CN211402034U - Double-station blood rheometer - Google Patents
Double-station blood rheometer Download PDFInfo
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- CN211402034U CN211402034U CN201922237185.9U CN201922237185U CN211402034U CN 211402034 U CN211402034 U CN 211402034U CN 201922237185 U CN201922237185 U CN 201922237185U CN 211402034 U CN211402034 U CN 211402034U
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Abstract
The utility model provides a double-station hemorheology instrument, which comprises a case, two sets of sample feeding devices, two sets of detection devices, two sets of sample feeding needle cleaning devices and a set of turntable device, wherein the two sets of sample feeding devices, the two sets of detection devices, the two sets of sample feeding needle cleaning devices and the one set of turntable device are arranged on the case; the turntable device comprises an inner test tube disc, an outer test tube disc coaxially sleeved outside the inner test tube disc, a first driving mechanism for driving the inner test tube disc to rotate and a second driving mechanism for driving the outer test tube disc to rotate; all be equipped with a plurality of test tubes on interior test tube dish and the outer test tube dish and place the position, but interior test tube dish and outer test tube dish independent rotation. The utility model discloses a blood rheometer, its sampling device, detection device and syringe belt cleaning device's quantity are two sets, and the carousel device of dress blood sample test tube is one set, but it divide into independent pivoted interior test tube dish and outer test tube dish, and two sets of sampling device are respectively from outer test tube dish and interior test tube dish sample to improve detection efficiency, compare prior art and independently set up two sets of test tube dish modules, the utility model discloses a blood rheometer's volume is littleer.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, concretely relates to blood rheometer in duplex position.
Background
The rotary blood rheometer is used in early diagnosis of diseases, such as arteriosclerosis, hypertension, coronary heart disease, angina pectoris, myocardial infarction, diabetes, cerebral blood vessel, etc. through detecting the blood viscosity of human body. In order to speed up the detection of the blood flow changes, the problem can be solved by increasing the number of detection modules. But if the number of modules is increased to meet the requirement, the space of the instrument is greatly increased.
For example, CN201010163825.7 discloses a double-station full-automatic hemorheology tester, which comprises a case testing component cleaning device and a control device, and two sets of testing components installed on the working surface of the case, wherein each set of testing component comprises a test tube tray, a sample adding arm, a conical plate type whole blood testing component, a capillary type plasma testing component and a corresponding control device. The scheme only increases the number of the test tube tray modules to improve the detection speed, so that the whole blood rheology tester has larger volume.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving the technical problem that exists among the prior art, the utility model aims at providing a blood rheometer in duplex position, when improving detection efficiency, make the structure of blood rheometer compacter, the volume is littleer.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a double-station hemorheometer comprises a case, and a sample introduction device, a detection device and a sample introduction needle cleaning device which are arranged on the case, wherein the number of the sample introduction device, the detection device and the sample introduction needle cleaning device is two;
the hemorheological analyzer also comprises a turntable device which is arranged on the case and used for placing test tubes, wherein the turntable device comprises an inner test tube disk, an outer test tube disk which is coaxially sleeved outside the inner test tube disk, a first driving mechanism which drives the inner test tube disk to rotate and a second driving mechanism which drives the outer test tube disk to rotate; the inner test tube tray and the outer test tube tray are respectively provided with a plurality of test tube placing positions, and the inner test tube tray and the outer test tube tray can independently rotate; the rotation speeds of the inner test tube disc and the outer test tube disc are the same or different, and the rotation directions of the inner test tube disc and the outer test tube disc are the same or opposite;
the upper end surfaces of the outer test tube disc and the inner test tube disc are both positioned on the working surface of the case; one set of sampling device samples from the outer test tube tray, and the other set of sampling device samples from the inner test tube tray.
Among the above-mentioned technical scheme, sampling device, detection device and syringe belt cleaning device's quantity is two sets, and the carousel device of dress blood sample test tube is one set, but its be divided into independent pivoted interior test tube dish and outer test tube dish, and two sets of sampling device are respectively from outer test tube dish and interior test tube dish sample to improve detection efficiency, and compare prior art and set up two sets of test tube dish modules, the utility model discloses a duplex position blood rheometer's volume is littleer.
