Sampling device for water sample detection

Abstract

The utility model discloses a sampling device for water sample detection, which comprises a shell, a water pumping cavity is arranged on the shell close to the top, a water pump is arranged on the inner cavity of the water pumping cavity close to the top, and the top of the water pump is fixedly connected with a hollow pipe. A water pump, a conveying pipe, a water pumping hose and a sampling ball are matched to pump a water sample into a sampling cavity, a baffle, a vertical rod, a pressing plate and a first spring are arranged, and a water inlet hole is closed, so that the sampling cavity can be closed; by arranging a driven gear, a transmission gear, a rotating rod, a hand-cranking wheel, a limiting ring, a T-shaped rod and a second spring, the position of a conveying pipe can be adjusted, so that the sampling device can store a plurality of water samples at the same time, and the practicability of the device is improved.

Description

Technical Field

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

[0002] Water quality monitoring is an important project in environmental testing. Before conducting water quality monitoring, water samples need to be obtained first. Generally, sampling work must be carried out continuously in the field. In order to prevent cross-contamination between different samples, the sampling equipment needs to be cleaned with distilled water after each sample before it can be used again. In the harsh field environment, the cleaning work causes great trouble to the work of the samplers, resulting in low sampling efficiency. Utility Model Content

[0003] In order to overcome the deficiencies of the prior art, one of the purposes of the utility model is to provide a sampling device for water sample detection.

[0004] One of the purposes of the utility model is achieved by the following technical solution:

[0005] A sampling device for water sample detection comprises a shell, a water pumping cavity is arranged near the top of the shell, and a water pump is arranged near the top of the inner cavity of the water pumping cavity, a hollow tube is fixedly connected to the top of the water pump, a first sealed bearing is fixedly connected to the top of the shell, and the top end of the hollow tube passes through the inner cavity of the first sealed bearing and extends to the top of the shell, a limiting mechanism is arranged on the outside of the hollow tube, a water pumping hose is connected to the top of the water pump, an L-shaped plate is fixedly connected to the left side of the shell near the top, and a through hole is opened on the L-shaped plate, the other end of the water pumping hose passes through the hollow tube and the inner cavity of the through hole, and is fixedly connected to a sampling ball, a delivery pipe is connected to the bottom of the water pump, four sampling cavities are evenly arranged near the middle position of the shell, and a water inlet hole is opened at the top of the sampling cavity, and a sealing mechanism is arranged at the bottom of the four water inlet holes, four drainage pipes are plugged and fixed to the outer wall of the shell, and a pipe valve is arranged on the drainage pipe, and a transmission cavity is arranged near the bottom of the shell.

[0006] Furthermore, a cleaning pump is installed near the middle position on the shell, and a six-way joint is connected to the top of the cleaning pump, and a liquid delivery pipe is fixed to the top of the six-way joint, and the top of the liquid delivery pipe extends to the inner cavity of the water pumping chamber, and connecting pipes are fixed to the four outer sides of the six-way joint, and the other end of the connecting pipe extends to the inner cavity of the adjacent sampling chamber, and a cleaning liquid tank and a clear water tank are provided near the bottom of the shell, and liquid extraction pipes are connected to the left and right sides of the cleaning pump, and the other end of the liquid extraction pipe on the left side extends to the inner cavity of the cleaning liquid tank near the bottom, and the other end of the liquid extraction pipe on the right side extends to the inner cavity of the clear water tank near the bottom.

[0007] Furthermore, handles are welded on both the front and rear sides of the shell, and the handles are made of stainless steel.

[0008] Furthermore, the sealing mechanism includes a baffle, and the baffle is fitted at the bottom of the water inlet hole, the top of the baffle is fixedly connected to a vertical rod, the bottom of the inner cavity of the water pumping chamber is provided with a first through-hole matching the vertical rod, the top of the shell is provided with a second through-hole matching the vertical rod, the top of the vertical rod passes through the first through-hole and the second through-hole inner cavity, and is fixedly connected to a pressure plate, the outer side of the vertical rod is sleeved with a first spring, and the two ends of the first spring are respectively fixedly connected to the pressure plate and the shell.

[0009] Furthermore, two sealing rings arranged up and down are sleeved on the outer side of the vertical rod, and the sealing rings are fixedly connected to the inner side wall of the water pumping cavity.

