Water sample pretreatment rapid filtering device
Technical Field
The utility model relates to the technical field of environmental monitoring, in particular to a rapid filtering device for pretreatment of a water sample.
Background
A rapid filtration device for pretreatment of water samples is a device for treating solid particles or suspended matter in a water sample. When the water sample needs to remove particles or suspended matters in the water sample, the rapid filtering device can rapidly filter the water sample, and separate out solid particles or suspended matters to obtain a relatively clean water sample.
The current quick filter equipment adopts the filter screen to filter mostly, and the filter screen can carry out preliminary filtration with great impurity, but need often wash the filter screen, and the long-time use leads to the fact the jam condition easily, slows down filtration to filter equipment is big inconvenient carrying of most bodily forms, consequently, proposes a water sample pretreatment quick filter equipment to above problem.
Disclosure of utility model
In order to overcome the defects in the prior art, the utility model provides a rapid filtering device for water sample pretreatment, which solves the problems in the prior art.
The utility model provides a rapid filtering device for water sample pretreatment, which comprises a flow guiding structure, wherein a storage structure is arranged on the outer side of the flow guiding structure, a flow guiding cylinder is arranged at the joint of the flow guiding structure and the storage structure, a filtering structure is arranged at the bottom end of the flow guiding structure, a second flow guiding ring is arranged at the joint of the flow guiding structure and the filtering structure, the flow guiding structure comprises a flow guiding cylinder, and circular through holes are formed in the upper end and the lower end of the outer wall of the flow guiding cylinder;
Further, the rubber stopper has been cup jointed in the inside activity of draft tube, rubber stopper top fixedly connected with connecting block, circular through-hole has been seted up on the connecting block top, the inside fixedly connected with pull rod of the circular through-hole in connecting block top, rubber stopper push-down angle area is greater than the interior round area in draft tube top.
Further, the storage structure comprises a fixed ring, a guide cylinder is fixedly sleeved in the fixed ring, two sides of the fixed ring are fixedly connected with connecting rings, circular through holes are formed in the top ends of the connecting rings, and a liquid storage tank is movably sleeved in the circular through holes of the connecting rings.
Further, the liquid storage tank top threaded connection has the connecting pipe, the connecting pipe is the shape of falling "L", connecting pipe other end fixedly connected with first drainage ring, the recess has been seted up to first drainage ring inboard, the guide cylinder has been cup jointed to first drainage ring inside fixed, the inboard recess of first drainage ring is corresponding with the circular through-hole of guide cylinder.
Further, the filter structure comprises a second drainage ring, a groove is formed in the inner side of the second drainage ring, a guide cylinder is fixedly sleeved in the second drainage ring, the bottom end of the second drainage ring is provided with a groove, and the groove at the bottom end of the second drainage ring is communicated with the groove at the inner side.
Further, second drainage ring bottom fixedly connected with shell, the inside fixed joint of shell has first filter, first filter bottom is provided with the second filter, second filter and the fixed joint of shell, circular through-hole has been seted up to the shell bottom, the inside fixedly connected with water inlet of circular through-hole of shell.
The utility model has the technical effects and advantages that:
1. According to the utility model, the inlet is changed into the water inlet by arranging the filtering structure, compared with a traditional device, the water inlet is reduced, the inlet is reduced so as to be convenient for directly removing larger impurities outside, and the upper end of the water inlet is fixedly provided with two layers of filtering plates, so that a sample is filtered, and the condition of slowing down the filtering flow or blocking is avoided.
2. According to the utility model, the volume of the device is reduced by arranging the diversion structure and the storage structure, so that the device is convenient to carry, the inner space of the diversion cylinder is formed into a negative pressure state by pulling the pull rod, so that water flow enters the device from the bottom end, and then the water flow enters the liquid storage tank for storage by diversion through the first diversion ring and the connecting pipe.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic cross-sectional view of the whole structure of the present utility model.
Fig. 3 is a schematic view of a flow guiding structure of the present utility model.
Fig. 4 is a schematic diagram of a memory structure according to the present utility model.
Fig. 5 is a schematic view of a filter structure according to the present utility model.
The device comprises a guide structure 1, a guide cylinder 101, a rubber plug 102, a connecting block 103, a connecting block 104, a pull rod 2, a storage structure 201, a fixing ring 202, a connecting ring 203, a liquid storage tank 204, a connecting pipe 205, a first guide ring 3, a filtering structure 301, a second guide ring 302, a shell 303, a first filter plate 304, a second filter plate 305 and a water inlet.
