When the brush head rotates, the brush head drives the brush hairs to swing reciprocally along the direction perpendicular to its own moving direction through the swinging mechanism.
[0010] By adopting the above technical solution, the used culture dish is placed on the placing plate. The moving and grasping mechanism grasps and moves the culture dish into the cleaning chamber. The first driving member drives the spray head to rotate through the transmission shaft. The spray head drives the brush hairs to rotate through the brush head. The detergent enters the first spray hole through the first flow channel and then sprays out from the second spray hole. During the rotation of the brush hairs, the culture dish is cleaned. At the same time, the swinging mechanism drives the brush hairs to swing reciprocally, so that the culture dish can be cleaned more cleanly and thoroughly. After the culture dish is cleaned, the moving and grasping mechanism then sends the culture dish into the drying and disinfection chamber for drying and disinfection.
[0011] Preferably, the moving and grasping mechanism includes an X-axis moving part, a Y-axis moving part, a moving plate and a plurality of suction nozzles. The X-axis moving part is arranged inside the cleaning table. The Y-axis moving part is arranged on the horizontal moving end of the X-axis moving part. The moving plate is arranged on the vertical moving end of the Y-axis moving part. A plurality of the suction nozzles are arranged on the bottom wall of the moving plate, and a plurality of the brush heads are respectively located below the plurality of suction nozzles.
[0012] By adopting the above technical solution, the X-axis moving part and the Y-axis moving part can drive the plurality of suction nozzles to move along the horizontal and vertical directions through the moving plate. The suction nozzles can adsorb and grasp the culture dishes on the placing table, so that the culture dishes can be grasped and moved.
[0013] Preferably, a shaking mechanism is provided inside the moving plate. The shaking mechanism includes a second driving member, a turntable, a shaking frame, a connecting plate, a guiding plate, and a shaking plate. The second driving member is arranged on the moving plate. The turntable is eccentrically arranged at the driving end of the second driving member. The shaking frame is sleeved on the turntable and slidably arranged on the moving plate. The connecting plate is fixedly arranged on the side wall of the shaking frame. The shaking plate is fixedly arranged at one end of the connecting plate away from the shaking frame. The guiding plate is slidably arranged on the moving plate along the direction perpendicular to the connecting plate. The connecting plate slidably passes through the guiding plate. A plurality of support rods are fixedly arranged on the bottom wall of the shaking plate. A plurality of the suction nozzles are arranged at the bottom ends of the plurality of support rods.
[0014] By adopting the above technical solution, when cleaning the petri dish, the second driving member drives the turntable to rotate. The turntable drives the shaking frame to move along a circular track. The shaking frame drives the shaking plate to move along a circular track through the connecting plate and the guiding plate. The shaking plate then drives the suction nozzles to move through the support rods. The suction nozzles drive the petri dish to shake and move along a circular track, so that the petri dish can be cleaned more thoroughly.
[0015] Preferably, a lifting block is slidably arranged on the transmission shaft along its own axis direction. The upper half of the transmission shaft is formed with an external thread. The lifting block is threadedly sleeved on the transmission shaft. A positioning plate is fixedly arranged inside the cleaning table. The transmission shaft passes through the positioning plate. A plurality of first guiding columns are arranged on the positioning plate. The first guiding columns penetrate through the lifting block. A second guiding column is slidably arranged on the top wall of the lifting block. The top end of the second guiding column is slidably arranged at the bottom of the brush head. A first elastic member is sleeved on the second guiding column. Two ends of the first elastic member respectively abut against the brush head and the lifting block. A retaining ring is arranged at the top end of the spray head. The bottom wall of the retaining ring abuts against the top wall of the brush head. A limiting block is fixedly arranged on the first guiding column below the external thread. The limiting block is provided with a second elastic member. A switching mechanism is arranged inside the transmission shaft. When the transmission shaft rotates forward, the transmission shaft drives the lifting block to move upward. The switching mechanism switches the first flow channel to supply detergent. When the transmission shaft rotates reversely, the transmission shaft drives the lifting block to move downward. The switching mechanism switches the first flow channel to supply distilled water.
[0016] By adopting the above technical solution, when cleaning the petri dish, the transmission shaft rotates forward first. The transmission shaft drives the lifting block to move upward. The lifting block pushes the brush head to move upward through the first elastic member to abut against the retaining ring, so that the first spray hole and the second spray hole can be aligned. At this time, the first flow channel supplies detergent, making the brush clean the petri dish more thoroughly. Then the transmission shaft rotates reversely. The transmission shaft drives the lifting block to move downward. The lifting block drives the brush head to move downward. At this time, the first flow channel supplies distilled water, and the first spray hole of the spray head sprays distilled water, so as to clean the detergent on the petri dish.
