Cell pipette

Abstract

The utility model relates to the technical field of experimental equipment, in particular to a cell pipette which comprises a pipette body, the pipette comprises a pipette body and further comprises a liquid suction barrel, a piston, a connecting rod, a first mounting plate, an electric push rod, a second mounting plate, a trigger and a receiver, the liquid suction barrel is mounted on the left side of the bottom in the pipette body, the piston is arranged in the liquid suction barrel, the top of the piston is connected with the connecting rod, and the other end of the connecting rod penetrates through the liquid suction barrel to be connected with the first mounting plate; a trigger is mounted on the top left side of the mounting plate I; through the arrangement of the liquid suction cylinder, the electric push rod, the mounting plate II, the trigger and the receiver, the electric push rod can drive the mounting plate I to move upwards, so that the mounting plate I can drive the piston to move upwards through the connecting rod, and the liquid suction cylinder can suck cell sap; and when a trigger on the mounting plate I touches a receiver on the mounting plate II, the electric push rod stops, so that quantitative suction of the cell sap is completed, and the suction precision of the cell sap is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to experimental apparatus technical field especially relates to a cell pipette. BACKGROUND

[0002] In biological cell experiment, cell culture is an extremely important component, cell culture is a method that simulates in-vivo environment in vitro, makes survival, growth, reproduction and maintains main structure and function, cell culture technology is important and commonly used technology in cell biology research method, through cell culture, can obtain a large number of cells, and can study cell signal transduction, cell synthesis metabolism, cell growth and proliferation, cells are usually cultured in culture vessels such as test tube, culture bottle, culture dish, in the cell culture process, often need to add appropriate amount of nutrient solution, reagent and other liquid substances to the culture vessel, the addition of these liquid substances is generally realized through pipette.

[0003] According to the search, the patent literature of China, the announcement number: CN216630894U2 discloses a kind of pipette structure, by the use of inductor, regulating plate and loudspeaker, when user is in suction or discharge liquid, user can adjust regulating plate by adjusting button, so that regulating plate can set the liquid amount required by experiment, subsequently user can draw liquid into suction head by pulling press lever, when press lever is pulled upwards, inductor can judge the liquid amount suctioned by suction head by the mode of the pull range of press lever through wire, when the liquid amount suctioned or discharged reaches set value, inductor can drive loudspeaker through wire, so that loudspeaker emits sound to remind user, to facilitate the user who uses device for the first time to operate, but the device uses loudspeaker to emit sound to remind user, personnel needs certain reaction time from accepting sound to stopping pressing press lever, during which the pipette still can suck certain cell liquid, so that it can cause the error of the amount of cell liquid transfer, which can affect subsequent experimental results.

[0004] Therefore, aiming at the problem that the existing device uses loudspeaker to emit sound to remind user, personnel needs certain reaction time from accepting sound to stopping pressing press lever, during which the pipette still can suck certain cell liquid, so that it can cause the error of the amount of cell liquid transfer, which can affect subsequent experimental results, a kind of cell pipette can be designed, by setting liquid suction cylinder, electric push rod, mounting plate two, trigger, receiver, electric push rod can drive mounting plate one to move upwards, mounting plate one can drive piston to move upwards by connecting rod, liquid suction cylinder can play the role of suction to cell liquid, when trigger on mounting plate one touches receiver on mounting plate two, electric push rod stops, so that the quantitative suction of cell liquid is completed, improve the precision of cell liquid suction. UTILITY MODEL CONTENT

[0005] In order to overcome the existing device using loudspeaker to remind the user to issue sound, personnel from receiving sound to stop pressing the pressing rod needs a certain reaction time, during the pipette still can suck in a certain amount of cell liquid, thus can cause the error of the amount of cell liquid transfer, and can affect the subsequent experimental results.

