Test tube rack

Abstract

The test tube rack comprises a base, a partition plate, a covering mechanism, a clamping mechanism and a first test tube groove, the partition plate is fixedly connected to the middle of the upper portion of the base, the covering mechanism used for covering test tubes of different heights is arranged on the outer side of the partition plate, and the clamping mechanism used for fixing the test tubes of different sizes is arranged on the surface of the base. A plurality of first test tube grooves are vertically formed in the surface of the partition plate, and the covering mechanism comprises a fixing frame, a top plate, a connector, a rotating head, a positioning assembly and a jacking assembly. According to the test tube rack provided by the utility model, through the structural design of the covering mechanism, a test tube needing to be fixed can be placed on the inner side of the first test tube groove when the test tube rack is used, and when the top plate covers the top of the test tube, the movable seat below the test tube pushes the test tube upwards, so that the top of the test tube is always in contact with the top plate; therefore, the test tube is prevented from shaking up and down, and the applicability of the device is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of food inspection, in particular to a test tube rack. Background Art

[0002] After food processing, it is necessary to sample and test the processed food to determine whether the processed food meets the qualified standards. The test samples are stored in test tubes, and the test tubes are stored by a test tube rack.

[0003] For example, the Chinese utility model patent (CN221514585U) discloses a test tube rack for food inspection, which records: "The display screen can be received into the base, and the display screen can be protected to avoid the situation that the display screen is toppled and damaged during the handling of the device", and also records: "By setting a cover plate, after the sampling is completed, the cover plate is slid to the top of the test tube to completely cover the opening end of the test tube, preventing the test tube from shaking during handling, resulting in the test tube hitting the test tube rack and breaking; at the same time, after the test tube is cleaned and installed back into the test tube rack, the cover plate is slid to the top of the test tube to partially cover the opening end of the test tube, and then the test tube rack is placed upside down to dry the residual cleaning water stains in the test tube, and the cover plate supports the test tube, which can prevent the test tube from sliding out of the test tube rack and avoid damaging the test tube" technical problems.

[0004] In summary, it can be seen that the following technical problems exist in the prior art: The test tube rack in the above patent protects the test tube by covering the surface of the test tube with a cover plate. However, because there are many types of test tubes, it is difficult for shorter test tubes to come into contact with the cover plate when covering different test tubes, which in turn causes the test tube to shake up and down, affecting the stability of the device. Therefore, this application proposes a test tube rack to provide a new technical solution to solve the technical problems mentioned in the above patent. Summary of the Utility Model

[0005] Based on this, in view of the above technical problems, it is necessary to provide a test tube rack. Through the structural design of the covering mechanism, when in use, the test tube to be fixed can be placed inside the first test tube slot. When the top plate covers the top of the test tube, the movable seat below the test tube will push the test tube upward, so as to ensure that the top of the test tube always contacts the top plate, thereby preventing the test tube from shaking up and down and effectively improving the applicability of the device.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] A test tube rack is applied to food inspection and testing.

[0008] The test tube rack specifically includes: a base, a partition, a covering mechanism, a clamping mechanism, and a first test tube groove. A partition is fixedly connected to the middle of the upper part of the base. A covering mechanism for covering test tubes of different heights is arranged outside the partition. A clamping mechanism for fixing test tubes of different sizes is arranged on the surface of the base. A plurality of first test tube grooves are vertically formed on the surface of the partition;

[0009] The covering mechanism includes a fixing frame, a top plate, a connecting head, a rotating head, a positioning component, and a lifting component. Fixing frames are fixedly connected to both ends of the partition above the base. A top plate is arranged above the fixing frames. A connecting head is fixedly connected to the outside of the top plate. A rotating head is rotatably connected to the outside of the fixing frame at a position corresponding to the connecting head. The rotating head is snap-connected to the connecting head.

[0010] As a preferred embodiment of the test tube rack provided by the present invention, the positioning component includes a pressing plate, a threaded rod, and a first knob. A pressing plate is slidably connected to the inside of the rotating head. Both ends of the pressing plate extend to the outside of the rotating head and are in close contact with the surface of the connecting head. A threaded rod is rotatably connected to the middle of the rotating head. The pressing plate is threadedly connected to the threaded rod. A first knob is rotatably connected to the outside of the rotating head. The first knob is fixedly connected to the threaded rod.

