CN218421414U - Suction filtration device - Google Patents

Abstract

The utility model relates to a suction filtration device, including the erlenmeyer flask that is used for collecting, its characterized in that: the device also comprises a filter base for temporarily storing the raw materials, a filter cup and a poke rod for assisting the raw material suction filtration process, wherein an air outlet pipe is arranged on the side surface of the conical flask, the opening at the upper end of the conical flask is connected with the filter base, the filter cup is arranged outside the upper end of the filter base, the filter base and the outside of the filter cup are fixedly sealed through a clamping device, and filter paper is pasted on the upper surface of the filter base; install central revolving stage between filter seat upper surface and the filter paper, evenly install four poker rods on the central revolving stage, the poker rod passes through the fitting piece and connects central revolving stage, and the pivot is installed to central revolving stage axle center position lower extreme, and the pivot runs through interior filter plate and is located filter seat axle center position, and the pivot is close to the tip down and evenly installs three heliciform negative pressure plate, is located negative pressure plate upper end filter seat internally mounted and has first baffle for solve present suction filtration equipment and have the technical problem that the problem influences work efficiency that the resorption exists.

Description

Suction filtration device

Technical Field

The utility model relates to a chemistry experiment field, concretely relates to suction filtration device.

Background

In the chemistry experiment, to the sample that is difficult to realize solid-liquid separation through the filtration mode under the ordinary pressure, utilize the aspiration pump to carry out the suction filtration to the sample usually, make the pressure difference of psammitolite funnel both sides increase, thereby realize solid-liquid separation's purpose, suction filtration device commonly used at present only includes the psammitolite funnel, the suction flask, air exhaust device, the suction flask is mostly glassware, for one kind of flask, it has a lateral suction filter to open in mouth of pipe department, be used for connecting evacuating device, install the psammitolite funnel on the suction flask, just form a simple and easy suction filtration device, when using, bleed through the vacuum pump suction nozzle, make the inside formation vacuum of suction flask, thereby inhale the suction flask with the liquid of psammitolite funnel the inside, and the solid is stayed on filter paper, realize solid-liquid separation.

In the current commonly used suction filtration equipment, the raw materials are blocked and filtered through filter paper, and the liquid precipitation mode of the negative pressure suction method is that the liquid at the upper end moves downwards after the lower end is firstly precipitated under the action of force, and then passes through the filter paper, in the process, the liquid at the upper end is firstly precipitated after the liquid is re-absorbed by the drying raw materials at the lower end, and the precipitation effect and efficiency are influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a suction filtration device to there is the technical problem that the resorption problem influences work efficiency in solving present suction filtration equipment.

The utility model discloses a suction filtration device adopts following technical scheme: comprising a conical flask for collection, characterized in that: the device comprises a conical bottle, a filter base, a filter cup and a poking rod, wherein the filter base is used for temporarily storing raw materials, the poking rod is used for assisting the raw material suction filtration process, an air outlet pipe is arranged on the side surface of the conical bottle, a bottle opening at the upper end of the conical bottle is connected with the filter base, the filter cup is arranged outside the upper end of the filter base, the filter base and the outside of the filter cup are fixedly sealed through a clamping device, and filter paper is pasted on the upper surface of the filter base; strain the seat upper surface with install central revolving stage between the filter paper, evenly install four on the central revolving stage the poker rod, the poker rod passes through the fitting piece and connects the central revolving stage, central revolving stage axle center position lower extreme installs the pivot, the pivot runs through interior filter plate and is located strain a axle center position, the pivot is close to the tip down and evenly installs three helicine negative pressure plate, is located negative pressure plate upper end strain a seat internally mounted and have first baffle, be located the negative pressure plate lower extreme strain a seat internally mounted and have the second baffle, first baffle with the second baffle is semicircular structure, just first baffle with strain a complex opening in the left side, the second baffle with strain a complex opening on the right side, the speed reduction piece is installed to pivot central point.

Further, poke rod one end is stretched into inside the center revolving stage, just the poke rod is located driven gear is installed to the inside one end of center revolving stage, driven gear with interior filter plate upper surface friction cooperation utilizes the friction of driven gear with interior filter plate upper end to when center revolving stage drives the poke rod rotation, make driven gear and interior filter plate take place relative motion, make the poke rod when receiving the revolution, produce the rotation power, can carry out one to the filter paper that the upper end subsides and turn, make the raw materials of upper end driven the production motion, improve the effect of appearing at suction filtration in-process liquid.

