阅读说明：本技术 一种新型样本仓 (Novel sample bin ) 是由 芮双印 王新强 张艳凤 于 2021-08-03 设计创作，主要内容包括：本发明提供了一种新型样本仓,包括样本仓本体、放置于样本仓本体中的样本架、围设在样本架外周的“L”型主臂以及与“L”型主臂分别相连的Z轴丝杆步进电机组件、X轴丝杆步进电机组件；其中,Z轴丝杆步进电机组件的一端与“L”型主臂固定,另一端通过第一丝杆螺母与提升块带动样本架上下移动；X轴丝杆步进电机组件的一端与样本仓本体固定,另一端通过第二丝杆螺母带动样本架前后移动；此外,“L”型主臂上还分别设有Z轴滑动限位组件与X轴滑动限位组件。本发明通过两个步进丝杆电机实现样本架的自由移动,操作简单,且省时省力；同时,增加Z轴滑动限位组件与X轴滑动限位组件,提高样本架移动过程的稳定性,避免运行不稳造成的样品翻倒。(The invention provides a novel sample bin which comprises a sample bin body, a sample frame arranged in the sample bin body, an L-shaped main arm arranged around the periphery of the sample frame, and a Z-axis lead screw stepping motor assembly and an X-axis lead screw stepping motor assembly which are respectively connected with the L-shaped main arm; one end of the Z-axis screw rod stepping motor assembly is fixed with the L-shaped main arm, and the other end of the Z-axis screw rod stepping motor assembly drives the sample frame to move up and down through a first screw rod nut and a lifting block; one end of the X-axis screw rod stepping motor assembly is fixed with the sample bin body, and the other end of the X-axis screw rod stepping motor assembly drives the sample rack to move back and forth through a second screw rod nut; in addition, a Z-axis sliding limiting component and an X-axis sliding limiting component are further arranged on the L-shaped main arm respectively. The sample rack can freely move through the two stepping screw rod motors, so that the operation is simple, and the time and the labor are saved; meanwhile, a Z-axis sliding limiting assembly and an X-axis sliding limiting assembly are added, so that the stability of the sample rack in the moving process is improved, and the sample overturning caused by unstable operation is avoided.)

1. A novel sample bin is characterized by comprising a sample bin body, a sample frame arranged in the sample bin body, an L-shaped main arm arranged around the periphery of the sample frame, and a Z-axis lead screw stepping motor assembly and an X-axis lead screw stepping motor assembly which are respectively connected with the L-shaped main arm; one end of the Z-axis screw rod stepping motor assembly is fixed with the L-shaped main arm, and the other end of the Z-axis screw rod stepping motor assembly drives the sample rack to move up and down relative to the sample bin body through the matching of a first screw rod nut and the lifting block; one end of the X-axis screw rod stepping motor assembly is fixed with the bottom of the sample bin body through a fixing seat, and the other end of the X-axis screw rod stepping motor assembly drives the L-shaped main arm to be linked with the sample frame to move back and forth relative to the sample bin body through the matching of a second screw rod nut; in addition, a Z-axis sliding limiting component and an X-axis sliding limiting component are respectively arranged on the L-shaped main arm; the Z-axis sliding limiting assembly is used for realizing vertical movement of the sample rack up and down, and the X-axis sliding limiting assembly is used for realizing horizontal movement of the sample rack back and forth.

2. The novel sample cartridge of claim 1, wherein the sample cartridge body comprises a floor and a plurality of sample rack rails disposed on the floor; a plurality of sample rack accommodating spaces are formed between the bottom plate and the sample rack fence.

3. The novel sample cartridge according to claim 1, wherein a plurality of sample tube slots are provided on the sample rack; the sample tube slot is used for placing a sample tube.

