CN220345910U - Test tube rack provided with fixed cover - Google Patents
Test tube rack provided with fixed cover Download PDFInfo
- Publication number
- CN220345910U CN220345910U CN202321875535.4U CN202321875535U CN220345910U CN 220345910 U CN220345910 U CN 220345910U CN 202321875535 U CN202321875535 U CN 202321875535U CN 220345910 U CN220345910 U CN 220345910U
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- disc
- limiting
- fixed cover
- fixed
- test tube
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- 229910052742 iron Inorganic materials 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 description 9
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 235000013547 stew Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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- Devices For Use In Laboratory Experiments (AREA)
Abstract
The utility model discloses a test tube rack provided with a fixed cover, which comprises a supporting disc, a limiting disc, a fixed shaft, a screw rod, the fixed cover and a limiting nut, wherein the fixed cover is arranged on the supporting disc; the supporting disc, the limiting disc and the fixing shaft are coaxially fixed, the supporting disc is positioned at the bottom end of the fixing shaft, and the limiting disc is positioned at the top end of the fixing shaft; the top surface of the supporting disc is provided with a plurality of placing grooves which are circumferentially distributed at intervals around the fixed shaft, the limiting disc is provided with a plurality of limiting through grooves, and the positions of the limiting through grooves are in one-to-one correspondence with the positions of the placing grooves; the screw rod is coaxially fixed with the fixed shaft and is positioned above the limiting disc; the fixed cover is annular, and the fixed cover is established in the periphery of screw rod, and the inboard of fixed cover constitutes clearance fit with the outside of screw rod, and stop nut and screw rod screw assembly to be in the top of fixed cover. This test-tube rack can place many test tubes, can make things convenient for the experimenter once only to shake or vibrate many test tubes simultaneously, improves operating efficiency.
Description
Technical Field
The utility model relates to the technical field of test tube racks, in particular to a test tube rack provided with a fixed cover.
Background
Test tubes are one of the most common instruments in chemical laboratories and are often used as reaction vessels for small amounts of reagents, and in many cases, shaking or vibrating the test tubes is often required in order to make the reaction more efficient or to accelerate the reaction.
In some agricultural product detection projects, sampling is sometimes carried out for multiple times, the agricultural product detection projects are packaged in a plurality of test tubes, relevant reagents are respectively dripped into the test tubes, then the reaction in the test tubes is waited, if the test tubes are kept still, the reaction speed is too slow or the reaction is insufficient, and the project detection is influenced; if each test tube is shaken or oscillated in sequence, the operation is too complicated and the efficiency is low.
The test tube rack is an experimental instrument for placing test tubes, and in many cases, the test tubes need to be placed on the test tube rack so as to continuously observe the reaction among all components in the test tubes; at present, a plurality of test tubes can be placed to the test tube rack, but only stew the function of test tube, when needs accelerate reaction rate, improvement reaction effect, still need the experimenter take out the test tube from the shelf in proper order, shake or vibrate the operation again, lead to complex operation, inefficiency.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model aims to provide the test tube rack with the fixed cover, which can be used for placing a plurality of test tubes, and is convenient for an experimenter to shake or oscillate the plurality of test tubes at one time, so that the operation efficiency is improved.
The utility model adopts the following technical scheme:
a test tube rack provided with a fixed cover comprises a supporting disc, a limiting disc, a fixed shaft, a screw, the fixed cover and a limiting nut; the supporting disc, the limiting disc and the fixing shaft are coaxially fixed, the supporting disc is positioned at the bottom end of the fixing shaft, and the limiting disc is positioned at the top end of the fixing shaft; the top surface of the supporting disc is provided with a plurality of placing grooves which are circumferentially distributed at intervals around the fixed shaft, the limiting disc is provided with a plurality of limiting through grooves, and the positions of the limiting through grooves are in one-to-one correspondence with the positions of the placing grooves; the screw rod is coaxially fixed with the fixed shaft and is positioned above the limiting disc; the fixed cover is annular, the periphery at the screw rod is established to the fixed cover, the inboard of fixed cover with the outside of screw rod constitutes clearance fit, stop nut with screw rod thread assembly to be in the top of fixed cover.
Further, the limit through groove is arranged at the edge of the limit disc, the inner side wall of the limit through groove is arc-shaped and forms a notch at the edge of the limit disc, and the central angle of the inner side wall of the limit through groove is in the range of 240-300 degrees.
