Filtering mechanism for water quality detection sampling

Abstract

The filtering mechanism comprises a supporting pipe, four guide grooves are formed in an inner cavity of the supporting pipe, a water passing pipe is connected to the inner cavity of the supporting pipe in a sliding mode, a limiting piece is rotationally connected to the left side of the surface of the water passing pipe, and a spring piece is fixedly connected between the limiting piece and the surface of the water passing pipe; the inner wall of the guide groove is fixedly connected with an inclined face clamping block, the top of the limiting piece is in sliding connection with the bottom of the inclined face clamping block, and the left side of the surface of the supporting pipe is communicated with a hollow rectangular groove. And meanwhile, the connector is pulled to drive the water passing pipe to slide upwards, so that the water passing pipe is separated from the inner cavity of the supporting pipe, and the purposes that the filter screen can be replaced in time, and the situation that the filter screen is blocked due to long-time filtering and adverse effects are brought to follow-up detection work is avoided are achieved.

Description

Technical Field

[0001] This utility model belongs to the field of water quality testing technology, and in particular relates to a filtration mechanism for water quality testing and sampling. Background Technology

[0002] Water quality testing sampling refers to the process of collecting a representative portion of water samples from water bodies such as rivers, lakes, reservoirs, groundwater, and tap water. These water samples will be used for laboratory analysis or rapid on-site testing to determine the various physical, chemical, and biological characteristics of the water body.

[0003] During water sample testing, suspended solids such as silt and algae in the water sample may interfere with the test results. Therefore, the water sample needs to be filtered before testing. In order to replace the filter screen in a timely manner and avoid filter screen blockage caused by prolonged filtration, which would adversely affect subsequent testing, a water quality testing sampling filtration mechanism was designed. This mechanism filters the incoming water flow layer by layer through a multi-layer filter screen inside the water pipe. At the same time, the cooperation of the limiting plate, spring plate and rectangular contact block allows the water pipe to be easily removed after multiple filtrations by the multi-layer filter screen, so that the filter screen can be replaced in a timely manner, thus avoiding filter screen blockage caused by prolonged filtration and adversely affecting subsequent testing. Utility Model Content

[0004] The purpose of this invention is to provide a filtration mechanism for water quality testing and sampling, which allows for timely replacement of the filter screen to avoid filter screen blockage caused by prolonged filtration, thus preventing adverse effects on subsequent testing work and solving the aforementioned technical problems.

[0005] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: A filtration mechanism for water quality testing and sampling includes a support tube: the inner cavity of the support tube is provided with four guide grooves, a water passage pipe is slidably connected to the inner cavity of the support tube, a limiting plate is rotatably connected to the left side of the surface of the water passage pipe, a spring plate is fixedly connected between the limiting plate and the surface of the water passage pipe, an inclined locking block is fixedly connected to the inner wall of the guide groove, the top of the limiting plate is slidably connected to the bottom of the inclined locking block, a hollow rectangular groove is connected to the left side of the surface of the support tube, a rectangular abutment block is slidably connected to the inner cavity of the hollow rectangular groove, and the right side of the rectangular abutment block is slidably connected to the left side of the limiting plate.

[0006] Preferably, the bottom of the inner cavity of the guide groove is welded with a support bracket, and four auxiliary support brackets are welded to the surface of the bottom end of the water pipe. The surface of the auxiliary support brackets is slidably connected to the inner cavity of the guide groove.

[0007] Preferably, the inner cavity of the water passing pipe is fixedly connected with multiple layers of filter screens, and the surface of the top end of the water passing pipe is welded with four adapter heads, and the surface of the adapter heads is slidably connected with the inner cavity of the guide groove.

[0008] Preferably, the inner cavity of the support pipe is fixedly connected with a water receiving funnel, the surface of the water receiving funnel is provided with a groove, the surface of the support support is embedded in the inner cavity of the groove, and the inner cavity of the support pipe is provided with a water receiving cup.

[0009] Preferably, the inner cavity of the support pipe is slidably connected with a straight rod, the bottom end of the straight rod is fixedly connected with a rubber pressure ring, and the surface of the rubber pressure ring is slidably connected with the inner cavity of the support pipe.

[0010] Preferably, the surface of the support pipe is communicated with a water inlet pipe, the inner cavity of the water inlet pipe is fixedly connected with a primary screen, and the auxiliary support support is located above the support support.