[0011] As a preferred embodiment of the test tube rack provided by the present invention, the lifting component includes a movable seat, a spring, a first chute, and a sliding rod. A movable seat is arranged outside the partition at a position corresponding to the first test tube groove. A sliding rod is fixedly connected to the outside of the movable seat. A first chute is formed on the surface of the partition at a position corresponding to the sliding rod. The sliding rod is slidably connected to the first chute. A spring is arranged below the movable seat. The upper and lower ends of the spring are respectively fixedly connected to the movable seat and the base.

[0012] As a preferred embodiment of the test tube rack provided by the present invention, the clamping mechanism includes a sliding strip, a second chute, a second test tube groove guiding component, and a driving component. Sliding strips are horizontally arranged on both sides of the partition. Second chutes are formed on the surface of the fixing frame at positions corresponding to the sliding strips. The ends of the sliding strips are slidably connected to the fixing frame through the second chutes. Second test tube grooves are formed on the surface of the sliding strips at positions corresponding to the first test tube grooves.

[0013] As a preferred embodiment of the test tube rack provided by the present utility model, the guiding assembly includes a third sliding groove, a connecting rod, and a traction rod. A connecting rod is fixedly connected below the end of the sliding strip. The connecting rod extends downward into the interior of the base. A third sliding groove is formed on the surface of the base at a position corresponding to the connecting rod. The connecting rod is slidably connected to the base through the third sliding groove. One end of the connecting rod extending into the interior of the base is fixedly connected to a traction rod.

[0014] As a preferred embodiment of the test tube rack provided by the present utility model, the driving assembly includes a rotating shaft, a second knob, a worm, a worm gear, a swinging rod, a guiding groove, and a convex column. A rotating shaft is horizontally rotatably connected inside the base. A second knob is rotatably connected at a position corresponding to the rotating shaft on the outside of the base. The second knob is fixedly connected to the rotating shaft. A worm is fixedly connected to the surface of the rotating shaft. Worm gears are arranged on both sides of the worm. The worm gears are rotatably connected to the base. A swinging rod is fixedly connected to the outside of the worm gears. A guiding groove is formed on the surface of the swinging rod. A convex column is slidably connected to the inside of the guiding groove. The convex column is fixedly connected to one end of the traction rod away from the connecting rod.

[0015] Compared with the prior art, the present utility model has the following beneficial effects:

[0016] For the test tube rack provided by the present utility model, through the structural design of the covering mechanism, when in use, the test tubes to be fixed can be placed inside the first test tube slots. When the top plate covers the tops of the test tubes, the movable seats below the test tubes will push the test tubes upward, thereby ensuring that the tops of the test tubes are always in contact with the top plate, and further preventing the test tubes from shaking up and down, effectively improving the applicability of the device.

[0017] For the test tube rack provided by the present utility model, through the structural design of the clamping mechanism, when in use, the second knob can be continuously rotated according to the size of the test tubes, so that the sliding strips on both sides of the partition move along the direction of the second sliding groove and clamp and fix the test tubes arranged inside the first test tube slots, effectively improving the practicality and working efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the solutions in the present utility model, the following will briefly introduce the drawings required for description in the embodiments. Obviously, the following drawings are some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0019] Figure 1 It is the overall structural schematic diagram of the test tube rack provided by the present utility model;

[0020] Figure 2Schematic diagram of the structure of the test tube rack fixing bracket and the top plate provided by the present utility model;

[0021] Figure 3 Schematic diagram of the structure of the test tube rack partition and the sliding bar provided by the present utility model;

[0022] Figure 4 Schematic diagram of the structure of the test tube rack movable seat and the spring provided by the present utility model;

[0023] Figure 5 Internal structure sectional view of the test tube rack rotating head provided by the present utility model;

[0024] Figure 6 Schematic diagram of the structure of the third chute and the connecting rod of the test tube rack provided by the present utility model;

[0025] Figure 7 Internal structure sectional view of the test tube rack base provided by the present utility model;

[0026] Figure 8 Test tube rack provided by the present utility model Figure 7 Enlarged view of the structure at position A.

