CN113588976A - Closed sample bin moving device and sample analyzer - Google Patents

Closed sample bin moving device and sample analyzer Download PDF

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Publication number
CN113588976A
CN113588976A CN202110875475.5A CN202110875475A CN113588976A CN 113588976 A CN113588976 A CN 113588976A CN 202110875475 A CN202110875475 A CN 202110875475A CN 113588976 A CN113588976 A CN 113588976A
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CN
China
Prior art keywords
test tube
shaft
sliding plate
plate seat
wheel
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Pending
Application number
CN202110875475.5A
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Chinese (zh)
Inventor
吴玲海
吕治斌
阳交凤
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Chongqing Zhongyuan Huiji Biotechnology Co Ltd
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Chongqing Zhongyuan Huiji Biotechnology Co Ltd
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Priority to CN202110875475.5A priority Critical patent/CN113588976A/en
Publication of CN113588976A publication Critical patent/CN113588976A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/02Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
    • G01N35/026Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations having blocks or racks of reaction cells or cuvettes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/02Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
    • G01N35/04Details of the conveyor system
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/10Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/02Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
    • G01N35/04Details of the conveyor system
    • G01N2035/0401Sample carriers, cuvettes or reaction vessels
    • G01N2035/0412Block or rack elements with a single row of samples
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/02Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
    • G01N35/04Details of the conveyor system
    • G01N2035/046General conveyor features

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  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The invention discloses a closed sample bin moving device, which comprises: the track mechanism comprises a track base, a guide track is arranged on the track base, and a loading end and a sampling end are respectively arranged at two ends of the guide track; the sliding plate mechanism comprises a sliding plate seat, and the sliding plate seat is installed on the guide rail in a sliding fit manner; the power mechanism drives the sliding plate seat to move between the loading end and the sampling end of the guide rail; the slide plate seat is fixedly provided with a test tube placing assembly used for placing a test tube or a test tube adapter. The invention also discloses a sample analyzer. The closed sample bin moving device and the sample analyzer can drive the sample bin to move between the sampling position and the loading position and realize the posture change, and have the advantages of simple structure and high reliability.

Description

Closed sample bin moving device and sample analyzer
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a closed sample bin moving device and a sample analyzer.
Background
The closed sample bin is mainly used for meeting the emergency call requirements of various medical analysis instruments, and the closed sample bins in the market are mainly manually operated and automatically operated at present. The manual closed sample bin is pulled out of the instrument manually by an operator, and the sample tube is pushed into a sample sucking position in the instrument after being placed; the automatic closed sample bin controls the inlet and outlet of the sample bin through the control interface, and after an operator puts a sample, the sample bin does not need to be pushed manually, and is automatically controlled to be in place. In order to meet the convenience of placing samples by current customers and reduce the probability of misoperation of personnel, the automatic mode is the development trend of the closed sample bin.
Chinese patent publication No. CN206990613U discloses a closed sample bin turnover translation device, which includes: the translation mechanism comprises a sample bin mounting base and a horizontal driving component, the sample bin is mounted on the sample bin mounting base, and a horizontal driving end of the horizontal driving component is connected with the sample bin mounting base so as to drive the sample bin mounting base to move horizontally; and the turnover mechanism is used for driving the sample bin to rotate to a horizontal movement direction by a preset angle in the horizontal movement process. This closed sample storehouse upset translation device passes through tilting mechanism and translation mechanism cooperation, though can realize the translation and the upset in sample storehouse, still has following not enough:
1) the structure is complicated: the translation and the turnover of the sample bin can be realized only by the combined action of the translation mechanism and the turnover mechanism, the structure is complex, and the occupied space is large;
2) poor reliability: set up sample storehouse installation base on linear slide rail, set up the pivot on sample storehouse installation base, install sample storehouse in the pivot, at the in-process that translation mechanism drive sample storehouse installation base removed along linear slide rail, utilize the cooperation relation between slider and the upset track, drive sample storehouse revolutes the rotation of axes to utilize elastic element to provide the required elasticity that resets, though can realize the technical purpose of sample storehouse upset, nevertheless because following two reasons, lead to its reliability relatively poor:
after the elastic element is used for a long time, the elastic deformation coefficient of the elastic element can change or even lose efficacy, so that the sample bin can not reset;
the elastic force applied by the elastic element to the sample bin cannot intersect with the rotating shaft (not be reset), namely the elastic force applied by the elastic element to the sample bin always has a torque effect relative to the rotating shaft, so that the sample bin cannot reach a force balance state through a self structure at a loading position and a sampling position; the loading position needs to be acted by force applied by a synchronous belt, namely, a driving device needs to be always kept in a loading state; in the sampling position, the force of the back plate on which the sample container blocking component is arranged needs to be applied to balance the moment of elasticity, so that the sample bin and the back plate can collide;
3) the sample tube is required to be uncovered before being placed, the operation is complicated, and the risk of cross contamination exists.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a closed sample chamber moving device and a sample analyzer, which can drive a sample chamber to move between a sampling position and a loading position and realize pose posture transformation, and have the advantages of simple structure and high reliability.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention firstly provides a closed sample bin moving device, which comprises:
the track mechanism comprises a track base, a guide track is arranged on the track base, and a loading end and a sampling end are respectively arranged at two ends of the guide track;
the sliding plate mechanism comprises a sliding plate seat, and the sliding plate seat is installed on the guide rail in a sliding fit manner;
the power mechanism drives the sliding plate seat to move between the loading end and the sampling end of the guide rail;
the slide plate seat is fixedly provided with a test tube placing assembly used for placing a test tube or a test tube adapter.