[0006] The technical scheme of the utility model discloses: a cell pipette, including the pipette body, still including the liquid suction cylinder, piston, connecting rod, mounting plate no. 1, electric push rod, mounting plate no. 2, trigger, receiver, the inside bottom left of pipette body is installed with liquid suction cylinder, the inside of liquid suction cylinder is provided with piston, the top of piston is connected with connecting rod, the other end of connecting rod is connected with mounting plate no. 1 and is penetrated in liquid suction cylinder, the top left of mounting plate no. 1 is installed with trigger, the inside bottom of pipette body is installed with electric push rod, the output end of electric push rod is connected at the bottom of mounting plate no. 1, the upper end of mounting plate no. 1 is provided with mounting plate no. 2, the bottom left of mounting plate no. 2 is installed with receiver, and trigger and receiver are mutually matched.

[0007] Preferably, starting electric push rod, the output end of electric push rod can drive mounting plate no. 1 to move upwards, and mounting plate no. 1 can drive piston to move upwards by connecting rod, so that liquid suction cylinder can suck cell liquid, when trigger on mounting plate no. 1 touches receiver on mounting plate no. 2, electric push rod stops, thereby completing the quantitative suction of cell liquid.

[0008] Preferably, the bottom left of liquid suction cylinder is provided with a suction tube.

[0009] Preferably, the top right of mounting plate no. 1 is provided with a clearance hole, and the inside of the clearance hole is provided with a threaded rod.

[0010] Preferably, the lower end of the threaded rod is installed in the inside bottom right of the pipette body through a bearing, the upper right of the pipette body is provided with a knob, the upper end of the threaded rod is connected to the bottom of the knob and penetrates the pipette body, the top right of the mounting plate no. 2 is provided with a threaded seat, the threaded rod is located in the inside of the threaded seat, and the threaded seat and the threaded rod are screw connected.

[0011] Preferably, the top front and back of mounting plate no. 1 and mounting plate no. 2 are provided with limiting holes, and the inside of the limiting holes is provided with a guide rod, and the upper and lower ends of the guide rod are connected to the inside upper and lower sides of the pipette body.

[0012] Preferably, the inside top left of the pipette body is installed with a laser ranging sensor, and the laser ranging sensor is located at the upper end of the mounting plate no. 2.

[0013] Preferably, a hook is connected to the upper left side of the pipette body, a display screen is provided on the front of the pipette body, and a control button is installed on the front of the pipette body, with the control button located at the bottom of the display screen.

[0014] The beneficial effects of this utility model are:

[0015] 1. By setting up a suction cylinder, piston, connecting rod, mounting plate one, electric actuator, mounting plate two, trigger, and receiver, the electric actuator is activated. The output end of the electric actuator can drive mounting plate one to move upward. Mounting plate one can then drive the piston upward through the connecting rod, and the suction cylinder can then perform the function of suctioning cell fluid. When the trigger on mounting plate one touches the receiver on mounting plate two, the electric actuator stops, thereby completing the quantitative suction of cell fluid and improving the accuracy of cell fluid suction. Attached Figure Description

[0016] Figure 1 The diagram shown is a three-dimensional structural schematic of a cell pipette according to this utility model;

[0017] Figure 2 The diagram shown is a three-dimensional structural illustration of the internal structure of a cell pipette according to this utility model.

[0018] Figure 3 The diagram shown is a three-dimensional cross-sectional view of the internal aspiration cylinder of a cell pipette according to this utility model.

[0019] Figure 4 The diagram shown is a three-dimensional structural diagram of the other side of the internal structure of a cell pipette according to this utility model.

