Layered sampling device for water quality detection
By employing a combination structure of a sample container, baffle, blocking ball, and stepper motor in the water quality testing device, the problem of low efficiency in layered sampling in existing technologies has been solved, enabling rapid sampling of multi-layered water bodies.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-17
- Publication Date
- 2026-04-10
AI Technical Summary
Existing water quality testing devices are inefficient when performing stratified sampling, requiring multiple insertions into the water at different depths for sampling.
The system employs a combination of a sample container, baffle, blocking ball, traction rod, and stepper motor. It is lowered to the required depth via a traction cable, and the stepper motor drives the adjusting screw to move the push block and the blocking ball, thus enabling simultaneous sampling of multiple water bodies.
It improves the efficiency of water stratification sampling and enables rapid sampling of water at multiple depths.
Smart Images

Figure CN224109112U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to water quality detection field, concretely is a layered sampling device for water quality detection. BACKGROUND
[0002] Water is the source of life, human life and production activities cannot be separated from water, and the quality of drinking water is closely related to human health. With the development of social economy, scientific progress and the improvement of people's living standards, people's requirements for drinking water quality are increasing, and drinking water quality standards are also continuously developed and improved. Water quality detection cannot be separated from water sampling.
[0003] The current water quality detection sampling device, such as the patent with announcement number CN220772641U, includes a base, a fixed plate is fixed on the surface of the base, a first frame rod is fixedly connected to the top surface of the fixed plate, a first U-shaped groove is fixedly arranged at the top of the first frame rod, a fixed block is fixedly connected to one side of the first U-shaped groove, a crank handle is fixedly connected to one side of the fixed block, a No. 1 line cup is fixedly connected inside the first U-shaped groove, a No. 2 line cup is fixedly connected to one side of the No. 1 line cup, the surface of the No. 2 line cup is fixedly connected to a second U-shaped groove, a first bolt is fixedly arranged on the middle surface of the second U-shaped groove, and a second frame rod is fixedly connected to the bottom of one side of the first frame rod.
[0004] According to the related technology in the above, the inventor believes that the water sampler is inserted into the water body and then moved upward to sample the water body. This method can only sample the water body at one depth at a time, resulting in the need for the water sampler to be inserted into the water body at different depths multiple times when sampling the water body at multiple depths, thereby reducing the sampling efficiency when sampling the water body in layers. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a layered sampling device for water quality detection to solve the problems in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0007] A layered sampling device for water quality detection, comprising
[0008] The sample holding mechanism includes a sample holding cylinder, a traction cable is fixedly connected to the top of the sample holding cylinder, a hexagonal pipe is fixedly connected to the inside middle position of the sample holding cylinder, a plurality of partition plates are uniformly fixedly connected to the inside of the sample holding cylinder, each group of partition plates is fixedly connected with the hexagonal pipe, a plurality of layers of water pipes are fixedly connected in a ring array on the outside of the sample holding cylinder, each layer of water pipe corresponds to each group of partition plates, and each group of water pipes is in communication with the inside of the sample holding cylinder.
[0009] The sampling mechanism comprises water pipe groups fixedly connected with water passing rings inside the water pipe groups, each group of water passing rings abutting against blocking balls away from the inside of the sample container, each group of blocking balls fixedly connected with traction rods close to the sample container, the traction rods slidingly penetrating the hexagonal pipe, each group of traction rods fixedly connected with annular plates outside, each group of annular plates fixedly connected with springs between the inner walls of the hexagonal pipe close to the annular plates, the inner top of the sample container fixedly connected with a stepping motor, the output end of the stepping motor fixedly connected with an adjusting screw, and the outer side of the adjusting screw threadedly connected with a push block.
[0010] As a further scheme of the utility model, each group of water pipes is threadedly connected with a threaded ring away from the sample container, and each group of threaded rings is fixedly connected with a filter screen inside.
