CN211262915U

CN211262915U - Liquid-based thin-layer cell pelleter is with preventing stifled syringe needle

Info

Publication number: CN211262915U
Application number: CN201922367251.4U
Authority: CN
Inventors: 杜安伟
Original assignee: Dalian Ruiyu Medical Equipment Co ltd
Current assignee: Dalian Ruiyu Medical Equipment Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-08-14
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses an anti-blocking needle head for a liquid-based thin-layer cell pelleter, which comprises a needle tube seat, wherein a first connecting tube, a second connecting tube and a waste liquid tube are inserted into the upper end of the needle tube seat and are sequentially arranged from left to right, and a first liquid injection tube, a second liquid injection tube and a liquid suction tube are inserted into the lower end of the needle tube seat and are sequentially arranged from left to right; through servo motor's drive for the piston can move along the axle center direction of lead screw, when the piston moves to first notes liquid pipe, second notes liquid pipe and third and annotate the liquid intraductal, release the liquid medicine of storage in it, or release the majority, when two carry out the rebound, because the liquid measure reduces, make the tension face of liquid destroy, make the liquid medicine that does not release flow along the pipe wall then, make not persist the liquid medicine in the syringe needle, then the appearance of the crystallization of avoiding, the jam has also been avoided.

Description

Liquid-based thin-layer cell pelleter is with preventing stifled syringe needle

Technical Field

The utility model relates to a syringe needle technical field specifically is a liquid-based thin layer cell pelleter is with preventing stifled syringe needle.

Background

In liquid-based thin-layer cell pelleter, the syringe needle is the structure of carrying out liquid medicine instillation or waste liquid recovery, because it is when practical, constitutes and handles the enclosed construction for the liquid medicine stores up inside, after the solvent evaporation, the medicine crystallization is in the intraductal of syringe needle, leads to the jam of syringe needle, current processing method is mostly through dismantling the washing, if medicine dissolving speed is too slow, hardly make the needle tubing resume the practicality fast, man-hour has been consumed, increase the handling capacity simultaneously, for this reason we propose a liquid-based thin-layer cell pelleter and use anti-blocking syringe needle.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a liquid-based thin-layer cell film-making machine is with preventing stifled syringe needle, technical scheme as follows:

an anti-blocking needle for a liquid-based thin-layer cell pelleter comprises a needle tube seat, wherein a first connecting tube, a second connecting tube and a waste liquid tube are inserted into the upper end of the needle tube seat and are sequentially arranged from left to right, and a first liquid injection tube, a second liquid injection tube and a liquid suction tube are inserted into the lower end of the needle tube seat and are sequentially arranged from left to right;

the needle tube seat is internally provided with a first liquid tube, a second liquid tube and a third liquid tube which are sequentially started from left to right, the upper end of the first liquid tube is connected with a first connecting tube, the lower end of the first liquid tube is connected with a first liquid injection tube, the upper end of the second liquid tube is connected with a second liquid injection tube, the upper end of the third liquid tube is connected with a waste liquid tube, the lower end of the third liquid tube is connected with a liquid injection tube, the lower bending end of the first liquid tube, the lower bending end of the second liquid tube and the lower bending end of the third liquid tube are respectively provided with a push rod device, the second liquid tube is positioned above the push rod device and is provided with a second motor tube, the third liquid tube is positioned above the push rod device and is provided with a third motor tube, the first liquid tube is positioned above the push rod device and is provided with an axial groove, the needle tube seat on the left side of the axial groove is provided with a first motor tube, and a first servo motor, a second servo motor, The output end of the first servo motor is fixedly provided with a bevel gear, the bevel gear is in power connection with a push rod device in the first liquid pipe through a transmission gear, the second servo motor is connected with a push rod device in the second liquid pipe through a coupler, and the third servo motor is connected with a push rod device in the third liquid pipe through a coupler.