Detailed Description
The embodiments of the present utility model will be described more fully hereinafter with reference to the accompanying drawings, in which the embodiments of the present utility model are shown by way of illustration only, and the environmental monitoring according to the present utility model is not limited to the embodiments of the present utility model, but all other embodiments obtained by one skilled in the art without making any inventive effort are within the scope of the present utility model.
Referring to fig. 1-5, the utility model provides a rapid water sample pretreatment filtering device, which comprises a flow guiding structure 1, wherein a storage structure 2 is arranged on the outer side of the flow guiding structure 1, a flow guiding cylinder 101 is arranged at the joint of the flow guiding structure 1 and the storage structure 2, a filtering structure 3 is arranged at the bottom end of the flow guiding structure 1, a second flow guiding ring 301 is arranged at the joint of the flow guiding structure 1 and the filtering structure 3, the flow guiding structure 1 comprises a flow guiding cylinder 101, and circular through holes are formed in the upper end and the lower end of the outer wall of the flow guiding cylinder 101;
Wherein, the inside activity of draft tube 101 has cup jointed rubber buffer 102, and rubber buffer 102 top fixedly connected with connecting block 103, circular through-hole has been seted up on connecting block 103 top, and connecting block 103 top circular through-hole inside fixedly connected with pull rod 104, rubber buffer 102 overlook the angle area and be greater than draft tube 101 top interior round area, form the negative pressure state with draft tube 101 inner space through pulling pull rod 104 for rivers get into the device inside from the bottom.
Wherein, storage structure 2 includes solid fixed ring 201, gu fixed ring 201 inside has fixedly cup jointed draft tube 101, gu fixed ring 201 both sides fixedly connected with adapter ring 202, and circular through-hole has been seted up on adapter ring 202 top, and the inside activity of adapter ring 202 circular through-hole has cup jointed liquid storage tank 203.
Wherein, liquid storage pot 203 top threaded connection has connecting pipe 204, and connecting pipe 204 is the shape of falling "L", and connecting pipe 204 other end fixedly connected with first drainage ring 205, and first drainage ring 205 inboard is seted up flutedly, and first drainage ring 205 inside has fixedly cup jointed guide cylinder 101, and first drainage ring 205 inboard recess corresponds with guide cylinder 101 circular through-hole, and first drainage ring 205 and connecting pipe 204 carry out the water conservancy diversion, get into the inside storage of liquid storage pot 203.
Wherein, filtration 3 includes second drainage ring 301, and the recess has been seted up to second drainage ring 301 inboard, and the fixed guide cone 101 that has cup jointed of second drainage ring 301 inside, and the recess has been seted up to second drainage ring 301 bottom, and the recess communicates with each other with inboard recess in second drainage ring 301 bottom, is fixed with two-layer filter on the water inlet, filters the sample, avoids slowing down the condition that the filter flows or blocks up and appears.
Wherein, second drainage ring 301 bottom fixedly connected with shell 302, the inside fixed joint of shell 302 has first filter 303, first filter 303 bottom is provided with second filter 304, the fixed joint of second filter 304 and shell 302, circular through-hole has been seted up to the shell 302 bottom, the inside fixedly connected with water inlet 305 of shell 302 circular through-hole changes the import into water inlet 305, the water inlet reduces in comparison with traditional device, reduce the import so that directly get rid of great impurity in the outside.
Before the device is used, whether the device can normally run is checked, when the device is used, a water inlet 305 at the bottom end of the device is immersed in a water sample to be detected, a pull rod 104 in the guide cylinder 101 is pulled, the pull rod 104 drives a connecting block 103 and a rubber plug 102 to move towards the other end of the guide cylinder 101, at the moment, air in the guide cylinder 101 forms a negative pressure state, a sample is conveyed upwards from the water inlet 305, after the sample enters a shell 302 through the water inlet 305, a second filter plate 304 and the water inlet 305 are filtered for the first time, the sample passes through a through hole in the bottom end of a second guide ring 301 and enters the guide cylinder 101, the liquid level in the guide cylinder 101 is gradually increased until the liquid level in the guide cylinder 101 enters a first guide ring 205 from the inside of a circular through hole in the upper end of the guide cylinder 101, through holes are formed in two sides of the first guide ring 205, a connecting pipe 204 is fixed in the inside of the through holes in two sides of the first guide ring 205, liquid in the first guide ring 205 flows into a liquid storage tank 203 through the connecting pipe 204, the liquid storage tank 203 is fixed with a fixing ring 201 through a connecting ring 202, the fixing ring 201 is fixedly sleeved in the middle of the guide cylinder 101, and the water inlet is reduced compared with the traditional device, and impurities are discharged outside directly.
Finally, the foregoing description of the preferred embodiment of the utility model is provided for the purpose of illustration only, and is not intended to limit the utility model to the particular form disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.