CN220940804U

CN220940804U - Extraction element is used in umbilical cord stem cell research

Info

Publication number: CN220940804U
Application number: CN202322274970.8U
Authority: CN
Inventors: 曾晓清
Original assignee: Guangxi Perfect Medical Technology Co ltd
Current assignee: Guangxi Perfect Medical Technology Co ltd
Priority date: 2023-08-23
Filing date: 2023-08-23
Publication date: 2024-05-14
Anticipated expiration: 2033-08-23

Abstract

The utility model relates to the technical field of stem cell extraction devices, in particular to an extraction device for umbilical cord stem cell research, which comprises a liquid shifter operation handle, wherein the left side of the liquid shifter operation handle is connected with a push-out ring pipe, the inner slide of the push-out ring pipe is connected with a nozzle, the bottom end of the back surface of the liquid shifter operation handle is provided with a supporting structure, the supporting structure comprises a storage groove, the bottom end of the back surface of the liquid shifter operation handle is provided with a storage groove, the left side surface of the inner wall of the storage groove is rotationally connected with a supporting plate through a second rotating shaft, the right side surface of the supporting plate is rotationally connected with a telescopic rod through a first rotating shaft, and the other end of the telescopic rod is rotationally connected with the right end of the front side surface of the inner wall of the storage groove through a third rotating shaft; can realize the quick place anytime and anywhere of pipettor, conveniently take when follow-up experiment needs.

Description

Extraction element is used in umbilical cord stem cell research

Technical Field

The utility model relates to an extraction device, in particular to an extraction device for researching umbilical cord stem cells, and belongs to the technical field of stem cell extraction devices.

Background

At present, umbilical cord stem cells are studied, and the liquid to be tested is transferred into a culture dish or a test tube through a liquid transfer device. At present, a liquid dispenser is often provided with a storage bracket, the liquid dispenser is hung on the storage bracket when not in use, the liquid dispenser nozzle is prevented from being polluted, in the practical experiment process, the liquid dispenser is often required to be used for multiple times to transfer experimental liquid, and some laboratories are not provided with the liquid dispenser storage bracket, so that the liquid dispenser can only be placed on a workbench in a lying manner after the liquid dispenser is used each time, the liquid dispenser nozzle is made to be close to the workbench, and when experiment operation and equipment are taken, the liquid dispenser nozzle is very likely to be contacted with a table top, so that pollution is caused to the liquid dispenser nozzle, and interference is caused to subsequent experiments.

Disclosure of utility model

The utility model aims to solve the problems and provide the extraction device for the umbilical cord stem cell research, which can take out the experimental liquid from the storage groove through the support plate and the telescopic rod arranged on the back of the liquid transfer device, and then straighten and support the telescopic rod, so that the liquid transfer device can be quickly placed anytime and anywhere, and the follow-up experiment can be conveniently taken out when needed.

The utility model realizes the aim through the following technical scheme, and the extracting device for the umbilical cord stem cell research comprises a liquid shifter operation handle, wherein the left side of the liquid shifter operation handle is connected with a push-out ring pipe, and a nozzle is connected in the push-out ring pipe in a sliding manner, and the extracting device is characterized in that: support structure is installed to pipettor handle back bottom, support structure is including accomodating the groove the storage groove has been seted up to pipettor handle back bottom the inner wall left surface of storage groove rotates through the second pivot and is connected with the backup pad the right flank of backup pad rotates through first pivot and is connected with the telescopic link other end rotates through the third pivot and is connected in storage groove inner wall leading flank right-hand member.

Preferably, the height of the telescopic rod is equal to the height of the support plate, and the length of the telescopic rod when fully contracted is equal to half the width of the support plate.

Preferably, the four sides of the storage groove are longer than the four sides of the support plate, and the depth of the storage groove is equal to the height of the support plate.

Preferably, the right end of the bottom surface of the accommodating groove is fixedly connected with a plurality of first springs, and the first springs are in linear arrangement.

Preferably, the sliding tray has been seted up to the inside right flank central point of accomodating the groove, the inside sliding connection of sliding tray has the slider, slider right side fixedly connected with ejector pad, the other end central point of slider puts fixedly connected with fixture block, the draw-in groove has been seted up to the top central point of backup pad, just the draw-in groove can be completely with the inseparable block of fixture block.

Preferably, the limiting grooves are formed in the center positions of the top end and the bottom end inside the sliding groove, limiting blocks are fixedly connected to the center positions of the top end and the bottom end of the sliding block, and the limiting blocks are slidably connected to the limiting grooves.