Further, the guide rail is a curved rail, and the guide rail smoothly transitions between the loading end and the sampling end; when the slide seat is positioned at the loading end of the guide rail, the axis of the test tube placing assembly is in a forward inclined posture; when the slide plate seat is positioned at the sampling end of the guide rail, the axis of the test tube placing assembly is positioned in the vertical direction.
Furthermore, a loading end and a sampling end of the guide rail are respectively provided with a position sensor for detecting the position of the slide plate seat.
Furthermore, the position sensor adopts an optical coupler sensor, and a position blocking piece matched with the optical coupler sensor is arranged on the sliding plate seat.
Further, the track base comprises two side plates which are oppositely arranged, and track grooves are correspondingly formed in the opposite side surfaces of the two side plates respectively; the two rail grooves which are respectively arranged on the two side plates are mutually parallel and form the guide rail; and two sides of the sliding plate seat are respectively in sliding fit with the two rail grooves.
Furthermore, the two sides of the sliding plate seat are respectively provided with a sliding plate shaft which extends into the corresponding track groove, the sliding plate shaft is provided with a sliding plate roller which is in running fit with the sliding plate shaft, and the sliding plate roller is in rolling fit with the corresponding track groove.
Furthermore, two sides of the sliding plate seat are respectively provided with two sliding plate shafts at intervals, and each sliding plate shaft is provided with a sliding plate roller which is matched with the corresponding rail groove in a rolling manner.
Furthermore, one side of the sliding plate roller facing the sliding plate seat is provided with a limiting blocking piece.
Further, the slide plate seat is clamped and fixed on the sampling end of the guide rail through a clamping assembly.
Furthermore, the clamping assembly comprises clamping units respectively and correspondingly arranged on the two side plates, each clamping unit comprises a clamping block fixedly arranged on the corresponding side plate, the clamping block is positioned below the corresponding track groove, and at least two clamping wheel assemblies are arranged on the clamping block at intervals; the clamping wheel assembly comprises a clamping wheel which is installed on the clamping block in a rotating fit mode; when the sliding plate seat is positioned at the sampling end of the guide track, the clamping wheel assemblies apply vertical opposite clamping force to the sliding plate seat and enable the sliding plate seat to abut against the upper side wall of the track groove.
Further, the power mechanism comprises a poke rod shaft which is installed on the track base in a rotating fit mode and a power motor which is used for driving the poke rod shaft to rotate, a poke rod which rotates synchronously with the poke rod shaft is arranged on the poke rod shaft, and a poke groove is formed in the poke rod;
an idler shaft is arranged on the bottom surface of the sliding plate seat; the idler shaft and the poking rod shaft are parallel to each other, and the idler shaft is always positioned in the poking groove.
Furthermore, an inert wheel in running fit with the idler shaft is arranged on the idler shaft, and the inert wheel is always positioned in the shifting groove and is in rolling fit with the shifting groove.
Further, the distance between the two side walls of the shifting groove is slightly larger than the outer diameter of the inert wheel.
Furthermore, two idler installation seats which are oppositely arranged are arranged on the bottom surface of the sliding plate seat, the idler shaft is installed between the two idler installation seats, idler limiting sleeves are respectively arranged between the two ends of the idler shaft and the two idler installation seats, and the idler limiting sleeves are sleeved on the idler shaft.
Further, the poke rod shaft is coaxial with and fixedly connected with an output shaft of the power motor; or the poke rod shaft is parallel to the output shaft of the power motor, and the poke rod shaft is in transmission connection with the output shaft of the power motor.
Further, the poke rod shaft is in transmission connection with an output shaft of the power motor through a belt transmission mechanism, a gear transmission mechanism or a chain transmission mechanism.
Further, a driving wheel is arranged on an output shaft of the power motor, and a driven wheel is arranged on the poke rod shaft;
the driving wheel and the driven wheel both adopt belt wheels, and a transmission belt is arranged between the driving wheel and the driven wheel; or the like, or, alternatively,
the driving wheel and the driven wheel are both gears, and are meshed with each other; or the like, or, alternatively,
the driving wheel and the driven wheel are both chain wheels, and a transmission chain is arranged between the driving wheel and the driven wheel.
Further, a bearing seat is arranged on the track base; at least two bearings are arranged between the poke rod shaft and the bearing seat at intervals, and a limiting shaft sleeve sleeved on the poke rod shaft is arranged between every two adjacent bearings.
Further, the subassembly is placed to the test tube includes the outer tube, be equipped with the upper end opening in the outer tube and be used for placing the test tube of test tube or test tube adapter and place the chamber, the test tube is placed the bottom annular equipartition in chamber and is equipped with and is used for with test tube or test tube adapter location are in the test tube places the positioning unit in chamber middle part, the middle part or the upper portion annular equipartition that the test tube placed the chamber are equipped with and are used for pressing from both sides tightly test tube or test tube adapter's the tight unit of clamp.
The invention also provides a sample analyzer which comprises the closed sample cabin moving device.
The invention has the beneficial effects that:
the closed sample bin moving device is characterized in that the slide plate seat is arranged on the guide rail of the guide rail mechanism, and the two ends of the guide rail are respectively provided with the loading end and the sampling end, so that the slide plate seat is driven to move between the loading end and the sampling end of the guide rail by the power mechanism, the posture of the slide plate seat can be adjusted by the aid of the posture adjustment effect of the guide rail on the slide plate seat, and the stress balance of a sample bin between a sampling position and a loading position can be realized by the aid of the interaction force between the guide rail and the slide plate seat.
