CN216727323U

CN216727323U - Novel micro pipette

Info

Publication number: CN216727323U
Application number: CN202220379142.3U
Authority: CN
Inventors: 吴卫阳
Original assignee: XIAMEN YUNPENG SCIENCE AND TECHNOLOGY DEVELOPMENTCO Ltd
Current assignee: XIAMEN YUNPENG SCIENCE AND TECHNOLOGY DEVELOPMENTCO Ltd
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-06-14
Anticipated expiration: 2032-02-24

Abstract

The utility model discloses a novel micropipette, which comprises a base tube, wherein a liquid storage tube is arranged at the bottom end of the base tube, the top end of the liquid storage tube is communicated with the bottom end of the base tube, a liquid suction tube is arranged at the bottom end of the liquid storage tube, the top end of the liquid suction tube is communicated with the bottom end of the liquid storage tube, the novel micropipette can drive the base tube, the liquid storage tube and the liquid suction tube to extract a solution through an adjusting unit, a connecting rod and a piston plate, and can accurately complete the micro-pipetting work of the novel micropipette in the process of pipetting, the novel micropipette can move more conveniently through a holding rod, so that the moving convenience of the novel micropipette can be improved, the anti-skidding effect of the holding rod can be improved through anti-skidding lines, the holding effect of the novel micropipette is more stable, and the sealing effect of the matched installation of the piston plate and the base tube plate can be improved through a sealing ring, thereby make this novel pipette of trace's liquid removal effect more stable.

Description

Novel micro pipette

Technical Field

The utility model relates to the technical field of pipettes, in particular to a novel trace pipette.

Background

A meter for accurately removing a volume of solution. A pipette is a type of measurement instrument that is used only to measure the volume of solution it emits. It is a slender glass tube with an expansion part in the middle. The lower end of the tube body is in a sharp mouth shape, and a marked line is carved at the neck of the tube body at the upper end and is a mark for obtaining the accurate volume. Common pipettes are of 5, 10, 25, 50 and 75 gauge. The straight glass tube with the scale is also commonly referred to as a pipette (see fig. 1). Commonly used pipettes have 1, 2, 5, and 10mL specifications. The volume removed by the pipette and pipette can typically be accurate to 0.01 mL. However, when the existing pipette is used for pipetting, the operation is inconvenient, and the volume of the solution discharged cannot be controlled, so that the novel micropipette is provided.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the prior art, the utility model discloses a novel micro pipette, which adopts the technical scheme that the novel micro pipette comprises a base tube, wherein a liquid storage tube is arranged at the bottom end of the base tube, the top end of the liquid storage tube is communicated with the bottom end of the base tube, a liquid suction tube is arranged at the bottom end of the liquid storage tube, the top end of the liquid suction tube is communicated with the bottom end of the liquid storage tube, a fixed plate is arranged at the top end of the outer side surface of the base tube, the fixed plate is an L-shaped plate, a storage battery is arranged at the right end of the lower surface of the fixed plate, two mounting plates are uniformly arranged on the right side surface of the inner cavity of the fixed plate, the lower surface of one mounting plate is fixedly connected with the lower surface of the inner cavity of the fixed plate, an adjusting motor is arranged on the upper surface of the other mounting plate, an adjusting rod is arranged between the two mounting plates, two ends of the adjusting rod are respectively rotatably connected with the inner surfaces of the two mounting plates, and one end of the adjusting rod passes through the upper surfaces of the mounting plates and is fixedly connected with an output shaft of the adjusting motor, the lateral surface of adjusting the pole is equipped with the regulating block, the screw of regulating block upper surface and the lateral surface cooperation screw thread installation of adjusting the pole, the left surface fixedly connected with connecting rod of regulating block, the connecting rod is "L" shape pole, the other end of connecting rod extends to the inside and the fixedly connected with piston plate of parent tube, the lateral surface of piston plate and the inner chamber side cooperation slidable mounting of parent tube, the right flank middle part of fixed plate is equipped with the singlechip, the input of singlechip is connected with the output electricity of battery, the output of singlechip is connected with adjusting motor's input electricity.

As a preferred technical scheme, the novel micro pipette further comprises a holding rod, wherein the holding rod is arranged on the right side face of the fixing plate, and the holding rod can enable the novel micro pipette to move more conveniently.

As a preferable technical scheme, the anti-slip holding rod further comprises anti-slip lines, wherein the anti-slip lines are arranged in the middle of the outer side face of the holding rod, and the anti-slip effect of the holding rod can be improved through the anti-slip lines.

As a preferred technical scheme of the utility model, the novel micropipette comprises a scale plate, wherein the scale plate is uniformly arranged on the outer side surface of the base tube, and an operator can observe the liquid transfer amount of the novel micropipette through the scale plate.

As a preferred technical scheme of the utility model, the improved piston type oil pump further comprises a sealing ring, wherein the sealing ring is arranged on the outer side surface of the piston plate, the outer side surface of the sealing ring is matched and hermetically installed with the side surface of the inner cavity of the base pipe, and the sealing effect of the matched installation of the piston plate and the base pipe can be improved through the sealing ring.

