CN210418053U

CN210418053U - Sample conveying mechanism for small single-channel biochemical analyzer

Info

Publication number: CN210418053U
Application number: CN201921358389.1U
Authority: CN
Inventors: 周维海; 余正东; 黄波; 吴梅
Original assignee: Shanghai B&c Biological Technology Co ltd
Current assignee: Shanghai B&c Biological Technology Co ltd
Priority date: 2019-08-21
Filing date: 2019-08-21
Publication date: 2020-04-28
Anticipated expiration: 2029-08-21

Abstract

The utility model discloses a sample transport mechanism for small-size single channel biochemical analyzer, including base, slider and hold-in range, the slider slides and locates on the base, the one end of base is equipped with the motor, the cover is equipped with synchronous pulley on the main shaft of motor, the other end of base is equipped with the bearing, the cover is equipped with the hold-in range conveying axle that parallels with synchronous pulley on the bearing, synchronous pulley is walked around to the hold-in range and is linked to each other with synchronous belt conveying axle, the slider links to each other with the hold-in range, the hold-in range can drive slider reciprocating motion on the base under the drive of motor, just, be equipped with the gyro wheel tangent with the hold-in. The utility model provides a sample transport mechanism, not only simple structure is compact, low in manufacturing cost is honest and clean, and convenient operation, conveying are stable moreover, can be applicable to the accurate sample that conveys of small-size single channel biochemical analysis instrument.

Description

Sample conveying mechanism for small single-channel biochemical analyzer

Technical Field

The utility model relates to a sample transport mechanism for small-size single channel biochemical analyzer belongs to biochemical analyzer technical field.

Background

In the field of modern medical detection, in order to reduce the working strength and the operating pressure of detection personnel, various POCT biochemical analysis instruments are provided by various large medical instrument manufacturers. POCT means point-of-care testing (point-of-care testing), which is a new method for rapidly obtaining test results by performing clinical testing and bedside testing (bedside testing) at the patient side, performing analysis immediately at the sampling site, usually not necessarily by a clinical tester, and eliminating complex processing procedures of samples during laboratory testing. The on-site rapid detection biochemical analyzer not only greatly simplifies the disease diagnosis procedure, but also has the advantages of rapid detection, simple use, convenient carrying and the like, and is widely applied at present. However, in the POCT biochemical analyzer in the market at present, the sample is mainly transferred by the transfer mechanism formed by the rack and pinion, and the transfer mechanism has the problems of relatively complex structure, relatively high manufacturing cost, relatively large volume and the like, so that the miniaturization of the analyzer is limited, and the POCT biochemical analyzer is not particularly suitable for the sample transfer requirement of the small single-channel biochemical analyzer.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem that prior art exists, the utility model aims at providing a sample transport mechanism for small-size single channel biochemical analysis appearance.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a sample transport mechanism for small-size single channel biochemical analysis appearance, includes base, slider and hold-in range, the slider slides and locates on the base, the one end of base is equipped with the motor, the cover is equipped with synchronous pulley on the main shaft of motor, the other end of base is equipped with the bearing, the cover is equipped with the hold-in range conveying axle that parallels with synchronous pulley on the bearing, synchronous pulley is walked around to the hold-in range and is linked to each other with synchronous belt conveying axle, the slider links to each other with the hold-in range, the hold-in range can drive slider reciprocating motion on the base under the drive of motor, just, be equipped with the gyro wheel tangent with the.

As an implementation scheme, base fixing blocks are arranged on two sides of the base.

As an embodiment, still include the hold-in range fixed block, the hold-in range fixed block is located the hold-in range and is towards the one side of slider, the slider passes through the hold-in range fixed block and links to each other with the hold-in range.

Preferably, the slider is provided with a spring plate.

In one embodiment, the motor is a stepper motor.

As an embodiment, the device further comprises a motor bracket, and the motor is mounted at one end of the base through the motor bracket.

As an embodiment, an elastic check ring is arranged at the joint of the synchronous belt transmission shaft and the base.

As an implementation scheme, be equipped with the optical axis that parallels with hold-in range conveying axle on the base, the outside cover of optical axis is equipped with the gyro wheel, the hold-in range is walked around hold-in range conveying axle and is tangent with the gyro wheel.

As preferred scheme, the quantity of optical axis and gyro wheel is two, and two gyro wheels crisscross distribution just are tangent with the hold-in range respectively from top to bottom.

As an implementation scheme, be equipped with the direction passageway with slider looks adaptation on the base, slider and direction passageway sliding connection, be equipped with the stopper on the slider, the exit end of direction passageway is equipped with photoelectric sensor, photoelectric sensor electricity is connected with the controller, the controller is connected with the motor electricity.

As the preferred scheme, the exit end of guide channel is equipped with the sensor fixed block, photoelectric sensor passes through the sensor fixed block and installs on the base.