Drawings
In order to make the object, technical scheme and beneficial effect of the invention more clear, the invention provides the following drawings for explanation:
FIG. 1 is a schematic structural diagram of an embodiment of an enclosed sample compartment moving device according to the present invention;
FIG. 2 is a schematic structural diagram of a side plate provided with a power motor;
FIG. 3 is a schematic view of a lever shaft;
FIG. 4 is a schematic view of a side plate with a position sensor mounted thereon;
FIG. 5 is a schematic structural view of the slide plate seat;
FIG. 6 is a schematic diagram of an embodiment of a tube placement assembly;
FIG. 7 is a schematic structural diagram of a positioning unit;
FIG. 8 is a schematic view of the structure of the clamping unit;
FIG. 9 is a view showing a state of use in directly placing a test tube in the test tube placing assembly;
FIG. 10 is a view showing the use of the short tube adapter in the tube placement assembly;
FIG. 11 is a schematic view of a short cuvette adapter;
FIG. 12 is a view of the centrifuge tube adapter in use positioned within the tube placement assembly;
FIG. 13 is a schematic view of a first configuration of a centrifuge tube adapter;
figure 14 is a second configuration of a centrifuge tube adapter.
Description of reference numerals:
1-test tube;
10-outer sleeve; 11-test tube placing cavity; 12-positioning the adapter plate; 13-positioning blocks; 13 a-a guide ramp; 14-clamping the adapter plate; 15-clamping the marble;
20-fitting a cannula; 21-test tube cavity; 22-a conical section; 23-an annular groove; 24-a test tube clamping unit;
30-an adapter sleeve; 31-a withdrawal stopping tube; 32-centrifuge tube; 33-a first stop collar; 34-a second stop collar; 35-a third stop collar; 36-a spring;
40-a rail mount; 41-side plate; 41 a-a bottom plate; 42-a track groove; 43-a clamping block; 44-a clamping wheel; 45-rubber sleeve; 46-a position sensor; 47-a bearing seat; 48-a bearing; 49-limit shaft sleeve;
50-a slide plate seat; 51-a tube placement assembly; 52-a slide shaft; 53-skateboard rollers; 54-a limit stop sheet; a 55-position stop; 56-an idler shaft; 57-an idler wheel; 58-idler mount; 59-idler wheel limit sleeve;
61-a lever shaft; 62-a power motor; 63-a deflector rod; 64-groove shifting; 65-driving wheel; 66-driven wheel; 67-drive belt.
Detailed Description
The present invention is further described with reference to the following drawings and specific examples so that those skilled in the art can better understand the present invention and can practice the present invention, but the examples are not intended to limit the present invention.
Fig. 1 is a schematic structural diagram of an embodiment of the enclosed sample compartment moving device according to the present invention. The closed sample bin moving device comprises a track mechanism, a sliding plate mechanism and a power mechanism. The track mechanism of this embodiment includes track base 40, is equipped with the guide rail on the track base 40, and the guide rail's both ends are loading end and sample end respectively. Correspondingly, the loading end of the guide track corresponds to the loading position of the sample bin, and the sampling end corresponds to the sampling position of the sample bin. The slide mechanism of this embodiment includes a slide base 50, and the slide base 50 is slidably fitted to the guide rail. The power mechanism of this embodiment drives the slide carriage 50 between the loading and sampling ends of the guide rails. The slide plate seat 50 of the present embodiment is fixedly installed with a test tube placing assembly 51 for placing a test tube or a test tube adapter, that is, the test tube placing assembly 51 moves along with the slide plate seat 50 between the loading end and the sampling end of the guide track.
In particular, the guide track of this embodiment is a curved track, and the guide track smoothly transitions between the loading end and the sampling end. When the slide mount 50 is located at the loading end of the guide rail, the axis of the test tube placing assembly 51 is in a forward inclined posture; when the slide mount 50 is positioned at the sampling end of the guide rail, the axis of the test tube placement assembly 51 is positioned in the vertical direction. I.e. the side of the loading end facing away from the sampling end is defined herein as the front. The guide rail is set to be a curved rail, and the position posture of the slide plate seat 50 is adjusted by utilizing the limiting effect of the guide rail on the slide plate seat 50, so that the slide plate seat 50 can respectively reach the set position posture at the loading end and the sampling end.
Further, the track base 40 includes two side plates 41 disposed oppositely, and track grooves 42 are correspondingly disposed on opposite side surfaces of the two side plates 41; the two rail grooves 42 respectively arranged on the two side plates 41 are parallel to each other and form a guide rail; two sides of the slide plate seat 50 are respectively in sliding fit with the two track grooves 42. The slide seat 50 can be kept stable during the movement by the guide rail formed by the two rail grooves 42. The two sides of the slide plate seat 50 of this embodiment are respectively provided with a slide plate shaft 52 extending into the corresponding track groove 42, the slide plate shaft 52 is provided with a slide plate roller 53 in running fit with the slide plate shaft, and the slide plate roller 53 is in rolling fit with the corresponding track groove 42, so that the resistance of the slide plate seat 50 moving in the track groove 42 is reduced, and the slide plate seat moves more stably and smoothly. Two sides of the slide plate seat 50 of this embodiment are respectively provided with two slide plate shafts 52 at intervals, each slide plate shaft 52 is provided with a slide plate roller 53 in rolling fit with the corresponding track groove 42, at least two slide plate rollers 53 are arranged on each side of the slide plate seat 50, and the technical purpose of adjusting the pose posture of the slide plate seat 50 by using the track groove 42 can be realized by using the fit relationship between the plurality of slide plate rollers 53 and the track groove 42, and each side of the slide plate seat 50 of this embodiment is provided with two slide plate rollers 53. Specifically, a bottom plate 41a is further disposed below the two side plates 41 of the present embodiment, and both the two side plates 41 are fixedly mounted on the bottom plate 41 a. Preferably, the side of the slide roller 53 facing the slide seat 50 of the present embodiment is provided with a limiting stop piece 54, and the limiting stop piece 54 is used for limiting the gap between the slide seat 50 and the side plates 41 at two sides, so as to maintain a relatively ideal movement gap therebetween.
