CN219906981U - Accurate separating funnel - Google Patents

Abstract

The utility model discloses a precision separating funnel, which belongs to the field of separating funnels and comprises a funnel body, wherein the top and the bottom of the funnel body are respectively provided with a filling opening and a valve body end, the inside of a mounting hole is rotationally connected with a valve core, the bottom of the valve body end is fixedly connected with a coarse liquid separating pipe and a fine liquid separating pipe, the inside of the filling opening is detachably connected with an airtight pad, and the inside of the airtight pad is detachably connected with an airtight plug.

Description

Accurate separating funnel

Technical Field

The utility model relates to the field of separating funnels, in particular to a precise separating funnel.

Background

During laboratory routine testing, a separating funnel is one of the laboratory appliances that is used frequently. When the separating funnel is used for extraction separation, when the liquid is layered and the lower liquid is separated, in order to prevent the upper liquid from flowing out, the flow rate of the lower liquid needs to be controlled, so that the upper liquid is prevented from flowing out due to too high flow rate.

The existing separating funnel bottom is generally provided with only one liquid separating pipe, the inner diameter of the liquid separating pipe is not adjustable, the flow rate of liquid flowing out of the funnel body and flowing through the inner part of the liquid separating pipe is not very convenient to control, and the structure for controlling the size of air flow entering the funnel body is lacking at a sealing plug, so that the liquid flowing out of the funnel body is not very convenient to control, the accuracy in liquid separation is affected, and therefore, the precise separating funnel is provided to solve the problem.

Disclosure of Invention

1. Technical problem to be solved

The utility model aims to solve the problems in the prior art and provide a precise separating funnel, which is characterized in that two liquid separating pipes with different diameters are arranged at the bottom of a funnel body, a valve core is utilized for diversion switching, a thicker liquid separating pipe is utilized for diversion of lower-layer liquid, most of lower-layer liquid is drained, drainage time is shortened, then the thinner liquid separating pipe is utilized for diversion of the rest lower-layer liquid, the thinner liquid separating pipe can reduce the flow velocity of the liquid, the control is convenient, the liquid is prevented from being unevenly formed due to too fast flow velocity, in the process, an airtight plug on an airtight pad is rotated, the ventilation channel inside the airtight plug corresponds to ventilation holes with different sizes, the speed of external airflow entering the funnel body is controlled, and the speed of liquid falling inside the funnel body is assisted, so that the separating funnel can accurately split the upper-layer liquid and the lower-layer liquid, and the convenience of use is improved.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a precision separating funnel, includes the funnel body, funnel body top and bottom are provided with filler and valve body end respectively, the valve body end inside seted up with the inside mounting hole that is linked together of funnel body, just the inside rotation of mounting hole is connected with the case, case one side fixedly connected with handle one, valve body end bottom fixedly connected with thick liquid separation pipe and subdivision liquid pipe, the filler is inside to be dismantled and be connected with airtight pad, just airtight pad is inside to be dismantled and to be connected with airtight stopper, airtight stopper top fixedly connected with handle two.

Further, the bottom of the airtight pad is rotationally connected with the inside of the filling opening, the bottom of the airtight plug is rotationally connected with the inside of the airtight pad, a plurality of ventilation holes with different sizes are formed in one side of the outer edge of the bottom of the airtight pad, and ventilation channels are formed in the airtight plug corresponding to the largest ventilation holes.

Furthermore, the valve core is of a cylindrical structure, a diversion channel penetrating through the periphery of the valve core is formed in the valve core, a first diversion channel is formed in the valve body end corresponding to the bottom of the diversion channel, and the bottom of the first diversion channel is communicated with the inside of the rough liquid separation pipe.

Furthermore, a second drainage channel is arranged in the valve body end corresponding to the other side of the bottom of the drainage channel, and the bottom of the second drainage channel is communicated with the inside of the subdivision liquid pipe.

Further, the diameter of the inner wall of the diversion channel, the diameter of the inner wall of the first diversion channel and the diameter of the inner wall of the rough liquid separation pipe are equal, the diameter of the inner wall of the diversion channel and the diameter of the inner wall of the fine liquid separation pipe are equal, the diameter of the inner wall of the diversion channel is larger than the diameter of the inner wall of the second diversion channel, and an expansion opening is formed in the top of the second diversion channel at the joint of the diversion channel and the second diversion channel.

