Filter applied to automatic water quality monitoring sample inlet
By adopting a well-sealed filtration structure and a double-layer filter design in the water quality monitoring device, the problem of insufficient filter sealing is solved, achieving effective filtration of solid impurities and convenient cleaning, ensuring the normal operation of the instrument and extending its service life.
Patent Information
- Application Number
- CN202423279518.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-30
AI Technical Summary
In existing water sampling devices, the filters are not properly sealed, leading to water leakage and affecting the normal operation and lifespan of the instrument.
A sealed filtration structure is adopted, which includes components such as the main body of the water quality monitor, a stepped ring, an external threaded protective shell, and a ceramic inner shell. The design of a rotating inner screw cylinder with multiple ball bearings and anti-loosening bolts ensures the airtightness of the filter. A double-layer filter is set to perform double filtration to prevent solid impurities from entering the monitoring instrument.
The water quality monitoring instrument has achieved good sealing performance, effectively filtering mud, sand and suspended solids, preventing instrument damage, facilitating the cleaning of solid impurities, and improving the practicality and service life of the device.
Smart Images

Figure CN223747092U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a filter applied to water quality automatic monitoring sampling inlet, belongs to the water quality sampling technical field. BACKGROUND
[0002] Water quality standard is the requirement that various water or discharged water in physical, chemical and biological properties should reach, which is stipulated by the state, department or region. It is a compulsory order with legal effect produced on the basis of water quality benchmark, is the scale to judge whether water quality is applicable, is the target of water quality planning and the technical basis of water quality management. There are different requirements for water quality for different purposes. When analyzing and detecting water quality, generally, sampling device is needed to sample and collect water. In order to prevent water containing solid impurities such as mud, suspended matter and the like from entering the device and causing paralysis and damaging the instrument, it is necessary to filter the water.
[0003] Publication No. CN219922189U discloses a water quality sampling pre-filter. By pushing the lock sleeve axially backward along the through hole, the reset spring is compressed, the lock sleeve moves while driving the pressing block to move, the positioning bead loses the compression of the pressing block, at this time, the filter pipe can be disassembled from the connecting pipe, the first filter plate and the second filter plate can be cleaned, and the filtering effect of the first filter plate and the second filter plate is improved. However, the lock sleeve and the filter pipe are movably connected by the reset spring in the device, which will leave a gap and is prone to water leakage. Therefore, there is an urgent need for a filter applied to water quality automatic monitoring sampling inlet to solve the above problems. CONTENT OF THE UTILITY MODEL
[0004] In view of the deficiencies in the prior art, the utility model aims to provide a filter applied to water quality automatic monitoring sampling inlet to solve the problems in the background art. The utility model adopts a filter structure with good sealing performance, which can filter and collect the water quality added into the water quality monitor, thereby facilitating monitoring personnel to clean the solid impurities such as mud, suspended matter and the like filtered out.
[0005] In order to achieve the above object, the utility model is through the following technical scheme to realize: a filter applied to water quality automatic monitoring sampling inlet, including water quality monitor main part, step ring, outer thread protective shell and ceramic inner shell, the water quality monitor main part right end is installed with sampling inlet pipe, the sampling inlet pipe right end horizontal installation has first half circle connector pipe, the first half circle connector pipe right end is fixed with second half circle connector pipe through waterproof glue, the first half circle connector pipe with second half circle connector pipe outside fixed sleeve has fixed ring, the step ring is fixed in the first half circle connector pipe with second half circle connector pipe outside, and is pasted in fixed ring downside, the step ring inboard is installed with rotary inner screw through a plurality of ball bearings sliding, the step ring inside upper end is fixed with waterproof rubber ring, the outer thread protective shell is screwed in the rotary inner screw through thread principle, the outer thread protective shell inboard is fixed with ceramic inner shell, the ceramic inner shell inside left end is fixed with fixed support vertically, the fixed support upper end is fixed with second half circle filter piece horizontally, the fixed support middle is fixed with first half circle filter piece horizontally.
[0006] Further, the sampling inlet pipe is provided with a valve outside.
[0007] Further, the second half circle connector pipe is provided with a sealing adapter at the right end, and the sealing adapter is provided with a water inlet hose at the right end.
[0008] Further, the step ring is provided with a locking bolt at each of the left and right ends, and the locking bolts are screwed into the left and right sides of the rotary inner screw through the step ring.
[0009] Further, the outer thread protective shell is tightly fitted with the waterproof rubber ring at the upper end.
[0010] Further, the second half circle filter piece and the first half circle filter piece are both located at the lower end inside the first half circle connector pipe.
