Centrifugal tube explosion-proof clamp and explosion-proof clamp device

Abstract

The utility model provides a centrifuge tube explosion-proof clamp and an explosion-proof clamp device, the centrifuge tube explosion-proof clamp comprises an explosion-proof base plate, a first arc-shaped plate, a second arc-shaped plate and a limit plug-in assembly, the first arc-shaped plate and the second arc-shaped plate are arranged on the bottom of the explosion-proof base plate, and the limit plug-in assembly is arranged on the bottom of the explosion-proof base plate. A positioning space for positioning a centrifugal tube is arranged between the first arc-shaped plate and the second arc-shaped plate in a surrounding manner; a first clamping groove is formed in the side face, facing the positioning space, of the first arc-shaped plate, and one end of the first clamping groove extends to the bottom of the first arc-shaped plate to form a first opening; the limiting inserting assembly is movably and adjustably arranged on the first arc-shaped plate in a penetrating manner and is inserted into the first clamping groove; the limiting inserting assembly moves and retreats from the first clamping groove, so that the convex block of the centrifugal tube can be inserted into the first clamping groove through the first opening; the limiting inserting assembly is movably inserted into the first clamping groove, so that the convex block is limited in the first clamping groove, and the centrifugal tube is limited in the positioning space.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field especially, relate to a centrifugal tube explosion -proof clamp and explosion -proof clamp device. BACKGROUND

[0002] In PCR experiment, need to add a variety of biological samples and reagent in centrifugal tube, then put centrifugal tube into centrifuge and carry out high speed operation after oscillation, also can be heated to high temperature on centrifugal tube at different temperature. The centrifugal tube currently used has some deficiencies, for example, the centrifugal tube will have the problem of cover plate opening in the oscillation or centrifugation process, especially in the high speed centrifugation and high temperature heating process, the existing centrifugal tube cover plate is easy to cause explosion due to material expansion or locking problem, endangering the safety of experiment. Once the centrifugal tube cover plate exploded due to heating expansion in the high temperature heating process of PCR centrifugal tube, causing the liquid in the centrifugal tube to leak, leading to the eyes of the experimental personnel splashing into biological specimens, and the experimental personnel and laboratory being potentially contaminated.

[0003] Therefore, it is necessary to provide a centrifugal tube explosion -proof clamp to prevent the centrifugal tube cover plate from exploding during the experiment, and provide an explosion -proof clamp device with the centrifugal tube explosion -proof clamp. SUMMARY

[0004] The first purpose of the utility model is to provide a centrifugal tube explosion -proof clamp to prevent the centrifugal tube cover plate from exploding during the experiment.

[0005] The second purpose of the utility model is to provide an explosion -proof clamp device with a centrifugal tube explosion -proof clamp to prevent the centrifugal tube cover plate from exploding during the experiment.

[0006] To achieve the above-mentioned first purpose, the utility model provides a centrifugal tube explosion -proof clamp, which comprises an explosion -proof base plate, a first arc plate, a second arc plate and a limiting plug -in assembly, the first arc plate and the second arc plate are arranged on the bottom of the explosion -proof base plate, and a positioning space for positioning the centrifugal tube is formed between the first arc plate and the second arc plate; the side of the first arc plate facing the positioning space is provided with a first clamping groove, and one end of the first clamping groove extends to the bottom of the first arc plate and forms a first opening; the limiting plug -in assembly is movably adjusted and inserted into the first clamping groove; by moving the limiting plug -in assembly out of the first clamping groove, the protrusion of the centrifugal tube can be inserted into the first clamping groove through the first opening; by moving the limiting plug -in assembly into the first clamping groove, the protrusion is limited in the first clamping groove, so that the centrifugal tube is limited in the positioning space.