[0017] Preferably, the swinging mechanism includes a wave ring, a roller, a lifting column, a third elastic member, a pulling rope, a fourth elastic member, a first mounting plate, and a second mounting plate. The first mounting plate is fixedly arranged on the top wall of the brush head. The third elastic member is arranged on the first mounting plate. The second mounting plate is fixedly arranged at the bottom of the side wall of the brush head. The lifting column slidably passes through the second mounting plate. Two ends of the pulling rope are respectively connected to the third elastic member and the lifting column. A rotating block is rotatably arranged on the brush head. The bristles are fixedly arranged on the rotating block. The fourth elastic member is arranged on the bottom wall of the second mounting plate and connects the bottom wall of the second mounting plate and the bottom end of the lifting column. The roller is arranged at the bottom end of the lifting column. The wave ring is fixedly arranged on the top wall of the lifting block. The top wall of the wave ring is wavy, and the roller is rollingly arranged on the top wall of the wave ring.
[0018] By adopting the above technical solution, during the rotation of the brush head, the roller rolls on the wave ring, and the roller drives the lifting column to reciprocate up and down. When the lifting column moves upward, the third elastic member pulls the pulling rope to move forward, and the pulling rope drives the bristles to swing in one direction through the rotating block. When the lifting column moves downward, the fourth elastic member pulls the pulling rope to move in the reverse direction through the lifting column, and the pulling rope drives the bristles to swing in the other direction through the rotating block, so that the brush can swing reciprocally during the rotation of the brush head.
[0019] Preferably, the switching mechanism includes a joint, a lifting rod, a switching rod, a first plug, a second plug, a first elastic reset member, and a second elastic reset member. The joint is fixedly arranged on the positioning plate and sleeved on the transmission shaft. A second flow channel and a third flow channel are installed in the transmission shaft. One ends of the second flow channel and the third flow channel are communicated with the first flow channel, and the other ends are connected to the joint. A lifting groove is axially formed in the transmission shaft along its own axis. The lifting rod is fixedly arranged on the bottom wall of the lifting block and located in the lifting groove. The switching rod is fixedly arranged in the middle of the lifting rod. The first plug slidably passes through the second flow channel. The first elastic reset member is arranged in the transmission shaft and abuts against the first plug. The second plug slidably passes through the third flow channel. The second elastic reset member is arranged in the transmission shaft and abuts against the second plug. The first plug and the second plug are located on the upper and lower sides of the switching rod.
[0020] By adopting the above technical solution, when the lifting block moves upward, the lifting block drives the switching rod to move upward through the lifting rod. The top end of the switching rod pushes the first plug to move to block the second flow channel, and the second elastic reset member drives the second plug to move out of the third flow channel. At this time, the detergent in the third flow channel flows into the first flow channel. When the lifting block moves downward, the lifting block drives the switching rod to move downward through the lifting rod. The bottom end of the switching rod pushes the second plug to move to block the third flow channel, and the first elastic reset member drives the first plug to move out of the second flow channel. At this time, the distilled water in the second flow channel flows into the first flow channel.
[0021] Preferably, a plurality of nozzles are provided on the cleaning table inside the cleaning chamber.
[0022] By adopting the above technical solution, after the culture dish is cleaned with detergent, distilled water is sprayed out from the nozzle, so that the detergent on the culture dish can be cleaned.
[0023] In summary, the present application includes at least one of the following beneficial technical effects:
[0024] 1. By using the connecting ring, when cleaning the dish body, the first annular arc surface and the second annular arc surface make there be no sharp edges inside the dish body, so that there is no area that is not easy to clean inside the dish body. The included angles between the connecting ring and the bottom plate and between the connecting ring and the top ring are 135°, which is convenient for cleaning the first annular arc surface and the second annular arc surface of the dish body, so as to facilitate thorough cleaning of the culture dish;
[0025] 2. With the help of the cleaning device, the used culture dish is placed on the placement plate, the grabbing mechanism is moved to grab and move the culture dish into the cleaning chamber. The first driving member drives the nozzle to rotate through the transmission shaft, the nozzle drives the brush bristles to rotate through the brush head, the detergent enters the first spray hole through the first flow channel and then sprays out from the second spray hole, and the brush bristles clean the culture dish during rotation;
[0026] 3. Through the swinging mechanism, the roller rolls on the wave ring when the brush head rotates, and the roller drives the lifting column to reciprocate up and down. When the lifting column moves upward, the third elastic member pulls the pull rope to move forward, and the pull rope drives the brush bristles to swing in one direction through the rotating block. When the lifting column moves downward, the fourth elastic member pulls the pull rope to move backward through the lifting column, and the pull rope drives the brush bristles to swing in the other direction through the rotating block, so that the brush bristles can swing reciprocally when the brush head rotates, thereby being able to clean the culture dish more thoroughly. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] Figure 1 It is a schematic diagram of the overall structure of the microbial culture vessel in Embodiment 1 of the present application;
[0028] Figure 2 It is a partial structural sectional view of the microbial culture vessel in Embodiment 1 of the present application;
[0029] Figure 3 It is a schematic diagram of the overall structure of the cleaning device in Embodiment 2 of the present application;
[0030] Figure 4 It is a sectional view of the overall structure of the cleaning device in Embodiment 2 of the present application;
[0031] Figure 5 It is a partial structural schematic diagram of the cleaning device in Embodiment 2 of the present application highlighting the transmission shaft;
[0032] Figure 6 It is a partial structural cross-sectional view of the cleaning device in Embodiment 2 of the present application;
[0033] Figure 7 It is a partial structural schematic diagram of the cleaning device in Embodiment 2 of the present application for prominently showing the shaking mechanism;
[0034] Figure 8 It is a top-down cross-sectional view of the cleaning device in Embodiment 2 of the present application for prominently showing the positional relationship between the brush head and the dish body;
[0035] Figure 9 For the present application Figure 6 The enlarged schematic diagram at position A;
[0036] Figure 10 It is a partial structural cross-sectional view of the cleaning device in Embodiment 2 of the present application for prominently showing the switching mechanism;
[0037] Figure 11 For the present application Figure 10 The enlarged schematic diagram at position B.
