Sampling device with anti-blocking function

Abstract

The utility model discloses a sampling device with an anti-blocking function, which belongs to the technical field of medical instruments and comprises a bottom plate, and a rotating disc is rotatably arranged on the left side of the top of the bottom plate; a vertical plate is fixedly mounted on the rear side of the top of the bottom plate; an automatic probe transfer mechanism is arranged at the front end of the vertical plate; the automatic probe transfer mechanism comprises a driving assembly used for controlling the sampling probe to move left and right, a moving plate, a self-driven lifting assembly used for controlling the sampling probe to automatically ascend and descend in the moving process and a lifting plate. Through the mode, the device can realize automatic transfer of the sampling probe between the sampling station and the transfer station through the automatic probe transfer mechanism, the additional station amount of manual sampling solution transfer is avoided, and through the self-driven lifting assembly, the automatic probe and extraction operation is realized in the moving process of the sampling probe; a sampling solution is fully stirred through the rotary stirring mechanism, so that not only is the sampling accuracy improved, but also the probability of blockage during sampling is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely relates to a sampling device with prevent blocking function. BACKGROUND

[0002] Cell sampling is a critical step in biological and medical research, where cells are isolated and obtained from biological or tissue samples for subsequent analysis, culture, or experimentation.

[0003] Chinese patent CN213239599U discloses a kind of sampling device for flow cytometry detection, including fixed platform, the top of the fixed platform is equipped with motor, the output of the motor is connected with rotating shaft through shaft coupling, the top of the rotating shaft is connected with driving gear, the driving gear is engaged with internal gear, the top of the internal gear is provided with mounting table, the top of the mounting table is provided with rack, a plurality of limiting holes are formed in the top of the rack.But, the device still has the following problems in the process of using:

[0004] The sampling needle of the device is fixedly arranged, and when sampling is completed and needs to be transferred to the observation disc, the sampling needle needs to be manually disassembled, which is relatively inconvenient.

[0005] Therefore, the utility model designs a kind of sampling device with prevent blocking function to solve above-mentioned problem. UTILITY MODEL CONTENT

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a kind of sampling device with prevent blocking function.

[0007] To achieve the above purpose, the utility model is realized by the following technical schemes:

[0008] A kind of sampling device with prevent blocking function, including bottom plate, still including rotating disc, automatic probe transfer mechanism and rotary stirring mechanism, rotating disc is rotatably arranged on the top left side of bottom plate;The top rear side of bottom plate is fixedly installed with vertical plate;

[0009] The front end of vertical plate is provided with automatic probe transfer mechanism for controlling the movement of sampling needle and realizing probe sampling;The automatic probe transfer mechanism includes drive assembly for controlling the left and right movement of sampling needle, moving plate, self-driven lifting assembly for controlling the automatic lifting of sampling needle during movement and lifting plate, drive assembly is installed at the front end of vertical plate, and moving plate is connected with drive assembly;Self-driven lifting assembly is installed on moving plate;Lifting plate is connected with self-driven lifting assembly;Rotary stirring mechanism for controlling the rotation of sampling needle is installed on lifting plate;Sampling needle is installed on rotary stirring mechanism.

[0010] Further, the sampling needle is composed of an upper sampling tube and a lower sampling tube, which are detachably connected.

[0011] Further, the driving assembly comprises mounting blocks, a first guide assembly and a servo motor, two mounting blocks are symmetrically fixedly installed on the left and right sides of the front end of the upper side plate body of the vertical plate, the servo motor is fixedly installed on the right end of the mounting block on the right side, and the servo motor is connected with the first guide assembly, the first guide assembly is connected with the mounting blocks, and the first guide assembly is installed between the two mounting blocks.

[0012] Further, the first guide assembly comprises a first lead screw, guide rails and sliding blocks, the left and right ends of the first lead screw are rotatably connected with the mounting blocks on the left and right sides respectively, two guide rails are fixedly installed on the front end of the vertical plate, the sliding blocks are limitingly and slidably connected to the guide rails, the front ends of the two sliding blocks are fixedly connected with the moving plates, the moving plate on the upper side is threadedly connected with the first lead screw, and the output end of the servo motor is fixedly connected with the right end of the first lead screw.

[0013] Further, the guide rails are symmetrically distributed on the upper and lower sides of the front end of the vertical plate.

