Water quality sampling device

Abstract

The utility model discloses a water quality sampling device which comprises a plurality of outer sleeves and a connecting rod for connecting two vertically adjacent outer sleeves, a sampling barrel is arranged in each outer sleeve, a water inlet is formed in the side face of each sampling barrel, a one-way plate capable of being connected in a sealed mode is arranged on the side face of each sampling barrel, and a sampling opening is formed in the position, close to the water inlet, of each outer sleeve; the connecting rod comprises a center rod and two threaded sleeves slidably connected to the two ends of the center rod respectively, external threads are arranged on the outer walls of the threaded sleeves, and threaded grooves matched with the external threads are formed in the inner walls of the two ends of the outer sleeve. The device has the beneficial effects that through flexible assembly of all the components, sampling personnel can adjust the installation number of the components according to requirements, so that large-quantity sampling is realized; and the device can also be used for hermetically storing the sampled sample and is convenient to transport.

Description

Technical Field

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

[0002] If wastewater is not treated in a timely and effective manner or is discharged at will, it will cause serious damage to the soil and water sources. Industrial or domestic wastewater must be purified or discharged in accordance with standards. After industrial or domestic wastewater is purified, the water quality needs to be tested and verified. In some cases, water quality samples will be divided into multiple parts and sent to different places for testing. However, most of the existing water quality sampling devices are difficult to flexibly change the sampling quantity according to needs due to the one-piece sampling method. In addition, most of the existing sampling devices are stored in an open manner, which is not convenient for storage and transportation. Utility Model Content

[0003] In order to overcome the problems that most existing water quality sampling devices are in an integrated sampling mode, it is difficult to flexibly change the sampling quantity according to demand, and most existing sampling devices are open for storage, which is inconvenient for storage and transportation, the present utility model provides a water quality sampling device. The technical solution is as follows:

[0004] A water quality sampling device comprises a plurality of outer sleeves and a connecting rod connecting two of the upper and lower adjacent outer sleeves, wherein a sampling sleeve is arranged inside the outer sleeve, a water inlet is arranged on the side of the sampling sleeve and a one-way plate capable of closed connection is provided, and a sampling port is arranged near the water inlet of the outer sleeve; the connecting rod comprises a center rod and two threaded sleeves respectively slidably connected to the two ends of the center rod, an external thread is arranged on the outer wall of the threaded sleeve, and thread grooves matching the external thread are arranged on the inner walls at both ends of the outer sleeve.

[0005] Furthermore, a torsion spring is provided at one end of the one-way plate, and the one-way plate is adapted to the sampling port. The one-way plate can only be opened toward the inside of the sampling tube, and the force of the torsion spring can enable the one-way plate to be opened under the pressure of water, so that water automatically enters the sampling tube. In addition, when the operating device is sampling, the device can be shaken horizontally to increase the pressure of water on the one-way plate to assist in opening the one-way plate; after sampling, the water in the sampling tube squeezes the one-way plate to close the water inlet, and under the action of the torsion spring, the closed state of the one-way plate is made more stable, so that the sampling tube can be kept airtight for easy transportation.

[0006] Furthermore, a liquid outlet and a sealing cover are provided at the top of the sampling tube to facilitate taking out the water in the sampling tube.

[0007] Furthermore, a baffle is fixed inside the outer sleeve, and the sampling tube is placed on the baffle, which can limit the position of the sampling tube so that the water inlet and the sampling port are aligned in the longitudinal direction.

[0008] Furthermore, the baffle is provided with a through hole, and a thin rod can be inserted into the through hole to push the sampling tube out of the outer sleeve.

[0009] Furthermore, a slide groove is provided on the outer wall of the center rod, a fixed block is fixed on the inner wall of the threaded sleeve, the fixed block is slidably connected to the slide groove, and a damping layer is coated on the surface of the slide groove, so that the device can adjust the spacing between adjacent sampling tubes above and below.

[0010] Furthermore, a waterproof and anti-corrosion tape is adhered to the surface of the outer sleeve.

[0011] Furthermore, a guide groove is axially arranged on the inner wall of the outer sleeve, a limit block matching the guide groove is fixed on the outer wall of the sampling tube, and the limit block is slidably connected to the guide groove.

[0012] The beneficial effects of the technical solution provided by the embodiment of the utility model are: the device can flexibly assemble various components, so that sampling personnel can adjust the number of installed components according to needs, thereby achieving multiple sampling; the device can also store sampled samples in a sealed manner for easy transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the following is a brief introduction to the drawings used in the embodiments. Obviously, the drawings listed below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0014] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0015] Figure 2 It is a schematic diagram of the internal structure of an embodiment of the utility model;

[0016] Figure 3 This is a schematic diagram of the internal structure of the outer sleeve in the embodiment of the utility model;

[0017] Figure 4 It is a structural schematic diagram of a connecting rod in an embodiment of the utility model.

