CN216419494U

CN216419494U - Medical science inspection test-tube rack

Info

Publication number: CN216419494U
Application number: CN202123218945.5U
Authority: CN
Inventors: 刘萍丽; 张丽; 余梦思; 李海侠; 苏娜
Original assignee: First Affiliated Hospital of Xinjiang Medical University
Current assignee: First Affiliated Hospital of Xinjiang Medical University
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-05-03
Anticipated expiration: 2031-12-20

Abstract

The application discloses a medical examination test tube rack, which comprises a cross frame and a height adjusting mechanism, wherein the left side of the outer wall of the cross frame is fixedly connected with the bottom end of the right side of the outer wall of a vertical frame; the height adjusting mechanism comprises a connecting plate, the left side of the connecting plate is slidably sleeved and penetrates through the center of the side wall of the right side of the vertical frame, the left side of the connecting plate is fixedly connected with the center of the right side of the lifting plate, and the lifting plate is slidably sleeved in the inner cavity of the vertical frame. Drive the driving shaft through rotating the turning block and rotate, the driving shaft drives second bevel gear and rotates, rotate thereupon with second bevel gear meshing complex first bevel gear, first bevel gear drives the driven shaft and rotates, the driven shaft drives the threaded rod and rotates, with threaded rod screw-thread fit's lifter plate remove along the threaded rod direction under the restriction of erecting the frame, make the lifter plate drive a plurality of annular plates through the connecting plate and remove in vertical direction, make the annular plate remove to the height of cooperation test tube size, thereby conveniently adapt to not unidimensional test tube and support it.

Description

Medical science inspection test-tube rack

Technical Field

The application relates to the field of medical inspection, in particular to a medical inspection test tube rack.

Background

The test tube is a common instrument for biological and chemical laboratories, is used as a reaction container for a small amount of reagents, is used at normal temperature or during heating, is convenient to use, is widely used in hospitals, inspection institutions and the like, and is popular among wide medical staff.

The inconvenient not unidimensional test tube of placing of current test-tube rack causes the practicality of test-tube rack relatively poor, current test-tube rack simultaneously, and the test-tube rack is usually with test tube opening place perpendicularly up, leads to the in vitro dust that falls into easily, influences the accuracy of inspection. Therefore, a medical test tube rack is provided for solving the problems.

Disclosure of Invention

The medical science inspection test-tube rack is provided in this embodiment for solving the problem that the test-tube rack among the prior art is inconvenient to place the not unidimensional test tube.

According to one aspect of the application, a medical examination test tube rack is provided, which comprises a cross frame and a height adjusting mechanism, wherein the left side of the outer wall of the cross frame is fixedly connected with the bottom end of the right side of the outer wall of a vertical frame;

height adjusting mechanism includes the connecting plate, the sliding cup joint in connecting plate left side just runs through erects a right side lateral wall center department, just connecting plate left side fixed connection lifter plate right side center department, the lifter plate slides and cup joints at erects a inner chamber, lifter plate center department screw thread cup joints at the threaded rod outer wall, threaded rod top is rotated and is connected erects a top center department of inner wall, threaded rod bottom fixed connection driven shaft top, driven shaft bottom is rotated and is connected erects a bottom center department, driven shaft outer wall is fixed cup joints first bevel gear, first bevel gear is at left side meshing cooperation second bevel gear, the fixed cover of second bevel gear is connected at the driving shaft right-hand member, the driving shaft left end is rotated and is cup jointed and run through erects a left side lateral wall below center department, driving shaft left end fixed connection turning block right side center department.

Further, a plurality of standing grooves are evenly inlayed at the crossbearer top end center and are a plurality of fixedly connected supporting bench outer wall bottom, and the standing groove inner wall is filled respectively with the cushion.