Further, the fixed cover is circular, and the diameter of the fixed cover is larger than that of the limiting disc.
Further, the one side that the fixed lid was towards spacing disc is provided with the annular groove, the setting position of annular groove corresponds with spacing logical groove's distribution position, the blotter has been laid to the annular groove internal fixation.
Further, the limit nut comprises a screwing ring and a limit cylinder, the screwing ring and the limit cylinder are communicated through the same threaded hole, the outer diameter of the screwing ring is larger than that of the limit cylinder, and the screwing ring is positioned at the top end of the limit cylinder.
Further, a limiting groove is formed in one face, facing the limiting nut, of the fixing cover, and the limiting groove is matched with the bottom end of the limiting cylinder.
Further, an assembly groove is formed in the middle of the fixed cover, an annular magnet is fixed in the assembly groove, and an iron attraction part is fixed in the middle of the bottom surface of the supporting disc.
Further, three arc-shaped supporting portions are arranged at the edge of the bottom surface of the supporting disc, the arc-shaped supporting portions are distributed at intervals circumferentially, and the bottommost point of the arc-shaped supporting portions is lower than the bottommost point of the iron attracting portion.
Further, the outer side edge of the fixed cover is provided with a circular step, the circular step and the assembly groove are positioned on the same side of the fixed cover, and the circular step is used for being in contact fit with the arc-shaped supporting part.
Further, when the annular magnet of the fixed cover is sucked with the iron sucking part of the supporting disc, a gap is formed between the fixed cover and the supporting disc, and the gap and the arc-shaped supporting part are in circumferential staggered arrangement.
Compared with the prior art, the utility model has the beneficial effects that:
according to the test tube rack provided with the fixed cover, a plurality of test tubes can be placed through the supporting disc and the limiting disc, when the test tubes (the test tube covers are defaulted and have the same height) need to be shaken or oscillated, the fixed cover can be sleeved on the periphery of the screw rod, and because the fixed cover is in clearance fit with the screw rod, the fixed cover can move up and down along the screw rod, the top of the test tubes is covered by the fixed cover, then the limiting nut is screwed in the screw rod until the limiting nut props against the fixed cover, at the moment, all the test tubes on the test tube rack are fixed, and a tester can shake or oscillate the test tube rack with the test tubes as a whole;
therefore, the test tube rack provided with the fixed cover can be used for placing a plurality of test tubes, and meanwhile, an experimenter can conveniently shake or oscillate the plurality of test tubes at one time, so that the operation efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of a test tube rack according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a test tube rack according to an embodiment of the present utility model;
fig. 3 is an exploded view of the test tube rack shown in fig. 1;
fig. 4 is a cross-sectional view of the test tube rack shown in fig. 2;
fig. 5 is a schematic structural view of a fixing cover of a test tube rack according to an embodiment of the present utility model;
fig. 6 is a bottom structural view of a support disc of a test tube rack according to an embodiment of the present utility model.
In the figure: 1. a support disc; 11. placing the groove; 12. an iron attracting part; 13. an arc-shaped supporting part; 14. a void; 2. a limit disc; 21. limiting through grooves; 3. a fixed shaft; 4. a screw; 5. a fixed cover; 51. an assembly groove; 52. a ring-shaped magnet; 53. a circular step; 54. an annular groove; 55. a cushion pad; 6. a limit nut; 61. screwing the ring; 62. and a limiting cylinder.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.
Referring to fig. 1 to 6, an embodiment of the present utility model provides a test tube rack provided with a stationary cover. The test tube rack comprises a supporting disc 1, a limiting disc 2, a fixed shaft 3, a screw 4, a fixed cover 5 and a limiting nut 6; the supporting disc 1, the limiting disc 2 and the fixed shaft 3 are coaxially fixed, the supporting disc 1 is positioned at the bottom end of the fixed shaft 3, and the limiting disc 2 is positioned at the top end of the fixed shaft 3; the top surface of the supporting disc 1 is provided with a plurality of placing grooves 11, the placing grooves 11 are circumferentially distributed at intervals around the fixed shaft 3, the limiting disc 2 is provided with a plurality of limiting through grooves 21, and the positions of the limiting through grooves 21 are in one-to-one correspondence with the positions of the placing grooves 11; the screw 4 is coaxially fixed with the fixed shaft 3 and is positioned above the limit disc 2; the fixed cover 5 is annular, and the periphery at the screw rod 4 is established to fixed cover 5 cover, and the inboard of fixed cover 5 constitutes clearance fit with the outside of screw rod 4, and stop nut 6 and screw rod 4 screw assembly to be in the top of fixed cover 5. Specifically, the fixed cover 5 is circular, and the diameter of the fixed cover 5 is larger than that of the limit disk 2.