[0014] Further, the self-driving lifting assembly comprises a second guide assembly and a self-rotating assembly, the second guide assembly is installed between the two moving plates, a part of the self-rotating assembly is connected with the second guide assembly, and another part of the self-rotating assembly is connected with the vertical plate.

[0015] Further, the second guide assembly comprises a second lead screw and a guide rod, the upper and lower ends of the second lead screw are rotatably connected with the moving plates on the upper and lower sides respectively, the upper and lower ends of the guide rod are fixedly connected with the moving plates on the upper and lower sides respectively, the rear left end of the lifting plate is threadedly connected with the second lead screw, the rear right end of the lifting plate is limitingly and slidably connected with the guide rod, and the second lead screw is connected with the self-rotating assembly.

[0016] Further, the self-rotating assembly comprises a driving rack and a driven gear, the driving rack is fixedly installed on the front end of the vertical plate on the lower side, and the driving rack is located below the lower guide rail, the driven gear is rotatably installed on the bottom of the moving plate on the lower side, the bottom of the second lead screw passes through the moving plate on the lower side and is fixedly connected with the driven gear, and the driven gear is meshingly connected with the driving rack.

[0017] Further, the rotating stirring mechanism comprises a mounting bracket, a rotating driving assembly for controlling the rotation of the driving gear, a rotating movable assembly and a fixed ring, the mounting bracket is fixedly installed on the top middle part of the lifting plate, the rotating driving assembly is fixedly installed on the top of the mounting bracket, the rotating movable assembly is installed on the top front side of the lifting plate, the rotating driving assembly is connected with the rotating movable assembly, the fixed ring is installed on the rotating movable assembly, and the sampling needle is fixedly installed in the fixed ring.

[0018] Further, the rotating movable assembly comprises a driving gear and a driven gear ring, the driving gear is rotatably installed at the top middle part of the lifting plate, the driven gear ring is rotatably installed at the top front side of the lifting plate, and the driving gear is in meshing connection with the driven gear ring; the inner side surface of the driven gear ring is fixedly installed with a fixed ring.

[0019] Compared with the prior art, the utility model has the beneficial effects that:

[0020] The automatic probe transfer mechanism enables the device to automatically transfer the sampling needle between the sampling station and the transfer station, avoids the additional station quantity of manually transferring the sampling solution, and through the self-driving lifting assembly, the automatic probe and the needle extraction operation are realized during the movement of the sampling needle, the practicability of the device is improved; the rotary material stirring mechanism fully stirs the sampling solution, improves the sampling accuracy, reduces the probability of blockage during sampling, and further improves the practicability of the device. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creating creative labor.

[0022] Figure 1 It is a perspective view of the sampling device with the anti-blocking function of the utility model Figure 1 ;

[0023] Figure 2 It is a front view of the sampling device with the anti-blocking function of the utility model

[0024] Figure 3 It is a left view of the sampling device with the anti-blocking function of the utility model

[0025] Figure 4 It is a perspective view of the sampling device with the anti-blocking function of the utility model Figure 2 ;

[0026] Figure 5 It is an enlarged view of A in the utility model Figure 4

[0027] It is an enlarged view of B in the utility model Figure 6 Figure 1 The reference numerals in the drawings respectively represent:

[0028] The reference numerals in the drawings respectively represent:

[0029] ​1, bottom plate; 2, rotating disc; 3, vertical plate; 4, automatic probe transfer mechanism; 41, drive assembly; 411, mounting block; 412, first screw rod; 413, guide rail; 414, sliding block; 415, servo motor; 42, moving plate; 43, self-driven lifting assembly; 431, second screw rod; 432, guide rod; 433, drive rack; 434, driven gear; 44, lifting plate; 5, rotating stirring mechanism; 51, mounting frame; 52, micro motor; 53, drive gear; 54, driven gear ring; 55, fixed ring; 6, sampling needle. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0031] In the following description, "left", "right", "front", "rear", "upper", "lower" are oriented in the perspective of the front view.

[0032] Embodiment one: in some embodiments, referring to the drawings of the specification Figures 1-6 A sampling device with anti-blocking function, comprising a bottom plate 1, a rotating disc 2, an automatic probe transfer mechanism 4 and a rotating stirring mechanism 5, the rotating disc 2 is rotatably arranged on the top left side of the bottom plate 1; the vertical plate 3 is fixedly installed on the top rear side of the bottom plate 1; a plurality of sampling discs are placed in the rotating disc 2; the left side of the bottom plate 1 is set as a sampling station; the right side of the bottom plate 1 is set as a transfer station. The front end of the vertical plate 3 is provided with the automatic probe transfer mechanism 4 for controlling the sampling needle 6 to switch between the sampling station and the transfer station and realizing probe sampling.

