CN219039093U

CN219039093U - Sample injection mechanism and analyzer

Info

Publication number: CN219039093U
Application number: CN202223079207.1U
Authority: CN
Inventors: 谢超群; 肖春辉; 李晓东
Original assignee: Shenzhen Comen Medical Instruments Co Ltd
Current assignee: Shenzhen Comen Medical Instruments Co Ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-05-16
Anticipated expiration: 2032-11-18

Abstract

The utility model discloses a sample injection mechanism analyzer, and relates to the technical field of medical instruments. The sample feeding mechanism comprises a base, a guide piece, a sample bin, a rotating wheel and a rotating seat. The guide piece is arranged on the base; the sample bin is slidably arranged on the guide piece and can rotate relative to the guide piece, and the sample bin is used for receiving a test tube; the rotating wheel is rotationally connected to the side wall of the sample bin; the rotating seat is rotationally connected to the base, a guide plate is arranged at the position of the rotating seat corresponding to the rotating wheel, the rotating wheel is arranged on the guide plate in a sliding mode, the guide plate is used for driving the sample bin to rotate relative to the base when rotating, and then the guide plate can be matched with the guide piece to guide the movement of the sample bin. The utility model solves the technical problem that the existing sample injection mechanism needs a large external space.

Description

Sample injection mechanism and analyzer

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a sample injection mechanism and an analyzer.

Background

An analyzer is a blood analyzer capable of measuring and analyzing different samples together by a reagent, for example, analyzing blood. The existing analyzer is generally provided with a sample feeding mechanism, the sample feeding mechanism comprises a sample bin and a driving assembly, the sample bin is used for receiving a test tube with a sample, then the sample bin is pushed into the analyzer under the driving of the driving assembly, the moving mode of the sample bin is mostly linear movement at present, a large external space is required to be occupied, and when the external space around the analyzer is narrow, the operation difficulty is brought to taking out and placing the test tube.

Disclosure of Invention

In view of the above, the utility model provides a sample injection mechanism and an analyzer, which are used for solving the technical problem that the existing sample injection mechanism needs a large external space.

In order to solve the technical problems, the first technical scheme adopted by the utility model is as follows:

a sample injection mechanism, the sample injection mechanism comprising:

a base;

a guide mounted to the base;

the sample bin is arranged on the guide piece in a sliding manner and can rotate relative to the guide piece, and the sample bin is used for receiving the test tube;

a rotating wheel rotatably connected to the side wall of the sample bin;

and the rotating seat is rotationally connected to the base, a guide plate is arranged at the position of the rotating seat corresponding to the rotating wheel, the rotating wheel is arranged on the guide plate in a sliding mode, and the guide plate is used for driving the sample bin to rotate relative to the base when rotating, so that the guide plate can cooperate with the guide piece to guide the movement of the sample bin.

In some embodiments of the sample feeding mechanism, a protruding portion is disposed on one side of the sample bin, which faces away from the rotating wheel, an arc hole is disposed at a position of the rotating seat, which corresponds to the protruding portion, the protruding portion extends into the arc hole, the arc hole extends along a guiding direction of the guiding piece, and the rotating seat rotates to enable an inner wall of the arc hole to abut against the protruding portion, so that the arc hole can guide the sample bin to slide on the guiding piece.

In some embodiments of the sample injection mechanism, the sample injection mechanism further comprises a pulley, the pulley is sleeved on the protruding portion and is contained in the arc-shaped hole, and the pulley is abutted to the inner wall of the arc-shaped hole.

In some embodiments of the sample feeding mechanism, the sample feeding mechanism further comprises a connecting frame, the connecting frame is slidably arranged on the guide member, and the sample bin is rotatably connected to the connecting frame, so that the sample bin can be slidably arranged on the guide member and can rotate relative to the base.

In some embodiments of the sample feeding mechanism, the sample feeding mechanism further comprises an elastic member, one end of the elastic member is connected to the connecting frame, the other end of the elastic member is connected to the sample bin, and the elastic member is used for driving the sample bin to reset.

In some embodiments of the sample injection mechanism, the sample injection mechanism further comprises a driving assembly, wherein the driving assembly is mounted on the base and connected with the rotating seat, and the driving assembly is used for driving the base to rotate.

In some embodiments of the sample introduction mechanism, the sample introduction mechanism further comprises a sensor, wherein the sensor is mounted in the sample bin and is in communication connection with the driving assembly, and the sensor is used for monitoring the test tube in the sample bin and can control the driving assembly to drive the rotating seat to reset.

In some embodiments of the sample introduction mechanism, the extending direction of the guide plate is parallel to the guiding direction of the guide member.

