CN209783987U - Water inlet device for water quality analyzer - Google Patents

Abstract

The utility model discloses a water installations for water quality analyzer, including inlet tube and the filter equipment of setting in the inlet tube, filter equipment is including fixed pipe, connecting pipe and filtering piece, fixed pipe is coaxial to be fixed in the inlet tube, the connecting pipe slip cap is established the outside of fixed pipe, filter the piece and fill column structure for macrostoma end confined awl, filter the osculum end of piece with the one end fixed connection of connecting pipe, filter the macrostoma end of piece and hug closely the terminal surface of the water inlet one end of inlet tube is kept away from to fixed pipe, filter the lateral wall and the terminal surface of piece and all seted up a plurality of filtration pores. The utility model discloses a set up filter equipment and avoided the first time filter screen blockked up and influence the condition of inflow and take place, guaranteed water quality monitoring's efficiency and effect.

Description

Water inlet device for water quality analyzer

Technical Field

The utility model relates to an analysis appearance technical field particularly, relates to a water installations for water quality analysis appearance.

Background

At present, the nation pays attention to pollutant emission, and in order to monitor the total pollutant emission amount of a pollution source, the national pollution source monitoring system requires that water pollution source online monitoring equipment is installed at each discharge outlet, and online analytical instruments of different monitoring projects are installed in one monitoring station. An on-line analytical instrument manufacturer installs an instrument water inlet pipeline, and problems, blockage, inconvenient pipeline cleaning and the like often occur in the operation process. The filter screen is installed to the water inlet department of solving this problem among the prior art and adopting more, however during first filtration, the filter residue is more and great, therefore the filter residue is piled up in filter screen department easily to influence the inflow, block up the inlet tube even, directly influence water quality monitoring's efficiency and effect.

SUMMERY OF THE UTILITY MODEL

For solving the problem that exists among the prior art, the utility model aims at providing a water installations for water quality analyzer, the filter screen is blockked up and influence the condition emergence of inflow when having avoided first filtration through setting up filter equipment, has guaranteed water quality monitoring's efficiency and effect.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a water installations for water quality analyzer, includes inlet tube and the filter equipment of setting in the inlet tube, filter equipment is including fixed pipe, connecting pipe and filtering piece, fixed pipe is coaxial to be fixed in the inlet tube, the connecting pipe slip cap is established the outside of fixed pipe, filter the piece and fill column structure for macrostoma end confined awl, filter the osculum end of piece with the one end fixed connection of connecting pipe, filter the macrostoma end of piece and hug closely fixed pipe keeps away from the terminal surface of the water inlet one end of inlet tube, filter the lateral wall and the terminal surface of piece and all seted up a plurality of filtration pores.

The fixed pipe is fixedly connected with the water inlet pipe through a flange or a bearing, and the flange or the bearing is arranged to block a gap between the fixed pipe and the inlet of the water inlet pipe, so that water is prevented from flowing into the next stage through the gap.

The working principle is as follows: when in use, the water pump pumps water to the water inlet pipe. The process water is filtered by the filter device in the water inlet pipe and then enters the next stage, and the next stage can be provided with devices such as a filter screen and the like, and can also directly enter the water quality analysis in the following stage. In the water filtration process: in the initial stage, water flows through the filtering holes on the end face of the filtering piece from the fixed pipe to finish filtering. When the filtering time is too long or the filtering holes on the end face of the filtering piece are blocked due to other reasons, the water pressure in the fixed pipe is increased because the water pump pumps water into the fixed pipe ceaselessly. The end face of the filter piece is acted on by water pressure, so that the filter piece is pushed to slide along the axial direction of the fixed pipe, and the filter piece drives the connecting pipe to slide. In the sliding process, the distance between the end surface of the filtering piece and the end part of the fixed pipe is gradually increased, the side wall of the filtering piece is gradually pulled out, and a conical funnel-shaped filtering cavity is formed between the end part of the final filtering piece and the end part of the fixed pipe. The water in the fixed pipe is discharged into the filter cavity, and is filtered by the side wall of the filter element and the end face of the filter element except the blocked part, and finally is discharged to the next stage.

The utility model discloses a set up filter equipment and avoided the first time filter screen blockked up and influence the condition of inflow and take place, guaranteed water quality monitoring's efficiency and effect.