Furthermore, the inner wall of the mounting hole and the periphery of the valve core are of a rough surface structure, and the inner wall of the filling opening, the periphery of the bottom of the airtight pad and the periphery of the airtight plug are of a rough surface structure.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) According to the scheme, the two liquid distribution pipes with different diameters are arranged at the bottom of the funnel body, and the valve core is utilized for diversion switching, so that the flow speed of liquid can be reduced, and the control is convenient;

(2) According to the scheme, through rotating the airtight plug on the airtight pad, the ventilation channels inside the airtight plug correspond to the ventilation holes with different sizes, so that the speed of external airflow entering the funnel body is controlled, the speed of liquid falling inside the funnel body is assisted, and therefore the flow distribution accuracy of the separating funnel to upper-layer liquid and lower-layer liquid is improved, and the convenience of use is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the split structure of the airtight plug and the airtight pad of the present utility model;

FIG. 3 is a schematic cross-sectional view of the present utility model;

FIG. 4 is an enlarged schematic view of the upper portion of FIG. 3 according to the present utility model;

fig. 5 is an enlarged view of the lower part of fig. 3 according to the present utility model.

The reference numerals in the figures illustrate:

1. a funnel body; 2. a filler neck; 3. a valve body end; 301. a drainage channel I; 302. a drainage channel II; 303. expanding the opening; 4. a valve core; 401. a diversion channel; 5. a rough liquid separating pipe; 6. a fine liquid pipe; 7. an airtight pad; 701. ventilation holes; 8. an airtight plug; 801. and a ventilation channel.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Example 1:

referring to fig. 1-5, a precision separating funnel includes a funnel body 1, a filling port 2 and a valve body end 3 are respectively provided at the top and bottom of the funnel body 1, a mounting hole communicated with the interior of the funnel body 1 is provided in the valve body end 3, a valve core 4 is rotatably connected in the mounting hole, a handle I is fixedly connected to one side of the valve core 4, a rough separating pipe 5 and a fine separating pipe 6 are fixedly connected to the bottom of the valve body end 3, an airtight pad 7 is detachably connected in the filling port 2, an airtight plug 8 is detachably connected in the airtight pad 7, and a handle II is fixedly connected to the top of the airtight plug 8.

Firstly, the diversion channel 401 of the valve core 4 is rotated to a horizontal position to seal the interior of the funnel body 1, then liquid to be separated is added into the interior of the funnel body 1 through the filling opening 2, the airtight pad 7 and the airtight plug 8 are sequentially plugged into the filling opening 2, at this time, attention is paid to the fact that the ventilation channel 801 in the airtight plug 8 is aligned to one side of the airtight pad 7, on which no ventilation holes 701 are formed, and then the separating funnel is fixed through a bracket. During liquid separation, firstly, the airtight plug 8 is rotated, the ventilation channel 801 in the airtight plug 8 is aligned with the proper ventilation holes 701 on the airtight pad 7, external air flow is conveniently introduced into the funnel body 1, then the valve core 4 is rotated, the diversion channel 401 of the valve core 4 is aligned with the diversion channel one 301, most of lower-layer liquid in the funnel body 1 is led out through the rough liquid separation pipe 5, when the lower-layer liquid is left after fast flow, the ventilation channel 801 in the airtight plug 8 is aligned with one side of the airtight pad 7 without ventilation holes 701 through rotating the airtight plug 8, the inside of the funnel body 1 is sealed, then the valve core 4 is rotated, the diversion channel 401 of the valve core 4 is aligned with the diversion channel two 302, then the ventilation channel 801 in the airtight plug 8 is rotated to be aligned with the smaller ventilation holes 701 on the airtight pad 7, and the lower-layer liquid in the remaining part of the funnel body 1 is led out through the subdivision liquid pipe 6, thereby realizing the control of the diversion of the lower-layer liquid through the double structure of reducing the inside of the funnel body 1 and reducing the diversion liquid, the air inflow, the phenomenon of the upper-layer liquid and the lower-layer liquid separation caused by the excessively fast liquid flow rate is avoided, and the accurate liquid separation phenomenon is improved.

Example 2:

in view of the above embodiment 1, as further described with reference to fig. 2 and 4, the bottom of the airtight pad 7 is rotatably connected with the inside of the filling port 2, the bottom of the airtight plug 8 is rotatably connected with the inside of the airtight pad 7, a plurality of ventilation holes 701 with different sizes are formed on one side of the outer edge of the bottom of the airtight pad 7, and ventilation channels 801 are formed in the airtight plug 8 corresponding to the largest ventilation holes 701.

By rotating the airtight plug 8, the ventilation channel 801 inside the airtight plug 8 is aligned to the plurality of ventilation holes 701 with different sizes on one side of the outer edge of the bottom of the airtight pad 7, so as to control the flow rate of the air flow entering the funnel body 1 and assist in controlling the flow rate of the liquid for dispensing.