[0038] Reference numerals: 1, dish body; 101, bottom plate; 102, connecting ring; 103, top ring; 2, dish cover; 3, first annular arc surface; 4, second annular arc surface; 5, cleaning table; 6, cleaning cavity; 7, drying and disinfection cavity; 8, placing plate; 9, moving and grasping mechanism; 91, X-axis moving part; 92, Y-axis moving part; 93, moving plate; 94, suction nozzle; 10, first driving part; 11, transmission shaft; 12, spray head; 13, brush head; 14, first flow channel; 15, first spray hole; 16, second spray hole; 17, bristles; 18, swinging mechanism; 181, wave ring; 182, roller; 183, lifting column; 184, third elastic part; 185, pull rope; 186, fourth elastic part; 187, first mounting plate; 188, second mounting plate; 19, shaking mechanism; 191, second driving part; 192, turntable; 193, shaking frame; 194, connecting plate; 195, guiding plate; 196, shaking plate; 20, support rod; 21, lifting block; 22, positioning plate; 23, first guiding column; 24, second guiding column; 25, first elastic part; 26, retaining ring; 27, limiting block; 28, second elastic part; 29, switching mechanism; 291, joint; 292, lifting rod; 293, switching rod; 294, first blocking block; 295, second blocking block; 296, first elastic reset part; 297, second elastic reset part; 30, rotating block; 31, second flow channel; 32, third flow channel; 33, lifting groove; 34, nozzle; 35, positioning block; 36, guiding block; 37, first rotating ring; 38, slider; 39, sliding groove; 40, first annular groove; 41, second annular groove; 42, distilled water pipe; 43, detergent pipe; 44, placing cavity; 45, feeding door; 46, discharging door; 47, external thread; 48, second rotating ring; 49, connecting rod; 50, connecting ring; 51, placing rack. Detailed implementation mode
[0039] The following further elaborates on this application in conjunction with the attached Figures 1 - 11 drawings.
[0040] Embodiment 1:
[0041] The embodiment of this application discloses a microbial culture vessel.
[0042] Referring to Figure 1 and Figure 2 , a microbial culture vessel includes a dish body 1 and a dish cover 2, and the dish cover 2 covers the dish body 1. The dish body 1 includes a bottom plate 101, a connecting ring 102 and a top ring 103. The bottom plate 101 is circular, the connecting ring 102 is integrally formed on the outer peripheral side of the top wall of the bottom plate 101, and the top ring 103 is coaxially and integrally formed on the top wall of the connecting ring 102.
[0043] The included angle at the connection between the bottom plate 101 and the connection ring 102 and on the inner side close to the dish body 1 is 135°, and a first annular arc surface 3 is formed at the connection between the bottom plate 101 and the connection ring 102. The included angle at the connection between the top ring 103 and the connection ring 102 and on the inner side close to the dish body 1 is 135°, and a second annular arc surface 4 is formed at the connection between the top ring 103 and the connection ring 102.
[0044] The implementation principle of the microbial culture dish in the embodiment of the present application is as follows: When cleaning the dish body 1, the first annular arc surface 3 and the second annular arc surface 4 make there be no edges inside the dish body 1, so that there is no area that is not easy to clean inside the dish body 1. The included angles between the connection ring 102 and the bottom plate 101 and between the connection ring 102 and the top ring 103 are 135°, which is convenient for cleaning the first annular arc surface 3 and the second annular arc surface 4 of the dish body 1, thereby facilitating thorough cleaning of the culture dish.
[0045] Embodiment 2:
[0046] The embodiment of the present application discloses a cleaning device for a microbial culture dish.