Further, a plurality of annular slab outer wall left sides of the even fixed connection in connecting plate right side, it is a plurality of the annular slab is linear arrangement, just the annular slab inner chamber is equipped with two arc splint, two a plurality of spring one end of fixed connection, it is a plurality of respectively in both sides about the arc splint outer wall the spring other end is even fixed connection annular slab inner wall respectively.

Furtherly, the vertical spout that has inlayed respectively of annular plate inner wall left and right sides top is two go up chute inner chamber sliding sleeve respectively connects the top shoe, two one side that the top shoe is close to arc splint rotates respectively to connect and connects bull stick one end, two the bull stick other end rotates respectively and connects one side top center department that two arc splint kept away from each other.

Further, the annular plate inner wall left and right sides below is vertical respectively to have inlayed down spout, two lower spout inner chamber slides respectively and cup joints down the slider, two one side that the lower slider is close to arc splint rotates respectively to be connected down bull stick one end, two the lower bull stick other end rotates respectively to be connected one side below center department that two arc splint kept away from each other.

Furtherly, connecting plate top fixed connection riser bottom, riser top right side is rotated and is connected a plurality of rotor plate bottom right sides, and is a plurality of rotor plate right side center department is fixed connection apron one side respectively.

Further, it is a plurality of connecting plate left side below center department is the protruding button of fixed connection magnetic force respectively, and is a plurality of the protruding button of magnetic force is respectively through the concave button of magnetic force, and is a plurality of the concave button of magnetic force is even level respectively and inlays on the limiting plate right side, limiting plate bottom fixed connection riser top left side.

Furthermore, the centers of the upper parts of the left sides of the connecting plates are fixedly connected with one side of the pull ring respectively.

Further, the number of the cover plates is equal to the number of the annular plates, and the number of the annular plates is equal to the number of the placing grooves.

Furthermore, a plurality of the cover plates are respectively positioned right above the annular plates, and a plurality of the annular plates are respectively positioned right above the placing grooves.

Through the above-mentioned embodiment of this application, adopted high adjustment mechanism, solved the inconvenient problem of placing not unidimensional test tube of test-tube rack, improved the practicality of test-tube rack.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall perspective view of an embodiment of the present application;

FIG. 2 is a schematic diagram of the overall internal structure of an embodiment of the present application;

FIG. 3 is an enlarged view of a portion of the structure of FIG. 2 according to an embodiment of the present disclosure;

FIG. 4 is a top view of a ring plate attachment structure according to one embodiment of the present application.

In the figure: 1. a cross frame; 2. a first bevel gear; 3. a driven shaft; 4. a second bevel gear; 5. a drive shaft; 6. rotating the block; 7. erecting; 8. a threaded rod; 9. a lifting plate; 10. a connecting plate; 11. a vertical plate; 12. an upper rotating rod; 13. an upper chute; 14. an upper slide block; 15. an annular plate; 16. an arc-shaped splint; 17. a lower rotating rod; 18. a lower chute; 19. a lower slide block; 20. a placement groove; 21. a soft cushion; 22. a support table; 23. a pull ring; 24. a rotating plate; 25. a cover plate; 26. a magnetic concave button; 27. a magnetic force knob; 28. a limiting plate; 29. a spring.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The test tube rack in this embodiment can be applicable to various test tubes, for example, the following test tube is provided in this embodiment, and the test tube rack in this embodiment can be used for placing the following test tube.

