CN219376933U

CN219376933U - Test tube allies oneself with arranges mixing arrangement

Info

Publication number: CN219376933U
Application number: CN202320663006.1U
Authority: CN
Inventors: 李孟知; 余艳; 唐春燕; 代冰; 苏洁琼; 孙琴; 商亚彤
Original assignee: Changsha Jinyu Medical Laboratory Co ltd
Current assignee: Changsha Jinyu Medical Laboratory Co ltd
Priority date: 2023-03-29
Filing date: 2023-03-29
Publication date: 2023-07-21
Anticipated expiration: 2033-03-29

Abstract

The utility model discloses a test tube row mixing device, which comprises: the base is used for placing a test tube placing disc; the lifting mixing seat is arranged above the base in a lifting sliding manner; the lifting driving mechanism is fixedly arranged on the base and used for driving the lifting mixing seat to lift; the upper ends of the uniformly-mixed rods are rotatably arranged on the lifting uniformly-mixed seat along the axis of the uniformly-mixed rods, and the peripheral wall of the lower part of the uniformly-mixed rods is provided with helical blades; and the rotary driving mechanism is fixedly arranged on the lifting mixing seat and used for driving the mixing rod to rotate. According to the utility model, the lifting and evenly mixing seat is driven to lift by the lifting and evenly mixing driving mechanism, so that the evenly mixing rod can descend and extend into the test tube to carry out evenly mixing operation, and the evenly mixed rod ascends and is separated from the test tube; the rotary driving mechanism drives the mixing rod to rotate, and the spiral blade rotates to realize efficient mixing of test tube samples; and the mixing rod is arranged to realize the mixing of a plurality of test tube specimens of once operation, can also improve mixing efficiency when realizing automatic operation.

Description

Test tube allies oneself with arranges mixing arrangement

Technical Field

The utility model relates to the technical field of biomedical detection, in particular to a test tube row mixing device.

Background

In biological or medical experiments and detection processes, liquid samples in test tubes are often required to be uniformly mixed, manual single test tubes are often mixed manually, operation is time-consuming and labor-consuming, especially when the number of test tubes is large, the samples are manually mixed one by one, most of experimental time is usually occupied, and the mixing time and effect of each sample are difficult to ensure to be consistent, so that experimental effect is influenced.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a test tube row mixing device which can realize automatic mixing operation of test tube samples.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

a test tube row mixing device, comprising: the base is used for placing a test tube placing disc; the lifting mixing seat is arranged above the base in a lifting sliding manner; the lifting driving mechanism is fixedly arranged on the base and used for driving the lifting mixing seat to lift; the upper ends of the uniformly-mixed rods are rotatably arranged on the lifting uniformly-mixed seat along the axis of the uniformly-mixed rods, and spiral blades are arranged on the peripheral wall of the lower part of the uniformly-mixed rods; and the rotary driving mechanism is fixedly arranged on the lifting mixing seat and used for driving the mixing rod to rotate.

Further, the base is provided with vertical rods which are arranged at left and right intervals, one sides of the vertical rods opposite to each other are provided with vertical sliding grooves, and the left side and the right side of the lifting mixing base are provided with sliding blocks which are matched with the sliding grooves.

Further, a cover strip is arranged at the upper end of the vertical rod, and the lifting driving mechanism is arranged on the cover strip.

Further, the lifting mixing seat comprises a bottom box, rotating holes corresponding to the mixing rods one by one are formed in the bottom wall of the bottom box, driven gears are arranged at the upper ends of the mixing rods and penetrate through the rotating holes, the rotary driving mechanism is a motor, a driving gear is arranged on an output shaft of the motor, and the driving gear is connected with the driven gears in a transmission mode.

Further, the peripheral wall of the mixing rod is sleeved with a movable cover, and the movable cover can relatively lift and move along the mixing rod and is used for covering the test tube opening when the mixing rod descends.

Further, a cover plate is arranged at the upper end of the bottom box, and the motor is fixedly arranged on the cover plate; the apron bottom corresponds the blending pole and is equipped with the depression bar of downwardly extending, the depression bar extends to the blending pole top that corresponds for carry out spacingly to the upward removal of blending pole.

Further, the apron upper end is equipped with the installation draw-in groove, lift actuating mechanism is equipped with the lifter of lift activity, the lifter bottom is equipped with the dop, the installation draw-in groove is gone into to the dop card, installation draw-in groove one side is equipped with the opening for the dop card to go into.