[0033] Specifically, the automatic probe transfer mechanism 4 comprises a drive assembly 41 for controlling the left and right movement of the sampling needle 6, a moving plate 42, a self-driven lifting assembly 43 for automatically lifting the sampling needle 6 during movement, and a lifting plate 44, the drive assembly 41 is installed at the front end of the vertical plate 3, the moving plate 42 is connected with the drive assembly 41; the self-driven lifting assembly 43 is installed on the moving plate 42; the lifting plate 44 is connected with the self-driven lifting assembly 43; the lifting plate 44 is installed with the rotating stirring mechanism 5 for controlling the rotation of the sampling needle 6; the sampling needle 6 is installed on the rotating stirring mechanism 5.

[0034] The sampling needle 6 is composed of an upper sampling tube and a lower sampling tube, and the upper sampling tube and the lower sampling tube are detachably connected. The rotating disc 2 can be driven to rotate by a motor; and the sampling needle 6 can be removed from the rotating stirring mechanism 5 for replacement.

[0035] In the utility model, driving assembly 41 work drives moving plate 42 from shift position to left sampling position, and moving plate 42 moves, and driving lifting assembly 43 work drives lifting plate 44 from top to bottom gradually drops, when moving plate 42 completely moves to sampling position, the bottom of sampling needle 6 on lifting plate 44 will be immersed in sampling disc in rotating disc 2 sampling position at this time; subsequently rotating stirring mechanism 5 work drives sampling needle 6 to rotate, at this time, sampling needle 6 will drive the solution to be detected in sampling disc to rotate together, avoid part of the substance in sampling disc to sink in the bottom of sampling disc and reduce sampling accuracy, and also make the solution to be detected mixing more uniform, avoid the jamming of sampling needle 6 sampling; subsequently sampling needle 6 work carries out sampling operation. Through driving assembly 41, the device can realize the automatic transfer of sampling needle 6 between sampling position and shift position, avoids the additional position quantity of manually sampling solution transfer, and through driving lifting assembly 43, the automatic probe and needle extraction operation of sampling needle 6 in the moving process are realized, and the practicability of the device is improved.

[0036] When sampling is completed, driving assembly 41 work drives moving plate 42 to right reset to shift position, and driving lifting assembly 43 work makes lifting plate 44 upward reset in the moving process, at this time, sampling needle 6 is separated from sampling disc in sampling position, and gradually resets upward; when sampling needle 6 returns to shift position, the sampled solution can be discharged into observation disc, and the automatic transfer of sampling solution is realized; if sampling needle 6 is jammed, the upper sampling tube and the lower sampling tube are separated, and then the jamming is cleaned. Through rotating stirring mechanism 5, the sampling solution is fully stirred, the sampling accuracy is improved, the probability of jamming during sampling is reduced, and the practicability of the device is further improved.

[0037] In some embodiments, as Figures 1-5As shown, as a preferred embodiment of the utility model, drive assembly 41 includes mounting block 411, first screw rod 412, guide rail 413, sliding block 414 and servo motor 415, two mounting block 411 symmetry fixed mounting on the left and right sides of the front end of the upper side plate body of vertical plate 3;The left and right ends of first screw rod 412 are rotatably connected with the mounting block 411 on the left and right sides respectively;Two guide rails 413 are symmetrically fixedly installed on the upper and lower sides of the front end of vertical plate 3;Two guide rails 413 are all limit slidingly connected with sliding block 414;Servo motor 415 is fixedly installed at the right end of the right mounting block 411, and the output end of servo motor 415 is fixedly connected with the right end of first screw rod 412;The front end of two sliding blocks 414 is fixedly connected with moving plate 42;The upper moving plate 42 is threadedly connected with first screw rod 412.

