Refrigerating table convenient for observing color and luster of sample by microscope or naked eyes

Abstract

A refrigeration table facilitating observation of color and luster of a sample through a microscope or naked eyes comprises a fixed base, an observation table body, a refrigeration table body, a sample containing piece, a driving gear disc, a position control supporting rod, a fixed housing and a driving supporting rod, the inner side of the observation table body is connected with the refrigeration table body, the lower portion of the observation table body is connected with the fixed base, and the inner side of the fixed base is connected with the driving supporting rod; a main gear disc is arranged in the middle of the driving supporting rod, the two ends of the driving supporting rod are connected with driving shaft rods, the driving shaft rods are provided with butt joint inserting rods, butt joint inserting rod grooves are formed in the two sides of the driving supporting rod, the butt joint inserting rods are matched with the butt joint inserting rod grooves, the butt joint inserting rods are connected with the butt joint inserting rod grooves, and the driving shaft rods penetrate through the fixing base and are divided into the left driving shaft rod and the right driving shaft rod. The left driving shaft rod is provided with a limiting circular plate which is attached to the fixed base, and the right driving shaft rod is provided with a rocking handle which is attached to the fixed base.

Description

Technical Field

[0001] The utility model relates to the field of observation refrigeration platforms, in particular to a refrigeration platform which is convenient for observing the color of samples with a microscope or naked eyes. Background Art

[0002] The existing patent (Announcement No.: CN204666947U) proposes a microscope ice crystal cold stage, including a cold stage body, a circulating water pipe, a cooling water tank, a water pump group and a power supply. The cold stage body is connected to the water pump group in the cooling water tank through the circulating water pipe, and the water pump group is connected to the power supply; the cold stage body includes an upper copper plate, a lower copper plate and a semiconductor refrigeration plate, a semiconductor refrigeration plate is arranged between the upper copper plate and the lower copper plate, and a groove is arranged on the upper copper plate; a cooling water circulation guide groove is arranged in the lower copper plate, and the cooling water circulation guide groove is connected to the circulating water pipe. The utility model solves the problem that the ice crystal sample is easy to melt when observed under a microscope in the experiment through semiconductor refrigeration and groove design, thereby reducing the experimental error caused by the melting of the ice crystal sample exposed to the environment. However, the structure of the "cold stage body" in this device is relatively fixed, and the observation sample can only remain static after being placed on the upper part. When the color of the sample needs to be observed, it is impossible to turn the direction of the sample and cooperate with light sources at different angles to comprehensively and accurately observe the color of the sample, which has disadvantages. Summary of the invention

[0003] In view of the above-mentioned deficiencies in the prior art, the utility model provides a refrigeration table which is convenient for observing the color of samples with a microscope or naked eye, and which can drive a sample placement sheet to rotate by rotating a handle, so that the sample can be changed in direction so as to cooperate with light sources at different angles for color observation, thereby improving the comprehensiveness and accuracy of sample color observation. The utility model is convenient to operate, and the efficiency of sample color observation can be accelerated. At the same time, the sample placed on the sample placement sheet can be condensed by a refrigeration table to prevent the sample from being affected by the external temperature and causing melting and deformation, thereby improving the stability of the observed sample.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A refrigeration table for facilitating observation of sample color under a microscope or with the naked eye, comprising a fixed base, an observation table, a refrigeration table, a sample placement sheet, a driving gear plate, a position control support rod, a fixed cover, and a driving support rod. The inner side of the observation table is connected to the refrigeration table, the lower part of the observation table is connected to the fixed base, the inner side of the fixed base is connected to the driving support rod, the middle part of the driving support rod is provided with a main gear plate, both ends of the driving support rod are connected to a driving shaft rod, the driving shaft rod has a docking rod, both sides of the driving support rod have docking rod grooves, the docking rod is adapted to the docking rod groove, the docking rod is connected to the docking rod groove, the driving shaft rod passes through the fixed base, the driving shaft rod is divided into a left driving shaft rod and a right driving shaft rod, the left driving shaft rod has a limiting circular plate, the limiting circular plate fits the fixed base, the right driving shaft rod has a crank, and the crank fits the fixed base.

