阅读说明：本技术 一种可控式离心管架 (Controllable formula centrifuge tube rack ) 是由 薛莹 赵国栋 熊尚岷 黄超 王挺 于 2020-12-24 设计创作，主要内容包括：本发明涉及一种可控式离心管架,包括动作机构、杠杆机构、齿轮机构、离心管夹紧机构。该离心管架通过动作机构、杠杆机构、齿轮机构和离心管夹紧机构相互配合,实现在放置好离心管后可夹紧离心管。(The invention relates to a controllable centrifuge tube rack which comprises an actuating mechanism, a lever mechanism, a gear mechanism and a centrifuge tube clamping mechanism. This centrifuge tube rack mutually supports through actuating mechanism, lever mechanism, gear mechanism and centrifuging tube clamping mechanism, realizes pressing from both sides tight centrifuging tube after placing the centrifuging tube.)

1. The utility model provides a controllable formula centrifuge tube rack which characterized in that: comprises that

An action mechanism: the gear transmission mechanism comprises a vertical rod arranged in the vertical direction, wherein a gear groove is formed in the vertical rod;

a lever mechanism: the device comprises a lever, wherein one end of the lever is connected with the bottom end of the vertical rod;

a gear mechanism: the vertical rod comprises a first gear, a second gear, a first rack and a second rack, wherein the first gear is meshed and connected with a gear groove in the vertical rod, the first gear moves along the gear groove in the vertical direction, the first rack and the second rack are arranged oppositely, the second gear is meshed and connected with the first rack and the second rack, the second gear moves to drive the first rack and the second rack to be close to or far away from each other, and the first rack and the second rack are horizontally arranged;

the first gear and the second gear are connected through a connecting shaft, and the connecting shaft, the first gear and the second gear are coaxial;

centrifuge tube clamping mechanism: including the relative first tight piece of clamp and the tight piece of second clamp that sets up, first tight piece of clamp is connected first rack, and the second is pressed from both sides tight piece and is connected the second rack, and first rack and second rack are close to each other or keep away from the drive first tight piece of clamp and second are pressed from both sides tight piece and are close to each other or keep away from, first tight piece of clamp and second press from both sides tight piece and cooperate tight centrifuging tube of clamp.

2. The controllable centrifuge tube holder of claim 1, wherein: the upright rod is hinged with the lever.

3. The controllable centrifuge tube holder of claim 1, wherein: still including the centrifuge tube rack base member, the centrifuge tube rack base member includes a plurality of pairs of centrifuge tube trepanning that are used for placing the centrifuging tube, and is every right the centrifuge tube trepanning includes relative first trepanning and the second trepanning that sets up from top to bottom, first clamp piece and the tight piece setting of second clamp are in first trepanning.

4. The controllable centrifuge tube holder of claim 3, wherein: after the centrifugal tube is inserted into the centrifugal tube sleeve hole, the bottom end of the centrifugal tube is abutted to the lever, and the centrifugal tube and the vertical rod are respectively arranged on two sides of the lever fulcrum.

5. The controllable centrifuge tube holder of claim 1, wherein: the first rack is connected with the first clamping block through the first side plate, the second rack is connected with the second clamping block through the second side plate, and the first side plate and the second side plate are arranged oppositely.

6. The controllable centrifuge tube holder of claim 1, wherein: still include stop gear, stop gear is used for spacingly the range of action about the pole setting, stop gear is including setting up according to the depression bar and pressing the briquetting in the pole setting upper end, presses the briquetting to arrange in according to the depression bar upper end, and it is greater than according to the depression bar width to press the briquetting width, be provided with the shell fragment on the depression bar, stop gear is still including setting up at the press switch, first stopper and the second stopper of pressing the depression bar side, press the switch and be used for popping out or packing up the shell fragment, first stopper and second stopper upwards set up, when the shell fragment popped out, the shell fragment is spacing in second stopper top, when the shell fragment was packed up, press the briquetting spacing in first stopper top.

7. The controllable centrifuge tube holder of claim 1, wherein: the first clamping block and the second clamping block are provided with arc-shaped grooves used for adapting to the shape of the side wall of the centrifugal tube towards one side of the centrifugal tube.

8. The controllable centrifuge tube holder of claim 1, wherein: the first clamping block and the second clamping block are both rubber blocks.

Technical Field

The invention relates to a frame body, in particular to a controllable centrifuge tube frame.

