CN218573691U

CN218573691U - Pipette convenient to absorb solution

Info

Publication number: CN218573691U
Application number: CN202222153797.1U
Authority: CN
Inventors: 陈汝祝; 陈华
Original assignee: Jiangsu Huaou Glass Co ltd
Current assignee: Jiangsu Huaou Glass Co ltd
Priority date: 2022-08-16
Filing date: 2022-08-16
Publication date: 2023-03-07
Anticipated expiration: 2032-08-16

Abstract

The utility model discloses a pipette convenient to absorb solution, including shell body, storage container, extraction tube, the shell body is installed on the storage container top, the extraction tube is installed in the storage container bottom, the inner wall fixedly connected with pump bowl and the flow valve body of shell body, and the pump bowl is located directly over the flow valve body, the beneficial effects of the utility model are that, this device is at the in-process of work, and the shell body through setting up, storage container, extraction tube, flow valve body, the pump bowl between mutually support and be connected, can extract and output solution, through the last chamber of ventilating that sets up, the chamber of ventilating down, the lifter, the use of mutually supporting between the toper case to can control the speed of breathing in and giving vent to anger, control the speed of solution extraction and output promptly, rational in infrastructure, easy operation, the speed of convenient control solution absorption or dropping liquid is absorbed.

Description

Pipette convenient to absorb solution

Technical Field

The utility model relates to a pipette technical field, concretely relates to pipette convenient to absorb solution.

Background

The pipette is a measuring instrument for accurately taking a certain volume of solution and is also a measuring instrument only used for measuring the volume of the solution discharged by the pipette.

The utility model discloses a pipette convenient to absorb solution, including the pipette body, the pipette body is gone up to slide and is provided with the sleeve pipe, is provided with the rubber sleeve on the sleeve pipe, and the sleeve pipe passes through screw knob and this body coupling of pipette, and the intraductal support ring that is provided with of cover is provided with the rubber tube on the support ring, is provided with hollow rubber ball on the rubber tube, is provided with sealed lid on the rubber tube, and sealed lid covers on the sleeve pipe. According to the pipette convenient for absorbing the solution, the rubber tube is extruded through the extrusion block, the air flow channel of the rubber tube is compressed, so that slow liquid absorption can be performed, the fine adjustment effect is achieved, the hollow rubber ball on the sleeve is connected with the pipette body through the connection of the threaded knob, the stability can be improved, and the service life is prolonged;

this device is through extrusion piece extrusion rubber tube when using control the air runner, realizes the speed of imbibition, and wherein, simple extrusion can't make the rubber tube totally enclosed, leads to moving the liquid in-process and appear spilling, simultaneously, the hollow rubber ball extrudees the back and can't recover automatically easily, leads to unable imbibition to the influence normally moves the liquid.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a pipette convenient to absorb solution, the utility model discloses a realize through following technical scheme.

The utility model provides a pipette convenient to absorb solution, includes shell body, storage container, suction tube, the shell body is installed on the storage container top, the suction tube is installed in the storage container bottom, the inner wall fixedly connected with air pump and the flow valve body of shell body, and the air pump is located directly over the flow valve body, the inside sliding connection of air pump has the piston, the top fixedly connected with pull rod and the second spring of piston, and the second spring housing is established outside the pull rod, the pull rod runs through the one end fixedly connected with pull ring of shell body, the exhaust hole has been seted up at the top of shell body, the inside of flow valve body has been seted up and has been ventilated the chamber and ventilate the chamber down, and ventilate the chamber and communicate with each other with the chamber of ventilating down, the surface through connection of flow valve body has the extrusion pole, the one end fixedly connected with toper case of extrusion pole, the other end fixedly connected with arc extrusion seat of extrusion pole, the one end of extrusion pole has cup jointed first spring, between first spring fixed connection shell body and the arc extrusion seat.

Furthermore, the exhaust holes are distributed in an annular shape and communicated with the inside of the air pumping cylinder.

Furthermore, a pore is arranged between the upper vent cavity and the lower vent cavity, the inner wall of the pore is of a conical structure, and the upper vent cavity is sealed with the lower vent cavity through a conical valve core.

Furthermore, a second connecting pipe penetrates through the position, corresponding to the upper ventilation cavity, of the top of the flow valve body, the other end of the second connecting pipe penetrates through the bottom of the air pumping cylinder, and a first connecting pipe penetrates through the position, corresponding to the lower ventilation cavity, of the bottom of the flow valve body.

Further, storage container's top fixedly connected with top connection, first connecting pipe is connected with the top connection embedding, storage container's bottom fixedly connected with lower clutch, the suction tube is connected with the lower clutch embedding.