Further, the upper end of the mixing rod is sequentially provided with a rotating shaft section, a gear installation section and a thread section from bottom to top, and the diameters of the rotating shaft section, the gear installation section and the thread section are sequentially reduced; the driven gear is sleeved on the gear mounting section and connected with the gear mounting section through a key; the thread section is arranged on the limit nut in a threaded manner, and the limit nut is used for axially limiting the driven gear.

Further, a bearing is arranged between the rotating shaft section and the rotating hole.

Further, an L-shaped positioning block is arranged on the upper end face of the base so as to position and lean against the corner of the test tube placing plate.

The utility model has the following beneficial effects:

the lifting and evenly mixing seat is driven to lift by the lifting and evenly driving mechanism, so that the evenly mixing rod can be lowered and extend into the test tube to carry out evenly mixing operation, and the test tube is lifted and separated from the test tube after evenly mixing; the rotary driving mechanism drives the mixing rod to rotate, and the spiral blades rotate to realize efficient mixing of test tube samples; and the mixing rod is arranged to realize the mixing of a plurality of test tube samples of once operation, guarantees that the mixing time of every test tube sample is unanimous, and the mixing effect is unanimous basically, can also improve mixing efficiency when realizing automatic operation.

In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of the whole structure of a test tube placement tray placed on a base;

FIG. 2 is a schematic diagram of an exploded view of an embodiment of the present utility model;

FIG. 3 is a schematic view of the structure of the lift driving mechanism and the cover plate in an exploded state;

FIG. 4 is a schematic diagram of a driving gear in driving connection with a driven gear in accordance with one embodiment of the present utility model;

FIG. 5 is a schematic view of the structure of the bottom case;

FIG. 6 is a cross-sectional view of the connection of the lifting mixing base and the mixing rod;

FIG. 7 is an enlarged view at A of FIG. 6;

FIG. 8 is a schematic view showing an exploded state structure at the kneading bars;

fig. 9 is a schematic diagram of a driving gear and driven gear drive connection according to another embodiment of the present utility model.

Legend description:

the test tube rack comprises a base 100, a test tube placing plate 101, a vertical rod 110, a sliding chute 111, a cover strip 120 and an L-shaped positioning block 130;

lifting mixing seat 200, sliding block 210, bottom box 220, rotation hole 221, cover plate 230, compression bar 231 and installation clamping groove 232;

lifting drive mechanism 300, lifting rod 310, chuck 311;

mixing rod 400, rotating shaft section 401, gear mounting section 402, threaded section 403, helical blade 410, driven gear 420, movable cover 430, limit nut 440, bearing 450;

a rotation driving mechanism 500 and a driving gear 510.

Detailed Description

It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Referring to fig. 1 and 2, a test tube row mixing device in a preferred embodiment of the present utility model includes a base 100, a lifting mixing seat 200, a lifting driving mechanism 300, a mixing rod 400 arranged in an array, and a rotation driving mechanism 500.

The base 100 is used for placing a test tube placing tray 101, and the test tube placing tray 101 is generally provided with a plurality of test tube placing holes arranged in a matrix; the lifting mixing seat 200 is installed above the base 100 in a lifting sliding manner, so that the mixing rod 400 is driven to lift, and the mixing rod 400 can descend into a test tube or ascend out of the test tube; the lifting driving mechanism 300 is fixedly installed on the base 100 and is used for driving the lifting mixing seat 200 to lift; the mixing rods 400 are arranged in a row, and it is understood that the mixing rods 400 are arranged in one-to-one correspondence with the test tube placing holes. The upper end of the mixing rod 400 is rotatably arranged on the lifting mixing seat 200 along the axis of the mixing rod 400, the axis of the mixing rod 400 is a vertical axis, the peripheral wall of the lower part of the mixing rod 400 is provided with a spiral blade 410, and specifically, the spiral blade 410 is arranged on the peripheral wall of the lower half part of the mixing rod 400; the rotation driving mechanism 500 is fixedly installed on the lifting mixing seat 200, and is used for driving the mixing rod 400 to rotate.