Preferably, the connecting pipe is provided with an internal thread at one end far away from the filtering piece, and the fixed pipe is provided with an external thread matched with the internal thread at one end far away from the water inlet of the water inlet pipe. The connecting pipe is firstly connected with the fixed pipe through the internal thread and the external thread, then the internal thread is screwed to leave the external thread, and the connecting pipe can not slip off the fixed pipe due to the effect of the internal thread and the external thread when the connecting pipe and the fixed pipe can slide relatively.

Preferably, a first chute has been seted up along the axial to the inner wall of connecting pipe, the connecting pipe is kept away from the one end of filtering piece and is provided with first stopper, the one end that the water inlet of inlet tube was kept away from to fixed pipe be provided with the second stopper that first stopper corresponds, the outer wall of fixed pipe seted up along the axial with the second chute that first chute corresponds, first stopper with second chute sliding connection, the second stopper with first chute sliding connection. When filtering and driving the connecting pipe and sliding along fixed pipe, first stopper slides in the second spout, and the slip stops when first stopper contacts with the spacing hole of second, and the lateral wall of filtering this moment is whole to be in operating condition. The first stopper, the second stopper that set up can prevent that the connecting pipe slippage from going out fixed pipe, and under the effect of the first stopper of first spacing groove and the second spacing groove structure of setting and second stopper, can prevent to take place relative rotation between connecting pipe and the fixed pipe.

Preferably, a spring is fixedly connected between the first limiting block and the second limiting block. When the end face of the filtering piece is normally filtered, the end face of the filtering piece is tightly attached to the end face of the fixed pipe under the action of the spring, so that the filtering piece can be prevented from sliding under the impact of water flow initially.

Preferably, the fixed pipe consists of a straight pipe section and a funnel section, the small end of the funnel section is fixedly connected with the straight pipe section, the connecting pipe is slidably connected to the outside of the straight pipe section, and the large end of the funnel section is fixedly connected with the water inlet pipe. The large end of the funnel section can be detachably connected with the water inlet pipe through a flange or a bolt or a joint and the like. The arrangement is convenient for the whole disassembly and assembly of the filtering device and the disassembly and cleaning of the filtering piece after the use time is too long; meanwhile, the water outlet end of the water pump can be directly connected with the water inlet pipe, no gap is reserved between the water inlet of the water inlet pipe and the fixed pipe, and water pumped by the water pump enters the fixed pipe from the large end of the funnel section, so that the water can be prevented from flowing into the next stage without being filtered.

The utility model has the advantages that:

(1) The utility model discloses a set up filter equipment and avoided the first time filter screen blockked up and influence the condition of inflow and take place, guaranteed water quality monitoring's efficiency and effect.

(2) The connecting pipe is provided with the internal thread far away from the one end of filtering piece, the one end that the water inlet pipe was kept away from to fixed pipe be provided with the external screw thread that the internal thread matches. The connecting pipe is firstly connected with the fixed pipe through the internal thread and the external thread, then the internal thread is screwed to leave the external thread, and the connecting pipe can not slip off the fixed pipe due to the effect of the internal thread and the external thread when the connecting pipe and the fixed pipe can slide relatively.

(3) The first stopper, the second stopper that set up can prevent that the connecting pipe slippage from going out fixed pipe, and under the effect of the first stopper of first spacing groove and the second spacing groove structure of setting and second stopper, can prevent to take place relative rotation between connecting pipe and the fixed pipe.

(4) A spring is fixedly connected between the first limiting block and the second limiting block. When the end face of the filtering piece is normally filtered, the end face of the filtering piece is tightly attached to the end face of the fixed pipe under the action of the spring, so that the filtering piece can be prevented from sliding under the impact of water flow initially.

(5) The fixed pipe consists of a straight pipe section and a funnel section, so that the whole filtering device can be conveniently detached and installed, and the filtering piece can be conveniently detached and cleaned after being used for a long time; meanwhile, the water outlet end of the water pump can be directly connected with the water inlet pipe, no gap is reserved between the water inlet of the water inlet pipe and the fixed pipe, and water pumped by the water pump enters the fixed pipe from the large end of the funnel section, so that the water can be prevented from flowing into the next stage without being filtered.