[0020] Explanation of reference numerals in the attached drawings: 1. Pipette body; 2. Aspiration tube; 3. Piston; 4. Connecting rod; 5. Mounting plate one; 6. Electric actuator; 7. Mounting plate two; 8. Trigger; 9. Receiver; 10. Clearance hole; 11. Threaded rod; 12. Threaded seat; 13. Knob; 14. Guide rod; 15. Limiting hole; 16. Laser rangefinder sensor; 17. Hook; 18. Display screen; 19. Control button; 20. Aspiration tube. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] Please see Figures 1-4The utility model provides a kind of embodiment: a cell pipette, including pipette body 1;Still including liquid suction cylinder 2, piston 3, connecting rod 4, mounting plate one 5, electric push rod 6, mounting plate two 7, trigger 8, receiver 9, the inside bottom left side of pipette body 1 is installed with liquid suction cylinder 2, the inside of liquid suction cylinder 2 is provided with piston 3, the top of piston 3 is connected with connecting rod 4, the other end of connecting rod 4 is connected with mounting plate one 5 and is penetrated in liquid suction cylinder 2, the top left side of mounting plate one 5 is installed with trigger 8, the inside bottom of pipette body 1 is installed with electric push rod 6, the output end of electric push rod 6 is connected in the bottom of mounting plate one 5, the upper end of mounting plate one 5 is provided with mounting plate two 7, the bottom left side of mounting plate two 7 is installed with receiver 9, trigger 8 and receiver 9 are mutually matched, start electric push rod 6, the output end of electric push rod 6 can drive mounting plate one 5 to move upwards, mounting plate one 5 can thus drive piston 3 to move upwards by connecting rod 4, liquid suction cylinder 2 can thus play the role of suction to cell liquid, when trigger 8 on mounting plate one 5 touches receiver 9 on mounting plate two 7, electric push rod 6 stops, to complete the quantitative suction of cell liquid.

[0023] Please refer to Figures 2-4 In the embodiment, the bottom left side of the liquid suction cylinder 2 is provided with a suction tube 20, the suction tube 20 is located at the lower end of the pipette body 1, the top right side of the mounting plate one 5 is provided with a clearance hole 10, the inside of the clearance hole 10 is provided with a threaded rod 11, the lower end of the threaded rod 11 is installed on the inside bottom right side of the pipette body 1 through a bearing, the upper right side of the pipette body 1 is provided with a knob 13, the upper end of the threaded rod 11 is penetrated through the pipette body 1 and connected to the bottom of the knob 13, the top right side of the mounting plate two 7 is provided with a threaded seat 12, the threaded rod 11 is located in the inside of the threaded seat 12, the threaded seat 12 and the threaded rod 11 are screw connected, the top front and back sides of the mounting plate one 5 and the mounting plate two 7 are both provided with a limiting hole 15, the inside of the limiting hole 15 is provided with a guide rod 14, the upper and lower ends of the guide rod 14 are respectively connected to the inside upper and lower sides of the pipette body 1, the inside top left side of the pipette body 1 is installed with a laser ranging sensor 16, the laser ranging sensor 16 is located at the upper end of the mounting plate two 7, when it is necessary to adjust the liquid suction amount of the pipette body 1, the personnel rotates the knob 13, the knob 13 can drive the threaded rod 11 to rotate, the threaded seat 12 is affected by the thread of the threaded rod 11 and can drive the receiver 9 on the mounting plate two 7 to move up and down, the laser ranging sensor 16 can monitor the distance between the mounting plate two 7, and then can monitor the height of the receiver 9, the personnel can adjust the height of the receiver 9 to realize the adjustment of the liquid suction amount, wherein the model of the laser ranging sensor 16 is HGC1030, the setting of the guide rod 14 and the limiting hole 15 can limit and guide the mounting plate one 5 and the mounting plate two 7, so as to ensure the stability of the mounting plate one 5 and the mounting plate two 7 when they are lifted.

[0024] Please refer to Figure 1 In the embodiment, the hook 17 is connected to the left upper end of the pipette body 1, the display screen 18 is arranged on the front of the pipette body 1, and the control button 19 is arranged on the front of the pipette body 1 and located at the lower end of the display screen 18. The display screen 18 can display the amount of the cell liquid to be sucked, and the personnel can adjust the amount of the cell liquid to be sucked through the display screen 18. The control button 19 can control the pipette body 1, and the hook 17 is convenient for storing the pipette body 1.