[0047] Refer to Figure 3 and Figure 4 , a cleaning device for a microbial culture dish, used for cleaning a microbial culture dish, including a cleaning table 5. Inside the cleaning table 5, a placement cavity 44, a cleaning cavity 6, and a drying and disinfection cavity 7 are formed in sequence from right to left. A placement plate 8 is fixedly installed in the cleaning table 5 within the placement cavity 44, and a plurality of positioning blocks 35 are fixedly installed on the top wall of the placement plate 8. Feed doors 45 and discharge doors 46 are rotatably installed at both ends of the cleaning table 5. Open the feed door 45, and place the culture dish with the opening facing down on the positioning blocks 35 of the placement plate 8. A moving and grasping mechanism 9 is installed inside the cleaning table 5. The moving and grasping mechanism 9 can grasp the culture dish on the placement plate 8 and transport the culture dish into the cleaning cavity 6 or the drying and disinfection cavity 7.
[0048] The moving and grasping mechanism 9 includes an X-axis moving part 91, a Y-axis moving part 92, a moving plate 93, and nine suction nozzles 94. The X-axis moving part 91 is fixedly installed inside the top wall of the cleaning table 5, the Y-axis moving part 92 is fixedly installed on the moving end of the X-axis moving part 91, the moving plate 93 is fixedly installed on the moving end of the Y-axis moving part 92, a shaking mechanism 19 is installed inside the moving plate 93, and the nine suction nozzles 94 are installed at the bottom of the shaking mechanism 19. In the present application, the X-axis moving part 91 can be selected as a linear module, and the Y-axis moving part can be selected as a hydraulic cylinder.
[0049] The X-axis moving part 91 can drive the Y-axis moving part 92 to reciprocate horizontally, and the Y-axis moving part 92 can drive the moving plate 93 to reciprocate vertically, so as to drive the suction nozzle 94 to move freely in the X-Y direction. The suction nozzle 94 is connected to an external air suction device. When the suction nozzle 94 moves to the culture dish, the suction nozzle 94 sucks air and can adsorb and grasp the culture dish.
[0050] Referring to Figure 4 , Figure 5 and Figure 6 , a positioning plate 22 is fixedly installed at the bottom of the cleaning chamber 6 of the cleaning table 5. Nine first driving members 10 are fixedly installed in the positioning plate 22. The driving end of each first driving member 10 is fixedly installed with a transmission shaft 11. The transmission shaft 11 extends upward and passes through the positioning plate 22. A spray head 12 is fixedly installed on the top wall of the transmission shaft 11. A brush head 13 is slidably sleeved on the spray head 12 in the vertical direction. A chamfer is formed on the outer peripheral side of the top end of the brush head 13, and bristles 17 are installed on the top wall, chamfer and peripheral side wall of the brush head 13. In this application, the first driving member 10 can be selected as a servo motor.
[0051] The moving and grasping mechanism 9 grabs and conveys the culture dish on the placing plate 8 into the cleaning chamber 6. The moving and grasping mechanism 9 drives the culture dish to move downward in the cleaning chamber 6, so that the brush head 13 enters the culture dish. At this time, the chamfer of the brush head 13 corresponds to the connecting ring 102 of the dish body 1. The first driving member 10 drives the transmission shaft 11 to rotate. The transmission shaft 11 drives the brush head 13 to rotate through the spray head 12, and the brush head 13 drives the bristles 17 to rotate, so as to clean the culture dish.
[0052] Referring to Figure 4 and Figure 7 , specifically, the shaking mechanism 19 includes a second driving member 191, a turntable 192, a shaking frame 193, a connecting plate 194, a guide plate 195 and a shaking plate 196. The second driving member 191 is fixedly installed on the top wall of the moving plate 93. The turntable 192 is eccentrically fixedly installed on the driving end of the second driving member 191 and is located on the bottom wall of the moving plate 93. The shaking frame 193 is sleeved on the turntable 192 and is slidably installed on the bottom wall of the moving plate 93. The connecting plate 194 is fixedly installed in the middle of the outer side wall of the shaking frame 193. Two guide blocks 36 are fixedly installed on the bottom wall of the moving plate 93. The guide plate 195 is slidably installed in the two guide blocks 36 along the direction perpendicular to the connecting plate 194, and the connecting plate 194 slides through the guide plate 195 along its own length direction.
[0053] Referring to Figure 7 and Figure 8, the rocking plate 196 is fixedly installed at the end of the connecting plate 194 away from the rocking frame 193 and slidably installed on the bottom wall of the moving plate 93. Nine support rods 20 are fixedly installed on the bottom wall of the rocking plate 196, and nine suction nozzles 94 are fixedly installed at the bottom ends of the nine support rods 20. In this application, the second driving member 191 can be selected as a servo motor. When cleaning the petri dish, the second driving member 191 drives the turntable 192 to rotate eccentrically, the turntable 192 drives the rocking frame 193 to move along a circular movement track. Under the guiding action of the guiding plate 195, the rocking frame 193 drives the rocking plate 196 to move synchronously through the connecting plate 194, and the rocking plate 196 drives the petri dish to rock and move along a circular track through the support rods 20 and the suction nozzles 94, and the center of the circular track is located at the axis of the nozzle 12, so that the petri dish can be cleaned more thoroughly.