In some embodiments of the sample injection mechanism, the sample injection mechanism further comprises a stand and a baffle, wherein the stand is connected to the base and is positioned at one side far away from the rotary connection position of the rotary seat and the base;

the baffle install in the grudging post is kept away from one side of base, set up on the baffle and run through the through-hole of baffle, the through-hole is used for supplying the sample needle to pass, the baffle is used for stopping the test tube breaks away from the sample storehouse.

In order to solve the technical problems, the second technical scheme adopted by the utility model is as follows:

an analyser comprising a sample injection mechanism as described in the above embodiments.

The implementation of the embodiment of the utility model has at least the following beneficial effects:

the sample feeding mechanism is applied to the analyzer, the sample feeding mechanism and the analyzer can have the technical effect of reducing the occupied space when the sample bin is extracted, specifically, the rotating wheel is installed on the sample bin, the rotating wheel is arranged on the guide plate of the rotating seat in a sliding mode, the sample bin can be driven to rotate through the force applied to the rotating wheel by the guide plate in the rotating process of the rotating seat, the guide plate also has a guiding effect, the rotating wheel can slide on the guide plate, so that the sample bin can be driven to move, and meanwhile, the guide effect of the guide piece can be matched, so that when the sample bin is extracted, the sample bin can be combined with linear movement and rotation in a moving mode, a test tube can be placed by a worker or a manipulator conveniently, the occupied space after the sample bin is extracted from the analyzer is reduced, the structure is simple, and the cost is low, so that the technical problem that the existing sample feeding mechanism needs a large external space is solved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a sample injection mechanism according to an embodiment;

FIG. 2 is an enlarged schematic view of the portion A of FIG. 1;

FIG. 3 is a schematic view of the structure of the sample cartridge after rotation in one embodiment;

FIG. 4 is a schematic illustration of the connection of a sample cartridge to a portion of a component in one embodiment;

FIG. 5 is a schematic diagram of a sample injection mechanism according to an embodiment;

fig. 6 is a schematic view of the structure of the sample chamber after rotation in one embodiment.

Wherein: 1. a base; 2. a guide member; 3. a sample bin; 31. a protruding portion; 4. a rotating wheel; 5. a rotating seat; 51. a guide plate; 52. an arc-shaped hole; 6. a pulley; 7. a connecting frame; 8. an elastic member; 9. a drive assembly; 91. a motor; 92. a follower; 93. a synchronous belt; 100. a sensor; 200. a vertical frame; 300. a baffle; 301. a through hole; 400. and (5) a test tube.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many other different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

At present, most of the moving modes of the sample bin move linearly, so that a large external space is required to be occupied, and when the external space around the analyzer is narrow, the operation difficulty is brought to taking out and placing the test tube.

The sample injection mechanism and analyzer according to the present utility model will be explained in further detail with reference to fig. 1 to 6.

In one embodiment of the sample introduction mechanism, the sample introduction mechanism comprises a base 1, a guide 2, a sample compartment 3, a rotating wheel 4 and a rotating seat 5. The guide 2 is mounted to the base 1. The sample compartment 3 is slidably arranged on the guide member 2 and is rotatable relative to the guide member 2, and the sample compartment 3 is adapted to receive the test tube 400. The rotating wheel 4 is rotatably connected to the side wall of the sample chamber 3. The rotating seat 5 is rotationally connected to the base 1, a guide plate 51 is arranged at the position of the rotating seat 5 corresponding to the rotating wheel 4, the rotating wheel 4 is slidably arranged on the guide plate 51, the guide plate 51 is used for driving the sample bin 3 to rotate relative to the base 1 during rotation, and the guide plate 51 can be matched with the guide piece 2 to guide the movement of the sample bin 3.

In this embodiment, through installing the rotation wheel 4 on the sample storehouse 3, and make the rotation wheel 4 slide and establish on the deflector 51 of rotating seat 5, this is rotating seat 5 pivoted in-process, through the force that deflector 51 acted on rotation wheel 4, thereby can drive sample storehouse 3 and rotate, and deflector 51 still has the guide effect, rotation wheel 4 can slide on deflector 51, so drive the removal of sample storehouse 3, simultaneously can also cooperate the guide effect of guide piece 2, thereby can be when drawing sample storehouse 3, the motion mode of sample storehouse 3 has combined linear movement and rotation, can make things convenient for staff or manipulator to place test tube 400, the space size that sample storehouse 3 took after taking out from the analysis appearance has been reduced, and simple structure, and is with low costs, thereby the technical problem that current sample introduction mechanism needs great external space has been solved.