4. The new sample cartridge as claimed in claim 1, wherein said main L-shaped arm comprises a horizontal arm and a vertical arm connected to said horizontal arm; the horizontal arm is arranged at the bottom of the main bin body and is fixedly connected with the second lead screw nut; the vertical arm is arranged on the side of the sample bin body, and the bottom of the vertical arm is fixedly connected with one end of the Z-axis screw rod stepping motor component; and under the driving of the X-axis screw rod stepping motor assembly, the second screw rod nut drives the horizontal arm, the vertical arm and the X-axis screw rod stepping motor assembly to synchronously move.

5. The new specimen cartridge of claim 4, wherein said Z-axis screw stepper motor assembly includes a first stepper motor and an upwardly acting first screw; the rod body of the first screw rod is in sleeve fit with the first screw rod nut, the lifting block is fixed on the first screw rod nut, and the top of the lifting block is in clamping fit with the bottom of the extension frame at the side end of the sample frame; under the drive of the first stepping motor, the first lead screw drives the first lead screw nut, the lifting block and the sample frame to move up and down.

6. The new specimen cartridge of claim 5, wherein said X-axis screw stepper motor assembly includes a second stepper motor and a horizontally acting second screw; the rod body of the second lead screw is in sleeve fit with the second lead screw nut, and the second lead screw nut is fixedly connected with one end of the horizontal arm; and under the drive of the second stepping motor, the second lead screw drives the second lead screw nut, the horizontal arm, the vertical arm, the X-axis lead screw stepping motor assembly, the lifting block and the sample rack to integrally move back and forth.

7. The novel sample cartridge of claim 1, wherein the Z-axis slide stop assembly comprises a first slide rail and a first slide block; the first sliding rail is vertically arranged at the vertical part of the L-shaped main arm, one end of the first sliding block is fixed with the lifting block, and the other end of the first sliding block is in sliding fit with the first sliding rail; the X-axis sliding limiting assembly comprises a second sliding rail and a second sliding block; the second slide rail is transversely arranged at the bottom of the sample bin body, one end of the second slide block is fixed with the horizontal part of the L-shaped main arm, and the other end of the second slide block is in sliding fit with the second slide rail.

8. The novel sample cabin according to claim 1, wherein a spur rack pressing block is connected to the upper part of the L-shaped main arm in a sliding manner, and a gear matched with a rack of the spur rack pressing block is arranged on the lifting block; the straight rack pressing block is in up-and-down sliding fit with the L-shaped main arm through a third sliding rail vertically arranged on the L-shaped main arm; when the sample rack is lifted to the position of the spur rack pressing block, the pressing block of the spur rack pressing block presses the sample rack downwards, and meanwhile, the rack of the spur rack pressing block is meshed with the gear; when the sample rack continues to be lifted, the gear drives the rack to move upwards along the track of the third slide rail.

9. The novel sample cartridge of any one of claims 1-8, further comprising a test platform; the test platform comprises a support column arranged in the sample bin body and a support table fixed on the support column; the support table is used for supporting the sample rack.

10. The new specimen cartridge of claim 9, wherein the specimen rack is moved from a home position onto the support stage by the Z-axis and X-axis screw stepper motor assemblies.

Technical Field

The invention relates to the technical field of in-vitro diagnosis, in particular to a novel sample bin.

Background

In the detection operation process of the instrument, a sample placed on a sample rack of a sample bin needs to be sucked and transferred through a sample adding gun, and the sample is filled into a detection reaction tube in a test area. Most of sample bins in the current market adopt a tiled design, and a sample rack is fixed in the sample bin, so that when a sample is sucked and transferred, the sample is usually sucked and transferred from the position of the sample rack at the sample bin manually, and then is filled in a detection reaction tube of a test area. Because a certain space distance exists between the sample bin and the test area, the method is troublesome in operation, time-consuming and labor-consuming, and is easy to cause sample dripping in the sample transferring process, so that the test result is influenced.

In view of the above, it is urgently needed to design a novel sample storehouse structure that is easy to operate, time-saving and labor-saving, and operates stably, and is difficult for causing the sample to drip.