[0027] Explanation of the markings in the figure is as follows:

[0028] 1. Base; 2. Partition; 3. Covering mechanism; 4. Clamping mechanism; 5. First test tube slot; 6. Fixing bracket; 7. Top plate; 8. Connector; 9. Rotating head; 10. Movable seat; 11. Spring; 12. First chute; 13. Slide bar; 14. Sliding bar; 15. Second chute; 16. Pressing plate; 17. Threaded rod; 18. First knob; 19. Second test tube slot; 20. Third chute; 21. Connecting rod; 22. Rotating shaft; 23. Second knob; 24. Worm; 25. Worm gear; 26. Swing rod; 27. Guide slot; 28. Traction rod; 29. Convex column. Detailed implementation manners

[0029] In order to enable those skilled in the art to better understand the solution of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0030] As described in the background art, the test tube rack in the above patent protects the test tubes by covering the surfaces of the test tubes with a cover plate. However, since there are many types of test tubes, it is difficult for shorter test tubes to come into contact with the cover plate when covering different test tubes, resulting in the test tubes shaking up and down, thus affecting the stability of the device.

[0031] To solve this technical problem, the present utility model provides a test tube rack, which is applied to food inspection and testing.

[0032] Specifically, please refer to Figures 1 - 8 , the test tube rack specifically includes:

[0033] A base 1, a partition 2, a covering mechanism 3, a clamping mechanism 4, and a first test tube groove 5. A partition 2 is fixedly connected to the middle of the upper part of the base 1. A covering mechanism 3 for covering test tubes of different heights is arranged outside the partition 2. A clamping mechanism 4 for fixing test tubes of different sizes is arranged on the surface of the base 1. A plurality of first test tube grooves 5 are vertically opened on the surface of the partition 2;

[0034] The covering mechanism 3 includes a fixing frame 6, a top plate 7, a connecting head 8, a rotating head 9, a positioning component, and a lifting component. Fixing frames 6 are fixedly connected to both ends of the partition 2 above the base 1. A top plate 7 is arranged above the fixing frames 6. A connecting head 8 is fixedly connected to the outside of the top plate 7. A rotating head 9 is rotatably connected to the outside of the fixing frame 6 at a position corresponding to the connecting head 8, and the rotating head 9 is snap-connected to the connecting head 8.

[0035] For the test tube rack provided by the present utility model, through the structural design of the covering mechanism 3, when in use, the test tubes to be fixed can be placed inside the first test tube grooves 5. When the top plate 7 covers the tops of the test tubes, the movable seat 10 below the test tubes will push the test tubes upward, thus ensuring that the tops of the test tubes are always in contact with the top plate 7, and further preventing the test tubes from shaking up and down, effectively improving the applicability of the device.

[0036] To enable those skilled in the art to better understand the solution of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

[0037] Embodiment 1:

[0038] Please refer to Figures 1 - 5 , a test tube rack, which includes: a base 1, a partition 2, a covering mechanism 3, a clamping mechanism 4, and a first test tube groove 5. A partition 2 is fixedly connected to the middle of the upper part of the base 1. A covering mechanism 3 for covering test tubes of different heights is arranged outside the partition 2. A clamping mechanism 4 for fixing test tubes of different sizes is arranged on the surface of the base 1. A plurality of first test tube grooves 5 are vertically opened on the surface of the partition 2;

[0039] Specifically, the covering mechanism 3 includes a fixing frame 6, a top plate 7, a connecting head 8, a rotating head 9, a positioning component and a jacking component. Above the base 1 and at both ends of the partition 2, there are fixing frames 6 fixedly connected. Above the fixing frame 6, there is a top plate 7. On the outside of the top plate 7, there is a connecting head 8 fixedly connected. On the outside of the fixing frame 6 and at a position corresponding to the connecting head 8, there is a rotating head 9 rotatably connected. The rotating head 9 is snap-connected to the connecting head 8.

[0040] Furthermore, the positioning component includes a pressing plate 16, a threaded rod 17 and a first knob 18. Inside the rotating head 9, there is a pressing plate 16 slidably connected. Both ends of the pressing plate 16 extend to the outside of the rotating head 9 and are in close contact with the surface of the connecting head 8. In the middle of the rotating head 9, there is a threaded rod 17 rotatably connected. The pressing plate 16 is threadedly connected to the threaded rod 17. On the outside of the rotating head 9, there is a first knob 18 rotatably connected. The first knob 18 is fixedly connected to the threaded rod 17.