According to the test tube row mixing device provided by the utility model, the lifting driving mechanism 300 drives the lifting mixing seat 200 to lift, so that the mixing rod 400 can descend and stretch into a test tube for mixing operation, and ascend to separate from the test tube after mixing; the rotation driving mechanism 500 drives the mixing rod 400 to rotate, and the spiral blade 410 rotates to realize efficient mixing of test tube samples; the mixing rods 400 are arranged to realize the mixing of a plurality of test tube samples in one operation, ensure the mixing time of each test tube sample to be consistent, ensure the mixing effect to be basically consistent, and not cause interference to the test; the mixing efficiency can be improved while the automatic operation is realized.

Referring to fig. 2, in some embodiments of the present utility model, the base 100 is provided with vertical rods 110 disposed at a left-right interval, one side of each of the two vertical rods 110 opposite to each other is provided with a vertically extending chute 111, the left and right sides of the up-down mixing seat 200 are provided with sliding blocks 210 adapted to the chute 111, and the sliding blocks 210 are matched with the chute 111 to realize up-down guiding of the up-down mixing seat 200. It will be appreciated that the bottom edge of the slider 210 is provided with a chamfer to facilitate insertion into the chute 111 during installation.

Referring to fig. 2, in some embodiments of the present utility model, a cover strip 120 is installed at the upper end of the vertical rod 110, a lifting driving mechanism 300 is installed on the cover strip 120, the cover strip 120 provides a mounting position for the lifting driving mechanism 300, and covers an opening at the upper end of the chute 111 to limit the travel of the lifting mixing seat 200. It can be appreciated that, for convenience of later maintenance, disassembly and replacement, the cover strip 120 and the vertical rod 110 can be detachably arranged, and can be fixed by arranging corresponding hole sites and connecting with screws.

Referring to fig. 2 and 5, in some embodiments of the present utility model, the up-down mixing seat 200 includes a bottom case 220, and the sliding blocks 210 are disposed on left and right outer sidewalls of the bottom case 220. The bottom wall of the bottom case 220 is provided with rotation holes 221 corresponding to the mixing rods 400 one by one, and the upper ends of the mixing rods 400 pass through the rotation holes 221 and are provided with driven gears 420, it being understood that the driven gears 420 have a larger profile than the rotation holes 221 so as not to fall from the rotation holes 221. The rotary driving mechanism 500 is a motor, a driving gear 510 is installed on an output shaft of the motor, and the driving gear 510 is in transmission connection with the driven gear 420. The rotation of the mixing rod 400 is achieved by the engagement of the motor and the driving gear 510 with the driven gears 420, as shown in fig. 4 and 6, the driving gear 510 is drivingly connected with all the driven gears 420, i.e., one rotation driving mechanism 500 can drive all the driven gears 420 to rotate. Specifically, the mixing rod 400 and the test tube placing hole are both provided with two rows and are divided into four groups, the driven gears 420 of the same group of mixing rods 400 are sequentially meshed, one driven gear 420, close to the driving gear 510, of each group of mixing rods 400 is meshed with the driving gear 510, namely, four driven gears 420 are meshed with the driving gear 510, so that the four groups of mixing rods 400 are driven, the rotation of all the mixing rods 400 can be realized only by one rotation driving mechanism 500, the number of driving mechanisms is reduced, the cost is reduced, the rotation speed and the mixing time of each test tube specimen are guaranteed to be consistent, the mixing effect is basically the same, and the test is not interfered.

Of course, in other embodiments, as shown in fig. 9, a plurality of rotation driving mechanisms 500 may be provided, and the mixing rods 400 are set into a plurality of groups, and one rotation driving mechanism 500 is in transmission connection with one group of mixing rods 400, so that the rotation activity of all mixing rods 400 is realized, and compared with the arrangement of one rotation driving mechanism 500 on one mixing rod 400, the number of rotation driving mechanisms 500 is greatly reduced.