[0007] Compared with the prior art, the centrifugal tube explosion-proof clamp has the first arc-shaped plate and the second arc-shaped plate arranged at the bottom of the explosion-proof base plate, the first arc-shaped plate and the second arc-shaped plate are provided with the positioning space for positioning the centrifugal tube, the centrifugal tube can be inserted into the positioning space through the movement of the limiting plug-in assembly out of the first clamping groove, meanwhile, the protrusion of the centrifugal tube can be inserted into the first clamping groove through the first opening, and then the limiting plug-in assembly is moved to insert into the first clamping groove, so that the protrusion is limited in the first clamping groove, thereby the centrifugal tube is limited in the positioning space, the effect of explosion-proof fixation of the centrifugal tube is achieved, and the problem that the cover plate of the centrifugal tube is exploded during the experiment is effectively prevented, especially during the heating process of the centrifugal tube, the experiment failure, laboratory pollution and biological safety of the experimental personnel can be avoided.

[0008] Preferably, the first clamping groove comprises a first positioning clamping groove portion and a first slot portion bent from one end of the first positioning clamping groove portion and extending to the bottom of the first arc-shaped plate, one end of the first slot portion forms the first opening on the bottom of the first arc-shaped plate; after the limiting plug-in assembly moves out of the first clamping groove, the protrusion can be inserted into the first positioning clamping groove portion, and the limiting plug-in assembly is moved to insert into the first positioning clamping groove portion, so that the protrusion is limited in the first positioning clamping groove portion.

[0009] Preferably, the side surface of the second arc-shaped plate towards the positioning space is provided with a second clamping groove for inserting another protrusion of the centrifugal tube, and one end of the second clamping groove extends to the bottom of the second arc-shaped plate and forms a second opening.

[0010] Preferably, the second clamping groove comprises a second positioning clamping groove portion and a second slot portion bent from one end of the second positioning clamping groove portion and extending to the bottom of the second arc-shaped plate, one end of the second slot portion forms the second opening on the bottom of the second arc-shaped plate.

[0011] Preferably, the shape of the second clamping groove and the shape of the first clamping groove are both L-shaped.

[0012] Preferably, the limiting plug-in assembly comprises a limiting block, a pull rod and an elastic piece, the first arc-shaped plate is provided with a movable slot in communication with the first clamping groove, the limiting block is inserted into the first clamping groove, one end of the pull rod is movably inserted into the movable slot and connected with the limiting block, the elastic piece is arranged in the movable slot and abuts between the pull rod and the limiting block along the moving direction of the pull rod; by driving the pull rod to move, the limiting block is driven to move and press the elastic piece, so that the limiting block exits the first clamping groove and enters the movable slot; by releasing the pull rod, the limiting block is moved to insert into the first clamping groove under the action force of the elastic piece.

[0013] To achieve the above-mentioned second object, the utility model provides a kind of explosion-proof clamp device, including centrifugal tube and the centrifugal tube explosion-proof clamp described above, the protruding block is equipped on the centrifugal tube, and the upper end of the centrifugal tube is inserted into the positioning space, and the protruding block is inserted into the first clamping groove by the first opening.

[0014] Compared with prior art, the explosion-proof clamp device of the utility model sets up centrifugal tube explosion-proof clamp, the first arc plate and the second arc plate are set on the bottom of explosion-proof substrate, the positioning space for positioning centrifugal tube is surrounded between the first arc plate and the second arc plate, and the first clamping groove can be moved out by the limiting plug-in assembly, so that centrifugal tube can be inserted and positioned in the positioning space, meanwhile, the protruding block of centrifugal tube can be inserted into the first clamping groove by the first opening, and then inserted into the first clamping groove by the limiting plug-in assembly, so that the protruding block is limited in the first clamping groove, so as to limit the centrifugal tube in the positioning space, which has the effect of explosion-proof fixation on centrifugal tube, effectively prevents the problem that the cover plate of centrifugal tube is opened during experiment, especially in the heating process of centrifugal tube, which can avoid experiment failure, avoid laboratory pollution and protect the biological safety of experimental personnel.