[0041] It can be seen that during use, the first knob 18 can be rotated to drive the threaded rod 17 to rotate and separate the pressing plate 16 from the connecting head 8, thereby releasing the position limit of the connecting head 8 and the rotating head 9. Then, by flipping the rotating head 9 outwards, the top plate 7 can be removed.

[0042] Furthermore, the jacking component includes a movable seat 10, a spring 11, a first chute 12 and a sliding rod 13. On the outside of the partition 2 and at a position corresponding to the first test tube slot 5, there is a movable seat 10. On the outside of the movable seat 10, there is a sliding rod 13 fixedly connected. On the surface of the partition 2 and at a position corresponding to the sliding rod 13, there is a first chute 12 opened. The sliding rod 13 is slidably connected to the first chute 12. Below the movable seat 10, there is a spring 11. The upper and lower ends of the spring 11 are respectively fixedly connected to the movable seat 10 and the base 1.

[0043] It can be seen that during use, first remove the top plate 7, and place the test tube into the device along the direction of the first test tube slot 5 and make contact with the movable seat 10. At this time, reinstall the top plate 7 through the positioning component. At this time, the test tube will move upwards along the first chute 12 under the elastic push of the spring 11 below the movable seat 10, and then make contact with the top plate 7, ensuring that the top of the test tube is always in contact with the top plate 7, thereby preventing the test tube from shaking up and down and effectively improving the applicability of the device.

[0044] Embodiment 2:

[0045] Further optimize the test tube rack provided in Embodiment 1. Specifically, as Figures 3 - 8As shown in the figure, further, the clamping mechanism 4 includes a sliding bar 14, a second chute 15, a second test tube slot 19, a guiding component and a driving component. Sliding bars 14 are horizontally arranged on both sides of the partition plate 2. Second chutes 15 are provided on the surface of the fixing frame 6 at positions corresponding to the sliding bars 14. The ends of the sliding bars 14 are slidably connected to the fixing frame 6 through the second chutes 15. Second test tube slots 19 are provided at positions corresponding to the first test tube slot 5 on the surface of the sliding bars 14.

[0046] Further, the guiding component includes a third chute 20, a connecting rod 21 and a traction rod 28. A connecting rod 21 is fixedly connected below the end of the sliding bar 14. The connecting rod 21 extends downward into the interior of the base 1. A third chute 20 is provided on the surface of the base 1 at a position corresponding to the connecting rod 21. The connecting rod 21 is slidably connected to the base 1 through the third chute 20. One end of the connecting rod 21 extending into the interior of the base 1 is fixedly connected to a traction rod 28.

[0047] Further, the driving component includes a rotating shaft 22, a second knob 23, a worm 24, a worm gear 25, a swing rod 26, a guiding groove 27 and a convex column 29. A rotating shaft 22 is horizontally rotatably connected inside the base 1. A second knob 23 is rotatably connected to the outside of the base 1 at a position corresponding to the rotating shaft 22. The second knob 23 is fixedly connected to the rotating shaft 22. A worm 24 is fixedly connected to the surface of the rotating shaft 22. Worm gears 25 are arranged on both sides of the worm 24. The worm gears 25 are rotatably connected to the base 1. A swing rod 26 is fixedly connected to the outside of the worm gears 25. A guiding groove 27 is provided on the surface of the swing rod 26. A convex column 29 is slidably connected to the inside of the guiding groove 27. The convex column 29 is fixedly connected to one end of the traction rod 28 away from the connecting rod 21.

[0048] It can be known that after the test tube is placed inside the first test tube slot 5, the second knob 23 can be rotated to drive the rotating shaft 22 to rotate, and then the worm 24 rotates synchronously, causing the swing rod 26 fixed thereto to rotate. While the swing rod 26 rotates, it drives the convex column 29 inside the guiding groove 27 to pull the traction rod 28 and the connecting rod 21 through the cooperation of the guiding groove 27. Thus, the guiding groove 27 together with the sliding bar 14 fixed thereto moves along the directions of the second chute 15 and the third chute 20, so that the second test tube slot 19 on the surface of the sliding bar 14 contacts the test tube inside the first test tube slot 5 and clamps and fixes it, effectively improving the practicability and working efficiency of the device.