[0006] The upper part of the observation platform of the utility model is connected to a fixed cover shell, the fixed cover shell fits the upper side of the driving gear plate, the lower side of the driving gear plate fits the observation platform, the lower part of the observation platform is provided with a fastening support sleeve, the control support rod is sequentially connected to the fastening support sleeve, the observation platform, the driving gear plate, and the fixed cover shell, the control support rod has control grooves on both sides, the driving gear plate has control convex blocks on both sides, the control convex blocks are adapted to the control grooves, the control convex blocks are connected to the control grooves, the upper end of the control support rod is provided with a limiting convex rod, the fixed cover shell has a convex rod groove, the limiting convex rod is adapted to the convex rod groove, the limiting convex rod is connected to the convex rod groove, the lower end of the control support rod is provided with a sub-gear plate, the sub-gear plate is meshed with the main gear plate, and the sub-gear plate is connected to the main gear plate.

[0007] The utility model discloses a fastening buckle ring which is externally connected to a fastening support sleeve, a fastening card plate is provided on the inner side of the fastening buckle ring, card plate through holes are provided on both sides of the fastening support sleeve, a positioning support rod has a fastening card slot, the fastening card slot and the card plate through holes are adapted to the fastening card plate, the fastening card plate passes through the card plate through holes, the fastening card plate is connected to the fastening card slot, the fastening buckle ring is divided into a left fastening buckle ring and a right fastening buckle ring, the left fastening buckle ring is connected to the right fastening buckle ring, fixed protrusions are provided on both sides of the left fastening buckle ring, fixed grooves are provided on both sides of the right fastening buckle ring, the fixed protrusions are adapted to the fixed grooves, and the fixed protrusions are connected to the fixed grooves. Beneficial Effects

[0008] When the utility model observes the color of the sample, the sample to be observed is first placed on the sample placement sheet, and then the crank is turned to drive the components to produce a linkage reaction, and the sample observation direction is turned. By cooperating with light sources at different angles, multi-directional color observation of the sample is achieved, and the comprehensiveness and accuracy of the sample color observation are improved. The operation is convenient and the efficiency of the sample color observation is accelerated. A refrigeration table is provided at the lower part of the sample placement sheet. The refrigeration table is an integrated machine and is powered by a built-in motor. The refrigeration table condenses the sample placed on the upper part of the sample placement sheet to prevent the sample from being affected by the external temperature and causing melting and deformation, etc., thereby improving the stability of the observed sample. This device is convenient for naked eye color observation of the sample and can be used in conjunction with microscope observation.

[0009] The utility model discloses a driving support rod with a main gear disc and a secondary gear disc meshing connection, so that when the driving support rod and the main gear disc are driven to rotate by turning the crankshaft, the secondary gear disc and the positioning support rod are linked accordingly, the positioning support rod and the driving gear disc are embedded and plugged, and the positioning support rod is precisely positioned, which is convenient for fast and accurate docking and installation between the components, and provides a force fulcrum for the positioning support rod to drive the driving gear disc to rotate synchronously, the driving gear disc and the driven gear disc are meshing and connected, so that when the driving gear disc rotates, the driven gear disc is linked accordingly, and the driven gear disc is embedded and plugged with the sample placement plate, which provides a force fulcrum for the driven gear disc to drive the sample placement plate to rotate synchronously, and the sample placement plate can realize multi-directional color observation by adjusting the direction of the sample on the sample placement plate and cooperating with light sources at different angles, thereby improving the comprehensiveness and accuracy of the sample color observation, and the sample placement plate and the driven gear disc are designed to be split, which is convenient for quick disassembly and assembly, replacement and cleaning.

[0010] The fastening buckles on both sides of the utility model are oppositely buckled and fixed on the outside of the fastening support sleeve, and the fastening clamping plate on the inner side thereof increases the connection fulcrum between the fastening support sleeve and the position-controlling support rod, and limits the position of the position-controlling support rod so that the longitudinal height thereof remains unchanged and the axial rotation adjustment is performed to prevent the position-controlling support rod from moving and disengaging to affect the linkage effect between the components, thereby improving the structural stability.

[0011] The utility model discloses a fixed cover shell covers the outside of the driving gear plate and the driven gear plate, increases the upper limit fulcrum thereon, improves the linkage stability between the components, and when the driven gear plate rotates, the upper ball and the lower ball slide synchronously in the upper slide groove and the lower slide groove respectively, so as to reduce the friction resistance generated between the contact surface of the driven gear plate and the observation platform and the fixed cover shell when the driven gear plate rotates, avoids jamming, and improves the stability and smoothness of the driven gear plate when it rotates.