The enclosed sample compartment moving device of this embodiment further comprises a clamping assembly for clamping and fixing the slide plate holder 50 to the sampling end of the guide rail. The clamping assembly of the embodiment comprises clamping units respectively correspondingly arranged on the two side plates 41, each clamping unit comprises a clamping block 43 fixedly arranged on the corresponding side plate 41, the clamping block 43 is positioned below the corresponding track groove 42, and at least two clamping wheel assemblies are arranged on the clamping block 43 at intervals; the clamping wheel assembly comprises a clamping wheel 44 which is arranged on the clamping block 43 in a rotating fit mode, and in the embodiment, a rubber sleeve 45 is sleeved on the clamping wheel 44; when the slide plate mount 50 is positioned at the sampling end of the guide rail, the clamping wheel assemblies apply vertically opposing clamping forces to the slide plate mount 50 and urge the slide plate mount 50 against the upper sidewall of the rail groove 42. The slide plate seat 50 is clamped and fixed at the sampling end of the guide rail by the clamping assembly, so that the slide plate seat 50 is kept in a fixed posture at the sampling position, and cannot shake due to gaps among all parts, and the sampling needle is used for sampling.
The power mechanism of the embodiment comprises a toggle rod shaft 61 which is installed on the track base 40 in a rotating fit manner and a power motor 62 which is used for driving the toggle rod shaft 61 to rotate, wherein a toggle rod 63 which rotates synchronously with the toggle rod shaft 61 is arranged on the toggle rod shaft 61, and a toggle groove 64 is arranged on the toggle rod 63. The power motor 62 of the present embodiment is fixedly mounted on one of the side plates 41. An idler shaft 56 is arranged on the bottom surface of the slide plate seat 50 of the embodiment; the idler shaft 56 and the lever shaft 61 are parallel to each other, and the idler shaft 56 is always positioned in the lever groove 64. In this way, the power motor 62 is used to drive the shift lever shaft 61 to rotate, so as to drive the shift lever 63 and the shift lever shaft 61 to rotate synchronously, and the slide plate seat 50 is driven to move along the guide rail by virtue of the matching relationship between the shift groove 64 and the idler shaft 56, that is, the idler shaft 65 can slide along the shift groove 64 relative to the shift lever 63 while the shift lever 63 rotates. The two side walls of the toggle groove 64 of the present embodiment are parallel to the idler shaft 56, and the symmetry plane between the two side walls of the toggle groove 64 passes through the axis of the toggle rod shaft 61. The track base 40 of the present embodiment is provided with a bearing seat 47; at least two bearings 48 are arranged between the poke rod shaft 61 and the bearing seat 47 at intervals, and a limiting shaft sleeve 49 sleeved on the poke rod shaft 61 is arranged between every two adjacent bearings 48. In the present embodiment, two bearings 48 are provided at an interval between the lever shaft 61 and the bearing support 47, and a plurality of bearings 48 are provided between the lever shaft 61 and the bearing support 47, whereby the coaxiality of the lever shaft 61 during rotation can be improved and the stability can be improved. The bearing seat 47 of the present embodiment is provided on the same side plate 41 as the power motor 62.
Preferably, the idler shaft 56 is provided with an idler wheel 57 in rotating fit with the idler shaft, and the idler wheel 57 is always positioned in the shifting groove 64 and is in rolling fit with the shifting groove 64, so that the resistance of the idler shaft 56 to sliding relative to the shifting rod 63 along the shifting groove 64 is reduced. Specifically, two idler mounting seats 58 which are oppositely arranged are arranged on the bottom surface of the slide plate seat 50 of the embodiment, the idler shaft 56 is mounted between the two idler mounting seats 58, idler limiting sleeves 59 are respectively arranged between two ends of the idler shaft 56 and the two idler mounting seats 58, and the idler limiting sleeves 59 are sleeved on the idler shaft 56.
Further, various connection modes can be adopted between the poke rod shaft 61 and the power motor 62. For example, the poke rod shaft 61 is coaxial and fixedly connected with the output shaft of the power motor 62; and the poke rod shaft 61 and the output shaft of the power motor 62 are parallel to each other, and the poke rod shaft 61 and the output shaft of the power motor 62 are in transmission connection, so that the technical purpose of driving the poke rod shaft 61 to rotate by the power motor 62 can be realized. In the present embodiment, the output shafts of the lever shaft 61 and the power motor 62 are parallel to each other. Specifically, various transmission modes can be adopted between the poke rod shaft 61 and the output shaft of the power motor 62. For example, the toggle rod shaft 61 is in transmission connection with an output shaft of the power motor 62 by adopting a belt transmission mechanism, a gear transmission mechanism or a chain transmission mechanism. Specifically, the transmission mode structure may be: the output shaft of the power motor 62 is provided with a driving wheel 65, and the toggle rod shaft 61 is provided with a driven wheel 66. When the driving wheel 65 and the driven wheel 66 both adopt belt wheels, a transmission belt 67 is arranged between the driving wheel 65 and the driven wheel 66; when the driving wheel 65 and the driven wheel 66 both adopt gears, the driving wheel 65 and the driven wheel 66 are meshed with each other; when the driving wheel 65 and the driven wheel 66 both adopt chain wheels, a transmission chain is arranged between the driving wheel 65 and the driven wheel 66. The driving pulley 65 and the driven pulley 66 of the present embodiment both use belt pulleys, and a transmission belt 67 is provided between the driving pulley 65 and the driven pulley 66. Of course, the toggle rod shaft 61 and the output shaft of the power motor 62 can be in transmission connection by adopting other various transmission modes, such as a gear-rack transmission mechanism, a cam transmission mechanism, and the like, which are not described repeatedly.