Disclosure of Invention

The invention aims to provide a novel sample bin which is simple to operate, time-saving and labor-saving, stable to operate and not easy to cause sample dripping.

The invention adopts the following technical scheme to solve the technical problems:

a novel sample bin comprises a sample bin body, a sample frame arranged in the sample bin body, an L-shaped main arm arranged around the periphery of the sample frame, and a Z-axis screw rod stepping motor assembly and an X-axis screw rod stepping motor assembly which are respectively connected with the L-shaped main arm; one end of the Z-axis screw rod stepping motor assembly is fixed with the L-shaped main arm, and the other end of the Z-axis screw rod stepping motor assembly drives the sample rack to move up and down relative to the sample bin body through the matching of a first screw rod nut and the lifting block; one end of the X-axis screw rod stepping motor assembly is fixed with the bottom of the sample bin body through a fixing seat, and the other end of the X-axis screw rod stepping motor assembly drives the L-shaped main arm to be linked with the sample frame to move back and forth relative to the sample bin body through the matching of a second screw rod nut; in addition, a Z-axis sliding limiting component and an X-axis sliding limiting component are respectively arranged on the L-shaped main arm; the Z-axis sliding limiting assembly is used for realizing vertical movement of the sample rack up and down, and the X-axis sliding limiting assembly is used for realizing horizontal movement of the sample rack back and forth.

In a preferred embodiment of the present invention, the sample chamber body includes a bottom plate and a plurality of sample rack fences disposed on the bottom plate; a plurality of sample rack accommodating spaces are formed between the bottom plate and the sample rack fence.

In a preferred embodiment of the present invention, the sample rack is provided with a plurality of sample tube slots; the sample tube slot is used for placing a sample tube.

In a preferred embodiment of the present invention, the "L" -shaped main arm includes a horizontal arm and a vertical arm connected to the horizontal arm; the horizontal arm is arranged at the bottom of the main bin body and is fixedly connected with the second lead screw nut; the vertical arm is arranged on the side of the sample bin body, and the bottom of the vertical arm is fixedly connected with one end of the Z-axis screw rod stepping motor component; and under the driving of the X-axis screw rod stepping motor assembly, the second screw rod nut drives the horizontal arm, the vertical arm and the X-axis screw rod stepping motor assembly to synchronously move.

As one preferable mode of the present invention, the Z-axis screw stepping motor assembly includes a first stepping motor and a first screw acting upward; the rod body of the first screw rod is in sleeve fit with the first screw rod nut, the lifting block is fixed on the first screw rod nut, and the top of the lifting block is in clamping fit with the bottom of the extension frame at the side end of the sample frame; under the drive of the first stepping motor, the first lead screw drives the first lead screw nut, the lifting block and the sample frame to move up and down.

As one preferable mode of the present invention, the X-axis screw stepping motor assembly includes a second stepping motor and a second screw horizontally acting; the rod body of the second lead screw is in sleeve fit with the second lead screw nut, and the second lead screw nut is fixedly connected with one end of the horizontal arm; and under the drive of the second stepping motor, the second lead screw drives the second lead screw nut, the horizontal arm, the vertical arm, the X-axis lead screw stepping motor assembly, the lifting block and the sample rack to integrally move back and forth.

As one preferable mode of the present invention, the Z-axis sliding limiting component includes a first slide rail and a first slide block; the first sliding rail is vertically arranged at the vertical part of the L-shaped main arm, one end of the first sliding block is fixed with the lifting block, and the other end of the first sliding block is in sliding fit with the first sliding rail; the X-axis sliding limiting assembly comprises a second sliding rail and a second sliding block; the second slide rail is transversely arranged at the bottom of the sample bin body, one end of the second slide block is fixed with the horizontal part of the L-shaped main arm, and the other end of the second slide block is in sliding fit with the second slide rail.