[0011] The filter applied to water quality automatic monitoring sampling inlet has the advantages that: the filter applied to water quality automatic monitoring sampling inlet is provided with a first half circle connector pipe, a second half circle connector pipe, a fixed ring, a step ring, ball bearings, a rotary inner screw, a locking bolt, a waterproof rubber ring, an outer thread protective shell, a ceramic inner shell, a fixed support, a first half circle filter piece and a second half circle filter piece, and the device has a reasonable structure and good practicability, and the filter structure has good sealing performance, so that the water quality in the water quality monitor can be filtered and collected, the monitoring personnel can conveniently collect and clean the solid impurities such as mud, suspended matter and the like filtered out, and the device is convenient to disassemble and assemble, and is convenient to use and popularize. BRIEF DESCRIPTION OF DRAWINGS
[0012] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments thereof, read in conjunction with the accompanying drawings:
[0013] Fig. 1 Fig. 1 is a schematic diagram of the overall structure of the filter applied to the water quality automatic monitoring sampling inlet of the present application;
[0014] Fig. 2 Fig. 2 is a schematic diagram of the ceramic inner shell of the filter applied to the water quality automatic monitoring sampling inlet of the present application;
[0015] Fig. 3 Fig. 3 is a schematic diagram of the outer thread protective shell of the filter applied to the water quality automatic monitoring sampling inlet of the present application.
[0016] In the figure: 1 - water quality monitor main body, 2 - sampling water inlet pipe, 3 - valve, 4 - first semicircular connecting pipe, 5 - second semicircular connecting pipe, 6 - sealing adapter, 7 - water inlet hose, 8 - fixing ring, 9 - stepped ring, 10 - ball, 11 - rotating inner screw, 12 - lock bolt, 13 - waterproof rubber ring, 14 - outer thread protective shell, 15 - ceramic inner shell, 16 - fixed strut, 17 - first semicircular filter piece, 18 - second semicircular filter piece. DETAILED DESCRIPTION
[0017] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the present application will be further described below in conjunction with specific embodiments.
[0018] Please refer to Figs. 1-3 The present application provides a technical solution: a filter applied to the water quality automatic monitoring sampling inlet, comprising a water quality monitor main body 1, a stepped ring 9, an outer thread protective shell 14 and a ceramic inner shell 15, the water quality monitor main body 1 is installed with a sampling water inlet pipe 2 at the right end, the sampling water inlet pipe 2 is installed with a first semicircular connecting pipe 4 horizontally at the right end, the first semicircular connecting pipe 4 is fixed with a second semicircular connecting pipe 5 through waterproof glue at the right end, the first semicircular connecting pipe 4 and the second semicircular connecting pipe 5 are externally fixed with a fixing ring 8, the stepped ring 9 is fixed outside the first semicircular connecting pipe 4 and the second semicircular connecting pipe 5 and is attached to the lower side of the fixing ring 8, a rotating inner screw 11 is slidably installed inside the stepped ring 9 through a plurality of balls 10, a waterproof rubber ring 13 is fixed inside the stepped ring 9 at the upper end, the outer thread protective shell 14 is screwed into the rotating inner screw 11 through the thread principle, the ceramic inner shell 15 is fixed inside the outer thread protective shell 14, a fixed strut 16 is fixed longitudinally inside the ceramic inner shell 15 at the left end, a second semicircular filter piece 18 is fixed horizontally at the upper end of the fixed strut 16, and a first semicircular filter piece 17 is fixed horizontally in the middle of the fixed strut 16. This design solves the problem that the original device has a gap between the lock sleeve and the filter pipe due to the movable connection of the reset spring, which is prone to water leakage.
[0019] As the first embodiment of the utility model: sampling inlet pipe 2 outside is equipped with valve 3, through adding valve 3 can control sampling inlet pipe 2 on-off water. Second semicircle connector 5 right end is equipped with sealed adapter 6, sealed adapter 6 right end is equipped with inlet hose 7, through adding sealed adapter 6, it is convenient between second semicircle connector 5 and inlet hose connection use.
[0020] Step ring 9 left and right ends are all through the lock bolt 12, and the threaded end of the two lock bolts 12 passes through the step ring 9 and is tightly abutted with the left and right sides of the rotating inner screw cylinder 11 respectively, and the threaded end of the two lock bolts 12 passes through the step ring 9 and is tightly abutted with the left and right sides of the rotating inner screw cylinder 11 respectively, so that the rotating inner screw cylinder 11 cannot rotate in the step ring 9.
[0021] The upper end of the external thread protective shell 14 is tightly abutted with the waterproof rubber ring 13, the upper end of the external thread protective shell 14 is tightly abutted with the waterproof rubber ring 13, so as to ensure the sealing and waterproof property of the upper end of the external thread protective shell 14, and the second semicircle filter piece 18 and the first semicircle filter piece 17 are both located in the lower end of the first semicircle connector 4, the second semicircle filter piece 18 has more mesh than the first semicircle filter piece 17, so that the first semicircle filter piece 17 and the second semicircle filter piece 18 can double-filter the solid impurities such as water quality mud, suspended solids and the like entering the first semicircle connector 4.