Furthermore, a speed reducing part on the rotating shaft is a planetary gear set.

Further, the negative pressure board links firmly the pivot, just the negative pressure board upper and lower extreme with first baffle, the close cooperation of second baffle, three negative pressure board forms relative phase difference to when there is the negative pressure in the lower extreme, can utilize the cooperation of first baffle, second baffle and negative pressure board, make the negative pressure board take place pressure differential between positive and negative pressure, thereby form the revolving force, so drive the pivot rotation, provide power for the poker rod.

Further, the poke rod is connected with the inner filter plate in a sliding mode.

The beneficial effects of the utility model are that: the utility model discloses a lower extreme on the negative pressure board with first baffle, the close cooperation of second baffle, three negative pressure board forms relative phase difference, thereby when there is the negative pressure in the lower end, can utilize first baffle, the cooperation of second baffle and negative pressure board, make the negative pressure board take place pressure differential between the positive negative pressure, thereby form the revolving force, so it is rotatory to drive the pivot, provide power for the poker rod, utilize the power of poker rod, thereby when central revolving stage drives the poker rod rotation, make passive gear and inner filter plate take place relative motion, make the poker rod when receiving the revolution, produce the rotation power, can carry out one to the filter paper that the upper end subsides were applied and turn, make the raw materials of upper end driven the production motion, improve the effect of appearing at suction filtration in-process liquid.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural view of an embodiment of a suction filtration device of the present invention;

FIG. 2 is a schematic view of the explosion structure of the filter base and the filter cup of the suction filtration device of the present invention;

fig. 3 is a schematic view of the internal structure of the filtering base of the suction filtration device of the present invention;

FIG. 4 is a front view of a filter base of the suction filtration device of the present invention;

fig. 5 is a schematic structural view of the connection relationship between the driven gear and the poke rod of the suction filtration device of the present invention.

In the figure: 1. a conical flask; 2. an air outlet pipe; 3. a filter base; 4. a filter bowl; 5. an inner filter plate; 6. a central turntable; 7. a poke rod; 8. a first baffle plate; 9. a second baffle; 10. a rotating shaft; 11. a negative pressure plate; 12. a driven gear; 13. and (6) filtering the paper.

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.

The utility model discloses an embodiment of suction filtration device, as shown in fig. 1 to 5, including the erlenmeyer flask 1 that is used for collecting, its characterized in that: the device is characterized by further comprising a filter base 3 for temporarily storing raw materials, a filter cup 4 and a poke rod 7 for assisting the raw material suction filtration process, wherein an air outlet pipe 2 is arranged on the side surface of the conical flask 1, the mouth of the upper end of the conical flask 1 is connected with the filter base 3, the filter cup 4 is arranged outside the upper end of the filter base 3, the filter base 3 and the filter cup 4 are fixedly sealed through a clamping device, and filter paper 13 is pasted on the upper surface of the filter base 3; install central revolving stage 6 between filter seat 3 upper surface and the filter paper 13, evenly install four poker rods 7 on the central revolving stage 6, poker rod 7 passes through the fitting piece and connects central revolving stage 6, pivot 10 is installed to 6 axle center position lower extremes of central revolving stage, pivot 10 runs through interior filter plate 5 and is located and strains 3 axle center positions of seat, pivot 10 is close to lower tip part and evenly installs three helicine negative pressure plate 11, it has first baffle 8 to be located negative pressure plate 11 upper end and strain 3 internally mounted of seat, it has second baffle 9 to be located 11 lower extreme of negative pressure plate and strain 3 internally mounted of seat, first baffle 8 and second baffle 9 are semicircular structure, and first baffle 8 and the complex opening of filter seat 3 are on the left side, second baffle 9 and the complex opening of filter seat 3 are on the right side, the speed reduction spare is installed to pivot 10 central point.

