Sampling device for environment detection
Technical Field
The utility model relates to an environment detection technology field specifically is a sampling device that environment detection used.
Background
Along with the development of society, the environmental problem is increasingly outstanding, the pollution of environmental water quality is one of the environmental problems, after the water quality is polluted, the polluted water is finally taken in by human bodies through various channels, the health of people is influenced, in order to enable people to drink safe and sanitary water, the searching of water resources which are as clean as possible is very important for people, in order to timely detect the water quality and timely condition the water quality, the water quality in the area needs to be checked, in the prior art, when the water quality is checked, in order to enable the detection effect to be more accurate and the detection precision to be higher, people need to collect water samples in the water area through tools such as rowing, and in the process of collecting the water samples, a collecting device is often needed, because the existing water sample sampling device is difficult to timely put the extracted water samples into a collecting bottle for temporary storage in the process of collecting the water samples, and the sampling and storage processes are complicated, inconvenience the use, and therefore improvement is required.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sampling device that environmental detection used possesses after the extraction detects the water sample, can be timely put into the receiving flask the water sample of extraction, be convenient for take a sample next time, and easy operation is convenient, has avoided the water sample to take place unrestrained for a long time in the sampling cylinder simultaneously, and leads to the water sample to take place unrestrained easily, consequently provides convenient advantage for gathering the water sample, has solved the problem of proposing among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sampling device that environmental detection used, includes the cartridge, the inner wall sliding connection of cartridge has the piston, the fixedly connected with piston rod of portion of piston, the top fixedly connected with handle of piston rod, the fixed section of thick bamboo of bottom fixedly connected with both ends open-ended of cartridge, the inner wall fixedly connected with income liquid check valve of fixed section of thick bamboo, the bottom fixed mounting of fixed section of thick bamboo has the sampling subassembly, the inner wall fixed mounting who is close to its bottom on the fixed section of thick bamboo has a filtration piece.
The utility model discloses a sampling device, including sampling cylinder, liquid mouth, inner wall fixedly connected with of liquid storage cylinder, bottom fixedly connected with conical funnel, T type spout has been seted up to the side of liquid storage cylinder, the liquid mouth has a perfect understanding each other with the sampling cylinder, the inner wall fixedly connected with of liquid storage cylinder is used for the shutoff to cross the seal assembly of liquid mouth, the bottom fixedly connected with conical funnel of liquid storage cylinder, T type spout inner wall's bottom fixedly connected with thrust subassembly, the board is placed to thrust subassembly's side fixedly connected with, the standing groove has been seted up to the upper surface of placing the board, the receiving flask has been placed in the standing groove, conical funnel's bottom injects in the receiving flask.
Preferably, the sampling subassembly includes the connector, the ring channel with connector joint and adaptation is seted up to the bottom of a fixed section of thick bamboo, the bottom fixedly connected with sampling pipe of connector.
Preferably, filter be the filter screen, the filter screen joint is on the inner wall of being close to its bottom on fixed section of thick bamboo.
Preferably, the seal assembly comprises a first spring, the first spring is fixedly connected to the inner wall of the fixed cylinder, and one end of the first spring, which is close to the sampling cylinder, is fixedly connected with a seal plug for plugging the liquid passing port.
Preferably, a sealing layer is fixedly connected to the surface of the sealing plug, and the sealing layer abuts against the inner wall of the liquid passing port.
Preferably, the thrust assembly comprises a second spring, the second spring is fixedly connected to the bottom of the inner wall of the T-shaped sliding groove, the top end of the second spring is fixedly connected with a T-shaped sliding block which is connected with the T-shaped sliding groove in a sliding mode and is matched with the T-shaped sliding groove, and the T-shaped sliding block is fixedly connected with the side face of the placing plate.
Compared with the prior art, the beneficial effects of the utility model are as follows:
one, the utility model discloses a set up piston, piston rod, handle, solid fixed cylinder, connecting cylinder and sampling pipe for in can extracting the sampling cylinder to the water sample, and through setting up the filter screen, make play the filtering action to the water sample, avoided impurity in the water sample to block up the income liquid mouth, and with the setting through going into liquid check valve, then be convenient for extrude the water sample in the sampling cylinder in the receiving flask.
Two, the utility model discloses a set up the second spring, T type spout, T type slider and place the board, make under the effect of second spring elasticity, make the receiving flask can with the mutual butt of conical hopper, thereby make being located that the receiving flask can be stable place the board, and through first spring, seal the setting of stopper and sealing layer, make the sampling cylinder at the in-process of extraction water sample, under the effect of first spring elasticity, make to seal the stopper can closely laminate with crossing the liquid mouth, the extraction efficiency of sampling cylinder has been improved.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a front cross-sectional view of the present invention;
FIG. 3 is an enlarged view of the structure at A of the present invention;
fig. 4 is an enlarged view of the structure of the present invention at B.
In the figure: 1-sampling cylinder, 2-piston, 3-piston rod, 4-handle, 5-fixed cylinder, 6-liquid inlet one-way valve, 7-liquid storage cylinder, 8-conical funnel, 9-T type chute, 10-placing plate, 11-collecting bottle, 12-connector, 13-sampling tube, 14-filter screen, 15-first spring, 16-sealing plug, 17-sealing layer, 18-second spring and 19-T type slide block.