Further, the loading end and the sampling end of the guide rail are respectively provided with a position sensor 46 for detecting the position of the slide deck 50. The position sensor 41 of this embodiment adopts an optical coupler sensor, and the slide plate seat 50 is provided with a position blocking piece 55 matched with the optical coupler sensor. The position sensor 46 of the present embodiment is provided on one of the side plates 41, and the position shutter 55 is fixedly mounted on the idler pulley mount 58 facing the side plate 41.
Further, as shown in fig. 6, the subassembly is placed to the test tube of this embodiment, including outer tube 10, be equipped with the upper end opening in the outer tube 10 and be used for placing the test tube of test tube or test tube adapter and place chamber 11, the bottom annular equipartition that chamber 11 was placed to the test tube is equipped with and is used for placing the positioning unit in chamber 11 middle part at the test tube with test tube or test tube adapter location, and the middle part or the upper portion annular equipartition that chamber 11 was placed to the test tube are equipped with and are used for pressing from both sides the tight unit of clamp of tight test tube or test tube adapter.
Further, the positioning unit of this embodiment includes a positioning adapter plate 12 fixedly mounted on the sidewall of the test tube placing cavity 11, a positioning block 13 is disposed on the inner side surface of the positioning adapter plate 12, and the positioning block 13 is made of a flexible material. The locating piece 13 of this embodiment is located the radial direction that the chamber 11 was placed to the test tube, and the inner upper portion that the locating piece 13 of this embodiment kept away from corresponding location keysets 12 is equipped with the direction inclined plane 13a that is used for leading test tube or test tube adapter, plays the technical purpose that advances line location direction to test tube or test tube adapter, makes test tube or test tube adapter can pinpoint between the positioning unit of annular equipartition. Specifically, the positioning block 13 of this embodiment is made of foam silica gel. Through the positioning unit that the annular equipartition set up, can satisfy and carry out the purpose of fixing a position to test tube or test tube adapter. Through adopting flexible material to make locating piece 13, can come the test tube or the test tube adapter of different pipe diameters of adaptation through the flexible deformation of locating piece 13, the commonality is better.
Further, the clamping unit of this embodiment includes the tight keysets 14 of the clamp of fixed mounting on the test tube placing chamber 11 lateral wall, presss from both sides to be equipped with on the tight keysets 14 and is used for applying the tight marble 15 of clamp force to test tube or test tube adapter, presss from both sides to be equipped with in the tight keysets 14 and is used for the tight clamp spring who presss from both sides tight marble 15 in top to make and press from both sides tight marble 15 and can place the radial direction removal in chamber 11 towards the test tube, with the tight different test tube of clamp or test tube adapter.
Specifically, as shown in fig. 10 to 11, when the test tube adapter is a short test tube adapter for adapting to a short test tube with a short length, the short test tube adapter at this time includes an adapting sleeve 20, a test tube cavity 21 for placing the short test tube is arranged in the adapting sleeve 20, and test tube clamping units 24 for clamping the short test tube are annularly and uniformly arranged on the side wall of the test tube cavity 21. The test tube clamping unit has the same structure as the positioning unit; of course, the test tube clamping unit may also adopt the structure of the positioning unit, which will not be described in detail.
Specifically, the bottom of the adapting sleeve 20 of the present embodiment is provided with a positioning portion matched with the positioning unit, the positioning portion of the present embodiment is a conical section 22 arranged at the bottom of the adapting sleeve 20, and the technical purpose of guiding and positioning the adapting sleeve 20 can be achieved by matching the conical section 22 with the positioning blocks 13 which are annularly and uniformly distributed.
The middle or upper portion of the adapter sleeve 20 of the present embodiment is provided with a clamping portion for cooperating with a clamping unit. Specifically, the clamping portion of the present embodiment is an annular groove 23 disposed on the adapter sleeve 20 and engaged with the clamping ball 15, and the clamping ball 15 not only exerts a radial clamping force on the adapter sleeve 20, but also utilizes the positioning relationship between the clamping ball 15 and the annular groove 23 to realize the positioning and installation of the adapter sleeve 20 in the outer sleeve 10.
Further, when the centrifuging tube adapter of test tube adapter for being used for the adaptation centrifuging tube, the centrifuging tube adapter can adopt following two kinds of structures:
as shown in fig. 13, the first structure of the centrifuge tube adapter has the following specific embodiments:
this centrifuging tube adapter includes adapter sleeve 30, and adapter sleeve 30's one end is equipped with rather than sliding fit's stopping pipe 31, is equipped with the centrifuging tube that is used for placing centrifuging tube 32 on stopping pipe 31's the outer terminal surface and places the hole. A flexible elastic member for generating elastic deformation when the retaining pipe 31 receives a force in the inward direction is provided in the adapter sleeve 30.