[0011] As a further scheme of the utility model, the bottom of the sample container is fixedly connected with a counterweight, and the outer side of the sample container is uniformly fixedly connected with multiple counterweight rings.
[0012] As a further scheme of the utility model, the outer side of the traction rod is slidingly connected with a guide ring, and multiple connecting rods are fixedly connected between the guide ring and the water pipe in an annular array.
[0013] As a further scheme of the utility model, each group of annular plates and the inner wall of the hexagonal pipe are fixedly connected with rubber bellows, and each group of springs is respectively sleeved inside each group of rubber bellows.
[0014] As a further scheme of the utility model, the outer side of the push block is fixedly connected with multiple sliding blocks in an annular array, each group of sliding blocks is slidingly penetrated by a sliding rod inside, and each group of sliding rods is fixedly connected with the inner wall of the sample container.
[0015] As a further scheme of the utility model, each group of traction rods is movably connected with a movable ball away from the blocking ball, and the movable ball corresponds to the push block.
[0016] Compared with the prior art, the utility model has the advantages that:
[0017] The utility model discloses adopt above -mentioned structure, through the mutual cooperation of traction cable, baffle, obstruction ball, push block and step motor, the traction of traction cable can be put to the required depth to the sample cylinder, and the step motor can drive the adjusting screw rotation when starting work, and the adjusting screw can drive push block to move upward when rotating, and push block can push the traction rod to move away from the side of adjusting screw when moving upward through the traction rod, and then drive obstruction ball to move away from the side of adjusting screw, and obstruction ball moves away from the side of adjusting screw, and the water ring is opened, and the water of corresponding depth passes through the water ring and the water ring and enters between the corresponding two baffles, thereby the water body sampling of corresponding depth is completed, and then the mode can satisfy the sampling of multiple depth water bodies, thereby effectively improve the efficiency of water body stratified sampling. BRIEF DESCRIPTION OF DRAWINGS
[0018] The utility model will be further explained in detail in connection with the embodiment in the drawings, but does not constitute any limit to the utility model.
[0019] Figure 1 It is a kind of water quality detection with the structure diagram of stratified sampling device.
[0020] Figure 2 It is a kind of water quality detection with the partial structure sectional view of stratified sampling device.
[0021] Figure 3 It is a kind of water quality detection with the structure diagram of stratified sampling device Figure 2 A part.
[0022] Figure 4 It is a kind of water quality detection with the structure diagram of stratified sampling device Figure 2 B part.
[0023] In the drawing: 1, sample mechanism;101, sample cylinder;102, baffle;103, hexagonal pipe;104, water pipe;105, counterweight ring;106, counterweight block;107, threaded ring;108, traction cable;109, filter screen;2, sampling mechanism;201, traction rod;202, water ring;203, obstruction ball;204, guide ring;205, connecting rod;206, movable ball;207, annular plate;208, spring;209, adjusting screw;210, push block;211, sliding block;212, sliding rod;213, rubber bellows;214, step motor. DETAILED DESCRIPTION
[0024] The technical scheme of the patent will be further explained in detail in connection with specific implementation.
[0025] Please refer to Figures 1-4The utility model provides a layered sampling device for water quality detection, including sample containing mechanism 1, sample containing mechanism 1 includes sample containing cylinder 101, the top fixedly connected with traction cable 108 of sample containing cylinder 101, the setting of traction cable 108 is used for the traction of sample containing cylinder 101, thereby the height of sample containing cylinder 101 is adjusted.
[0026] The bottom of sample containing cylinder 101 is fixedly connected with counterweight 106, and the outer side of sample containing cylinder 101 is uniformly fixedly connected with multiple counterweight rings 105, and the setting of counterweight 106 and counterweight ring 105 is used to increase the weight of the whole device, so as to reduce the probability that sample containing cylinder 101 floats on the water surface.