[0054] Refer to Figure 5 and Figure 6 , an external thread 47 is formed in the upper middle part of the transmission shaft 11. A lifting block 21 is slidably installed on the transmission shaft 11 along its own axis, and the lifting block 21 is threadedly installed on the transmission shaft 11. On the positioning plate 22, first guiding columns 23 are fixedly installed on both sides of each transmission shaft 11, and the top ends of the first guiding columns 23 pass through the lifting block 21. A limiting block 27 is fixedly installed below the lifting block 21 on the first guiding column 23, and a second elastic member 28 is sleeved on the first guiding column 23, and the second elastic member 28 is located on the limiting block 27. In this application, the second elastic member 28 can be selected as a spring.
[0055] Refer to Figure 9 , a first rotating ring 37 is rotatably installed on the top wall of the lifting block 21. A plurality of second guiding columns 24 are fixedly installed on the top wall of the first rotating ring 37, and the top ends of the second guiding columns 24 are slidably installed at the bottom of the brush head 13. A first elastic member 25 is sleeved on the second guiding column 24, and both ends of the first elastic member 25 are respectively connected to the bottom wall of the brush head 13 and the top wall of the first rotating ring 37. In this application, the first elastic member 25 can be selected as a spring. An outer peripheral side of the top wall of the nozzle 12 extends outward to form a retaining ring 26, and the top wall of the brush head 13 moves to abut against the bottom wall of the retaining ring 26. Sliders 38 are fixedly installed on the outer side walls of the transmission shaft 11 and the nozzle 12 along their own axes, and sliding grooves 39 are formed on the inner side wall of the brush head 13, and the sliders 38 are slidably installed in the sliding grooves 39.
[0056] Refer to Figure 6 , Figure 9 and Figure 10, a first flow channel 14 is installed inside the transmission shaft 11. A plurality of first spray holes 15 are evenly arranged along the radial and circumferential directions of the nozzle 12 itself. The first spray holes 15 communicate with the first flow channel 14. A plurality of second spray holes 16 are evenly arranged along the radial and circumferential directions of the brush head 13 itself. The second spray holes 16 communicate with the first spray holes 15. A switching mechanism 29 is installed inside the transmission shaft 11, and the switching mechanism 29 can switch to provide detergent and distilled water inside the first flow channel 14.
[0057] When the first driving member 10 drives the transmission shaft 11 to rotate forward, the transmission shaft 11 drives the lifting block 21 to move upward through the external thread 47. The first guiding column 23 guides the movement of the lifting block 21. When the lifting block 21 disengages from the external thread 47 of the transmission shaft 11, the lifting block 21 moves to the top of the transmission shaft 11. During the upward movement of the lifting block 21, the first elastic member 25 is squeezed through the first rotating ring 37. The first elastic member 25 drives the brush head 13 to move upward, so that the top of the brush head 13 abuts tightly against the retaining ring 26, thereby aligning the first spray holes 15 with the second spray holes 16. And when the lifting block 21 moves upward, the switching mechanism 29 switches the detergent to enter the first flow channel 14. The detergent is sprayed out from the second spray holes 16 through the first spray holes 15, so as to facilitate the brushing of the culture dish by the bristles 17.
[0058] When the first driving member 10 drives the transmission shaft 11 to rotate reversely, the transmission shaft 11 drives the lifting block 21 to move downward through the external thread 47. When the lifting block 21 disengages from the external thread 47 of the transmission shaft 11, the lifting block 21 moves to the middle of the transmission shaft 11 and abuts against two second elastic members 28. During the downward movement of the lifting block 21, the brush head 13 is pulled through the first rotating ring 37 and the first elastic member 25, so that the brush head 13 moves downward out of the culture dish. When the lifting block 21 moves downward, the switching mechanism 29 switches the distilled water to enter the first flow channel 14. The distilled water is sprayed out from the first spray holes 15, so as to rinse the detergent on the culture dish.
[0059] Refer to Figure 5 and Figure 9 , a swinging mechanism 18 is installed on the brush head 13, including a wave ring 181, a plurality of rollers 182, a lifting column 183, a third elastic member 184, a pull rope 185, a fourth elastic member 186, a first mounting plate 187 and a second mounting plate 188. The wave ring 181 is fixedly installed on the top wall of the lifting block 21, and the top wall of the wave ring 181 is wavy. The plurality of rollers 182, the lifting column 183, the third elastic member 184, the pull rope 185, the fourth elastic member 186, the first mounting plate 187 and the second mounting plate 188 are divided into multiple groups. Each group of structures is installed along the radial direction of the brush head 13, and multiple groups of structures are evenly arranged along the circumferential direction of the brush head 13.
