CN221514540U

CN221514540U - Liquid discharging pliers

Info

Publication number: CN221514540U
Application number: CN202420052889.7U
Authority: CN
Inventors: 王彬彬; 熊兴林
Original assignee: Hengzhi Weiyu Enterprise Management Consulting Nanjing Co ltd
Current assignee: Hengzhi Weiyu Enterprise Management Consulting Nanjing Co ltd
Priority date: 2024-01-09
Filing date: 2024-01-09
Publication date: 2024-08-13
Anticipated expiration: 2034-01-09

Abstract

The utility model relates to the field of medical equipment, in particular to a liquid discharging clamp which comprises a pipette gun body, a supporting plate, a pulling rod, a sealing block and a piston; the support plates are provided with two groups; the pipette gun body is arranged on the two groups of support plates in a sliding manner along the vertical direction, and a sliding mechanism for driving the pipette gun body to slide up and down is arranged on the support plates; the sealing block is arranged on the inner wall of the top of the pipette gun body; the pull rod passes through the sealing block and stretches into the pipette gun body; the piston is arranged at the bottom of the pulling rod and contacts with the inner wall of the pipette gun body, and one side of the pipette gun body is provided with a lifting mechanism for driving the pulling rod and the piston to automatically suck materials. The utility model can reduce manual operation, improve the working efficiency of a laboratory, and the liquid sample required by the liquid dispenser can be automatically sucked by an operator only by pressing a button or a trigger, thereby saving time and energy.

Description

Liquid discharging pliers

Technical Field

The utility model relates to the field of medical equipment, in particular to a liquid discharging clamp.

Background

The liquid discharge forceps generally refer to a pipette, which is a tool commonly used in laboratories for accurately sucking, transferring and dispensing liquid samples such as blood, urine, cell cultures, etc.; it generally consists of an elongated tubular suction head and a capacity-adjustable handle.

The Chinese patent with the grant publication number of CN217490930U discloses a liquid dispenser, which comprises a liquid dispenser body, wherein a negative pressure device is arranged in the liquid dispenser body, the negative pressure device is operable to blow and suck liquid to be displaced, and a connecting pipe is arranged on the liquid dispenser body and is communicated with the negative pressure device; the liquid shifter also comprises: the extension tube is detachably connected to the connecting tube; the gun head is detachably connected with one end, far away from the connecting port, of the extension tube. Because the liquid transfer device also comprises the extension tube and the gun head, when the liquid transfer device body shields the position of the gun head, a section of extension tube can be added between the liquid transfer device body and the gun head, so that the position between the liquid transfer device body and the gun head is separated, more visual field angles for observation are adjusted as much as possible, and surface bubbles are sucked and removed.

However, the device still has the defects that: the device requires manual fluid extraction, and therefore reduces fluid extraction efficiency when the workload is high or the operator is tired.

Disclosure of utility model

The utility model aims at solving the problem of low automation degree in the background technology and provides a liquid discharging clamp.

The technical scheme of the utility model is as follows: a liquid discharging clamp comprises a pipette gun body, a supporting plate, a pulling rod, a sealing block and a piston;

The support plates are provided with two groups; the pipette gun body is arranged on the two groups of support plates in a sliding manner along the vertical direction, and a sliding mechanism for driving the pipette gun body to slide up and down is arranged on the support plates; the sealing block is arranged on the inner wall of the top of the pipette gun body; the pull rod passes through the sealing block and stretches into the pipette gun body; the piston is arranged at the bottom of the pulling rod and contacts with the inner wall of the pipette gun body, and one side of the pipette gun body is provided with a lifting mechanism for driving the pulling rod and the piston to automatically suck materials.

Preferably, the bottom of the supporting plate is provided with a self-locking roller for driving the self-locking roller to move, and one side of the supporting plate is provided with a pushing rod.

Preferably, the sliding mechanism comprises a connecting plate and an electric push rod; the electric push rod is vertically arranged in the supporting plate; one end of the connecting plate is connected with the telescopic end of the electric push rod, and the other end is connected with the side face of the pipette gun body.

Preferably, the supporting plate is provided with a cavity for accommodating the electric push rod and for the connecting plate to slide up and down.

Preferably, the top of the pulling rod is provided with a pulling block, one side of the pulling block is provided with a connecting rod, one side of the connecting rod is provided with a circular block, and the circular block is connected with the lifting mechanism.