[0027] The outer side of sample containing cylinder 101 is fixedly connected with multiple layers of water pipes 104 in a ring array, each layer of water pipe 104 corresponds to each group of partition plates 102 respectively, each group of water pipes 104 is in communication with the inside of sample containing cylinder 101, and the setting of water pipe 104 facilitates the water outside to be discharged into the adjacent two partition plates 102.
[0028] The end of each group of water pipes 104 away from sample containing cylinder 101 is screwedly connected with a threaded ring 107, the inside of each group of threaded rings 107 is fixedly connected with a filter screen 109, the setting of filter screen 109 is used to filter the water discharged into the inside of water pipe 104, so as to reduce the probability that weeds and sundries in the water body enter the inside of water pipe 104.
[0029] The outer side of each group of traction rods 201 is fixedly connected with an annular plate 207, and each group of annular plates 207 is fixedly connected with a spring 208 between the inner walls of the hexagonal tube 103. Specifically, the spring 208 is in a compressed state, so that the elastic action of the spring 208 can push the annular plate 207, the traction rod 201 and the blocking ball 203 to move towards the inside of the hexagonal tube 103, so that the blocking ball 203 abuts against the water passing ring 202. Each group of annular plates 207 is fixedly connected with a rubber bellows 213 between the inner walls of the hexagonal tube 103, and each group of springs 208 is respectively sleeved in each group of rubber bellows 213. The arrangement of the rubber bellows 213 and the annular plate 207 can shield the gap between the hexagonal tube 103 and the traction rod 201, so as to reduce the probability of water entering the inside of the hexagonal tube 103 through the gap between the traction rod 201 and the hexagonal tube 103.
[0030] The inner top of the sample cylinder 101 is fixedly connected with a stepper motor 214, and the output end of the stepper motor 214 is fixedly connected with an adjusting screw 209. The stepper motor 214 is arranged to drive the adjusting screw 209 to rotate when starting to work. Specifically, the traction cable 108 includes a steel cable for moving the sample cylinder 101 up and down and a cable for transmitting electric energy when the stepper motor 214 works. The outer side of the adjusting screw 209 is threadedly connected with a push block 210. The adjusting screw 209 is arranged to drive the push block 210 to move up and down when starting to work, so that the push block 210 can push the traction rod 201 to move away from the inside of the hexagonal tube 103 when passing through the traction rod 201.
[0031] The outer side of the push block 210 is fixedly connected with a plurality of sliding blocks 211 in an annular array, the inside of each group of sliding blocks 211 is slidably penetrated by a sliding rod 212, and each group of sliding rods 212 is fixedly connected with the inner wall of the sample cylinder 101. The sliding rod 212 and the sliding block 211 can guide the up and down movement of the push block 210. The end of each group of traction rods 201 away from the blocking ball 203 is movably connected with a movable ball 206, and the movable ball 206 corresponds to the push block 210. The arrangement of the movable ball 206 can reduce the wear between the traction rod 201 and the push block 210.
[0032] In use, the traction cable 108 is fixed to the output end of the winch at the end away from the sample cylinder 101, and in sampling, the sample cylinder 101 is extended into the water, and then the winch is started to pay out the traction cable 108, and then the sample cylinder 101 is moved downward under the action of gravity until the lowermost row of water pipes 104 is adjusted to the same height as the first sampling, and then the stepper motor 214 is started to rotate the adjusting screw 209, and the adjusting screw 209 rotates to drive the push block 210 to move upward, and when the push block 210 moves upward through the lowermost layer of movable balls 206, the lowermost layer of movable balls 206, the traction rod 201 and the blocking ball 203 are driven to move away from the hexagonal tube 103, so that the inside of the lowermost layer of water passing rings 202 is opened, and then the water of the corresponding depth flows into the space between the two layers of partitions 102 through the lowermost layer of water passing rings 202 and the water pipes 104, so as to realize sampling of the water body of the corresponding depth, and when the push block 210 moves downward through the lowermost layer of movable balls 206, the springs 208 of the lowermost layer are restored to deform, thereby driving the annular plate 207, the traction rod 201 and the blocking ball 203 of the lowermost layer to move to the side of the hexagonal tube 103, so that the blocking ball 203 of the lowermost layer blocks the water passing ring 202 again, and then the winch is started to lower the second last layer of water pipes 104 to the next sampling depth, and then the water body of the next depth is sampled in the same way.