Preferably, the top surface of the right end of the sliding groove is communicated with the outside, the bottom end of the sliding groove is fixedly connected with a second spring, and the other end of the second spring is fixedly connected with a pushing block.

Preferably, a rubber pad is glued on the top surface of the other end of the operating handle of the liquid dispenser, which is far away from the supporting structure, and a second friction pad is glued on the top surface of the pushing block.

Preferably, the tail end of the push-out ring pipe is provided with a clamping structure, the clamping structure comprises a fixed block, the tail end of the push-out ring pipe is fixedly connected with the fixed block, the top end of the fixed block is fixedly connected with a spring plate, and the bottom surface of the other end of the spring plate is fixedly connected with a clamping block.

Preferably, the two sides of the clamping block are fixedly connected with guide blocks, the other ends of the guide blocks are fixedly connected with the spring plates, the other ends of the clamping blocks are glued with first friction pads, the first friction pads are in contact with the nozzles, and the outer parts of the guide blocks are in arc-shaped structures.

The beneficial effects of the utility model are as follows: through the backup pad and the telescopic link of pipettor back installation, can be after getting experimental liquid, only need take out the backup pad from accomodating the inslot, again with the telescopic link support of straightening, thereby can lift the pipettor nozzle, avoid carrying out experimental operation and when taking the equipment, very probably can touch the pipettor and make the condition of nozzle and mesa contact, thereby avoid the pollution to the pipettor nozzle, the accuracy of follow-up experiment has been guaranteed, when accomodating when needs, will support the inside rotation of accomodating the inslot, the telescopic link shrink simultaneously, when the backup pad is accomodate in accomodating the groove, the telescopic link shrink completely, and accomodate equally in accomodating the groove, can realize accomodating of telescopic link and backup pad, thereby can realize the quick accomodating of pipettor bearing structure, take when convenient follow-up experiment needs, do not influence normal experiment operation.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged schematic view of the portion A shown in FIG. 1;

FIG. 3 is a schematic perspective view of a clamping connection structure according to the present utility model;

FIG. 4 is a schematic view of the back of the overall structure of the present utility model;

FIG. 5 is a schematic perspective cross-sectional view of the connection structure of the support plate and the telescopic rod of the present utility model;

FIG. 6 is a schematic perspective cross-sectional view of a connecting structure of a push block and a slider of the present utility model;

Fig. 7 is a schematic perspective view of a slider connection structure according to the present utility model.

In the figure: 1. a pipette handle; 2. pushing out the ring pipe; 3. a nozzle; 4. a clamping structure; 401. a fixed block; 402. a spring plate; 403. a guide block; 404. a clamping block; 405. a first friction pad; 5. a support structure; 501. a storage groove; 502. a support plate; 503. a telescopic rod; 504. a rubber pad; 505. a clamping groove; 506. a first rotating shaft; 507. a second rotating shaft; 508. a third rotating shaft; 509. a first spring; 510. a sliding groove; 511. a second spring; 512. a pushing block; 513. a limiting block; 514. a slide block; 515. a limit groove; 516. a clamping block; 517. and a second friction pad.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-7, an extracting device for umbilical stem cell research comprises a pipette operation handle 1, a push-out ring pipe 2 is connected to the left side of the pipette operation handle 1, a nozzle 3 is connected to the inner slide of the push-out ring pipe 2, a supporting structure 5 is installed at the bottom end of the back of the pipette operation handle 1, the supporting structure 5 comprises a storage groove 501, the bottom end of the back of the pipette operation handle 1 is provided with the storage groove 501, the left side surface of the inner wall of the storage groove 501 is rotationally connected with a supporting plate 502 through a second rotating shaft 507, the right side surface of the supporting plate 502 is rotationally connected with a telescopic rod 503 through a first rotating shaft 506, and the other end of the telescopic rod 503 is rotationally connected to the right end of the front side surface of the inner wall of the storage groove 501 through a third rotating shaft 508