As one preferable mode of the invention, the upper part of the L-shaped main arm is further connected with a spur rack pressing block in a sliding manner, and the lifting block is provided with a gear matched with a rack of the spur rack pressing block; the straight rack pressing block is in up-and-down sliding fit with the L-shaped main arm through a third sliding rail vertically arranged on the L-shaped main arm; when the sample rack is lifted to the position of the spur rack pressing block, the pressing block of the spur rack pressing block presses the sample rack downwards, and meanwhile, the rack of the spur rack pressing block is meshed with the gear; when the sample rack continues to be lifted, the gear drives the rack to move upwards along the track of the third slide rail.

The invention also comprises a test platform as one of the preferable modes; the test platform comprises a support column arranged in the sample bin body and a support table fixed on the support column; the support table is used for supporting the sample rack.

In a preferred embodiment of the present invention, the sample rack is moved from a start position to the support base by the Z-axis screw stepping motor assembly and the X-axis screw stepping motor assembly.

Compared with the prior art, the invention has the advantages that:

(1) the invention utilizes two stepping screw rod motors to form an XZ coordinate system, can freely move the sample rack in the sample bin until the sample rack is lifted to a test area, has simple integral operation and saves time and labor; meanwhile, the Z-axis sliding limiting assembly and the X-axis sliding limiting assembly are respectively added in the lifting and translation processes of the sample rack, so that the stability of the sample rack in the moving process can be improved, and the sample is prevented from overturning or dropping due to unstable operation of the device;

(2) in the invention, a group of gear and rack structures are additionally arranged in the lifting process of the sample frame, and in the lifting process, the gear drives the rack to move to clamp the tail end of the sample frame; when the test is finished, the sample rack descends into the sample bin, and the clamping mechanism is automatically separated, so that the stability of the sample rack in the transportation process is further ensured;

(3) the invention also adds a test platform at the corresponding position of the sample bin body; the test platform can provide lower support for the sample frame moved to the position, and the sample frame is prevented from being inconvenient to sample due to insufficient support during sampling, so that the sample frame is prevented from overturning.

Drawings

FIG. 1 is a schematic diagram showing the overall structure of the novel sample chamber in example 1;

FIG. 2 is a schematic view of the structure of FIG. 1 at another angle;

FIG. 3 is a bottom structure display of the novel sample chamber of example 1;

FIG. 4 is a schematic view showing the structure of the sample holder moving onto the support table in example 1;

fig. 5 is a schematic view of the structure of fig. 4 at another angle.

In the figure: the sample container comprises a sample container body 1, a bottom plate 11, a sample frame enclosure 12, a sample frame 2, a frame body 21, a sample tube slot 211, an extension frame 22, an L-shaped main arm 3, a horizontal arm 31, a vertical arm 32, a third slide rail 321, a Z-axis screw rod stepping motor assembly 4, a first stepping motor 41, a first screw rod 42, a first screw rod nut 43, a lifting block 44, a gear 45, an X-axis screw rod stepping motor assembly 5, a second stepping motor 51, a second screw rod 52, a fixing seat 53, a second screw rod nut 54, a straight rack pressing block 6, a rack 61, a pressing block 62, a Z-axis sliding limiting assembly 7, a first slide rail 71, a first slide block 72, an X-axis sliding limiting assembly 8, a second slide rail 81, a first slide block 82, a test platform 9, a support platform 91 and a support platform 92.

Detailed Description

The following examples are given for the detailed implementation and specific operation of the present invention, but the scope of the present invention is not limited to the following examples.