Specifically, the guide member 2 may be an i-shaped guide rail or a guide groove formed in the base 1 or the block member, when the guide member 2 is a guide groove, the sample bin 3 may slide in the guide groove by setting sliding wheels, at least two sliding wheels are provided, and the sliding wheels are respectively disposed on front and rear sides in the moving direction along the moving direction of the sample bin 3, and in the rotating process, the rotating seat 5 can drive the rotating wheel 4 on the rear side to leave the guide groove, so as to realize the rotation of the sample bin 3 relative to the base 1. And when the sample bin is a guide rail, the sample bin 3 can be rotationally connected to the guide rail through the rotating shaft, and the side wall of the sample bin 3 in the relative advancing direction is provided with a avoiding groove, so that the sample bin 3 can rotate relative to the guide rail.

In addition, the rotation seat 5 may have a U-shaped structure, and an opening of the rotation seat 5 faces a rotation direction of the sample cartridge 3.

In an embodiment of the sample feeding mechanism, a protruding portion 31 is arranged on one side, away from the rotating wheel 4, of the sample bin 3, an arc-shaped hole 52 is formed in the position, corresponding to the protruding portion 31, of the rotating seat 5, the protruding portion 31 extends into the arc-shaped hole 52, the arc-shaped hole 52 extends along the guiding direction of the guiding piece 2, the inner wall of the arc-shaped hole 52 can be abutted to the protruding portion 31 through rotation of the rotating seat 5, and then the arc-shaped hole 52 can guide the sample bin 3 to slide on the guiding piece 2.

In this embodiment, by providing the arc-shaped hole 52, the sample chamber 3 can be driven to rotate in cooperation with the guide plate 51, and the arc-shaped hole 52 can also guide and restrict the rotation of the sample chamber 3, so that the sample chamber 3 is prevented from being separated from the rotation seat 5, and the sample chamber 3 can be enabled to rotate and move correspondingly following the rotation of the rotation seat 5.

In one embodiment of the sample injection mechanism, the sample injection mechanism further includes a pulley 6, the pulley 6 is sleeved on the protrusion 31 and is accommodated in the arc-shaped hole 52, and the pulley 6 abuts against the inner wall of the arc-shaped hole 52.

In the present embodiment, by providing the pulley 6, the collision between the inner wall of the arc hole 52 and the protruding portion 31 can be reduced, damage to the protruding portion 31 is avoided, and the pulley 6 can also always abut against the inner wall of the arc hole 52, so that the force from the rotating seat 5 can be received better.

In one embodiment of the sample feeding mechanism, the sample feeding mechanism further comprises a connecting frame 7, the connecting frame 7 is slidably arranged on the guide member 2, and the sample bin 3 is rotatably connected to the connecting frame 7, so that the sample bin 3 can be slidably arranged on the guide member 2, and the sample bin 3 can rotate relative to the base 1.

In this embodiment, by arranging the connecting frame 7 and rotationally connecting the sample bin 3 to the connecting frame 7, the connecting frame 7 can replace the sample bin 3 to be slidingly arranged on the guide member 2, that is, the connecting frame 7 and the guide member 2 can be combined to form a connection form of a guide rail sliding block, while the sample bin 3 is rotationally connected to the connecting frame 7, and compared with the connection relation between the connecting frame 7, the mode that the sample bin 3 is slidingly arranged on a guide rail and rotationally connected to the guide rail is simplified, so that the rotation of the sample bin 3 and the movement of the connecting frame 7 are more stable, and the stability of the movement of the sample bin 3 is improved.

In one embodiment of the sample feeding mechanism, the sample feeding mechanism further comprises an elastic member 8, one end of the elastic member 8 is connected to the connecting frame 7, the other end of the elastic member is connected to the sample bin 3, and the elastic member 8 is used for driving the sample bin 3 to reset.

In this embodiment, through setting up elastic component 8, elastic component 8 specifically can be the spring to this can provide the elasticity that is close to connecting frame 7 promptly to sample storehouse 3 all the time when sample storehouse 3 rotates relative to connecting frame 7, and the elasticity that resets can cooperate arc hole 52 to reach the effect that restriction sample storehouse 3 breaks away from connecting frame 7, can also provide the elasticity in the reset process after sample storehouse 3 accepted test tube 400, with this can make sample storehouse 3 reset fast, raises the efficiency.

In one embodiment of the sample feeding mechanism, the sample feeding mechanism further comprises a driving component 9, the driving component 9 is installed on the base 1 and connected with the rotating seat 5, and the driving component 9 is used for driving the base 1 to rotate.

In this embodiment, through setting up drive assembly 9, can drive the rotation of rotating seat 5 voluntarily, specifically, drive assembly 9 includes motor 91, driving piece, hold-in range 93 and follower 92, and the driving piece is connected on the output shaft of motor 91, and the follower 92 is with the protruding fixed connection on the rotating seat 5, and the hold-in range 93 strides on driving piece and follower 92 to this is under the drive of motor 91, and the rotation of driving piece can drive the rotation of follower 92 through hold-in range 93, and then can drive the rotation of rotating seat 5.

