CN112224636A

CN112224636A - Prevent empting formula biological test box

Info

Publication number: CN112224636A
Application number: CN202011097593.XA
Authority: CN
Inventors: 高云鹏; 彭莉珊; 程忆琴
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-10-16
Filing date: 2018-10-16
Publication date: 2021-01-15
Anticipated expiration: 2038-10-16
Also published as: CN112224636B; CN112224635B; CN109331892A; CN112224635A; CN109331892B

Abstract

The invention belongs to the field of glass containers, and particularly relates to an anti-toppling biological test box which comprises a base mechanism and culture dish mechanisms, wherein the base mechanism is placed on a bottom plate of a constant temperature box, and a plurality of culture dish mechanisms are mutually overlapped, matched and stacked on the base mechanism; according to the invention, the base and the culture dish stacked together are dumped together when shaking, so that the phenomenon of scattering of the culture dish is avoided, and the damage of the glass container caused by scattering and collision is avoided; in the transportation process, the culture dishes are stacked together, so that the space of the incubator is saved to a certain extent, and the possibility of increasing the transportation number of the culture dishes is provided; meanwhile, due to the sealing effect of the sealing cover, the culture solution cannot be spilled out when the culture dish overturns, so that unnecessary loss and waste are avoided; because the existence of three gear mechanism for base mechanism and culture dish mechanism just can take place the auto-lock when rocking a little, play the effect of protection to the culture dish as early as possible.

Description

Prevent empting formula biological test box

Technical Field

The invention belongs to the field of glass containers, and particularly relates to an anti-dumping biological test box.

Background

The current traditional culture dish is a laboratory vessel used for culturing microorganisms or cells, consists of a plane disc-shaped bottom and a cover, and is generally made of glass or plastic; when the culture dish needs to be transferred in use, the culture dish is placed in a constant temperature box for stable transportation; on the one hand, the culture dishes are flatly laid on the bottom plate of the incubator one by one, which occupies excessive space, thereby influencing the number of the culture dishes to be transferred; on the other hand, ordinary culture dish is at the in-process of transportation, if rock by a wide margin appears, liquid in the culture dish spills out easily to make the culture solution in the culture dish scrap, bring unnecessary trouble for the staff, increase staff's work load, and then increase relevant experimental cost.

The invention designs an anti-toppling biological test box to solve the problems.

Disclosure of Invention

In order to solve the defects in the prior art, the invention discloses an anti-dumping biological test box which is realized by adopting the following technical scheme.

The utility model provides an anti-toppling biological test box which characterized in that: the incubator comprises a base mechanism and culture dish mechanisms, wherein the base mechanism is placed on a bottom plate of the incubator, and a plurality of culture dish mechanisms are mutually overlapped and matched to be stacked on the base mechanism.

The base mechanism comprises a base, a hexagonal groove, a trapezoidal sliding groove, a first hexagonal hole, a first circular groove, a first sealing circular block, a first positioning groove, a second hexagonal hole, a first positioning circular block, a first sliding groove, a third hexagonal hole, a first sliding hole, a second sliding groove, a second circular groove, a first sliding block, a first circular hole, a first limiting inclined plane, a first limiting block, a first limiting spring, a second pressure spring plate, a first square hole, a first sliding rod, a hexagonal prism, a hexagonal tooth surface, a second reset spring, a first pressure spring plate, a fourth hexagonal hole, a gear mechanism, a rack, a trapezoidal sliding bar and a first reset spring, wherein the base is made of glass; the center of the lower end surface of the base is provided with a hexagonal groove; the side surface of the inner wall of the hexagonal groove is provided with three trapezoidal sliding grooves which are uniformly distributed in the circumferential direction; the three trapezoidal sliding chutes are parallel to the central axis of the base; a first hexagonal hole is formed in the center of the upper end face of the base and communicated with the hexagonal groove; a first circular groove is formed in the circumferential direction of the inner wall of the first hexagonal hole, and the central axis of the first circular groove is overlapped with the central axis of the first hexagonal hole; the first sealing round block is made of glass; a first positioning groove is formed in the center of the upper end face of the first sealing round block; a second hexagonal hole is formed in the center of the lower end face of the first sealing round block and communicated with the first positioning groove; the first sealing round block is arranged on the upper end surface of the base through the lower end surface of the first sealing round block, and the second hexagonal hole is in butt joint with the first hexagonal hole; the lower end face of the first sealing round block is bonded with the upper end face of the base through special glue; a first sliding groove is formed in the first positioning round block; a third hexagonal hole is formed in the center of the lower end face of the first positioning round block and communicated with the first sliding groove; a first sliding hole is formed in the center of the upper end face of the first positioning round block and communicated with the first sliding groove; the outer circular surface of the first positioning round block is provided with a second chute which is communicated with the first chute; a second circular groove is formed in the circumferential direction of the inner wall of the second sliding groove; the lower end of the first positioning round block is embedded into the first positioning groove on the first sealing round block, and the third hexagonal hole is in butt joint with the second hexagonal hole.

A first through round hole is formed between the upper end surface and the lower end surface of the first sliding block; a first limit inclined plane is arranged on one side end face of the first sliding block; the first sliding block is arranged in the first sliding groove in a sliding fit manner through the side end face of the first sliding block and the inner wall of the first sliding groove; the first limiting block is arranged in the second sliding groove; a first square hole is formed in the end face of the second compression spring plate; the second compression spring plate is positioned at one end, close to the first sliding groove, in the second circular groove; the second compression spring plate is nested on the first limiting block in a sliding fit mode through the first square hole and the side end face of the first limiting block; the first limiting spring is nested at the outer side of the first limiting block; one end of the first limiting spring is connected with the inner wall of the second circular groove, and the other end of the first limiting spring is connected with the second compression spring plate; one end of the first limiting block, which is positioned in the first sliding groove, is matched with the first limiting inclined plane on the first sliding block; one end of the first sliding rod is inserted into the first sliding hole from top to bottom, and the first sliding rod penetrates through a first round hole in the first sliding block; the first sliding rod is fixedly connected with the first sliding block; the lower end of the hexagonal prism is provided with a hexagonal tooth surface; the upper end of the hexagonal prism is inserted into the first hexagonal hole, the second hexagonal hole and the third hexagonal hole from bottom to top in sequence and is fixedly connected with the first sliding rod; a fourth hexagonal hole is formed in the center of the end face of the first compression spring plate; the first compression spring plate is embedded into the first circular groove and is positioned at the lower end of the first circular groove; the first compression spring plate is nested on the hexagonal prism in a sliding fit mode with the outer side of the hexagonal prism through the fourth hexagonal prism hole; the first compression spring plate is fixedly connected with the hexagonal prism; the second return spring is positioned in the first circular groove and nested outside the hexagonal prism; one end of the second return spring is connected with the first pressure spring plate, and the other end of the second return spring is connected with the inner wall of the first circular groove; a trapezoidal sliding strip is arranged on one side end face of the rack; the three racks are uniformly arranged on the inner wall of the hexagonal groove in the circumferential direction through the sliding fit of the trapezoidal sliding strip and the trapezoidal sliding groove; the upper end of each rack is provided with a first return spring; one end of each first return spring is connected with the corresponding rack, and the other end of each first return spring is connected with the upper end face of the inner wall of the hexagonal groove; the three gear mechanisms are circumferentially and uniformly arranged on the upper end surface of the inner wall of the hexagonal groove; the three gear mechanisms are matched with hexagonal tooth surfaces on the hexagonal prism at the same time; each gear mechanism is engaged with a respective rack.

The first positioning round block is matched with the culture dish mechanism; the first sealing round block is matched with the culture dish mechanism; the first limiting block is matched with the culture dish mechanism; the first slide bar is matched with the culture dish mechanism.

The gear mechanism comprises a positioning plate, a first shaft hole, a second shaft hole, a third shaft hole, a fourth shaft hole, a first pin shaft, a second pin shaft, a third pin shaft, a fourth pin shaft, a first gear, a second gear, a third gear, a fourth gear, a fifth gear and a one-way ring, wherein the positioning plate is transversely provided with the first shaft hole, the second shaft hole, the third shaft hole and the fourth shaft hole in sequence; the positioning plate is arranged on the upper end surface of the hexagonal groove through the upper end surface of the positioning plate; the positioning plate and the base are bonded through special glue; the first gear is arranged on the positioning plate in a matched mode through a bearing between the first pin shaft and the first shaft hole, and the first gear is matched with a hexagonal tooth surface on the hexagonal prism; the first gear is in key fit with the first pin shaft; the second gear is matched and arranged on the positioning plate through a bearing between the second pin shaft and the second shaft hole, and the second gear is meshed with the first gear; the second gear is in key fit with the second pin shaft; the third gear is arranged on the positioning plate in a matched manner through a bearing between the third pin shaft and the third shaft hole, and the third gear is meshed with the second gear; the third gear is in key fit with the third pin shaft; the fourth gear and the one-way ring are arranged on the positioning plate in a matched mode through a bearing between the fourth pin shaft and the fourth shaft hole, and the fourth gear and the one-way ring are respectively positioned at two ends of the fourth pin shaft; the fourth gear is in key fit with the fourth pin shaft; the one-way ring is in key fit with the fourth pin shaft; the fourth gear is meshed with the third gear; the fifth gear is nested on the outer circular surface of the unidirectional ring through the inner circular surface of the fifth gear; the fifth gear is meshed with the corresponding rack.