[0015] Preferably, the centrifugal tube includes centrifugal tube body and cover plate, the protruding block is protruded on the centrifugal tube body, and the cover plate is detachably connected to the upper end of the centrifugal tube body and closes the inner cavity of the centrifugal tube body.

[0016] Preferably, the upper end of the centrifugal tube body is provided with convex edge along the circumferential direction thereof, and the buckle is provided on the cover plate and engaged on the convex edge.

[0017] Preferably, the centrifugal tube further includes connecting piece, which is connected between the centrifugal tube body and the cover plate. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is the exploded view of the explosion-proof clamp device of the utility model.

[0019] Figure 2 is Figure 1 is the enlarged view of A in Fig.

[0020] Figure 3 is the bottom view of the explosion-proof clamp device of the utility model.

[0021] Figure 4 is Figure 3 is the enlarged view of B in Fig.

[0022] Figure 5 is the perspective view of the first arc plate of the centrifugal tube explosion-proof clamp of the utility model.

[0023] Figure 6 is a three-dimensional structure view of the second arc-shaped plate of the centrifuge tube explosion-proof clamp. DETAILED DESCRIPTION

[0024] In order to explain the technical content and structural features of the present application in detail, the following further description is made in combination with the embodiments and the accompanying drawings.

[0025] Please refer to Figures 1 to 6 The explosion-proof clamp device 200 of the present application comprises a centrifuge tube 201 and a centrifuge tube explosion-proof clamp 100. The centrifuge tube 201 is provided with a protrusion 201a, and the centrifuge tube explosion-proof clamp 100 comprises an explosion-proof base plate 1, a first arc-shaped plate 2, a second arc-shaped plate 3 and a limiting plug-in assembly 4. The first arc-shaped plate 2 and the second arc-shaped plate 3 are arranged on the bottom of the explosion-proof base plate 1, and a positioning space 5 for positioning the centrifuge tube 201 is formed between the first arc-shaped plate 2 and the second arc-shaped plate 3. The side of the first arc-shaped plate 2 facing the positioning space 5 is provided with a first clamping groove 21, and one end of the first clamping groove 21 extends to the bottom of the first arc-shaped plate 2 and forms a first opening. The limiting plug-in assembly 4 is movably arranged on the first arc-shaped plate 2 and plugged into the first clamping groove 21. By moving the limiting plug-in assembly 4 out of the first clamping groove 21, the protrusion 201a of the centrifuge tube 201 can be inserted into the first clamping groove 21 through the first opening. By moving the limiting plug-in assembly 4 into the first clamping groove 21, the protrusion 201a is limited in the first clamping groove 21, so that the centrifuge tube 201 is limited in the positioning space 5.

[0026] Specifically, after the limiting plug-in assembly 4 moves out of the first clamping groove 21, the upper end of the centrifuge tube 201 is inserted into the positioning space 5, and the protrusion 201a is inserted into the first clamping groove 21 through the first opening. Then, by moving the limiting plug-in assembly 4 into the first clamping groove 21, the protrusion 201a is limited in the first clamping groove 21, so that the protrusion 201a is prevented from exiting the first clamping groove 21, thereby limiting the centrifuge tube 201 in the positioning space 5.