Drawings

fig. 1 is a schematic view of the overall structure of a water inlet device for a water quality analyzer in embodiment 1 of the present invention;

FIG. 2 is a diagram showing a state of use of a water inlet device for a water quality analyzer in example 1 of the present invention;

Fig. 3 is a first schematic structural view of a connecting pipe and a fixing pipe in embodiment 2 of the present invention;

Fig. 4 is a second schematic structural view of the connecting tube and the fixing tube in embodiment 2 of the present invention;

Fig. 5 is a schematic structural view of a water inlet device for a water quality analyzer in embodiment 3 of the present invention.

Description of reference numerals:

1. A water inlet pipe; 2. a filtration device; 3. a fixed tube; 4. a connecting pipe; 5. a filter member; 6. a filtration pore; 7. a first chute; 8. a first stopper; 9. a second chute; 10. a second limiting block; 11. a spring; 12. a straight pipe section; 13. a funnel section.

Detailed Description

embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

example 1:

As shown in fig. 1 and 2, a water installations for water quality analyzer, including inlet tube 1 and the filter equipment 2 of setting in inlet tube 1, filter equipment 2 includes fixed pipe 3, connecting pipe 4 and filters piece 5, fixed pipe 3 is coaxial to be fixed in inlet tube 1, connecting pipe 4 slip cover is established fixed pipe 3's outside, it fights the column structure for the macrostoma confined awl to filter piece 5, filter piece 5 the osculum end with the one end fixed connection of connecting pipe 4, filter piece 5 the macrostoma end hug closely fixed pipe 3 keeps away from the terminal surface of inlet tube 1's water inlet one end, filter piece 5's lateral wall and terminal surface and all seted up a plurality of filtration pores 6.

The fixed pipe 3 is fixedly connected with the water inlet pipe 1 through a flange or a bearing, and the flange or the bearing is arranged to block a gap between the fixed pipe 3 and an inlet of the water inlet pipe 1, so that water is prevented from flowing into the next stage through the gap.

The one end that filtering piece 5 was kept away from to connecting pipe 4 is provided with the internal thread, the one end that the water inlet of inlet tube 1 was kept away from to fixed pipe 3 be provided with the external screw thread that the internal thread matches. Connecting pipe 4 at first links to each other with fixed pipe 3 through internal thread and external screw thread, makes the internal thread revolve to leaving the external screw thread after that, makes connecting pipe 4 and fixed pipe 3 because the effect of internal thread and external screw thread, and connecting pipe 4 can not the fixed pipe 3 of slippage when can relative slip.

The working principle is as follows: when in use, water is pumped to the water inlet pipe 1 by the water pump. The process water is filtered by the filter device 2 in the water inlet pipe 1 and then enters the next stage, and the next stage can be provided with devices such as a filter screen and the like, and can also directly enter water quality analysis in the following stage. In the water filtration process: in the initial stage, water flows through the filter holes 6 on the end face of the filter element 5 from the fixed pipe 3 to complete the filtration. When the filtering time is too long or the filtering holes 6 on the end surface of the filtering piece 5 are blocked due to other reasons, the water pressure in the fixed pipe 3 is increased because the water pump pumps water into the fixed pipe 3 ceaselessly. The end face of the filter piece 5 is acted on by water pressure, so that the filter piece 5 is pushed to slide along the axial direction of the fixed pipe 3, and the filter piece 5 drives the connecting pipe 4 to slide. In the sliding process, the distance between the end surface of the filter element 5 and the end part of the fixed pipe 3 is gradually increased, the side wall of the filter element 5 is gradually pulled out, and finally a conical filter cavity is formed between the filter element 5 and the end part of the fixed pipe 3. The water in the fixed pipe 3 is discharged into the filter chamber, and is filtered by the side wall of the filter member 5 and the end face of the filter member 5, removing the blocked portion, and finally discharged to the next stage.