In the prior art, when the volume of the reagent in the test tube is more, the condition of liquid overflow and splashing often occurs during uniform mixing, and adverse effects such as mutual pollution and even biological hazard among different samples are easy to generate. For this reason, in a further embodiment of the present utility model, as shown in fig. 6 and 8, the movable cover 430 is sleeved on the peripheral wall of the mixing rod 400, the movable cover 430 can relatively move up and down along the mixing rod 400, when the mixing rod 400 descends, the movable cover 430 can descend along with the mixing rod 400 until the movable cover 430 contacts with the test tube port, thereby covering the test tube port, at this time, the mixing rod 400 can continue to descend, and the movable cover 430 can ascend relative to the mixing rod 400, so that the test tube is not damaged due to the compression of the test tube as the mixing rod 400 descends. The movable cover 430 covers the test tube port, so that the situation that liquid overflows and splashes in the mixing process can be effectively avoided, and the movable cover 430 is not fixedly connected with the mixing rod 400, so that excessive pressure can not be applied to the test tube port. Specifically, the movable cover 430 is disposed above the spiral blade 410, and when the mixing rod 400 is separated from the test tube, the bottom of the movable cover 430 abuts against the upper end of the spiral blade 410, so as to prevent the movable cover 430 from falling off. In addition, the lower end of the movable cover 430 is tapered, so that the movable cover is adapted to test tube ports of various specifications, structural interference with the test tube ports can be avoided, and the bottom can be smoothly embedded into the test tube ports.

Referring to fig. 3 and 6, in a further embodiment of the present utility model, a cover plate 230 is installed at an upper end of the bottom case 220, and a motor is fixedly installed to the cover plate 230; the apron 230 bottom corresponds mixing pole 400 and is equipped with the depression bar 231 that extends down, and depression bar 231 extends to the mixing pole 400 top that corresponds for carry out spacingly to the removal up of mixing pole 400, play spacing effect to mixing pole 400, improve the stability of structure, also avoid mixing pole 400 and driven gear 420 to beat up and lead to the unstable or dislocation of transmission between the gear and lead to meshing transmission disconnection. The cover plate 230 and the bottom case 220 may be provided with corresponding holes to be fixed by screw connection; the motor housing top may be provided with a mounting seat, and the mounting seat and the cover 230 may be provided with corresponding hole sites to be fixed by screw connection. Of course, the cover plate 230 and the bottom box 220, and the motor and the cover plate 230 are connected in many ways, such as snap connection, welding, etc.

Referring to fig. 2 and 3, in a further embodiment of the present utility model, the upper end of the cover 230 is provided with a mounting slot 232, the lifting driving mechanism 300 is provided with a lifting rod 310 that moves up and down, and the lifting driving mechanism 300 may be an electric push rod, so as to implement lifting and reciprocating pushing, and the lifting rod 310 is a push rod of the electric push rod. The bottom of the lifting rod 310 is provided with a clamping head 311, the clamping head 311 is clamped into the mounting clamping groove 232, and one side of the mounting clamping groove 232 is provided with an opening for clamping the clamping head 311. Specifically, the opening is disposed on the front side of the mounting slot 232, and a through hole for the lifting rod 310 to pass through is disposed at the upper end of the mounting slot 232, the width of the mounting slot 232 is adapted to the diameter of the clamping head 311 for clamping the clamping head 311, and the diameter of the clamping head 311 is greater than that of the lifting rod 310, so that the clamping head 311 can lift to drive the cover plate 230 and the lifting mixing seat 200. And the lifting driving mechanism 300 is connected with the cover plate 230 in a manner of convenient disassembly and assembly, and no fastening piece is needed.

Referring to fig. 7 and 8, in a further embodiment of the present utility model, a rotation shaft section 401, a gear mounting section 402, and a thread section 403 are sequentially provided at the upper end of the mixing rod 400 from bottom to top, and diameters of the rotation shaft section 401, the gear mounting section 402, and the thread section 403 are sequentially reduced; the rotating shaft section 401 is arranged in the rotating hole 221 in a penetrating mode, the driven gear 420 is sleeved on the gear mounting section 402 and connected through a key, a key groove is formed in the peripheral wall of the gear mounting section 402, a concave notch is formed in the center hole of the driven gear 420, the connecting key is partially embedded into the key groove, and the notch is partially embedded into the connecting key, so that torque transmission is achieved. The thread section 403 is arranged on the limit nut 440 in a threaded manner, the limit nut 440 is used for axially limiting the driven gear 420, the upper end of the driven gear 420 is limited by the limit nut 440, and the lower end of the driven gear 420 is limited by a shaft shoulder formed by the rotating shaft section 401 and the gear mounting section 402, so that the axial limit of the driven gear 420 on the mixing rod 400 is realized.