Further, a limiting structure is arranged between the retaining pipe 31 and the adapter sleeve 30. The limiting structure comprises a first limiting ring 33 and a second limiting ring 34 which are arranged on the outer side wall of the retaining pipe 31 at intervals, and a third limiting ring 35 which is arranged on the inner wall of the adapter sleeve 30; the third stop collar 35 is located between the first stop collar 33 and the second stop collar 34, and the inner diameter of the third stop collar 35 is smaller than the outer diameters of the first stop collar 33 and the second stop collar 34. Thus, under the limiting action of the third limiting ring 35, the retaining tube 31 can only move within the range of the spacing distance between the first limiting ring 33 and the second limiting ring 34, so that the retaining ring 31 is limited.
Further, the flexible resilient member employs a spring 36 disposed between the check ring 31 and the adapter sleeve 30. The spring 36 can be arranged in various ways: if the inner end surface of the anti-retreat tube 31 is closed, and the end of the adapter sleeve 30 not provided with the anti-retreat tube 31 is also closed, the spring 36 can be arranged between the inner end surface of the anti-retreat tube 31 and the closed end of the adapter sleeve 30; of course, the spring 36 may be sleeved on the stopping pipe 31, and at this time, one end of the spring 36 is in limit fit with the first limiting ring 33 or the second limiting ring 34, and the other end of the spring 36 is fixedly connected with the adapter sleeve 30 or in limit fit with a fixed structure in the adapter sleeve 30. Of course, the arrangement of the spring 36 is not limited to the two proposed in the present embodiment, and other existing manners can be implemented without being repeated.
The centrifuging tube adapter of this embodiment through set up in the adapter sleeve and end pipe and flexible elastic component, sliding fit between end pipe and the adapter sleeve, and when the sample, the sample needle from outer to interior stretch into the centrifuging tube and with the centrifuging tube end contact after, the sample is to the power transmission to the inboard direction that the centrifuging tube was applyed on ending the pipe, drive flexible elastic component produces elastic deformation, thereby avoid the centrifuging tube to be impaled by the sample needle, improve the sample success rate.
As shown in fig. 14, the second structure of the centrifuge tube adapter is as follows:
this centrifuging tube adapter includes adapter sleeve 30, and adapter sleeve 30's both ends are equipped with respectively rather than sliding fit's stopping pipe 31, and two stopping pipes 31 are equipped with the centrifuging tube that is used for placing centrifuging tube 32 on the outer terminal surface that carries on the back mutually respectively and place the hole. The adapter sleeve 30 is provided therein with a flexible elastic member for elastically deforming when the corresponding retaining tube 31 receives a force in the inward direction. By providing the backstop tubes 31 at both ends of the adapter sleeve 30, the adaptation requirements of the centrifuge tubes 32 of two different types can be met.
Further, a limiting structure is respectively arranged between the two anti-back pipes 31 and the adapter sleeve 30. The limiting structure comprises a first limiting ring 33 and a second limiting ring 34 which are arranged on the outer side wall of the retaining pipe 31 at intervals, and third limiting rings 35 which are arranged on the inner wall of the adapter sleeve 30 and correspond to the retaining rings 31 one by one; the third position-limiting ring 35 is located between the corresponding first position-limiting ring 33 and the second position-limiting ring 34, and the inner diameter of the third position-limiting ring 35 is smaller than the outer diameter of the corresponding first position-limiting ring 33 and the second position-limiting ring 34.
Further, the flexible elastic member employs a spring 36. The spring 36 may be provided in a variety of ways. If the springs 36 and the anti-back rings 31 are correspondingly arranged in two one-to-one manner, and the springs 36 are located between the corresponding anti-back rings 31 and the adapter sleeve 30, a fixing structure located between the two anti-back rings 31 can be arranged in the adapter sleeve 30, one end of each spring 36 is in limit fit with the corresponding anti-back ring 31, and the other end of each spring 36 is in limit fit with the fixing structure or is fixedly connected with the fixing structure. The fixing structure may be a partition plate, a spacer ring, or the like disposed between the two retaining rings 31, which will not be described in detail. In this embodiment, one spring 36 is provided, the first limit ring 33 of the same anti-backing tube 31 is located outside the second limit ring 34, and the spring 36 is sleeved on the two anti-backing rings 31 and located between the second limit rings 34 of the two anti-backing rings 31. And the sum of the distance between the first limiting ring 33 of one of the two anti-backing rings 31 and the inner end surface thereof and the distance between the second limiting ring 34 of the other anti-backing ring 31 and the inner end surface thereof is less than or equal to the distance between the two third limiting rings 35 arranged in the adapter sleeve 30.
The centrifuging tube adapter of this embodiment through set up in the adapter sleeve and end pipe and flexible elastic component, sliding fit between end pipe and the adapter sleeve, and when the sample, the sample needle from outer to interior stretch into the centrifuging tube and with the centrifuging tube end contact after, the sample is to the power transmission to the inboard direction that the centrifuging tube was applyed on ending the pipe, drive flexible elastic component produces elastic deformation, thereby avoid the centrifuging tube to be impaled by the sample needle, improve the sample success rate.
In the test tube placing assembly of the embodiment, the test tube placing cavity is formed in the outer sleeve, and the positioning unit is arranged at the bottom of the test tube placing cavity and can position a test tube or a test tube adapter at the middle position of the test tube placing cavity; the test tube placing assembly comprises a test tube placing cavity, a clamping unit and a positioning unit, wherein the clamping unit is arranged at the middle part or the upper part of the test tube placing cavity and is used for clamping a test tube or a test tube adapter, and thus, under the combined action of the positioning unit and the clamping unit, the test tube or the test tube adapter is positioned, clamped and fixed in the test tube placing cavity.