The test tube comprises a test tube body, wherein the test tube body comprises a test tube body and a liquid storage tank; the upper part of the liquid storage tank is cylindrical, the lower part of the liquid storage tank is in a circular truncated cone shape with a large upper part and a small lower part, and the inner side of the liquid storage tank is communicated with the inner part of the test tube body; the radius of the outer wall of the cylindrical part of the liquid storage tank is larger than that of the outer wall of the test tube body, and the radius of the inner wall of the liquid storage tank is also larger than that of the outer wall of the test tube body; the inner radius and the outer radius of the upper bottom surface of the circular truncated cone-shaped part of the liquid storage tank are respectively consistent with the inner radius and the outer radius of the cylindrical part of the liquid storage tank, and the inner radius and the outer radius of the lower bottom surface are respectively consistent with the inner radius and the outer radius of the test tube body. When the adjustable trace pipetting gun is needed to absorb a small amount of sample liquid in the test tube, the test tube of the utility model flows the sample liquid into the liquid storage tank through proper inclination, at the moment, the gun head of the trace pipetting gun can go deep into the liquid storage tank to absorb the sample liquid, and the amount of the sample liquid flowing into the liquid storage tank can be controlled by adjusting the inclination of the test tube of the utility model, thereby realizing that the adjustable trace pipetting gun can absorb enough sample liquid; the circular truncated cone shape of the liquid storage tank with the large upper part and the small lower part avoids sample liquid loss caused by more sample liquid remaining in the liquid storage tank after the adjustable micro-pipetting gun sucks the sample liquid; the radius of the outer wall of the cylindrical part of the liquid storage tank is larger than the radius of the test tube clamp clamped at the test tube body, so that the test tube falling caused by the infirm clamping of the test tube clamp is effectively avoided. It is worth noting that the radius of the liquid storage tank is large, and the liquid storage tank needs to be placed on a column type test tube rack when being inverted and aired. The embodiments set forth several preferred features based on the embodiments, which can be selected from one or more of them to be combined with them to form a plurality of new and different technical solutions. Further, foretell test tube still includes the frosting, the cylindric partial outer wall processing of reservoir is the frosting. The frosted surface can be used as a mark place of the mark pen on the test tube body, so that ink marks on the mark pen cannot be easily wiped off due to hand contact; the frosted surface increases the surface friction force and can avoid slipping. Further, in the test tube described above, the frosted surface has a mark, and the mark is located right below the only gap of the notch girdle (the notch girdle is only provided with a gap at the position corresponding to the first protrusion) and is used for identifying the position where the first protrusion of the test tube cap should be located when the cap is opened and closed. Further, foretell test tube still includes the breach clitellum, test tube cap inside has first arch, second arch and third arch.

The test tube is a Chinese utility model patent (application number: CN 202020229897.6). Wherein, can place the test tube in the above-mentioned patent with the test-tube rack in this application.

Of course, the present embodiment can be used for placing test tubes with other structures. This no longer gives unnecessary details, introduces the test-tube rack of this application embodiment below.

Referring to fig. 1-4, the medical examination test tube rack comprises a cross frame 1 and a height adjusting mechanism, wherein the left side of the outer wall of the cross frame 1 is fixedly connected with the bottom end of the right side of the outer wall of a vertical frame 7;

the height adjusting mechanism comprises a connecting plate 10, the left side of the connecting plate 10 is sleeved in a sliding way and penetrates through the center of the side wall of the right side of the vertical frame 7, the left side of the connecting plate 10 is fixedly connected with the center of the right side of the lifting plate 9, the lifting plate 9 is sleeved in the inner cavity of the vertical frame 7 in a sliding way, the center of the lifting plate 9 is in threaded sleeve connection with the outer wall of the threaded rod 8, the top end of the threaded rod 8 is rotatably connected with the center of the top end of the inner wall of the vertical frame 7, the bottom end of the threaded rod 8 is fixedly connected with the top end of the driven shaft 3, the bottom end of the driven shaft 3 is rotatably connected with the center of the bottom end of the inner wall of the vertical frame 7, the outer wall of the driven shaft 3 is fixedly sleeved with a first bevel gear 2, the left side of the first bevel gear 2 is engaged with a second bevel gear 4, the second bevel gear 4 is fixedly sleeved at the right end of the driving shaft 5, the left end of the driving shaft 5 is rotatably sleeved and penetrates through the center of the lower portion of the left side wall of the vertical frame 7, and the left end of the driving shaft 5 is fixedly connected with the center of the right side of the rotating block 6.