[0027] Please refer to Figures 2 to 5In an embodiment, the first clamping groove 21 comprises a first positioning clamping groove portion 211 and a first slot portion 212 bent from one end of the first positioning clamping groove portion 211 and extending to the bottom of the first arc-shaped plate 2, one end of the first slot portion 212 forms a first opening on the bottom of the first arc-shaped plate 2; after the limiting plug-in assembly 4 moves out of the first clamping groove 21, the protrusion 201a can be inserted into the first positioning clamping groove portion 211, and the protrusion 201a is limited in the first positioning clamping groove portion 211 by moving the limiting plug-in assembly 4 into the first positioning clamping groove portion 211. Wherein, after the protrusion 201a passes through the first slot portion 212 and enters the first positioning clamping groove portion 211, the centrifugal tube 201 can be rotated, so that the protrusion 201a on the centrifugal tube 201 is staggered with the first slot portion 212 at the position of the first positioning clamping groove portion 211, thereby moving the limiting plug-in assembly 4 into the first positioning clamping groove portion 211 and blocking the protrusion 201a in the first positioning clamping groove portion 211, so that the protrusion 201a cannot move into the first slot portion 212, thereby stably limiting the centrifugal tube 201 in the positioning space 5.

[0028] Please refer to Figure 2 and Figure 6 In an embodiment, the side of the second arc-shaped plate 3 facing the positioning space 5 is provided with a second clamping groove 31 for inserting another protrusion 201a of the centrifugal tube 201, and one end of the second clamping groove 31 extends to the bottom of the second arc-shaped plate 3 and forms a second opening. Wherein, the centrifugal tube 201 is provided with protrusions 201a corresponding to the first clamping groove 21 and the second clamping groove 31, the number of protrusions 201a is two, when one of the protrusions 201a is inserted into the first clamping groove 21, the other protrusion 201a is inserted into the second clamping groove 31, but not limited thereto.

[0029] Specifically, the second clamping slot 31 comprises a second positioning clamping slot part 311 and a second slot part 312 which is bent from one end of the second positioning clamping slot part 311 and extends to the bottom of the second arc-shaped plate 3, and one end of the second slot part 312 forms a second opening on the bottom of the second arc-shaped plate 3. More specifically, the second arc-shaped plate 3 is symmetrically arranged with the first arc-shaped plate 2, the shape of the second clamping slot 31 and the shape of the first clamping slot 21 are both L-shaped, when one of the protrusions 201a is inserted into the first slot part 212 of the first clamping slot 21, the other protrusion 201a is inserted into the second slot part 312 of the second clamping slot 31; when one of the protrusions 201a is inserted into the first positioning clamping slot part 211 of the first clamping slot 21, the other protrusion 201a is inserted into the second positioning clamping slot part 311 of the second clamping slot 31; when the centrifugal tube 201 is rotated so that one of the protrusions 201a on the centrifugal tube 201 is misaligned with the first slot part 212 at the position of the first positioning clamping slot part 211, the other protrusion 201a on the centrifugal tube 201 is misaligned with the second slot part 312 at the position of the second positioning clamping slot part 311.

[0030] Preferably, a plurality of first arc-shaped plates 2 and second arc-shaped plates 3 are arranged on the bottom of the explosion-proof base plate 1 one by one, so that a plurality of centrifugal tubes 201 can be clamped and positioned in the positioning space 5 of the centrifugal tube explosion-proof clamp 100.

[0031] Please refer to Figure 3 and Figure 4 In an embodiment, the limiting plug-in assembly 4 comprises a limiting block 41, a pull rod 42 and an elastic member 43, the first arc-shaped plate 2 is provided with a movable slot 22 which is in communication with the first clamping slot 21, the limiting block 41 is inserted into the first clamping slot 21, one end of the pull rod 42 is movably inserted into the movable slot 22 and connected with the limiting block 41, the elastic member 43 is arranged in the movable slot 22 and abuts between the pull rod 42 and the limiting block 41 along the moving direction of the pull rod 42; by driving the pull rod 42 to move, the limiting block 41 is moved and pressed against the elastic member 43, so that the limiting block 41 exits the first clamping slot 21 and enters the movable slot 22; by releasing the pull rod 42, the limiting block 41 is moved and inserted into the first clamping slot 21 under the action of the elastic member 43.

