CN211563962U

CN211563962U - Cleaning needle movement mechanism for flow cytometry analysis

Info

Publication number: CN211563962U
Application number: CN201922434475.2U
Authority: CN
Inventors: 黄杰; 刘博�; 翁良飞
Original assignee: Suzhou Zhongke Medical Device Industry Development Co ltd
Current assignee: Suzhou Zhongke Medical Device Industry Development Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-09-25
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a wash needle motion for flow cytometry, which comprises a mounting bas, the intermediate position fixed mounting of mount pad upper end has servo motor, servo motor's output passes through shaft coupling fixedly connected with lead screw, the lead screw runs through the roof of mount pad, and the lead screw keeps away from servo motor's one end and the bottom inner wall of mount pad is articulated, a set of auxiliary rod of fixedly connected with between the upper and lower both ends inner wall of mount pad, the fly leaf has been cup jointed in the outside activity of lead screw and auxiliary rod, the front side fixedly connected with connecting seat of fly leaf, the upper end of connecting seat is provided with a set of U-shaped piece, the left and right sides of U-shaped piece all is provided with the knob. Adjust the relative position between two adapter sleeves through rotating the knob, can conveniently press from both sides tight fixed to the cleaning seat, drive the lead screw through control servo motor's work and rotate to can adjust the vertical height of cleaning seat, so that wash the reaction cup.

Description

Cleaning needle movement mechanism for flow cytometry analysis

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a wash needle motion for flow cytometry analysis.

Background

The flow cytometry is a single-cell quantitative analysis and sorting technology which is carried out by utilizing a flow cytometer, the flow cytometer is clinically used for sorting enhancement pushed out by a cell therapy center, and the new functions and the new configuration of the flow cytometer are perfectly integrated with a standard multi-laser multi-fluorescence system and a data processing system, so that the flow cytometer has higher speed and stronger functions and is the most prominent embodiment of the current flow technology;

in the flow cytometry analysis process, a cleaning needle is needed to be used for cleaning the reaction cup, however, the current moving mechanism for cleaning the needle has some limitations, and when the cleaning needle is excessively contacted with the inner wall of the bottom end of the reaction cup, the cleaning needle cannot be effectively protected, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

The main object of the present invention is to provide a motion mechanism for a washing needle for flow cytometry analysis, which can effectively solve the problems in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a cleaning needle movement mechanism for flow cytometry comprises a mounting seat, wherein a servo motor is fixedly mounted in the middle of the upper end of the mounting seat, the output end of the servo motor is fixedly connected with a lead screw through a coupler, the lead screw penetrates through a top plate of the mounting seat, one end of the lead screw, which is far away from the servo motor, is hinged with the inner wall of the bottom end of the mounting seat, a group of auxiliary rods are fixedly connected between the inner walls of the upper end and the lower end of the mounting seat, a movable plate is movably sleeved on the outer sides of the lead screw and the auxiliary rods, a connecting seat is fixedly connected to the front side of the movable plate, a group of U-shaped blocks are arranged at the upper end of the connecting seat, knobs are arranged on the left side and the right side of each U-shaped block, a threaded rod is fixedly connected to one side of each knob, two it is fixed with the washing seat to press from both sides between the adapter sleeve, the bottom fixedly connected with a set of telescopic link of U-shaped piece, buffer spring has been cup jointed in the outside activity of telescopic link, the spacing groove that corresponds the U-shaped piece is seted up to the upper end of connecting seat, the telescopic link and buffer spring keep away from the one end of U-shaped piece all with the bottom inner wall fixed connection of the spacing groove of connecting seat.

Further, the two side plates of the U-shaped block are all penetrated with movable rods, and one ends of the movable rods are fixedly connected with the outer side of the fastening sleeve.

Furthermore, all set up the through-hole that corresponds the washing seat on connecting seat and the U-shaped piece, the washing seat passes the through-hole of connecting seat and U-shaped piece, the bottom inner wall department of mount pad is provided with the reaction cup that corresponds the washing seat.

Furthermore, the auxiliary rods are two and are respectively positioned on the left side and the right side of the screw rod, and the movable plate is provided with a thread groove matched with the screw rod.

Furthermore, the cleaning seat is provided with a liquid injection needle and a liquid suction needle.

