CN212432888U

CN212432888U - Blood rheology tester

Info

Publication number: CN212432888U
Application number: CN202021002965.1U
Authority: CN
Inventors: 杨军京
Original assignee: Beijing Zongci Technology Development Co ltd
Current assignee: Beijing Zongci Technology Development Co ltd
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2021-01-29
Anticipated expiration: 2030-06-04

Abstract

The utility model relates to a biochemical detection technical field of medical science especially relates to a blood rheology tester. It includes the test tube dish and can pivoted application of sample arm, application of sample arm is located one side of test tube dish, the test tube dish includes test tube quotation, pivot and slewing mechanism, the pivot both ends respectively with the test tube quotation with slewing mechanism connects, slewing mechanism includes synchronous belt subassembly and driving piece, the synchronous belt subassembly respectively with the driving piece with the pivot is connected. The utility model provides a blood rheology tester, test tube quotation are driven by the synchronous belt subassembly and are rotated, because the synchronous belt among the synchronous belt subassembly has the flexibility, can effectively obtain the tensioning before work, and then can prevent to produce and rock the clearance, reduce the unsafe problem of test tube quotation off-position and take place.

Description

Blood rheology tester

Technical Field

The utility model relates to a biochemical detection technical field of medical science especially relates to a blood rheology tester.

Background

At present full-automatic blood rheology tester in duplex position sets up the test tube dish subassembly, and the test tube dish subassembly sets up the test tube quotation, and the test tube quotation is rotatory under the drive of test tube dish transmission assembly. Set up rotatory application of sample arm near the test tube dish subassembly, rotatory application of sample arm sets up the application of sample needle, and the application of sample needle can rotate, go up and down, inhale the appearance application of sample under rotatory application of sample arm control. The test tube quotation is rotatory to be walked the position, comes the application of sample needle that cooperates on the rotatory application of sample arm to carry out the sample and absorbs.

The test tube quotation sets up the capacity that the test tube hole of multirow circumference increases the quotation test tube, places the sample test tube in the test tube hole. Although the current test tube quotation is walked and is put inaccurate, the skew will appear in the position of seeking that the test tube quotation was removed to the application of sample needle that rotatory application of sample arm drove, causes the application of sample needle to prick outside test tube wall or test tube, influences the sample and absorbs.

Therefore, a blood rheology tester is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a blood rheology tester can make the test tube quotation walk the position accuracy.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a blood rheology tester, including test tube dish and can pivoted application of sample arm, application of sample arm is located one side of test tube dish, the test tube dish includes test tube quotation, pivot and slewing mechanism, the pivot both ends respectively with the test tube quotation with slewing mechanism connects, slewing mechanism includes synchronous belt subassembly and driving piece, synchronous belt subassembly respectively with the driving piece with the pivot is connected.

As an optimal technical scheme of the blood rheology tester, the synchronous belt component comprises a driving wheel, a synchronous belt and a driven wheel, the driving wheel is in transmission connection with the driven wheel through the synchronous belt, and the driven wheel is fixedly arranged at the lower end of the rotating shaft.

As a preferred technical scheme of the blood rheology tester, the diameter of the driving wheel is smaller than that of the driven wheel, and the driving piece is a stepping motor.

As a preferred technical scheme of the blood rheology tester, the test tube disc further comprises a turntable base, and the rotating shaft penetrates through the turntable base.

As a preferred technical scheme of the blood rheology tester, the rotating shaft is connected with the turntable base through a bearing.

As an optimal technical scheme of the above blood rheology tester, the turntable base comprises a connecting portion and a working portion, a through hole is formed in the bottom of the working portion, the connecting portion penetrates through the through hole, the connecting portion is fixedly connected with the working portion, a containing cavity is formed in the connecting portion along the length direction of the connecting portion, and the rotating shaft and the bearing are arranged in the containing cavity.

As a preferred technical scheme of the above blood rheology tester, the cuvette tray further comprises a reset optical coupler sensor.

As an optimal technical scheme of the blood rheology tester, the reset optical coupler sensor comprises an optical coupler sensor and an optical coupler separation blade, the optical coupler separation blade is arranged on the driven wheel, and the optical coupler sensor is arranged on the turntable base.

As an optimal technical scheme of the hemorheology tester, the hemorheology tester further comprises a cleaning pool, the cleaning pool is positioned on one side of the sample adding arm, the cleaning pool comprises a liquid pool, and the bottom of the liquid pool is provided with a liquid inlet and a liquid outlet for cleaning liquid to enter and exit.

As a preferable technical solution of the above blood rheology tester, the blood rheology tester further includes a capillary type plasma testing component located at one side of the sample adding arm, the capillary type plasma testing component includes a capillary and a detection component, and the detection component is disposed outside the capillary.

The utility model discloses beneficial effect:

the utility model provides a blood rheology tester, test tube quotation are driven by the synchronous belt subassembly and are rotated, because the synchronous belt among the synchronous belt subassembly has the flexibility, can effectively obtain the tensioning before work, and then can prevent to produce and rock the clearance, reduce the unsafe problem of test tube quotation off-position and take place.