[0010] Furthermore, a driving motor is fixedly installed at the middle position of the bottom of the inner cavity of the transmission cavity, and a transmission bevel gear is fixedly connected to the power output end of the driving motor, four driven bevel gears are meshed at the top of the transmission bevel gear, and a worm is fixedly connected at the center of the other side of the four driven bevel gears, and the other ends of the four worms are rotatably connected to the inner wall of the transmission cavity, a second sealed bearing is fixedly installed at the bottom of the inner cavity of the four sampling cavities, and a rotating shaft is rotatably connected to the inner cavity of the second sealed bearing, a plurality of stirring blades are fixedly connected to the top of the four rotating shafts, and a worm wheel is fixedly connected to the bottom of the four rotating shafts, and the four worm wheels are respectively meshed with adjacent worms.

[0011] Furthermore, the limiting mechanism includes a driven gear, and the driven gear is sleeved and fixed on the outside of the hollow tube, a transmission gear is meshed on the right side of the driven gear, and a rotating rod is fixed through the center of the transmission gear, the bottom end of the rotating rod is rotatably connected to the top of the shell, and the top of the rotating rod is fixedly connected to a hand wheel, a limiting ring is sleeved and fixed on the outside of the rotating rod near the bottom end, and four blind holes are evenly provided on the outer wall of the limiting ring, a fixing plate is provided on the right side of the limiting ring, and the fixing plate is fixedly connected to the shell, a through hole is provided on the fixing plate, and a T-shaped rod is passed through the inner cavity of the through hole, the left end of the T-shaped rod is inserted into one of the blind hole cavities, a second spring is sleeved on the outer side of the T-shaped rod, and the two ends of the second spring are respectively fixedly connected to the fixing plate and the T-shaped rod.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. Through the arrangement of multiple sampling chambers, water samples can be pumped into the sampling chamber by using the cooperation of a water pump, a delivery pipe, a water pump hose and a sampling ball, and the sampling chamber can be sealed by arranging a baffle, a vertical rod, a pressure plate and a first spring and closing the water inlet hole, and the position of the delivery pipe can be adjusted by arranging a driven gear, a transmission gear, a rotating rod, a hand-cranked wheel, a limiting ring, a T-shaped rod and a second spring, so that the sampling device can store multiple water samples at the same time, thereby improving the practicality of the device;

[0014] 2. By setting up a cleaning pump, a liquid extraction pipe, a six-way joint, a liquid delivery pipe and a connecting pipe, the cleaning liquid and clean water can be pumped into the sampling chamber and the water extraction chamber. Then, the driving motor drives the transmission bevel gear to rotate, and the transmission bevel gear rotates to drive multiple driven bevel gears to rotate, and drives the worm to rotate. The rotation of the worm drives the worm wheel to rotate and drives the rotating shaft to rotate. The rotation of the rotating shaft drives several stirring blades to rotate, so that the sampling chamber can be cleaned, and then the cleaning liquid and clean water are discharged from the sampling ball through the water pump, thereby realizing secondary cleaning.

[0015] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the utility model more obvious and easy to understand, the following preferred embodiments are specifically cited and described in detail with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional diagram of this embodiment;

[0017] Figure 2 This is a front view of the structure of the present embodiment;

[0018] Figure 3 This is a schematic diagram of the top view of the component housing of this embodiment;

[0019] Figure 4 for Figure 2 A magnified view of the structure at point B.

[0020] In the figure: 1, shell; 2, pumping chamber; 3, water pump; 4, delivery pipe; 5, hollow pipe; 6, L-shaped plate; 7, pumping hose; 8, sampling ball; 9, sampling chamber; 10, water inlet hole; 11, baffle; 12, vertical rod; 13, pressure plate; 14, first spring; 15, drain pipe; 16, cleaning liquid tank; 17, clean water tank; 18, cleaning pump; 19, pumping pipe; 20, six-way joint; 21, liquid delivery pipe; 22, connecting pipe; 23, transmission chamber; 24, driving motor; 25, transmission bevel gear; 26, driven bevel gear; 27, worm; 28, worm wheel; 29, rotating shaft; 30, stirring blade; 31, driven gear; 32, transmission gear; 33, rotating rod; 34, hand wheel; 35, limiting ring; 36, T-shaped rod; 37, second spring; 38, handle. DETAILED DESCRIPTION

[0021] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0022] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0024] See also Figures 1 to 4 , the utility model provides the following technical solutions:

[0025] A sampling device for water sample detection includes a shell 1, handles 38 are welded on both the front and rear sides of the shell 1, and the handles 38 are made of stainless steel to facilitate the carrying of the device. A water pumping chamber 2 is arranged near the top of the shell 1, and a water pump 3 is arranged near the top of the inner cavity of the water pumping chamber 2, a hollow tube 5 is fixedly connected to the top of the water pump 3, a first sealed bearing is fixedly connected to the top of the shell 1, and the top of the hollow tube 5 passes through the inner cavity of the first sealed bearing and extends to the top of the shell 1, a limiting mechanism is arranged on the outside of the hollow tube 5, a water pump hose 7 is connected to the top of the water pump 3, an L-shaped plate 6 is fixedly connected to the left side of the shell 1 near the top, and the L-shaped plate A through hole is opened on the shell 1, and the other end of the water suction hose 7 passes through the hollow tube 5 and the inner cavity of the through hole, and is fixedly connected with a sampling ball 8. The bottom of the water pump 3 is connected with a delivery pipe 4. Four sampling chambers 9 are evenly arranged near the middle position on the shell 1, and a water inlet hole 10 is opened on the top of the sampling chamber 9. The bottoms of the four water inlet holes 10 are all provided with sealing mechanisms. Four drainage pipes 15 are plugged and fixed to the outer wall of the shell 1, and a pipe valve is provided on the drainage pipe 15. A transmission chamber 23 is provided near the bottom of the shell 1. A cleaning pump 18 is installed near the middle position on the shell 1. The top of the cleaning pump 18 is connected with a six-way joint 20, and the top of the six-way joint 20 is plugged and fixed with A liquid delivery pipe 21, the top of which extends to the inner cavity of the water pumping chamber 2, a connecting pipe 22 is fixedly connected to the four outer sides of the six-way joint 20, and the other end of the connecting pipe 22 extends to the inner cavity of the adjacent sampling chamber 9, a cleaning liquid tank 16 and a clear water tank 17 are provided near the bottom of the shell 1, and liquid extraction pipes 19 are connected to the left and right sides of the cleaning pump 18, the other end of the liquid extraction pipe 19 on the left extends to the inner cavity of the cleaning liquid tank 16 near the bottom, and the other end of the liquid extraction pipe 19 on the right extends to the inner cavity of the clear water tank 17 near the bottom, and a drive motor 24 is fixedly installed at the middle position of the inner cavity bottom of the transmission chamber 23, and the power output of the drive motor 24 A transmission bevel gear 25 is fixedly connected to the end, four driven bevel gears 26 are meshed on the top of the transmission bevel gear 25, and a worm 27 is fixedly connected to the center of the other side of the four driven bevel gears 26, and the other ends of the four worms 27 are rotatably connected to the inner wall of the transmission cavity 23, and a second sealed bearing is fixedly installed on the bottom of the inner cavity of the four sampling cavities 9, and a rotating shaft 29 is rotatably connected to the inner cavity of the second sealed bearing, and a plurality of stirring blades 30 are fixedly connected to the top of the four rotating shafts 29, and a worm wheel 28 is fixedly connected to the bottom of the four rotating shafts 29, and the four worm wheels 28 are respectively meshed with adjacent worms 27, so that the sampling cavity 9 can be fully cleaned.

[0026] The sealing mechanism includes a baffle 11, and the baffle 11 is fitted at the bottom of the water inlet hole 10. A vertical rod 12 is fixedly connected to the top of the baffle 11. A first through hole matching the vertical rod 12 is opened at the bottom of the inner cavity of the pumping chamber 2. A second through hole matching the vertical rod 12 is opened at the top of the shell 1. The top of the vertical rod 12 passes through the first through hole and the second through hole inner cavity, and is fixedly connected to a pressure plate 13. A first spring 14 is sleeved on the outer side of the vertical rod 12, and the two ends of the first spring 14 are fixedly connected to the pressure plate 13 and the shell 1 respectively. Two sealing rings arranged up and down are sleeved on the outer side of the vertical rod 12, and the sealing ring is fixedly connected to the inner wall of the pumping chamber 2.