Example 1

As shown in fig. 1-5, the novel sample cabin of this embodiment includes a sample cabin body 1, a sample rack 2 placed in the sample cabin body 1, an "L" shaped main arm 3 surrounding the sample rack 2, and a Z-axis screw stepping motor assembly 4 and an X-axis screw stepping motor assembly 5 respectively connected to the "L" shaped main arm 3. One end of the Z-axis screw stepping motor assembly 4 is fixed with the L-shaped main arm 3, and the other end of the Z-axis screw stepping motor assembly drives the sample rack 2 to move up and down relative to the sample cabin body 1 through the matching of the first screw nut 43 and the lifting block 44. One end of the X-axis screw stepping motor assembly 5 is fixed to the bottom of the sample chamber body 1 through a fixing seat 53, and the other end of the X-axis screw stepping motor assembly drives the L-shaped main arm 3 to link the sample frame 2 to move back and forth relative to the sample chamber body 1 through the cooperation of a second screw nut 54.

Specifically, referring to fig. 1, fig. 2 and fig. 3, in the present embodiment, the sample chamber body 1 includes a bottom plate 11 and a plurality of sample rack fences 12 disposed on the bottom plate 11, and a plurality of sample rack accommodating spaces for accommodating the sample racks 2 are formed between the bottom plate 11 and the sample rack fences 12. The sample holder 2 comprises a holder body 21 and extension holders 22 extending from two sides of the holder body 21; a plurality of sample tube slots 211 are arranged on the frame body 21 and used for placing sample tubes; the extension bracket 22 is then used to matingly attach the lift block 44.

Specifically, referring to fig. 2 and 5, in the present embodiment, the L-shaped main arm 3 includes a horizontal arm 31 and a vertical arm 32 connected to the horizontal arm 31. Wherein, the horizontal arm 31 is arranged at the bottom of the main body 1, and the horizontal arm 31 is fixedly connected with the second lead screw nut 54. The vertical arm 32 is arranged on the side of the sample cabin body 1 and the sample rack 2, the bottom of the vertical arm 32 is fixedly connected with one end of the Z-axis screw rod stepping motor assembly 4, and the upper part of the vertical arm 32 is provided with a vertical sliding rail 321. Wherein, under the driving of the X-axis screw stepping motor assembly 5, the second screw nut 54 drives the horizontal arm 31, the vertical arm 32 and the X-axis screw stepping motor assembly 5 to move synchronously.

Further, referring to fig. 1, in the present embodiment, the Z-axis screw stepping motor assembly 4 includes a first stepping motor 41 and a first screw 42 acting upward; the body of the first screw rod 42 is sleeved and matched with a first screw rod nut 43, a lifting block 44 is fixed on the first screw rod nut 43, and the top of the lifting block 44 is in clamping fit with the bottom of the extension frame 22 at the side end of the sample frame 2. Under the driving of the first stepping motor 41, the first lead screw 42 drives the first lead screw nut 43, the lifting block 44 and the sample rack 2 to move up and down.

Meanwhile, referring to fig. 1 and 5, the X-axis lead screw stepping motor assembly 5 includes a second stepping motor 51 and a second lead screw 52 acting horizontally; the shaft of the second lead screw 52 is sleeved and matched with a second lead screw nut 54, and the second lead screw nut 54 is fixedly connected with one end of the horizontal arm 31. Under the driving of the second stepping motor 51, the second screw 52 drives the second screw nut 54, the horizontal arm 31, the vertical arm 32, the Z-axis screw stepping motor assembly 4, the lifting block 44 and the sample rack 2 to move back and forth integrally.

Specifically, referring to fig. 2, fig. 4 and fig. 5, in this embodiment, a spur rack pressing block 6 is further slidably connected to the upper portion of the "L" -shaped main arm 3, and a gear 45 that is engaged with a rack 61 of the spur rack pressing block 6 is disposed on the lifting block 44. The spur rack pressing block 6 is in up-down sliding fit with the L-shaped main arm 3 through a third sliding rail 321 vertically arranged on the L-shaped main arm 3. When the sample rack 2 is lifted to the position of the spur rack pressing block 6, the pressing block 62 of the spur rack pressing block 6 presses the sample rack 2 downward, and simultaneously, the rack 61 of the spur rack pressing block 6 is meshed with the gear 45. When the sample rack 2 is lifted continuously, the gear 45 drives the rack 61 to move upwards continuously along the track of the vertical slide rail 321.