Drawings

Fig. 1 is a schematic structural diagram of a blood rheology tester provided by an embodiment of the present invention.

Fig. 2 is a bottom view of a cuvette tray according to an embodiment of the present invention.

Fig. 3 is a front view of a cuvette tray according to an embodiment of the present invention.

Fig. 4 is a cross-sectional view of a test tube tray provided by an embodiment of the present invention.

In the figure:

1. a test tube tray; 11. a test tube disk surface; 12. a rotating shaft; 13. a drive member; 14. a driving wheel; 15. a synchronous belt; 16. a driven wheel; 17. a turntable base; 171. a connecting portion; 172. a working part; 18. resetting the optocoupler sensor; 181. an opto-coupler sensor; 182. an optical coupling baffle plate; 2. a sample addition arm; 3. a cleaning tank; 4. a capillary plasma testing assembly.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Blood rheology tester that adopts among the prior art, there is the inaccurate problem when test tube disk surface is walked to be put, for solving this problem, provides a blood rheology tester in this embodiment.

As shown in fig. 1-4, the blood rheology tester comprises a test tube disc 1 and a rotatable sample adding arm 2, wherein the sample adding arm 2 is located on one side of the test tube disc 1, the test tube disc 1 comprises a test tube disc surface 11, a rotating shaft 12 and a rotating mechanism, two ends of the rotating shaft 12 are respectively connected with the test tube disc surface 11 and the rotating mechanism, the rotating mechanism comprises a synchronous belt component and a driving component 13, and the synchronous belt component is respectively connected with the driving component 13 and the rotating shaft 12.

Because the hold-in range 15 in the hold-in range subassembly has the flexibility, can effectively obtain the tensioning before work, and then can prevent to produce and rock the clearance, reduce the inaccurate problem of test tube quotation 11 and walk and take place.

Optionally, in this embodiment, the synchronous belt assembly includes a driving wheel 14, a synchronous belt 15 and a driven wheel 16, the driving wheel 14 is in transmission connection with the driven wheel 16 through the synchronous belt 15, and the driven wheel 16 is fixedly disposed at the lower end of the rotating shaft 12. Specifically, the primary pulley 14 has a smaller diameter than the secondary pulley 16. The driving wheel 14 and the driven wheel 16 are connected by a synchronous belt 15, so that the phenomenon of slipping is avoided, and accurate walking can be realized. Further improving the accuracy of the test tube disk surface 11. In addition, driving piece 13 is step motor, and step motor's a week pulse number generally is 200 steps, through the gear ratio of big small wheel, can obtain more tiny resolution angle to realized tiny resolution angle under the unchangeable condition of output torque, made test tube quotation 11 walk the position more accurately.

In order to protect the test tubes passing through the test tube tray surface 11, in the embodiment, the test tube tray 1 further comprises a turntable base 17, and the rotating shaft 12 penetrates through the turntable base 17. The portion of the test tube that passes through the test tube disk face 11 is located within the chamber formed by the turntable base 17. The rotating shaft 12 penetrates through the turntable base 17 and is connected with the test tube disk surface 11, so that the test tube disk surface 11 is driven to rotate. In order to facilitate the rotation of the rotating shaft 12 relative to the turntable base 17, the rotating shaft 12 and the turntable base 17 are connected through a bearing in this embodiment.

Optionally, in this embodiment, as shown in fig. 4, the turntable base 17 includes a connecting portion 171 and a working portion 172, a through hole is provided at the bottom of the working portion 172, the connecting portion 171 is disposed through the through hole, the connecting portion 171 is fixedly connected to the working portion 172, an accommodating cavity is provided along the length direction of the connecting portion 171, and the rotating shaft 12 and the bearing are disposed in the accommodating cavity. The portion of the connecting portion 171 located outside the working portion 172 is fixedly connected to the working portion 172 through a screw thread, specifically, the connecting portion 171 extends along the radial direction thereof to form a connecting platform, and the connecting platform is fixedly connected to the turntable base 17 through a screw thread. The rotating shaft 12 is also fixedly connected with the test tube disk surface 11 through threads, and particularly, the top end of the rotating shaft 12 is fixedly connected with the test tube disk surface 11 through threads.

In order to ensure that the cuvette tray 1 is correctly displaced each time, the cuvette tray 1 further comprises a reset optical coupling sensor 18 in this embodiment. As shown in fig. 2 and 3, the reset optical coupler sensor 18 includes an optical coupler sensor 181 and an optical coupler blocking piece 182, the optical coupler blocking piece 182 is disposed on the driven wheel 16, and the optical coupler sensor 181 is disposed on the turntable base 17. When the test tube quotation 11 rotation a week, opto-coupler separation blade 182 just can cut opto-coupler sensor 181 once to obtain the signal of the point that resets, judge the position of test tube quotation 11.