[0012] The utility model drives the sample placement sheet to rotate by rotating the crank, so that the sample is turned in the direction so as to cooperate with light sources at different angles for color observation, thereby improving the comprehensiveness and accuracy of sample color observation. The utility model is convenient to operate, and the efficiency of sample color observation is accelerated. At the same time, the sample placed on the sample placement sheet is condensed by the refrigeration table to prevent the sample from being affected by the external temperature and causing melting and deformation, thereby improving the stability of the observed sample. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model is a schematic diagram of a refrigeration table structure for facilitating observation of sample color with a microscope or naked eyes.

[0014] Figure 2 This is a cross-sectional view of a refrigeration table structure for facilitating observation of sample color through a microscope or naked eyes according to the utility model.

[0015] Figure 3This is a side cross-sectional view of a refrigeration table structure for facilitating observation of sample color through a microscope or naked eyes according to the utility model.

[0016] Figure 4 The utility model is a cross-sectional view of a refrigeration table structure for facilitating observation of sample color through a microscope or naked eyes.

[0017] Figure 5 It is a cross-sectional view of the position-controlling support rod limiting structure described in the utility model.

[0018] Figure 6 This is a schematic diagram of the fixed cover structure described in the utility model.

[0019] Figure 7 This is a schematic structural diagram of the driving gear plate and the driven gear plate described in the utility model.

[0020] Figure 8 This is an exploded view of the sample placement sheet driving structure described in the utility model.

[0021] Fig. 9 This is an exploded view of the refrigeration table structure of the utility model, which is convenient for observing the color of samples with a microscope or naked eyes. DETAILED DESCRIPTION

[0022] The utility model is further described in detail below according to the accompanying drawings and embodiments:

[0023] Embodiment 1:

[0024] A refrigeration platform for observing the color of a sample with a microscope or naked eyes, comprising a fixed base 01, an observation platform 02, a refrigeration platform 03, a sample placement sheet 04, a driving gear plate 07, a position control support rod 09, a fixed cover 23, and a driving support rod 28. The inner side of the observation platform 02 is connected to the refrigeration platform 03, the lower part of the observation platform 02 is connected to the fixed base 01, the inner side of the fixed base 01 is connected to the driving support rod 28, the middle part of the driving support rod 28 has a main gear plate 13, the two ends of the driving support rod 28 are connected to the driving shaft rod 29, the driving shaft rod 29 has a docking plug rod 32, The driving support rod 28 has a docking rod groove 33 on both sides, and the docking rod 32 is adapted to the docking rod groove 33, and the docking rod 32 is connected to the docking rod groove 33. The driving shaft rod 29 passes through the fixed base 01, and the driving shaft rod 29 is divided into a left driving shaft rod 291 and a right driving shaft rod 292. The left driving shaft rod 291 has a limiting circular plate 30, and the limiting circular plate 30 fits the fixed base 01. The right driving shaft rod 292 has a crank 31, and the crank 31 fits the fixed base 01. When observing the color of the sample, first place the sample to be observed on the sample placement sheet 04, and then drive the components to produce by rotating the crank 31. A linkage reaction occurs to turn the sample observation direction. By coordinating light sources at different angles, multi-directional color observation of the sample is achieved, thereby improving the comprehensiveness and accuracy of sample color observation. The operation is convenient and the efficiency of sample color observation is accelerated. A refrigeration table 03 is provided at the bottom of the sample placement sheet 04. The refrigeration table 03 is an integrated machine and is powered by a built-in motor. The refrigeration table 03 condenses the sample placed on the upper part of the sample placement sheet 04 to prevent the sample from being affected by the external temperature and causing melting and deformation, thereby improving the stability of the observed sample. This device is convenient for naked eye color observation of the sample and can be used in conjunction with microscope observation.