The culture dish mechanism comprises a culture dish, a storage groove, a second round hole, a sealing cover, a threaded hole, a center block, a third round groove, a second sliding hole, a lining ring, a limiting ring groove, a second sealing round block, a second positioning groove, a third sliding hole, a second positioning round block, a third sliding groove, a fourth sliding hole, a fourth sliding groove, a fourth round groove, a second limiting block, a second limiting spring, a third compression spring plate, a second square hole, a second sliding rod, a second sliding block, a third round hole, a second limiting inclined plane and a third return spring, wherein the storage groove is formed in the upper end surface of the culture dish; a second round hole is formed in the center of the lower end face of the culture dish and communicated with the storage tank; a third circular groove is formed in the center of the lower end face of the central block; a second sliding hole is formed in the center of the upper end face of the central block and communicated with the third circular groove; the central block is arranged in a storage tank of a culture dish through the lower end surface of the central block; the notch of the third circular groove is butted with the second circular hole; the central block and the culture dish are bonded by special glue; the inner circle surface of the lining ring is circumferentially provided with a limit ring groove; the lining ring is embedded into the third circular groove; the outer circular surface of the second sealing circular block is provided with threads; a second positioning groove is formed in the center of the upper end face of the second sealing round block; a third sliding hole is formed in the center of the lower end face of the second sealing round block and communicated with the second positioning groove; the second sealing round block is arranged on the upper end surface of the central block through the lower end surface of the second sealing round block, and the third sliding hole is in butt joint with the second sliding hole; the second sealing round block is bonded with the central block through special glue; a third sliding chute is arranged in the second positioning round block; a through fourth sliding hole is formed between the upper end surface and the lower end surface of the second positioning round block, and the fourth sliding hole penetrates through the third sliding groove; a fourth chute is arranged on the outer circular surface of the second positioning round block and communicated with the third chute; a fourth circular groove is formed in the circumferential direction of the inner wall of the fourth sliding groove; the lower end of the second positioning round block is inserted into a second positioning groove on the second sealing round block, and the fourth sliding hole is in butt joint with the third sliding hole; the center of the end surface of the sealing cover is provided with a threaded hole; the sealing cover is arranged on the upper end surface of the culture dish through the threaded hole and the threaded fit of the outer circular surface of the second sealing round block.

A third through round hole is formed between the upper end surface and the lower end surface of the second sliding block; a second limiting inclined plane is arranged on one side end face of the second sliding block; the second sliding block is arranged in the third sliding groove in a sliding fit manner through the side end face of the second sliding block and the inner wall of the third sliding groove; the second limiting block is arranged in the fourth sliding groove; a second square hole is formed in the end face of the third pressure spring plate; the third compression spring plate is positioned at one end, close to the third sliding chute, in the fourth circular chute; the third compression spring plate is nested on the second limiting block in a sliding fit mode through a second square hole and the side end face of the second limiting block; the second limiting spring is nested at the outer side of the second limiting block; one end of the second limiting spring is connected with the inner wall of the fourth circular groove, and the other end of the second limiting spring is connected with the third compression spring plate; one end of the second limiting block, which is positioned in the third sliding groove, is matched with a second limiting inclined plane on the second sliding block; one end of the second sliding rod sequentially penetrates through the second sliding hole, the third sliding hole and the fourth sliding hole from bottom to top, and the second sliding rod penetrates through a third round hole in the second sliding block; the second sliding rod is fixedly connected with the second sliding block; the third return spring is positioned in the third sliding groove and is nested on the second sliding rod; one end of the third reset spring is connected with the lower end face of the second sliding block, and the other end of the third reset spring is connected with the inner wall of the third sliding groove.

Between the base mechanism and the culture dish mechanism, a first positioning round block in the base mechanism is embedded into a lining ring in the culture dish mechanism arranged on the base mechanism, and the upper end surface of the first positioning round block is in contact fit with the upper end surface of the third circular groove; the first sliding rod is in contact fit with the second sliding rod; a first limiting block in the base mechanism is matched with a limiting ring groove in a lining ring in a culture dish mechanism arranged on the first limiting block; a first sealing round block in the base mechanism is embedded into a second round hole in the culture dish and a third round groove in the center block, and the upper end face of the first sealing round block is in contact fit with the lower end face of the lining ring; a first limiting block in the base mechanism is matched with a limiting ring groove on the lining ring.

Between the culture dish mechanisms, a second positioning round block in the culture dish mechanism positioned below is embedded into a lining ring in the culture dish mechanism positioned above; the upper end surface of a second positioning round block in the lower culture dish mechanism is in contact fit with the upper end surface of a third round groove in the upper culture dish mechanism; a second slide bar in the lower culture dish mechanism is in contact fit with a second slide bar in the upper culture dish mechanism; the second limiting block in the lower culture dish mechanism is matched with the limiting ring groove in the upper culture dish mechanism; the second sealing round block in the lower culture dish mechanism is embedded into the second round hole and the third round groove in the upper culture dish mechanism, and the upper end surface of the first sealing round block in the lower culture dish mechanism is in contact fit with the lower end surface of the liner ring in the upper culture dish mechanism; the upper end surface of the sealing cover in the lower culture dish mechanism is in contact fit with the lower end surface of the culture dish in the upper culture dish mechanism.

As a further improvement of the present technology, the elastic modulus of the first return spring is larger than the elastic modulus of the second return spring.

As a further improvement of the present technology, the material of the first positioning round block is plastic.

As a further improvement of the present technology, the second positioning round block is made of plastic.

The first positioning round block and the second positioning round block are made of plastic, the plastic is easy to process, a plurality of transmission structures are easy to install in the first positioning round block and the second positioning round block, and meanwhile, the selected plastic needs to ensure that no reaction is generated between the selected plastic and a culture dish, and the normal culture of the culture dish is not influenced; if all the recognized plastics are not suitable for a certain culture experiment, the first positioning round block and the second positioning round block can also be made of suitable materials.

In a further improvement of the present technology, the material of the liner ring is rubber.

As a further improvement of the present technology, the first return spring is a compression spring.

As a further improvement of the present technology, the second return spring is an extension spring.

As a further improvement of the present technology, the first limit spring and the second limit spring are both compression springs.

As a further improvement of the present technology, the third return spring is a compression spring.

As a further improvement of the present technology, the first return spring is in a compressed state when the base is placed on a flat surface.

When the base mechanism is horizontally placed on a laboratory table top, the plurality of culture dish mechanisms are overlapped on the base mechanism together, a first limiting block in the base mechanism is positioned in a second sliding groove and does not limit a liner ring matched with the first limiting block, a first limiting spring is not compressed, a first sliding block is positioned above the first limiting block, and the upper end surface of the first sliding rod is in contact with the lower end surface of a second sliding rod in the culture dish mechanism above; the second limiting block in the culture dish mechanism is positioned in the fourth sliding groove and does not limit the bushing ring matched with the fourth sliding groove, the second limiting spring is not compressed, the second sliding block is positioned above the second limiting block, the upper end face of the second sliding rod is in contact with the lower end face of the second sliding rod in the culture dish mechanism above, and the third reset spring is stretched.

The sealing cover has the advantages that the sealing cover is matched with the threads of the second sealing round block, so that the space in the culture dish is sealed, and the culture solution in the culture dish is prevented from spilling out in the transportation process.