Preferably, be provided with two test tube dish 1 and two application of sample arms 2 in this embodiment, test tube dish 1 and application of sample arm 2 one-to-one setting, every test tube dish 1 all independently work, do not receive the influence of another test tube dish 1. Because test tube dish 1 rotates through the hold-in range subassembly, when test tube dish face 11 increases the test tube hole capacity, can accurately realize walking the position, can do not have the deviation when the application of sample needle inhales the appearance, greatly improved the operation of the full-automatic blood rheology tester of duplex position, avoid the emergence of mistake, reduced the noise, for 1 slewing mechanism of current test tube dish, the hold-in range subassembly that provides in this embodiment has simplified the structure, realizes cost reduction.

Optionally, the hemorheology tester in this embodiment further includes a cleaning pool 3 and a capillary plasma testing component 4, which are respectively located at two sides of the sample adding arm 2, the number of the cleaning pool 3 and the number of the capillary plasma testing component 4 are both two, and the capillary plasma testing component 4 is located between the two cleaning pools 3. The cleaning pool 3 comprises a liquid pool, and a liquid inlet and a liquid outlet for cleaning liquid to enter and exit are arranged at the bottom of the liquid pool. And after the liquid measurement is finished, introducing cleaning liquid into the liquid inlet to clean the cavity, and discharging the liquid through the liquid outlet. Further, the inlet is one, and the leakage fluid dram is two, through setting up the mode of two flowing back, when can preventing that one of them leakage fluid dram from blockking up, causes the condition that the liquid pool can not carry out the flowing back to appear.

The capillary type plasma testing component 4 comprises a capillary tube and a detection component, and the detection component is arranged outside the capillary tube. The capillary tube is provided with two detection assemblies along the height direction, the detection assemblies are used for detecting signals of preset positions in the capillary tube, the preset positions are positions where the detection assemblies are located, and therefore the viscosity of the plasma can be measured more directly and conveniently. Specifically, each group of detection assemblies comprises an infrared emitter and an infrared receiver, the infrared emitter and the infrared receiver are respectively arranged on two sides of the capillary, and when blood plasma passes through the detection assemblies, the infrared receivers cannot receive infrared light, namely, signals are generated at the moment.

Preferably, the hemorheology tester in this embodiment further includes a control component, where the control component is electrically connected to the detection component and is configured to receive the signal sent by the detection component and record a time corresponding to each signal, and the control component calculates the time corresponding to two signals through a series of companies to obtain the hemorheology value of the plasma sample.

It should be noted that the structure of the sample adding arm 2 is the same as that of the prior art, and is not described herein again.

In addition, the foregoing is only the preferred embodiment of the present invention and the technical principles applied thereto. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. The utility model provides a blood rheology tester, includes test tube dish (1) and can pivoted application of sample arm (2), application of sample arm (2) are located one side of test tube dish (1), its characterized in that, test tube dish (1) includes test tube quotation (11), pivot (12) and slewing mechanism, pivot (12) both ends respectively with test tube quotation (11) with slewing mechanism connects, slewing mechanism is including synchronous set of bands and driving piece (13), synchronous set of bands respectively with driving piece (13) with pivot (12) are connected.

2. The hemorheology tester according to claim 1, characterized in that the synchronous belt assembly comprises a driving wheel (14), a synchronous belt (15) and a driven wheel (16), the driving wheel (14) and the driven wheel (16) are in transmission connection through the synchronous belt (15), and the driven wheel (16) is fixedly arranged at the lower end of the rotating shaft (12).

3. The apparatus according to claim 2, wherein the driving wheel (14) has a smaller diameter than the driven wheel (16), and the driving member (13) is a stepper motor.

4. The apparatus according to claim 2, wherein the cuvette tray (1) further comprises a turntable base (17), and the shaft (12) is inserted into the turntable base (17).

5. The rheometer according to claim 4, wherein the shaft (12) is coupled to the turntable base (17) by a bearing.

6. The blood flow tester according to claim 5, wherein the turntable base (17) comprises a connecting portion (171) and a working portion (172), a through hole is formed at the bottom of the working portion (172), the connecting portion (171) penetrates through the through hole, the connecting portion (171) is fixedly connected with the working portion (172), an accommodating cavity is formed in the connecting portion (171) along the length direction of the connecting portion, and the rotating shaft (12) and the bearing are arranged in the accommodating cavity.

7. The rheometer according to claim 4, wherein the cuvette tray (1) further comprises a reset opto-coupler sensor (18).

8. The hemorheology tester according to claim 7, characterized in that the reset optical coupler sensor (18) comprises an optical coupler sensor (181) and an optical coupler stop (182), the optical coupler stop (182) is disposed on the driven wheel (16), and the optical coupler sensor (181) is disposed on the turntable base (17).

9. The hemorheological tester of any one of claims 1-8, further comprising a cleaning reservoir (3) located at one side of the sample-adding arm (2), wherein the cleaning reservoir (3) comprises a liquid reservoir, and a liquid inlet and a liquid outlet for cleaning liquid are arranged at the bottom of the liquid reservoir.

10. The rheometer according to any one of claims 1-8, further comprising a capillary-type plasma test element (4) on one side of the sample application arm (2), the capillary-type plasma test element (4) comprising a capillary and a detection element, the detection element being disposed outside the capillary.