[0025] Embodiment 2:

[0026] The upper part of the observation platform 02 of the utility model is connected to the fixed cover 23, the fixed cover 23 fits the upper side of the driving gear plate 07, the lower side of the driving gear plate 07 fits the observation platform 02, the lower part of the observation platform 02 has a fastening support sleeve 14, the position control support rod 09 is sequentially connected to the fastening support sleeve 14, the observation platform 02, the driving gear plate 07, and the fixed cover 23, the two sides of the position control support rod 09 have a position control groove 11, and the two sides of the driving gear plate 07 have a position control protrusion 1 0, the position control convex block 10 is adapted to the position control groove 11, the position control convex block 10 is connected to the position control groove 11, the upper end of the position control support rod 09 is provided with a limiting convex rod 21, the fixed cover shell 23 is provided with a convex rod groove 22, the limiting convex rod 21 is adapted to the convex rod groove 22, the limiting convex rod 21 is connected to the convex rod groove 22, the lower end of the position control support rod 09 is provided with a sub-gear plate 12, the sub-gear plate 12 is meshed with the main gear plate 13, the sub-gear plate 12 is connected to the main gear plate 13, this device drives the sample placement sheet 04 to rotate the sample by rotating the crank 31, so that the sample is turned in order to cooperate with light sources of different angles for color observation, thereby improving the comprehensiveness and accuracy of the sample color observation, and the operation is convenient, while accelerating the efficiency of the sample color observation, and condensing the sample placed on the upper part of the sample placement sheet 04 through the refrigeration table 03 to prevent the sample from being affected by the external temperature and melting and deformation, etc., thereby improving the stability of the observed sample.

[0027] Embodiment 3:

[0028] The utility model described in the fastening support sleeve 14 is externally connected to the fastening buckle 15, the fastening buckle 15 has a fastening card plate 16 on the inner side, the fastening support sleeve 14 has card plate through holes 18 on both sides, the control support rod 09 has a fastening card slot 17, the fastening card slot 17 and the card plate through holes 18 are adapted to the fastening card plate 16, the fastening card plate 16 passes through the card plate through holes 18, the fastening card plate 16 is connected to the fastening card slot 17, the fastening buckle 15 is divided into a left fastening buckle 151 and a right fastening buckle 152, the left fastening buckle 151 is connected to the right fastening buckle 152, and the left fastening buckle 151 has two sides. It has a fixing protrusion 19, and fixing grooves 20 are provided on both sides of the right fastening buckle 152. The fixing protrusion 19 is adapted to the fixing groove 20, and the fixing protrusion 19 is connected to the fixing groove 20. The fastening buckles 15 on both sides are oppositely buckled and fixed to the outside of the fastening support sleeve 14. The fastening clamping plate 16 on the inner side increases the connection fulcrum between the fastening support sleeve 14 and the control support rod 09, and limits the position of the control support rod 09 to keep its longitudinal height unchanged, and perform axial rotation adjustment to avoid its movement and separation, which affects the linkage effect between the components and improves the structural stability.

[0029] Embodiment 4:

[0030] The driving gear plate 07 of the utility model is meshed with the driven gear plate 08, the driving gear plate 07 is connected to the driven gear plate 08, the inner side of the driven gear plate 08 is connected to the sample placement sheet 04, the lower part of the sample placement sheet 04 is attached to the refrigeration table 03, the sample placement sheet 04 has a driving groove 06, the driven gear plate 08 has a driving protrusion 05, the driving protrusion 05 is adapted to the driving groove 06, the driving protrusion 05 is connected to the driving groove 06, the main gear plate 13 and the secondary gear plate 12 of the driving support rod 28 are meshed and connected, so that when the driving support rod 28 and the main gear plate 13 are driven to rotate by turning the crank 31, the secondary gear plate 12 and the control support rod 09 are linked therewith, and the control support rod 09 is embedded and plugged with the driving gear plate 07, and the positioning precision is achieved. The invention is accurate, convenient for quick and accurate docking and installation between components, and provides a force fulcrum for the position control support rod 09 to drive the driving gear plate 07 to rotate synchronously. The driving gear plate 07 is meshed and connected with the driven gear plate 08, so that when the driving gear plate 07 rotates, the driven gear plate 08 is linked therewith. The driven gear plate 08 is embedded and plugged into the sample placement sheet 04, and provides a force fulcrum for the driven gear plate 08 to drive the sample placement sheet 04 to rotate synchronously. The direction of the sample on the sample placement sheet 04 is turned and controlled, and light sources at different angles are used to achieve multi-directional color observation, thereby improving the comprehensiveness and accuracy of the sample color observation. The sample placement sheet 04 and the driven gear plate 08 are designed in a split type, which is convenient for quick disassembly and assembly, replacement and cleaning.