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 to 4, the present invention provides a technical solution: the utility model provides a sampling device that environmental detection used, including cartridge 1, cartridge 1's inner wall sliding connection has piston 2, piston 2's a fixedly connected with piston rod 3, piston rod 3's top fixedly connected with handle 4, cartridge 1's bottom fixedly connected with both ends open-ended solid fixed cylinder 5, solid fixed cylinder 5's inner wall fixedly connected with goes into liquid check valve 6, solid fixed cylinder 5's bottom fixed mounting has the sampling subassembly, the inner wall fixed mounting who is close to its bottom on the solid fixed cylinder 5 has a filtration piece.
Further, the sampling subassembly includes connector 12, and the ring channel with connector 12 joint and adaptation is seted up to the bottom of solid fixed cylinder 5, and the bottom fixedly connected with sampling pipe 13 of connector 12, connector 12 make be convenient for change and install sampling pipe 13.
Further, filter and be filter screen 14, filter screen 14 joint is on the inner wall that is close to its bottom on fixed section of thick bamboo 5, through setting up filter screen 14 for play the filter effect to the water sample, avoided the impurity in the water sample to block up into the liquid mouth.
Be close to the left side fixedly connected with liquid storage cylinder 7 of its bottom on the sampling cylinder 1, the liquid mouth has been seted up to the side of liquid storage cylinder 7, crosses liquid mouth and has link up each other with sampling cylinder 1, and the inner wall fixedly connected with of liquid storage cylinder 7 is used for the shutoff to cross the seal assembly of liquid mouth.
Further, the sealing assembly comprises a first spring 15, the first spring 15 is fixedly connected to the inner wall of the fixed cylinder 5, one end of the first spring 15, which is close to the sampling cylinder 1, is fixedly connected with a sealing plug 16 used for sealing the liquid passing port, and the first spring 15, the sealing plug 16 and a sealing layer 17 are arranged, so that the sampling cylinder 1 is in the process of water sample extraction, under the effect of the elastic force of the first spring 15, the sealing plug 16 can be tightly attached to the liquid passing port, and the extraction efficiency of the sampling cylinder 1 is improved.
Further, a sealing layer 17 is fixedly connected to the surface of the sealing plug 16, the sealing layer 17 abuts against the inner wall of the liquid passing port, and the sealing layer 17 increases the sealing performance between the sealing plug 16 and the liquid passing port.
The bottom fixedly connected with conical hopper 8 of liquid storage cylinder 7, T type spout 9 has been seted up to the side of solid fixed cylinder 5, the bottom fixedly connected with thrust subassembly of the 9 inner walls of T type spout, and board 10 is placed to the side fixedly connected with of thrust subassembly, and the standing groove has been seted up to the upper surface of placing board 10, has placed receiving flask 11 in the standing groove, and conical hopper 8's bottom injects in the receiving flask 11.
Further, the thrust subassembly includes second spring 18, second spring 18 fixed connection is on the bottom of T type spout 9 inner wall, the top fixedly connected with of second spring 18 and the T type slider 19 of T type spout 9 sliding connection and adaptation, T type slider 19 with place the side fixed connection of board 10, press down piston rod 3 and promote piston 2 downstream, can overcome the elasticity promotion of first spring 15 under the effect of water sample pressure and seal stopper 16 to the one side motion of keeping away from sampling cylinder 1, make and seal stopper 16 and break away from the liquid mouth, make the liquid mouth open, make in the sampling cylinder 1 the water sample can flow into collecting bottle 11, thereby can carry out temporary storage to the water sample.
The working principle is as follows: when the sampling device for environment detection is used, when a water sample to be detected needs to be extracted, the sampling tube 13 is inserted into water flow, then the piston rod 3 is pulled by the handle 4 to drive the piston 2 to move, so that the pressure in the sampling cylinder 1 is reduced, the water sample can enter the sampling cylinder 1 under the action of external atmospheric pressure, and the characteristics of the liquid inlet one-way valve 6 can know that the liquid inlet one-way valve 6 enables the water sample to enter the sampling cylinder 1 from the fixed cylinder 5 and cannot flow out from the fixed cylinder 5, after extraction is finished, a proper collection bottle 11 is selected to be placed on the placing plate 10, under the action of the elastic force of the second spring 18, the collection bottle 11 can be mutually abutted against the conical funnel 8, so that the collection bottle 11 can be stably positioned on the placing plate 10, then the piston rod 3 is pressed downwards to push the piston 2 to move downwards, and under the action of the water sample pressure, the elastic force of the first spring 15 can be overcome to push the sealing plug 16 to move towards one side far away from the sampling cylinder 1, make to seal stopper 16 and break away from the liquid mouth of crossing for cross the liquid mouth and open, make in the sample cylinder 1 water sample can flow into the receiving flask 11, thereby can carry out temporary storage to the water sample, to sum up, through the cooperation of above-mentioned relevant structure, can be timely put into the receiving flask 11 the water sample of extraction, be convenient for take a sample next time, and easy operation is convenient, has avoided the water sample to take place unrestrained easily for a long time in sample cylinder 1 simultaneously, leads to the water sample to take place, provides convenience for gathering the water sample.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.