The gear mechanism is designed to ensure that when the culture dishes stacked together are inclined towards one direction, the rack on the base which is firstly separated from the table top of the test bed moves downwards along the trapezoid sliding groove under the action of the corresponding first return spring; the rack drives the fourth gear to synchronously rotate through the fifth gear, the one-way ring and the fourth pin shaft; the fourth gear drives the hexagonal prism to move downwards through the third gear, the second gear and the first gear; the second return spring is stretched; the hexagonal prism drives the first sliding block to slide downwards along the first sliding groove through the driving of the first sliding rod; a first limiting inclined plane on the first sliding block acts on the first limiting block, so that the first limiting block slides outwards along the second sliding groove and enters the corresponding limiting ring groove, and the first limiting spring is compressed; at the same time, the first slide bar in the base mechanism relieves the constraint on the second slide bar in the lowermost culture dish mechanism; under the action of the restoring force of the third return spring, the second sliding block drives the second sliding rod to slide downwards along the third sliding groove; a second limiting inclined plane on the second sliding block acts on the second limiting block, so that the second limiting block slides outwards along the fourth sliding groove and enters the corresponding limiting ring groove; the second limiting spring is compressed; the downward movement of the second slide bar in the lowermost culture dish mechanism frees the restriction on the second slide bar in the upper culture dish mechanism; under the action of the restoring force of the corresponding third return spring, the second slide block in the upper culture dish mechanism drives the corresponding second slide rod to slide downwards along the third slide groove; a second limiting inclined plane on a second sliding block in the upper culture dish mechanism acts on a corresponding second limiting block, so that the second limiting block slides outwards along the fourth sliding groove and enters a corresponding limiting ring groove; the corresponding second limiting spring is compressed; because the first limiting blocks and the plurality of second limiting blocks are clamped in the corresponding limiting ring grooves, the culture dish on the base mechanism cannot slide off the base; thereby avoiding the damage of the culture dish caused by collision when the culture dish is scattered; meanwhile, a plurality of culture dishes are stacked on the base in an overlapping mode, space is saved, and more culture dishes can be placed in the constant temperature box.

The three gear mechanisms are arranged on the upper end surface of the hexagonal groove and are uniformly distributed along the circumferential direction, so that when a plurality of culture dishes are stacked on the base for transportation, the culture dishes are likely to bump and shake; the three gear mechanisms are arranged on the upper end face of the hexagonal groove and are uniformly distributed along the circumferential direction, so that the first limiting block and the second limiting block can immediately enter the corresponding limiting ring grooves when the culture dishes are stacked together under the condition of small shaking, the culture dishes and the base are integrated into a whole, and the culture dishes are not scattered and collided after being poured; meanwhile, the sealing cover ensures that the culture solution in the culture dish cannot be spilled out, and unnecessary loss cannot be caused.

When a plurality of culture dishes are stacked on the base and shake in the process of being transported, a certain rack arranged on the base is separated from the placed bottom surface; under the action of the restoring force of the corresponding compressed first return spring, the rack slides downwards along the corresponding trapezoid sliding groove; the rack drives the fourth gear to rotate through the fifth gear, the one-way ring and the fourth pin shaft; the fourth gear drives the third gear, the second gear and the first gear to drive the hexagonal prism to slide downwards; the second return spring is stretched; the hexagonal prism drives the other two first gears to rotate; the other two first gears drive corresponding one-way rings to rotate through corresponding second gears, third gears, fourth gears and fourth pin shafts respectively; the rotation of the other two unidirectional rings cannot drive the corresponding fifth gears to rotate, and the other two racks cannot slide downwards; the hexagonal prism drives the first sliding block to slide downwards along the first sliding groove through the first sliding rod connected with the hexagonal prism; the first limiting inclined plane acts on the first limiting block, so that the first limiting block slides outwards along the second sliding groove and enters the corresponding limiting ring groove; the first limit spring is compressed; at the same time, the first slide bar in the base mechanism relieves the constraint on the second slide bar in the lowermost culture dish mechanism; under the action of the restoring force of the third return spring, the second sliding block drives the second sliding rod to slide downwards along the third sliding groove; a second limiting inclined plane on the second sliding block acts on the second limiting block, so that the second limiting block slides outwards along the fourth sliding groove and enters the corresponding limiting ring groove; the second limiting spring is compressed; the downward movement of the second slide bar in the lowermost culture dish mechanism frees the restriction on the second slide bar in the upper culture dish mechanism; under the action of the restoring force of the corresponding third return spring, the second slide block in the upper culture dish mechanism drives the corresponding second slide rod to slide downwards along the third slide groove; a second limiting inclined plane on a second sliding block in the upper culture dish mechanism acts on a corresponding second limiting block, so that the second limiting block slides outwards along the fourth sliding groove and enters a corresponding limiting ring groove; the corresponding second limiting spring is compressed; because the first limiting blocks and the plurality of second limiting blocks are clamped in the corresponding limiting ring grooves, the culture dish on the base mechanism cannot slide off the base; thereby avoiding the damage of the culture dish caused by collision when the culture dish is scattered; simultaneously, a plurality of culture dishes stack on the base superposedly, have saved the space, can place more culture dishes in the thermostated container, and more culture dishes can be shifted simultaneously, have improved the transfer efficiency of culture dish.

When the culture dishes stacked on the base are toppled over together due to shaking, the culture solution in the culture dishes cannot spill out due to the sealing effect of the sealing cover, so that loss is avoided; at the moment, the hexagonal prism slides downwards to the limit position under the action of the three first return springs, and the tooth surface of the hexagonal prism is separated from the three first gears; the second return spring is stretched to the maximum length; the three first return springs restore to the original state; the three racks extend out of the hexagonal grooves at the same time; the culture dish is held up by two hands and is vertically placed on the bottom surface of the incubator; under the action of gravity of a plurality of culture dishes, the three racks are simultaneously acted by the bottom surface and simultaneously contract towards the hexagonal grooves, and the three first return springs are simultaneously compressed; the three racks simultaneously drive the corresponding fifth gears to rotate; the three fifth gears cannot drive the corresponding one-way rings to rotate at the moment; the fifth gear is not limited to the one-way ring; the hexagonal prism slides upwards under the action of the restoring force of the second return spring; the hexagonal prism drives a first gear, a second gear, a third gear, a fourth gear and a one-way ring in the three gear mechanisms to rotate, and the rotation direction of the one-way ring is the same as that of the corresponding fifth gear; the hexagonal prism drives the first sliding block to slide upwards to an initial position through the first sliding rod; the first limiting inclined plane relieves the limitation on the first limiting block; the first limiting blocks slide out of the corresponding limiting ring grooves; the first limiting spring restores to the original state; the first slide bar pushes a second slide bar in the culture dish mechanism at the bottom to drive a second slide block to slide upwards; the third return spring is again stretched; the second limiting inclined plane on the second sliding block relieves the limitation on the second limiting block; the second limiting block slides out of the corresponding limiting ring groove; the second limiting spring restores to the original state; a second slide bar in the culture dish mechanism at the lowest pushes a second slide bar positioned above the second slide bar to move upwards; the second slide bar above drives the corresponding second slide block to move upwards; the upper second sliding block releases the limitation on the corresponding second limiting block; the second limiting block above slides out of the corresponding limiting ring groove; the corresponding second limiting spring is restored to the original state; after the culture dishes stacked on the base are vertically placed on the bottom surface of the incubator again, the first limiting blocks in the base mechanism and the second limiting blocks in all the culture dish mechanisms slide out of the corresponding limiting ring grooves and limit of the corresponding backing rings is removed.

Compared with the traditional culture dish, the base and the culture dish which are overlapped together are poured together when the culture dish shakes, so that the phenomenon of culture dish scattering is avoided, and the damage of the glass container caused by scattering and collision is avoided; in the transportation process, the culture dishes are stacked together, so that the space of the incubator is saved to a certain extent, and the possibility of increasing the transportation number of the culture dishes is provided; meanwhile, due to the sealing effect of the sealing cover, the culture solution cannot be spilled out when the culture dish overturns, so that unnecessary loss and waste are avoided; due to the existence of the three gear mechanisms, the base mechanism and the culture dish mechanism can be self-locked when slightly shaking, so that the culture dish is protected as soon as possible; the invention has simple structure and better use effect.

Drawings

FIG. 1 is a perspective schematic view of the culture dish mechanism in cooperation with the base mechanism.

FIG. 2 is a schematic cross-sectional view of the engagement of the culture dish mechanism with the base mechanism.

Fig. 3 is a perspective schematic view of the base mechanism.

Fig. 4 is a schematic cross-sectional view of the base unit.

Fig. 5 is a partial sectional schematic view of the base mechanism.

FIG. 6 is a cross-sectional view of the first seal segment and the first positioning segment.

Fig. 7 is a schematic perspective view of a base.

Fig. 8 is a schematic cross-sectional view of the base.

Figure 9 is a schematic view of a first sealing dome.

Fig. 10 is a schematic perspective view of a first positioning block.

FIG. 11 is a schematic cross-sectional view of a first positioning block.

Fig. 12 is a schematic view of the internal transmission of the base unit.

Fig. 13 is a perspective schematic view of a first slider.

Fig. 14 is a perspective schematic view of the second compression spring plate.

Fig. 15 is a schematic view of a hexagonal prism.

Fig. 16 is a schematic view of the first compression spring plate.