The intraductal upper end of first liquid pipe, the intraductal upper end of second liquid pipe and the intraductal upper end homogeneous body shaping of third liquid pipe have a spacing flange, the intraductal lower extreme of first liquid pipe, the intraductal lower extreme of second liquid pipe and the intraductal lower extreme homogeneous body shaping of third liquid pipe have a spacing flange.

The push rod device comprises a lead screw, a piston and an auxiliary rod, the piston is screwed in a threaded part of the lead screw, a sealing plate is rotatably mounted at the upper end of the lead screw, an auxiliary plate is rotatably mounted at the lower end of the lead screw, the auxiliary rod is fixedly mounted between the auxiliary plate and the sealing plate and symmetrically positioned on two sides of the lead screw, and the auxiliary rod penetrates through the piston.

The circumference cover of piston is equipped with the sealing rubber ring, and sealing rubber ring quantity is greater than two.

Chamfer slopes begin to be arranged on the inner edge of the upper end of the first liquid injection pipe, the inner edge of the upper end of the second liquid injection pipe and the inner edge of the upper end of the liquid suction pipe, the diameter of the piston is slightly smaller than the inner diameter of the first liquid injection pipe, the inner diameter of the second liquid injection pipe and the inner diameter of the liquid suction pipe, and a chamfer slope begins to be arranged on the outer edge of the lower end of the piston.

The lower end of the first liquid injection pipe and the lower end of the second liquid injection pipe are both inclined plane ports, and the lower end of the liquid suction pipe is a plane port.

The utility model has the advantages that:

through servo motor's drive for the piston can move along the axle center direction of lead screw, when the piston moves to first notes liquid pipe, second notes liquid pipe and third and annotate the liquid intraductal, release the liquid medicine of storage in it, or release the majority, when two carry out the rebound, because the liquid measure reduces, make the tension face of liquid destroy, make the liquid medicine that does not release flow along the pipe wall then, make not persist the liquid medicine in the syringe needle, then the appearance of the crystallization of avoiding, the jam has also been avoided.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the needle base of the present invention;

FIG. 3 is a detail view of FIG. 2 at a;

FIG. 4 is a schematic structural view of the push rod device of the present invention;

FIG. 5 is a schematic view of the piston structure of the present invention;

the device comprises a needle tube base 1, a needle tube base 101, a third liquid tube 102, a coupler 103, a third servo motor 104, a third motor tube 105, a second servo motor 106, a second motor tube 107, a first motor tube 108, a limiting flange 109, a first liquid tube 110, a second liquid tube 111, a first servo motor 112, a bevel gear 113, a transmission gear 2, a waste liquid tube 3, a second connection tube 4, a first connection tube 5, a first liquid injection tube 6, a second liquid injection tube 7, a liquid suction tube 8, a push rod device 81, a lead screw 82, a sealing plate 83, a piston 84, an auxiliary rod 85, an auxiliary plate 86 and a sealing rubber ring.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings.

An anti-blocking needle for a liquid-based thin-layer cell pelleter comprises a needle tube seat 1, wherein a first connecting tube 4, a second connecting tube 3 and a waste liquid tube 2 are inserted into the upper end of the needle tube seat 1 and sequentially arranged from left to right, a first liquid injection tube 5, a second liquid injection tube 6 and a liquid suction tube 7 are inserted into the lower end of the needle tube seat 1 and sequentially arranged from left to right to form integral connection of a needle structure, the first connecting tube 4 and the second connecting tube 3 are connected with an external liquid injection device to introduce liquid medicine into a needle, the waste liquid tube 2 is connected with an external structure, negative pressure is transmitted to the liquid suction tube 7 along a third liquid tube 101, the liquid medicine remained on a slide is recovered, and the phenomenon that the residual liquid medicine affects the slide forming effect is;

