CN212092331U

CN212092331U - Quantitative single-channel pipettor

Info

Publication number: CN212092331U
Application number: CN201922466221.9U
Authority: CN
Inventors: 蔡学林
Original assignee: Hefei Yijing Biotechnology Co ltd
Current assignee: Hefei Yijing Biotechnology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-12-08
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a ration formula single track pipettor, including pipettor main part, concave type fixture block, straw, rubber piston and adjusting bolt, the surface portrayal of pipettor main part has the scale mark, the solution collection chamber has been seted up to the inside of pipettor main part, and the inside in solution collection chamber is provided with the push rod to the top of push rod extends to the outside of pipettor main part, the top of push rod is fixed with presses down the handle, and the bottom mounting of push rod has rubber piston, and the inside wall in chamber is collected with the solution in the outside of rubber piston closely laminates, the bottom mounting of pipettor main part has the sleeve, and telescopic both sides have seted up the regulation cavity, the fixed surface of stopper has the bracing piece, and one side of bracing piece is fixed with concave type fixture block, the straw has been cup jointed to telescopic bottom. The utility model discloses not only realize the ration function when pipettor uses, reduced the operation degree of difficulty when pipettor uses, prolonged the life of pipettor moreover.

Description

Quantitative single-channel pipettor

Technical Field

The utility model relates to a pipettor technical field specifically is a ration formula single track pipettor.

Background

Pipettes are a metering tool that moves liquid from one container to another within a certain range of measurement, and are widely used in analytical chemistry experiments because they can accurately move a certain amount of solution.

The pipettes on the market are various in types and can basically meet the use requirements of people, but certain problems still exist, and the specific problems include the following points:

1. when the traditional pipettor is used, the quantitative function of the pipettor is generally difficult to realize, so that the convenience degree of the pipettor in use is seriously influenced;

2. when the traditional pipettor is used, the clamping function of the bottom end of the pipettor and containers with different sizes is generally difficult to realize, so that the application range of the pipettor is reduced;

3. when the traditional pipettor is used, the filtering function of the pipettor is generally difficult to realize, so that the service life of the pipettor is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ration formula single track pipettor to propose the ration function that hardly realizes the pipettor among the solution above-mentioned background art, hardly realize the block function of pipettor bottom and not equidimension container and hardly realize the problem of the filtering capability of pipettor.

In order to achieve the above object, the utility model provides a following technical scheme: a quantitative single-channel pipettor comprises a pipettor main body, a concave fixture block, a suction pipe, a rubber piston and an adjusting bolt, wherein scale marks are carved on the surface of the pipettor main body, a solution collecting cavity is formed in the pipettor main body, a push rod is arranged in the solution collecting cavity, the top end of the push rod extends to the outer side of the pipettor main body, a pressing handle is fixed at the top end of the push rod, the rubber piston is fixed at the bottom end of the push rod, the outer side of the rubber piston is tightly attached to the inner side wall of the solution collecting cavity, a sleeve is fixed at the bottom end of the pipettor main body, adjusting cavities are formed in two sides of the sleeve, a limiting chute is formed in the side wall of each adjusting cavity, a limiting block is arranged in each limiting chute, a support rod is fixed on the surface of each limiting block, a concave fixture block is fixed, the bottom end of the sleeve is sleeved with a suction pipe.

Preferably, a filter tank is arranged on the inner side wall of the sleeve, a fixing piece is fixed at the top end of the filter tank, and a filter sieve is arranged between every two adjacent filter tanks.

Preferably, the outer side of the push rod is provided with an adjusting screw rod, and one end of the adjusting screw rod extends to the outer side of the liquid transfer device main body and is in threaded connection with an adjusting nut.

Preferably, the surface of the filter screen is provided with a filter screen, and two ends of the filter screen are in threaded connection with adjusting bolts, and the adjusting bolts penetrate through the filter screen and are in threaded connection with the surface of the filter screen.