[0011] The utility model discloses beneficial effects are:

[0012] 1, the utility model discloses a rectangular resistance block is pushed to make the spacing piece rotate and stick to the surface of water passing pipe, simultaneously pull the adapter head and drive water passing pipe to slide upward, and then make water passing pipe separate from the inner cavity of support pipe, can reach the timely replacement of filter screen to avoid the purpose that long -time filtration leads to filter screen blockage, and brings the unfavorable influence to the subsequent detection work;

[0013] 2, the utility model discloses the setting of auxiliary support support can make water passing pipe in the inner cavity of support pipe, be supported under the support of support support, can make water passing pipe can obtain additional support force under the limiting guide effect of auxiliary support support, and make water passing pipe keep linear direction sliding;

[0014] 3, the utility model discloses the setting of rubber pressure ring can make water sample when sliding in the inner cavity of water passing pipe, can be compressed to the hollow of support pipe inner cavity through pushing rubber pressure ring, and then make the water in the inner cavity of water passing pipe can flow out in the inner cavity of water passing pipe faster. DRAWINGS

[0015] Among them:

[0016] Figure 1 It is the front view schematic diagram of one embodiment of the utility model;

[0017] Figure 2 It is the front view sectional surface schematic diagram of one embodiment of the utility model;

[0018] Figure 3 It is the front view sectional surface split schematic diagram of one embodiment of the utility model;

[0019] Figure 4For an embodiment of the utility model Figure 2 The local enlarged view of point A in the middle.

[0020] In the drawings, the component list represented by each sign is as follows:

[0021] 1, support pipe, 2, guide groove, 3, water pipe, 4, limiting sheet, 5, spring sheet, 6, inclined surface clamping block, 7, hollow rectangular groove, 8, rectangular resistance block, 9, support, 10, auxiliary support, 11, multilayer filter screen, 12, adapter, 13, water collecting funnel, 14, water collecting cup, 15, straight rod, 16, rubber pressure ring, 17, water inlet pipe, 18, primary screen. Specific implementation

[0022] Hereinafter, the embodiment of the water quality detection sampling filter mechanism of the utility model will be described with reference to the drawings.

[0023] Embodiment one:

[0024] Figures 1-4 The water quality detection sampling filter mechanism of an embodiment of the utility model is shown, which comprises: support pipe 1: the inner cavity of support pipe 1 is provided with four guide grooves 2, the inner cavity of support pipe 1 is slidably connected with water pipe 3, the left side of the surface of water pipe 3 is rotatably connected with limiting sheet 4, spring sheet 5 is fixedly connected between the surface of limiting sheet 4 and water pipe 3, inclined surface clamping block 6 is fixedly connected to the inner wall of guide groove 2, the top of limiting sheet 4 is slidably connected with the bottom of inclined surface clamping block 6, the left side of the surface of support pipe 1 is communicated with hollow rectangular groove 7, the inner cavity of hollow rectangular groove 7 is slidably connected with rectangular resistance block 8, the right side of rectangular resistance block 8 is slidably connected with the left side of limiting sheet 4, support 9 is welded to the bottom of the inner cavity of each of the four guide grooves 2, four auxiliary supports 10 are welded to the surface of the bottom end of water pipe 3, the surface of auxiliary support 10 is slidably connected with the inner cavity of guide groove 2, through the setting of auxiliary support 10, water pipe 3 can be supported by support 9 in the inner cavity of support pipe 1, and water pipe 3 can be additionally supported under the limiting and guiding action of auxiliary support 10, water pipe 3 can keep linear sliding, the inner cavity of water pipe 3 is fixedly connected with multilayer filter screen 11, four adapters 12 are welded to the surface of the top end of water pipe 3, the surface of adapter 12 is slidably connected with the inner cavity of guide groove 2, water collecting funnel 13 is fixedly connected in the inner cavity of support pipe 1, recesses are formed in the surface of water collecting funnel 13, and the surface of support 9 is embedded in the inner cavity of the recess.

[0025] Embodiment two:

[0026] Figures 1-4The utility model discloses a water quality detection sampling filter mechanism, it includes: support pipe 1: the inner chamber of support pipe 1 is seted up four guide grooves 2, the inner chamber slidingly connected of support pipe 1 has the water pipe 3, the left side of water pipe 3 surface rotatable connection has the limit sheet 4, and the limit sheet 4 and the surface between water pipe 3 are fixedly connected with spring sheet 5, and the inner wall of guide groove 2 is fixedly connected with inclined surface clamping block 6, and the top of limit sheet 4 and the bottom of inclined surface clamping block 6 are slidingly connected, and the left side of support pipe 1 surface is communicated with hollow rectangular groove 7, and the inner chamber slidingly connected of hollow rectangular groove 7 has rectangular resistance block 8, and the right side of rectangular resistance block 8 and the left side of limit sheet 4 are slidingly connected, and the bottom of support pipe 1 inner chamber places the water receiving cup 14, and the inner chamber slidingly connected of support pipe 1 has straight rod 15, and the bottom of straight rod 15 is fixedly connected with rubber pressure ring 16, and the surface of rubber pressure ring 16 and the inner chamber of support pipe 1 are slidingly connected, through the setting of rubber pressure ring 16, can make water sample in the inner chamber of water pipe 3 sliding, can through pushing rubber pressure ring 16 to the hollow of support pipe 1 inner chamber compression, and then make the water of water pipe 3 inner chamber can flow out the inner chamber of water pipe 3 faster, and the surface of support pipe 1 is communicated with inlet tube 17, and the inner chamber fixedly connected of inlet tube 17 has primary screen 18, and auxiliary support 10 is located above support 9.