In the test tube rack of the embodiment of the utility model, the middle part of the fixed cover 5 is provided with the assembly groove 51, the assembly groove 51 is internally fixed with the annular magnet 52, and the middle part of the bottom surface of the supporting disc 1 is fixed with the iron attracting part 12; three arc-shaped supporting parts 13 are arranged at the edge of the bottom surface of the supporting disc 1, the arc-shaped supporting parts 13 are circumferentially distributed at intervals, and the bottommost point of the arc-shaped supporting parts 13 is lower than the bottommost point of the iron attracting part 12; typically, the support disc 1 can be placed on a laboratory bench by means of an arc-shaped support 13.
In the test tube rack of the embodiment of the utility model, the outer edge of the fixed cover 5 is provided with the circular step 53, the circular step 53 and the assembly groove 51 are positioned on the same side of the fixed cover, and the circular step 53 is used for being in contact fit with the arc-shaped supporting part 13; when the annular magnet 52 of the fixed cover 5 is sucked with the iron sucking part 12 of the supporting disc 1, a gap 14 is formed between the fixed cover 5 and the supporting disc 1, and the gap 14 and the arc-shaped supporting part 13 are arranged in a circumferential staggered mode.
According to the test tube rack provided by the embodiment of the utility model, a plurality of test tubes can be placed through the supporting disc 1 and the limiting disc 2, and the test tubes are jointly limited and fixed by the placing groove 11 and the limiting through groove 21; referring to fig. 1, when the test tubes (default test tube covers and the same height) need to be shaken or oscillated, the fixed cover 5 can be sleeved on the periphery of the screw 4, and as the fixed cover 5 and the screw 4 are in clearance fit, the fixed cover 5 can move up and down along the screw 4, the fixed cover 5 covers the tops of the test tubes, then the limit nut 6 is screwed in the screw 4 until the limit nut 6 abuts against the fixed cover 5, at this time, each test tube on the test tube rack is fixed, and a tester can shake or oscillate the test tube rack fixed with the test tubes as a whole; referring to fig. 2, when the shaking and oscillating operations are not needed, in order to facilitate the access of the test tube, the limit nut 6 and the fixed cover 5 are sequentially taken out from the screw 4, then the fixed cover 5 is attracted to the bottom of the supporting disc 1 by using the magnet, so that the fixed cover 5 and the fixed cover 5 are used as an integral supporting base, the limit nut 6 can be screwed into the screw 4 again, the conditions that the fixed cover 5 and the limit nut 6 are used as discrete parts and are easy to lose and inconvenient to store are avoided, and the gap 14 between the fixed cover 5 and the supporting disc 1 can be used for conveniently pulling the fixed cover 5 and the fixed cover 5 apart from each other, so that the test tube has the advantage of convenient disassembly and assembly.
In the test tube rack of the embodiment of the utility model, the limiting through groove 21 is arranged at the edge of the limiting disc 2, the inner side wall of the limiting through groove 21 is in a circular arc shape, a notch is formed at the edge of the limiting disc 2, and the central angle of the inner side wall of the limiting through groove 21 is in the range of 240-300 degrees; so set up, can enough guarantee spacing effect of spacing logical groove 21, prevent that the test tube from breaking away from the breach, can make the experimenter can observe the whole vertically of test tube from the breach direction again, the better observation reaction process and the result of experimenter of being convenient for.
In the test tube rack of the embodiment of the utility model, one surface of the fixed cover 5 facing the limiting disc 2 is provided with the annular groove 54, the arrangement position of the annular groove 54 corresponds to the distribution position of the limiting through grooves 21, and the buffer cushion 55 is fixedly paved in the annular groove 54. The buffer pad 55 is provided to provide a certain buffer effect between the fixing cap and the test tube when the limit nut 6 is tightened, thereby preventing the test tube from being damaged due to excessive force.