Fig. 17 is a schematic view of a gear mechanism.

Fig. 18 is a perspective schematic view of the positioning plate.

Fig. 19 is a schematic view of the gear mechanism and rack engagement.

FIG. 20 is a schematic perspective view of the culture dish mechanism.

FIG. 21 is a schematic cross-sectional view of the dish mechanism.

FIG. 22 is a schematic partial cross-sectional view of the dish mechanism.

FIG. 23 is a schematic view of a culture dish.

Figure 24 is a schematic view of a sealing cap.

Fig. 25 is a schematic perspective view of a center round block.

Figure 26 is a schematic cross-sectional view of a central round block.

Fig. 27 is a schematic perspective view of a backing ring.

Figure 28 is a schematic perspective view of a second sealing dome.

FIG. 29 is a perspective schematic view of a second locating knob.

Figure 30 is a schematic cross-sectional view of a second locating boss.

FIG. 31 is a schematic view of the internal gearing of the culture dish mechanism.

Fig. 32 is a perspective schematic view of a second slider.

Fig. 33 is a perspective schematic view of a third compression spring plate.

Number designation in the figures: 1. a base mechanism; 2. a culture dish mechanism; 3. a base; 4. a hexagonal groove; 5. a trapezoidal chute; 6. a first hexagonal hole; 7. a first circular groove; 8. a first sealing round block; 9. a first positioning groove; 10. a second hexagonal hole; 11. a first positioning round block; 12. a first chute; 13. a third hexagonal hole; 14. a first slide hole; 15. a second chute; 16. a second circular groove; 17. a first slider; 18. a first circular hole; 19. a first limit inclined plane; 20. a first stopper; 21. a first limit spring; 22. a second compression spring plate; 23. a first square hole; 24. a first slide bar; 25. a hexagonal prism; 26. a hexagonal tooth surface; 27. a second return spring; 28. a first compression spring plate; 29. a fourth hexagonal hole; 30. positioning a plate; 31. a first shaft hole; 32. a second shaft hole; 33. a third shaft hole; 34. a fourth shaft hole; 35. a first pin shaft; 36. a second pin shaft; 37. a third pin shaft; 38. a fourth pin shaft; 39. a first gear; 40. a second gear; 41. a third gear; 42. a fourth gear; 43. a fifth gear; 44. a unidirectional ring; 45. a rack; 46. a trapezoidal slide bar; 47. a first return spring; 48. a culture dish; 49. a storage tank; 50. a second circular hole; 51. a sealing cover; 52. a threaded hole; 53. a center block; 54. a third circular groove; 55. a second slide hole; 56. a liner ring; 57. a third return spring; 58. a limiting ring groove; 59. a second sealing round block; 60. a second positioning groove; 61. a third slide hole; 62. a second positioning round block; 63. a third chute; 64. a fourth slide hole; 65. a fourth chute; 66. a fourth circular groove; 67. a second limiting block; 68. a second limit spring; 69. a third compression spring plate; 70. a second square hole; 71. a second slide bar; 72. a second slider; 73. a third circular hole; 74. a second limit inclined plane; 75. a gear mechanism.

Detailed Description

As shown in fig. 1 and 2, the incubator comprises a base mechanism 1 and a culture dish mechanism 2, wherein the base mechanism 1 is placed on a bottom plate of the incubator, and a plurality of culture dish mechanisms 2 are mutually overlapped, matched and stacked on the base mechanism 1.

As shown in fig. 3 and 4, the base mechanism 1 includes a base 3, a hexagonal groove 4, a trapezoidal sliding groove 5, a first hexagonal hole 6, a first circular groove 7, a first sealing circular block 8, a first positioning groove 9, a second hexagonal hole 10, a first positioning circular block 11, a first sliding groove 12, a third hexagonal hole 13, a first sliding hole 14, a second sliding groove 15, a second circular groove 16, a first sliding block 17, a first circular hole 18, a first positioning inclined surface 19, a first positioning block 20, a first positioning spring 21, a second pressure spring plate 22, a first square hole 23, a first sliding rod 24, a hexagonal prism 25, a hexagonal tooth surface 26, a second return spring 27, a first pressure spring plate 28, a fourth hexagonal hole 29, a gear mechanism 75, a rack 45, a trapezoidal sliding bar 46, and a first return spring 47, where as shown in fig. 7, the base 3 is made of glass; a hexagonal groove 4 is formed in the center of the lower end face of the base 3; the side surface of the inner wall of the hexagonal groove 4 is provided with three trapezoidal sliding grooves 5, and the three trapezoidal sliding grooves 5 are uniformly distributed in the circumferential direction; the three trapezoidal sliding chutes 5 are parallel to the central axis of the base 3; a first hexagonal hole 6 is formed in the center of the upper end face of the base 3, and the first hexagonal hole 6 is communicated with the hexagonal groove 4; as shown in fig. 8, the inner wall of the first hexagonal hole 6 has a first circular groove 7 in the circumferential direction, and the central axis of the first circular groove 7 coincides with the central axis of the first hexagonal hole 6; as shown in fig. 9, the first sealing round block 8 is made of glass; a first positioning groove 9 is formed in the center of the upper end face of the first sealing round block 8; a second hexagonal hole 10 is formed in the center of the lower end face of the first sealing round block 8, and the second hexagonal hole 10 is communicated with the first positioning groove 9; as shown in fig. 4, the first sealing round block 8 is mounted on the upper end face of the base 3 through the lower end face thereof, and the second hexagonal hole 10 is butted with the first hexagonal hole 6; the lower end face of the first sealing round block 8 is bonded with the upper end face of the base 3 through special glue; as shown in fig. 11, the first positioning round block 11 has a first sliding groove 12 therein; as shown in fig. 10, a third hexagonal hole 13 is formed in the center of the lower end surface of the first positioning round block 11, and the third hexagonal hole 13 is communicated with the first sliding groove 12; as shown in fig. 11, a first sliding hole 14 is formed in the center of the upper end surface of the first positioning round block 11, and the first sliding hole 14 is communicated with the first sliding chute 12; the outer circular surface of the first positioning round block 11 is provided with a second chute 15, and the second chute 15 is communicated with the first chute 12; the inner wall of the second sliding chute 15 is circumferentially provided with a second circular chute 16; as shown in fig. 6, the lower end of the first positioning round block 11 is inserted into the first positioning groove 9 on the first sealing round block 8, and the third hexagonal hole 13 is butted with the second hexagonal hole 10.

As shown in fig. 13, a first circular hole 18 is formed between the upper and lower end surfaces of the first slider 17; a first limit inclined plane 19 is arranged on one side end surface of the first sliding block 17; as shown in fig. 6, the first slider 17 is mounted in the first slide groove 12 by sliding-fitting its side end surface with the inner wall of the first slide groove 12; the first stopper 20 is installed in the second sliding groove 15; as shown in fig. 14, a first square hole 23 is formed in an end surface of the second compression spring plate 22; as shown in fig. 6, the second compression spring plate 22 is located at one end of the second circular groove 16 close to the first sliding groove 12; the second compression spring plate 22 is nested on the first limiting block 20 through the first square hole 23 and the side end surface of the first limiting block 20 in a sliding fit manner; the first limiting spring 21 is nested outside the first limiting block 20; one end of the first limiting spring 21 is connected with the inner wall of the second circular groove 16, and the other end is connected with the second pressure spring plate 22; one end of the first limiting block 20 positioned in the first sliding groove 12 is matched with the first limiting inclined plane 19 on the first sliding block 17; one end of the first slide bar 24 is inserted into the first slide hole 14 from top to bottom, and the first slide bar 24 passes through the first round hole 18 on the first slide block 17; the first slide bar 24 is fixedly connected with the first slide block 17; as shown in fig. 15, the lower end of the hexagonal prism 25 has a hexagonal tooth surface 26; as shown in fig. 4, the upper end of the hexagonal prism 25 is inserted into the first hexagonal hole 6, the second hexagonal hole 10 and the third hexagonal hole 13 from bottom to top in sequence to be fixedly connected with the first slide bar 24; as shown in fig. 16, a fourth hexagonal hole 29 is formed in the center of the end surface of the first compression spring plate 28; as shown in fig. 5 and 6, the first compression spring plate 28 is embedded in the first circular groove 7, and the first compression spring plate 28 is located at the lower end of the first circular groove 7; the first compression spring plate 28 is nested on the hexagonal prism 25 through the fourth hexagonal hole 29 and the outer side of the hexagonal prism 25 in a sliding fit manner; the first compression spring plate 28 is fixedly connected with the hexagonal prism 25; the second return spring 27 is positioned in the first circular groove 7, and the second return spring 27 is nested outside the hexagonal prism 25; one end of the second return spring 27 is connected with the first compression spring plate 28, and the other end is connected with the inner wall of the first circular groove 7; as shown in fig. 12 and 19, a trapezoidal slide 46 is mounted on one side end surface of the rack 45; as shown in fig. 3 and 12, three racks 45 are circumferentially and uniformly mounted on the inner wall of the hexagonal groove 4 through the sliding fit of the trapezoidal sliding strip 46 and the trapezoidal sliding groove 5; a first return spring 47 is mounted at the upper end of each rack 45; one end of each first return spring 47 is connected with the corresponding rack 45, and the other end is connected with the upper end surface of the inner wall of the hexagonal groove 4; as shown in fig. 4 and 12, three gear mechanisms 75 are circumferentially and uniformly mounted on the upper end surface of the inner wall of the hexagonal groove 4; the three gear mechanisms 75 are simultaneously matched with the hexagonal tooth surfaces 26 on the hexagonal prisms 25; each gear mechanism 75 cooperates with a respective rack 45.