In a further embodiment of the present utility model, a bearing 450 is provided between the shaft segment 401 and the rotation hole 221, and the bearing 450 may be a deep groove ball bearing, thereby reducing the rotation resistance of the mixing rod 400.

In a further embodiment of the present utility model, the upper end surface of the base 100 is provided with an L-shaped positioning block 130 for positioning and abutting the corners of the test tube placing tray 101, two L-shaped positioning blocks 130 are arranged at left and right intervals for positioning and abutting the two corners of the rear side of the test tube placing tray 101, and a chamfer is arranged on the front side of the L-shaped positioning block 130 to enable the test tube placing tray 101 to be more easily embedded between the two L-shaped positioning blocks 130.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a test tube allies oneself with arranges mixing arrangement which characterized in that includes:

a base (100) for placing a test tube placing tray (101);

a lifting mixing seat (200) which is installed above the base (100) in a lifting sliding manner;

the lifting driving mechanism (300) is fixedly arranged on the base (100) and is used for driving the lifting mixing seat (200) to lift;

the upper ends of the mixing rods (400) are rotatably arranged on the lifting mixing seat (200) along the axis of the mixing rods, and the peripheral wall of the lower part of the mixing rods is provided with a helical blade (410);

and the rotary driving mechanism (500) is fixedly arranged on the lifting mixing seat (200) and is used for driving the mixing rod (400) to rotate.

2. The test tube row mixing device according to claim 1, wherein the base (100) is provided with vertical rods (110) arranged at left and right intervals, one side of each vertical rod (110) opposite to the other side is provided with a vertically extending chute (111), and the left and right sides of the lifting mixing base (200) are provided with sliding blocks (210) matched with the chute (111).

3. The test tube row mixing device according to claim 2, wherein a cover strip (120) is mounted at the upper end of the vertical rod (110), and the lifting driving mechanism (300) is mounted on the cover strip (120).

4. The test tube row mixing device according to claim 1, wherein the lifting mixing seat (200) comprises a bottom box (220), rotating holes (221) corresponding to the mixing rods (400) one by one are formed in the bottom wall of the bottom box (220), the upper ends of the mixing rods (400) penetrate through the rotating holes (221) and are provided with driven gears (420), the rotary driving mechanism (500) is a motor, a driving gear (510) is mounted on an output shaft of the motor, and the driving gear (510) is in transmission connection with the driven gears (420).

5. The device for mixing the test tubes in the row according to claim 4, wherein the movable cover (430) is sleeved on the peripheral wall of the mixing rod (400), and the movable cover (430) can relatively lift and fall along the mixing rod (400) for covering the test tube opening during descent.

6. The test tube row mixing device according to claim 4, wherein a cover plate (230) is installed at the upper end of the bottom box (220), and the motor is fixedly installed on the cover plate (230); the bottom of the cover plate (230) is provided with a downward extending pressing rod (231) corresponding to the mixing rod (400), and the pressing rod (231) extends to the upper part of the corresponding mixing rod (400) and is used for limiting upward movement of the mixing rod (400).

7. The test tube row mixing device according to claim 6, wherein an installation clamping groove (232) is formed in the upper end of the cover plate (230), a lifting rod (310) capable of lifting is arranged on the lifting driving mechanism (300), a clamping head (311) is arranged at the bottom of the lifting rod (310), the clamping head (311) is clamped into the installation clamping groove (232), and an opening is formed in one side of the installation clamping groove (232) for clamping the clamping head (311).

8. The test tube row mixing device according to claim 4, wherein a rotating shaft section (401), a gear mounting section (402) and a thread section (403) are sequentially arranged at the upper end of the mixing rod (400) from bottom to top, and the diameters of the rotating shaft section (401), the gear mounting section (402) and the thread section (403) are sequentially reduced; the rotating shaft section (401) is penetrated through the rotating hole (221), and the driven gear (420) is sleeved on the gear mounting section (402) and connected through a key; the thread section (403) is arranged on the limit nut (440) in a threaded mode, and the limit nut (440) is used for axially limiting the driven gear (420).

9. The tube row mixing device according to claim 8, wherein a bearing (450) is arranged between the spindle section (401) and the spindle hole (221).

10. The test tube row mixing device according to claim 1, wherein an L-shaped positioning block (130) is arranged on the upper end surface of the base (100) for positioning and abutting the corners of the test tube placing tray (101).