[0032] Please refer to Figure 1 and Figure 2In an embodiment, the centrifugal tube 201 comprises a centrifugal tube body 201b and a cover plate 201c, the protrusion 201a is arranged on the centrifugal tube body 201b, and the cover plate 201c is detachably connected to the upper end of the centrifugal tube body 201b and seals the inner cavity of the centrifugal tube body 201b. Further, the upper end of the centrifugal tube body 201b is provided with a convex edge 201b1 along the circumferential direction thereof, and the cover plate 201c is provided with a buckle 201c1 which is buckled on the convex edge 201b1. When the cover plate 201c is arranged on the upper end of the centrifugal tube body 201b, the buckle 201c1 is buckled on the convex edge 201b1, thereby playing a role of fixing and explosion-proof. Specifically, the buckle 201c1 is in the shape of L, but is not limited thereto.

[0033] Please refer to Figure 1 and Figure 2 In an embodiment, the centrifugal tube 201 further comprises a connecting piece 201d which is connected between the centrifugal tube body 201b and the cover plate 201c. By arranging the connecting piece 201d, after the cover plate 201c is detached from the centrifugal tube body 201b, the cover plate 201c and the centrifugal tube body 201b can be connected together through the connecting piece 201d, without the need to find another place to place or store the cover plate 201c.

[0034] In combination with Figures 1 to 6 The specific working principle of the explosion-proof clamp device 200 of the utility model is as follows:

[0035] In use, the biological sample suspension is poured into the centrifugal tube body 201b of the centrifugal tube 201, and then the cover plate 201c is pressed to be arranged on the upper end of the centrifugal tube body 201b. When the cover plate 201c is pressed, the buckle 201c1 is driven to move downward, so that the buckle 201c1 is buckled on the convex edge 201b1 of the centrifugal tube body 201b, thereby playing a role of fixing and explosion-proof.

[0036] When high-temperature heating, the centrifuge tube 201 is assembled to the centrifuge tube explosion-proof clamp 100, first pull the pull rod 42 of the limiting plug-in assembly 4, drive the limiting block 41 to move and extrude the elastic element 43, so that the limiting block 41 exits the first clamping groove 21 and enters the movable groove 22, then the two protrusions 201a on the centrifuge tube 201 are respectively aligned and inserted into the first clamping groove 21 of the first arc-shaped plate 2 and the second clamping groove 31 of the second arc-shaped plate 3. Wherein, one protrusion 201a enters the first positioning clamping groove part 211 through the first slotting part 212 of the first clamping groove 21, and the other protrusion 201a enters the second positioning clamping groove part 311 through the second slotting part 312 of the second clamping groove 31. Then rotate the centrifuge tube 201, so that it cannot rotate, release the pull rod 42, so that the limiting block 41 moves and inserts into the first positioning clamping groove part 211 of the first clamping groove 21 under the action of the elastic element 43, limit one of the protrusions 201a of the centrifuge tube 201 in the first positioning clamping groove part 211, so that the centrifuge tube 201 cannot move, and again play the effect of fixing and explosion-proof.

[0037] In summary, the explosion-proof clamp device 200 of the utility model sets up the centrifuge tube explosion-proof clamp 100, limits the centrifuge tube 201 in the positioning space 5 by the limiting plug-in assembly 4 of the centrifuge tube explosion-proof clamp 100, and has the effect of explosion-proof fixing to the centrifuge tube 201, effectively prevents the cover plate 201c of the centrifuge tube 201 from exploding during the experiment, especially during the heating process of the centrifuge tube 201, can avoid experiment failure, avoid laboratory pollution and protect the biological safety of the experimental personnel. In addition, the centrifuge tube 201 of the explosion-proof clamp device 200 of the utility model sets up the buckle 201c1 on the cover plate 201c, and the convex edge 201b1 of the centrifuge tube body 201 is clamped by the buckle 201c1, which can again play the effect of fixing and explosion-proof.

[0038] The above disclosed is only the preferred embodiment of the utility model, and cannot limit the scope of the utility model, so equivalent changes made according to the utility model claims all belong to the scope covered by the utility model.