The closed sample bin moving device of the embodiment is characterized in that the slide plate seat is arranged on the guide rail of the guide rail mechanism, and the two ends of the guide rail are respectively provided with the loading end and the sampling end, so that the slide plate seat is driven by the power mechanism to move between the loading end and the sampling end of the guide rail, the posture of the slide plate seat can be adjusted by utilizing the adjusting action of the guide rail on the posture of the slide plate seat, and the stress balance of the sample bin between the sampling position and the loading position can be realized by utilizing the interaction force between the guide rail and the slide plate seat.
Specifically, the embodiment further provides a sample analyzer using the closed sample bin moving device.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.

Claims (19)

1. A closed sample storehouse mobile device which characterized in that: the method comprises the following steps:
the track mechanism comprises a track base (40), a guide track is arranged on the track base (40), and a loading end and a sampling end are respectively arranged at two ends of the guide track;
the sliding plate mechanism comprises a sliding plate seat (50), and the sliding plate seat (50) is installed on the guide rail in a sliding fit manner;
the power mechanism drives the sliding plate seat (50) to move between the loading end and the sampling end of the guide rail;
the slide plate seat (50) is fixedly provided with a test tube placing assembly (51) for placing a test tube or a test tube adapter.
2. The enclosed sample compartment movement apparatus of claim 1, wherein: the guide rail is a curved rail and is in smooth transition between the loading end and the sampling end; when the slide seat (50) is located at the loading end of the guide rail, the axis of the test tube placement assembly (51) is in a forward inclined posture; when the slide plate seat (50) is positioned at the sampling end of the guide track, the axis of the test tube placing assembly (51) is positioned in the vertical direction.
3. The enclosed sample compartment movement apparatus of claim 1, wherein: and the loading end and the sampling end of the guide rail are respectively provided with a position sensor (46) for detecting the position of the slide plate seat (50).
4. The enclosed sample compartment movement apparatus of claim 2, wherein: the position sensor (41) adopts an optical coupler sensor, and a position blocking piece (55) matched with the optical coupler sensor is arranged on the sliding plate seat (50).
5. The enclosed sample compartment movement apparatus of any one of claims 1-4, wherein: the track base (40) comprises two side plates (41) which are oppositely arranged, and track grooves (42) are correspondingly arranged on the opposite side surfaces of the two side plates (41) respectively; the two track grooves (42) respectively arranged on the two side plates (41) are parallel to each other and form the guide track; two sides of the sliding plate seat (50) are respectively in sliding fit with the two rail grooves (42).
6. The enclosed sample compartment movement apparatus of claim 5, wherein: the both sides of slide plate seat (50) are equipped with respectively and extend to corresponding slide plate axle (52) in track groove (42), be equipped with on slide plate axle (52) rather than normal running fit's slide plate gyro wheel (53), slide plate gyro wheel (53) and corresponding roll cooperation between track groove (42).
7. The enclosed sample compartment movement apparatus of claim 6, wherein: two sliding plate shafts (52) are respectively arranged on two sides of the sliding plate seat (50) at intervals, and each sliding plate shaft (52) is provided with a sliding plate roller (53) which is in rolling fit with the corresponding track groove (42).
8. The enclosed sample compartment movement apparatus of claim 6, wherein: one side of the sliding plate roller (53) facing the sliding plate seat (50) is provided with a limiting stop piece (54).
9. The enclosed sample compartment movement apparatus of claim 5, wherein: the slide plate device also comprises a clamping assembly for clamping and fixing the slide plate seat (50) on the sampling end of the guide rail.
10. The enclosed sample compartment movement apparatus of claim 9, wherein: the clamping assembly comprises clamping units which are correspondingly arranged on the two side plates (41) respectively, each clamping unit comprises a clamping block (43) fixedly arranged on the corresponding side plate (41), the clamping block (43) is positioned below the corresponding track groove (42), and at least two clamping wheel assemblies are arranged on the clamping block (43) at intervals; the clamping wheel assembly comprises a clamping wheel (44) which is installed on the clamping block (43) in a rotating fit manner; when the sliding plate seat (50) is positioned at the sampling end of the guide track, the clamping wheel assemblies apply vertical opposite clamping force to the sliding plate seat (50) and enable the sliding plate seat (50) to abut against the upper side wall of the track groove (42).
11. The enclosed sample compartment movement apparatus of any one of claims 1-4, wherein: the power mechanism comprises a poke rod shaft (61) which is installed on the track base (40) in a rotating fit mode and a power motor (62) which is used for driving the poke rod shaft (61) to rotate, a poke rod (63) which rotates synchronously with the poke rod shaft (61) is arranged on the poke rod shaft (61), and a poke groove (64) is formed in the poke rod (63);
an idler shaft (56) is arranged on the bottom surface of the sliding plate seat (50); the idler shaft (56) and the poke rod shaft (61) are parallel to each other, and the idler shaft (56) is always located in the poke groove (64).
12. The enclosed sample compartment movement apparatus of claim 11, wherein: an idler wheel (57) in running fit with the idler shaft (56) is arranged on the idler shaft, and the idler wheel (57) is always positioned in the shifting groove (64) and is in rolling fit with the shifting groove (64).
13. The enclosed sample compartment movement apparatus of claim 12, wherein: two idler wheel installation seats (58) which are oppositely arranged are arranged on the bottom surface of the sliding plate seat (50), the idler wheel shaft (56) is installed between the two idler wheel installation seats (58), idler wheel limiting sleeves (59) are respectively arranged between two ends of the idler wheel shaft (56) and the two idler wheel installation seats (58), and the idler wheel limiting sleeves (59) are sleeved on the idler wheel shaft (56).