The center of the top end of the transverse frame 1 is fixedly connected with the bottom end of the outer wall of a supporting table 22, a plurality of placing grooves 20 are uniformly embedded at the top end of the supporting table 22, the placing grooves 20 are linearly arranged, the inner walls of the placing grooves 20 are respectively filled with a cushion 21 to limit and protect the bottom of a test tube, the right side of the connecting plate 10 is uniformly and fixedly connected with the left sides of the outer walls of a plurality of annular plates 15, the annular plates 15 are linearly arranged, the inner cavities of the annular plates 15 are respectively provided with two arc-shaped clamping plates 16, the left sides and the right sides of the outer walls of the two arc-shaped clamping plates 16 are respectively and fixedly connected with one ends of a plurality of springs 29, the other ends of the springs 29 are respectively and uniformly and fixedly connected with the inner walls of the annular plates 15 to limit and protect the upper parts of the test tube, the upper sliding grooves 13 are respectively vertically embedded above the left sides and the inner cavities of the inner walls of the annular plates 15, and the upper sliding sleeves are respectively connected with the sliding blocks 14, one side of the two upper sliding blocks 14 close to the arc-shaped clamping plates 16 is respectively rotated to connect one end of an upper rotating rod 12, the other ends of the two upper rotating rods 12 are respectively rotated to connect one upper center of the two arc-shaped clamping plates 16 far away from each other, lower sliding grooves 18 are respectively vertically embedded below the left side and the right side of the inner wall of the annular plate 15, inner cavities of the two lower sliding grooves 18 are respectively slidably sleeved with lower sliding blocks 19, one side of the two lower sliding blocks 19 close to the arc-shaped clamping plates 16 is respectively rotatably connected with one end of a lower rotating rod 17, the other ends of the two lower rotating rods 17 are respectively rotatably connected with one lower center of the two arc-shaped clamping plates 16 far away from each other to limit the moving direction of the arc-shaped clamping plates 16, the top end of the connecting plate 10 is fixedly connected with the bottom end of a vertical plate 11, the right side of the top end of the vertical plate 11 is rotatably connected with the right sides of the bottoms of a plurality of rotating plates 24, and the centers of the right sides of the plurality of the rotating plates 24 are respectively fixedly connected with one side of a cover plate 25, be convenient for shelter from the test tube top, it is a plurality of connecting plate 10 left side below center department is the protruding button 27 of fixed connection magnetic force respectively, and is a plurality of the protruding button 27 of magnetic force is respectively through the concave button 26 of magnetic force connection magnetic force, and is a plurality of the concave button 26 of magnetic force is even level respectively and inlays on the limiting plate 28 right side, 11 top left sides of limiting plate 28 bottom fixed connection riser, the fixed rotor plate 24 of being convenient for, and is a plurality of connecting plate 10 left side top center department is fixed connection pull ring 23 one side respectively, is convenient for through pulling pull ring 23 control rotor plate 24's rotation, apron 25 quantity equals annular plate 15 quantity, annular plate 15 quantity equals standing groove 20 quantity, and is a plurality of apron 25 is located annular plate 15 respectively directly over, and is a plurality of annular plate 15 is located directly over standing groove 20 respectively, and convenient support and protection to the test tube is holistic.

