CN220803336U - Device for realizing cell pipetting anti-dripping - Google Patents

Abstract

The utility model discloses a device for realizing anti-dripping of cell pipetting, and relates to the field of cell pipetting. This a device for realizing cell pipettor antidrip, including the cell pipettor main part, the surface of cell pipettor main part is provided with the drip needle tubing, the tip of cell pipettor main part is provided with the fixed plate, the surface of fixed plate is provided with the antidrip mechanism that is used for avoiding the drip needle tubing to drip when the cell pipettor main part removes, antidrip mechanism is including setting up the joint piece at cell pipettor main part surface, the surface of joint piece is provided with the spring, joint piece activity joint is in the inside of fixed plate. This a device for realizing cell pipettor antidrip is fixed the fixed plate through setting up the fixed plate, reuse joint piece, and the start key takes place not hard up when preventing to remove cell pipettor main part when removing, avoids producing the condition of weeping.

Description

Device for realizing cell pipetting anti-dripping

Technical Field

The utility model relates to the technical field of cell pipetting, in particular to a device for realizing cell pipetting anti-dripping.

Background

The cell liquid is required to be finished by using a liquid dispenser, a liquid-dropping needle tube arranged at the end part of the liquid dispenser is inserted into cell liquid, a starting key is pressed firstly, at the moment, the cell liquid is sucked into the liquid dispenser, and finally, the starting key is released, so that the cell liquid flows out from the end part of the liquid-dropping needle tube.

The existing pipettors have the problem that when the pipettors are to be moved, hands are easy to separate from the positions of the starting keys, so that liquid drops in advance;

The reason for this problem is that the priming key needs to be pressed first in the use process of the pipette, so that the cell liquid can be sucked into the pipette, and then the pipette is moved to the position where the cell liquid needs to be placed next, in the process, the thumb pressing the priming key cannot be separated from the surface of the priming key, if the position of the priming key is loose, the cell liquid can drop in advance, in the moving process, the user is easy to be distracted because of the external environment, at this time, the thumb pressing the priming key can be separated from the outer surface of the priming key, at this time, the loosening of the priming key can be caused, the liquid can drop in advance, and the cell liquid is wasted, so we propose a device for realizing the anti-drop of the cell pipetting.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a device for realizing anti-dripping of cell pipetting, which solves the problem that the hand is easy to separate from the position of a starting key when the pipetting is moved by the existing pipetting device, so that liquid drips in advance.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the device for realizing the anti-dripping of the cell pipetting comprises a cell pipetting body, wherein a dripping needle tube is arranged on the outer surface of the cell pipetting body;

The method is characterized in that: the tip of cell pipettor main part is provided with the fixed plate, the surface of fixed plate is provided with the antidrip mechanism that is used for avoiding the drip needle tubing to drip when cell pipettor main part removes, antidrip mechanism is including setting up the joint piece at cell pipettor main part surface, the surface of joint piece is provided with the spring, joint piece activity joint is in the inside of fixed plate.

Preferably, the end part of the cell pipette main body is fixedly connected with a starting key, the upper surface of the starting key is fixedly connected with a connecting plate, and the fixing plate is fixedly connected to the lower surface of the connecting plate.

Preferably, the outer surface of the cell pipette body is fixedly connected with a functional box, and the clamping block is slidably connected in the functional box.

Preferably, the surface fixedly connected with stopper of joint piece, the sliding connection of stopper is in the inside of function box.

Preferably, the outer surface fixedly connected with slide bar of joint piece, the slide bar activity is pegged graft in the inside of function box, the spring activity cup joints the surface at the slide bar.

Preferably, the end part of the sliding rod is fixedly connected with a limiting plate, and the outer surface of the limiting plate abuts against the outer surface of the functional box.

Preferably, one side fixedly connected with function board of stopper is kept away from to the surface of joint piece, function board sliding connection is in the inside of function box, the inside activity grafting of function board has the plugboard, the function board is provided with two sets of, plugboard fixed connection is at the tip of another group of function board, the surface fixedly connected with of function board promotes the piece.