Preferably, the surface of the supporting rod is in threaded connection with an adjusting screw, and the adjusting screw penetrates through the supporting rod and the limiting block and is in threaded connection with the surface of the limiting sliding groove.

Compared with the prior art, the beneficial effects of the utility model are that: the quantitative single-channel liquid transfer device not only realizes the quantitative function when the liquid transfer device is used, reduces the operation difficulty when the liquid transfer device is used, but also prolongs the service life of the liquid transfer device;

1. through the arrangement of the adjusting nut, the adjusting screw rod, the pressing handle, the push rod, the rubber piston and the scale marks, the adjusting screw rod is moved by rotating the adjusting nut, the pressing handle is pulled to drive the push rod to move at the moment, so that the rubber piston is moved, and the indication work is carried out through the scale marks on the surface of the main body of the liquid transfer device, so that the quantitative function of the liquid transfer device during use is realized, and the convenience degree of the liquid transfer device is improved;

2. the support rod, the limit block and the limit chute are loosened by rotating the adjusting screw, the limit block and the limit chute, the support rod is moved to enable the concave fixture block at one end of the support rod to be attached to the opening of the container, and the limit block and the limit chute are fixed by rotating the support rod in the reverse direction, so that the rack-taking work of the pipettor during use is realized, and the operation difficulty of the pipettor during use is reduced;

3. through being provided with and pressing down handle, straw, solution collection chamber, sleeve, filter screen and filter sieve, press down the handle through the pulling and make solution inhale to the inside in solution collection chamber along the straw, during through the sleeve, through the filter effect of filter screen and filter sieve, filter the solid in the solution, realized the filtering capability of pipettor to the life of pipettor has been prolonged.

Drawings

Fig. 1 is a schematic view of the appearance structure of the utility model;

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

fig. 3 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention;

fig. 4 is an enlarged schematic structural diagram of the position B in fig. 2 according to the present invention.

In the figure: 1. a pipette body; 2. a concave fixture block; 3. a straw; 4. a sleeve; 5. scale lines; 6. adjusting the screw rod; 7. pressing the handle; 8. a rubber piston; 9. a solution collection chamber; 10. a push rod; 11. a nut; 12. a fixing sheet; 13. a filter tank; 14. filtering and screening; 15. adjusting the bolt; 16. a filter screen; 17. a limiting chute; 18. a limiting block; 19. a support bar; 20. An adjusting screw; 21. and adjusting the cavity.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a quantitative single-channel liquid transfer device comprises a liquid transfer device main body 1, a concave clamping block 2, a suction pipe 3, a rubber piston 8 and an adjusting bolt 15, scale marks 5 are carved on the surface of the liquid transfer device main body 1, a solution collecting cavity 9 is formed in the liquid transfer device main body 1, a push rod 10 is arranged in the solution collecting cavity 9, the top end of the push rod 10 extends to the outer side of the liquid transfer device main body 1, a pressing handle 7 is fixed to the top end of the push rod 10, the rubber piston 8 is fixed to the bottom end of the push rod 10, the outer side of the rubber piston 8 is tightly attached to the inner side wall of the solution collecting cavity 9, an adjusting screw rod 6 is arranged on the outer side of the push rod 10, one end of the adjusting screw rod 6 extends to the outer side of the liquid transfer device main body 1 and is in threaded connection with;

a sleeve 4 is fixed at the bottom end of the pipette main body 1, adjusting cavities 21 are formed in two sides of the sleeve 4, filter tanks 13 are formed in the inner side wall of the sleeve 4, fixing pieces 12 are fixed at the top ends of the filter tanks 13, and filter screens 14 are arranged between the adjacent filter tanks 13 and used for filtering liquid by the filter screens 14;

the surface of filter sieve 14 is provided with filter screen 16, and the both ends threaded connection of filter screen 16 has adjusting bolt 15, and adjusting bolt 15 runs through filter screen 16 and with filter sieve 14's surface threaded connection, the surface threaded connection of bracing piece 19 has adjusting screw 20, and adjusting screw 20 runs through bracing piece 19 and stopper 18 and with the surface threaded connection of spacing spout 17, the fixed surface of stopper 18 has bracing piece 19, and one side of bracing piece 19 is fixed with concave fixture block 2, the straw 3 has been cup jointed to the bottom of sleeve 4.