[0027] The limiting mechanism includes a driven gear 31, and the driven gear 31 is sleeved and fixed on the outside of the hollow tube 5. A transmission gear 32 is meshed on the right side of the driven gear 31, and a rotating rod 33 is fixed at the center of the upper circle of the transmission gear 32. The bottom end of the rotating rod 33 is rotatably connected to the top of the shell 1, and the top of the rotating rod 33 is fixedly connected to a hand-cranked wheel 34. A limiting ring 35 is sleeved and fixed on the outer side of the rotating rod 33 near the bottom end, and four blind holes are evenly opened on the outer side wall of the limiting ring 35. A fixing plate is provided on the right side of the limiting ring 35, and the fixing plate is fixedly connected to the shell 1. A through hole is opened on the fixing plate, and a T-shaped rod 36 is penetrated through the inner cavity of the through hole. The left end of the T-shaped rod 36 is inserted into one of the blind hole cavities. A second spring 37 is sleeved on the outer side of the T-shaped rod 36, and the two ends of the second spring 37 are respectively fixedly connected to the fixing plate and the T-shaped rod 36.

[0028] Working principle: When the utility model is in use, the sampling ball 8 is placed into the water sample to be pumped through the water suction hose 7, and then, one of the pressure plates 13 is pressed to overcome the resistance of the first spring 14 and move downward and drive the vertical rod 12 to move downward, and the vertical rod 12 moves downward to drive the baffle 11 away from the water inlet hole 10, so that when the water pump 3 is turned on, the water can be transported into the sampling chamber 9 along the water suction hose 7 and the delivery pipe 4. When multiple sampling chambers 9 need to be used, the T-shaped rod 36 can be pulled to overcome the resistance of the second spring 37 and move to the right, and the T-shaped rod 36 can be pulled out of the blind hole cavity, and then, when the hand-cranked wheel 34 is turned, the rotating rod 33 can be driven to rotate, and the rotation of the rotating rod 33 drives the transmission gear 32 to rotate, and the rotation of the transmission gear 32 drives the driven gear 31 to rotate, and the rotation of the driven gear 31 drives the hollow tube 5 to rotate, and the rotation of the hollow tube 5 drives the water pump 3 to rotate, so that The driving conveying pipe 4 rotates and rotates it to above the water inlet 10 on the other side. After repeating the above operation, the device can store multiple water samples at the same time, thereby improving the practicality of the device. When the device needs to be cleaned after use, the cleaning pump 18 can be started to pump the cleaning liquid and clean water into the sampling chamber 9 and the water pumping chamber 2. Then, the driving motor 24 is started to drive the transmission bevel gear 25 to rotate. The rotation of the transmission bevel gear 25 drives the four driven bevel gears 26 to rotate. The rotation of the driven bevel gear 26 drives the worm 27 to rotate. The rotation of the worm 27 drives the worm wheel 28 to rotate. The rotation of the worm wheel 28 drives the rotating shaft 29 to rotate. The rotation of the rotating shaft 29 drives several stirring blades 30 to rotate, so that the sampling chamber 9 can be fully cleaned. When the water pump 3 is started to discharge the cleaning liquid and clean water from the sampling ball 8, the conveying pipe 4, the water pumping hose 7 and the sampling ball 8 can be cleaned.

[0029] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A sampling device for water sample detection, comprising a housing (1), characterized in that: A water pumping chamber (2) is provided near the top of the housing (1), and a water pump (3) is provided near the top of the inner cavity of the water pumping chamber (2). A hollow tube (5) is fixedly connected to the top of the water pump (3). A first sealed bearing is fixedly connected to the top of the housing (1), and the top of the hollow tube (5) passes through the inner cavity of the first sealed bearing and extends to the top of the housing (1). A limiting mechanism is provided on the outside of the hollow tube (5). A water pumping hose (7) is connected to the top of the water pump (3). An L-shaped plate (6) is fixedly connected to the left side of the housing (1) near the top, and the L-shaped plate (6) is opened. A through hole is provided, the other end of the water suction hose (7) passes through the hollow tube (5) and the inner cavity of the through hole and is fixedly connected to a sampling ball (8), the bottom of the water pump (3) is connected to a delivery pipe (4), four sampling cavities (9) are evenly arranged near the middle of the shell (1), and a water inlet hole (10) is opened at the top of the sampling cavity (9), and a sealing mechanism is provided at the bottom of the four water inlet holes (10), four drainage pipes (15) are plugged and fixed to the outer wall of the shell (1), and a pipe valve is provided on the drainage pipe (15), and a transmission chamber (23) is provided near the bottom of the shell (1).