Background

Centrifuge tube racks are one of the most commonly used devices in biomedical research, experimentation, and medical testing procedures. Existing centrifuge tube racks are typically constructed of multiple rows of plate-like material having concentric circular holes, whereby the centrifuge tubes are controlled without significant movement. However, the centrifugal tube rack with the structure has the following defects in the practical application process: because an obvious gap is formed between the tube frame and the centrifuge tube, two hands are required to simultaneously operate when the centrifuge tube is rotated (one hand is used for holding the centrifuge tube, and the other hand is used for twisting the tube cover), so that the centrifuge tube is prevented from rotating; simultaneously above-mentioned centrifuge tube support bears centrifuging tube can have because the risk that violently jolts and fall out the centrifuging tube in the transportation to cause risks such as centrifuging tube pollution, fracture.

Disclosure of Invention

The invention provides a controllable centrifuge tube rack, aiming at solving the problem that a centrifuge tube can not be clamped by the existing centrifuge tube rack, so that the centrifuge tube is easy to separate from the centrifuge tube rack.

The technical scheme adopted by the invention is as follows: a controllable centrifuge tube rack comprises

An action mechanism: the gear transmission mechanism comprises a vertical rod arranged in the vertical direction, wherein a gear groove is formed in the vertical rod;

a lever mechanism: the device comprises a lever, wherein one end of the lever is connected with the bottom end of the vertical rod;

a gear mechanism: the vertical rod comprises a first gear, a second gear, a first rack and a second rack, wherein the first gear is meshed and connected with a gear groove in the vertical rod, the first gear moves along the gear groove in the vertical direction, the first rack and the second rack are arranged oppositely, the second gear is meshed and connected with the first rack and the second rack, the second gear moves to drive the first rack and the second rack to be close to or far away from each other, and the first rack and the second rack are horizontally arranged;

the first gear and the second gear are connected through a connecting shaft, and the connecting shaft, the first gear and the second gear are coaxial;

centrifuge tube clamping mechanism: including the relative first tight piece of clamp and the second of setting, first tight piece of clamp is connected first rack, and the second is pressed from both sides tight piece and is connected the second rack, and first rack and second rack are close to each other or keep away from the drive first tight piece of clamp and second are close to each other or are kept away from, first tight piece of clamp and second press from both sides tight piece and press from both sides the tight centrifuging tube relatively.

Further, the upright rod is hinged with the lever.

Further, still including the centrifuge tube rack base member, the centrifuge tube rack base member includes a plurality of pairs of centrifuge tube trepanning that are used for placing the centrifuging tube, and is every right the centrifuge tube trepanning includes relative first trepanning and the second trepanning that sets up from top to bottom, first clamp piece and the tight piece setting of second clamp are in first trepanning or the second trepanning.

Furthermore, after the centrifugal tube is inserted into the centrifugal tube sleeve hole, the bottom end of the centrifugal tube is abutted to the lever, and the centrifugal tube and the vertical rod are respectively arranged on two sides of the lever fulcrum.

Furthermore, the first rack is connected with the first clamping block through the first side plate, the second rack is connected with the second clamping block through the second side plate, and the first side plate and the second side plate are arranged oppositely.

Further, still include stop gear, stop gear is used for spacingly the range of action about the pole setting, stop gear is including setting up according to the pressure lever and pressing the briquetting in the pole setting upper end, presses the briquetting to arrange in according to the pressure lever upper end, and it is greater than according to the pressure lever width to press the briquetting width, be provided with the shell fragment according to the pressure on the pressure lever, stop gear is still including setting up press switch, first stopper and the second stopper in the pressure lever side, press switch is used for popping out or packing up the shell fragment, first stopper and second stopper upwards set up, when the shell fragment popped out, the shell fragment spacing in second stopper top, when the shell fragment was packed up, press the briquetting spacing in first stopper top.

Furthermore, the first clamping block and the second clamping block are provided with arc-shaped grooves used for adapting to the shape of the side wall of the centrifugal tube towards one side of the centrifugal tube.

Further, the first clamping block and the second clamping block are both rubber blocks.

The beneficial effects produced by the invention comprise: when a centrifuge tube is not placed in the controllable centrifuge tube rack, the vertical rod presses the lever downwards, the vertical rod is located at the lowest position, the first L-shaped plate and the second L-shaped plate are far away from each other, the distance between the first clamping block and the second clamping block is equal to the diameter of the trepan boring, the elastic sheet belongs to a folding state, the pressing block is limited above the first limiting block, and the first gear is placed at the uppermost part of the gear groove; after placing the centrifuging tube, continue to push down the centrifuging tube, the lever drives pole setting upward movement, the relative gear groove downstream of first gear, and the second gear drives two L templates and is close to each other, and the tight piece of the first clamp and the tight piece of second clamp are close to tight centrifuging tube each other simultaneously, press the shell fragment switch, and the shell fragment pops out, and at this moment, the shell fragment is spacing in second stopper top.

When the test tube was taken off to needs, pressed the shell fragment switch, the shell fragment was packed up, and the pole setting descends, and gear mechanism drives each part reverse motion, and the tight piece of first clamp is kept away from each other with the tight piece of second clamp, loosens the centrifuging tube.