Meanwhile, referring to fig. 1 and fig. 3, in this embodiment, a Z-axis sliding limiting component 7 and an X-axis sliding limiting component 8 are further disposed on the "L" -shaped main arm 3, respectively. The Z-axis sliding limiting component 7 is used for realizing vertical movement of the sample rack 2, and the X-axis sliding limiting component 8 is used for realizing horizontal movement of the sample rack 2. Specifically, the Z-axis sliding limiting assembly 7 includes a first slide rail 71 and a first slider 72; the first slide rail 71 is vertically arranged on the vertical arm 32 of the L-shaped main arm 3, one end of the first slide block 72 is fixed with the lifting block 44, and the other end thereof is in sliding fit with the first slide rail 71. The X-axis sliding limiting assembly 8 comprises a second sliding rail 81 and a second sliding block 82; the second slide rail 81 is transversely arranged at the bottom of the sample bin body 1, one end of the second slide block 82 is fixed with the horizontal arm 31 of the L-shaped main arm 3, and the other end of the second slide block is in sliding fit with the second slide rail 81.

In addition, referring to fig. 1, the sample bin of the present embodiment further includes a testing platform 9; the testing platform 9 includes a pillar 91 disposed in the sample chamber body 1 and a supporting platform 92 fixed on the pillar 91, wherein the supporting platform 92 is used for supporting the sample rack 2. During the use, sample frame 2 moves to supporting bench 92 from the initial position through Z axle screw pole step motor subassembly 4, X axle screw pole step motor subassembly 5.

The embodiment has the advantages that: (1) an XZ coordinate system is formed by the X-axis screw rod stepping motor component 5 and the Z-axis screw rod stepping motor component 4, so that the sample frame 2 in the sample bin body 1 can move freely until the sample frame is lifted to a test platform 9; wherein, Z axle screw step motor element 4 drives earlier and promotes piece 44 and sample frame 2 and realize the up-and-down motion, and then, X axle screw step motor element 5 drives "L" type main arm 3 again and promotes whole seesaw such as piece 44, sample frame 2, realizes the free movement of sample frame 2 in view of the above, and whole operation process automation is high, labour saving and time saving. (2) The Z-axis sliding limiting component 7 and the X-axis sliding limiting component 8 are respectively added in the lifting and translation processes of the sample rack 2, so that the stability of the moving process of the sample rack 2 can be improved, and the sample is prevented from overturning or dropping due to unstable operation of the device. (3) In the lifting process of the sample rack 2, the gear 45 (fixed with the lifting block 44) drives the rack 61 to move upwards along the vertical sliding rail 321, and the pressing block 62 clamps the tail end of the sample rack 2 in the whole process; when the test is finished, the sample rack 2 descends into the sample bin body 1, and the clamping mechanism is automatically separated, so that the stability of the sample rack 2 in the transportation process is further ensured. (4) A test platform 9 is additionally arranged at the corresponding position of the sample bin body 1; the test platform 9 can provide a lower support for the sample rack 2 moved to this position, so as to prevent the sample rack 2 from overturning due to insufficient support of the sample rack 2 during sampling.

Accordingly, when the sample is required to be sucked and transferred from the sample tube of the sample rack 2 in this embodiment, the manual back and forth operation is not required, and only the sample rack 2 in the sample bin body 1 is required to be freely moved to the supporting platform 92 of the testing platform 9, and then the sample is sucked and transferred at this position. Adopt this embodiment device, not only easy operation, labour saving and time saving still remove the process stability because of sample frame 2 to the distance of directly taking a sample from testing platform 9 and changeing appearance is short, the time is fast, the difficult risk that the sample drips that appears.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.