[0025] When working, the personnel rotates the knob 13, the knob 13 drives the threaded rod 11 to rotate, the threaded seat 12 is driven by the threads of the threaded rod 11 to drive the receiver 9 on the mounting plate two 7 to move up and down, the laser ranging sensor 16 can monitor the height of the receiver 9, the personnel can observe the adjustment amount of the cell liquid to be sucked through the display screen 18, after adjusting the height of the receiver 9, the pipette 20 is inserted into the cell liquid, the control button 19 is pressed, the electric push rod 6 drives the mounting plate one 5 to move upward, the mounting plate one 5 drives the piston 3 to move upward through the connecting rod 4, and the suction cylinder 2 can suck the cell liquid. When the trigger 8 on the mounting plate one 5 touches the receiver 9 on the mounting plate two 7, the electric push rod 6 stops, and the quantitative sucking of the cell liquid is completed.

[0026] Through the above steps, the suction cylinder 2, the electric push rod 6, the mounting plate two 7, the trigger 8, and the receiver 9 are arranged, the electric push rod 6 drives the mounting plate one 5 to move upward, the mounting plate one 5 drives the piston 3 to move upward through the connecting rod 4, and the suction cylinder 2 can suck the cell liquid. When the trigger 8 on the mounting plate one 5 touches the receiver 9 on the mounting plate two 7, the electric push rod 6 stops, and the quantitative sucking of the cell liquid is completed. The precision of the cell liquid sucking is improved, the existing device uses the loudspeaker to emit sound to remind the user, the personnel needs a certain reaction time from receiving the sound to stopping pressing the pressing rod, and the pipette still sucks a certain amount of cell liquid during the period, which can cause errors in the amount of cell liquid transfer and affect the subsequent experimental results.

Claims

1. A cell pipette comprising a pipette body (1); characterized in that: It also includes the suction cylinder (2), piston (3), connecting rod (4), mounting plate one (5), electric push rod (6), mounting plate two (7), trigger (8), receiver (9), the inside bottom left of the pipette body (1) is mounted with the suction cylinder (2), the inside of the suction cylinder (2) is provided with the piston (3), the top of the piston (3) is connected with the connecting rod (4), the other end of the connecting rod (4) penetrates the suction cylinder (2) and is connected with the mounting plate one (5), the top left of the mounting plate one (5) is mounted with the trigger (8), the inside bottom of the pipette body (1) is mounted with the electric push rod (6), the output end of the electric push rod (6) is connected at the bottom of the mounting plate one (5), the upper end of the mounting plate one (5) is provided with the mounting plate two (7), the bottom left of the mounting plate two (7) is mounted with the receiver (9), the trigger (8) and the receiver (9) are matched with each other.

2. A cell pipette according to claim 1, characterized in that: The bottom left of the suction cylinder (2) is provided with a suction tube (20), and the suction tube (20) is located at the lower end of the pipette body (1).

3. The cell pipette of claim 1, wherein: The top right of the mounting plate one (5) is provided with a let hole (10), and the inside of the let hole (10) is provided with a threaded rod (11).

4. A cell pipette according to claim 3, wherein: The lower end of the threaded rod (11) is mounted on the inside bottom right of the pipette body (1) through a bearing, the upper right of the pipette body (1) is provided with a knob (13), the upper end of the threaded rod (11) penetrates the pipette body (1) and is connected at the bottom of the knob (13), the top right of the mounting plate two (7) is provided with a threaded seat (12), the threaded rod (11) is located in the threaded seat (12), and the threaded seat (12) and the threaded rod (11) are screwed.

5. The cell pipette of claim 1, wherein: The top front and back of the mounting plate one (5) and the mounting plate two (7) are provided with limiting holes (15), the inside of the limiting hole (15) is provided with a guide rod (14), and the upper and lower ends of the guide rod (14) are connected to the inside upper and lower sides of the pipette body (1) respectively.

6. The cell pipette of claim 1, wherein: The inside top left of the pipette body (1) is mounted with a laser ranging sensor (16), and the laser ranging sensor (16) is located at the upper end of the mounting plate two (7).

7. The cell pipette of claim 1, wherein: The left upper end of the pipette body (1) is connected with a hook (17), the front of the pipette body (1) is provided with a display screen (18), the front of the pipette body (1) is mounted with a control button (19), and the control button (19) is located at the lower end of the display screen (18).

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