2. A sampling device for water sample detection as claimed in claim 1, characterized in that: A cleaning pump (18) is installed near the middle of the shell (1), the top of the cleaning pump (18) is connected to a six-way joint (20), and a liquid delivery pipe (21) is plugged and fixed to the top of the six-way joint (20), the top of the liquid delivery pipe (21) extends to the inner cavity of the water pumping chamber (2), and connecting pipes (22) are plugged and fixed to the four outer sides of the six-way joint (20), and the other end of the connecting pipe (22) extends to the inner cavity of the adjacent sampling chamber (9). A cleaning liquid tank (16) and a clear water tank (17) are provided near the bottom of the shell (1), and the left and right sides of the cleaning pump (18) are connected to liquid extraction pipes (19), the other end of the liquid extraction pipe (19) on the left side extends to the inner cavity of the cleaning liquid tank (16) near the bottom, and the other end of the liquid extraction pipe (19) on the right side extends to the inner cavity of the clear water tank (17) near the bottom.

3. A sampling device for water sample detection as claimed in claim 1, characterized in that: Handles (38) are welded to both the front and rear sides of the shell (1), and the handles (38) are made of stainless steel.

4. A sampling device for water sample detection as claimed in claim 1, characterized in that: The sealing mechanism comprises a baffle (11), and the baffle (11) is fitted on the bottom of the water inlet hole (10), the top of the baffle (11) is fixedly connected to a vertical rod (12), the bottom of the inner cavity of the water pumping cavity (2) is provided with a first through hole matching the vertical rod (12), the top of the shell (1) is provided with a second through hole matching the vertical rod (12), the top of the vertical rod (12) passes through the first through hole and the second through hole, and is fixedly connected to a pressure plate (13), the outer side of the vertical rod (12) is sleeved with a first spring (14), and the two ends of the first spring (14) are respectively fixedly connected to the pressure plate (13) and the shell (1).

5. A sampling device for water sample detection as claimed in claim 4, characterized in that: The outer side of the vertical rod (12) is sleeved with two sealing rings arranged up and down, and the sealing rings are fixedly connected to the inner side wall of the water pumping chamber (2).

6. A sampling device for water sample detection as claimed in claim 1, characterized in that: A driving motor (24) is fixedly mounted at a middle position of the bottom of the inner cavity of the transmission cavity (23), and a driving bevel gear (25) is fixedly connected to the power output end of the driving motor (24), four driven bevel gears (26) are meshed at the top of the driving bevel gear (25), and a worm (27) is fixedly connected at the center of the other side of the four driven bevel gears (26), and the other ends of the four worms (27) are rotatably connected to the inner wall of the transmission cavity (23), a second sealed bearing is fixedly mounted at the bottom of the inner cavity of the four sampling cavities (9), and a rotating shaft (29) is rotatably connected to the inner cavity of the second sealed bearing, a plurality of stirring blades (30) are fixedly connected to the top of the four rotating shafts (29), and a worm wheel (28) is fixedly connected to the bottom of the four rotating shafts (29), and the four worm wheels (28) are respectively meshed with adjacent worm wheels (27).

7. A sampling device for water sample detection as claimed in claim 1, characterized in that: The limiting mechanism comprises a driven gear (31), and the driven gear (31) is sleeved and fixed on the outside of the hollow tube (5), a transmission gear (32) is meshed on the right side of the driven gear (31), and a rotating rod (33) is fixedly passed through the center of the upper circle of the transmission gear (32), the bottom end of the rotating rod (33) is rotatably connected to the top of the housing (1), and the top end of the rotating rod (33) is fixedly connected to a hand-cranked wheel (34), and a limiting ring (35) is sleeved and fixedly connected to the outside of the rotating rod (33) near the bottom end. ), and the outer wall of the limiting ring (35) is evenly provided with four blind holes, a fixing plate is provided on the right side of the limiting ring (35), and the fixing plate is fixedly connected to the housing (1), a through hole is provided on the fixing plate, and a T-shaped rod (36) is penetrated through the inner cavity of the through hole, the left end of the T-shaped rod (36) is inserted into the inner cavity of one of the blind holes, a second spring (37) is sleeved on the outer side of the T-shaped rod (36), and the two ends of the second spring (37) are respectively fixedly connected to the fixing plate and the T-shaped rod (36).

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