Example 3:

in view of the above embodiment 1 and embodiment 2, as further described with reference to fig. 2 and 5, the valve core 4 is in a cylindrical structure, the valve core 4 is internally provided with a diversion channel 401 penetrating through the periphery of the valve core 4, the valve body end 3 corresponding to the bottom of the diversion channel 401 is internally provided with a diversion channel one 301, the bottom of the diversion channel one 301 is communicated with the interior of the rough liquid separating tube 5, the valve body end 3 corresponding to the other side of the bottom of the diversion channel 401 is internally provided with a diversion channel two 302, the bottom of the diversion channel two 302 is communicated with the interior of the fine liquid separating tube 6, the diameters of the diversion channel 401, the diversion channel one 301 and the rough liquid separating tube 5 are equal, the diameters of the diversion channel two 302 and the fine liquid separating tube 6 are equal, the diameter of the diversion channel 401 is larger than the diameter of the inner wall of the diversion channel two 302, and the top of the diversion channel two 302 located at the joint of the diversion channel 401 and the diversion channel two 302 is provided with an expansion opening 303.

Through the case 4 of setting and set up water conservancy diversion passageway 401 in case 4 inside, utilize rotatory case 4 to switch water conservancy diversion passageway 401 and correspond different water conservancy diversion passageway one 301 or water conservancy diversion passageway two 302 to be convenient for with the inside lower floor's liquid water conservancy diversion of funnel body 1 to thick liquid separating pipe 5 or subdivision liquid pipe 6, expansion opening 303 plays the effect of increase water conservancy diversion passageway two 302 open-ended, conveniently aligns with water conservancy diversion passageway 401.

Example 4:

in view of the above embodiments 1, 2 and 3, referring to fig. 3, the inner wall of the mounting hole and the outer periphery of the valve core 4 are all of the rough surface structure, and the inner wall of the filling port 2, the outer periphery of the bottom of the airtight pad 7 and the outer periphery of the airtight plug 8 are all of the rough surface structure.

The inner wall of the mounting hole and the periphery of the valve core 4 are of the rough surface structure, the inner wall of the filling port 2, the periphery of the bottom of the airtight pad 7 and the periphery of the airtight plug 8 are of the rough surface structure, so that the tightness of the joint is improved, and the phenomenon of air leakage is prevented.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (6)

1. The utility model provides a precision separating funnel, includes funnel body (1), its characterized in that: the utility model discloses a funnel, including funnel body (1), valve body (2), valve body end (3) inside offer with the inside mounting hole that is linked together of funnel body (1), just inside rotation in mounting hole is connected with case (4), case (4) one side fixedly connected with handle one, valve body end (3) bottom fixedly connected with thick liquid dividing pipe (5) and subdivision liquid pipe (6), be connected with airtight pad (7) inside dismantling of filling port (2), just airtight pad (7) inside detachable connection has airtight stopper (8), airtight stopper (8) top fixedly connected with handle two.

2. The precision separating funnel of claim 1, wherein: the bottom of the airtight pad (7) is rotationally connected with the inside of the filling opening (2), the bottom of the airtight plug (8) is rotationally connected with the inside of the airtight pad (7), a plurality of ventilation holes (701) with different sizes are formed in one side of the outer edge of the bottom of the airtight pad (7), and ventilation channels (801) are formed in the airtight plug (8) corresponding to the largest ventilation holes (701).

3. The precision separating funnel of claim 1, wherein: the valve core (4) is of a cylindrical structure, a diversion channel (401) penetrating through the periphery of the valve core (4) is formed in the valve core (4), a first diversion channel (301) is formed in the valve body end (3) corresponding to the bottom of the diversion channel (401), and the bottom of the first diversion channel (301) is communicated with the interior of the thick liquid separation pipe (5).

4. A precision separating funnel according to claim 3, wherein: a second drainage channel (302) is arranged in the valve body end (3) corresponding to the other side of the bottom of the diversion channel (401), and the bottom of the second drainage channel (302) is communicated with the inside of the subdivision liquid pipe (6).

5. The precision separating funnel of claim 4, wherein: the drainage device comprises a drainage channel I (301) and a rough liquid separation pipe (5), wherein the diameter of the inner wall of the drainage channel I is equal to that of the inner wall of the rough liquid separation pipe (5), the diameter of the inner wall of the drainage channel II (302) is equal to that of the inner wall of the fine liquid separation pipe (6), the diameter of the inner wall of the drainage channel I (401) is larger than that of the inner wall of the drainage channel II (302), and an expansion opening (303) is formed in the top of the drainage channel II (302) at the joint of the drainage channel I (401) and the drainage channel II (302).

6. The precision separating funnel of claim 1, wherein: the inner wall of the mounting hole and the periphery of the valve core (4) are of a rough surface structure, and the inner wall of the filling opening (2), the periphery of the bottom of the airtight pad (7) and the periphery of the airtight plug (8) are of a rough surface structure.