As a technical optimization scheme of the utility model, the height of the telescopic rod 503 is equal to the height of the supporting plate 502, the length of the telescopic rod 503 is equal to half of the width of the supporting plate 502 when the telescopic rod 503 is completely contracted, the four sides of the containing groove 501 are longer than the four sides of the supporting plate 502, the depth of the containing groove 501 is equal to the height of the supporting plate 502, the right end of the bottom surface of the containing groove 501 is fixedly connected with a plurality of first springs 509, the plurality of first springs 509 are in linear arrangement, the center position of the right side surface of the inside of the containing groove 501 is provided with a sliding groove 510, the inside of the sliding groove 510 is slidingly connected with a sliding block 514, the right side of the sliding block 514 is fixedly connected with a pushing block 512, the center position of the other end of the sliding block 514 is fixedly connected with a clamping block 516, the center position of the top end of the supporting plate 502 is provided with a clamping groove 505, the clamping groove 505 can be completely tightly clamped with the clamping block 516, the center positions of the top end and the bottom end of the inside of the sliding groove 510 are provided with limiting grooves 515, the top and bottom center positions of the slide block 514 are fixedly connected with a limiting block 513, the limiting block 513 is slidably connected with a limiting groove 515, the top surface of the right end of the sliding groove 510 is communicated with the outside, the bottom end of the sliding groove 510 is fixedly connected with a second spring 511, the other end of the second spring 511 is fixedly connected with a pushing block 512, the top surface of the other end of the operating handle 1, far away from the supporting structure 5, is glued with a rubber pad 504, the top surface of the pushing block 512 is glued with a second friction pad 517, when the supporting plate 502 and the telescopic rod 503 are accommodated by the cooperation of the pushing block 512, the slide block 514 and the clamping block 516 can be clamped with the clamping groove 505 through the clamping block 516, the supporting plate 502 can be fixed inside the accommodating groove 501, the supporting plate 502 is prevented from falling out in the using process, the experiment is disturbed, the supporting plate 502 can be rapidly popped up when needed through the first spring 509 at the bottom of the accommodating groove 501, the convenient to use, through the setting of second spring 511 on ejector pad 512, can utilize elasticity quick rebound slider 514 to realize the effect of quick fixed support plate 502, through the cooperation of spacing groove 515 and stopper 513, can improve slider 514 at the gliding stability of sliding tray 510, promote ejector pad 512, drive the fixture block 516 on the slider 514 no longer with draw-in groove 505 block, backup pad 502 will be under the elasticity effect of first spring 509 at this moment, automatic jacking gets up, can realize the quick support of backup pad 502.

As a technical optimization scheme of the utility model, the tail end of the push-out loop 2 is provided with the clamping structure 4, the clamping structure 4 comprises the fixed block 401, the tail end of the push-out loop 2 is fixedly connected with the fixed block 401, the top end of the fixed block 401 is fixedly connected with the spring plate 402, the bottom surface of the other end of the spring plate 402 is fixedly connected with the clamping block 404, the two sides of the clamping block 404 are fixedly connected with the guide block 403, the other end of the guide block 403 is fixedly connected with the spring plate 402, the other end of the clamping block 404 is glued with the first friction pad 405, the first friction pad 405 is abutted against the nozzle 3, the outer part of the guide block 403 is in an arc structure, the stability of the disposable suction tube clamped on the nozzle 3 can be enhanced when the disposable suction tube is clamped through the cooperation of the spring plate 402 and the clamping block 404, the situation that the clamping unstable drop occurs is prevented, and meanwhile, the guide block 403 is arranged into an arc structure, so that the disposable suction tube can be conveniently pushed out of the loop 2.

When the disposable pipette is used, the disposable pipette operation handle 1 is firstly held in the hand, the disposable pipette is clamped through the nozzle 3, the orifice of the disposable pipette can be guided by the guide block 403 during clamping, the spring plate 402 can be unfolded, meanwhile, the spring plate 402 is clamped by the clamping block 404, the clamping stability of the disposable pipette is improved, the situation that the clamping is unstable and falls is prevented, when the disposable pipette needs to be replaced, the spring plate 402 can be unfolded by pushing the push-out ring pipe 2 and through the guide of the guide block 403 at the other side, so that the disposable pipette can be pushed out, the replacement of the disposable pipette can be realized, after the test liquid is taken out, the support plate 502 is only required to be taken out from the storage groove 501, and then the telescopic rod 503 is straightened and supported, so that the nozzle 3 of the disposable pipette can be lifted up, avoiding the situation that the pipette is contacted with the nozzle 3 and the table surface when the experiment operation is carried out and the equipment is taken, thereby avoiding the pollution to the pipette nozzle 3, ensuring the accuracy of the subsequent experiment, rotating the supporting plate 502 towards the inside of the containing groove 501 when the supporting plate 502 is required to be contained, simultaneously contracting the telescopic rod 503, completely contracting the telescopic rod 503 when the supporting plate 502 is contained in the containing groove 501, and also containing the telescopic rod 503 and the supporting plate 502 in the containing groove 501, thereby realizing the containing of the telescopic rod 503 and the supporting plate 502, realizing the rapid containing of the supporting structure 5 of the pipette, facilitating the taking when the subsequent experiment is required, not influencing the normal experiment operation, pushing the pushing block 512 to the right side when the supporting is required, compressing the second spring 511, simultaneously sliding the sliding block 514 to the right side, and the clamping block 516 is not clamped with the clamping groove 505 any more, and the supporting plate 502 is ejected by the compressed first spring 509, after the supporting plate 502 is rotated to the target position, the support of the liquid transfer device can be realized, when the liquid transfer device is needed to be used, the clamping block 516 is pulled into the sliding groove 510 by pushing the pushing block 512, the supporting plate 502 is rotated into the collecting and containing groove 501, at the moment, the pushing block 512 is loosened again, the pushing block 512 is pushed to the left side by the resilience of the second spring 511, at the moment, the sliding block 514 slides to the left side, and the clamping block 516 is driven to be clamped with the clamping groove 505 on the supporting plate 502, so that the collecting and quick fixing are realized.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides an extraction element for umbilical cord stem cell research, includes pipettor handle (1) the pipettor handle (1) left side is connected with release ring canal (2) the interior sliding connection of release ring canal (2) has nozzle (3), its characterized in that: support structure (5) are installed to pipettor handle (1) back bottom, support structure (5) are including accomodating groove (501) the accomodate groove (501) has been seted up to pipettor handle (1) back bottom the inner wall left surface of accomodating groove (501) is rotated through second pivot (507) and is connected with backup pad (502) the right flank of backup pad (502) is rotated through first pivot (506) and is connected with telescopic link (503) the telescopic link (503) other end is rotated through third pivot (508) and is connected in accomodating groove (501) inner wall leading flank right-hand member.