[0031] Embodiment 5:

[0032] The upper side of the driven gear plate 08 of the utility model fits the fixed cover 23, the fixed cover 23 has an upper slide groove 24, the lower side of the driven gear plate 08 fits the observation platform 02, the observation platform 02 has a lower slide groove 25, and the two sides of the driven gear plate 08 have installation grooves 26, the installation grooves 26 are adapted to the ball 27, and the installation grooves 26 are connected to the ball 27.

[0033] Embodiment 6:

[0034] The ball 27 described in the utility model is divided into an upper ball 271 and a lower ball 272. The upper ball 271 is adapted to the upper slide groove 24, the upper ball 271 is connected to the upper slide groove 24, the upper ball 271 slides in the upper slide groove 24, the lower ball 272 is adapted to the lower slide groove 25, the lower ball 272 is connected to the lower slide groove 25, the lower ball 272 slides in the lower slide groove 25, the fixed cover 23 covers the outside of the driving gear plate 07 and the driven gear plate 08, increases the upper limit fulcrum, improves the linkage stability between the components, and when the driven gear plate 08 rotates, the upper ball 271 and the lower ball 272 slide synchronously in the upper slide groove 24 and the lower slide groove 25 respectively, so as to reduce the friction resistance generated between the contact surfaces of the driven gear plate 08 and the observation platform 02 and the fixed cover 23 when the driven gear plate 08 rotates, avoids jamming, and improves the smoothness of the driven gear plate 08 when it rotates.

[0035] Embodiment 7:

[0036] Installation steps: first assemble the observation platform 02 structure, first fix the refrigeration platform 03 at the center of the observation platform 02, the refrigeration platform 03 is an integrated machine and powered by the built-in motor, then place the driving gear plate 07 and the driven gear plate 08 on the upper part of the observation platform 02, and the driving gear plate 07 and the driven gear plate 08 are meshed and connected, and the lower ball 272 is embedded in the lower slide groove 25, then the sub-gear plate 12 is placed on the lower part of the observation platform 02, and the control support rod 09 passes through the fastening support sleeve 14, the observation platform 02, and the driving gear plate 07 in turn, until the fastening slot 17 corresponds to the position of the card plate through-hole 18, and the control protrusion 10 is embedded in the control groove 11, and then the fastening buckle 15 is placed on the outside of the fastening support sleeve 14, and the fastening buckles 15 on both sides are oppositely buckled and fixedly connected, the fastening card plate 16 passes through the card plate through-hole 18 and is embedded in the fastening slot 17, and the fixing protrusion 19 is embedded in the fixing groove The cam 21 is embedded in the cam groove 22, and finally the sample placement sheet 04 is placed in the driven gear plate 08, and the driving protrusion 05 is embedded in the driving groove 06. The lower surface of the sample placement sheet 04 fits with the refrigeration table 03. After the observation platform 02 structure is assembled, the device driving structure is assembled. First, the driving support rod 28 is placed in the fixed base 01, and then the driving shaft rod 29 passes through the fixed base 01 and is fixedly connected with the driving support rod 28, and the docking rod 32 is embedded in the docking rod groove 33. The inner surfaces of the limiting circular plate 30 and the crank handle 31 are both fitted with the outer surface of the fixed base 01. Finally, the observation platform 02 is installed and fixed on the upper part of the fixed base 01, and the main gear plate 13 is meshed with the auxiliary gear plate 12 to complete the installation.

[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as within the protection scope of the present invention.