Compared with the prior art, the utility model has the advantages of:

the utility model provides a sample transport mechanism, not only simple structure is compact, low in manufacturing cost is honest and clean, and convenient operation, conveying are stable moreover, can be applicable to small-size single channel biochemical analysis instrument and use, have obvious practical value.

Drawings

Fig. 1 is a front view of a sample transfer mechanism according to an embodiment of the present invention;

fig. 2 is a bottom view of a sample transfer mechanism according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a sample transfer mechanism in another view according to an embodiment of the present invention;

fig. 4 is a front view of a sample transfer mechanism according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view of FIG. 4;

fig. 6 is a diagram illustrating a state of use of the sample transfer mechanism according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a base in an embodiment of the present invention.

The numbers in the figures are as follows: 1. a base; 1-1, a guide channel; 2. a slider; 3. a synchronous belt; 4. a motor; 5. a synchronous pulley; 6. a bearing; 7. a synchronous belt transmission shaft; 8. a roller; 9. a reagent strip; 10. a base fixing block; 11. a synchronous belt fixing block; 12. a spring plate; 13. a motor bracket; 14. a circlip; 15. an optical axis; 16. a limiting block; 17. a photosensor; 18. sensor fixed block.

Detailed Description

The technical solution of the present invention will be described in further detail with reference to the accompanying drawings and embodiments.

Examples

Please combine as shown in fig. 1-7, the utility model provides a pair of a sample transport mechanism for small-size single channel biochemical analysis appearance, including base 1, slider 2 and hold-in range 3, slider 2 slides and locates on base 1, the one end of base 1 is equipped with motor 4, the cover is equipped with synchronous pulley 5 on motor 4's the main shaft, the other end of base 1 is equipped with bearing 6, the cover is equipped with hold-in range conveying shaft 7 that parallels with synchronous pulley 5 on bearing 6, synchronous pulley 5 links to each other with synchronous belt conveying shaft 7 around synchronous pulley 3, slider 2 links to each other with synchronous belt 3, synchronous belt 3 can drive slider 2 reciprocating motion on base 1 under motor 4's drive, just, be equipped with the gyro wheel 8 tangent with synchronous belt 3 on the base 1.

Sample transport mechanism's theory of operation as follows:

when the sample conveying mechanism is used for conveying samples, a reagent strip 9 loaded with a sample to be tested is placed on the sliding block 2, then the motor 4 is started, the motor 4 drives the synchronous belt pulley 5 to synchronously rotate, the synchronous belt pulley 5 drives the synchronous belt 3 to rotate, the synchronous belt 3 drives the sliding block 2 to slide on the base 1, the sliding block 2 drives the reagent strip to move on the base 1, when the sliding block 2 moves to a proper position, the motor 4 stops running, so that the sample to be tested can be conveyed to the proper position, subsequent sample testing is facilitated, in the process that the synchronous belt 3 drives the sliding block 2 to move, the idler wheel 8 is tangent to the synchronous belt 3, tensioning and guiding of the synchronous belt 3 are achieved, the conveying stability of the synchronous belt 3 is guaranteed, the components of the whole conveying mechanism are gathered on the base 1, the structure is simple and compact, the occupied area is small, the operation is convenient, the device is particularly suitable for sample transmission of a small single-channel biochemical analysis instrument.

Referring to fig. 1, 2, 3 and 6 again, the two sides of the base 1 are provided with the base fixing blocks 10, in this embodiment, the two sides of the base 1 are respectively and symmetrically provided with the two base fixing blocks 10, when in use, the whole conveying mechanism can be fixed by the base fixing blocks 10, so as to ensure the conveying stability in the sample conveying process.

Referring to fig. 2, 3 and 5 again, the sample conveying mechanism further includes a synchronous belt fixing block 11, the synchronous belt fixing block 11 is disposed on one surface of the synchronous belt 3 facing the sliding block 2, and the sliding block 2 is connected with the synchronous belt 3 through the synchronous belt fixing block 11. Synchronous belt fixed

block

11 and 3 synchronous drive of hold-in range, when using, the transmission of hold-in range 3 drives 11 transmissions of synchronous belt fixed block, and then drives 2 transmissions of slider to make the reagent strip 9 on slider 2 and the slider 2 move on base 1. In this embodiment, the base 1 is a hollow structure communicating from top to bottom, the slider 2 is located on the upper portion of the base 1, the transmission belt 3 is located below the slider 2, and the slider 2 is connected with the synchronous belt 3 through the synchronous belt fixing block 11.

Referring to fig. 1 again, the slide block 2 is provided with an elastic sheet 12, the elastic sheet 12 is adapted to the reagent strip 9 and is used for jacking or fixing the reagent strip 9, when the reagent strip 9 is used, the reagent strip 9 is inserted into the slide block 2, the reagent strip 9 is fixed on the slide block 2 through the elastic sheet 12, and when the slide block 2 runs to a proper position and needs to be taken down, the reagent strip 9 is jacked up through the elastic sheet 12, so that the reagent strip 9 is convenient to take down. In this embodiment, the elastic sheet 12 is of an inverted V structure.