[0060] The first mounting plate 187 is fixedly mounted on the inner side of the top wall of the brush head 13, and the third elastic member 184 is fixedly mounted on the side of the first mounting plate 187 away from the nozzle 12. The second mounting plate 188 is fixedly mounted at the bottom end of the outer side wall of the brush head 13, and the lifting column 183 is slidably mounted in the second mounting plate 188 along the axial direction of the brush head 13. The fourth elastic member 186 is sleeved on the lifting column 183, the top end of the fourth elastic member 186 is fixedly connected to the bottom wall of the second mounting plate 188, and the bottom end is fixedly connected to the bottom end of the lifting column 183.
[0061] One end of the pull rope 185 is fixedly connected to the top end of the lifting column 183, and the other end is connected to the end of the third elastic member 184 away from the first mounting plate 187. The roller 182 is rotatably mounted at the bottom end of the lifting column 183, and the roller 182 rolls on the top wall of the corrugated ring 181. In this application, both the third elastic member 184 and the fourth elastic member 186 can be selected as springs. A plurality of rotating blocks 30 are rotatably mounted on the brush head 13 with the direction perpendicular to its own diameter as the rotation axis, the bristles 17 are fixedly mounted on the rotating blocks 30, and the pull rope 185 is connected to the rotating blocks 30.
[0062] During the rotation of the brush head 13, the roller 182 is driven to roll on the corrugated ring 181. The roller 182 drives the lifting column 183 to reciprocate up and down. When the lifting column 183 moves upward, the third elastic member 184 pulls the pull rope 185 to move in the direction close to the nozzle 12. The pull rope 185 drives the bristles 17 to deflect in the direction close to the nozzle 12 through the rotating block 30. When the lifting column 183 moves downward, the fourth elastic member 186 pulls the pull rope 185 to move in the reverse direction through the lifting column 183. The pull rope 185 drives the bristles 17 to deflect in the direction away from the nozzle 12 through the rotating block 30. Thus, during the rotation of the brush head 13, the brush can swing reciprocally along the direction perpendicular to its own moving direction, so that the culture dish can be cleaned more cleanly and thoroughly.
[0063] A plurality of nozzles 34 are installed in the cleaning table 5 in the cleaning chamber 6, and the plurality of nozzles 34 point to the culture dish. After the culture dish is cleaned with detergent, distilled water is sprayed out from the nozzles 34, so that the detergent on the culture dish can be further rinsed.
[0064] Refer to Figure 10 and Figure 11, specifically, the switching mechanism 29 includes a joint 291, a lifting rod 292, a switching rod 293, a first blocking block 294, a second blocking block 295, a first elastic resetting member 296 and a second elastic resetting member 297. The joint 291 is fixedly installed on the positioning plate 22. The joint 291 is sleeved on the transmission shaft 11. A detergent pipe 43 and a distilled water pipe 42 are connected to the joint 291. A second flow channel 31 and a third flow channel 32 are installed in the transmission shaft 11. The tops of the second flow channel 31 and the third flow channel 32 converge and are communicated with the first flow channel 14. A first annular groove 40 communicated with the second flow channel 31 is formed on the transmission shaft 11. The first annular groove 40 is communicated with the distilled water pipe 42. A second annular groove 41 communicated with the third flow channel 32 is formed on the transmission shaft 11. The second annular groove 41 is communicated with the detergent pipe 43.
[0065] Refer to Figure 6 , a lifting groove 33 is axially formed in the transmission shaft 11 along its own axis. A second rotating ring 48 is rotatably installed on the bottom wall of the lifting block 21. A plurality of connecting rods 49 are fixedly installed on the bottom wall of the second rotating ring 48. The bottom ends of the plurality of connecting rods 49 are fixedly installed with a connecting ring 50. The connecting ring 50 is sleeved on the transmission shaft 11. The lifting rod 292 is fixedly installed in the connecting ring 50 and slidably installed in the lifting groove 33.
[0066] Refer to Figure 10 and Figure 11 , the switching rod 293 is fixedly installed in the middle of the lifting rod 292 along the direction perpendicular to the lifting rod 292. The first blocking block 294 is slidably installed in the transmission shaft 11 along the diameter direction of the transmission shaft 11. The first blocking block 294 is located above the switching rod 293. One end of the first blocking block 294 is slidably installed in the second flow channel 31. The other ends of the first blocking block 294 and the top end of the lifting rod 292 are both wedge-shaped. The first elastic resetting member 296 is installed in the transmission shaft 11 and connected to the first blocking block 294. In this application, the first elastic resetting member 296 can be selected as a spring. When the switching rod 293 moves upward, the switching rod 293 pushes the first blocking block 294 to move by the wedge-shaped end portion, compresses the first elastic resetting member 296 and blocks the second flow channel 31. When the switching rod 293 moves downward, the first elastic resetting member 296 drives the first blocking block 294 to move and releases the blockage of the second flow channel 31.
