CN214763764U

CN214763764U - Water sample pretreatment rapid filtering device for environmental monitoring laboratory

Info

Publication number: CN214763764U
Application number: CN202121297961.5U
Authority: CN
Inventors: 赵维梅; 侯喜程; 由洋
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2021-11-19
Anticipated expiration: 2031-06-10

Abstract

The utility model relates to the technical field of water sample pretreatment, in particular to a rapid filtering device for water sample pretreatment in environmental monitoring laboratories, which comprises a box body, a roller shaft and a turntable, wherein the bottom space in the box body separates a filtering chamber and a waste chamber, one end of the turntable is rotatably connected with the outer wall of one side of the box body, one side in the box body is fixedly provided with a transmission mechanism, one end of the roller shaft is fixedly connected with the transmission mechanism and the other end of the roller shaft passes through the box body and is fixedly connected on the turntable, so that two groups of filtering mechanisms are symmetrically arranged at the axis center of the roller shaft, the utility model drives the roller shaft to rotate by rotating the turntable, drives the filtering mechanisms at two sides to rotate to achieve the effect of replacing the filtering mechanism, prevents the pawl from rotating clockwise by a gear ring of a ratchet wheel in a pawl clamping way, ensures that the roller shaft cannot rotate clockwise, and ensures that the filtering mechanisms at two sides are stable and do not move, the effect of stabilizing the filtering device during filtering is achieved.

Description

Water sample pretreatment rapid filtering device for environmental monitoring laboratory

Technical Field

The utility model relates to a water sample pretreatment technical field especially relates to an environmental monitoring laboratory is with quick filter equipment of water sample pretreatment.

Background

In the water environment detection, the water body needs to be subjected to sample collection and inspection, and because impurities floating on the surface of the water body are collected together during sampling, a water sample needs to be subjected to preliminary treatment before inspection, namely, the floating impurities are filtered;

present filtration equipment is mostly poured the water sample into totally when filtering, nevertheless carries out the filtering operation to the water sample through fixed filter screen, and the impurity deposit in the water sample is on the filter screen lasting filtration process, and the filtering operation of time overlength can lead to the too much impurity of filter screen deposit to be unable to be handled, influences the filter effect of water sample, so need a filter equipment that can conveniently change, consequently, I propose a quick filter equipment of water sample pretreatment in environmental monitoring laboratory.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that long-time filtering leads to excessive impurity deposition of the filter screen in the prior art, influencing the defect of the filtering effect of the water sample, and providing a rapid filtering device for water sample pretreatment in an environmental monitoring laboratory.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the rapid filtering device for the pretreatment of the water sample for the environmental monitoring laboratory is designed, and comprises a box body, a roll shaft and a turntable, wherein an opening is formed in the upper part of the box body, a baffle is installed and connected to the lower part of the inner part of the box body, the baffle uniformly divides the bottom space in the box body into two parts, one part is a filtering chamber, and the other part is a waste material chamber;

one end of the rotary table is rotatably connected to the outer wall of one side of the box body, the transmission mechanism is fixedly mounted on one side inside the box body, one end of the roll shaft is fixedly connected to the transmission mechanism, the other end of the roll shaft penetrates through the box body and is fixedly connected to the rotary table, the roll shaft is arranged in parallel right above the baffle, two groups of filtering mechanisms are symmetrically mounted with the axis center of the roll shaft, one group of filtering mechanisms is positioned above the filtering chamber, and the other group of filtering mechanisms is positioned above the waste material chamber;

every group filtering mechanism all includes two the dead lever gu fixed ring with the filter screen, one of them is a set of gu fixed ring level arranges in the filter chamber top, one of them is a set of the filter screen seal installation in gu fixed ring below, wherein two the one end interval of dead lever is fixed gu fixed ring is last, the other end interval is fixed on the roller, another group filtering mechanism with the axis central symmetry installation of roller.

Preferably, drive mechanism includes interior ratchet, pawl, ring and rotary rod, interior ratchet is loop configuration, just the ring gear has been seted up to interior ratchet inner ring, interior ratchet fixed connection is in box inner wall one side, rotary rod one end is rotated and is connected on the box inner wall, other end fixed connection be in on the roller, just the rotary rod is located the center of interior ratchet, the ring cover is established and is installed on the rotary rod, the pawl articulates ring one side, just the pawl with the ring gear meshing of interior ratchet.

Preferably, the box body on one side of the filtering chamber is provided with the water outlet, and the water outlet is provided with a valve.

Preferably, the box body on one side of the waste chamber is provided with an opening, the opening of the box body is hinged with the hinged plate, and the hinged plate is provided with a pull ring.