As shown in fig. 2, the first positioning round block 11 is engaged with the culture dish mechanism 2; the first sealing round block 8 is matched with the culture dish mechanism 2; the first limiting block 20 is matched with the culture dish mechanism 2; the first slide 24 cooperates with the culture dish mechanism 2.

As shown in fig. 17 and 18, the gear mechanism 75 includes a positioning plate 30, a first shaft hole 31, a second shaft hole 32, a third shaft hole 33, a fourth shaft hole 34, a first pin shaft 35, a second pin shaft 36, a third pin shaft 37, a fourth pin shaft 38, a first gear 39, a second gear 40, a third gear 41, a fourth gear 42, a fifth gear 43, and a one-way ring 44, wherein as shown in fig. 18, the positioning plate 30 is transversely provided with the first shaft hole 31, the second shaft hole 32, the third shaft hole 33, and the fourth shaft hole 34 in sequence; as shown in fig. 4, the positioning plate 30 is mounted on the upper end surface of the hexagonal groove 4 through the upper end surface thereof; the positioning plate 30 and the base 3 are bonded by special glue; as shown in fig. 19, the first gear 39 is mounted on the positioning plate 30 by the bearing fit between the first pin shaft 35 and the first shaft hole 31, and the first gear 39 is fitted with the hexagonal tooth surface 26 on the hexagonal prism 25; the first gear 39 is in key fit with the first pin shaft 35; the second gear 40 is installed on the positioning plate 30 through the bearing fit between the second pin shaft 36 and the second shaft hole 32, and the second gear 40 is meshed with the first gear 39; the second gear 40 is in key fit with the second pin shaft 36; the third gear 41 is installed on the positioning plate 30 through the bearing fit between the third pin shaft 37 and the third shaft hole 33, and the third gear 41 is meshed with the second gear 40; the third gear 41 is in key fit with the third pin 37; the fourth gear 42 and the one-way ring 44 are mounted on the positioning plate 30 through a bearing between the fourth pin shaft 38 and the fourth shaft hole 34 in a matching manner, and the fourth gear 42 and the one-way ring 44 are respectively located at two ends of the fourth pin shaft 38; the fourth gear 42 is in key fit with the fourth pin shaft 38; the one-way ring 44 is in key fit with the fourth pin shaft 38; the fourth gear 42 is meshed with the third gear 41; the fifth gear 43 is nested on the outer circular surface of the one-way ring 44 through the inner circular surface thereof; the fifth gear 43 is engaged with a corresponding rack 45.

As shown in fig. 20 and 21, the culture dish mechanism 2 includes a culture dish 48, a storage groove 49, a second circular hole 50, a sealing cover 51, a threaded hole 52, a center block 53, a third circular groove 54, a second sliding hole 55, a lining ring 56, a limit ring groove 58, a second sealing circular block 59, a second positioning groove 60, a third sliding hole 61, a second positioning circular block 62, a third sliding groove 63, a fourth sliding hole 64, a fourth sliding groove 65, a fourth circular groove 66, a second limit block 67, a second limit spring 68, a third compression spring plate 69, a second square hole 70, a second sliding rod 71, a second sliding block 72, a third circular hole 73, a second limit inclined surface 74, and a third return spring 57, wherein as shown in fig. 23, the storage groove 49 is formed on the upper end surface of the culture dish 48; the center of the lower end surface of the culture dish 48 is provided with a second round hole 50, and the second round hole 50 is communicated with the storage groove 49; as shown in fig. 25, the center block 53 has a third circular groove 54 at the center of the lower end face; as shown in fig. 26, the center block 53 has a second slide hole 55 at the center of the upper end surface, and the second slide hole 55 communicates with the third circular groove 54; as shown in fig. 21, the center block 53 is mounted in the storage tank 49 of the culture dish 48 by its lower end surface; the notch of the third circular groove 54 is butted against the second circular hole 50; the central block 53 is bonded with the culture dish 48 through special glue; as shown in fig. 27, the inner circumferential surface of the liner ring 56 is circumferentially provided with a limit ring groove 58; as shown in fig. 21, the liner ring 56 is fitted into the third circular groove 54; as shown in fig. 28, the outer circumferential surface of the second sealing round block 59 has threads; the center of the upper end surface of the second sealing round block 59 is provided with a second positioning groove 60; a third sliding hole 61 is formed in the center of the lower end face of the second sealing round block 59, and the third sliding hole 61 is communicated with the second positioning groove 60; as shown in fig. 21, the second seal round block 59 is mounted on the upper end face of the center block 53 by the lower end face thereof, and the third slide hole 61 is butted against the second slide hole 55; the second sealing round block 59 is bonded with the central block 53 through special glue; as shown in fig. 29, the second positioning round block 62 has a third sliding groove 63 therein; as shown in fig. 30, a fourth sliding hole 64 is formed between the upper and lower end surfaces of the second positioning round block 62, and the fourth sliding hole 64 passes through the third sliding groove 63; a fourth chute 65 is arranged on the outer circular surface of the second positioning round block 62, and the fourth chute 65 is communicated with the third chute 63; the inner wall of the fourth sliding chute 65 is circumferentially provided with a fourth circular chute 66; as shown in fig. 22, the lower end of the second positioning round block 62 is inserted into the second positioning groove 60 on the second sealing round block 59, and the fourth sliding hole 64 is butted against the third sliding hole 61; as shown in fig. 24, the seal cap 51 has a screw hole 52 at the center of the end face; as shown in fig. 21, the seal cap 51 is mounted on the upper end surface of the culture dish 48 by screw-fitting of the screw hole 52 with the outer circumferential surface of the second seal round block 59.

As shown in fig. 32, a third through hole 73 is formed between the upper and lower end surfaces of the second slider 72; a second limit inclined plane 74 is arranged on one side end face of the second sliding block 72; as shown in fig. 22, the second slider 72 is mounted in the third slide groove 63 by sliding-fitting its side end surface with the inner wall of the third slide groove 63; the second limiting block 67 is mounted in the fourth sliding groove 65; as shown in fig. 33, a second square hole 70 is formed on the end surface of the third compression spring plate 69; as shown in fig. 22, the third compression spring plate 69 is located at one end of the fourth circular groove 66 near the third slide groove 63; the third pressure spring plate 69 is nested on the second limit block 67 in a sliding fit manner with the side end surface of the second limit block 67 through a second square hole 70; the second limiting spring 68 is nested outside the second limiting block 67; one end of the second limit spring 68 is connected with the inner wall of the fourth circular groove 66, and the other end is connected with the third pressure spring plate 69; as shown in fig. 31, one end of the second stopper 67 located in the third sliding groove 63 is engaged with the second stopper inclined surface 74 on the second slider 72; as shown in fig. 21, one end of the second sliding rod 71 passes through the second sliding hole 55, the third sliding hole 61 and the fourth sliding hole 64 in sequence from bottom to top, and the second sliding rod 71 passes through the third circular hole 73 on the second sliding block 72; the second sliding rod 71 is fixedly connected with the second sliding block 72; as shown in fig. 22, the third return spring 57 is located in the third sliding groove 63, and the third return spring 57 is nested on the second sliding bar 71; one end of the third return spring 57 is connected to the lower end surface of the second slider 72, and the other end is connected to the inner wall of the third sliding groove 63.

As shown in fig. 2, between the base mechanism 1 and the culture dish mechanism 2, the first positioning round block 11 in the base mechanism 1 is embedded into the liner ring 56 in the culture dish mechanism 2 mounted thereon, and the upper end surface of the first positioning round block 11 is in contact fit with the upper end surface of the third circular groove 54; the first slide bar 24 is in contact fit with the second slide bar 71; the first limit block 20 in the base mechanism 1 is matched with a limit ring groove 58 in a liner ring 56 in the culture dish mechanism 2 arranged on the first limit block; the first sealing round block 8 in the base mechanism 1 is embedded into the second round hole 50 on the culture dish 48 and the third round groove 54 on the central block 53, and the upper end surface of the first sealing round block 8 is in contact fit with the lower end surface of the lining ring 56; the first stopper 20 of the base mechanism 1 is engaged with the stopper ring groove 58 of the liner ring 56.