Furthermore, one end of the poke rod 7 extends into the central rotary table 6, one end of the poke rod 7, which is positioned in the central rotary table 6, is provided with the driven gear 12, the driven gear 12 is in friction fit with the upper surface of the inner filter plate 5, and the friction between the driven gear 12 and the upper end of the inner filter plate 5 is utilized, so that the driven gear 12 and the inner filter plate 5 move relatively when the central rotary table 6 drives the poke rod 7 to rotate, the poke rod 7 is prompted to generate a rotation force while being revolved, the filter paper 13 pasted on the upper end can be turned, the raw material on the upper end is prompted to be driven to move, and the precipitation effect of liquid in the suction filtration process is improved; the speed reducer on the rotating shaft 10 is a planetary gear set; the negative pressure plate 11 is fixedly connected with the rotating shaft 10, the upper end and the lower end of the negative pressure plate 11 are tightly matched with the first baffle plate 8 and the second baffle plate 9, and the three negative pressure plates 11 form relative phase difference, so that when negative pressure exists at the lower end, the first baffle plate 8, the second baffle plate 9 and the negative pressure plate 11 are matched to promote the negative pressure plate 11 to generate pressure difference between positive pressure and negative pressure so as to form rotating force, thereby driving the rotating shaft 10 to rotate and providing power for the poke rod 7; the poke rod 7 is connected with the inner filter plate 5 in a sliding way.

The working principle is as follows: the air outlet pipe 2 is not connected with an external vacuum pump, the filter paper 13 is placed on the upper side of the inner filter plate 5, the filter base 3 and the filter cup 4 are clamped tightly by a clamp, the raw materials are poured into the filter cup 4, the vacuum pump is started, negative pressure is formed inside the conical flask 1, the upper end of the filter cup 4 is positive pressure and the gravity of the raw materials, the raw materials can be pressed downwards at the moment, filtered liquid passing through the filter paper 13 is filtered, meanwhile, the relative phase difference is formed by the three negative pressure plates 11, when negative pressure exists at the lower end, the first baffle plate 8, the second baffle plate 9 and the negative pressure plates 11 can be matched, so that the negative pressure plates 11 generate pressure difference between the positive pressure and the negative pressure, a rotating force is formed, the rotating shaft 10 is driven to rotate, the poking rod 7 is powered, the poking rod 7 is driven to rotate by the power of the poking rod 7, the driven gear 12 and the inner filter plate 5 relatively move, the poking rod 7 is driven to generate a self-rotating force while the poking rod 13 is attached to generate a turning motion, the raw materials are driven to generate a relative motion, the rolling motion, and the raw materials are prevented from being sucked and separated out in the drying process of the raw materials.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. Suction filtration device comprising a erlenmeyer flask (1) for collection, characterized in that: the device is characterized by also comprising a filter base (3) for temporarily storing raw materials, a filter cup (4) and a poke rod (7) for assisting the raw material suction filtration process, wherein an air outlet pipe (2) is arranged on the side surface of the conical flask (1), the upper end opening of the conical flask (1) is connected with the filter base (3), the filter cup (4) is arranged outside the upper end of the filter base (3), the filter base (3) and the filter cup (4) are fixedly sealed through a clamping device, and filter paper (13) is pasted on the upper surface of the filter base (3); strain seat (3) upper surface with install central revolving stage (6) between filter paper (13), evenly install four on central revolving stage (6) poker rod (7), poker rod (7) are connected through the fitting piece central revolving stage (6), pivot (10) are installed to central revolving stage (6) axle center position lower extreme, filter plate (5) and be located in pivot (10) run through filter seat (3) axle center position, pivot (10) are close to lower tip part and evenly install three helicine negative pressure board (11), are located negative pressure board (11) upper end it has first baffle (8) to strain seat (3) internally mounted, are located negative pressure board (11) lower extreme it has second baffle (9) to strain seat (3) internally mounted, first baffle (8) with second baffle (9) are semicircular structure, just first baffle (8) with strain seat (3) complex opening in the left side, second baffle (9) with strain seat (3) complex opening in the right side, pivot (10) are installed and are slowed down the piece.

2. A suction filtration device according to claim 1 wherein: poke rod (7) one end stretch into inside central revolving stage (6), just poke rod (7) are located driven gear (12) are installed to the inside one end of central revolving stage (6), driven gear (12) with interior filter plate (5) upper surface friction fit.

3. A suction filtration apparatus as claimed in claim 1, wherein: and a speed reducing part on the rotating shaft (10) is a planetary gear set.

4. A suction filtration apparatus as claimed in claim 1, wherein: the negative pressure plate (11) is fixedly connected with the rotating shaft (10), and the upper end and the lower end of the negative pressure plate (11) are tightly matched with the first baffle plate (8) and the second baffle plate (9).

5. A suction filtration apparatus as claimed in claim 1, wherein: the poke rod (7) is connected with the inner filter plate (5) in a sliding way.

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