Preferably, the lifting mechanism comprises a mounting frame, a driving motor, a bevel gear a, a bevel gear b and a threaded column; the mounting frame is vertically arranged on one group of connecting plates; the driving motor is arranged on the inner wall of the top of the mounting frame; the bevel gear a is transversely connected with an output shaft of the driving motor; the threaded column vertically extends into the mounting frame and is in threaded connection with the mounting frame, and the circular block is rotationally connected with the top of the threaded column; the bevel gear b is arranged on the peripheral wall of the threaded column, a threaded hole matched with the threaded column is formed in the bevel gear b, and the bevel gear b is meshed with the bevel gear a.

Compared with the prior art, the utility model has the following beneficial technical effects:

through the matched use of the pull rod, the piston, the mounting frame, the driving motor, the bevel gear a, the bevel gear b and the threaded column, manual operation can be reduced, the working efficiency of a laboratory is improved, an operator can automatically absorb a required liquid sample only by pressing a button or a trigger, and time and energy are saved; when liquid is sucked manually, an operator may be influenced by factors such as hand stability and pressure control, so that errors of liquid quantity are caused, and liquid can be sucked automatically through an accurate control mechanism, so that more accurate volume suction is realized, and errors are reduced.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a lifting mechanism;

Fig. 3 is a schematic view of the internal structure of the pipette gun body.

Reference numerals: 1. a pipette gun body; 2. a connecting plate; 3. a support plate; 4. an electric push rod; 5. self-locking idler wheels; 6. a push rod; 7. pulling the block; 8. pulling the rod; 9. a connecting rod; 10. a circular block; 11. a mounting frame; 12. a driving motor; 13. bevel gear a; 14. bevel gear b; 15. a threaded column; 16. a sealing block; 17. and (3) a piston.

Detailed Description

Example 1

As shown in fig. 1-3, the liquid discharging forceps provided by the utility model comprises a pipette gun body 1, a supporting plate 3, a pulling rod 8, a sealing block 16 and a piston 17;

The support plate 3 is provided with two groups, the bottom of the support plate 3 is provided with a self-locking roller 5 for driving the support plate 3 to move, and one side of the support plate 3 is provided with a push rod 6; the pipette gun body 1 is arranged on two groups of support plates 3 in a sliding manner along the vertical direction, and a sliding mechanism for driving the pipette gun body 1 to slide up and down is arranged on each support plate 3; the sliding mechanism comprises a connecting plate 2 and an electric push rod 4; the electric push rod 4 is vertically arranged in the supporting plate 3; one end of the connecting plate 2 is connected with the telescopic end of the electric push rod 4, and the other end is connected with the side surface of the pipette gun body 1; the supporting plate 3 is provided with a cavity for accommodating the electric push rod 4 and allowing the connecting plate 2 to slide up and down; the sealing block 16 is arranged on the inner wall of the top of the pipette gun body 1; the pull rod 8 passes through the sealing block 16 and extends into the pipette gun body 1; the piston 17 is arranged at the bottom of the pull rod 8 and is in contact with the inner wall of the pipette gun body 1, and one side of the pipette gun body 1 is provided with a lifting mechanism for driving the pull rod 8 and the piston 17 to automatically suck materials.

Working principle: when the automatic liquid dispenser is used, firstly, the height of the liquid dispenser gun body 1 is adjusted according to the size of a sample container, the electric push rod 4 is started, so that the connecting plate 2 and the liquid dispenser gun body 1 are driven to move up and down, after the liquid dispenser gun body moves to a proper position, the electric push rod 4 is stopped, then the driving motor 12 is started, the driving motor 12 can drive the bevel gear a13 to rotate, the bevel gear b14 and the bevel gear a13 are meshed, so that the bevel gear b14 and the threaded column 15 are driven to rotate, the threaded column 15 is driven to move up and down due to the fact that the threaded hole matched with the threaded column 15 is formed in the bevel gear b14, and the pulling block 7, the pulling rod 8, the connecting rod 9, the circular block 10 and the piston 17 are driven to move up and down simultaneously when the piston 17 and the pulling block 7 move up, liquid can be sucked, when the piston 17 and the pulling block 7 move down, the sucked liquid can be lofted, so that the working efficiency can be improved, and the manual working strength is reduced.

In the embodiment, through the matched use of the pull rod 8, the piston 17, the mounting frame 11, the driving motor 12, the bevel gear a13, the bevel gear b14 and the threaded column 15, manual operation can be reduced, the working efficiency of a laboratory is improved, an operator can automatically absorb a required liquid sample only by pressing a button or a trigger, and time and energy are saved; when the liquid is sucked manually, an operator may be influenced by factors such as hand stability, pressure control and the like, so that errors of the liquid amount are caused, and the liquid is sucked automatically, so that more accurate volume suction can be realized through an accurate control mechanism, and the errors are reduced; through setting up slide mechanism, through adjusting the degree of depth and the shape of pipettor, can adapt to different containers, improve the flexibility of operation, just so can avoid frequently changing the pipettor between different containers to save time and human cost.