Further, the inner sides of the two fastening sleeves are fixedly connected with rubber pads.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. adjust the relative position between two adapter sleeves through rotating the knob, can conveniently press from both sides tight fixed to the cleaning seat, drive the lead screw through control servo motor's work and rotate to can adjust the vertical height of cleaning seat, so that wash the reaction cup.

2. When the cleaning seat is pressed down excessively, the buffer spring is stressed and extended, the buffer effect can be achieved, the liquid injection needle and the liquid suction needle on the cleaning seat are prevented from being damaged due to the fact that the liquid injection needle and the liquid suction needle are in contact with the inner wall of the bottom end of the reaction cup, the set telescopic rod can automatically limit the U-shaped block, the U-shaped block is prevented from being separated from the connecting seat, and the overall stability of the device is enhanced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of a local structure of the touch screen outer frame of the present invention.

Fig. 3 is a schematic view of a local structure of the protection frame of the present invention.

In the figure: 1. a mounting seat; 2. a servo motor; 3. a screw rod; 4. an auxiliary lever; 5. a movable plate; 6. a connecting seat; 7. a U-shaped block; 8. a reaction cup; 9. a knob; 10. fastening sleeves; 11. cleaning a seat; 12. a telescopic rod; 13. a buffer spring; 14. a threaded rod; 15. a movable rod.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, a cleaning needle movement mechanism for flow cytometry comprises an installation seat 1, a servo motor 2 is fixedly installed at the middle position of the upper end of the installation seat 1, the output end of the servo motor 2 is fixedly connected with a lead screw 3 through a coupler, the lead screw 3 penetrates through the top plate of the installation seat 1, one end of the lead screw 3, which is far away from the servo motor 2, is hinged with the inner wall of the bottom end of the installation seat 1, a set of auxiliary rods 4 are fixedly connected between the inner walls of the upper end and the lower end of the installation seat 1, a movable plate 5 is movably sleeved on the outer sides of the lead screw 3 and the auxiliary rods 4, a connection seat 6 is fixedly connected to the front side of the movable plate 5, a set of U-shaped blocks 7 is arranged at the upper end of the connection seat 6, knobs 9 are arranged on the left side and the, threaded rod 14 runs through the curb plate of U-shaped piece 7 and with 7 threaded connection of U-shaped piece, threaded rod 14 keeps away from that the one end of knob 9 articulates there is adapter sleeve 10, two it is fixed with washing seat 11 to press from both sides between adapter sleeve 10, a set of telescopic link 12 of the bottom fixedly connected with of U-shaped piece 7, buffer spring 13 has been cup jointed in the outside activity of telescopic link 12, the spacing groove that corresponds U-shaped piece 7 is seted up to the upper end of connecting seat 6, the one end that U-shaped piece 7 was kept away from to telescopic link 12 and buffer spring 13 all with the bottom inner wall fixed connection of the spacing groove of connecting seat 6.

As shown in fig. 2, a movable rod 15 penetrates through both side plates of the U-shaped block 7, and one end of the movable rod 15 is fixedly connected with the outer side of the fastening sleeve 10.

Through adopting above-mentioned scheme, when driving the lead screw through rotating knob 9 and removing, movable rod 15 can carry on spacingly to adapter sleeve 10, has prevented that adapter sleeve 10 can't press from both sides tight fixedly with washing seat 11 because of the slope.

As shown in fig. 1 and 3, the connecting seat 6 and the U-shaped block 7 are both provided with a through hole corresponding to the cleaning seat 11, the cleaning seat 11 passes through the through holes of the connecting seat 6 and the U-shaped block 7, and the inner wall of the bottom end of the mounting seat 1 is provided with a reaction cup 8 corresponding to the cleaning seat 11.

By adopting the scheme, the reaction cup can be conveniently cleaned through the cleaning seat 11.

As shown in fig. 1, there are two auxiliary rods 4, the two auxiliary rods 4 are respectively located at the left and right sides of the screw rod 3, and the movable plate 5 is provided with a threaded groove matched with the screw rod 3.

Through adopting above-mentioned scheme, the auxiliary rod 4 cooperation lead screw 3 combined action that sets up for fly leaf 5 can reciprocate steadily, thereby conveniently adjusts the vertical position of washing seat 11.