[0038] Self-driving lifting assembly 43 includes second screw rod 431, guide rod 432, drive rack 433 and driven gear 434, the upper and lower ends of second screw rod 431 are rotatably connected with the upper and lower moving plates 42 respectively;The upper and lower ends of guide rod 432 are fixedly connected with the upper and lower moving plates 42 respectively;Drive rack 433 is fixedly installed on the front end of the lower side of vertical plate 3, and drive rack 433 is located below the lower guide rail 413;Driven gear 434 is rotatably installed at the bottom of the lower moving plate 42, and the bottom of second screw rod 431 is fixedly connected with driven gear 434 after passing through the lower moving plate 42;Driven gear 434 is meshingly connected with drive rack 433;The rear left end of lifting plate 44 is threadedly connected with second screw rod 431;The rear right end of lifting plate 44 is limit slidingly connected with guide rod 432.

[0039] In the utility model, servo motor 415 drives first screw rod 412 to rotate, first screw rod 412 rotates to realize that sliding block 414 moves to the left along guide rail 413, at this time, moving plate 42 moves to the left along with sliding block 414, and in the moving process of moving plate 42, drive rack 433 drives driven gear 434 to rotate, driven gear 434 drives second screw rod 431 to rotate, so that lifting plate 44 gradually descends along guide rod 432;When moving plate 42 moves to sampling station, the bottom of sampling needle 6 will be immersed in sampling disc in the rotating disc 2 at this time, then rotary stirring mechanism 5 works to drive sampling needle 6 to rotate, and sampling needle 6 works to carry out sampling operation;After sampling, servo motor 415 drives moving plate 42 to move right to reset to transfer station, in the moving process, drive rack 433 drives driven gear 434 to rotate again, so that lifting plate 44 drives sampling needle 6 to move away from sampling disc and gradually resets upwards.

[0040] In some embodiments, as shown in FIG. 1, the utility model discloses a sampling device for sampling needle, which comprises a rotating disc 2, a rotary stirring mechanism 5, a sampling needle 6 and a lifting plate 44. Figure 6As shown, as a preferred embodiment of the utility model, the rotating stirring mechanism 5 includes mounting bracket 51, rotating drive assembly for controlling the rotation of the drive gear 53, drive gear 53, driven gear 54 and fixed ring 55, mounting bracket 51 is fixedly installed in the top middle part of the lifting plate 44;Rotating drive assembly is fixedly installed on the top of the mounting bracket 51, and the drive gear 53 is rotatably installed in the top middle part of the lifting plate 44, the driven gear 54 is rotatably installed in the top front side of the lifting plate 44, and the drive gear 53 is meshed with the driven gear 54;And the rotating drive assembly is connected with the drive gear 53;The inner side of the driven gear 54 is fixedly installed with the fixed ring 55;The sampling needle 6 is fixedly installed in the fixed ring 55, and the bottom of the sampling needle 6 penetrates the fixed ring 55 and the lifting plate 44.

[0041] Wherein, rotating drive assembly adopts micro motor 52, micro motor 52 is fixedly installed on the top of the mounting bracket 51, and the output end of micro motor 52 rotates and penetrates the top of the mounting bracket 51 and is fixedly connected with the drive gear 53.

[0042] In the utility model, when the bottom of the sampling needle 6 is immersed in the sampling disc on the rotating disc 2 sampling station, the micro motor 52 works to drive the drive gear 53 to rotate, the drive gear 53 drives the driven gear 54 to rotate, the mounting bracket 51 drives the fixed ring 55 to rotate together, so that the sampling needle 6 rotates with the driven gear 54, so that the sampling needle 6 rotates and stirs in the solution to be detected in the sampling disc, so that the solution to be detected is mixed more uniformly.

[0043] The above embodiments are only used to illustrate the technical scheme of the utility model, rather than limit it;Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features;And these modifications or replacements, will not make the essence of the corresponding technical scheme deviate from the spirit and scope of the technical scheme of each embodiment of the utility model.

Claims

1. A sampling device with anti-clogging function, comprising a base plate (1), characterized in that: It also includes a rotating disk (2), an automatic probe transfer mechanism (4) and a rotating stirring mechanism (5). The rotating disk (2) is rotatably installed on the top left side of the base plate (1); and a vertical plate (3) is fixedly installed on the top rear side of the base plate (1). An automatic probe transfer mechanism (4) for controlling the movement of the sampling needle (6) and realizing probe sampling is provided at the front end of the upright plate (3); the automatic probe transfer mechanism (4) includes a drive component (41) for controlling the left and right movement of the sampling needle (6), a moving plate (42), a self-driven lifting component (43) for controlling the automatic lifting of the sampling needle (6) during movement, and a lifting plate (44). The drive component (41) is installed at the front end of the upright plate (3), and the moving plate (42) is connected to the drive component (41); the self-driven lifting component (43) is installed on the moving plate (42); the lifting plate (44) is connected to the self-driven lifting component (43); a rotary stirring mechanism (5) for controlling the rotation of the sampling needle (6) is installed on the lifting plate (44); the sampling needle (6) is installed on the rotary stirring mechanism (5).