Claims

1. A refrigeration table that facilitates observation of sample color under a microscope or with the naked eye, characterized in that : comprising a fixed base (01), an observation platform (02), a cooling platform (03), a sample placement sheet (04), a driving gear plate (07), a position control rod (09), a fixed cover (23), and a driving rod (28), wherein the inner side of the observation platform (02) is connected to the cooling platform (03), the lower part of the observation platform (02) is connected to the fixed base (01), the inner side of the fixed base (01) is connected to the driving rod (28), the middle part of the driving rod (28) is provided with a main gear plate (13), the two ends of the driving rod (28) are connected to a driving shaft rod (29), and the driving shaft rod (29) has a docking rod (32), The driving support rod (28) has docking rod grooves (33) on both sides, the docking rod (32) is adapted to the docking rod groove (33), and the docking rod (32) is connected to the docking rod groove (33). The driving shaft rod (29) passes through the fixed base (01), and the driving shaft rod (29) is divided into a left driving shaft rod (291) and a right driving shaft rod (292). The left driving shaft rod (291) has a limiting circular plate (30), and the limiting circular plate (30) fits the fixed base (01). The right driving shaft rod (292) has a crank (31), and the crank (31) fits the fixed base (01). The upper part of the observation platform (02) is connected to the fixed cover shell (23), and the fixed cover shell (23) is fixed to the observation platform (02). The cover shell (23) fits the upper side of the driving gear plate (07), and the lower side of the driving gear plate (07) fits the observation platform (02). The lower part of the observation platform (02) has a fastening support sleeve (14). The control support rod (09) is sequentially connected to the fastening support sleeve (14), the observation platform (02), the driving gear plate (07), and the fixed cover shell (23). The control support rod (09) has control grooves (11) on both sides. The driving gear plate (07) has control convex blocks (10) on both sides. The control convex blocks (10) are adapted to the control grooves (11). The control convex blocks (10) are connected to the control grooves (11). The upper end of the control support rod (09) has a limiting convex rod (21).

2. A refrigeration table for facilitating observation of sample color under a microscope or with the naked eye according to claim 1, characterized in that The fixed cover (23) has a convex rod groove (22), the limiting convex rod (21) is adapted to the convex rod groove (22), the limiting convex rod (21) is connected to the convex rod groove (22), the lower end of the control support rod (09) has a secondary gear plate (12), the secondary gear plate (12) is meshed with the main gear plate (13), and the secondary gear plate (12) is connected to the main gear plate (13).

3. A refrigeration table for facilitating observation of sample color under a microscope or with the naked eye according to claim 2, characterized in that The fastening support sleeve (14) is externally connected to the fastening buckle (15), the fastening buckle (15) has a fastening card plate (16) on the inner side, the fastening support sleeve (14) has card plate through holes (18) on both sides, the control support rod (09) has a fastening card slot (17), the fastening card slot (17) and the card plate through hole (18) are adapted to the fastening card plate (16), the fastening card plate (16) passes through the card plate through hole (18), and the fastening card plate (16) is connected to the fastening card slot (17), the fastening buckle (15) is divided into a left fastening buckle (151) and a right fastening buckle (152), the left fastening buckle (151) is connected to the right fastening buckle (152), the left fastening buckle (151) has fixing protrusions (19) on both sides, the right fastening buckle (152) has fixing grooves (20) on both sides, the fixing protrusions (19) are adapted to the fixing grooves (20), and the fixing protrusions (19) are connected to the fixing grooves (20).

4. A refrigeration table for facilitating observation of sample color under a microscope or with the naked eye according to claim 3, characterized in that The driving gear plate (07) is meshed with the driven gear plate (08), the driving gear plate (07) is connected to the driven gear plate (08), the inner side of the driven gear plate (08) is connected to the sample placement plate (04), the lower part of the sample placement plate (04) is attached to the refrigeration table (03), the sample placement plate (04) has a driving groove (06), the driven gear plate (08) has a driving protrusion (05), the driving protrusion (05) is adapted to the driving groove (06), and the driving protrusion (05) is connected to the driving groove (06).

5. A refrigeration table for facilitating observation of sample color under a microscope or with the naked eye according to claim 4, characterized in that The upper side of the driven gear plate (08) is fitted with the fixed cover (23), the fixed cover (23) has an upper slide groove (24), the lower side of the driven gear plate (08) is fitted with the observation platform (02), the observation platform (02) has a lower slide groove (25), and the driven gear plate (08) has mounting grooves (26) on both sides, the mounting grooves (26) are adapted to the ball bearings (27), and the mounting grooves (26) are connected to the ball bearings (27).

6. The refrigeration table according to claim 1, which is convenient for observing the color of samples with a microscope or naked eyes, is characterized in that The ball (27) is divided into an upper ball (271) and a lower ball (272). The upper ball (271) is adapted to the upper slide groove (24). The upper ball (271) is connected to the upper slide groove (24). The upper ball (271) slides in the upper slide groove (24). The lower ball (272) is adapted to the lower slide groove (25). The lower ball (272) is connected to the lower slide groove (25). The lower ball (272) slides in the lower slide groove (25).

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