The utility model has the beneficial effects that: this novel micropipette of trace can drive the parent tube through adjusting the unit, connecting rod and piston plate, stock solution pipe and pipette extract solution, and at the liquid-transfering in-process, the micropipette work of this novel pipette of trace can be accurate completion, can make the removal of this novel pipette of trace more convenient through the holding rod, can make the removal convenience of this novel pipette of trace promote from this, can promote the anti-skidding effect of holding rod through anti-skidding line, thereby make the effect of gripping of this novel pipette of trace more stable, can promote the sealed effect of piston plate and parent tube cooperation installation through the sealing ring, thereby make the liquid-transfering effect of this novel pipette of trace more stable.

Drawings

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

FIG. 2 is a schematic rear side view of the present invention;

FIG. 3 is a schematic front sectional view of the present invention.

In the figure: the device comprises a base pipe 1, a single chip microcomputer 2, a liquid storage pipe 3, a liquid suction pipe 4, a fixing plate 5, a storage battery 6, an adjusting unit 7, a mounting plate 71, an adjusting block 72, an adjusting rod 73, an adjusting motor 74, a holding rod 8, anti-skid patterns 9, a scale plate 10, a connecting rod 11, a piston plate 12 and a sealing ring 13.

Detailed Description

Example 1

As shown in figures 1 to 3, the utility model discloses a novel micropipette, which adopts the technical scheme that the novel micropipette comprises a base tube 1, a liquid storage tube 3 is arranged at the bottom end of the base tube 1, the top end of the liquid storage tube 3 is communicated with the bottom end of the base tube 1, a liquid suction tube 4 is arranged at the bottom end of the liquid storage tube 3, the top end of the liquid suction tube 4 is communicated with the bottom end of the liquid storage tube 3, a fixing plate 5 is arranged at the top end of the outer side surface of the base tube 1, the fixing plate 5 is an L-shaped plate, a storage battery 5 is arranged at the right end of the lower surface of the fixing plate 5, two mounting plates 71 are uniformly arranged on the right side surface of an inner cavity of the fixing plate 5, the lower surface of one mounting plate 71 is fixedly connected with the lower surface of the inner cavity of the fixing plate 5, an adjusting motor 74 is arranged on the upper surface of the other mounting plate 71, an adjusting rod 73 is arranged between the two mounting plates 71, two ends of the adjusting rod 73 are respectively rotatably connected with the inner sides of the two mounting plates 71, one end of the adjusting rod 73 passes through the upper surface of the mounting plate 71 and is fixedly connected with an output shaft of the adjusting motor 74, the outer side surface of the adjusting rod 73 is provided with an adjusting block 72, a screw hole on the upper surface of the adjusting block 72 is matched with the outer side surface of the adjusting rod 73 for threaded installation, the left side surface of the adjusting block 72 is fixedly connected with a connecting rod 11, the connecting rod 11 is an L-shaped rod, the other end of the connecting rod 11 extends into the base tube 1 and is fixedly connected with a piston plate 12, the outer side surface of the piston plate 12 is matched with the inner cavity side surface of the base tube 1 for sliding installation, the middle part of the right side surface of the fixing plate 5 is provided with a single chip microcomputer 2, the input end of the single chip microcomputer 2 is electrically connected with the output end of the storage battery 6, the output end of the single chip microcomputer 2 is electrically connected with the input end of the adjusting motor 74, the liquid suction pipe 4 extends into the solution, then the adjusting motor 74 works through the single chip microcomputer 2, the adjusting motor 74 drives the adjusting rod 73 fixedly connected with the output shaft thereof to rotate in the mounting plate 71, and the adjusting rod 73 drives the adjusting block 72 whose outer side surface is matched with the threaded installation to perform threaded transmission outside the adjusting rod 73, thereby make adjusting block 72 drive its left surface fixed connection's connecting rod 11 and connecting rod 11 other end fixed connection's piston plate 12 slide in the inside of parent tube 1 and adjust, can reduce the pressure of parent tube 1 from this, and then accessible parent tube 1, stock solution pipe 3 and pipette 4 extraction solution, thereby can be with the inside of solution suction stock solution pipe 3, lean on the tip of pipette 4 on the inner wall of beaker at last, let solution freely flow, when waiting that solution no longer flows, take pipette 4 away, can accomplish the work of this novel pipette of trace from this.

As a preferred technical scheme of the utility model, the novel micro pipette further comprises a holding rod 8, wherein the holding rod 8 is arranged on the right side surface of the fixing plate 5, and the novel micro pipette can move more conveniently through the holding rod 8, so that the moving convenience of the novel micro pipette can be improved.

As a preferred technical scheme of the utility model, the novel pipette further comprises anti-slip lines 9, the anti-slip lines 9 are arranged in the middle of the outer side surface of the holding rod 8, and the anti-slip effect of the holding rod 8 can be improved through the anti-slip lines 9, so that the holding effect of the novel pipette is more stable.