2. The sampling device with anti-clogging function according to claim 1, characterized in that, The sampling needle (6) consists of an upper sampling tube and a lower sampling tube, which are detachably connected.

3. The sampling device with anti-clogging function according to claim 1, characterized in that, The drive assembly (41) includes a mounting block (411), a first guide assembly, and a servo motor (415). The two mounting blocks (411) are symmetrically fixedly installed on the left and right sides of the front end of the upper side plate of the upright plate (3). The servo motor (415) is fixedly installed on the right end of the right mounting block (411) and is connected to the first guide assembly. The first guide assembly is installed between the two mounting blocks (411).

4. The sampling device with anti-clogging function according to claim 3, characterized in that, The first guide assembly includes a first lead screw (412), a guide rail (413), and a sliding block (414). The left and right ends of the first lead screw (412) are rotatably connected to the mounting blocks (411) on the left and right sides, respectively. Two guide rails (413) are fixedly installed at the front end of the upright plate (3). Sliding blocks (414) are slidably connected to both guide rails (413). The front ends of both sliding blocks (414) are fixedly connected to a moving plate (42). The upper moving plate (42) is threadedly connected to the first lead screw (412). The output end of the servo motor (415) is fixedly connected to the right end of the first lead screw (412).

5. The sampling device with anti-clogging function according to claim 4, characterized in that, Two guide rails (413) are symmetrically distributed on the upper and lower sides of the front end of the vertical plate (3).

6. The sampling device with anti-clogging function according to claim 1, characterized in that, The self-driven lifting assembly (43) includes a second guide assembly and a self-rotating assembly. The second guide assembly is installed between two movable plates (42). A part of the self-rotating assembly is connected to the second guide assembly, and the other part of the self-rotating assembly is connected to the upright plate (3).

7. The sampling device with anti-clogging function according to claim 6, characterized in that, The second guide assembly includes a second lead screw (431) and a guide rod (432). The upper and lower ends of the second lead screw (431) are rotatably connected to the upper and lower movable plates (42) on the upper and lower sides, respectively. The upper and lower ends of the guide rod (432) are fixedly connected to the upper and lower movable plates (42) on the upper and lower sides, respectively. The rear left end of the lifting plate (44) is threadedly connected to the second lead screw (431). The rear right end of the lifting plate (44) is limited and slidably connected to the guide rod (432). The second lead screw (431) is connected to the self-rotating assembly.

8. The sampling device with anti-clogging function according to claim 7, characterized in that, The self-rotating assembly includes a drive rack (433) and a driven gear (434). The drive rack (433) is fixedly installed on the lower front end of the vertical plate (3) and is located below the lower guide rail (413). The driven gear (434) is rotatably installed on the bottom of the lower movable plate (42), and the bottom thread of the second lead screw (431) passes through the lower movable plate (42) and is fixedly connected to the driven gear (434). The driven gear (434) meshes with the drive rack (433).

9. The sampling device with anti-clogging function according to claim 1, characterized in that, The rotary mixing mechanism (5) includes a mounting frame (51), a rotary drive assembly for controlling the rotation of the drive gear (53), a rotary movable assembly, and a fixed ring (55). The mounting frame (51) is fixedly installed at the top center of the lifting plate (44); the rotary drive assembly is fixedly installed at the top of the mounting frame (51); the rotary movable assembly is installed on the top front side of the lifting plate (44), and the rotary drive assembly is connected to the rotary movable assembly; a fixed ring (55) is installed on the rotary movable assembly; and a sampling needle (6) is fixedly installed inside the fixed ring (55).

10. The sampling device with anti-clogging function according to claim 9, characterized in that, The rotating movable component includes a drive gear (53) and a driven gear ring (54). The drive gear (53) is rotatably mounted on the top center of the lifting plate (44), and the driven gear ring (54) is rotatably mounted on the top front side of the lifting plate (44). The drive gear (53) and the driven gear ring (54) are meshed and connected. A retaining ring (55) is fixedly mounted on the inner side of the driven gear ring (54).

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