As shown in fig. 2, between the above-mentioned culture dish mechanism 2 and the culture dish mechanism 2, the second positioning round block 62 in the lower culture dish mechanism 2 is embedded in the liner ring 56 in the upper culture dish mechanism 2; the upper end surface of the second positioning round block 62 in the lower culture dish mechanism 2 is in contact fit with the upper end surface of the third round groove 54 in the upper culture dish mechanism 2; the second slide bar 71 in the lower culture dish mechanism 2 is in contact fit with the second slide bar 71 in the upper culture dish mechanism 2; the second limiting block 67 in the lower culture dish mechanism 2 is matched with the limiting ring groove 58 in the upper culture dish mechanism 2; the second sealing round block 59 in the lower culture dish mechanism 2 is embedded into the second round hole 50 and the third round groove 54 in the upper culture dish mechanism 2, and the upper end surface of the first sealing round block 8 in the lower culture dish mechanism 2 is in contact fit with the lower end surface of the liner ring 56 in the upper culture dish mechanism 2; the upper end face of the sealing cover 51 in the lower culture dish mechanism 2 is in contact fit with the lower end face of the culture dish 48 in the upper culture dish mechanism 2.

As shown in fig. 12, the elastic coefficient of the first return spring 47 is larger than that of the second return spring 27.

As shown in fig. 10, the first positioning round block 11 is made of a special plastic.

As shown in fig. 29, the second positioning round block 62 is made of a special plastic.

As shown in fig. 27, the material of the liner ring 56 is rubber.

As shown in fig. 12, the first return spring 47 is a compression spring.

As shown in fig. 12, the second return spring 27 is an extension spring.

As shown in fig. 6 and 22, the first limit spring 21 and the second limit spring 68 are both compression springs.

As shown in fig. 31, the third return spring 57 is a compression spring.

As shown in fig. 12, the first return spring 47 is in a compressed state when the base 3 is placed on a flat surface.

When the base mechanism 1 is horizontally placed on a laboratory table top, a plurality of culture dish mechanisms 2 are overlapped on the base mechanism 1 together, a first limiting block 20 in the base mechanism 1 is positioned in a second sliding groove 15 and does not limit a liner ring 56 matched with the first limiting block, a first limiting spring 21 is not compressed, a first sliding block 17 is positioned above the first limiting block 20, and the upper end surface of a first sliding rod 24 is contacted with the lower end surface of a second sliding rod 71 in the upper culture dish mechanism 2; the second limit block 67 in the culture dish mechanism 2 is positioned in the fourth sliding groove 65 without limiting the liner ring 56 matched with the second limit block, the second limit spring 68 is not compressed, the second sliding block 72 is positioned above the second limit block 67, the upper end surface of the second sliding rod 71 is contacted with the lower end surface of the second sliding rod 71 in the culture dish mechanism 2 above, and the third return spring 57 is stretched.

The sealing cap 51 of the present invention is used to seal the space in the culture dish 48 by the screw-engagement of the sealing cap 51 and the second sealing round block 59, and to prevent the culture solution in the culture dish 48 from spilling out during transportation.

The design purpose of the gear mechanism 75 is that when the culture dishes 48 which are stacked together topple in one direction, the rack 45 on the base 3 which is firstly separated from the table top of the test bed moves downwards along the trapezoid sliding groove 5 under the action of the corresponding first return spring 47; the rack 45 drives the fourth gear 42 to synchronously rotate through the fifth gear 43, the unidirectional ring 44 and the fourth pin 38; the fourth gear 42 drives the hexagonal prism 25 to move downwards through the third gear 41, the second gear 40 and the first gear 39; the second return spring 27 is stretched; the hexagonal prism 25 drives the first sliding block 17 to slide downwards along the first sliding chute 12 through the first sliding rod 24; the first limiting inclined surface 19 on the first sliding block 17 acts on the first limiting block 20, so that the first limiting block 20 slides outwards along the second sliding groove 15 and enters the corresponding limiting ring groove 58, and the first limiting spring 21 is compressed; at the same time, the first slide bar 24 in the base mechanism 1 releases the restriction on the second slide bar 71 in the lowermost dish mechanism 2; under the action of the restoring force of the third return spring 57, the second slider 72 drives the second slide bar 71 to slide downwards along the third slide groove 63; the second limiting inclined surface 74 on the second sliding block 72 acts on the second limiting block 67, so that the second limiting block 67 slides outwards along the fourth sliding groove 65 and enters the corresponding limiting ring groove 58; the second limit spring 68 is compressed; the downward movement of the second slide bar 71 in the lowermost culture dish mechanism 2 frees the restriction on the second slide bar 71 in the upper culture dish mechanism 2; under the restoring force of the corresponding third return spring 57, the second slide block 72 in the upper petri dish mechanism 2 drives the corresponding second slide rod 71 to slide downwards along the third slide groove 63; the second limiting inclined surface 74 on the second sliding block 72 in the upper culture dish mechanism 2 acts on the corresponding second limiting block 67, so that the second limiting block 67 slides outwards along the fourth sliding groove 65 and enters the corresponding limiting ring groove 58; the corresponding second limit spring 68 is compressed; because the first limiting blocks 20 and the plurality of second limiting blocks 67 are clamped in the corresponding limiting ring grooves 58, the culture dish 48 on the base mechanism 1 cannot slide off the base 3; thereby avoiding damage to the culture dish 48 caused by collision in a scattered manner; meanwhile, a plurality of culture dishes 48 are stacked on the base 3 in an overlapping manner, so that the space is saved, and more culture dishes 48 can be placed in the incubator.

The three gear mechanisms 75 are arranged on the upper end surface of the hexagonal groove 4 and are uniformly distributed along the circumferential direction, so that when a plurality of culture dishes 48 are stacked on the base 3 for transportation, the culture dishes are likely to bump and shake; the three gear mechanisms 75 are arranged on the upper end face of the hexagonal groove 4 and are uniformly distributed along the circumferential direction, so that the first limiting block 20 and the second limiting block 67 immediately enter the corresponding limiting ring grooves 58 under the condition that the culture dishes 48 which are overlapped together are slightly shaken, the culture dishes 48 and the base 3 are integrated into a whole, and the culture dishes are not scattered and collided after being poured; meanwhile, the sealing cover 51 ensures that the culture solution in the culture dish 48 is not spilled out, and unnecessary loss is not caused.

The specific implementation mode is as follows: when a plurality of culture dishes 48 are stacked on the base 3 and shake during transportation, a certain rack 45 arranged on the base 3 is separated from the placed bottom surface; this rack 45 slides downwards along the respective trapezoidal chute 5 under the action of the restoring force of the respective compressed first return spring 47; the rack 45 drives the fourth gear 42 to rotate through the fifth gear 43, the unidirectional ring 44 and the fourth pin 38; the fourth gear 42 moves the third gear 41, the second gear 40 and the first gear 39 to drive the hexagonal prism 25 to slide downwards; the second return spring 27 is stretched; the hexagonal prism 25 drives the other two first gears 39 to rotate; the other two first gears 39 drive the corresponding one-way rings 44 to rotate through the corresponding second gear 40, third gear 41, fourth gear 42 and fourth pin shaft 38; the rotation of the other two unidirectional rings 44 cannot drive the corresponding fifth gears 43 to rotate, and the other two racks 45 cannot slide downwards; the hexagonal prism 25 drives the first sliding block 17 to slide downwards along the first sliding chute 12 through the first sliding rod 24 connected with the hexagonal prism; the first limiting inclined surface 19 acts on the first limiting block 20, so that the first limiting block 20 slides outwards along the second sliding groove 15 and enters the corresponding limiting ring groove 58; the first limit spring 21 is compressed; at the same time, the first slide bar 24 in the base mechanism 1 releases the restriction on the second slide bar 71 in the lowermost dish mechanism 2; under the action of the restoring force of the third return spring 57, the second slider 72 drives the second slide bar 71 to slide downwards along the third slide groove 63; the second limiting inclined surface 74 on the second sliding block 72 acts on the second limiting block 67, so that the second limiting block 67 slides outwards along the fourth sliding groove 65 and enters the corresponding limiting ring groove 58; the second limit spring 68 is compressed; the downward movement of the second slide bar 71 in the lowermost culture dish mechanism 2 frees the restriction on the second slide bar 71 in the upper culture dish mechanism 2; under the restoring force of the corresponding third return spring 57, the second slide block 72 in the upper petri dish mechanism 2 drives the corresponding second slide rod 71 to slide downwards along the third slide groove 63; the second limiting inclined surface 74 on the second sliding block 72 in the upper culture dish mechanism 2 acts on the corresponding second limiting block 67, so that the second limiting block 67 slides outwards along the fourth sliding groove 65 and enters the corresponding limiting ring groove 58; the corresponding second limit spring 68 is compressed; because the first limiting blocks 20 and the plurality of second limiting blocks 67 are clamped in the corresponding limiting ring grooves 58, the culture dish 48 on the base mechanism 1 cannot slide off the base 3; thereby avoiding damage to the culture dish 48 caused by collision in a scattered manner; meanwhile, a plurality of culture dishes 48 are stacked on the base 3 in an overlapping mode, the space is saved, more culture dishes 48 can be placed in the incubator, more culture dishes 48 can be transferred simultaneously, and the transfer efficiency of the culture dishes 48 is improved.