[0022] As a second embodiment of the utility model: in actual use, the water inlet hose 7 is put into the water quality to be monitored and sampled, then the valve 3 is opened, and the water quality monitor main body 1 is controlled to carry out suction detection (Note: the water quality monitor in the application is a mature product on the market, and its working and detection principles are not described in detail), the water quality to be monitored and sampled will pass through the water inlet hose 7, the sealing adapter 6, the second half circular connector 5, the ceramic inner shell 15, the first half circular connector 4 and the sampling water inlet pipe 2 into the water quality monitor main body 1 in sequence for detection, in this process, the first half circular filter piece 17 can preliminarily filter and intercept the solid impurities such as water quality mud sand and suspended matter in the first half circular connector 4, and the second half circular filter piece 18 can further filter and intercept the solid impurities such as water quality mud sand and suspended matter passing through the first half circular filter piece 17, so that the water containing solid impurities such as mud sand and suspended matter can be prevented from entering the water quality monitor main body 1 to cause paralysis and damage to the instrument; when the water quality monitor main body 1 needs to be cleaned after a long time of use, the valve 3 is closed (at this time, the solid impurities such as mud sand and suspended matter filtered out will sink into the ceramic inner shell 15 under the action of gravity), the two anti-loosening bolts 12 are loosened, so that the threaded ends of the two anti-loosening bolts 12 are no longer in contact with the left and right sides of the rotating inner cylinder 11, then one hand holds the outer thread protective shell 14 tightly to prevent the outer thread protective shell 14 from rotating, and the other hand twists the rotating inner cylinder 11, the rotating inner cylinder 11 rotates in place in the step ring 9 through the plurality of balls 10, because the outer thread protective shell 14 is connected with the rotating inner cylinder 11 through threads, so when the rotating inner cylinder 11 rotates, the outer thread protective shell 14 held by the other hand can move downward until the outer thread protective shell 14 exits from the lower end of the rotating inner cylinder 11, then the first half circular filter piece 17 and the second half circular filter piece 18 will also exit from the lower end of the first half circular connector 4 in sequence, until the first half circular filter piece 17 and the second half circular filter piece 18 leak out, and the monitoring personnel can clean the solid impurities such as mud sand and suspended matter in the ceramic inner shell 15 at the first half circular filter piece 17 and the second half circular filter piece 18.
[0023] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and it is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.
[0024] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature described. The specification can include implicit combinations of explicitly mentioned features and / or explicit combinations of implicitely mentioned features. Each embodiment depends on the explicit combinations of features and / or the implicit combinations of features made specifically within that embodiment, and each such embodiment can be combined with every other such embodiment to create further embodiments.
Claims
1. A filter applied to the sampling inlet of automatic water quality monitoring, comprising a water quality monitor main body (1), a stepped ring (9), an outer threaded protective shell (14) and a ceramic inner shell (15), characterized in that: The water quality monitor body (1) right end is installed with sampling inlet pipe (2), the sampling inlet pipe (2) right end is installed with first semicircle connector pipe (4), the first semicircle connector pipe (4) right end is fixed with second semicircle connector pipe (5) through waterproof glue, the first semicircle connector pipe (4) and second semicircle connector pipe (5) outside fixed ring (8) are fixed with; The step ring (9) is fixed outside the first semicircle connector pipe (4) and the second semicircle connector pipe (5), and is attached to the lower side of the fixed ring (8), the step ring (9) is slidably installed with a rotating inner screw cylinder (11) through a plurality of balls (10) inside, the waterproof rubber ring (13) is fixed inside the step ring (9), the outer thread protective shell (14) is screwed in the rotating inner screw cylinder (11) through the thread principle, the ceramic inner shell (15) is fixed inside the outer thread protective shell (14), the fixed support rod (16) is fixed longitudinally inside the ceramic inner shell (15) left end, the second semicircle filter disc (18) is fixed horizontally on the fixed support rod (16) upper end, the first semicircle filter disc (17) is fixed horizontally in the fixed support rod (16) middle.
2. The filter applied to the water quality automatic monitoring sampling port according to claim 1, characterized in that: The sampling inlet pipe (2) is installed with a valve (3) outside.
3. The filter applied to the water quality automatic monitoring sampling port according to claim 1, characterized in that: The second semicircle connector pipe (5) right end is installed with sealing adapter (6), the sealing adapter (6) right end is installed with inlet hose (7).
4. The filter applied to the water quality automatic monitoring sampling port according to claim 1, characterized in that: The step ring (9) left and right ends are both provided with a locking bolt (12), and the threaded ends of the two locking bolts (12) pass through the step ring (9) and are tightly abutted with the left and right sides of the rotating inner screw cylinder (11) respectively.
5. The filter applied to the water quality automatic monitoring sampling port according to claim 1, characterized in that: The outer thread protective shell (14) upper end is tightly abutted with the waterproof rubber ring (13).
6. The filter applied to the water quality automatic monitoring sampling port according to claim 1, characterized in that: The second semicircle filter disc (18) and the first semicircle filter disc (17) are both inside the first semicircle connector pipe (4) lower end.
Citation Information
Patent Citations
Water quality sampling pre-filter
CN219922189U