In the present application, the motor 4 may be a commercially available general motor, and in this embodiment, the motor 4 is a stepping motor, which is more favorable for ensuring the movement precision.

Referring to fig. 1, 2, 3 and 6 again, the sample transfer mechanism further includes a motor bracket 13, and the motor 4 is mounted at one end of the base 1 through the motor bracket 13, so as to fix and support the motor 4.

Referring to fig. 3 and 4 again, an elastic collar 14 is provided at the connection position of the synchronous belt transmission shaft 7 and the base 1, so as to ensure the stability of the connection of the synchronous belt transmission shaft 7 and the base 1.

Referring to fig. 1, 2, 3 and 6 again, an optical axis 15 parallel to the synchronous belt conveying shaft 7 is arranged on the base 1, a roller 8 is sleeved outside the optical axis 15, and the synchronous belt 3 bypasses the synchronous belt conveying shaft 7 and is tangent to the roller 7. Specifically, in this embodiment, the number of optical axis 15 and gyro wheel 7 is two, and two gyro wheels 7 crisscross distribution is just tangent with hold-in range 3 respectively from top to bottom to the tensioning and the guide effect to hold-in range 3 have been guaranteed.

Referring to fig. 1, 2, 3, 6, and 7, a guide channel 1-1 (as shown in fig. 7) adapted to the slider 2 is disposed on the base 1, the slider 2 is slidably connected to the guide channel 1-1, a limit block 16 is disposed on the slider 2, a photoelectric sensor 17 is disposed at an outlet end of the guide channel 1-1, the photoelectric sensor 17 is electrically connected to a controller (not shown), and the controller is electrically connected to the motor 4. When the reagent strip conveying device is used, the synchronous belt 3 drives the sliding block 2, the reagent strips and the limiting block 16 to run along the guide channel 1-1 on the base 1 under the driving of the motor 4, when the limiting block 16 reaches the sensing position of the photoelectric sensor 17, the controller controls the motor 4 to stop running, the reagent strips can be conveyed to the designated position, the positioning is accurate, and the transmission is accurate. The controller receives the sensor signal and controls the operation of the motor, which is a mature technology, and is not described in detail here.

The outlet end of the guide channel 1-1 is provided with a sensor fixing block 18, and the photoelectric sensor 17 is mounted on the base 1 (i.e. the guide channel 1-1) through the sensor fixing block 18.

Further, in order to facilitate the connection of the synchronous belt 3 and the sliding block 2, the guide channel 1-1 is of a hollow structure communicated up and down.

It is finally necessary to point out here: the above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention.

Claims

1. A sample transport mechanism for a small single channel biochemical analyzer, characterized in that: including base, slider and hold-in range, the slider slides and locates on the base, the one end of base is equipped with the motor, the cover is equipped with synchronous pulley on the main shaft of motor, the other end of base is equipped with the bearing, the cover is equipped with the hold-in range conveying axle that parallels with synchronous pulley on the bearing, the hold-in range is walked around synchronous pulley and is linked to each other with synchronous belt conveying axle, the slider links to each other with the hold-in range, the hold-in range can drive slider reciprocating motion on the base under the drive of motor, just, be equipped with the gyro wheel tangent with the hold-in.

2. The sample transport mechanism for a compact single channel biochemical analyzer according to claim 1, characterized in that: still include the hold-in range fixed block, the hold-in range fixed block is located the hold-in range and is towards the one side of slider, the slider passes through the hold-in range fixed block and links to each other with the hold-in range.

3. The sample transfer mechanism for a small single channel biochemical analyzer according to claim 1 or 2, characterized in that: and the sliding block is provided with an elastic sheet.

4. The sample transport mechanism for a compact single channel biochemical analyzer according to claim 1, characterized in that: still include the motor support, the motor passes through the motor support to be installed in the one end of base.

5. The sample transport mechanism for a compact single channel biochemical analyzer according to claim 1, characterized in that: the base is provided with an optical axis parallel to the synchronous belt conveying shaft, the roller is sleeved outside the optical axis, and the synchronous belt bypasses the synchronous belt conveying shaft and is tangent to the roller.

6. The sample transfer mechanism for a small single channel biochemical analyzer according to claim 5, wherein: the quantity of optical axis and gyro wheel is two, and two gyro wheels crisscross distribution just are tangent with the hold-in range respectively from top to bottom.

7. The sample transport mechanism for a compact single channel biochemical analyzer according to claim 1, characterized in that: the base is provided with a guide channel matched with the sliding block, the sliding block is connected with the guide channel in a sliding mode, the sliding block is provided with a limiting block, the outlet end of the guide channel is provided with a photoelectric sensor, the photoelectric sensor is electrically connected with a controller, and the controller is electrically connected with a motor.

8. The sample transport mechanism for a small single channel biochemical analyzer according to claim 7, wherein: the outlet end of the guide channel is provided with a sensor fixing block, and the photoelectric sensor is installed on the base through the sensor fixing block.