The utility model discloses a device for realizing cell pipetting anti-dripping, which has the following beneficial effects: this a device for realizing cell liquid transfer antidrip, through the radian of fixed plate extrusion joint piece surface, the joint piece extrudes the spring together with inside the functional box, the joint piece joint is inside the square groove of fixed plate tip, etc. when moving cell liquid transfer ware main part to the position of placing at cell liquid, promote the impeller again, the impeller drives the functional board and removes, until the functional board drives the joint piece and leave inside the fixed plate tip square groove can, just can slowly release the start key at this moment, emit the inside cell liquid of cell liquid transfer ware main part, through setting up the fixed plate like this, reuse joint piece is fixed the fixed plate, prevent to remove the cell liquid transfer ware main part and start the key and take place not hard up when removing, avoid producing the condition of weeping.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

FIG. 2 is a schematic view of the portion A of FIG. 1 according to the present utility model;

FIG. 3 is a sectional view showing the internal part of the functional cartridge of the present utility model;

fig. 4 is an exploded view of the end portion structure of the functional board of the present utility model.

In the figure: 1. a cell pipette body; 101. a drip needle tube; 102. a start key; 2. a fixing plate; 201. a clamping block; 202. a spring; 203. a limiting plate; 204. a slide bar; 205. a function box; 206. a function board; 207. a limiting block; 208. a connecting plate; 209. a pushing block; 210. a plug board.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model are clearly and completely described, and it is obvious that the described embodiments are 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.

The embodiment of the application solves the problem that the hand is easy to separate from the position of the starting key when the existing pipettor moves, so that liquid drops in advance.

In order to better understand the above technical solutions, the following description will refer to the drawings and specific embodiments.

The embodiment of the utility model discloses a device for realizing cell pipetting anti-dripping.

According to the drawings 1-4, the cell pipette comprises a cell pipette body 1, a drip needle tube 101 is arranged on the outer surface of the cell pipette body 1, a fixing plate 2 is arranged at the end part of the cell pipette body 1, an anti-dripping mechanism for preventing the drip needle tube 101 from dripping when the cell pipette body 1 moves is arranged on the outer surface of the fixing plate 2, the anti-dripping mechanism comprises a clamping block 201 arranged on the outer surface of the cell pipette body 1, a spring 202 is arranged on the outer surface of the clamping block 201, and the clamping block 201 is movably clamped inside the fixing plate 2.

Through inserting the drip needle tube 101 that the tip set up of cell pipettor main part 1 in the cell liquid, press the start key 102, cell liquid will be inhaled inside the cell pipettor main part 1, at this moment fixed plate 2 will move about the inside of inserting function box 205, fixed plate 2 will extrude the radian of joint piece 201 surface, joint piece 201 slides in the inside of function box 205 in the extrusion process, joint piece 201 extrudees spring 202 together with the inside of function box 205 simultaneously, slide bar 204 slides in the inside of function box 205 simultaneously, when joint piece 201 corresponds to fixed plate 2 tip square groove position, spring 202 will lose the extrusion force and produce tension, and promote joint piece 201 promotion joint in the square groove inside of fixed plate 2 tip can, just so can fix the position of start key 102.

The end fixedly connected with start key 102 of cell pipettor main part 1, the upper surface fixedly connected with connecting plate 208 of start key 102, fixed plate 2 fixedly connected with is in the lower surface of connecting plate 208, the surface fixedly connected with function box 205 of cell pipettor main part 1, joint piece 201 sliding connection is in the inside of function box 205, the surface fixedly connected with stopper 207 of joint piece 201, the sliding connection of stopper 207 is in the inside of function box 205, when moving cell pipettor main part 1 to the position of placing at the cell liquid, promote the impeller 209 again, at this moment, the impeller 209 drives the function plate 206 and removes, the function plate 206 tip will slide in the inside of function box 205, simultaneously the function plate 206 drives joint piece 201 and slides in the inside of function box 205, until joint piece 201 leaves the inside of fixed plate 2 tip square groove can, just at this moment can slowly release start key 102, with the inside cell liquid of cell pipettor main part 1.

