CN217006895U

CN217006895U - Be used for manual centre gripping of flow cytometer to go up appearance pipe elevation structure

Info

Publication number: CN217006895U
Application number: CN202220509473.4U
Authority: CN
Inventors: 范彬
Original assignee: Ruibo Biology Wuxi Co ltd
Current assignee: Ruibo Biology Wuxi Co ltd
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2022-07-19
Anticipated expiration: 2032-03-10

Abstract

The utility model discloses a lifting structure for manually clamping a sample loading tube of a flow cytometer, which comprises a lifting fixed seat (7); an upper linear guide post and a lower linear guide post (5) are arranged on the lifting fixed seat (7); the upper linear guide post and the lower linear guide post (5) are provided with linear bearings (8); the linear bearing (8) is arranged in the movable fixed seat (4); the movable fixing seat (4) comprises a movable shell for mounting the linear bearing (8) and a sample loading tube fixing block connected with the side wall of the movable shell; a pressing type rebounding collision bead body (9) is arranged above the lifting fixing seat (7), and a pressing type rebounding collision head (10) matched with the pressing type rebounding collision bead body (9) is arranged on the upper surface of the movable shell. The automatic sample loading device is simple in structure, high in practicability, low in manufacturing cost and high in safety, and meets the requirement of rapid manual sample loading.

Description

Be used for manual centre gripping of flow cytometer to go up appearance pipe elevation structure

Technical Field

The utility model relates to a lifting structure for manually clamping a sample loading tube of a flow cytometer, belonging to the technical field of medical equipment.

Background

The samples mainly detected by the flow cytometry are single cell suspensions, including blood, suspension cell culture solution, various body fluids, single cell suspensions of fresh solid tumors, single cell suspensions of paraffin-embedded tissues and the like. During detection, various liquid and suspension cell samples are required to be fresh, and sample preparation and detection can be completed as soon as possible. In the field of flow cytometry, high requirements are placed on rapid sample loading and switching of different samples. The existing flow cytometer is provided with an automatic sample loading mechanism and a manual sample loading mechanism, wherein the automatic sample loading mechanism is suitable for large-batch detection, and the manual sample loading mechanism is suitable for small-batch quick detection. The existing manual sample loading structure is single, one tube rack structure can only be matched with one sample tube, and one structure form is that the needle is not protected by lifting up and down, so that the needle is easy to bump and bend; the other type of non-lifting bottom-fixed type has no protection on misoperation of hands, and if fingers of a sample loading tube are not placed and enter the lifting part of the sample loading needle, the fingers are easy to prick hands, so that the use requirement of manual sample loading of the flow cytometer can not be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art, and provides a lifting structure for manually clamping a sample loading tube of a flow cytometer.

Furthermore, the utility model provides a lifting structure which can be matched with sample tubes of various specifications and has strong universality and is used for manually clamping the sample loading tube of the flow cytometer.

Furthermore, the utility model provides a lifting structure for manually clamping the sample loading tube of the flow cytometer, which has a protective effect on the needle and is not easy to knock the needle into a bent state.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

a lifting structure for manually clamping a sample loading tube of a flow cytometer comprises a lifting fixed seat;

an upper linear guide pillar and a lower linear guide pillar are arranged on the lifting fixed seat;

linear bearings are arranged on the upper linear guide post and the lower linear guide post;

the linear bearing is arranged in the movable fixed seat;

the movable fixing seat comprises a movable shell for mounting the linear bearing and a sample loading pipe fixing block connected with the side wall of the movable shell;

the upper surface of the movable shell is provided with a pressing type rebounding collision head matched with the pressing type rebounding collision bead body.

The upper linear guide post and the lower linear guide post are fixed by a fixing jackscrew.

Go up the appearance pipe fixed block include with the connecting block that the removal shell links to each other, the bottom of connecting block is installed through set screw and base spring and is used for supporting the lower movable base of sample pipe.

The top of the connecting block is connected with two sample loading pipe clamping buckles for clamping the sample pipe through two hinge pins; and a buckle spring is connected between the middle parts of the sample loading pipe buckles.

The sample tube comprises a loading tube or a centrifuge sample tube.

The lifting fixed seat comprises a top plate, a bottom plate and a side plate connected with the top plate and the bottom plate, and the upper linear guide post and the lower linear guide post are installed between the top plate and the bottom plate.

The upper surface of the top plate is provided with a vertical plate, the outer side surface of the vertical plate is provided with the pressing type rebounding collision bead body, and the pressing type rebounding collision bead body protrudes out of the top plate.

The number of the upper linear guide post and the lower linear guide post is two.

And a sample loading needle lifting module is arranged above the sample tube, and a sample loading needle is arranged on the sample loading needle lifting module.