The utility model provides a pair of quick filter equipment of environmental monitoring laboratory water sample pretreatment, beneficial effect lies in: this quick filter equipment of environmental monitoring laboratory water sample pretreatment drives the roller through rotating the carousel and rotates, and the filtering mechanism who drives both sides rotates and reaches the effect of replacement filtering mechanism, through the ring gear of ratchet in the pawl block, prevents pawl clockwise turning, and then prevents ring and rotary rod clockwise turning for the roller can not clockwise turning, makes the filtering mechanism of both sides stable unmovable, stabilizes filter equipment's effect when reaching the filtration.

Drawings

Fig. 1 is the utility model provides an environmental monitoring laboratory is with quick filter equipment's of water sample pretreatment main view structure schematic diagram.

Fig. 2 is the utility model provides an environmental monitoring laboratory is with quick filter equipment's of water sample pretreatment main view structure schematic diagram that removes.

Fig. 3 is the utility model provides an environmental monitoring laboratory is with quick filter equipment's of water sample pretreatment drive mechanism owner looks the schematic structure.

In the figure: the device comprises a box body 1, a filtering mechanism 2, a fixed rod 21, a fixed ring 22, a filtering screen 23, a transmission mechanism 3, an inner ratchet wheel 31, a pawl 32, a circular ring 33, a rotating rod 34, a roller shaft 4, a rotating disc 5, a baffle 6, a hinged plate 7 and a water outlet 8.

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.

Referring to fig. 1-3, a water sample pretreatment rapid filtering device for an environmental monitoring laboratory comprises a box body 1, a roll shaft 4 and a rotary table 5, wherein the upper part of the box body 1 is opened, a baffle 6 is installed and connected to the lower part inside the box body 1, the baffle 6 is used for separating the space of the box body 1, the baffle 6 uniformly divides the bottom space inside the box body 1 into two parts, one part is a filtering chamber, the other part is a waste chamber, the filtering chamber is used for collecting filtered water samples, and the waste chamber is used for collecting filtered substances;

one end of a rotary table 5 is rotatably connected to the outer wall of one side of a box body 1, the rotary table 5 is convenient for a user to grasp and rotate, a transmission mechanism 3 is fixedly installed on one side inside the box body 1, one end of a roller shaft 4 is fixedly connected to the transmission mechanism 3, the other end of the roller shaft 4 penetrates through the box body 1 and is fixedly connected to the rotary table 5, the roller shaft 4 is arranged right above a baffle 6 in parallel, the roller shaft 4 drives two groups of filtering mechanisms 2 to be exchanged through rotation, two groups of filtering mechanisms 2 are symmetrically installed on the axis center of the roller shaft 4, one group of filtering mechanisms 2 is located above a filtering chamber, and the other group of filtering mechanisms 2 is located above a waste chamber;

every group filter mechanism 2 all includes two dead levers 21, solid fixed ring 22 and filter screen 23, wherein a set of solid fixed ring 22 level is arranged in the filter chamber top, gu fixed ring 22 is used for fixed filter screen 23, wherein a set of filter screen 23 seal installation is in solid fixed ring 22 below, filter screen 23 is arranged in filtering the debris in the water sample, wherein the one end interval of two dead levers 21 is fixed on solid fixed ring 22, the other end interval is fixed on roller 4, dead lever 21 is used for with roller 4 and filtering part fixed connection, make its rotation jointly, another group filter mechanism 2 is installed with the axis central symmetry of roller 4.

Drive mechanism 3 includes interior ratchet 31, pawl 32, ring 33 and rotary rod 34, interior ratchet 31 is the loop configuration, and the ring gear has been seted up to interior ratchet 31 inner ring, interior ratchet 31 fixed connection is in 1 inner wall of box one side, interior ratchet 31 is used for block pawl 32, rotary rod 34 one end is rotated and is connected on 1 inner wall of box, other end fixed connection is on roller 4, and the rotary rod is located the center of interior ratchet 31, rotary rod 34 drives pawl 32 through rotating and moves, ring 33 cover is established and is installed on rotary rod 34, ring 33 is used for bearing pawl 32, pawl 32 articulates in ring 33 one side, and pawl 32 and the ring gear meshing of interior ratchet 31, pawl 32 prevents the rotary rod clockwise rotation through the meshing with interior ratchet 31.

A water outlet 8 is formed in the box body 1 on one side of the filtering chamber, the water outlet 8 is used for taking out a water sample in the filtering chamber, a valve is mounted on the water outlet 8, and the valve is used for controlling the opening and closing of the water outlet 8.

The box body 1 on one side of the waste material chamber is provided with an opening, the opening of the box body 1 is hinged with a hinged plate 7, the hinged plate 7 is used for taking out the filter in the waste material chamber, and the hinged plate 7 is provided with a pull ring which is convenient to pull up the hinged plate 7 to take out the filter.