[0027] Working principle: when using the utility model, the user makes the position of auxiliary support 10 align with guide groove 2, and then makes water pipe 3 be limited during the sliding process in the inner chamber of support pipe 1, when the position of limit sheet 4 is close to inclined surface clamping block 6, the special shape on the surface of inclined surface clamping block 6 pushes limit sheet 4 to rotate, when the bottom of auxiliary support 10 contacts the top of support 9, the rebound force of spring sheet 5 resets limit sheet 4, and makes limit sheet 4 be limited under the action of inclined surface clamping block 6, and then fixes the position of water pipe 3, when the multilayer filter screen 11 in the inner chamber of water pipe 3 needs to be replaced after filtering for many times, pull out rubber pressure ring 16, then push rectangular resistance block 8 to make limit sheet 4 rotate and adhere to the surface of water pipe 3, simultaneously pull connector 12 to drive water pipe 3 to slide upward, then make limit sheet 4 be out of the limiting range of inclined surface clamping block 6, and then make water pipe 3 be out of the inner chamber of support pipe 1, so that the filter screen can be replaced in time, to avoid filter screen blockage caused by long-time filtering, which brings adverse effects on subsequent detection work.

[0028] In conclusion: the water quality detection sampling filter mechanism, through pushing rectangular resistance block 8 to make limit sheet 4 rotate and adhere to the surface of water pipe 3, simultaneously pull connector 12 to drive water pipe 3 to slide upward, then make water pipe 3 be out of the inner chamber of support pipe 1, so that the filter screen can be replaced in time, to avoid filter screen blockage caused by long-time filtering, which brings adverse effects on subsequent detection work.

Claims

1. A filtering mechanism for water quality detection sampling, characterized in that, The utility model provides a support pipe (1) including four guide grooves (2) in the inner cavity of the support pipe (1), a water passing pipe (3) is connected to the inner cavity of the support pipe (1) in a sliding manner, a limiting sheet (4) is rotatably connected to the left side of the surface of the water passing pipe (3), a spring sheet (5) is fixedly connected between the surface of the water passing pipe (3) and the limiting sheet (4), a bevel clamping block (6) is fixedly connected to the inner wall of the guide groove (2), the top of the limiting sheet (4) is connected to the bottom of the bevel clamping block (6) in a sliding manner, a hollow rectangular groove (7) is communicated to the left side of the surface of the support pipe (1), a rectangular resisting block (8) is connected to the inner cavity of the hollow rectangular groove (7) in a sliding manner, and the right side of the rectangular resisting block (8) is connected to the left side of the limiting sheet (4) in a sliding manner.

2. The filtering mechanism for water quality detection sampling according to claim 1, characterized in that, The bottom of the inner cavity of each of the four guide grooves (2) is welded with a support bracket (9), and the surface of the bottom end of the water passing pipe (3) is welded with four auxiliary support brackets (10), and the surface of the auxiliary support bracket (10) is connected to the inner cavity of the guide groove (2) in a sliding manner.

3. The filtering mechanism for water quality detection sampling according to claim 2, characterized in that, The inner cavity of the water passing pipe (3) is fixedly connected with a plurality of filter screens (11), the surface of the top end of the water passing pipe (3) is welded with four adapter heads (12), and the surface of the adapter head (12) is connected to the inner cavity of the guide groove (2) in a sliding manner.

4. The filtering mechanism for water quality detection sampling according to claim 3, characterized in that, The inner cavity of the support pipe (1) is fixedly connected with a water receiving funnel (13), the surface of the water receiving funnel (13) is provided with a groove, the surface of the support bracket (9) is embedded in the inner cavity of the groove, and the bottom of the inner cavity of the support pipe (1) is provided with a water receiving cup (14).

5. The filtering mechanism for water quality detection sampling according to claim 4, characterized in that, The inner cavity of the support pipe (1) is connected with a straight rod (15) in a sliding manner, the bottom end of the straight rod (15) is fixedly connected with a rubber pressure ring (16), and the surface of the rubber pressure ring (16) is connected to the inner cavity of the support pipe (1) in a sliding manner.

6. The filtering mechanism for water quality detection sampling according to claim 5, characterized in that, The surface of the support pipe (1) is communicated with a water inlet pipe (17), the inner cavity of the water inlet pipe (17) is fixedly connected with a primary screen (18), and the auxiliary support bracket (10) is located above the support bracket (9).

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