The model of the pressing type rebound ball catch body is Lamp MC-28, and the model of the pressing type rebound ball catch body is LAMPMC-28-1.

The lifting structure for manually clamping the sample loading tube of the flow cytometer, provided by the utility model, has a novel structure and a unique design, and the sample loading tube fastener can clamp sample loading tubes or centrifugal sample tubes and other sample tubes with different specifications.

When the sample is sucked, the lower movable base is pressed downwards under the stress when the sample feeding needle reaches the bottommost part of the sample feeding tube, the sample feeding needle is buffered by the elasticity of the base spring, and the sample feeding needle is not easy to bend and deform.

When the movable fixing seat provided with the sample loading tube or the centrifugal sample tube is slightly pushed upwards by the handle, the pressing type rebounding collision head is clamped into the pressing type rebounding collision bead body and then locked. The reuse hand is light to go up one and press and remove the fixing base, and push type bounce-back is met the head and can be popped out from push type bounce-back hits the pearl body, and whole operation process is simple and convenient, satisfies the demand of quick artifical manual appearance of going up, and simultaneously, this structure has the guard action to the staff maloperation, is difficult to prick the hand, satisfies the operation requirement of the manual appearance of going up of flow cytometer.

In conclusion, the automatic sample loading device is simple in structure, high in practicability, low in manufacturing cost and high in safety, and meets the requirement for rapid manual sample loading.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a sectional view of the movable holder of the present invention;

wherein, 1, a sample loading needle lifting module; 2. a sample loading needle; 3. a sample loading pipe; 4. moving the fixed seat; 5. an upper linear guide post and a lower linear guide post; 6. fixing the jackscrew; 7. a lifting fixed seat; 8. a linear bearing; 9. a pressing type rebound ball catch body; 10. a pressing type rebounding collision head; 11. centrifuging the sample tube; 12. a lower movable base; 13. a base spring; 14. fixing screws; 15. a sample loading pipe is buckled; 16. a hinge pin; 17. a snap spring.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Example 1

As shown in fig. 1, in a lifting structure for manually clamping a sample loading tube of a flow cytometer, two linear bearings 8 are mounted on two upper and lower linear guide pillars 5, and the two linear bearings 8 are mounted in a movable fixed seat 4; the two upper and lower linear guide posts 5 are arranged on a lifting fixed seat 7, and the upper and lower parts of the upper and lower linear guide posts 5 are respectively fixed by two fixed jackscrews 6; the pressing type rebound ball catch body 9 is arranged on the upper side of the lifting fixed seat 7, and the pressing type rebound ball catch head 10 is arranged on the movable fixed seat 4. A sample loading needle lifting module 1 is arranged above the sample tube, and a sample loading needle 2 is arranged on the sample loading needle lifting module 1.

Specifically, the movable fixing seat 4 comprises a movable shell for mounting the linear bearing 8 and a sample loading tube fixing block connected with the side wall of the movable shell;

as shown in fig. 3, the upper sample tube fixing block includes a connecting block connected to the movable housing, and a lower movable base 12 for supporting the sample tube is installed at the bottom of the connecting block through a fixing screw 14 and a base spring 13.

When the sample is sucked, the sample feeding needle 2 reaches the bottommost part of the sample feeding tube 3, the lower movable base 12 is pressed downwards under the stress, the sample feeding needle 2 is buffered through the elasticity of the base spring 13, and the sample feeding needle 2 is not easy to bend and deform.

The top of the connecting block is connected with two sample tube clamping buckles 15 for clamping the sample tube through two hinge pins 16; a buckle spring 17 is connected between the middle parts of the two sample loading pipe buckles 15.

In this embodiment, when the movable holder 4 with the sample tube 3 is pushed up slightly, the pressing type rebounding collision head 10 is locked in the pressing type rebounding collision bead body 9. The reuse hand is light to go up one and press and remove fixing base 4, and push type bounce-back bump head 10 can pop out from push type bounce-back ball body 9, and whole operation process is simple and convenient, satisfies the demand of quick artifical manual appearance of going up, and simultaneously, this structure has the guard action to the staff maloperation, is difficult to prick the hand, satisfies the operation requirement of the manual appearance of going up of flow cytometer.

The model of the pressing type rebound collision bead body 9 is Lamp MC-28, and the model of the pressing type rebound collision head 10 is LAMPMC-28-1.

The working principle of the embodiment is as follows:

the movable fixed seat 4 moves to the lowest part through the lifting composed of two groups of upper and lower linear guide posts 5 and linear bearings 8; the sample loading tube 3 is clamped in at the opening of the two sample loading tube buckles 15 through the elasticity of the buckle spring 17. The movable fixing seat 4 provided with the sample loading tube 3 is slightly pushed upwards by a hand, the push type rebound collision head 10 is blocked in the push type rebound collision bead body 9 and stops the thrust, and the movable fixing seat 4 reaches a fixed position.