Furthermore, the storage container is made of transparent hard plastic, the lower connector and the upper connector are made of soft plastic, and scale marks are arranged on the outer surface of the storage container.

The beneficial effects of the utility model are that, this device is at the in-process of work, at first through the shell body that sets up, storage container, the suction tube, the flow valve body, mutually support between the air pump cylinder and connect, can extract and export solution, through the last chamber of ventilating that sets up, the chamber of ventilating down, the lifter, the use of mutually supporting between the toper case to can control the speed of breathing in and giving vent to anger, control the speed of solution extraction and output promptly, and is rational in infrastructure, and easy operation conveniently controls the speed that solution absorbs or the dropping liquid.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some examples of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1: the utility model discloses a structure diagram of a pipette convenient for absorbing solution;

FIG. 2 is a schematic diagram: the internal schematic diagram of the shell body of the utility model;

FIG. 3: FIG. 2 shows a partial enlarged view at A;

FIG. 4: the structure of the storage container is schematically shown.

The reference numbers are as follows:

1. an outer housing; 101. an exhaust hole;

2. a storage container; 201. a lower joint; 202. an upper joint;

3. an extraction tube;

4. a flow valve body; 401. an upper vent lumen; 402. a lower vent chamber; 403. an extrusion stem; 404. a conical valve core; 405. an arc-shaped extrusion seat; 406. a first spring; 407. a first connecting pipe; 408. a second connection pipe;

5. an air pump cylinder; 501. a piston; 502. a pull rod; 503. a pull ring; 504. a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-4, the present invention has the following embodiments.

Example (b):

the utility model provides a pipette convenient to absorb solution, including shell body 1, storage container 2, the extraction tube 3, shell body 1 is installed on 2 tops of storage container, the extraction tube 3 is installed in 2 bottoms of storage container, the inner wall fixedly connected with air extractor 5 and the flow valve body 4 of shell body 1, and air extractor 5 is located directly over the flow valve body 4, the inside sliding connection of air extractor 5 has piston 501, top fixedly connected with pull rod 502 and second spring 504 of piston 501, and second spring 504 cover is established outside pull rod 502, pull rod 502 runs through the one end fixedly connected with pull ring 503 of shell body 1, exhaust hole 101 has been seted up at the top of shell body 1, upper ventilation chamber 401 and lower ventilation chamber 402 have been seted up to the inside of flow valve body 4, and upper ventilation chamber 401 communicates with each other with lower ventilation chamber 402, the surface through connection of flow valve body 4 has extrusion rod 403, the one end fixedly connected with toper case 404 of extrusion rod 403, the other end fixedly connected with arc extrusion seat 405 of extrusion rod 403, first spring 406 has been cup jointed to the one end of extrusion rod 403, first spring 406 fixedly connected with between arc extrusion seat 405.

By adopting the technical scheme, when the device is used, firstly, the outer shell 1 is held by a thumb and a middle finger, a forefinger is inserted into the pull ring 503 to be pulled, the pull ring 503 pulls the piston 501 to move in the air pumping cylinder 5 through the pull rod 502, so that the air pumping cylinder 5 can suck air, the air pumping cylinder 5 is communicated with the flow valve body 4 through the second connecting pipe 408, the flow valve body 4 is communicated with the storage container 2 through the first connecting pipe 407, the storage container 2 is communicated with the suction pipe 3, so that the air can be sucked to extract a solution, in the extraction process, the arc-shaped extrusion seat 405 can be pressed through the extrusion rod 403, the arc-shaped extrusion seat 405 extrudes the conical valve core 404, the conical valve core 404 is controlled to close a gap between the upper ventilation cavity 401 and the lower ventilation cavity 402, the deeper pressing is realized, the gap of the gap is smaller, the air flow speed can be further controlled, the solution dripping speed can be controlled, the structure is reasonable, the operation is simple, and the solution dripping speed can be conveniently controlled.

Specifically, the exhaust holes 101 are distributed in a plurality of annular shapes, and the exhaust holes 101 are communicated with the inside of the air pumping cylinder 5.

Through adopting above-mentioned technical scheme, the exhaust hole 101 that sets up can make pump bowl 5 inside communicate with each other with the shell body 1 outside, and the inside gas outgoing of pump bowl 5 of being convenient for is convenient for inhale through pump bowl 5 and is extracted liquid.

Specifically, a pore is arranged between the upper vent cavity 401 and the lower vent cavity 402, the inner wall of the pore is of a conical structure, and the upper vent cavity 401 is sealed with the lower vent cavity 402 through a conical valve core 404.