[0067] The second blocking block 295 is slidably installed in the transmission shaft 11 along the diameter direction of the transmission shaft 11. The second blocking block 295 is located below the switching rod 293. One end of the second blocking block 295 is slidably installed in the third flow channel 32, and both the other end of the second blocking block 295 and the bottom end of the lifting rod 292 are provided in a wedge shape. The second elastic reset member 297 is installed in the transmission shaft 11 and connected to the second blocking block 295. In this application, the second elastic reset member 297 can be selected as a spring. When the switching rod 293 moves downward, the switching rod 293 pushes the second blocking block 295 to move through the wedge-shaped end portion, compresses the second elastic reset member 297, and blocks the third flow channel 32. When the switching rod 293 moves upward, the second elastic reset member 297 drives the second blocking block 295 to move and releases the blockage of the third flow channel 32.
[0068] Referring to Figure 4 , a storage rack 51 is fixedly installed in the drying and disinfecting device where the cleaning table 5 is located. A hot air blower and an ultraviolet disinfection lamp are installed in the drying and disinfecting device where the cleaning table 5 is located. After the culture dish is cleaned, the moving and grasping mechanism 9 transports the culture dish into the drying and disinfecting chamber 7. The suction nozzle 94 blows air and places the culture dish on the storage rack 51, and then the hot air blower and the ultraviolet disinfection lamp dry and disinfect the culture dish.
[0069] The implementation principle of Embodiment 2 is as follows: The culture dish is placed on the placement plate 8. The moving and grasping mechanism 9 sucks and grasps the culture dish on the placement plate 8 and transports the culture dish into the cleaning chamber 6. The first driving member 10 first drives the transmission shaft 11 to rotate forward. The transmission shaft 11 drives the lifting block 21 to move upward. The lifting block 21 opens the third channel through the switching mechanism 29, so that the detergent is sprayed out from the second spray hole 16 of the brush head 13. The transmission shaft 11 drives the brush head 13 to rotate, and the brush head 13 drives the bristles 17 to brush the culture dish. At the same time, during the rotation of the brush head 13, the swinging mechanism 18 drives the bristles 17 to swing reciprocally, so that the culture dish can be cleaned more thoroughly. The first driving member 10 then drives the transmission shaft 11 to rotate reversely. The transmission shaft 11 drives the lifting block 21 to move downward. The lifting block 21 drives the brush head 13 to move downward. The lifting block 21 then opens the second channel through the switching mechanism 29, so that the distilled water is sprayed out from the first spray hole 15 of the nozzle 12, thereby cleaning the detergent on the culture dish. After the cleaning is completed, the moving and grasping mechanism 9 drives the culture dish to move into the drying and disinfecting chamber 7 again. The suction nozzle 94 blows air and places the culture dish on the storage rack 51, and then the hot air blower and the ultraviolet disinfection lamp dry and disinfect the culture dish.
[0070] The above are all the preferred embodiments of this application, and the protection scope of this application is not limited accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of this application should be covered within the protection scope of this application.
Claims
1. A microbial culture vessel cleaning device, characterized in that: The invention comprises a cleaning table (5), wherein a cleaning chamber (6) and a drying and disinfecting chamber (7) are formed in the cleaning table (5), wherein a placing plate (8) for placing a culture dish is arranged in the cleaning table (5), wherein a moving grabbing mechanism (9) for grabbing the culture dish and driving the culture dish to move in the cleaning chamber (6) and the drying and disinfecting chamber (7) is arranged in the cleaning table (5), wherein a plurality of first driving members (10) are arranged in the cleaning chamber (6), wherein a transmission shaft (11) is arranged on the first driving member (10), and a nozzle (12) is arranged at the top end of the transmission shaft (11), The spray head (12) is sleeved with a brush head (13); a first flow channel (14) is installed in the transmission shaft (11); a first spray hole (15) communicating with the first flow channel (14) is provided in the spray head (12); a second spray hole (16) communicating with the first spray hole (15) is provided in the brush head (13); bristles (17) are provided on the brush head (13); a swing mechanism (18) is provided on the brush head (13); when the brush head (13) rotates, the brush head (13) drives the bristles (17) to swing back and forth along a direction perpendicular to the brush head's own movement through the swing mechanism (18); A lifting block (21) is slidably arranged on the transmission shaft (11) along its own axial direction, an external thread (47) is formed on the upper half of the transmission shaft (11), and the lifting block (21) is threadedly sleeved on the transmission shaft (11). A positioning plate (22) is fixedly arranged in the cleaning table (5), the transmission shaft (11) passes through the positioning plate (22), and a plurality of first guide columns (23) are arranged on the positioning plate (22), and the first guide columns (23) pass through the lifting block (21). A second guide column (24) is slidably arranged on the top wall of the lifting block (21), and the top end of the second guide column (24) is slidably arranged on the bottom of the brush head (13), and a first elastic member (25) is sleeved on the second guide column (24), and both ends of the first elastic member (25) are The ends of the nozzle (12) respectively abut against the brush head (13) and the lifting block (21); a retaining ring (26) is