The working principle is as follows: when the device is used, a water sample to be treated is poured onto the filter screen 23 above the filter chamber to be filtered, filtering is stopped after a certain amount of filtered substances are accumulated on the filter screen 23 after a period of filtering, the rotating disc 5 is rotated anticlockwise to drive the roller shaft 4 to rotate, the roller shaft 4 drives the filter mechanisms 2 at two sides to rotate, the roller shaft 4 drives the rotating rod 34 to rotate simultaneously, the rotating rod 34 drives the ring 33 to rotate, the ring 33 drives the pawl 32 to move anticlockwise, the pawl 32 slides on the gear ring of the inner ratchet wheel 31 at the moment, the rotating disc 5 is stopped to rotate until the filter screen 23 above the filter chamber rotates to the position above the waste chamber, the pawl 32 is meshed with the gear ring of the inner ratchet wheel 31 again, the filter mechanism 2 above the waste chamber should fall downwards under the action of gravity, but the design that the pawl 32 is meshed with the gear ring of the inner ratchet wheel 31 causes the pawl 32 to be incapable of rotating clockwise, further, the ring 33 cannot rotate clockwise, the rotating rod 34 and the roller shaft 4 cannot rotate clockwise, and further the filtering mechanism 2 above the waste material chamber cannot fall, so that the effect of stabilizing the position of the filtering mechanism 2 again is achieved;

at the moment, the filtering work is carried out again, the filter screen 23 above the waste chamber is inverted, so that the filtered substances above the waste chamber fall into the waste chamber under the action of gravity, meanwhile, the fixing ring 22 above the waste chamber can be tapped to accelerate the falling of the waste, the valve is opened after the filtering is finished to discharge the water sample from the water outlet 8, the hinge plate 7 is opened by pulling the pull ring, the filtered substances are taken out, and the filtering work of the water sample is finished.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The rapid filtering device for the pretreatment of the water sample for the environmental monitoring laboratory comprises a box body (1), a roll shaft (4) and a rotary table (5), wherein the box body (1) is provided with an opening at the upper part, a baffle (6) is installed and connected at the lower part inside the box body (1), the baffle (6) uniformly divides the bottom space in the box body (1) into two parts, one part is a filtering chamber, and the other part is a waste material chamber;

one end of the rotary table (5) is rotatably connected to the outer wall of one side of the box body (1), a transmission mechanism (3) is fixedly mounted on one side inside the box body (1), one end of the roll shaft (4) is fixedly connected to the transmission mechanism (3), the other end of the roll shaft penetrates through the box body (1) and is fixedly connected to the rotary table (5), the roll shaft (4) is arranged right above the baffle (6) in parallel, two groups of filtering mechanisms (2) are symmetrically mounted with the axis center of the roll shaft (4), one group of the filtering mechanisms (2) is located above the filtering chamber, and the other group of the filtering mechanisms (2) is located above the waste material chamber;

every group filtering mechanism (2) all include two dead levers (21), solid fixed ring (22) and filter screen (23), wherein a set of gu fixed ring (22) level is arranged in the filter chamber top, a set of wherein filter screen (23) seal installation solid fixed ring (22) below, wherein two the one end interval of dead lever (21) is fixed gu fixed ring (22) is last, the other end interval is fixed on roller (4), another group filtering mechanism (2) with the axis central symmetry installation of roller (4).

2. The rapid filtration device for water sample pretreatment in environmental monitoring laboratories according to claim 1, it is characterized in that the transmission mechanism (3) comprises an inner ratchet wheel (31), a pawl (32), a circular ring (33) and a rotating rod (34), the inner ratchet wheel (31) is in an annular structure, the inner ring of the inner ratchet wheel (31) is provided with a gear ring, the inner ratchet wheel (31) is fixedly connected with one side of the inner wall of the box body (1), one end of the rotating rod (34) is rotationally connected to the inner wall of the box body (1), the other end is fixedly connected to the roller shaft (4), the rotating rod is positioned at the center of the inner ratchet wheel (31), the circular ring (33) is sleeved on the rotating rod (34), the pawl (32) is hinged to one side of the circular ring (33), and the pawl (32) is meshed with the gear ring of the inner ratchet wheel (31).

3. The rapid filtering device for water sample pretreatment in the environmental monitoring laboratory according to claim 1, wherein a water outlet (8) is formed on the box body (1) on one side of the filtering chamber, and a valve is installed on the water outlet (8).

4. The rapid filtering device for water sample pretreatment in the environmental monitoring laboratory according to claim 1, wherein the box body (1) on one side of the waste chamber is provided with an opening, a hinged plate (7) is hinged at the opening of the box body (1), and a pull ring is installed on the hinged plate (7).