[0033] The above-mentioned embodiments are the preferred embodiments of the present application, which are only used to facilitate the description of the present application and do not limit the present application in any form. Any person with ordinary knowledge in the art can make equivalent embodiments by making partial changes or modifications within the scope of the technical features disclosed in the present application without departing from the technical features of the present application, and the equivalent embodiments still belong to the scope of the technical features of the present application.
Claims
1. A layered sampling device for water quality testing, characterized by, Comprising The sample mechanism (1) includes a sample cylinder (101), the top of which is fixedly connected with a traction cable (108), and the inside of which is fixedly connected with a hexagonal tube (103) at the middle position. The inside of the sample cylinder (101) is uniformly fixedly connected with a plurality of partitions (102), each group of which is fixedly connected with the hexagonal tube (103). The outside of the sample cylinder (101) is fixedly connected with a plurality of layers of water pipes (104) in a ring array, each layer of which corresponds to each group of partitions (102), and each group of water pipes (104) is in communication with the inside of the sample cylinder (101). The sampling mechanism (2) includes a water passing ring (202) fixedly connected inside each group of water pipes (104), and each group of water passing rings (202) is abutted with a blocking ball (203) away from the inside of the sample cylinder (101). Each group of blocking balls (203) is fixedly connected with a traction rod (201) near the sample cylinder (101), the traction rod (201) slides through the hexagonal tube (103), and the outside of each group of traction rods (201) is fixedly connected with a ring plate (207). Each group of ring plates (207) is fixedly connected with a spring (208) between the inner walls of the hexagonal tube (103) near the hexagonal tube (103). The inside top of the sample cylinder (101) is fixedly connected with a stepper motor (214), the output end of which is fixedly connected with an adjusting screw (209), and the outside of the adjusting screw (209) is threadedly connected with a push block (210).
2. The layered sampling device for water quality detection according to claim 1, characterized in that, Each group of water pipes (104) is threadedly connected with a threaded ring (107) away from the sample cylinder (101), and each group of threaded rings (107) is fixedly connected with a filter screen (109) inside.
3. The layered sampling device for water quality detection according to claim 1, characterized in that, The bottom of the sample cylinder (101) is fixedly connected with a counterweight (106), and the outside of the sample cylinder (101) is uniformly fixedly connected with a plurality of counterweight rings (105).
4. The layered sampling device for water quality detection according to claim 1, characterized in that, The outside of the traction rod (201) is slidingly connected with a guide ring (204), and the guide ring (204) is fixedly connected with a plurality of connecting rods (205) in a ring array between the water pipes (104).
5. The layered sampling device for water quality detection according to claim 1, characterized in that, Each group of ring plates (207) is fixedly connected with a rubber bellows (213) between the inner walls of the hexagonal tube (103), and each group of springs (208) is respectively sleeved inside each group of rubber bellows (213).
6. The layered sampling device for water quality detection according to claim 1, characterized in that, The outside of the push block (210) is fixedly connected with a plurality of sliding blocks (211) in a ring array, the inside of each group of sliding blocks (211) is slidingly penetrated with a sliding rod (212), and each group of sliding rods (212) is fixedly connected with the inner wall of the sample cylinder (101).
7. The layered sampling device for water quality testing of claim 1, wherein, Each group of traction rods (201) is movably connected with a movable ball (206) away from the blocking ball (203), and the movable ball (206) corresponds to the push block (210).
Citation Information
Patent Citations
Water quality detection sampling device
CN220772641U