When the culture dish 48 stacked on the base 3 is inclined together due to shaking, the culture solution in the culture dish 48 cannot spill out due to the sealing effect of the sealing cover 51, so that the loss is avoided; at this time, the hexagonal prism 25 slides down to the extreme position under the action of the three first return springs 47, and the hexagonal tooth surface 26 is disengaged from the three first gears 39; the second return spring 27 is stretched to the maximum length; the three first return springs 47 are restored; the three racks 45 simultaneously extend out of the hexagonal groove 4; the culture dish 48 is held up by both hands and is vertically placed on the bottom surface of the incubator; under the action of gravity of the culture dishes 48, the three racks 45 are simultaneously acted by the bottom surface and simultaneously contract into the hexagonal groove 4, and the three first return springs 47 are simultaneously compressed; the three racks 45 simultaneously drive the corresponding fifth gears 43 to rotate; the three fifth gears 43 do not drive the corresponding one-way ring 44 to rotate at this time; the fifth gear 43 does not restrict the one-way ring 44; the hexagonal prism 25 slides upward by the restoring force of the second return spring 27; the hexagonal prism 25 drives the first gear 39, the second gear 40, the third gear 41, the fourth gear 42 and the one-way ring 44 in the three gear mechanisms 75 to rotate, and the rotation direction of the one-way ring 44 is the same as that of the corresponding fifth gear 43; the hexagonal prism 25 drives the first slide block 17 to slide upwards to an initial position through the first slide bar 24; the first limit inclined plane 19 relieves the limitation on the first limit block 20; the first stopper 20 slides out of the corresponding stopper ring groove 58; the first limiting spring 21 is restored to the original state; the first slide bar 24 pushes the second slide bar 71 in the lowest culture dish mechanism 2 to drive the second slide block 72 to slide upwards; the third return spring 57 is stretched again; the second limit inclined plane 74 on the second slider 72 releases the limit on the second limit block 67; the second limiting blocks 67 slide out of the corresponding limiting ring grooves 58; the second limit spring 68 is restored; the second slide bar 71 in the lowermost culture dish mechanism 2 pushes the second slide bar 71 above the second slide bar to move upwards; the upper second sliding rod 71 drives the corresponding second sliding block 72 to move upwards; the upper second slider 72 releases the restriction on the corresponding second stopper 67; the upper second limiting block 67 slides out of the corresponding limiting ring groove 58; the corresponding second limit spring 68 is restored; when the culture dish 48 stacked on the base 3 is vertically placed on the bottom surface of the incubator again, the first stopper 20 in the base mechanism 1 and the second stoppers 67 in all the culture dish mechanisms 2 slide out of the corresponding stopper ring grooves 58 and release the restriction of the corresponding liner rings 56.

In conclusion, the invention has the beneficial effects that: the base 3 and the culture dish 48 which are overlapped together are dumped together when shaking, so that the phenomenon that the culture dish 48 is scattered can not occur, and the damage of the glass container caused by scattering and collision can be avoided; in the transportation process, the culture dishes 48 which are overlapped together save the space of the incubator to a certain extent, and the possibility of increasing the transportation number of the culture dishes 48 is provided; meanwhile, the sealing effect of the sealing cover 51 ensures that the culture solution cannot be spilled out when the culture dish 48 overturns, thereby avoiding unnecessary loss and waste; due to the existence of the three gear mechanisms 75, the base mechanism 1 and the culture dish mechanism 2 can be self-locked when slightly shaking, and the culture dish 48 is protected as soon as possible.

Claims

1. The utility model provides an anti-toppling biological test box which characterized in that: the incubator comprises a base mechanism and culture dish mechanisms, wherein the base mechanism is placed on a bottom plate of the incubator, and a plurality of culture dish mechanisms are mutually overlapped, matched and stacked on the base mechanism;

the base mechanism comprises a base, a hexagonal groove, a trapezoidal sliding groove, a first hexagonal hole, a first circular groove, a first sealing circular block, a first positioning groove, a second hexagonal hole, a first positioning circular block, a first sliding groove, a third hexagonal hole, a first sliding hole, a second sliding groove, a second circular groove, a first sliding block, a first circular hole, a first limiting inclined plane, a first limiting block, a first limiting spring, a second pressure spring plate, a first square hole, a first sliding rod, a hexagonal prism, a hexagonal tooth surface, a second reset spring, a first pressure spring plate, a fourth hexagonal hole, a gear mechanism, a rack, a trapezoidal sliding bar and a first reset spring, wherein the base is made of glass; the center of the lower end surface of the base is provided with a hexagonal groove; the side surface of the inner wall of the hexagonal groove is provided with three trapezoidal sliding grooves which are uniformly distributed in the circumferential direction; the three trapezoidal sliding chutes are parallel to the central axis of the base; a first hexagonal hole is formed in the center of the upper end face of the base and communicated with the hexagonal groove; a first circular groove is formed in the circumferential direction of the inner wall of the first hexagonal hole, and the central axis of the first circular groove is overlapped with the central axis of the first hexagonal hole; the first sealing round block is made of glass; a first positioning groove is formed in the center of the upper end face of the first sealing round block; a second hexagonal hole is formed in the center of the lower end face of the first sealing round block and communicated with the first positioning groove; the first sealing round block is arranged on the upper end surface of the base through the lower end surface of the first sealing round block, and the second hexagonal hole is in butt joint with the first hexagonal hole; the lower end face of the first sealing round block is bonded with the upper end face of the base through special glue; a first sliding groove is formed in the first positioning round block; a third hexagonal hole is formed in the center of the lower end face of the first positioning round block and communicated with the first sliding groove; a first sliding hole is formed in the center of the upper end face of the first positioning round block and communicated with the first sliding groove; the outer circular surface of the first positioning round block is provided with a second chute which is communicated with the first chute; a second circular groove is formed in the circumferential direction of the inner wall of the second sliding groove; the lower end of the first positioning round block is embedded into a first positioning groove on the first sealing round block, and the third hexagonal hole is in butt joint with the second hexagonal hole;

a first through round hole is formed between the upper end surface and the lower end surface of the first sliding block; a first limit inclined plane is arranged on one side end face of the first sliding block; the first sliding block is arranged in the first sliding groove in a sliding fit manner through the side end face of the first sliding block and the inner wall of the first sliding groove; the first limiting block is arranged in the second sliding groove; a first square hole is formed in the end face of the second compression spring plate; the second compression spring plate is positioned at one end, close to the first sliding groove, in the second circular groove; the second compression spring plate is nested on the first limiting block in a sliding fit mode through the first square hole and the side end face of the first limiting block; the first limiting spring is nested at the outer side of the first limiting block; one end of the first limiting spring is connected with the inner wall of the second circular groove, and the other end of the first limiting spring is connected with the second compression spring plate; one end of the first limiting block, which is positioned in the first sliding groove, is matched with the first limiting inclined plane on the first sliding block; one end of the first sliding rod is inserted into the first sliding hole from top to bottom, and the first sliding rod penetrates through a first round hole in the first sliding block; the first sliding rod is fixedly connected with the first sliding block; the lower end of the hexagonal prism is provided with a hexagonal tooth surface; the upper end of the hexagonal prism is inserted into the first hexagonal hole, the second hexagonal hole and the third hexagonal hole from bottom to top in sequence and is fixedly connected with the first sliding rod; a fourth hexagonal hole is formed in the center of the end face of the first compression spring plate; the first compression spring plate is embedded into the first circular groove and is positioned at the lower end of the first circular groove; the first compression spring plate is nested on the hexagonal prism in a sliding fit mode with the outer side of the hexagonal prism through the fourth hexagonal prism hole; the first compression spring plate is fixedly connected with the hexagonal prism; the second return spring is positioned in the first circular groove and nested outside the hexagonal prism; one end of the second return spring is connected with the first pressure spring plate, and the other end of the second return spring is connected with the inner wall of the first circular groove; a trapezoidal sliding strip is arranged on one side end face of the rack; the three racks are uniformly arranged on the inner wall of the hexagonal groove in the circumferential direction through the sliding fit of the trapezoidal sliding strip and the trapezoidal sliding groove; the upper end of each rack is provided with a first return spring; one end of each first return spring is connected with the corresponding rack, and the other end of each first return spring is connected with the upper end face of the inner wall of the hexagonal groove; the three gear mechanisms are circumferentially and uniformly arranged on the upper end surface of the inner wall of the hexagonal groove; the three gear mechanisms are matched with hexagonal tooth surfaces on the hexagonal prism at the same time; each gear mechanism is matched with a corresponding rack;