the needle tube seat 1 sequentially starts a first liquid tube 109, a second liquid tube 110 and a third liquid tube 101 from left to right, the upper end of the first liquid tube 109 is connected with a first connecting tube 4, the lower end of the first liquid tube 109 is connected with a first liquid injection tube 5, the upper end of the second liquid tube 110 is connected with a second connecting tube 3, the lower end of the second liquid tube 110 is connected with a second liquid injection tube 6, the upper end of the third liquid tube 101 is connected with a waste liquid tube 2, the lower end of the third liquid tube 101 is connected with a liquid suction tube 7, the lower bending end of the first liquid tube 109, the lower bending end of the second liquid tube 110 and the lower bending end of the third liquid tube 101 are provided with a push rod device 8, the second liquid tube 110 is arranged above the push rod device 8 and provided with a second motor tube 106, the third liquid tube 101 is arranged above the push rod device 8 and provided with a third motor tube 104, the first liquid tube 109 is arranged above the push rod device 8 and provided with a shaft groove, and the needle tube, the first motor pipe 107, the second motor pipe 106 and the third motor pipe 104 are internally provided with a first servo motor 111, a second servo motor 105 and a third servo motor 103 respectively, the output end of the first servo motor 111 is fixedly provided with a bevel gear 112, the bevel gear 112 is in power connection with the push rod device 8 in the first liquid pipe 109 through a transmission gear 113, the second servo motor 105 is connected with the push rod device 8 in the second liquid pipe 110 through a coupler 102, and the third servo motor 103 is connected with the push rod device 8 in the third liquid pipe 101 through the coupler 102.

Through first liquid pipe 109, second liquid pipe 110, third liquid pipe 101, first notes liquid pipe 5, second notes liquid pipe 6, pipette 7, first connecting pipe 4, the orderly connection of second connecting pipe 3 and waste liquid pipe 2, realize different liquid flow directions and switch on the function, simultaneously under first servo motor 111, second servo motor 105, the work of third servo motor 103, drive the push rod device 8 that corresponds and work, carry out the raffinate clearance to the lumen that every push rod device 8 corresponds.

Specifically, the limiting flange 108 is integrally formed at the upper end inside the tube of the first liquid tube 109, the upper end inside the tube of the second liquid tube 110, and the upper end inside the tube of the third liquid tube 101, the limiting flange 108 is integrally formed at the lower end inside the tube of the first liquid tube 109, the lower end inside the tube of the second liquid tube 110, and the lower end inside the tube of the third liquid tube 101, and the corresponding tube body is prevented from being inserted too deeply by the arrangement of the limiting flange 108.

Specifically, the push rod device 8 includes a screw rod 81, a piston 83 and an auxiliary rod 84, and is a main basic structure of the push rod device 8, the piston 83 is screwed on a threaded portion of the screw rod 81, the piston 83 is moved through thread fit, a sealing plate 82 is rotatably installed at the upper end of the screw rod 81, the upper end of the push rod device 8 is fixedly installed, the screw rod 81 cannot perform axial relative displacement with the seal, an auxiliary plate 85 is rotatably installed at the lower end of the screw rod 81, the auxiliary rod 84 is positioned in a matched manner, the auxiliary rod 84 is prevented from twisting, the auxiliary rod 84 is fixedly installed between the auxiliary plate 85 and the sealing plate 82, the auxiliary rod 84 is symmetrically located at two sides of the screw rod 81, the auxiliary rod 84 penetrates through the piston 83, the piston 83 is oriented, and the rotation along with the screw rod 81.

Specifically, the piston 83 is circumferentially sleeved with the sealing rubber rings 86, and the number of the sealing rubber rings 86 is greater than two, so that the sealing performance of the piston 83 is improved.

Specifically, the inner edge of the upper end of the first pouring pipe 5, the inner edge of the upper end of the second pouring pipe 6 and the inner edge of the upper end of the pipette 7 all start to have chamfer slopes, the diameter of the piston 83 is slightly smaller than the inner diameter of the first pouring pipe 5, the inner diameter of the second pouring pipe 6 and the inner diameter of the pipette 7, and the outer edge of the lower end of the piston 83 starts to have a chamfer slope, so that the piston 83 can conveniently enter the first pouring pipe 5, the second pouring pipe 6 and the pipette 7.