As shown in fig. 2 and 3, the cleaning seat 11 is provided with a liquid injection needle and a liquid suction needle.

By adopting the scheme, the reaction cup 8 can be cleaned through the liquid injection needle and the liquid suction needle.

As shown in fig. 2, a rubber pad is fixedly connected to the inner side of each of the two fastening sleeves 10.

Through adopting above-mentioned scheme to can increase frictional force, make two adapter sleeves 10 can clamp the fixing to wash seat 11 more steadily.

It should be noted that, the utility model relates to a wash needle motion for flow cytometry, in use, earlier wash seat 11 and pass through the through-hole of U-shaped piece 7 and connecting seat 6, and drive threaded rod 14 through rotating knob 9 and remove, thereby make two adapter sleeves 10 press from both sides tight fixed to wash seat 11, then, make its work through control servo motor 2, it rotates to drive lead screw 3 with this, thereby can adjust the vertical height of fly leaf 5, and then can adjust the vertical height of washing seat 11, so that come to wash reaction cup 8 through annotating liquid needle and the imbibition needle on the washing seat, at this moment, auxiliary rod 4 can make fly leaf 5 reciprocate steadily, the stability of washing seat 11 in the removal process has been strengthened.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A wash needle movement mechanism for flow cytometry analysis comprising a mounting (1), characterized in that: a servo motor (2) is fixedly mounted in the middle of the upper end of the mounting seat (1), the output end of the servo motor (2) is fixedly connected with a lead screw (3) through a coupler, the lead screw (3) penetrates through the top plate of the mounting seat (1), one end, far away from the servo motor (2), of the lead screw (3) is hinged to the inner wall of the bottom end of the mounting seat (1), a group of auxiliary rods (4) are fixedly connected between the inner walls of the upper end and the lower end of the mounting seat (1), a movable plate (5) is movably sleeved on the outer sides of the lead screw (3) and the auxiliary rods (4), a connecting seat (6) is fixedly connected to the front side of the movable plate (5), a group of U-shaped blocks (7) are arranged at the upper end of the connecting seat (6), knobs (9) are arranged on the left side and the right side of each U-shaped block (7, threaded rod (14) run through the curb plate of U-shaped piece (7) and with U-shaped piece (7) threaded connection, threaded rod (14) keep away from that the one end of knob (9) articulates there is adapter sleeve (10), two it is fixed with washing seat (11) to press from both sides between adapter sleeve (10), a set of telescopic link (12) of bottom fixedly connected with of U-shaped piece (7), buffer spring (13) have been cup jointed in the outside activity of telescopic link (12), the spacing groove that corresponds U-shaped piece (7) is seted up to the upper end of connecting seat (6), the one end that U-shaped piece (7) were kept away from in telescopic link (12) and buffer spring (13) all with the bottom inner wall fixed connection of the spacing groove of connecting seat (6).

2. A wash needle movement mechanism for flow cytometry analysis as described in claim 1 wherein: two side plates of the U-shaped block (7) are all penetrated with movable rods (15), and one end of each movable rod (15) is fixedly connected with the outer side of the fastening sleeve (10).

3. A wash needle movement mechanism for flow cytometry analysis as described in claim 1 wherein: the cleaning device is characterized in that through openings corresponding to the cleaning seats (11) are formed in the connecting seats (6) and the U-shaped blocks (7), the cleaning seats (11) penetrate through the through openings of the connecting seats (6) and the U-shaped blocks (7), and reaction cups (8) corresponding to the cleaning seats (11) are arranged on the inner walls of the bottom ends of the mounting seats (1).

4. A wash needle movement mechanism for flow cytometry analysis as described in claim 1 wherein: the auxiliary rods (4) are two, the two auxiliary rods (4) are respectively located on the left side and the right side of the screw rod (3), and the movable plate (5) is provided with a threaded groove matched with the screw rod (3).

5. A wash needle movement mechanism for flow cytometry analysis as described in claim 1 wherein: and the cleaning seat (11) is provided with a liquid injection needle and a liquid suction needle.

6. A wash needle movement mechanism for flow cytometry analysis as described in claim 1 wherein: the inner sides of the two fastening sleeves (10) are fixedly connected with rubber pads.