Water quality detection sampling device

Abstract

The utility model discloses a water quality detection sampling device which comprises a fixed seat, a sampling barrel, a blocking part for preventing impurities from entering the sampling barrel and a lifting part for controlling the sampling height, the blocking part comprises a water inlet formed in one side of the sampling barrel, a connecting opening formed in the top in the water inlet, a filter screen arranged in the water inlet, a connecting block fixedly connected with the top of the filter screen, a cavity formed in the sampling barrel and an inclined block arranged in the cavity; according to the sampling device, the fixed seat, the sampling barrel and the blocking component are arranged, so that the problems that although an existing sampling device can be used for sampling water quality, fallen leaves, impurities and the like possibly exist in the water during sampling, and the sampling device cannot be used for sampling the water quality are solved; the impurities can enter a sampling barrel, so that the sampling accuracy is insufficient, and the practicability is relatively poor.

Description

Technical Field

[0001] The utility model relates to the technical field of water quality sampling, in particular to a water quality detection sampling device. Background Art

[0002] Water quality is the abbreviation of water quality. It indicates the physical (such as color, turbidity, odor, etc.), chemical (the content of inorganic and organic matter) and biological (bacteria, microorganisms, plankton, benthic organisms) characteristics of water and its composition. Water quality is the condition of evaluating water quality. It stipulates a series of water quality parameters and water quality standards. Water quality testing can judge the degree of pollution of water bodies. Sampling devices are required for sampling during water quality testing.

[0003] The existing patent CN219798823U discloses a water quality sampling device, including a water quality sampling component. Through the connecting screw hole and the connecting screw head structure, the support rod can disassemble and assemble the holding component according to the usage and perform repair and replacement. The stability of the connection between the holding component and the support rod can also be effectively improved. Through the snap-fitting protrusion and the snap-fitting hole structure, the storage thick rod can extend or retract the adjustment thin rod according to the usage, and the extended or retracted adjustment thin rod can be snap-fitted and fixed. At the same time, the first baffle plate sleeved on the middle part of the adjustment thin rod can also be snap-fitted and fixed. The support rod for water quality sampling can make corresponding length adjustments according to the depth of the river water and the water quality sampling depth. The holding part can also be disassembled and assembled, connected, repaired and replaced according to the usage. At the same time, it is convenient to connect and fix the water sample extraction bottle used for water quality extraction to one end of the support rod.

[0004] Based on the search of the above patents and in combination with the sampling devices in the prior art, it was found that although the above sampling devices can sample water quality when in use, during sampling, due to the presence of impurities such as fallen leaves in the water, these impurities will enter the sampling bucket, resulting in insufficient sampling accuracy, thereby resulting in poor practicality. Utility Model Content

[0005] The purpose of the utility model is to provide a water quality detection sampling device to solve the problem that the existing sampling device proposed in the above background technology can sample water quality when in use, but during sampling, due to the presence of fallen leaves and other impurities in the water, these impurities will enter the sampling bucket, resulting in insufficient sampling accuracy and thus poor practicality.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a water quality detection sampling device, comprising a fixed seat, a sampling barrel, a blocking component for preventing impurities from entering the sampling barrel and a lifting component for controlling the sampling height, the blocking component comprising a water inlet opened on one side of the sampling barrel, a connecting port opened on the top of the water inlet, a filter screen arranged in the water inlet, a connecting block fixedly connected to the top of the filter screen, a cavity opened in the sampling barrel, an inclined block arranged in the cavity, a connecting rod fixedly connected to one side of the inclined block, a push plate fixedly connected to one end of the connecting rod, a spring fixedly connected to one side of the push plate, a limiting groove opened on the inclined block, a limiting block connected to the limiting groove, a locking plate fixedly connected to one side of the limiting block and a locking groove opened on the top of the connecting block, the locking plate is plugged into the locking groove, the locking plate passes through the cavity and is slidably connected to the sampling barrel, the connecting block is plugged into the connecting port, the inclined block is slidably connected to the cavity, and the connecting rod passes through the cavity and is slidably connected to the sampling barrel.

[0007] Preferably, the lifting component includes support plates fixedly connected to both sides of the top of the fixed seat, a rotating shaft connected to the support plates, a worm wheel fixedly connected to the outside of the rotating shaft, a worm connected to the worm wheel, a motor fixedly connected to one end of the worm, a winding roller fixedly connected to the outside of the rotating shaft, a connecting rope connected to the winding roller, a rope passing opening opened at the top of the fixed seat, a fixed cylinder fixedly connected to the bottom of the connecting rope, a screw fixedly connected to the top of the sampling cylinder, and a sealing component for preventing water from entering the sampling cylinder, the rotating shaft is rotatably connected to the support plate, the worm wheel is meshed with the worm, and the screw is threadedly connected to the fixed cylinder.