The external surface fixedly connected with slide bar 204 of joint piece 201, the inside at function box 205 is pegged graft in the activity of slide bar 204, the spring 202 activity cup joints the surface at slide bar 204, the tip fixedly connected with limiting plate 203 of slide bar 204, the surface of limiting plate 203 offsets with the surface of function box 205, one side fixedly connected with function board 206 of stopper 207 is kept away from to the surface of joint piece 201, function board 206 sliding connection is in the inside of function box 205, the inside activity grafting of function board 206 has plugboard 210, function board 206 is provided with two sets of, plugboard 210 fixed connection is at the tip of another group of function board 206, the surface fixedly connected with impeller 209 of function board 206, through setting up fixed plate 2, reuse joint piece 201 is fixed plate 2, prevent to remove cell pipettor main part 1 start key 102 and take place not hard up when removing, avoid producing the condition of weeping, and use does not influence the normal use of cell pipettor main part 1.

In summary, compared with the prior art, the method has the following beneficial effects:

Through the radian of fixed plate 2 extrusion joint piece 201 surface, joint piece 201 extrudees spring 202 together with inside function box 205, joint piece 201 joint is inside the square groove of fixed plate 2 tip, wait to remove cell pipettor main part 1 when placing the position of placing at the cell liquid, promote again pushing block 209, pushing block 209 drives function board 206 and removes, until the function board drives joint piece 201 leave inside the square groove of fixed plate 2 tip, just can slowly let out hand start key 102 at this moment, emit the inside cell liquid of cell pipettor main part 1, through setting up fixed plate 2 like this, reuse joint piece 201 is fixed plate 2, prevent to remove cell pipettor main part 1 and start key 102 takes place not hard up when removing, avoid producing the condition of weeping.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. A device for realizing anti-drip of cell pipetting, comprising a cell pipetting body (1), wherein a drip needle tube (101) is arranged on the outer surface of the cell pipetting body (1);

the method is characterized in that: the end of cell pipettor main part (1) is provided with fixed plate (2), the surface of fixed plate (2) is provided with the antidrip mechanism that is used for avoiding dropping liquid needle tubing (101) to drip when cell pipettor main part (1) remove, antidrip mechanism is including setting up joint piece (201) at cell pipettor main part (1) surface, the surface of joint piece (201) is provided with spring (202), the inside at fixed plate (2) of joint piece (201) activity joint.

2. A device for achieving drip prevention of cell pipetting according to claim 1, wherein: the cell pipette comprises a cell pipette body (1), wherein a starting key (102) is fixedly connected to the end part of the cell pipette body (1), a connecting plate (208) is fixedly connected to the upper surface of the starting key (102), and a fixing plate (2) is fixedly connected to the lower surface of the connecting plate (208).

3. A device for achieving drip prevention of cell pipetting according to claim 1, wherein: the outer surface of the cell pipette body (1) is fixedly connected with a functional box (205), and the clamping block (201) is connected inside the functional box (205) in a sliding mode.

4. A device for achieving drip prevention of cell pipetting according to claim 1, wherein: the outer surface fixedly connected with stopper (207) of joint piece (201), the sliding connection of stopper (207) is in the inside of function box (205).

5. A device for achieving drip prevention of cell pipetting according to claim 1, wherein: the outer surface fixedly connected with slide bar (204) of joint piece (201), slide bar (204) activity grafting is in the inside of function box (205), spring (202) activity cup joints the surface at slide bar (204).

6. A device for achieving drip prevention of cell pipetting as recited in claim 5 wherein: the end part of the sliding rod (204) is fixedly connected with a limiting plate (203), and the outer surface of the limiting plate (203) is propped against the outer surface of the functional box (205).

7. A device for achieving drip prevention of cell pipetting according to claim 1, wherein: one side fixedly connected with function board (206) of stopper (207) is kept away from to the surface of joint piece (201), inside at function box (205) function board (206) sliding connection, the inside activity grafting of function board (206) has plugboard (210), function board (206) are provided with two sets of, plugboard (210) fixed connection is at the tip of another group of function board (206), the surface fixedly connected with of function board (206) promotes piece (209).