Example two

As shown in fig. 1-2, in the liquid discharging pliers provided by the utility model, compared with the first embodiment, the top of the pulling rod 8 is provided with the pulling block 7, one side of the pulling block 7 is provided with the connecting rod 9, one side of the connecting rod 9 is provided with the circular block 10, and the circular block 10 is connected with the lifting mechanism; the lifting mechanism comprises a mounting frame 11, a driving motor 12, a bevel gear a13, a bevel gear b14 and a threaded column 15; the mounting frame 11 is vertically arranged on a group of connecting plates 2; the driving motor 12 is arranged on the inner wall of the top of the mounting frame 11; the bevel gear a13 is transversely connected with an output shaft of the driving motor 12; the threaded column 15 vertically extends into the mounting frame 11 and is in threaded connection with the mounting frame 11, and the circular block 10 is in rotary connection with the top of the threaded column 15; the bevel gear b14 is arranged on the outer peripheral wall of the threaded column 15, a threaded hole matched with the threaded column 15 is formed in the bevel gear b14, and the bevel gear b14 is meshed with the bevel gear a 13.

In the embodiment, through the matched use of the pull rod 8, the piston 17, the mounting frame 11, the driving motor 12, the bevel gear a13, the bevel gear b14 and the threaded column 15, manual operation can be reduced, the working efficiency of a laboratory is improved, an operator can automatically absorb a required liquid sample only by pressing a button or a trigger, and time and energy are saved; when liquid is sucked manually, an operator may be influenced by factors such as hand stability and pressure control, so that errors of liquid quantity are caused, and liquid can be sucked automatically through an accurate control mechanism, so that more accurate volume suction is realized, and errors are reduced.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims

1. The liquid discharging forceps are characterized by comprising a liquid transferring device gun body (1), a supporting plate (3), a pulling rod (8), a sealing block (16) and a piston (17);

Two groups of support plates (3) are arranged; the pipette gun body (1) is arranged on the two groups of support plates (3) in a sliding manner along the vertical direction, and a sliding mechanism for driving the pipette gun body (1) to slide up and down is arranged on the support plates (3); the sealing block (16) is arranged on the inner wall of the top of the pipette gun body (1); the pull rod (8) passes through the sealing block (16) and stretches into the pipette gun body (1); the piston (17) is arranged at the bottom of the pull rod (8) and is in contact with the inner wall of the pipette gun body (1), and a lifting mechanism for driving the pull rod (8) and the piston (17) to automatically suck materials is arranged on one side of the pipette gun body (1).

2. The liquid discharging pliers according to claim 1, wherein a self-locking roller (5) for driving the supporting plate (3) to move is arranged at the bottom of the supporting plate (3), and a pushing rod (6) is arranged at one side of the supporting plate (3).

3. The liquid discharge pliers according to claim 1, characterized in that the sliding mechanism comprises a connecting plate (2) and an electric push rod (4); the electric push rod (4) is vertically arranged in the supporting plate (3); one end of the connecting plate (2) is connected with the telescopic end of the electric push rod (4), and the other end is connected with the side surface of the pipette gun body (1).

4. A pair of liquid discharge pliers according to claim 3, characterized in that the supporting plate (3) is provided with a cavity for accommodating the electric push rod (4) and the connecting plate (2) to slide up and down.

5. The liquid discharge pliers according to claim 1, wherein a pulling block (7) is arranged at the top of the pulling rod (8), a connecting rod (9) is arranged on one side of the pulling block (7), a round block (10) is arranged on one side of the connecting rod (9), and the round block (10) is connected with the lifting mechanism.

6. The liquid discharge pliers according to claim 5, characterized in that the lifting mechanism comprises a mounting frame (11), a driving motor (12), a bevel gear a (13), a bevel gear b (14) and a screw column (15); the mounting frame (11) is vertically arranged on a group of connecting plates (2); the driving motor (12) is arranged on the inner wall of the top of the mounting frame (11); the bevel gear a (13) is transversely connected with an output shaft of the driving motor (12); the threaded column (15) vertically extends into the mounting frame (11) and is in threaded connection with the mounting frame (11), and the circular block (10) is rotationally connected with the top of the threaded column (15); the bevel gear b (14) is arranged on the peripheral wall of the threaded column (15), a threaded hole matched with the threaded column (15) is formed in the bevel gear b (14), and the bevel gear b (14) is meshed with the bevel gear a (13).