As a preferred technical scheme of the utility model, the novel micro pipette further comprises a scale plate 10, wherein the scale plate 10 is uniformly arranged on the outer side surface of the base tube 1, and an operator can observe the liquid transfer amount of the novel micro pipette through the scale plate 10, so that the use convenience of the novel micro pipette is improved.

As a preferred technical scheme of the utility model, the novel micro pipette further comprises a sealing ring 13, wherein the sealing ring 13 is arranged on the outer side surface of the piston plate 12, the outer side surface of the sealing ring 13 is matched and hermetically mounted with the side surface of the inner cavity of the base tube 1, and the sealing effect of the matched mounting of the piston plate 12 and the base tube 1 can be improved through the sealing ring 13, so that the pipetting effect of the novel micro pipette is more stable.

The working principle of the utility model is as follows: by extending the liquid suction pipe 4 into the solution and then operating the adjusting motor 74 through the single chip microcomputer 2, the adjusting motor 74 drives the adjusting rod 73 fixedly connected with the output shaft thereof to rotate in the mounting plate 71, so that the adjusting rod 73 drives the adjusting block 72 whose outer side surface is matched with the thread to perform thread transmission on the outer part of the adjusting rod 73, so that the adjusting block 72 drives the connecting rod 11 fixedly connected with the left side surface and the piston plate 12 fixedly connected with the other end of the connecting rod 11 to perform sliding adjustment in the base tube 1, thereby reducing the pressure intensity of the base tube 1, and then accessible parent tube 1, stock solution pipe 3 and pipette 4 extraction solution to can lean on the tip of pipette 4 on the inner wall of beaker with the inside of solution suction stock solution pipe 3 at last, let solution freely flow out, wait when solution no longer flows, take away pipette 4, can accomplish the liquid-transfering work of this novel pipette of trace from this.

The circuit connection related to the utility model is the conventional means that technicians in this field adopt, can get the technological inspiration through the limited test, belong to the existing technology used extensively, in the utility model, the one-chip computer 2 can choose DZC-9011 model of the Di Marge machinery GmbH of Dongguan city, the regulation motor 74 can choose the DDR model of Suzhou high-control technology GmbH.

Components not described in detail herein are prior art.

Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes and modifications without inventive changes may be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.

Claims

1. The novel micropipette is characterized by comprising a base pipe (1), wherein a liquid storage pipe (3) is arranged at the bottom end of the base pipe (1), the top end of the liquid storage pipe (3) is communicated with the bottom end of the base pipe (1), a liquid suction pipe (4) is arranged at the bottom end of the liquid storage pipe (3), the top end of the liquid suction pipe (4) is communicated with the bottom end of the liquid storage pipe (3), a fixing plate (5) is arranged at the top end of the outer side surface of the base pipe (1), the fixing plate (5) is an L-shaped plate, a storage battery (6) is arranged at the right end of the lower surface of the fixing plate (5), two mounting plates (71) are uniformly arranged on the right side surface of the inner cavity of the fixing plate (5), the lower surface of one mounting plate (71) is fixedly connected with the lower surface of the inner cavity of the fixing plate (5), an adjusting motor (74) is arranged on the upper surface of the other mounting plate (71), and an adjusting rod (73) is arranged between the two mounting plates (71), the two ends of the adjusting rod (73) are respectively connected with the inner side surfaces of the two mounting plates (71) in a rotating mode, one end of the adjusting rod (73) penetrates through the upper surface of the mounting plates (71) and is fixedly connected with an output shaft of the adjusting motor (74), the outer side surface of the adjusting rod (73) is provided with an adjusting block (72), a screw hole in the upper surface of the adjusting block (72) is in threaded installation with the outer side surface of the adjusting rod (73) in a matching mode, the left side surface of the adjusting block (72) is fixedly connected with a connecting rod (11), the connecting rod (11) is an L-shaped rod, the other end of the connecting rod (11) extends into the base pipe (1) and is fixedly connected with a piston plate (12), the outer side surface of the piston plate (12) is in sliding installation with the side surface of an inner cavity of the base pipe (1) in a matching mode, the middle part of the right side surface of the fixing plate (5) is provided with a single chip microcomputer (2), and the input end of the single chip microcomputer (2) is electrically connected with the output end of the storage battery (6), the output end of the singlechip (2) is electrically connected with the input end of the adjusting motor (74).

2. A novel micropipette according to claim 1, wherein: the clamping device further comprises a holding rod (8), and the holding rod (8) is arranged on the right side face of the fixing plate (5).

3. A novel micropipette according to claim 2, wherein: the anti-slip handle is characterized by further comprising anti-slip grains (9), wherein the anti-slip grains (9) are arranged in the middle of the outer side face of the holding rod (8).

4. A novel micropipette according to claim 1, wherein: the base pipe is characterized by further comprising a scale plate (10), wherein the scale plate (10) is uniformly arranged on the outer side surface of the base pipe (1).

5. A novel micropipette according to claim 1, wherein: still include sealing ring (13), the lateral surface of piston plate (12) is located in sealing ring (13), the lateral surface of sealing ring (13) and the sealed installation of the inner chamber side cooperation of parent tube (1).