Realize the relative stability of centrifuging tube, prevent to drop.

Drawings

FIG. 1 is a view showing an appearance structure of a controllable centrifuge tube stand according to the present invention;

FIG. 2 is a top view of the mechanism of FIG. 1;

FIG. 3 is a top view of a controllable centrifuge tube rack illustrating the steps of operation;

FIG. 4 is a schematic diagram of the operation steps of the controllable centrifuge tube rack in a front view with the centrifuge tube rack base removed;

FIG. 5 is a schematic view of a gear mechanism;

figure 6 is a view of the pole falling;

figure 7 is a state view of the upright being raised;

FIG. 8 is a structural view of a gear mechanism;

in the figure 1, an actuating mechanism 101, a vertical rod 102, a gear groove 103, a pressing rod 104 and a pressing block;

2. a lever mechanism 201, a lever 202 and a fulcrum;

a gear mechanism: 301. a first gear 302, a second gear 303, a connecting shaft 304, a first rack 305 and a second rack;

4. a centrifugal tube clamping mechanism 401, a first L-shaped plate 4011, a first side plate 4012, a first bottom plate 402, a second L-shaped plate 4021, a first second side plate 4022, a first second side plate 403, a first clamping block 404 and a second clamping block;

5. a centrifuge tube rack base 501, a first set of holes, 502 and a second set of holes;

6. the device comprises a limiting mechanism 601, a first limiting block, 602, a second limiting block, 603, a first elastic sheet, 604, a second elastic sheet, 605, a push switch, 7 and a centrifugal tube.

Detailed Description

The present invention is explained in further detail below with reference to the drawings and the specific embodiments, but it should be understood that the scope of the present invention is not limited to the specific embodiments.

Referring to fig. 1-8, the controllable centrifuge tube rack of the present invention comprises an actuating mechanism 1, a lever mechanism, a gear mechanism, a centrifuge tube clamping mechanism 4 and a centrifuge tube rack base 5; the action mechanism 1 comprises a vertical rod 101 arranged in the vertical direction, and a gear groove 102 is arranged in the vertical rod 101; the lever mechanism 2 comprises a lever 201, and one end of the lever 201 is connected with the bottom end of the upright rod 101; the gear mechanism comprises a first gear 301, a second gear 302, a first rack 304 and a second rack 305, wherein the first gear 301 is meshed with a gear groove 102 in the vertical rod 101, the gear groove 102 is arranged on the vertical direction, the first gear 301 is arranged along the gear groove 102 and moves in the vertical direction, when the vertical rod 101 moves upwards, the gear groove 102 drives the first gear 301 to rotate in the first direction, when the vertical rod 101 moves downwards, the gear groove 102 drives the first gear 301 to rotate in the second direction, the first direction is clockwise, the second direction is counterclockwise, the first direction is counterclockwise, and the second direction is clockwise. The first rack 304 and the second rack 305 are arranged oppositely, the second gear 302 is engaged with the first rack 304 and the second rack 305, the second gear 302 moves to drive the first rack 304 and the second rack 305 to approach or separate from each other, and the first rack 304 and the second rack 305 are arranged in parallel and horizontally.

The first gear 301 and the second gear 302 are connected through a connecting shaft 303, the first gear 301 and the second gear 302 are coaxial, two ends of the connecting shaft 303 are fixedly connected with the axes of the first gear 301 and the second gear 302, the first gear 301 and the second gear 302 are relatively fixed, the first gear 301 and the second gear 302 move synchronously, when the first gear 301 rotates in a first direction, the second gear 302 drives the first rack 304 and the second rack 305 to approach each other, and when the first gear 301 rotates in a second direction, the second gear 302 drives the first rack 304 and the second rack 305 to move away from each other.

The centrifugal tube clamping mechanism 4 comprises a first clamping block 403 and a second clamping block 404 which are oppositely arranged, the first clamping block 403 is connected with the first rack 304, the second clamping block 404 is connected with the second rack 305, the first rack 304 and the second rack 305 are close to or far away from each other to drive the first clamping block 403 and the second clamping block 404 to be close to or far away from each other, so that the centrifugal tube can be clamped or loosened, and the first clamping block 403 and the second clamping block 404 are matched with each other to clamp the centrifugal tube.

The pole setting 101 with lever 201 hinged joint, the opposite side of lever 201 is free state, and when the opposite side did not have pressure, the one end that pole setting 101 was connected to lever 201 was under, and the other end was last, and when the centrifuging tube inserted the other end with lever 201 and pushes down, it upwards lifts and then drives pole setting 101 upward to connect pole setting 101 one end.