2. The extraction device for umbilical cord stem cell research of claim 1, wherein: the height of the telescopic rod (503) is equal to the height of the supporting plate (502), and the length of the telescopic rod (503) when the telescopic rod is fully contracted is equal to half of the width of the supporting plate (502).

3. The extraction device for umbilical cord stem cell research of claim 1, wherein: four sides of the storage groove (501) are longer than those of the supporting plate (502), and the depth of the storage groove (501) is equal to the height of the supporting plate (502).

4. The extraction device for umbilical cord stem cell research of claim 1, wherein: the right end of the bottom surface of the storage groove (501) is fixedly connected with a plurality of first springs (509), and the first springs (509) are linearly arranged.

5. The extraction device for umbilical cord stem cell research of claim 1, wherein: the utility model discloses a sliding tray, including holding groove (501) and clamping groove (505), sliding tray (510) has been seted up to inside right flank central point of holding groove (501), inside sliding connection of sliding tray (510) has slider (514), slider (514) right side fixedly connected with ejector pad (512), the other end central point of slider (514) puts fixedly connected with fixture block (516), draw-in groove (505) have been seted up at the top central point of backup pad (502), just draw-in groove (505) can be completely with the inseparable block of fixture block (516).

6. The extraction device for umbilical cord stem cell research of claim 5, wherein: limiting grooves (515) are formed in the center positions of the top end and the bottom end inside the sliding groove (510), limiting blocks (513) are fixedly connected to the center positions of the top end and the bottom end of the sliding block (514), and the limiting blocks (513) are connected to the limiting grooves (515) in a sliding mode.

7. The extraction device for umbilical cord stem cell research of claim 5, wherein: the top surface of the right end of the sliding groove (510) is communicated with the outside, a second spring (511) is fixedly connected to the bottom end of the sliding groove (510), and a pushing block (512) is fixedly connected to the other end of the second spring (511).

8. The extraction device for umbilical cord stem cell research of claim 5, wherein: the top surface of the other end of the operating handle (1) far away from the supporting structure (5) is glued with a rubber pad (504), and the top surface of the pushing block (512) is glued with a second friction pad (517).

9. The extraction device for umbilical cord stem cell research of claim 1, wherein: the tail end of the push-out ring pipe (2) is provided with a clamping structure (4), the clamping structure (4) comprises a fixed block (401), the tail end of the push-out ring pipe (2) is fixedly connected with the fixed block (401), the top end of the fixed block (401) is fixedly connected with a spring plate (402), and the bottom surface of the other end of the spring plate (402) is fixedly connected with a clamping block (404).

10. The extraction device for umbilical cord stem cell research of claim 9, wherein: guide blocks (403) are fixedly connected to two sides of the clamping block (404), the other ends of the guide blocks (403) are fixedly connected to the spring plate (402), first friction pads (405) are glued to the other ends of the clamping block (404), the first friction pads (405) are abutted to the nozzle (3), and the outer portions of the guide blocks (403) are of arc-shaped structures.