14. The enclosed sample compartment movement apparatus of claim 11, wherein: the poke rod shaft (61) is coaxial with and fixedly connected with an output shaft of the power motor (62); or the poke rod shaft (61) and the output shaft of the power motor (62) are parallel to each other, and the poke rod shaft (61) and the output shaft of the power motor (62) are in transmission connection.
15. The enclosed sample compartment movement apparatus of claim 14, wherein: the poke rod shaft (61) is in transmission connection with an output shaft of the power motor (62) through a belt transmission mechanism, a gear transmission mechanism or a chain transmission mechanism.
16. The enclosed sample compartment movement apparatus of claim 15, wherein: a driving wheel (65) is arranged on an output shaft of the power motor (62), and a driven wheel (66) is arranged on the poke rod shaft (61);
the driving wheel (65) and the driven wheel (66) both adopt belt wheels, and a transmission belt (67) is arranged between the driving wheel (65) and the driven wheel (66); or the like, or, alternatively,
the driving wheel (65) and the driven wheel (66) both adopt gears, and the driving wheel (65) and the driven wheel (66) are meshed with each other; or the like, or, alternatively,
the driving wheel (65) and the driven wheel (66) both adopt chain wheels, and a transmission chain is arranged between the driving wheel (65) and the driven wheel (66).
17. The enclosed sample compartment movement apparatus of claim 11, wherein: a bearing seat (47) is arranged on the track base (40); at least two bearings (48) are arranged between the poke rod shaft (61) and the bearing seat (47) at intervals, and a limiting shaft sleeve (49) sleeved on the poke rod shaft (61) is arranged between every two adjacent bearings (48).
18. The enclosed sample compartment movement apparatus of any one of claims 1-4, 6-10, 12-17, wherein: the test tube is placed subassembly (51) and is included outer tube (10), be equipped with the upper end opening in outer tube (10) and be used for placing test tube or test tube adapter's test tube and place chamber (11), the test tube place the bottom annular equipartition of chamber (11) be equipped with be used for with test tube or test tube adapter location are in the test tube places the positioning unit at chamber (11) middle part, the middle part or the upper portion annular equipartition that chamber (11) were placed to the test tube are equipped with and are used for pressing from both sides the tight unit of clamp of test tube or test tube adapter.
19. A sample analyzer, comprising: comprising an enclosed sample compartment moving device according to any one of claims 1-18.
CN202110875475.5A 2021-07-30 2021-07-30 Closed sample bin moving device and sample analyzer Pending CN113588976A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110875475.5A CN113588976A (en) 2021-07-30 2021-07-30 Closed sample bin moving device and sample analyzer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110875475.5A CN113588976A (en) 2021-07-30 2021-07-30 Closed sample bin moving device and sample analyzer

Publications (1)

Publication Number Publication Date
CN113588976A true CN113588976A (en) 2021-11-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110875475.5A Pending CN113588976A (en) 2021-07-30 2021-07-30 Closed sample bin moving device and sample analyzer

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Country Link
CN (1) CN113588976A (en)

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KR20090038754A (en) * 2007-10-16 2009-04-21 임완길 Stopper assembly for sliding hanger door
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CN204855540U (en) * 2015-07-10 2015-12-09 四川迈克生物医疗电子有限公司 Sample analysis appearance and emergency call module thereof
CN108982886A (en) * 2017-06-05 2018-12-11 深圳迈瑞生物医疗电子股份有限公司 Sample analyser sampling structure, sample analyser and the method for sampling
CN109682981A (en) * 2017-10-19 2019-04-26 深圳迈瑞生物医疗电子股份有限公司 Sample transporting apparatus, sample analysis system and its control method
CN209082165U (en) * 2018-07-27 2019-07-09 诸暨轻工时代机器人科技有限公司 A kind of small-pitch computerized emboridering machine refoots line mechanical device automatically
CN111562403A (en) * 2020-07-15 2020-08-21 宁波华仪宁创智能科技有限公司 Control device and automatic sampling system for closed space
CN213600730U (en) * 2020-10-30 2021-07-02 深圳市瑞图生物技术有限公司 Sample introduction device and sample analyzer

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090038754A (en) * 2007-10-16 2009-04-21 임완길 Stopper assembly for sliding hanger door
EP2581535A2 (en) * 2011-10-13 2013-04-17 Rollmech Automotive Sanayi Ve Ticaret Anonim Sirketi Improved stop mechanism for sliding doors
JP2014169559A (en) * 2013-03-04 2014-09-18 Skb Co Ltd Runner stopper
CN203662566U (en) * 2013-12-19 2014-06-25 佛山市顺德区美的饮水机制造有限公司 Water drinking equipment
CN204855540U (en) * 2015-07-10 2015-12-09 四川迈克生物医疗电子有限公司 Sample analysis appearance and emergency call module thereof
CN108982886A (en) * 2017-06-05 2018-12-11 深圳迈瑞生物医疗电子股份有限公司 Sample analyser sampling structure, sample analyser and the method for sampling
CN109682981A (en) * 2017-10-19 2019-04-26 深圳迈瑞生物医疗电子股份有限公司 Sample transporting apparatus, sample analysis system and its control method
CN209082165U (en) * 2018-07-27 2019-07-09 诸暨轻工时代机器人科技有限公司 A kind of small-pitch computerized emboridering machine refoots line mechanical device automatically
CN111562403A (en) * 2020-07-15 2020-08-21 宁波华仪宁创智能科技有限公司 Control device and automatic sampling system for closed space
CN213600730U (en) * 2020-10-30 2021-07-02 深圳市瑞图生物技术有限公司 Sample introduction device and sample analyzer

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