When the utility model is used, the electric elements appearing in the application are externally connected with a power supply and a control switch when in use, the turning block 6 is rotated to drive the driving shaft 5 to rotate, the driving shaft 5 drives the second bevel gear 4 to rotate, the first bevel gear 2 meshed and matched with the second bevel gear 4 rotates along with the first bevel gear, the first bevel gear 2 drives the driven shaft 3 to rotate, the driven shaft 3 drives the threaded rod 8 to rotate, the lifting plate 9 in threaded fit with the threaded rod 8 moves along the direction of the threaded rod 8 under the limitation of the vertical frame 7, the lifting plate 9 drives the plurality of annular plates 15 to move in the vertical direction through the connecting plate 10, the annular plates 15 move to the height matched with the size of the test tube, thereby being convenient to adapt to the test tubes with different sizes to support the test tubes, the pull ring 23 is pulled to drive the turning plate 24 to rotate, thereby controlling the vertical or horizontal placement of the turning plate 24, when the rotating block 6 is vertically placed, the rotating block 6 is fixed through the connection of the magnetic convex button 27 and the magnetic concave button 26, a test tube is convenient to take from the upper side, when the square rotating block 6 is horizontally placed, the rotating block 6 drives the cover plate 25 to be lapped on the top end of the test tube through self gravity, the shielding of the opening of the test tube is realized, impurities are prevented from entering the test tube, the accuracy of a liquid inspection result in the test tube is ensured, and the rotating plates 24 are mutually independent, so that the independent test tube is convenient to take and place, the bottom of the test tube is convenient to limit through the arrangement of the placing groove 20 and the cushion 21, and the cushion 21 ensures that the bottom end of the test tube is not damaged, through the arrangement of the arc-shaped clamping plate 16 and the spring 29, the upper side of the test tube is convenient to limit, certain elasticity is ensured, the buffer protection of the test tube is increased, and through the mutual matching of the upper rotating rod 12 and the lower rotating rod 17, the upper slide block 14 slides in the upper slide groove 13, and the lower slide block 19 slides in the lower slide groove 18, so that the arc-shaped clamp plate 16 is limited from moving in the vertical direction, and the test tube is further prevented from shaking up and down.

The application has the advantages that:

1. the test tube lifting device is simple to operate, the rotating block is rotated to drive the driving shaft to rotate, the driving shaft drives the second bevel gear to rotate, the first bevel gear meshed with the second bevel gear rotates along with the second bevel gear, the first bevel gear drives the driven shaft to rotate, the driven shaft drives the threaded rod to rotate, the lifting plate in threaded fit with the threaded rod moves along the direction of the threaded rod under the limitation of the vertical frame, the lifting plate drives the plurality of annular plates to move in the vertical direction through the connecting plate, and the annular plates move to the height matched with the size of a test tube, so that the test tube lifting device is convenient to adapt to support test tubes of different sizes;

2. the test tube rack is reasonable in structure, the pull ring is pulled to drive the rotating plate to rotate, so that the rotating plate is controlled to be placed vertically or horizontally, when the rotating block is placed vertically, the magnetic convex button is connected with the magnetic concave button, fixing of the rotating block is achieved, a test tube is convenient to take from the upper side, when the square rotating block is placed horizontally, the rotating block drives the cover plate to be overlapped at the top end of the test tube through self gravity, shielding of the opening of the test tube is achieved, impurities are prevented from entering the test tube, accuracy of a liquid test result in the test tube is guaranteed, and the rotating plates are mutually independent, so that the single test tube is convenient to take and place;

3. this application is through being equipped with standing groove cooperation cushion, it is convenient spacing to the test tube bottom, and the cushion guarantees that the test tube bottom does not receive the damage, through being equipped with arc splint cooperation spring, it is convenient spacing to the top of test tube, and certain elasticity has been guaranteed, thereby increase the buffer protection to the test tube, the rethread is gone up the bull stick and is mutually supported of bull stick, make the top shoe slide in last spout, the lower slider slides in spout down, thereby it can not take place the removal of vertical direction to have restricted arc splint, further ensured that the test tube can not rock from top to bottom.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a medical science inspection test-tube rack which characterized in that: the left side of the outer wall of the transverse frame (1) is fixedly connected with the bottom end of the right side of the outer wall of the vertical frame (7);