[0008] Preferably, a limiting groove is provided at the bottom of the water inlet, a limiting block is fixedly connected to the bottom of the filter screen, and the limiting block is plugged into the limiting groove.

[0009] Preferably, a fixing rope is fixedly connected to the bottom of the sampling tube, and a counterweight is fixedly connected to the bottom of the fixing rope.

[0010] Preferably, the sealing component includes a protection box fixedly connected to the inner wall of the sampling tube, an electric push rod connected to the protection box, and a piston fixedly connected to the output end of the electric push rod.

[0011] Preferably, guide rollers are respectively provided on both sides of the rope passing opening, and the guide rollers are rotatably connected to the inner wall of the rope passing opening.

[0012] Preferably, vertical plates are respectively provided on both sides of the worm, the worm is rotatably connected to the vertical plates, and the vertical plates are fixedly connected to a fixing seat.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. By setting a fixed seat, a sampling tube and a blocking component, the filter net can block external impurities such as leaves, etc., to prevent these impurities from entering the sampling tube when sampling water quality, which can ensure the accuracy of the sample. In addition, the filter net can be quickly disassembled and replaced, which is convenient for cleaning both sides of the filter net to prevent the filter net from being blocked and affecting the flow efficiency of the water flow, thereby greatly improving the practicality and efficiency of the device;

[0015] 2. By providing a lifting component, the motor can drive the worm to rotate, and then drive the worm wheel and the winding roller to rotate, and then release the connecting rope, so that the sampling tube can enter the water quality easily, and the water quality at different depths can be sampled conveniently, and the sampling range can be increased. The self-locking characteristics of the worm and worm wheel can be used to prevent the sampling tube from moving, thereby further improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the three-dimensional structure provided by the utility model;

[0017] Figure 2 A left side view provided for the utility model;

[0018] Figure 3 The utility model provides Figure 2 The three-dimensional cross-section view at AA in the middle;

[0019] Figure 4 The utility model provides Figure 3 The enlarged view of point B in the middle;

[0020] Figure 5 The utility model provides Figure 3 Enlarged view of point C in the middle.

[0021] In the figure: 1. fixed seat; 11. sampling tube; 21. water inlet; 22. connecting port; 23. filter screen; 24. connecting block; 25. cavity; 26. inclined block; 27. connecting rod; 28. push plate; 29. ​​spring; 30. limiting groove; 31. limiting block; 32. locking plate; 33. locking groove; 41. support plate; 42. rotating shaft; 43. worm gear; 44. worm; 45. motor; 46. winding roller; 47. connecting rope; 48. rope passing port; 49. fixed tube; 50. screw; 51. limiting groove; 52. limiting block; 61. fixed rope; 62. counterweight; 71. protective box; 72. electric push rod; 73. piston; 81. guide roller; 91. vertical plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 as well as Figure 5The utility model provides a technical solution: a water quality detection sampling device, comprising a fixed seat 1, a sampling tube 11, a blocking component for preventing impurities from entering the sampling tube 11, and a lifting component for controlling the sampling height, the blocking component comprising a water inlet 21 opened at one side of the sampling tube 11, a connecting port 22 opened at the top of the water inlet 21, a filter screen 23 arranged in the water inlet 21, a connecting block 24 fixedly connected to the top of the filter screen 23, a cavity 25 opened in the sampling tube 11, an inclined block 26 arranged in the cavity 25, and a connecting rod 27 fixedly connected to one side of the inclined block 26 , a push plate 28 fixedly connected to one end of the connecting rod 27, a spring 29 fixedly connected to one side of the push plate 28, a limiting groove 30 provided on the inclined block 26, a limiting block 31 connected to the limiting groove 30, a locking plate 32 fixedly connected to one side of the limiting block 31, and a locking groove 33 provided on the top of the connecting block 24, the locking plate 32 is plugged into the locking groove 33, the locking plate 32 passes through the cavity 25 and is slidably connected to the sampling tube 11, the connecting block 24 is plugged into the connecting port 22, the inclined block 26 is slidably connected to the cavity 25, the connecting rod 27 passes through the cavity 25 and is slidably connected to the sampling tube 11, and the shape of the limiting groove 30 is The water inlet 21 can be used to facilitate the entry of water from the outside into the sampling tube 11, and the sampling tube 11 can be used to sample water quality. The connecting rod 27 can be moved by pushing the push plate 28, which can drive the inclined block 26 to move. The inclined block 26 can drive the limiting block 31 to slide in the limiting groove 30, and then drive the locking plate 32 to move vertically, leaving space for the connecting block 24 to be inserted into the connecting port 22. The reset of the spring 29 can drive the locking plate 32 to reset, so that the locking plate 32 is inserted into the locking groove 33, and the filter screen 23 can be fixed. The filter screen 23 can be used to detect the outside Impurities are filtered to prevent them from entering the sampling tube 11, so as to ensure the accuracy of the sample. A limit groove 51 is provided at the bottom of the water inlet 21, and a limit block 52 is fixedly connected to the bottom of the filter screen 23. The limit block 52 is plugged into the limit groove 51, and the limit block 52 can be inserted into the limit groove 51, so as to vertically limit the filter screen 23 and prevent the filter screen 23 from moving vertically. A fixed rope 61 is fixedly connected to the bottom of the sampling tube 11, and a counterweight block 62 is fixedly connected to the bottom of the fixed rope 61. The counterweight block 62 can conveniently drive the sampling tube 11 to move downward, so as to conveniently drive the sampling tube 11 into the water for sampling.