Example 2:

As shown in fig. 3 and fig. 4, in this embodiment, on the basis of embodiment 1, a first sliding groove 7 is formed in the inner wall of the connecting pipe 4 along the axial direction, one end of the connecting pipe 4, which is far away from the filtering piece 5, is provided with a first limiting block 8, one end of the fixed pipe 3, which is far away from the water inlet of the water inlet pipe 1, is provided with a second limiting block 10 corresponding to the first limiting block 8, a second sliding groove 9 corresponding to the first sliding groove 7 is formed in the outer wall of the fixed pipe 3 along the axial direction, the first limiting block 8 is slidably connected to the second sliding groove 9, and the second limiting block 10 is slidably connected to the first sliding groove 7. When filtering piece 5 and driving connecting pipe 4 along fixed pipe 3 and sliding, first stopper 8 slides in second spout 9, and the slip stops when first stopper 8 contacts with the spacing hole of second, filters the lateral wall of piece 5 this moment and all is in operating condition. The first stopper 8, the second stopper 10 that set up can prevent that connecting pipe 4 slippage from fixing the pipe 3, and under the effect of the first stopper 8 of first spacing groove and the first stopper 10 of second spacing groove structure of setting, can prevent to take place relative rotation between connecting pipe 4 and the fixed pipe 3.

And a spring 11 is fixedly connected between the first limiting block 8 and the second limiting block 10. When the end face of the filtering piece 5 is normally filtered, under the action of the spring 11, the end face of the filtering piece 5 is tightly attached to the end face of the fixed pipe 3, so that the filtering piece 5 can be prevented from sliding under the impact of water flow initially.

example 3:

as shown in fig. 5, in this embodiment, on the basis of embodiment 1, the fixed pipe 3 is composed of a straight pipe section 12 and a funnel section 13, a small end of the funnel section 13 is fixedly connected to the straight pipe section 12, the connecting pipe 4 is slidably connected to the outside of the straight pipe section 12, and a large end of the funnel section 13 is fixedly connected to the water inlet pipe 1. The large end of the funnel section 13 may be detachably connected to the water inlet pipe 1 by means of flanges or bolts or joints or the like. The arrangement is convenient for the whole disassembly and assembly of the filtering device 2 and the disassembly and cleaning of the filtering piece 5 after long-term use; meanwhile, the water outlet end of the water pump can be directly connected with the water inlet pipe 1, no gap is reserved between the water inlet of the water inlet pipe 1 and the fixed pipe 3, and water pumped by the water pump enters the fixed pipe 3 from the large end of the funnel section 13, so that the water can be prevented from flowing into the next stage without being filtered.

the above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims (5)

1. The utility model provides a water installations for water quality analyzer, includes inlet tube and the filter equipment of setting in the inlet tube, a serial communication port, filter equipment is including fixed pipe, connecting pipe and filtering piece, fixed pipe is coaxial to be fixed in the inlet tube, the connecting pipe slip cap is established the outside of fixed pipe, filter the piece and fill the column structure for macrostoma end confined awl, filter the osculum end of piece with the one end fixed connection of connecting pipe, filter the macrostoma end of piece and hug closely the terminal surface of the water inlet one end of inlet tube is kept away from to fixed pipe, filter the lateral wall and the terminal surface of piece and all seted up a plurality of filtration pores.

2. the water inlet device for the water quality analyzer according to claim 1, wherein an internal thread is provided at an end of the connection pipe away from the filter member, and an external thread matching the internal thread is provided at an end of the fixing pipe away from the water inlet of the water inlet pipe.

3. The water inlet device for the water quality analyzer according to claim 1, wherein a first sliding groove is formed in the inner wall of the connecting pipe in the axial direction, a first limiting block is arranged at one end, away from the filtering member, of the connecting pipe, a second limiting block corresponding to the first limiting block is arranged at one end, away from the water inlet of the water inlet pipe, of the fixing pipe, a second sliding groove corresponding to the first sliding groove is formed in the outer wall of the fixing pipe in the axial direction, the first limiting block is slidably connected with the second sliding groove, and the second limiting block is slidably connected with the first sliding groove.

4. The water inlet device for the water quality analyzer according to claim 3, wherein a spring is fixedly connected between the first limiting block and the second limiting block.

5. The water inlet device for the water quality analyzer according to claim 1, wherein the fixed pipe is composed of a straight pipe section and a funnel section, the small end of the funnel section is fixedly connected with the straight pipe section, the connecting pipe is slidably connected to the outside of the straight pipe section, and the large end of the funnel section is fixedly connected with the water inlet pipe.