When absorbing the sample, sample loading needle lift module 1 with sample loading needle 2 descend together and arrive the bottommost in sample loading pipe 3, lower movable base 12 atress down pushes down, make sample loading needle 2 have a buffering through the elasticity of base spring 13, simultaneously sample loading needle lift module 1 on have a floating machanism, can not let sample loading needle 2 bending deformation to the end because of a son.

When the sample is switched after the sample is sucked, the user slightly presses the movable fixing seat 4 upwards by hand, the pressing type rebounding collision head 10 can pop out of the pressing type rebounding collision bead body 9, and then the user pushes the movable fixing seat 4 to the lowest position by hand to take out the sample, and then a new sample is put in again.

Example 2

As shown in fig. 2, the present embodiment is different from embodiment 1 only in that: the two sample loading pipe buckles 15 can clamp sample loading pipes 3 or centrifugal sample pipes 11 and other sample pipes with different specifications.

In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the utility model may be practiced without these specific details.

Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the utility model, various features of the utility model are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed apparatus should not be construed to reflect the intent: rather, the utility model as claimed requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.

While the utility model has been described with respect to a limited number of embodiments, those skilled in the art, having benefit of this description, will appreciate that other embodiments can be devised which do not depart from the scope of the utility model as described herein. Furthermore, it should be noted that the language used in the specification has been principally selected for readability and instructional purposes, and may not have been selected to delineate or circumscribe the inventive subject matter. Accordingly, many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the appended claims. The present invention has been disclosed with respect to the scope of the utility model, which is to be considered as illustrative and not restrictive, and the scope of the utility model is defined by the appended claims.

The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the utility model and these are intended to be within the scope of the utility model.

Claims

1. The utility model provides a be used for manual centre gripping of flow cytometer to go up appearance pipe elevation structure which characterized in that: comprises a lifting fixed seat (7);

an upper linear guide post and a lower linear guide post (5) are arranged on the lifting fixed seat (7);

the upper linear guide post and the lower linear guide post (5) are provided with linear bearings (8);

the linear bearing (8) is arranged in the movable fixed seat (4);

the movable fixing seat (4) comprises a movable shell for mounting the linear bearing (8) and a sample loading tube fixing block connected with the side wall of the movable shell;

a pressing type rebounding collision bead body (9) is arranged above the lifting fixing seat (7), and a pressing type rebounding collision head (10) matched with the pressing type rebounding collision bead body (9) is arranged on the upper surface of the movable shell.

2. The manual clamping sample loading tube lifting structure for the flow cytometer as described in claim 1, wherein: the upper and lower linear guide posts (5) are fixed by a fixed jackscrew (6).

3. The manual clamping sample loading tube lifting structure for the flow cytometer as described in claim 1, wherein: go up the appearance pipe fixed block include with remove the connecting block that the shell links to each other, the bottom of connecting block is installed through set screw (14) and base spring (13) and is used for supporting lower movable base (12) of sample pipe.

4. The manual clamping sample loading tube lifting structure for the flow cytometer as described in claim 3, wherein: the top of the connecting block is connected with two sample loading pipe buckles (15) used for clamping the sample pipe through two hinge pins (16); and a buckle spring (17) is connected between the middle parts of the two sample loading pipe buckles (15).

5. The manual clamping sample loading tube lifting structure for the flow cytometer as described in claim 3 or 4, wherein: the sample tube comprises a loading tube (3) or a centrifugal sample tube (11).

6. The manual clamping sample loading tube lifting structure for the flow cytometer as described in claim 1, wherein: the lifting fixed seat (7) comprises a top plate, a bottom plate and a side plate connected with the top plate and the bottom plate, and the upper linear guide post and the lower linear guide post (5) are installed between the top plate and the bottom plate.

7. The manual clamping sample loading tube lifting structure for the flow cytometer as described in claim 6, wherein: the upper surface of the top plate is provided with a vertical plate, the outer side surface of the vertical plate is provided with the pressing type rebounding ball catch bodies (9), and the pressing type rebounding ball catch bodies (9) protrude out of the top plate.

8. The manual clamping sampling tube lifting structure for the flow cytometer as claimed in claim 1 or 6, wherein: the number of the upper linear guide posts and the lower linear guide posts (5) is two.

9. The manual clamping sample loading tube lifting structure for the flow cytometer as described in claim 3, wherein: a sample loading needle lifting module (1) is arranged above the sample tube, and a sample loading needle (2) is arranged on the sample loading needle lifting module (1).

10. The manual clamping sample loading tube lifting structure for the flow cytometer as described in claim 1, wherein: the model of the pressing type rebound ball catch body (9) is LampmC-28, and the model of the pressing type rebound ball catch head (10) is LampmC-28-1.