The utility model discloses an in another kind of preferred embodiment, still be equipped with agitating unit and stirring belt cleaning device on the quick-witted case, agitating unit includes that the blood sample in vitro goes up test tube dish and interior test tube dish and carries out the stirring piece of stirring, and the stirring piece after the stirring blood sample washs in stirring belt cleaning device.
After setting up agitating unit and stirring belt cleaning device, when detecting whole blood, can stir the whole blood sample in the test tube, make it misce bene, make and detect the structure more accurate.
The utility model discloses an among the preferred embodiment, first actuating mechanism includes first motor, and the output shaft coaxial coupling of first motor has first driving pulley, and first driving pulley is connected with first driven pulleys through the belt, and the coaxial rigid coupling of first driven pulleys has the main shaft, inner test tube dish and main shaft fixed connection.
Therefore, the first motor enables the main shaft to rotate through the belt conveying mechanism (consisting of the first driving belt wheel, the belt and the first driven belt wheel), and the main shaft drives the inner test tube disc to rotate.
The utility model discloses an in the preferred embodiment, second actuating mechanism includes the second motor, and the output shaft coaxial coupling of second motor has the second driving pulley, and the second driving pulley is connected with the second driven pulleys through the belt, and the second driven pulleys rotates with the main shaft to be connected, and the second driven pulleys is direct or indirect and the coaxial rigid coupling of outer test tube dish.
From this the second motor passes through second driving pulley and belt messenger second driven pulley and rotates, and second driven pulley drives outer test tube dish and rotates.
In a preferred embodiment of the utility model, the inner test tube tray comprises an upper inner tray and a lower inner tray which are arranged in parallel, the upper inner tray and the lower inner tray are coaxially and fixedly connected with the main shaft, a plurality of test tube placing holes are uniformly arranged on the upper inner tray in the circumferential direction, and a plurality of tube supporting holes which are in one-to-one correspondence with the test tube placing holes of the upper inner tray are arranged on the lower inner tray;
and/or the outer test tube tray comprises an upper outer tray and a lower outer tray which are arranged in parallel, the upper outer tray and the lower outer tray can synchronously rotate relative to the main shaft, a plurality of test tube placing holes are uniformly arranged on the upper outer tray in the circumferential direction, and a plurality of tube supporting holes which are in one-to-one correspondence with the test tube placing holes of the upper outer tray are arranged on the lower outer tray;
the number of the test tube placing holes on the upper inner disc and the upper outer disc is the same or different;
the upper outer disc is coaxially sleeved outside the upper inner disc, and the lower outer disc is coaxially sleeved outside the lower outer disc.
Dividing an outer test tube tray and an inner test tube tray into an upper tray and a lower tray, wherein the middle of the two trays is arranged in a hollow manner; compare whole by a thicker dish of thickness and make, the weight of whole test tube dish can be alleviateed to the structure of this scheme, material saving cost simultaneously.
In a preferred embodiment of the utility model, the upper inner disc is fixedly connected with the lower inner disc through a plurality of support rods;
the upper part of the main shaft is provided with a second shaft section, a first shaft section with smaller diameter is arranged above the second shaft section, the upper inner disc is clamped on the first shaft section, the lower end surface of the upper inner disc is abutted against the upper end surface of the second shaft section, and the first shaft section is in threaded connection with a locking cover which compresses the upper inner disc axially and downwards;
the lower part of the second shaft section is also provided with a third shaft section with smaller diameter, the lower inner disc is clamped on the third shaft section, the upper end surface of the lower inner disc is abutted against the lower end surface of the second shaft section, and the third shaft section is connected with a locking nut which compresses the lower inner disc upwards in the axial direction.
The technical scheme is a specific connection mode of an upper inner disc, a lower inner disc and a main shaft, wherein a locking cover is arranged above the upper inner disc, and a locking nut is arranged below the lower inner disc, so that the inner test tube disc is axially fixed; and the upper inner disc and the lower inner disc are fixedly connected through the supporting rod, so that the upper inner disc and the lower inner disc rotate synchronously all the time, and no angle difference exists.
In another preferred embodiment of the present invention, the lower outer plate is also fixedly connected to the upper outer plate through a plurality of support rods; the second driven belt wheel is positioned above the first driven belt wheel, a cross is coaxially and fixedly connected to the second driven belt wheel, supporting blocks are fixedly connected to four outer ends of the cross, and the supporting blocks and the cross fixedly connected to the lower end of the lower outer disc are positioned below the locking nut.
The technical scheme is that the upper outer disc and the lower outer disc are connected with the second driven belt wheel in a specific mode, the lower outer disc is fixedly connected with the first driven belt wheel through the cross and the supporting block, and the upper outer disc and the lower outer disc are fixedly connected through the supporting rod, so that the upper outer disc and the lower outer disc rotate along with the first driven belt wheel and rotate synchronously all the time, and no angle difference exists. Compare the second driven pulleys and be located the below of first driven pulleys, the second driven pulleys of this scheme is located the top of first driven pulleys, can make shorten the distance between outer dish and the cross down, makes first motor, second motor all can arrange outside the cross simultaneously, and the overall arrangement is more reasonable.
The utility model discloses an among another kind of preferred embodiment, still establish the bearing frame of the outer fixed setting of main shaft including the cover that is located between second driven pulleys and the first driven pulleys, be equipped with deep groove ball bearing between bearing frame and the main shaft, press between lock nut and the cross to be equipped with thrust ball bearing, also press between second driven pulleys and the bearing frame to be equipped with thrust ball bearing.
The utility model discloses an in another kind of preferred embodiment, coaxial rotation is connected with wear-resisting sliding sleeve on the main shaft, and second driven pulleys cover is established outside wear-resisting sliding sleeve and with the coaxial rigid coupling of wear-resisting sliding sleeve. Thereby reducing wear of the second driven pulley and extending its service life.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic perspective view of a turntable device according to a first embodiment.
Fig. 2 is a schematic top view of a turntable device according to a first embodiment.
Fig. 3 is a schematic sectional view a-a in fig. 2.
Fig. 4 is a schematic perspective view of a double-station hemorheometer according to the second embodiment.
Reference numerals in the drawings of the specification include: the test tube test device comprises an inner test tube disc 1, an upper inner disc 11, a lower inner disc 12, a support rod 13, a test tube placing hole 14, a support tube hole 15, an outer test tube disc 2, an upper outer disc 21, a lower outer disc 22, a main shaft 3, a first shaft section 31, a locking cover 311, a second shaft section 32, a third shaft section 33, a locking nut 331, a fourth shaft section 34, a first driven pulley 41, a second driven pulley 51, a wear-resistant sliding sleeve 52, a cross 53, a support block 54, a bearing seat 6, a thrust ball bearing 71, a deep groove ball bearing 72, a case 100, a turntable device 10, a sample introduction device 20, a sample introduction needle 201, a detection device 30, a sample introduction needle cleaning device 40, a stirring device 50, a stirring piece 501 and a stirring cleaning device 60.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "vertical", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
Example one
The present embodiment provides a turntable device, as shown in fig. 1-3, in a preferred embodiment of the present invention, it includes an inner test tube tray 1, an outer test tube tray 2 coaxially sleeved outside the inner test tube tray 1, a first driving mechanism for driving the inner test tube tray 1 to rotate, and a second driving mechanism for driving the outer test tube tray 2 to rotate; all be equipped with a plurality of test tubes on interior test tube dish 1 and the outer test tube dish 2 and place the position. The inner test tube plate 1 and the outer test tube plate 2 can rotate independently; the rotation speeds of the inner test tube disc 1 and the outer test tube disc 2 are the same or different, and the rotation directions of the inner test tube disc 1 and the outer test tube disc 2 are the same or opposite, i.e. the rotation of the inner test tube disc 1 and the rotation of the outer test tube disc 2 are not interfered with each other.
The rotary table device is provided with an inner test tube disc 1 and an outer test tube disc 2 which can independently rotate, and test tube placing positions on the test tube discs are increased, so that the detection efficiency is improved; and outer test tube dish 2 is cup jointed outside inner test tube dish 1 coaxially, and structural arrangement is reasonable, and is small.
As shown in fig. 1 and 3, in the present embodiment, the first driving mechanism includes a first motor (not shown), the first motor is a stepping motor, an output shaft of the first motor is coaxially connected with a first driving pulley (not shown), the first driving pulley is connected with a first driven pulley 41 through a belt, the first driven pulley 41 is coaxially and fixedly connected with the main shaft 3, and the inner test tube tray 1 is fixedly connected with the main shaft 3. So that the first motor rotates the inner test tube tray 1 synchronously with the main shaft 3 through the first driving pulley, the belt, the first driven pulley 41 and the main shaft 3. In the present embodiment, as shown in fig. 3, the upper portion of the main shaft 3 has a second shaft section 32, a first shaft section 31 having a smaller diameter is provided above the second shaft section 32, a third shaft section 33 having a smaller diameter is provided below the second shaft section 32, and a fourth shaft section 34 having a smaller diameter is provided below the third shaft section 33. The first driven pulley 41 is coaxially fixed to the fourth shaft section 34 of the main shaft 3.
As shown in fig. 1 and fig. 3, in the present embodiment, the second driving mechanism includes a second motor (not shown in the figure), the second motor is also a step motor, an output shaft of the second motor is coaxially connected with a second driving pulley (not shown in the figure), the second driving pulley is connected with a second driven pulley 51 through a belt, the second driven pulley 51 is rotatably connected with the main shaft 3, the second driven pulley 51 is located above the first driven pulley 41, the second driven pulley 51 is sleeved outside the third shaft section 33 of the main shaft 3 and rotatably connected therewith, and the second driven pulley 51 is directly or indirectly coaxially and fixedly connected with the outer test tube tray 2; so that the second motor drives the second driven pulley 51 to drive the inner test tube plate 1 to synchronously rotate through the second driving pulley and the belt. Preferably, the main shaft 3 is coaxially and rotatably connected with a wear-resistant sliding sleeve 52, and the second driven pulley 51 is sleeved outside the wear-resistant sliding sleeve 52 and coaxially and fixedly connected with the wear-resistant sliding sleeve 52, for example, connected with a bolt; thereby reducing wear of the second driven pulley 51 and extending its service life, and the wear-resistant sliding sleeve 52 may be a prior art sliding bearing, such as a bearing bush.
As shown in fig. 1 and 3, in another preferred embodiment of the present invention, the inner test tube tray 1 includes an upper inner tray 11 and a lower inner tray 12 which are arranged in parallel, the upper inner tray 11 and the lower inner tray 12 are coaxially and fixedly connected to the main shaft 3, a plurality of test tube placing holes 14 are uniformly arranged in the circumferential direction on the upper inner tray 11, a plurality of tube placing holes 15 corresponding to the test tube placing holes 14 of the upper inner tray 11 one to one are arranged on the lower inner tray 12, and the test tube placing holes 14, the tube placing holes 15 and the accommodating space therebetween form a test tube placing position. The receptacle holes 15 may be through holes, as shown in fig. 1-3, having a diameter smaller than the tube diameter, and blind holes, having a diameter larger than the tube diameter.
Outer test tube dish 2 is including parallel arrangement go up outer dish 21 and outer dish 22 down, goes up outer dish 21 and outer dish 22 synchronous rotation relatively of main shaft 3 down, goes up outer dish 21 coaxial cover and establishes in last inner dish 11 outer and clearance fit, and outer dish 22 coaxial cover is established in outer and clearance fit down of outer dish 22, and the up end of outer dish 21 and the up end of last inner dish 11 are in same horizontal plane preferably. A plurality of test tube placing holes 14 are also circumferentially and uniformly formed in the upper outer disc 21, and a plurality of tube supporting holes 15 corresponding to the test tube placing holes 14 of the upper outer disc 21 one by one are formed in the lower outer disc 22. In practice, the number of test tube placing holes 14 in the upper inner tray 11 and the upper outer tray 21 is the same or different, and preferably, they are the same, and fig. 1 and 3 show that the number of test tube placing holes 14 in the upper inner tray 11 and the upper outer tray 21 is thirty.
In the technical scheme, the outer test tube tray 2 and the inner test tube tray 1 both comprise an upper tray and a lower tray, so that the weight of the whole test tube tray can be reduced; of course, one of the outer tube tray 2 or the inner tube tray 1 may be provided as an upper tray and a lower tray, and the other may be provided as a thicker tray.
As shown in fig. 1 and 3, in another preferred embodiment of the present invention, the specific connection mode between the upper inner disc 11 and the lower inner disc 12 of the inner test tube disc 1 and the main shaft 3 is as follows: the upper inner disc 11 is fixedly connected with the lower inner disc 12 through a plurality of support rods 13; the upper inner disc 11 is clamped on the first shaft section 31 and cannot rotate relative to the main shaft 3, the lower end face of the upper inner disc 11 is abutted against the upper end face of the second shaft section 32, and the first shaft section 31 is in threaded connection with a locking cover 311 which compresses the upper inner disc 11 axially downwards, so that the upper inner disc 11 is coaxially and fixedly connected to the main shaft 3. The lower inner disc 12 is clamped on the third shaft section 33 and cannot rotate relative to the main shaft 3, the upper end surface of the lower inner disc 12 is abutted against the lower end surface of the second shaft section 32, and the third shaft section 33 is in threaded connection with a locking nut 331 which compresses the lower inner disc 12 upwards in the axial direction.
As shown in fig. 1 and 3, in another preferred embodiment of the present invention, the specific connection mode between the upper outer disk 21 and the lower outer disk 22 of the outer test tube disk 2 and the second driven pulley 51 is: the lower outer disc 22 is also fixedly connected with the upper outer disc 21 through a plurality of support rods 13; a cross 53 is coaxially and fixedly connected to the second driven pulley 51, for example, by a bolt, supporting blocks 54 are fixedly connected to four outer ends of the cross 53, for example, by welding, and the supporting blocks 54 are fixedly connected to the lower end of the lower outer disc 22; cross 53 is located below lock nut 331. In practice, the cross 53 may also be fixedly connected to the wear-resistant sliding sleeve 52, or both the second driven pulley 51 and the wear-resistant sliding sleeve 52.
As shown in fig. 1 and 3, in another preferred embodiment of the present invention, the turntable device further includes a bearing seat 6 fixedly disposed outside the main shaft 3 and sleeved with a sleeve between the second driven pulley 51 and the first driven pulley 41, the bearing seat 6 is fixedly connected to the case 100 of the hemorheology instrument through a bolt, a deep groove ball bearing 72 is disposed between the bearing seat 6 and the main shaft 3, and the specific structure and connection mode of the deep groove ball bearing 72 and the bearing seat 6 are prior art and are not repeated herein. After the bearing seat 6 and the deep groove ball bearing 72 are arranged, the main shaft 3 can be supported, and the shaking of the main shaft 3 in the rotating process is reduced, so that the main shaft can rotate more stably.
As shown in fig. 1 and 3, in another preferred embodiment of the present invention, a thrust ball bearing 71 is pressed between the lock nut 331 and the cross 53, and a thrust ball bearing 71 is also pressed between the second driven pulley 51 and the bearing housing 6.
Example two
The embodiment provides a double-station hemorheometer, which has two detection stations, as shown in fig. 4, in a preferred embodiment of the present invention, the hemorheometer includes a case 100, and a sample injection device 20, a detection device 30 and a sample injection needle cleaning device 40 which are installed on the case 100, wherein the number of the sample injection device 20, the detection device 30 and the sample injection needle cleaning device 40 is two sets, one set is arranged at the left part of the case 100, and the other set is arranged at the right part of the case 100; the middle part of the case 100 is also provided with a turntable device 10 in the first embodiment, the upper end faces of an outer test tube plate 2 and an inner test tube plate 1 of the turntable device 10 are both positioned on the working face of the case 100, one set of sample injection device 20 samples from the outer test tube plate 2, and the other set of sample injection device 20 samples from the inner test tube plate 1. For example, in fig. 4, the left sample injection device 20 samples from the inner tube tray 1, and the right sample injection device 20 samples from the outer tube tray 2.
In another preferred embodiment of the present invention, the case 100 is further provided with a stirring device 50 and a stirring and cleaning device 60 located at the rear portion of the case 100, the stirring device 50 includes a stirring member 501 for stirring the blood sample in the test tube on the external test tube tray 2 and the internal test tube tray 1, and the stirring member 501 for stirring the blood sample is cleaned in the stirring and cleaning device 60.
The working process of detecting the blood plasma by using the hemorheometer is as follows: as shown in fig. 4, an operator first places a test tube loaded with a blood sample in the test tube placing hole 14 of the turntable device 10, and then starts the turntable device 10, and the inner test tube tray 1 and the outer test tube tray 2 of the turntable device 10 rotate independently; when the sample injection device 20 works, the sample injection needles 201 of the sample injection devices 20 on both sides collect blood samples from the test tubes of the inner test tube tray 1 and the outer test tube tray 2 respectively and transfer the blood samples to the detection device 30 for detection, and then the sample injection devices 20 move the sample injection needles 201 to the sample injection needle cleaning device 40 for cleaning; the cleaned sample injection needle 201 injects the sample from the next test tube of the turntable device 10 again, and the process is repeated.
In the whole working process, the rotating speeds of the inner test tube disc 1 and the outer test tube disc 2 are matched with the sample injection device 20, the detection device 30 and the sample injection needle cleaning device 40; for example, thirty test tube placing holes 14 are respectively arranged on the inner test tube tray 1 and the outer test tube tray 2, and the sample injection device 20, the detection device 30 and the sample injection needle cleaning device 40 work for one cycle when the inner test tube tray 1 and the outer test tube tray 2 rotate for 12 degrees (360 degrees/30 degrees).
When the hemorheometer is used for detecting whole blood, before a sample injection needle 201 of a sample injection device 20 injects the sample from a test tube, a stirring piece 501 of a stirring device 50 firstly stirs the whole blood in the test tube on an inner test tube tray 1 and an outer test tube tray 2, so that the whole blood sample is uniformly mixed, and the whole blood sample is stirred and then injected into the sample injection device 20; the stirring bar 501 after stirring the whole blood sample is washed in the stirring and washing device 60, and then the whole blood in the next test tube is stirred after the washing. Since one stirring device 50 needs to stir the whole blood sample in the test tubes of the inner tube tray 1 and the outer tube tray 2, the operating frequency of the stirring device 50 is twice that of the sample injection device 20.
In the description herein, reference to the description of the terms "preferred embodiment," "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A double-station hemorheometer comprises a case, and a sample introduction device, a detection device and a sample introduction needle cleaning device which are arranged on the case, wherein the number of the sample introduction device, the detection device and the sample introduction needle cleaning device is two; the method is characterized in that:
the test tube rotating device comprises an inner test tube disc, an outer test tube disc, a first driving mechanism and a second driving mechanism, wherein the outer test tube disc is coaxially sleeved outside the inner test tube disc; the inner test tube tray and the outer test tube tray are respectively provided with a plurality of test tube placing positions, and the inner test tube tray and the outer test tube tray can independently rotate; the rotation speeds of the inner test tube disc and the outer test tube disc are the same or different, and the rotation directions of the inner test tube disc and the outer test tube disc are the same or opposite;
the upper end surfaces of the outer test tube disc and the inner test tube disc are both positioned on the working surface of the case; one set of sampling device samples from the outer test tube tray, and the other set of sampling device samples from the inner test tube tray.
2. The dual-station hemorheological instrument according to claim 1, wherein the cabinet is further provided with a stirring device and a stirring and cleaning device, the stirring device comprises a stirring piece for stirring the blood samples in the test tubes on the external test tube tray and the internal test tube tray, and the stirring piece after stirring the blood samples is cleaned in the stirring and cleaning device.
3. The double-station hemorheological instrument according to claim 1 or 2, characterized in that the first driving mechanism comprises a first motor, an output shaft of the first motor is coaxially connected with a first driving pulley, the first driving pulley is connected with a first driven pulley through a belt, the first driven pulley is coaxially and fixedly connected with a main shaft, and the inner test tube disc is fixedly connected with the main shaft.
4. The dual-station hemorheological instrument according to claim 3, wherein the second driving mechanism comprises a second motor, an output shaft of the second motor is coaxially connected with a second driving pulley, the second driving pulley is connected with a second driven pulley through a belt, the second driven pulley is rotatably connected with the main shaft, and the second driven pulley is directly or indirectly coaxially and fixedly connected with the outer test tube tray.
5. The double-station hemorheometer according to claim 4, wherein the inner tube tray comprises an upper inner tray and a lower inner tray which are arranged in parallel, the upper inner tray and the lower inner tray are coaxially and fixedly connected with the spindle, a plurality of tube placing holes are uniformly arranged on the upper inner tray in the circumferential direction, and a plurality of tube placing holes which are in one-to-one correspondence with the tube placing holes of the upper inner tray are arranged on the lower inner tray;
and/or the outer test tube tray comprises an upper outer tray and a lower outer tray which are arranged in parallel, the upper outer tray and the lower outer tray can synchronously rotate relative to the main shaft, a plurality of test tube placing holes are uniformly arranged on the upper outer tray in the circumferential direction, and a plurality of tube supporting holes which are in one-to-one correspondence with the test tube placing holes of the upper outer tray are arranged on the lower outer tray;
the number of the test tube placing holes on the upper inner disc and the upper outer disc is the same or different;
the upper outer disc is coaxially sleeved outside the upper inner disc, and the lower outer disc is coaxially sleeved outside the lower outer disc.
6. The dual-station hemorheometer of claim 5, wherein the upper inner plate is fixedly connected to the lower inner plate by a plurality of support rods;
the upper part of the main shaft is provided with a second shaft section, a first shaft section with a smaller diameter is arranged above the second shaft section, the upper inner disc is clamped on the first shaft section, the lower end face of the upper inner disc is abutted against the upper end face of the second shaft section, and the first shaft section is in threaded connection with a locking cover which can compress the upper inner disc axially and downwards;
the below of second shaft section also has the third shaft section that the diameter is littleer, the inner disc card is established on the third shaft section down, and the up end of lower inner disc is contradicted with the lower terminal surface of second shaft section, threaded connection has on the third shaft section with the locking nut that the inner disc axial upwards compressed tightly down.
7. The dual-station hemorheometer of claim 6 wherein said lower outer plate is also secured to said upper outer plate by a plurality of said support rods; the second driven belt wheel is positioned above the first driven belt wheel, a cross is coaxially and fixedly connected to the second driven belt wheel, supporting blocks are fixedly connected to four outer ends of the cross, and the supporting blocks are fixedly connected with the lower end of the lower outer disc and are positioned below the locking nut.
8. The dual-station hemorheological instrument according to claim 7, further comprising a fixedly disposed bearing seat disposed between the second driven pulley and the first driven pulley and sleeved outside the main shaft.
9. The double-station hemorheological instrument according to claim 8, characterized in that a deep groove ball bearing is arranged between the bearing seat and the main shaft, a thrust ball bearing is arranged between the lock nut and the cross, and a thrust ball bearing is also arranged between the second driven pulley and the bearing seat.
10. The dual-station hemorheological instrument according to any one of claims 5 to 9, wherein the main shaft is coaxially and rotatably connected with a wear-resistant sliding sleeve, and the second driven pulley is sleeved outside the wear-resistant sliding sleeve and coaxially and fixedly connected with the wear-resistant sliding sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922237185.9U CN211402034U (en) | 2019-12-13 | 2019-12-13 | Double-station blood rheometer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922237185.9U CN211402034U (en) | 2019-12-13 | 2019-12-13 | Double-station blood rheometer |
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| CN211402034U true CN211402034U (en) | 2020-09-01 |
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| CN201922237185.9U Active CN211402034U (en) | 2019-12-13 | 2019-12-13 | Double-station blood rheometer |
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| CN (1) | CN211402034U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112304877A (en) * | 2020-11-02 | 2021-02-02 | 南京润太医学检验实验室有限公司 | Photoelectric device for blood rheology detection |
| CN116008046A (en) * | 2022-12-26 | 2023-04-25 | 广州市进德生物科技有限公司 | Automatic diluting and sample adding device |
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2019
- 2019-12-13 CN CN201922237185.9U patent/CN211402034U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112304877A (en) * | 2020-11-02 | 2021-02-02 | 南京润太医学检验实验室有限公司 | Photoelectric device for blood rheology detection |
| CN112304877B (en) * | 2020-11-02 | 2022-11-04 | 南京润太医学检验实验室有限公司 | Photoelectric device for blood rheology detection |
| CN116008046A (en) * | 2022-12-26 | 2023-04-25 | 广州市进德生物科技有限公司 | Automatic diluting and sample adding device |
| CN116008046B (en) * | 2022-12-26 | 2023-11-10 | 广州市进德生物科技有限公司 | Automatic diluting and sample adding device |
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