[0024] See also Figure 1 , Figure 2 as well as Figure 3The lifting components include support plates 41 fixedly connected to both sides of the top of the fixing seat 1, a rotating shaft 42 connected to the support plate 41, a worm wheel 43 fixedly connected to the outer side of the rotating shaft 42, a worm 44 connected to the worm wheel 43, a motor 45 fixedly connected to one end of the worm 44, a winding roller 46 fixedly connected to the outer side of the rotating shaft 42, a connecting rope 47 connected to the winding roller 46, a rope passing port 48 opened at the top of the fixing seat 1, a fixing cylinder 49 fixedly connected to the bottom of the connecting rope 47, and a fixing cylinder 49 fixedly connected to the top of the sampling cylinder 11. The screw 50 is connected to the support plate 41 and a sealing component for preventing water from entering the sampling tube 11. The rotating shaft 42 is rotatably connected to the support plate 41, the worm wheel 43 is meshed with the worm 44, and the screw 50 is threadedly connected to the fixed tube 49. The motor 45 can drive the worm 44 to rotate, and then the worm wheel 43 can be driven to rotate, and then the rotating shaft 42 and the winding roller 46 can be driven to rotate. The rotation of the winding roller 46 can release the connecting rope 47, so that the sampling tube 11 can enter different depths, which is convenient for sampling water quality at different depths. The screw 50 can quickly replace the damaged sampling tube 11. Guide rollers 81 are respectively provided on both sides of the rope opening 48. The guide rollers 81 are rotatably connected to the inner wall of the rope opening 48. The guide rollers 81 can support and guide the movement of the connecting rope 47 to prevent it from directly contacting the inner wall of the rope opening 48, which causes its wear to increase. Vertical plates 91 are respectively provided on both sides of the worm 44. The worm 44 is rotatably connected to the vertical plates 91. The vertical plates 91 are fixedly connected to the fixing seat 1. The vertical plates 91 can support the worm 44 to ensure that the worm 44 Stable rotation to prevent the worm 44 from swinging when rotating. The closing component includes a protection box 71 fixedly connected to the inner wall of the sampling tube 11, an electric push rod 72 connected to the protection box 71, and a piston 73 fixedly connected to the output end of the electric push rod 72. The piston 73 can close the water inlet 21 to prevent water from entering the sampling tube 11. The electric push rod 72 can drive the piston 73 to move, so as to expose the water inlet 21, thereby facilitating the entry of external water into the sampling tube 11 for sampling.