arranged at the top end of the nozzle (12); the bottom wall of the retaining ring (26) abuts against the top wall of the brush head (13); a limiting block (27) is fixedly arranged below the external thread (47) on the first guide column (23); the limiting block (27) is provided with a second elastic member (28); a switching mechanism (29) is arranged inside the transmission shaft (11); when the transmission shaft (11) rotates forward, the transmission shaft (11) drives the lifting block (21) to move upward, and the switching mechanism (29) switches the first flow channel (14) to provide detergent; when the transmission shaft (11) rotates reversely, the transmission shaft (11) drives the lifting block (21) to move downward, and the switching mechanism (29) switches the first flow channel (14) to provide distilled water; The rocking mechanism (18) comprises a wave ring (181), a roller (182), a lifting column (183), a third elastic member (184), a pull rope (185), a fourth elastic member (186), a first mounting plate (187) and a second mounting plate (188), wherein the first mounting plate (187) is fixedly arranged on the top wall of the brush head (13), the third elastic member (184) is arranged on the first mounting plate (187), the second mounting plate (188) is fixedly arranged on the bottom of the side wall of the brush head (13), the lifting column (183) slides through the second mounting plate (188), and the two ends of the pull rope (185) are respectively connected to the first mounting plate (187) and the second mounting plate (188). A third elastic member (184) and a lifting column (183), a rotating block (30) is rotatably arranged on the brush head (13), the bristles (17) are fixedly arranged on the rotating block (30), the fourth elastic member (186) is arranged on the bottom wall of the second mounting plate (188) and connects the bottom wall of the second mounting plate (188) and the bottom end of the lifting column (183), the roller (182) is arranged at the bottom end of the lifting column (183), the wave ring (181) is fixedly arranged on the top wall of the lifting block (21), the top wall of the wave ring (181) is wavy, and the roller (182) is rollingly arranged on the top wall of the wave ring (181); The switching mechanism (29) comprises a joint (291), a lifting rod (292), a switching rod (293), a first blocking block (294), a second blocking block (295), a first elastic reset member (296) and a second elastic reset member (297); the joint (291) is fixedly arranged on the positioning plate (22) and sleeved on the transmission shaft (11); a second flow channel (31) and a third flow channel (32) are installed in the transmission shaft (11); one end of the second flow channel (31) and the third flow channel (32) are connected to the first flow channel (14), and the other end is connected to the joint (291); a lifting groove (33) is opened in the transmission shaft (11) along its own axial direction; The lifting rod (292) is fixedly arranged on the bottom wall of the lifting block (21) and is located in the lifting groove (33); the switching rod (293) is fixedly arranged in the middle of the lifting rod (292); the first blocking block (294) slides through the second flow channel (31); the first elastic return member (296) is arranged in the transmission shaft (11) and abuts against the first blocking block (294); the second blocking block (295) slides through the third flow channel (32); the second elastic return member (297) is arranged in the transmission shaft (11) and abuts against the second blocking block (295); the first blocking block (294) and the second blocking block (295) are located on the upper and lower sides of the switching rod (293).
2. A microorganism culture vessel cleaning device according to claim 1, characterized in that: The movable grasping mechanism (9) comprises an X-axis movable part (91), a Y-axis movable part (92), a movable plate (93) and a plurality of suction nozzles (94); the X-axis movable part (91) is arranged in the cleaning table (5); the Y-axis movable part (92) is arranged at the horizontal movable end of the X-axis movable part (91); the movable plate (93) is arranged at the vertical movable end of the Y-axis movable part (92); the plurality of suction nozzles (94) are arranged on the bottom wall of the movable plate (93); and the plurality of brush heads (13) are respectively located below the plurality of suction nozzles (94).
3. A microorganism culture vessel cleaning device according to claim 2, characterized in that: A shaking mechanism (19) is arranged in the movable plate (93), and the shaking mechanism (19) comprises a second driving member (191), a rotating disk (192), a shaking frame (193), a connecting plate (194), a guide plate (195) and a shaking plate (196); the second driving member (191) is arranged in the movable plate (93); the rotating disk (192) is eccentrically arranged at the driving end of the second driving member (191); the shaking frame (193) is sleeved on the rotating disk (192) and slidably arranged on the movable plate (93); The connecting plate (194) is fixedly arranged on the side wall of the shaking frame (193), the shaking plate (196) is fixedly arranged on one end of the connecting plate (194) away from the shaking frame (193), the guide plate (195) is slidably arranged on the movable plate (93) along a direction perpendicular to the connecting plate (194), the connecting plate (194) slides through the guide plate (195), a plurality of support rods (20) are fixedly arranged on the bottom wall of the shaking plate (196), and a plurality of the suction nozzles (94) are arranged at the bottom ends of the plurality of support rods (20).
4. A microorganism culture vessel cleaning device according to claim 1, characterized in that: The cleaning table (5) is located in the cleaning chamber (6) and is provided with a plurality of nozzles (34).
Citation Information
Patent Citations
Improved culture dish
CN107118948A
Biological culture dish cleaning equipment used in laboratory and cleaning method
CN118437722A
Electric toilet bowl brush
CN205671980U