The working principle is as follows: when the quantitative adjustment device is used, firstly, the adjusting screw rod 6 is moved by rotating the adjusting nut 11, at the moment, the pressing handle 7 is pulled to drive the push rod 10 to move, so that the rubber piston 8 moves, the indication work is carried out through the scale mark 5 on the surface of the liquid-moving device main body 1, so as to realize the quantitative function when the liquid-moving device is used, thereby improving the convenience degree when the liquid-moving device is used, after the quantitative adjustment is finished, the supporting rod 19, the limiting block 18 and the limiting sliding groove 17 are loosened by rotating the adjusting screw 20, the supporting rod 19 is moved to enable the concave clamping block 2 at one end of the supporting rod to be attached to the opening of a container, at the moment, the supporting rod 19 is rotated reversely to enable the limiting block 18 and the limiting sliding groove 17 to be fixed, so as to realize the clamping function of the bottom end of the liquid-moving device and containers with different sizes, when sleeve 4, through the filtering action of filter sieve 14 with filter screen 16, filter the solid in the solution to filtering capability when realizing the pipettor use, thereby prolonged the life of pipettor, when filter screen 16 need be dismantled, make filter screen 16 and filter sieve 14 relax mutually through rotation adjusting bolt 15, dismantle work this moment, the final use work of accomplishing the pipettor.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a ration formula single track pipettor, includes pipettor main part (1), concave type fixture block (2), straw (3), rubber piston (8) and adjusting bolt (15), its characterized in that: scale marks (5) are carved on the surface of the pipette main body (1), a solution collecting cavity (9) is formed in the pipette main body (1), a push rod (10) is arranged in the solution collecting cavity (9), the top end of the push rod (10) extends to the outer side of the pipette main body (1), a pressing handle (7) is fixed at the top end of the push rod (10), a rubber piston (8) is fixed at the bottom end of the push rod (10), the outer side of the rubber piston (8) is tightly attached to the inner side wall of the solution collecting cavity (9), a sleeve (4) is fixed at the bottom end of the pipette main body (1), adjusting cavities (21) are formed in two sides of the sleeve (4), a limiting sliding groove (17) is formed in the side wall of the adjusting cavity (21), a limiting block (18) is arranged in the limiting sliding groove (17), and a supporting rod (19) is fixed on the surface of the limiting block (18), the surface of the limiting block (18) is fixed with a supporting rod (19), one side of the supporting rod (19) is fixed with a concave clamping block (2), and the bottom end of the sleeve (4) is sleeved with a suction pipe (3).

2. A metered dose single channel pipette as defined in claim 1 wherein: the sleeve is characterized in that a filter tank (13) is formed in the inner side wall of the sleeve (4), a fixing piece (12) is fixed at the top end of the filter tank (13), and a filter screen (14) is arranged between every two adjacent filter tanks (13).

3. A metered dose single channel pipette as defined in claim 1 wherein: the outer side of the push rod (10) is provided with an adjusting screw rod (6), one end of the adjusting screw rod (6) extends to the outer side of the liquid transfer device main body (1) and is connected with an adjusting nut (11) in a threaded mode.

4. A metered dose single channel pipette as defined in claim 2 wherein: the surface of the filter screen (14) is provided with a filter screen (16), two ends of the filter screen (16) are in threaded connection with adjusting bolts (15), and the adjusting bolts (15) penetrate through the filter screen (16) and are in threaded connection with the surface of the filter screen (14).

5. A metered dose single channel pipette as defined in claim 1 wherein: the surface of the supporting rod (19) is in threaded connection with an adjusting screw (20), and the adjusting screw (20) penetrates through the supporting rod (19) and the limiting block (18) and is in threaded connection with the surface of the limiting sliding groove (17).