[0025] Working principle: When working, first install and fix the filter screen 23, push the push plate 28 to drive the connecting rod 27 to move, and at the same time squeeze the spring 29 to deform it, the movement of the connecting rod 27 can drive the inclined block 26 to move, and the movement of the inclined block 26 can drive the limiting block 31 to slide in the limiting groove 30, and then drive the lock plate 32 to move up, at this time, the connecting block 24 at the top of the filter screen 23 can be inserted into the connecting port 22, and the limiting block 52 is inserted into the limiting groove 51 accordingly, at this time, the locking plate 32 is aligned with the locking groove 33, release the push plate 28, and the spring 29 resets to drive the locking plate 32 to reset, so that the locking plate 32 is stuck in the locking groove 33, and the filter screen 23 can be installed and fixed, and then the motor 45 is started, the motor 45 can drive the worm 44 to rotate, the worm 44 can drive the worm wheel 43 to rotate, and the rotation of the worm wheel 43 can rotate the rotating shaft 42 and the winding roller 46, and then can release The connecting rope 47, driven by the counterweight 62, can make the sampling tube 11 enter the water. After it descends to a suitable depth, the electric push rod 72 can be started. The electric push rod 72 can drive the piston 73 to move right, thereby exposing the water inlet 21. At this time, the outside water can enter the sampling tube 11 through the water inlet 21, and filter the impurities and the like through the filter net 23. After the sampling is completed, the electric push rod 72 is started to drive the piston 73 to reset, and the water inlet 21 is closed to prevent water from other positions from entering the sampling tube 11 and contaminating the sample during the upward movement of the sampling tube 11. Then the motor 45 is started to reverse, thereby driving the sampling tube 11 to move up and reset. Then the sampling tube 11 is unscrewed and the water therein can be poured out. The above is the working process of the entire device, and the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A water quality detection sampling device, comprising a fixing seat (1), a sampling tube (11), a blocking component for preventing impurities from entering the sampling tube (11), and a lifting component for controlling the sampling height, characterized in that: The blocking component comprises a water inlet (21) opened at one side of the sampling tube (11), a connecting port (22) opened at the top of the water inlet (21), a filter screen (23) arranged in the water inlet (21), a connecting block (24) fixedly connected to the top of the filter screen (23), a cavity (25) opened in the sampling tube (11), an inclined block (26) arranged in the cavity (25), a connecting rod (27) fixedly connected to one side of the inclined block (26), a push plate (28) fixedly connected to one end of the connecting rod (27), a spring (29) fixedly connected to one side of the push plate (28), and a connecting port (21) opened at the top of the water inlet (21). A limiting groove (30) on the inclined block (26), a limiting block (31) connected to the limiting groove (30), a locking plate (32) fixedly connected to one side of the limiting block (31), and a locking groove (33) opened on the top of the connecting block (24), the locking plate (32) and the locking groove (33) are plugged in, the locking plate (32) passes through the cavity (25) and is slidably connected to the sampling tube (11), the connecting block (24) is plugged in with the connecting port (22), the inclined block (26) is slidably connected to the cavity (25), and the connecting rod (27) passes through the cavity (25) and is slidably connected to the sampling tube (11).

2. A water quality detection sampling device according to claim 1, characterized in that: The lifting component comprises a support plate (41) fixedly connected to both sides of the top of the fixed seat (1), a rotating shaft (42) connected to the support plate (41), a worm wheel (43) fixedly connected to the outer side of the rotating shaft (42), a worm (44) connected to the worm wheel (43), a motor (45) fixedly connected to one end of the worm (44), a winding roller (46) fixedly connected to the outer side of the rotating shaft (42), a connecting rope (47) connected to the winding roller (46), a rope passing opening (48) opened at the top of the fixed seat (1), a fixed cylinder (49) fixedly connected to the bottom of the connecting rope (47), a screw (50) fixedly connected to the top of the sampling cylinder (11), and a sealing component for preventing water from entering the sampling cylinder (11), wherein the rotating shaft (42) is rotatably connected to the support plate (41), the worm wheel (43) is meshed with the worm (44), and the screw (50) is screwed to the fixed cylinder (49).

3. A water quality detection sampling device according to claim 1, characterized in that: A limiting groove (51) is provided at the bottom of the water inlet (21), a limiting block (52) is fixedly connected to the bottom of the filter screen (23), and the limiting block (52) is plugged into the limiting groove (51).

4. A water quality detection sampling device according to claim 1, characterized in that: A fixing rope (61) is fixedly connected to the bottom of the sampling tube (11), and a counterweight block (62) is fixedly connected to the bottom of the fixing rope (61).

5. A water quality detection sampling device according to claim 2, characterized in that: The sealing component comprises a protection box (71) fixedly connected to the inner wall of the sampling tube (11), an electric push rod (72) connected to the protection box (71), and a piston (73) fixedly connected to the output end of the electric push rod (72).

6. A water quality detection sampling device according to claim 2, characterized in that: Guide rollers (81) are respectively provided on both sides of the rope passing opening (48), and the guide rollers (81) are rotatably connected to the inner wall of the rope passing opening (48).

7. A water quality detection sampling device according to claim 2, characterized in that: Vertical plates (91) are respectively provided on both sides of the worm (44); the worm (44) is rotatably connected to the vertical plates (91); and the vertical plates (91) are fixedly connected to the fixing seat (1).

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