In the test tube rack of the embodiment of the utility model, the limit nut 6 comprises the screwing ring 61 and the limit cylinder 62, the screwing ring 61 and the limit cylinder 62 are communicated by the same threaded hole, the outer diameter of the screwing ring 61 is larger than the outer diameter of the limit cylinder 62, and the screwing ring 61 is positioned at the top end of the limit cylinder 62; the fixed cover 5 is provided with the spacing groove towards limit nut 6's one side, and the spacing groove matches with the bottom of spacing section of thick bamboo 62. By this arrangement, the fixing cover 5 can be made more stable.
In summary, the test tube rack provided with the fixed cover can be used for placing a plurality of test tubes, and meanwhile, an experimenter can conveniently shake or oscillate the plurality of test tubes at one time, so that the operation efficiency is improved.
The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.
Claims (10)
1. The test tube rack provided with the fixed cover is characterized by comprising a supporting disc, a limiting disc, a fixed shaft, a screw rod, the fixed cover and a limiting nut; the supporting disc, the limiting disc and the fixing shaft are coaxially fixed, the supporting disc is positioned at the bottom end of the fixing shaft, and the limiting disc is positioned at the top end of the fixing shaft; the top surface of the supporting disc is provided with a plurality of placing grooves which are circumferentially distributed at intervals around the fixed shaft, the limiting disc is provided with a plurality of limiting through grooves, and the positions of the limiting through grooves are in one-to-one correspondence with the positions of the placing grooves; the screw rod is coaxially fixed with the fixed shaft and is positioned above the limiting disc; the fixed cover is annular, the periphery at the screw rod is established to the fixed cover, the inboard of fixed cover with the outside of screw rod constitutes clearance fit, stop nut with screw rod thread assembly to be in the top of fixed cover.
2. The test tube rack of claim 1, wherein the limit through groove is arranged at the edge of the limit disc, the inner side wall of the limit through groove is arc-shaped and forms a notch at the edge of the limit disc, and the central angle of the inner side wall of the limit through groove is in the range of 240 degrees to 300 degrees.
3. The rack of claim 1, wherein the stationary cover is circular and has a diameter greater than the diameter of the spacing disc.
4. The test tube rack of claim 3, wherein an annular groove is formed in one surface of the fixed cover, facing the limiting disc, and the annular groove is arranged at a position corresponding to the distribution position of the limiting through grooves, and a buffer pad is fixedly paved in the annular groove.
5. The test tube rack of claim 1, wherein the limit nut comprises a screwing ring and a limit cylinder, the screwing ring and the limit cylinder are communicated through a same threaded hole, the outer diameter of the screwing ring is larger than that of the limit cylinder, and the screwing ring is positioned at the top end of the limit cylinder.
6. The test tube rack of claim 5, wherein a limiting groove is formed in one surface of the fixing cover, facing the limiting nut, and the limiting groove is matched with the bottom end of the limiting cylinder.
7. The test tube rack of claim 1, wherein an assembly groove is formed in the middle of the fixing cover, an annular magnet is fixed in the assembly groove, and an iron attraction part is fixed in the middle of the bottom surface of the supporting disc.
8. The test tube rack of claim 7, wherein three arc-shaped supporting portions are arranged at the edge of the bottom surface of the supporting disc, the arc-shaped supporting portions are circumferentially distributed at intervals, and the bottommost point of the arc-shaped supporting portions is lower than the bottommost point of the iron suction portion.
9. The test tube rack of claim 8, wherein the outer side edge of the stationary cover is provided with a circular step on the same side of the stationary cover as the fitting recess, the circular step being for contact fit with the arc-shaped support portion.
10. The test tube rack of claim 9, wherein when the annular magnet of the fixed cover is attracted to the iron attracting portion of the supporting disc, a gap is formed between the fixed cover and the supporting disc, and the gap and the arc-shaped supporting portion are arranged in a circumferential staggered manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321875535.4U CN220345910U (en) | 2023-07-17 | 2023-07-17 | Test tube rack provided with fixed cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321875535.4U CN220345910U (en) | 2023-07-17 | 2023-07-17 | Test tube rack provided with fixed cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220345910U true CN220345910U (en) | 2024-01-16 |
Family
ID=89485265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321875535.4U Active CN220345910U (en) | 2023-07-17 | 2023-07-17 | Test tube rack provided with fixed cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220345910U (en) |
-
2023
- 2023-07-17 CN CN202321875535.4U patent/CN220345910U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |