CN217277137U

CN217277137U - Sampling device of blood analyzer

Info

Publication number: CN217277137U
Application number: CN202220858928.3U
Authority: CN
Inventors: 陈恒博; 高超; 周兴杏
Original assignee: Nanjing Yilanbei Biotechnology Co ltd
Current assignee: Nanjing Yilanbei Biotechnology Co ltd
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-08-23
Anticipated expiration: 2032-04-14

Abstract

The utility model provides a blood analysis appearance sampling device, the on-line screen storage device comprises a base, be equipped with horizontal migration's around can on the base support, be equipped with horizontal migration's supporting shoe from top to bottom on the support, the supporting shoe below is equipped with fixture, fixture is used for centre gripping sampling needle both ends, the fixture top still is equipped with displacement mechanism, displacement mechanism is used for changing the distance between the sampling needle, it has the sample analysis pond to go back even transverse distribution on the base, the base front side is equipped with conveying mechanism, the last test-tube rack that is equipped with of conveying mechanism, evenly distributed has a plurality of test tubes on the test-tube rack, the utility model discloses a blood analysis appearance sampling device can make things convenient for a plurality of sampling needles to inhale synchronous movement equidistant difference to a plurality of sample analysis pond tops synchronous going of back and drip appearance to can carry out the centre gripping to the sampling needle, be convenient for install and remove.

Description

Sampling device of blood analyzer

Technical Field

The utility model belongs to the technical field of blood analysis appearance, concretely relates to blood analysis appearance sampling device.

Background

The blood analyzer is one of the most common instruments for clinical examination at home and abroad at present, is mainly used for detecting blood samples, can carry out qualitative and quantitative analysis on visible components in blood and provides related information.

Blood analyzer is when the analysis sample, the sampling needle need be earlier from the test tube extraction sample then with the sample of absorption drip into sample analysis pond in the analysis, in order to raise the efficiency, use a plurality of sampling needles analysis of sampling simultaneously usually, and to the phenomenon that the distance is different between distance and the adjacent test tube between the adjacent sample analysis pond, a plurality of sampling needles can't change the distance after the sample is extracted in the test tube simultaneously and go to correspond a plurality of sample analysis ponds respectively and drip the analysis, only enable the work of every sampling needle independent control, thus, the cost is high, and the operation is complicated. And the sampling needle among the prior art generally adopts the top to inlay the mounting method in the sleeve, and this kind of mounting means makes the sampling needle expose very big one section, and the partial skew of needle point portion takes place for easy, and installation and dismantlement are more loaded down with trivial details, influence sampling effect and efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a blood analysis appearance sampling device, a plurality of sampling needles can change the interval one-to-one after the sampling and carry out the dropping sample to sample analysis pond top in step to can carry out the centre gripping to the sampling needle, be convenient for install and remove and can also prevent the drift of needle point.

The utility model provides a following technical scheme:

the utility model provides a blood analyzer sampling device, includes the base, be equipped with the support on the base, horizontal migration around the support can be driven by moving mechanism one, be equipped with the supporting shoe on the support, horizontal migration about the supporting shoe can be driven by moving mechanism two, evenly distributed has on the base with the sample analysis pond of the same quantity of sampling needle, the base front side still is equipped with conveying mechanism, the last test-tube rack that is equipped with of conveying mechanism, the horizontal evenly distributed of test-tube rack has a plurality of test tubes, the test tube is the same with the quantity of sampling needle, still includes the fixture that is used for centre gripping sampling needle and is used for driving the equidistant mechanism that removes of the equidistant of a plurality of sampling needles.

The clamping mechanism comprises a body, the lower part of the variable-pitch mechanism is connected with the body, a placing groove used for placing the sampling needle is formed in the body, a plurality of locking blocks are longitudinally distributed on the body, and the locking blocks are movably mounted on the body and can clamp or loosen the sampling needle in the placing groove.

Further, the variable pitch mechanism comprises a lead screw driven by a driving piece to rotate, the lead screw is rotatably installed on the supporting block, a plurality of sliders distributed at even intervals are movably installed on the lead screw, threads are arranged in the sliders and matched with the threads on the lead screw, and a plurality of scissor rod mechanisms enabling the sliders to move in equal intervals are hinged to the upper portion of the sliders.

Furthermore, the scissors rod mechanism comprises a first rotating rod, one end of the first rotating rod is hinged below the supporting block, the other end of the first rotating rod is hinged at one end of a second rotating rod, the other end of the second rotating rod is hinged at one end of a third rotating rod, and the middle of the second rotating rod is hinged on a sliding block on the same side of the second rotating rod. The other end of the third rotating rod is hinged with one end of a fourth rotating rod, the middle of the third rotating rod is hinged to the middle sliding block, the other end of the fourth rotating rod is hinged to the sliding block on the same side of the fourth rotating rod, and the first connecting rod and the second connecting rod are symmetrically distributed with the fourth connecting rod and the third connecting rod respectively and are equal in length.

Furthermore, the inner sides of the two ends of the supporting block are connected with connecting rods, the connecting rods penetrate through the sliding blocks, and the sliding blocks can horizontally move along the transverse direction of the connecting rods.

Furthermore, the locking block is horizontally and movably arranged between the two mounting seats, the locking block is provided with a butt end opposite to the placing groove, and the locking block far away from one end of the placing groove is provided with a locking piece for fixing the position of the locking block.

Further, the body lower extreme is equipped with the changeover portion, and the size of changeover portion to body one side reduces gradually.

Further, one side of the sampling needle is provided with a position sensor which can align with the test tube and the sample analysis pool.

Furthermore, the supporting block and the support are driven by a first moving mechanism and a second moving mechanism respectively to automatically move.

The utility model has the advantages that:

1. drive the lead screw through actuating mechanism and rotate and make the slider remove, scissors rod mechanism articulates on the slider, thereby makes the equidistant displacement drive of slider change the interval between the adjacent sampling needle, to the phenomenon that the distance is different between distance and the adjacent test tube between the adjacent sample analysis pond, the sampling needle can change the interval and correspond respectively.

2. Through the loosening or locking of retaining member, can make the locking piece remove or fixed to make the sampling needle loosen or the centre gripping, it is convenient to take, and a plurality of locking pieces of vertical distribution on the body can prevent the skew of sampling needle point.

3. Sampling needle one side is equipped with position sensor, can accurately confirm the position of test tube, sample analysis pond sample, drip appearance respectively, and the body establishes to the changeover portion, and the size reduces gradually, and under the less condition of sample, the sampling needle also can stretch into the bottom.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic left side view of the present invention;

fig. 3 is a schematic top view of the pitch mechanism of the present invention;

FIG. 4 is a schematic view of a prior art sampling needle mounting structure;

fig. 5 is a schematic diagram of a three-dimensional structure of the clamping mechanism of the present invention.

Labeled as: 1-base, 2-bracket, 3-supporting block, 4-variable pitch mechanism, 41-driving piece, 42-lead screw, 43-slide block, 44-scissor rod mechanism, 441-rotating rod I, 442-rotating rod II, 443-rotating rod III, 444-rotating rod IV, 45-connecting rod, 5-clamping mechanism, 51-body, 52-placing groove, 53-mounting seat, 54-locking block, 55-locking piece, 56-transition section, 6-sampling needle, 7-conveying mechanism, 8-test tube rack, 9-test tube, 10-sample analysis pool and 11-casing.

Detailed Description

In order to make those skilled in the art understand the technical solutions in the embodiments of the present invention better and make the above objects, features and advantages of the embodiments of the present invention more obvious and understandable, the following description of the technical solutions in the embodiments of the present invention will be made in detail with reference to the accompanying drawings.

As shown in fig. 1, 2 and 3, a sampling device of a blood analyzer comprises a base 1, wherein a support 2 is arranged on the base 1, the support 2 can be driven by a first moving mechanism to horizontally move forwards and backwards, a support block 3 is arranged on the support 2, the support block 3 is driven by a second moving mechanism to horizontally move upwards and downwards, the first moving mechanism and the second moving mechanism are controlled by a processor to start and stop, a plurality of sample analysis pools 10 are transversely and uniformly distributed on the base 1, a conveying mechanism 7 is further arranged on the front side of the base 1, a test tube rack 8 is arranged on the conveying mechanism 7, a plurality of test tubes 9 are transversely and uniformly distributed on the test tube rack 8, the number of the test tubes 9, the number of the sample analysis pools 10 is the same as that of sampling needles 6, and the sampling device of the blood analyzer further comprises a clamping mechanism 5 and a distance-changing mechanism 4.

Sampling needle 6 one side is equipped with position sensor, can accurate definite test tube position and sample analysis pool's position, thereby it drips the sample to correspond above sample analysis pool 10 to remove through the distance change mechanism 4 distance between each sampling needle 6 after the sampling needle 6 extraction sample. The pitch-variable mechanism 4 comprises a lead screw 42 driven by a driving part 41 to rotate, the lead screw 42 is rotatably installed on the supporting block 3, a plurality of sliders 43 distributed at equal intervals are movably installed on the lead screw 42, the inner sides of two ends of the supporting block 3 are connected with connecting rods 45, the connecting rods 45 penetrate through the sliders 43, threads in the sliders 43 are matched with the threads on the lead screw 42, when the driving part 41 works, the lead screw 42 rotates, the sliders 43 transversely and horizontally move along the connecting rods 45, and a scissor rod mechanism 44 enabling the sliders 43 to move at equal intervals is hinged above the sliders 43. The scissor lever mechanism 44 enables the sliders 43 to move equidistantly in synchronism. The scissors lever mechanism 44 comprises a first rotating lever 441, one end of the first rotating lever 441 is hinged below the supporting block 3, the other end of the first rotating lever is hinged at one end of a second rotating lever 442, the other end of the second rotating lever 422 is hinged at one end of a third rotating lever 443, and the middle of the second rotating lever 442 is hinged on the same-side sliding block of the second rotating lever 442. The other end of the third rotating rod 443 is hinged with one end of a fourth rotating rod 444, the middle of the third rotating rod 443 is hinged on the middle sliding block, the other end of the fourth rotating rod 444 is hinged on the sliding block on the same side of the fourth rotating rod 444, and the first rotating rod 441 and the second rotating rod 442 are symmetrically distributed with the fourth rotating rod 444 and the third rotating rod 443 respectively and have the same length.

As shown in fig. 4, the sampling needle is mounted in the market by embedding the sampling needle 6 in the sleeve 11, which makes the tip part of the sampling needle 6 easily deviated. The utility model designs a clamping device on the blood analyzer sampling device aiming at the phenomenon, as shown in fig. 5, the clamping mechanism 5 comprises a body 51, the lower part of the displacement mechanism 4 is connected with the body 51, the lower end of the body 51 is provided with a transition section 56, the size from the transition section 56 to the left end of the body 51 is gradually reduced, the sampling needle 6 can not descend to the bottom of the test tube 9 when the sample volume is less, the body 51 is provided with a longitudinally extending placing groove 52, the front side and the rear side of the body 51 are both provided with a plurality of mounting seats 53, the locking block 54 is horizontally arranged between the two mounting seats 53, the locking blocks at the front side and the rear side are opposite, one side close to the locking blocks is provided with a butt end, the butt end is opposite to the placing groove 52 and can support the sampling needle 6, the locking block 54 far away from one end of the placing groove is provided with a locking piece 55, the locking piece 55 is provided with an external thread, the latch segment 54 is equipped with the internal thread, and it can make the latch segment 54 fixed to rotate latch segment 55, puts sampling needle 6 in standing groove 52, removes latch segment 54, makes the butt end support sampling needle 6, thereby it can be fixed to carry out the centre gripping to sampling needle 6 to rotate latch segment 55 to latch segment 54.

The utility model discloses when using, put sampling needle 6 in standing groove 53, remove locking piece 54, make the butt end support sampling needle 6, thereby rotate locking piece 55 and can carry out the centre gripping to sampling needle 6 fixed locking piece 54. The test tube rack 8 is placed on the conveying mechanism 7 and conveyed to a certain distance and then stopped, the first moving mechanism drives the support 2 to move back and forth, so that the support block 3 is arranged above the test tube rack 8, the driving piece 41 drives the screw rod 42 to rotate, the sliding block 43 moves, the rotating rod rotates, so that each sampling needle 6 vertically corresponds to each test tube 9, the second moving mechanism drives the support block 3 to move downwards, the sampling needles 6 extend into the test tubes 9 to extract samples, the second moving mechanism drives the support block 3 to move upwards, the first moving mechanism drives the support 2 to move backwards, so that the support block 3 is arranged above the sample analysis pool 10, the driving piece 41 drives the screw rod 42 to rotate, the sliding block 43 moves, the rotating rod rotates, so that each sampling needle 6 vertically corresponds to each sample analysis pool 10, the second moving mechanism drives the support block 3 to move downwards, so that the sampling needle 6 is arranged above the sample analysis pool 10, and then the samples are dripped into the sample analysis pool 10. When the sampling needle 6 needs to be taken down, the locking piece 55 is rotated reversely, the locking block 54 is released, the locking block 54 is pulled rightwards, and then the sampling needle 6 can be taken down.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A sampling device of a blood analyzer comprises a base (1), wherein a support (2) capable of horizontally moving back and forth along the base (1) is arranged on the base (1), and a supporting block (3) capable of horizontally moving up and down along the support (2) is arranged on the support (2), and is characterized in that sample analysis pools (10) with the same number as sampling needles (6) are uniformly distributed on the base (1), a conveying mechanism (7) is also arranged on the front side of the base (1), a test tube rack (8) is arranged on the conveying mechanism (7), and a plurality of test tubes (9) are uniformly distributed on the test tube rack (8); the device also comprises a clamping mechanism (5) for clamping the sampling needles (6) and a pitch-variable mechanism (4) for driving the sampling needles (6) to move at equal intervals;

the clamping mechanism (5) comprises a body (51), the body (51) is connected below the variable-pitch mechanism (4), a placing groove (52) for placing the sampling needle is formed in the body (51), a plurality of locking blocks (54) are longitudinally distributed on the body (51), the locking blocks (54) are movably mounted on the body (51), and the sampling needle (6) in the placing groove (52) can be clamped or loosened.

2. The sampling device of the blood analyzer according to claim 1, wherein the pitch-variable mechanism (4) comprises a lead screw (42) driven by a driving member (41) to rotate, the lead screw (42) is rotatably mounted on the support block (3), a plurality of evenly spaced sliders (43) are movably mounted on the lead screw (42), threads are arranged in the sliders (43) to match with the threads on the lead screw (42), and a scissor rod mechanism (44) for moving the plurality of sliders (43) at equal intervals is hinged above the sliders (43).

3. The hematology analyzer sampling device according to claim 2, characterized in that the scissor bar mechanism (44) comprises a first rotating bar (441), one end of the first rotating bar (441) is hinged below the support block (3), the other end is hinged at one end of a second rotating bar (442), the other end of the second rotating bar (442) is hinged at one end of a third rotating bar (443), and the middle of the second rotating bar (442) is hinged at the same side of the second rotating bar (442);

the other end of the rotating rod III (443) is hinged with one end of the rotating rod IV (444), the middle of the rotating rod III (443) is hinged on the middle sliding block, the other end of the rotating rod IV (444) is hinged on the sliding block on the same side of the rotating rod IV (444), and the rotating rod I (441) and the rotating rod II (442) are symmetrically distributed with the rotating rod IV (444) and the rotating rod III (443) respectively and have the same length.

4. The sampling device of the blood analyzer according to claim 2, wherein the inner sides of both ends of the supporting block (3) are connected with connecting rods (45), and the connecting rods (45) penetrate through the sliding block (43).

5. The sampling device of the blood analyzer according to claim 1, wherein the locking block (54) is horizontally and horizontally disposed between the two mounting seats (53), the locking block (54) is provided with an abutting end opposite to the placing groove (52), and the locking block (54) at one end far away from the placing groove (52) is provided with a locking member (55) for fixing the position of the locking block (54).

6. The hematology analyzer sampling device of claim 1, wherein the lower end of the body (51) is provided with a transition section (56), and the size of the transition section (56) gradually decreases from the left end of the body (51).

7. The hematology analyzer sampling device according to claim 1, characterized in that the sampling needle (6) is provided with a position sensor on one side.

8. The sampling device of claim 1, wherein the support block (3) and the bracket (2) are driven by a first moving mechanism and a second moving mechanism respectively to realize automatic movement.