In one embodiment of the sample feeding mechanism, the sample feeding mechanism further comprises a sensor 100, wherein the sensor 100 is mounted on the sample bin 3 and is in communication connection with the driving assembly 9, and the sensor 100 is used for monitoring the test tube 400 in the sample bin 3 and can control the driving assembly 9 to drive the rotating seat 5 to reset.

In this embodiment, by providing the sensor 100, the sensor 100 may be used to monitor whether the sample chamber 3 receives the test tube 400, and when the test tube 400 is placed in the sample chamber 3, the test tube may be fed back to the driving component 9, so that the driving component 9 may drive the rotating seat 5 to reset after receiving the feedback signal.

It will be appreciated that the sensor 100 and the drive assembly 9 are both electrically automated mechanisms that can be accessed to a control system for regulation.

In one embodiment of the feeding mechanism, the extending direction of the guide plate 51 is parallel to the guiding direction of the guide 2.

In the present embodiment, it is understood that the extending direction of the guide plate 51 parallel to the guiding direction of the guide member 2 means a position when the guide plate 51 is at the initial position, i.e., not rotated, and the guide plate 51 is of a straight plate structure, so that the supporting pulley 6 and the rolling of the guide pulley 6 can be facilitated.

In one embodiment of the sample feeding mechanism, the sample feeding mechanism further comprises a stand 200 and a baffle 300, wherein the stand 200 is connected to the base 1 and is positioned at one side far away from the rotation connection position of the rotation seat 5 and the base 1. Baffle 300 installs in the side of stand 200 far away from base 1, has offered the through-hole 301 that runs through baffle 300 on the baffle 300, and through-hole 301 is used for supplying the sample needle to pass, and baffle 300 is used for stopping test tube 400 to break away from sample storehouse 3.

In this embodiment, it can be understood that after the sample bin 3 receives the test tube 400 and resets, the sampling needle can extend into the test tube 400 to extract a reagent or a sample, and by setting the baffle 300, the sampling needle can be prevented from being pulled away from the test tube 400 to drive the test tube 400 to leave the sample bin 3 together.

The utility model also relates to an analyzer comprising the sample feeding mechanism in the previous embodiment.

By applying the sample introduction mechanism in the above embodiment, the sample introduction mechanism can be simplified, the cost is low, and the size of the space occupied when the sample cartridge 3 is drawn out can be reduced.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A sample introduction mechanism, characterized in that the sample introduction mechanism comprises:

a base;

a guide mounted to the base;

a rotating wheel rotatably connected to the side wall of the sample bin;

2. The sample introduction mechanism according to claim 1, wherein a protruding portion is provided on a side of the sample compartment facing away from the rotating wheel, an arc hole is provided at a position of the rotating seat corresponding to the protruding portion, the protruding portion extends into the arc hole, the arc hole extends along a guiding direction of the guiding member, and rotation of the rotating seat can enable an inner wall of the arc hole to abut against the protruding portion, so that the arc hole can guide the sample compartment to slide on the guiding member.

3. The sample injection mechanism of claim 2, further comprising a pulley, wherein the pulley is sleeved on the protruding portion and is accommodated in the arc-shaped hole, and the pulley abuts against the inner wall of the arc-shaped hole.

4. The sample introduction mechanism of claim 1, further comprising a connecting frame slidably disposed on the guide member, the sample compartment rotatably coupled to the connecting frame such that the sample compartment is slidably disposed on the guide member and the sample compartment is rotatable relative to the base.

5. The sample introduction mechanism of claim 4, further comprising an elastic member having one end connected to the connecting frame and the other end connected to the sample compartment, the elastic member being configured to drive the sample compartment to reset.

6. The sample injection mechanism of claim 1, further comprising a drive assembly mounted to the base and coupled to the rotatable base, the drive assembly configured to drive the base to rotate.

7. The sample introduction mechanism of claim 6, further comprising a sensor mounted to the sample compartment and communicatively coupled to the drive assembly, the sensor configured to monitor the test tube in the sample compartment and to control the drive assembly to drive the rotatable seat to reset.

8. The sample injection mechanism of claim 1, wherein the direction of extension of the guide plate is parallel to the direction of guidance of the guide member.

9. The sample introduction mechanism of any one of claims 1-8, further comprising a stand and a baffle, wherein the stand is connected to the base and is located on a side away from the rotational connection of the rotational base and the base;

10. An analyser comprising a sample injection mechanism as claimed in any one of claims 1 to 9.