Particularly, the lower extreme of first notes liquid pipe 5 and the lower extreme of second notes liquid pipe 6 are the inclined plane port, make things convenient for the low of liquid medicine to fall, the lower extreme of pipette 7 is the plane port, conveniently adsorbs the raffinate on the slide.

The working principle is as follows: during the use, will the utility model discloses after the combination is installed, the liquid medicine is through first connecting pipe 4, the syringe needle is injected into to second connecting pipe 3, then through first liquid pipe 109, second liquid pipe 110, first notes liquid pipe 5, second notes liquid pipe 6 drips, after dripping, negative pressure is along waste liquid pipe 2, third liquid pipe 101 and pipette 7 are used on the glass, absorb the raffinate, after whole work, first servo motor 111, second servo motor 105, third servo motor 103 work, drive corresponding lead screw 81 and rotate, then promote piston 83 on the lead screw 81 downwards, arrange the department with the liquid medicine that the lumen was left, then, first servo motor 111, second servo motor 105, third servo motor 103 antiport, piston 83 goes upward, the negative pressure destroys the interior tension face of remaining liquid of lumen, make the liquid medicine follow the pipe wall downflow.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a liquid-based thin-layer cell pelleter is with preventing stifled syringe needle, includes the syringe needle seat, its characterized in that: the upper end of the needle tube seat is inserted with a first connecting tube, a second connecting tube and a waste liquid tube which are sequentially arranged from left to right, and the lower end of the needle tube seat is inserted with a first liquid injection tube, a second liquid injection tube and a liquid suction tube which are sequentially arranged from left to right;

2. The anti-blocking needle for the liquid-based thin-layer cell pelleter according to claim 1, which is characterized in that: the intraductal upper end of first liquid pipe, the intraductal upper end of second liquid pipe and the intraductal upper end homogeneous body shaping of third liquid pipe have a spacing flange, the intraductal lower extreme of first liquid pipe, the intraductal lower extreme of second liquid pipe and the intraductal lower extreme homogeneous body shaping of third liquid pipe have a spacing flange.

3. The anti-blocking needle for the liquid-based thin-layer cell pelleter according to claim 1, which is characterized in that: the push rod device comprises a lead screw, a piston and an auxiliary rod, the piston is screwed in a threaded part of the lead screw, a sealing plate is rotatably mounted at the upper end of the lead screw, an auxiliary plate is rotatably mounted at the lower end of the lead screw, the auxiliary rod is fixedly mounted between the auxiliary plate and the sealing plate and symmetrically positioned on two sides of the lead screw, and the auxiliary rod penetrates through the piston.

4. The anti-blocking needle for the liquid-based thin-layer cell pelleter according to claim 3, which is characterized in that: the circumference cover of piston is equipped with the sealing rubber ring, and sealing rubber ring quantity is greater than two.

5. The anti-blocking needle for the liquid-based thin-layer cell pelleter according to claim 1, 3 or 4, which is characterized in that: chamfer slopes begin to be arranged on the inner edge of the upper end of the first liquid injection pipe, the inner edge of the upper end of the second liquid injection pipe and the inner edge of the upper end of the liquid suction pipe, the diameter of the piston is slightly smaller than the inner diameter of the first liquid injection pipe, the inner diameter of the second liquid injection pipe and the inner diameter of the liquid suction pipe, and a chamfer slope begins to be arranged on the outer edge of the lower end of the piston.

6. The anti-blocking needle for the liquid-based thin-layer cell pelleter according to claim 1, which is characterized in that: the lower end of the first liquid injection pipe and the lower end of the second liquid injection pipe are both inclined plane ports, and the lower end of the liquid suction pipe is a plane port.