[0018] In the accompanying drawings, the list of components represented by each number is as follows: 1. baffle; 2. connecting rod; 201. center rod; 202. threaded sleeve; 203. slide groove; 204. fixed block; 3. thread groove; 4. external thread; 5. sampling tube; 501. tube wall; 502. one-way plate; 6. sampling port; 7. damping layer; 8. waterproof and anti-corrosion tape. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0020] See also Figures 1 to 4 The embodiment of the utility model provides a water quality sampling device, including a water quality sampling device, including a plurality of outer sleeves 1 and a connecting rod 2 connecting two upper and lower adjacent outer sleeves 1, a sampling cylinder 5 is arranged inside the outer sleeve 1, a water inlet is arranged on the side of the sampling cylinder 5 and a one-way plate 502 capable of sealing and connecting is provided, and a sampling port 6 is arranged near the water inlet of the outer sleeve 1;

[0021] The connecting rod 2 includes a center rod 201 and two threaded sleeves 202 slidably connected to the two ends of the center rod 201 , the threaded sleeve 202 is provided with an external thread 4 on its outer wall, and the inner walls at both ends of the outer sleeve 1 are provided with thread grooves 3 matching the external thread 4 .

[0022] A torsion spring is provided at one end of the one-way plate 502, and the one-way plate 502 is adapted to the sampling port 6. The one-way plate opens toward the inside of the sampling tube, and the force of the torsion spring can enable the one-way plate to open under the pressure of water, so that water automatically enters the sampling tube. In addition, when the operating device is sampling, the device can be shaken horizontally to increase the pressure of water on the one-way plate to assist in opening the one-way plate.

[0023] A liquid outlet and a sealing cover are provided at the top of the sampling tube 5; a baffle 101 is fixed inside the outer sleeve 1, the sampling tube 5 is placed on the baffle 101, and a waterproof and anti-corrosion tape 8 is pasted on the surface of the outer sleeve 1; a guide groove is axially provided on the inner wall of the outer sleeve 1, and a limit block matching the guide groove is fixed on the outer wall of the sampling tube 5, and the limit block is slidably connected to the guide groove.

[0024] The baffle 101 is provided with a through hole.

[0025] A slide groove 203 is provided on the outer wall of the center rod 201 , a fixing block 204 is fixed on the inner wall of the threaded sleeve 202 , the fixing block 204 is slidably connected to the slide groove 203 , and a damping layer 7 is coated on the surface of the slide groove 203 .

[0026] Instructions for use: When using the device, align the limit block on the sampling tube 5 with the guide groove on the inner wall of the outer sleeve 1 and insert it, so that the sampling tube 5 is placed in the outer sleeve 1. According to the number of samples to be sampled, several sampling tubes 5 are placed in the outer sleeve 1, and all the outer sleeves 1 are connected with the connecting rod 2, wherein the sampling tube 5 is placed on the baffle 101 for limiting so that the water inlet is aligned with the sampling port 6; after the device is connected, put it into water, and under the pressure of the water, the one-way plate 502 opens the water inlet, so as to sample. At this time, the device can also be shaken horizontally to increase the pressure of the water on the one-way plate 502, so that it is easier to open the one-way plate 502 for sampling;

[0027] After sampling is completed, the device is taken out of the water. Under the action of the torsion spring, the one-way plate 502 is closed, and under the outward pressure of the water, the one-way plate 502 is closed more tightly, which is convenient for transportation; wherein, the sampling tube 5 can be pushed out from the upper opening by inserting a thin rod into the through hole on the baffle 101, and then the sealing cover is opened to pour out the water sample.

[0028] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A water quality sampling device, characterized in that: The invention comprises a plurality of outer sleeves (1) and a connecting rod (2) connecting two of the upper and lower adjacent outer sleeves (1); a sampling sleeve (5) is arranged inside the outer sleeve (1); a water inlet is arranged on the side of the sampling sleeve (5) and a one-way plate (502) capable of being closed and connected is provided; a sampling port (6) is arranged at a position of the outer sleeve (1) close to the water inlet; The connecting rod (2) comprises a central rod (201) and two threaded sleeves (202) respectively slidably connected to the two ends of the central rod (201); an external thread (4) is provided on the outer wall of the threaded sleeve (202); and thread grooves (3) matching the external thread (4) are provided on the inner walls of the two ends of the outer sleeve (1).

2. The water quality sampling device according to claim 1, characterized in that: A torsion spring is provided at one end of the one-way plate (502), and the one-way plate (502) is adapted to the sampling port (6).

3. The water quality sampling device according to claim 2, characterized in that: The top of the sampling tube (5) is provided with a liquid outlet and a sealing cover.

4. The water quality sampling device according to claim 3, characterized in that: A baffle (101) is fixed inside the outer sleeve (1), and the sampling tube (5) is placed on the baffle (101).

5. The water quality sampling device according to claim 4, characterized in that: The baffle (101) is provided with a through hole.

6. The water quality sampling device according to claim 5, characterized in that: A sliding groove (203) is provided on the outer wall of the central rod (201), a fixing block (204) is fixed on the inner wall of the threaded sleeve (202), the fixing block (204) is slidably connected to the sliding groove (203), and a damping layer (7) is coated on the surface of the sliding groove (203).

7. The water quality sampling device according to claim 6, characterized in that: A waterproof and anti-corrosion tape (8) is adhered to the surface of the outer sleeve (1).

8. The water quality sampling device according to claim 7, characterized in that: A guide groove is axially arranged on the inner wall of the outer sleeve (1), and a limit block matching the guide groove is fixed on the outer wall of the sampling tube (5), and the limit block is slidably connected to the guide groove.

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