Through adopting above-mentioned technical scheme, the hole that sets up between last cavity 401 of ventilating and the cavity 402 of ventilating down can be convenient for the circulation of gas, and the toper case 404 that sets up simultaneously can be closed the hole, and simultaneously, the degree of depth that toper case 404 embedded is darker, and the gap in its hole is less to adjust the speed of air current through the degree of depth of control toper case 404 embedding, can control the speed of imbibition or drippage promptly.

Specifically, the top of the flow valve body 4 is connected to a second connecting pipe 408 through a position corresponding to the upper ventilation cavity 401, the other end of the second connecting pipe 408 is connected to the bottom of the air pump 5 through a position, and the bottom of the flow valve body 4 is connected to a first connecting pipe 407 through a position corresponding to the lower ventilation cavity 402.

Through adopting above-mentioned technical scheme, the second connecting pipe 408 of setting can make intercommunication each other between flow valve body 4 and the air extractor 5, and the first connecting pipe 407 of setting can make intercommunication between flow valve body 4 and the storage container 2.

Specifically, the top end of the storage container 2 is fixedly connected with an upper joint 202, the first connecting pipe 407 is connected with the upper joint 202 in an embedded manner, the bottom end of the storage container 2 is fixedly connected with a lower joint 201, and the suction pipe 3 is connected with the lower joint 201 in an embedded manner.

Specifically, the storage container 2 is made of transparent hard plastic, the lower joint 201 and the upper joint 202 are made of soft plastic, and scale marks are arranged on the outer surface of the storage container 2.

Through adopting above-mentioned technical scheme, storage container 2 makes through transparent hard plastic material and can observe its inside liquid level, and the solution volume that the scale mark that 2 surfaces of storage container set up can accurate control and take out, and lower clutch 201 and top connection 202 make through the soft plastic material, can be convenient for insert suction tube 3 and first connecting pipe 407.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a pipette convenient to absorb solution, includes shell body (1), storage container (2), pipette (3), its characterized in that: the outer shell (1) is arranged at the top end of the storage container (2), the suction pipe (3) is arranged at the bottom end of the storage container (2), the inner wall of the outer shell (1) is fixedly connected with an air suction cylinder (5) and a flow valve body (4), and the air extracting cylinder (5) is positioned right above the flow valve body (4), the interior of the air extracting cylinder (5) is connected with a piston (501) in a sliding way, the top of the piston (501) is fixedly connected with a pull rod (502) and a second spring (504), the second spring (504) is sleeved outside the pull rod (502), one end of the pull rod (502) penetrating through the outer shell (1) is fixedly connected with a pull ring (503), the top of the outer shell (1) is provided with an exhaust hole (101), an upper vent cavity (401) and a lower vent cavity (402) are arranged in the flow valve body (4), the upper vent cavity (401) is communicated with the lower vent cavity (402), the outer surface of the flow valve body (4) is connected with a squeezing rod (403) in a penetrating way, one end of the extrusion rod (403) is fixedly connected with a conical valve core (404), the other end of the extrusion rod (403) is fixedly connected with an arc-shaped extrusion seat (405), one end of the extrusion rod (403) is sleeved with a first spring (406), the first spring (406) is fixedly connected between the outer shell (1) and the arc-shaped extrusion seat (405).

2. A pipette for facilitating the aspiration of a solution according to claim 1, in which: the exhaust holes (101) are distributed in an annular shape, and the exhaust holes (101) are communicated with the inside of the air suction cylinder (5).

3. The pipette for facilitating the aspiration of a solution of claim 1 wherein: a pore is arranged between the upper vent cavity (401) and the lower vent cavity (402), the inner wall of the pore is of a conical structure, and the upper vent cavity (401) is sealed with the lower vent cavity (402) through a conical valve core (404).

4. The pipette for facilitating the aspiration of a solution of claim 1 wherein: the top of the flow valve body (4) is connected with a second connecting pipe (408) in a penetrating manner at a position corresponding to the upper ventilation cavity (401), the other end of the second connecting pipe (408) penetrates through the bottom of the air suction cylinder (5), and the bottom of the flow valve body (4) is connected with a first connecting pipe (407) in a penetrating manner at a position corresponding to the lower ventilation cavity (402).

5. The pipette of claim 4 wherein: the top fixedly connected with top connection (202) of storage container (2), first connecting pipe (407) is connected with top connection (202) embedding, the bottom fixedly connected with lower clutch (201) of storage container (2), suction tube (3) are connected with lower clutch (201) embedding.

6. A pipette for facilitating the aspiration of a solution according to claim 5, in which: storage container (2) are transparent hard plastic material, lower clutch (201) and top connection (202) are soft plastic material, the surface of storage container (2) is provided with the scale mark.