Centrifuge tube rack base member 5 is used as the base member that sets up above-mentioned actuating mechanism 1, lever mechanism, gear mechanism, centrifuging tube clamping mechanism 4, centrifuge tube rack base member 5 still includes a plurality of pairs of centrifuging tube trepanning that are used for placing the centrifuging tube, and is every right centrifuging tube trepanning includes relative first trepanning 501 and the second trepanning 502 that sets up from top to bottom, first clamp splice 403 and second clamp splice 404 set up in first trepanning 501 or the second trepanning 502, and every pair of centrifuge tube trepanning corresponds one set of actuating mechanism 1, lever mechanism, gear mechanism, centrifuging tube clamping mechanism 4.

After the centrifugal tube 7 is inserted into the centrifugal tube trepanning, the bottom end of the centrifugal tube is abutted to the lever 201, and the centrifugal tube and the vertical rod 101 are respectively arranged on two sides of the fulcrum 202 of the lever 201.

First rack 304 passes through first curb plate and connects first clamp piece 403, second rack 305 passes through the second curb plate and connects second clamp piece 404, first curb plate and second curb plate set up relatively, specific first curb plate and second curb plate are the L template, two L templates form U type structure, two L templates are first L template 401 and second L template 402 respectively, first L template 401 includes first bottom plate 4012 and first bottom plate 4011 one by one, second L template 402 includes first second bottom plate 4021 and first second curb plate 4022, first bottom plate 4011 is relative with first second curb plate, set up first rack 304 and second rack 305 on first bottom plate 4012 and the first second bottom plate respectively, first rack 304 and second rack 305 divide the upper and lower both sides of second gear 302 in, first clamp piece 403 and second clamp piece 404 divide and arrange first one by one on first side plate 4011 and first second curb plate. The centrifuge tube base body is provided with a slotted hole for arranging the upright rod 101, and the upright rod 101 moves upwards or downwards along the slotted hole.

A limiting mechanism 6 is further arranged on the centrifuge tube matrix, the limiting mechanism 6 is used for limiting the amplitude of the vertical rod 101 in the vertical motion, the limiting mechanism 6 comprises a pressing rod 103 and a pressing block 104 which are arranged at the upper end of the vertical rod 101, the pressing block 104 is arranged at the upper end of the pressing rod 103, the width of the pressing block 104 is larger than that of the pressing rod 103, the pressing rod 103 is provided with two spring plates, namely a first spring plate 603 and a second spring plate 604 which are distributed in a splayed shape, the limit mechanism 6 further comprises a push switch 605 arranged on the side of the push rod 103, a first limit block 601 and a second limit block 602, the push switch 605 is used for popping or retracting the elastic sheet, the first limiting block 601 and the second limiting block 602 are arranged upwards, when the elastic sheet is ejected, the elastic block is limited above the second limiting block 602, and when the elastic sheet is retracted, the pressing block 104 is limited above the first limiting block 601. The spring piece popping and retracting principle is similar to that of a pressing type ball-point pen. When the two spring plates are popped up, the structure is splayed.

The first clamping block 403 and the second clamping block 404 are provided with arc-shaped grooves for adapting to the shape of the side wall of the centrifuge tube on the sides facing the centrifuge tube. The first clamping block 403 and the second clamping block 404 are both rubber blocks or materials such as silica gel, plastic, organic glass and the like. And the side wall of the upper trepanning is provided with a mounting groove hole for extending or retracting the first clamping block and the second clamping block.

The working principle of the device is shown in fig. 3-6, when a centrifugal tube is not placed, the vertical rod 101 presses the lever 201 downwards, the vertical rod 101 is at the lowest position, the first L-shaped plate 401 and the second L-shaped plate 402 are far away from each other, the distance between the first clamping block 403 and the second clamping block 404 is equal to the diameter of the trepan boring, the elastic sheet belongs to a retracted state, the pressing block 104 is limited above the first limiting block 601, and the first gear 301 is placed at the uppermost part of the gear groove 102; after placing the centrifuging tube, continue to push down the centrifuging tube, lever 201 drives pole setting 101 upward movement, and first gear 301 is relative gear groove 102 downward movement, and second gear 302 drives two L templates and is close to each other, and first clamp piece 403 and the second clamp piece 404 are close to each other simultaneously and press from both sides tight centrifuging tube, press the shell fragment switch, and the shell fragment pops out, and at this moment, the shell fragment is spacing in second stopper 602 top.

When the test tube needs to be taken down, the spring plate switch is pressed, the spring plate is folded, the vertical rod 101 descends, the gear mechanism drives each part to move reversely, the first clamping block 403 and the second clamping block 404 are far away from each other, and the centrifugal tube is loosened.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the content of the embodiment. It will be apparent to those skilled in the art that various changes and modifications can be made within the technical scope of the present invention, and any changes and modifications made are within the protective scope of the present invention.