Claims

1. A centrifuge tube explosion-proof clamp, characterized in that, The device includes an explosion-proof substrate, a first arc-shaped plate, a second arc-shaped plate, and a limiting insertion assembly. The first and second arc-shaped plates are disposed on the bottom of the explosion-proof substrate, and a positioning space for positioning a centrifuge tube is formed between the first and second arc-shaped plates. The first arc-shaped plate has a first slot on its side facing the positioning space, and one end of the first slot extends to the bottom of the first arc-shaped plate to form a first opening. The limiting insertion assembly is movably and adjustablely inserted through the first arc-shaped plate and inserted into the first slot. By moving the limiting insertion assembly out of the first slot, a protrusion of the centrifuge tube can be inserted into the first slot through the first opening. By moving the limiting insertion assembly into the first slot, the protrusion is confined within the first slot, thereby confining the centrifuge tube within the positioning space.

2. The centrifuge tube explosion-proof clamp according to claim 1, characterized in that, The first slot includes a first positioning slot portion and a first slot portion that bends from one end of the first positioning slot portion and extends to the bottom of the first arc-shaped plate. One end of the first slot portion forms the first opening on the bottom of the first arc-shaped plate. After the limiting insertion assembly moves out of the first slot, the protrusion can be inserted into the first positioning slot portion. The protrusion is limited within the first positioning slot portion by the limiting insertion assembly moving into the first positioning slot portion.

3. The centrifuge tube explosion-proof clamp according to claim 1, characterized in that, The second arc-shaped plate has a second slot on its side facing the positioning space for inserting another protrusion of the centrifuge tube, and one end of the second slot extends to the bottom of the second arc-shaped plate to form a second opening.

4. The centrifuge tube explosion-proof clamp according to claim 3, characterized in that, The second slot includes a second positioning slot portion and a second slot portion that bends from one end of the second positioning slot portion and extends to the bottom of the second arc-shaped plate. One end of the second slot portion forms the second opening on the bottom of the second arc-shaped plate.

5. The centrifuge tube explosion-proof clamp according to claim 4, characterized in that, The second card slot and the first card slot are both L-shaped.

6. The centrifuge tube explosion-proof clamp according to claim 1, characterized in that, The limiting insertion assembly includes a limiting block, a pull rod, and an elastic element. A movable groove communicating with the first slot is provided on the first arc plate. The limiting block is inserted into the first slot. One end of the pull rod is movably inserted into the movable groove and connected to the limiting block. The elastic element is disposed in the movable groove and abuts against the pull rod and the limiting block along the moving direction of the pull rod. By driving the pull rod to move, the limiting block is moved and squeezed by the elastic element, thereby causing the limiting block to exit the first slot and enter the movable groove. By releasing the pull rod, the limiting block moves and inserts into the first slot under the force of the elastic element.

7. An explosion-proof clamp device, characterized in that, The centrifuge tube includes a centrifuge tube and a centrifuge tube explosion-proof clamp as described in any one of claims 1-6. The centrifuge tube is provided with a protrusion, the upper end of the centrifuge tube is inserted into the positioning space, and the protrusion is inserted into the first slot through the first opening.

8. The explosion-proof clamp device according to claim 7, characterized in that, The centrifuge tube includes a centrifuge tube body and a cover plate. The protrusion is protruding from the centrifuge tube body, and the cover plate is detachably connected to the upper end of the centrifuge tube body and closes the inner cavity of the centrifuge tube body.

9. The explosion-proof clamp device according to claim 8, characterized in that, The upper end of the centrifuge tube body is provided with a convex edge along its circumferential direction, and the cover plate is provided with a buckle that engages with the convex edge.

10. The explosion-proof clamp device according to claim 8, characterized in that, The centrifuge tube also includes a connector, which is connected between the centrifuge tube body and the cover plate.

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