the height adjusting mechanism comprises a connecting plate (10), the left side of the connecting plate (10) is in sliding sleeve joint and penetrates through the center of the right side wall of the vertical frame (7), the left side of the connecting plate (10) is fixedly connected with the center of the right side of the lifting plate (9), the lifting plate (9) is in sliding sleeve joint with the inner cavity of the vertical frame (7), the center of the lifting plate (9) is in threaded sleeve joint with the outer wall of a threaded rod (8), the top end of the threaded rod (8) is rotatably connected with the center of the top end of the inner wall of the vertical frame (7), the bottom end of the threaded rod (8) is fixedly connected with the top end of the driven shaft (3), the bottom end of the driven shaft (3) is rotatably connected with the center of the bottom end of the inner wall of the vertical frame (7), the outer wall of the driven shaft (3) is fixedly sleeved with a first bevel gear (2), the first bevel gear (2) is engaged with a second bevel gear (4) on the left side, and the second bevel gear (4) is fixedly sleeved at the right end of the driving shaft (5), the left end of the driving shaft (5) is rotatably sleeved and penetrates through the center of the lower portion of the side wall of the left side of the vertical frame (7), and the left end of the driving shaft (5) is fixedly connected with the center of the right side of the rotating block (6).

2. A medical test tube rack according to claim 1, wherein: the utility model discloses a cushion of building, including crossbearer (1) top center department fixed connection brace table (22) outer wall bottom, a plurality of standing groove (20) have evenly been inlayed on brace table (22) top, and are a plurality of standing groove (20) are linear arrangement, and are a plurality of standing groove (20) inner wall is filled respectively has cushion (21).

3. A medical test tube rack according to claim 1, wherein: the even fixed connection a plurality of annular slab (15) outer wall left sides in connecting plate (10) right side is a plurality of annular slab (15) is the inline, just annular slab (15) inner chamber is equipped with two arc splint (16), two respectively the arc splint (16) outer wall left and right sides is a plurality of spring (29) one end of fixed connection respectively, and is a plurality of spring (29) other end is even fixed connection annular slab (15) inner wall respectively.

4. A medical test tube rack according to claim 3, wherein: annular plate (15) inner wall left and right sides top is vertical respectively to have inlayed spout (13), two go up spout (13) inner chamber and slide bushing connect slider (14), two respectively one side that slider (14) are close to arc splint (16) rotates respectively to connect last bull stick (12) one end, two go up bull stick (12) other end and rotate respectively and connect the one side top center department that two arc splint (16) kept away from each other.

5. A medical test tube rack according to claim 3, wherein: annular plate (15) inner wall left and right sides below is vertical respectively to have inlayed down spout (18), two spout (18) inner chamber slides respectively down and cup joints down slider (19), two slider (19) are close to one side of arc splint (16) down and rotate respectively and connect down bull stick (17) one end, two down bull stick (17) other end rotates respectively and connects one side below center department that two arc splint (16) kept away from each other.

6. A medical test tube rack according to claim 1, wherein: connecting plate (10) top fixed connection riser (11) bottom, riser (11) top right side is rotated and is connected a plurality of rotor plates (24) bottom right side, and is a plurality of rotor plate (24) right side center department is fixed connection apron (25) one side respectively.

7. A medical test tube rack according to claim 6, wherein: it is a plurality of connecting plate (10) left side below center department is the protruding button of fixed connection magnetic force (27), and is a plurality of the protruding button of magnetic force (27) are respectively through the concave button of magnetic force (26), and are a plurality of the concave button of magnetic force (26) is even level respectively and is inlayed on limiting plate (28) right side, limiting plate (28) bottom fixed connection riser (11) top left side.

8. A medical test tube rack according to claim 6, characterized in that: the centers of the upper parts of the left sides of the connecting plates (10) are respectively and fixedly connected with one side of a pull ring (23).

9. A medical test tube rack according to claim 6, wherein: the number of the cover plates (25) is equal to the number of the annular plates (15), and the number of the annular plates (15) is equal to the number of the placing grooves (20).

10. A medical test tube rack according to claim 6, wherein: the cover plates (25) are respectively positioned right above the annular plates (15), and the annular plates (15) are respectively positioned right above the placing grooves (20).