the first positioning round block is matched with the culture dish mechanism; the first sealing round block is matched with the culture dish mechanism; the first limiting block is matched with the culture dish mechanism; the first slide bar is matched with the culture dish mechanism;

the gear mechanism comprises a positioning plate, a first shaft hole, a second shaft hole, a third shaft hole, a fourth shaft hole, a first pin shaft, a second pin shaft, a third pin shaft, a fourth pin shaft, a first gear, a second gear, a third gear, a fourth gear, a fifth gear and a one-way ring, wherein the positioning plate is transversely provided with the first shaft hole, the second shaft hole, the third shaft hole and the fourth shaft hole in sequence; the positioning plate is arranged on the upper end surface of the hexagonal groove through the upper end surface of the positioning plate; the positioning plate and the base are bonded through special glue; the first gear is arranged on the positioning plate in a matched mode through a bearing between the first pin shaft and the first shaft hole, and the first gear is matched with a hexagonal tooth surface on the hexagonal prism; the first gear is in key fit with the first pin shaft; the second gear is matched and arranged on the positioning plate through a bearing between the second pin shaft and the second shaft hole, and the second gear is meshed with the first gear; the second gear is in key fit with the second pin shaft; the third gear is arranged on the positioning plate in a matched manner through a bearing between the third pin shaft and the third shaft hole, and the third gear is meshed with the second gear; the third gear is in key fit with the third pin shaft; the fourth gear and the one-way ring are arranged on the positioning plate in a matched mode through a bearing between the fourth pin shaft and the fourth shaft hole, and the fourth gear and the one-way ring are respectively positioned at two ends of the fourth pin shaft; the fourth gear is in key fit with the fourth pin shaft; the one-way ring is in key fit with the fourth pin shaft; the fourth gear is meshed with the third gear; the fifth gear is nested on the outer circular surface of the unidirectional ring through the inner circular surface of the fifth gear; the fifth gear is meshed with the corresponding rack;

the culture dish mechanism comprises a culture dish, a storage groove, a second round hole, a sealing cover, a threaded hole, a center block, a third round groove, a second sliding hole, a lining ring, a limiting ring groove, a second sealing round block, a second positioning groove, a third sliding hole, a second positioning round block, a third sliding groove, a fourth sliding hole, a fourth sliding groove, a fourth round groove, a second limiting block, a second limiting spring, a third compression spring plate, a second square hole, a second sliding rod, a second sliding block, a third round hole, a second limiting inclined plane and a third return spring, wherein the storage groove is formed in the upper end surface of the culture dish; a second round hole is formed in the center of the lower end face of the culture dish and communicated with the storage tank; a third circular groove is formed in the center of the lower end face of the central block; a second sliding hole is formed in the center of the upper end face of the central block and communicated with the third circular groove; the central block is arranged in a storage tank of a culture dish through the lower end surface of the central block; the notch of the third circular groove is butted with the second circular hole; the central block and the culture dish are bonded by special glue; the inner circle surface of the lining ring is circumferentially provided with a limit ring groove; the lining ring is embedded into the third circular groove; the outer circular surface of the second sealing circular block is provided with threads; a second positioning groove is formed in the center of the upper end face of the second sealing round block; a third sliding hole is formed in the center of the lower end face of the second sealing round block and communicated with the second positioning groove; the second sealing round block is arranged on the upper end surface of the central block through the lower end surface of the second sealing round block, and the third sliding hole is in butt joint with the second sliding hole; the second sealing round block is bonded with the central block through special glue; a third sliding chute is arranged in the second positioning round block; a through fourth sliding hole is formed between the upper end surface and the lower end surface of the second positioning round block, and the fourth sliding hole penetrates through the third sliding groove; a fourth chute is arranged on the outer circular surface of the second positioning round block and communicated with the third chute; a fourth circular groove is formed in the circumferential direction of the inner wall of the fourth sliding groove; the lower end of the second positioning round block is inserted into a second positioning groove on the second sealing round block, and the fourth sliding hole is in butt joint with the third sliding hole; the center of the end surface of the sealing cover is provided with a threaded hole; the sealing cover is arranged on the upper end surface of the culture dish in a threaded fit manner through the threaded hole and the thread of the outer circular surface of the second sealing round block;

a third through round hole is formed between the upper end surface and the lower end surface of the second sliding block; a second limiting inclined plane is arranged on one side end face of the second sliding block; the second sliding block is arranged in the third sliding groove in a sliding fit manner through the side end face of the second sliding block and the inner wall of the third sliding groove; the second limiting block is arranged in the fourth sliding groove; a second square hole is formed in the end face of the third pressure spring plate; the third compression spring plate is positioned at one end, close to the third sliding chute, in the fourth circular chute; the third compression spring plate is nested on the second limiting block in a sliding fit mode through a second square hole and the side end face of the second limiting block; the second limiting spring is nested at the outer side of the second limiting block; one end of the second limiting spring is connected with the inner wall of the fourth circular groove, and the other end of the second limiting spring is connected with the third compression spring plate; one end of the second limiting block, which is positioned in the third sliding groove, is matched with a second limiting inclined plane on the second sliding block; one end of the second sliding rod sequentially penetrates through the second sliding hole, the third sliding hole and the fourth sliding hole from bottom to top, and the second sliding rod penetrates through a third round hole in the second sliding block; the second sliding rod is fixedly connected with the second sliding block; the third return spring is positioned in the third sliding groove and is nested on the second sliding rod; one end of a third return spring is connected with the lower end face of the second sliding block, and the other end of the third return spring is connected with the inner wall of the third sliding chute;

between the base mechanism and the culture dish mechanism, a first positioning round block in the base mechanism is embedded into a lining ring in the culture dish mechanism arranged on the base mechanism, and the upper end surface of the first positioning round block is in contact fit with the upper end surface of the third circular groove; the first sliding rod is in contact fit with the second sliding rod; a first limiting block in the base mechanism is matched with a limiting ring groove in a lining ring in a culture dish mechanism arranged on the first limiting block; a first sealing round block in the base mechanism is embedded into a second round hole in the culture dish and a third round groove in the center block, and the upper end face of the first sealing round block is in contact fit with the lower end face of the lining ring; a first limiting block in the base mechanism is matched with a limiting ring groove on the lining ring;

between the culture dish mechanisms, a second positioning round block in the culture dish mechanism positioned below is embedded into a lining ring in the culture dish mechanism positioned above; the upper end surface of a second positioning round block in the lower culture dish mechanism is in contact fit with the upper end surface of a third round groove in the upper culture dish mechanism; a second slide bar in the lower culture dish mechanism is in contact fit with a second slide bar in the upper culture dish mechanism; the second limiting block in the lower culture dish mechanism is matched with the limiting ring groove in the upper culture dish mechanism; the second sealing round block in the lower culture dish mechanism is embedded into the second round hole and the third round groove in the upper culture dish mechanism, and the upper end surface of the first sealing round block in the lower culture dish mechanism is in contact fit with the lower end surface of the liner ring in the upper culture dish mechanism; the upper end surface of the sealing cover in the lower culture dish mechanism is in contact fit with the lower end surface of the culture dish in the upper culture dish mechanism;

the elastic coefficient of the first return spring is larger than that of the second return spring;

the first positioning round block is made of plastic;

the second positioning round block is made of plastic;

the lining ring is made of rubber.

2. The anti-tipping biological assay cartridge of claim 1, wherein: the first return spring is a compression spring.

3. The anti-tipping biological assay cartridge of claim 1, wherein: the second return spring is an extension spring.

4. The anti-tipping biological assay cartridge of claim 1, wherein: the first limiting spring and the second limiting spring are both compression springs.

5. The anti-tipping biological assay cartridge of claim 1, wherein: the third return spring is a compression spring.

6. The anti-tipping biological assay cartridge of claim 1, wherein: the first return spring is in a compressed state when the base is placed on a flat surface.