Claims

1. A test tube rack, characterized in that: include: A base (1), a partition (2), a covering mechanism (3), a clamping mechanism (4) and a first test tube slot (5), wherein the partition (2) is fixedly connected to the middle of the upper part of the base (1), the covering mechanism (3) for covering test tubes of different heights is arranged on the outer side of the partition (2), the clamping mechanism (4) for fixing test tubes of different sizes is arranged on the surface of the base (1), and a plurality of first test tube slots (5) are vertically opened on the surface of the partition (2); The covering mechanism (3) comprises a fixed frame (6), a top plate (7), a connecting head (8), a rotating head (9), a positioning assembly and a lifting assembly; a fixed frame (6) is fixedly connected above the base (1) and at both ends of the partition (2); a top plate (7) is arranged above the fixed frame (6); a connecting head (8) is fixedly connected to the outer side of the top plate (7); a rotating head (9) is rotatably connected to the outer side of the fixed frame (6) and at a position corresponding to the connecting head (8); the rotating head (9) is snap-fitted and connected to the connecting head (8).

2. The test tube rack according to claim 1, characterized in that: The positioning assembly comprises a pressure plate (16), a threaded rod (17) and a first knob (18); the inner side of the rotating head (9) is slidably connected to the pressure plate (16); the two ends of the pressure plate (16) extend to the outer side of the rotating head (9) and fit tightly with the surface of the connecting head (8); the middle part of the rotating head (9) is rotatably connected to the threaded rod (17); the pressure plate (16) and the threaded rod (17) are threadedly connected; the outer side of the rotating head (9) is rotatably connected to the first knob (18); the first knob (18) is fixedly connected to the threaded rod (17).

3. The test tube rack according to claim 1, characterized in that: The lifting assembly comprises a movable seat (10), a spring (11), a first slide groove (12) and a slide rod (13); the movable seat (10) is arranged on the outer side of the partition (2) and at a position corresponding to the first test tube groove (5); the outer side of the movable seat (10) is fixedly connected with the slide rod (13); the surface of the partition (2) and at a position corresponding to the slide rod (13) is provided with a first slide groove (12); the slide rod (13) is slidably connected with the first slide groove (12); a spring (11) is arranged below the movable seat (10); the upper and lower ends of the spring (11) are fixedly connected with the movable seat (10) and the base (1) respectively.

4. The test tube rack according to claim 1, characterized in that: The clamping mechanism (4) comprises a sliding bar (14), a second sliding groove (15), a second test tube slot (19) guide assembly and a driving assembly. The sliding bars (14) are arranged transversely on both sides of the partition (2). The second sliding groove (15) is provided on the surface of the fixed frame (6) at a position corresponding to the sliding bar (14). The end of the sliding bar (14) is slidably connected to the fixed frame (6) through the second sliding groove (15). The second test tube slot (19) is provided on the surface of the sliding bar (14) at a position corresponding to the first test tube slot (5).

5. The test tube rack according to claim 4, characterized in that: The guide assembly comprises a third slide groove (20), a connecting rod (21) and a traction rod (28); a connecting rod (21) is fixedly connected to the lower end of the sliding bar (14); the connecting rod (21) extends downward to the inside of the base (1); a third slide groove (20) is provided on the surface of the base (1) at a position corresponding to the connecting rod (21); the connecting rod (21) is slidably connected to the base (1) via the third slide groove (20); and one end of the connecting rod (21) extending to the inside of the base (1) is fixedly connected to the traction rod (28).

6. The test tube rack according to claim 5, characterized in that: The driving assembly comprises a rotating shaft (22), a second knob (23), a worm (24), a worm wheel (25), a swing rod (26), a guide groove (27) and a boss (29); the interior of the base (1) is laterally rotatably connected with the rotating shaft (22); the outer side of the base (1) is rotatably connected with the second knob (23) at a position corresponding to the rotating shaft (22); the second knob (23) is fixedly connected to the rotating shaft (22); the surface of the rotating shaft (22) is fixedly connected with the worm (24); worm wheels (25) are provided on both sides of the worm (24); the worm wheel (25) is rotatably connected to the base (1); the outer side of the worm wheel (25) is fixedly connected with the swing rod (26); the surface of the swing rod (26) is provided with a guide groove (27); the inner side of the guide groove (27) is slidably connected with a boss (29); the boss (29) is fixedly connected to an end of the traction rod (28) away from the connecting rod (21).

Images